Complete repair service manual with electrical wiring diagrams for Bobcat 335, 337, 341, X337, X341 Excavators, with all the shop information to maintain, diagnose, repair, rebuild like professional mechanics.

Bobcat Excavators 335, 337, 341, X337, X341 workshop service repair manual includes:
* Numbered table of contents easy to use so that you can find the information you need fast.
* Detailed sub-steps expand on repair procedure information
* Numbered instructions guide you through every repair procedure step by step.
* Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use.
* Notes, cautions and warnings throughout each chapter pinpoint critical information.
* Bold figure number help you quickly match illustrations with instructions.
* Detailed illustrations, drawings and photos guide you through every procedure.
* Enlarged inset helps you identify and examine parts in detail.

6900380 (6–12) - X 337, X 341 Excavator Service Manual.pdf
6900380 (10–97) - X 337, X 341 Excavator Service Manual.pdf
6900662 (1-00) - X 337, X 341 Excavator Operation & Maintenance Manual.pdf
6901022 (6-03) - 337, 341 Operation & Maintenance Manual.pdf
6901080 (4-07) - 337, 341 Service Manual.pdf
6901080 (6-12) - 337, 341 Service Manual.pdf
6902614 (2-04) - 337, 341 Operation & Maintenance Manual.pdf
6902741 (6-12) - 337, 341 Service Manual.pdf
6902741 (11-07) - 337, 341 Service Manual.pdf
6902741 (11-09) - 337, 341 Service Manual.pdf
6903162 (1-07) - 337, 341 Compact Excavator Operation & Maintenance Manual.pdf
6904774 (7-07) - 335 Compact Excavator Operation & Maintenance Manual.pdf
6904775 (10-09) - 335 Compact Excavator Service Manual.pdf
6986745 (5-08) - 337, 341 Compact Excavator Operation & Maintenance Manual.pdf
6986746 (5-10) - 337, 341 Compact Excavator Service Manual.pdf
6986746 (10-11) - 337, 341 Compact Excavator Service Manual.pdf
6986948 (10-09) - 335 Compact Excavator Operation & Maintenance Manual.pdf
6986949 (5-10) - 335 Compact Excavator Service Manual.pdf

Total Pages: 5,543
File Format: PDF (bookmarked, Searchable, Printable, high quality)
Language: English

MAIN SECTIONS

6900380 (10–97) - X 337, X 341 Excavator Service Manual...1
  MAINTENANCE SAFETY...3
  ALPHABETICAL INDEX...5
  CONTENTS...7
    FOREWORD...9
    SAFETY INSTRUCTIONS...11
    SERIAL NUMBER LOCATIONS...13
    HYDRAULIC EXCAVATOR SERIAL NUMBER...13
    ENGINE SERIAL NUMBER...13
    DELIVERY REPORT...13
    HYDRAULIC EXCAVATOR IDENTIFICATION...14
  PREVENTIVE MAINTENANCE...15
    SERVICE SCHEDULE...17
    LIFTING AND BLOCKING THE EXCAVATOR...18
      Procedure...18
    TRANSPORTING THE HYDRAULIC EXCAVATOR...19
      Procedure...19
    ENGINE COVER...20
      Opening The Engine Cover...20
      Adjusting The Engine Cover Latches...20
    AIR CLEANER...21
      Air Cleaner Service...21
    FUEL SYSTEM...22
      Fuel Specifications...22
      Filling The Fuel Tank...22
      Fuel System Maintenance...22
      Fuel Filter Service...23
      Removing Air From The Fuel System...23
    ENGINE LUBRICATION SYSTEM...24
      Checking Engine Oil...24
      Replacing Oil And Filter...24
    COOLING SYSTEM...25
      Coolant Level...25
      Replacing Coolant...25
      Propylene Glycol (Factory Installed)...25
    ALTERNATOR BELT...26
      Adjustment...26
    HYDRAULIC SYSTEM...27
      Checking And Adding Fluid...27
      Replacing The Hydraulic Fluid...28
      Replacing the Hydraulic Filter...29
      Replacing The Case Drain Filter...30
    SPARK ARRESTOR MUFFLER (If Equipped)...31
      Cleaning Procedure...31
    TRAVEL MOTOR...32
      Checking Oil Level...32
      Draining And Refilling...32
    LUBRICATION OF THE HYDRAULIC EXCAVATOR...33
      Procedure...33
    HEATER AIR FILTER (With Cab Option Only)...36
      Cleaning Procedure...36
  HYDRAULIC SECTION...37
    HYDRAULIC SCHEMATICS...41
    HYDRAULIC SYSTEM TROUBLESHOOTING...46
    HYDRAULIC SERVICE INFORMATION...51
      Description...51
    HYDRAULIC PUMPS...53
      Testing The Hydraulic Gear Pump...53
      Testing The Pump Stand By Circuit...55
      Adjusting The Pump Stand By Circuit...55
      Testing The Torque Limiter Load Sense Circuit...56
      Testing The Pump Compensator...57
      Adjusting The Pump Compensator...57
      Testing The Torque Limiter For Pressure At Maximum Flow...58
      Testing The Torque Limiter For Flow At Maximum Pressure...61
    HYDRAULIC PISTON PUMP...62
      Removal And Installation...62
      Coupler Removal And Installation...63
      Torque Limiter Valve Parts Identification...64
      Torque Limiter Valve Removal...65
      Torque Limiter Valve Disassembly...66
      Torque Limiter Valve Assembly...69
      Initial Torque Limiter Valve Setting...71
      Torque Limiter Valve Installation...72
      Parts Identification...73
      Disassembly...74
      Assembly...81
      Pump Control Parts Identification...89
      Pump Control Removal And Installation...90
      Pump Control Disassembly...90
      Pump Control Assembly...91
    HYDRAULIC GEAR PUMP (S/N 515411001 –515412249 and 230611001 – 230611067)...93
      Parts Identification...93
      Disassembly...94
      Assembly...96
    HYDRAULIC GEAR PUMP...98
      (S/N 515412250 & Above and 230611068 & Above)...98
      Parts Identification...98
      Disassembly...99
      Assembly...101
    MAIN RELIEF VALVES...104
      Pressure Setting And Adjustment...104
      Pressure Setting And Adjustment (3900 PSI)...105
      Load Sense Relief Valve Setting (3450 PSI) (If Equipped)...105
      Removal and Installation...106
    PORT RELIEF VALVES...107
      Port Relief Valve Pressure Setting...107
      Parts Identification...107
      Adjustment Procedure...108
    HYDRAULIC CONTROL VALVE...109
      Removal And Installation...109
      Mid–Inlet Isolator Spool...112
      Control Valve Identification...113
      Disassembly and Assembly...114
      Swing and Second Auxiliary Valve Section...120
      Blade Valve Section...122
      Mid–Inlet Valve Section...123
      Load Sense Relief Valve Parts Identification...123
      Boom Swing and Travel Valve Sections...124
      Bucket, Arm, Boom and Auxiliary Valve Sections...126
    PRESSURE REDUCING VALVE (With Accumulator)...128
      Description...128
      Removal And Installation...128
    PRESSURE REDUCING VALVE (Without Accumulator)...130
      Description...130
      Removal And Installation...130
      Parts Identification...131
      Disassembly...132
      Assembly...134
      Testing...136
      Testing (S/N 515411497 – 515412054 & 2306 11001–230611203)...137
      Testing (S/N 515411496 & Below)...138
    PRESSURE REDUCING VALVE (With and WithoutAccumulator) (S/N 515412053 & Above and 230611204 & Above)...139
      Parts Identification...139
      Disassembly...140
      Assembly...142
      Testing...144
      Testing (With Accumulator)...145
      Testing (Without Accumulator)...145
    DUAL SEQUENCE VALVE...146
      Removal and Installation...146
      Disassembly and Assembly...146
    AUXILIARY HYDRAULIC VALVE...147
      Description...147
      Removal And Installation...147
      Foot Pedal Disassembly and Assembly (Later Model)...149
      Foot Pedal Disassembly and Assembly (Early Model)...151
      Disassembly...152
      Assembly...154
    BOOM SWING LOCK VALVE...156
      Description...156
      Removal And Installation...156
      Parts Identification...156
      Disassembly...157
      Assembly...159
    OIL COOLER...164
      Removal And Installation...164
    HYDRAULIC RESERVOIR...165
      Removal And Installation...165
    LIFTING CLAMP CYLINDER (If Equipped)...167
      Removal And Installation...167
    BOOM CYLINDER...168
      Removal And Installation...168
      Parts Identification...170
    ARM CYLINDER...171
      Removal And Installation...171
      Parts Identification...172
    BUCKET CYLINDER...173
      Removal And Installation...173
      Parts Identification...174
    BLADE CYLINDER...175
      Removal And Installation...175
      Parts Identification...176
    BOOM SWING CYLINDER...177
      Removal And Installation...177
      Parts Identification...178
    HYDRAULIC CYLINDER...179
      Disassembly...179
      Assembly...181
    JOYSTICK CONTROL CHANGE...186
      ISO/Standard Control Pattern...186
    CONTROL PATTERN SELECTOR VALVE...187
      Disassembly...187
      Assembly...188
    AUXILIARY SELECTOR VALVE...189
      Description...189
      Removal And Installation...189
      Disassembly And Assembly...190
  DRIVE SECTION...192
    RIGHT CONSOLE COVER...194
      Removal And Installation...194
      Arm Rest Removal And Installation...195
      Gauge Removal And Installation...195
    RIGHT CONSOLE...196
      Swing Lock Lever Removal And Installation...196
      Blade Lever Removal And Installation...198
      Speed Control Lever Removal And Installation...199
      Speed Control Lever Adjustment...201
    LEFT CONSOLE COVER...202
      Removal And Installation...202
      Arm Rest Removal And Installation...203
      Switch Removal And Installation...203
      Rear Cover Removal And Installation...204
      Heater Control Removal And Installation...204
    LEFT CONSOLE...205
      Console And Mount Removal And Installation...205
      Control Lock Micro–switch Removal And Installation...206
      Lock Lever Removal And Installation...207
      Gas Spring Removal And Installation...209
      Console Removal And Installation...210
    JOYSTICK...212
      Removal And Installation Of Right Hand Joystick...212
      Removal And Installation Of Left Hand Joystick...212
      Parts Identification...213
      Disassembly...214
      Assembly...218
      Troubleshooting...224
    STEERING LEVERS AND PEDALS...225
      Removal And Installation...225
      Adjusting The Linkage Cables...226
      Disassembly And Assembly...226
    AUXILIARY HYDRAULIC VALVE...227
      Removal And Installation...227
  UPPER WORKS AND SWING SECTION...228
    ENGINE COVER...230
      Removal And Installation...230
    SEAT AND SEAT MOUNT...232
      Removal And Installation...232
    FLOORMAT AND FLOOR PLATE...233
      Removal And Installation...233
    REAR FLOOR PLATE...234
      Removal And Installation...234
    LEFT SIDE COVER...235
      Removal And Installation...235
    RIGHT SIDE COVER...235
      Removal And Installation...235
    RIGHT CORNER POST...236
      Removal And Installation...236
    LEFT CORNER POST...236
      Removal And Installation...236
    RIGHT COUNTERWEIGHT...237
      Removal And Installation...237
    LEFT COUNTERWEIGHT...238
      Removal And Installation...238
    BATTERY BOX...240
      Removal And Installation...240
    FUEL TANK...241
      Removal And Installation...241
    BUCKET TEETH...243
      Removal And Installation...243
    X–CHANGE™...244
      Removal And Installation...244
    ARM...245
      Removal And Installation...245
    BOOM...246
      Removal And Installation...246
    BOOM SWING BRACKET...247
      Removal And Installation...247
      Hose Installation...251
    SWING BRACKET BUSHING...252
      Bushing Removal...252
      Bushing Installation...252
    SWING MOTOR (S/N 515411496 & Below)...253
      Removal And Installation...253
      Parts Identification...255
      Disassembly...256
      Inspection...259
      Assembly...260
    SWING MOTOR DRIVE CARRIER (S/N 515411496 &Below)...264
      Removal And Installation...264
      Parts Identification...266
      Disassembly...267
      Assembly...268
    SWING MOTOR/BRAKE ASSEMBLY (S/N 515411497& Above)...270
      Removal And Installation...270
    SWING MOTOR/BRAKE ASSEMBLY (S/N 515411497& Above)...273
      Disassembly...273
      Inspection...277
      Assembly...278
    SWING MOTOR DRIVE CARRIER (S/N 515411497 &Above)...283
      Removal And Installation...283
      Parts Identification...284
      Checking The Drive Carrier Shaft End Play...285
      Inspection...287
      Assembly...288
    FRONT ENGINE COVER...291
      Removal And Installation...291
    UPPERSTRUCTURE AND SWING CIRCLE GEAR...294
      Removal And Installation...294
      Swing Bearing Removal...295
      Swing Bearing Installation...296
      Upperstructure Installation...299
    CENTER SWIVEL JOINT...300
      Removal And Installation...300
      Parts Identification...301
    ROPS CANOPY...302
      Removal And Installation...302
    CAB...303
      Removal And Installation...303
      Heater Removal And Installation...305
      Heater Disassembly And Assembly...307
      Front Window Removal And Installation...309
      Front Lower Window Removal And Installation...310
      Front Upper Window Removal And Installation...310
      Door Removal And Installation...310
      Door Window Removal And Installation...311
      Left Hand Side Window Removal And Installation...311
      Right Hand Side Window Removal And Installation...312
      Right Hand Window Assembly Removal AndInstallation...313
      Rear Window Removal And Installation...313
    CAB/CANOPY REAR COVER...314
      Removal...314
      Installation...314
  MAIN FRAME AND TRACKS...316
    BLADE...318
      Removal And Installation...318
    TRACK...318
      Track Lug Height...318
      Rubber Track Clearance...319
      Rubber Track Adjustment...320
      Steel Track Clearance...321
      Steel Track Adjustment...322
      Rubber Track Removal And Installation...323
      Steel Track Removal...325
      Steel Track Installation...326
      Track Shoe Removal And Installation...328
    TRACK FRAME...329
      Disassembly And Assembly...329
    TRACK IDLER...332
      Parts Identification...332
      Disassembly...333
      Assembly...335
    TRACK ROLLER...339
      Parts Identification...339
      Disassembly...340
      Assembly...342
    TRAVEL MOTOR...346
      Testing (Case Drain)...346
      Removal And Installation...347
      Parts Identification...348
      Disassembly...349
      Assembly...358
    TRACK DAMAGE IDENTIFICATION...369
      Cutting Of Steel Cords...369
      Abrasion Of Embedded Metals...370
      Separation Of Embedded Metals...371
      Separation Of Embedded Metals Due To Corrosion...372
      Cuts On The Lug Side Rubber...373
      Cracks On The Lug Side Rubber Due To Fatigue...374
      Lug Abrasion...375
      Cracks And Cuts On The Lug Side Rubber...375
      Abrasion Of The Track Roller Side...376
      Cuts On The Edges Of Track Roller Side...377
  ELECTRICAL SYSTEM...378
    ELECTRICAL SCHEMATICS...380
    ELECTRICAL SYSTEM...381
      Description...381
      Troubleshooting...381
      Electrical Relays And Diodes...382
      Fuses...382
      Electrical System Service...383
      Using A Booster Battery (Jump Starting)...383
    BATTERY...384
      Removal And Installation...384
      Servicing The Battery...385
    ALTERNATOR...386
      Belt Adjustment...386
      Removal And Installation...387
      Parts Identification...387
      Disassembly And Inspection...387
      Stator Continuity Test...388
      Stator Ground Test...388
      Rotor Continuity Test...388
      Rotor Ground Test...388
      Rectifier Continuity (Diode) Test...389
      Assembly...389
    STARTER...390
      Removal And Installation...390
      Parts Identification...391
      Disassembly...392
      Inspection And Repair...397
      Assembly...400
    FUEL LEVEL SENDER...405
      Removal And Installation...405
      Testing And Inspection...405
    GAUGES...407
      Removal And Installation...407
      Bulb Replacement...407
    TWO SPEED SWITCH...408
      Removal And Installation...408
    HORN...408
      Removal And Installation...408
    BUZZER...408
      Removal And Installation...408
    TIMER...409
      Removal And Installation...409
    DIODES...409
      Diode Location...409
      Diode Replacement...410
      Diode Testing...410
    CAB ELECTRICAL...410
      Cab Option...410
    TWO SPEED SWITCH...411
      Removal and Installation (Later Models)...411
      Removal and Installation (Early Models)...412
  ENGINE SERVICE...413
    TROUBLESHOOTING...415
      Chart...415
    VALVE CLEARANCE...416
      Adjustment...416
    ENGINE COMPRESSION...416
      Checking...416
    GLOW PLUGS...417
      Removal And Installation...417
      Checking The Glow Plug...417
    FUEL SHUT–OFF SOLENOID...418
      Adjustment...418
      Removal And Installation...418
      Timer Module Removal And Installation...418
    FUEL INJECTION PUMP...419
      Checking The Injection Pump...419
      Removal And Installation...419
      Timing The Injection Pump...421
    FUEL INJECTOR NOZZLES...422
      Removal And Installation...422
      Checking The Injector Nozzle...423
    FAN GUARD...424
      Removal And Installation...424
    RADIATOR...425
      Removal And Installation...425
    MUFFLER...426
      Removal And Installation...426
    AIR CLEANER...427
      Removal And Installation...427
      Air Cleaner Mount Removal And Installation...427
    ENGINE...428
      Removal And Installation...428
    ENGINE FLYWHEEL...432
      Removal And Installation...432
      Flywheel Ring Gear...433
    CYLINDER HEAD...434
      Removal And Installation...434
      Disassembly And Assembly...435
      Servicing The Cylinder Head...436
      Top Clearance...436
    VALVE, VALVE SEAT AND GUIDE...437
      Checking The Valve Guide...437
      Reconditioning The Valve And Valve Seat...438
      Valve Spring...439
    ROCKER ARM AND SHAFT...440
      Checking...440
    TIMING GEARCASE COVER...441
      Removal And Installation...441
    IDLER GEAR AND CAMSHAFT...443
      Removal And Installation...443
      Servicing The Camshaft...444
      Servicing The Idler Gear And Shaft...445
    TIMING GEARS...446
      Checking Backlash...446
    FUEL CAMSHAFT...447
      Removal And Installation...447
      Governor...447
    CRANKSHAFT GEAR...448
      Removal And Installation...448
    OIL PUMP...448
      Removal And Installation...448
      Oil Pump Service...448
      Checking Engine Oil Pressure...449
      Relief Valve...449
    PISTON AND CONNECTING ROD...450
      Removal And Installation...450
      Servicing The Piston And Connecting Rod...451
      Connecting Rod Alignment...453
    CRANKSHAFT AND BEARINGS...454
      Removal And Installation...454
      Servicing The Crankshaft And Bearings...455
    CYLINDER BORE...459
      Checking The Cylinder Bore...459
    WATER PUMP...460
      Removal And Installation...460
      Disassembly And Assembly...460
  TECHNICAL DATA...461
    337 HYDRAULIC EXCAVATOR SPECIFICATIONS...463
      Machine Dimensions...463
      Lifting Capacity...464
      Weights...464
      Controls...464
      Engine...464
      Hydraulic System...465
      Swing System...465
      Hydraulic Cylinders...465
      Drive System...465
      Brakes...465
      Undercarriage...465
      Standard Track Shoes...465
      Refill Capacities...465
      Digging Force...465
    341 HYDRAULIC EXCAVATOR SPECIFICATIONS...466
      Machine Dimensions...466
      Lifting Capacity...467
      Weights...467
      Controls...467
      Engine...467
      Electrical...467
      Hydraulic System...468
      Swing System...468
      Hydraulic Cylinders...468
      Drive System...468
      Brakes...468
      Undercarriage...468
      Standard Track Shoes...468
      Refill Capacities...468
      Digging Force...468
    ENGINE SPECIFICATIONS...469
      Fuel Injection Nozzles...469
      Fuel Injection Pump...469
      Cylinder Head...469
      Valves...469
      Valve Springs...469
      Valve Timing...469
      Rocker Arms...469
      Camshaft...470
      Tappet...470
      Cylinders...470
      Piston Rings...470
      Pistons...470
      Connecting Rods...470
      Oil Pump...470
      Crankshaft...471
      Timing Gear...471
      Thermostat...471
      Engine Bolt Torque...471
      Crankshaft Re–Grind Data...472
      Torque For General Metric Bolts...472
    FUEL, COOLANT AND LUBRICANTS...473
      Chart...473
    HYDRAULIC CONNECTION SPECIFICATIONS...474
      O–ring Face Seal Connection...474
      Straight Thread O–ring Fitting...474
      Tubelines And Hoses...474
      Flare Fitting...474
      O–ring Flare Fitting...475
      Port Seal Fitting...477
    DECIMAL AND MILLIMETER EQUIVALENTS...478
    U.S. TO METRIC CONVERSION...478
  SERVICE MANUAL REVISION...479
    337-1...479
    337-2...481
    337-3...483
    337-4...485
    337-5...487
    337-6...489
6900380 (6–12) - X 337, X 341 Excavator Service Manual...491
  MAINTENANCE SAFETY...493
  ALPHABETICAL INDEX...495
  CONTENTS...497
    FOREWORD...499
    SAFETY INSTRUCTIONS...501
    SERIAL NUMBER LOCATIONS...503
    HYDRAULIC EXCAVATOR SERIAL NUMBER...503
    ENGINE SERIAL NUMBER...503
    DELIVERY REPORT...503
    HYDRAULIC EXCAVATOR IDENTIFICATION...504
  PREVENTIVE MAINTENANCE...505
    SERVICE SCHEDULE...507
    LIFTING AND BLOCKING THE EXCAVATOR...508
      Procedure...508
    TRANSPORTING THE HYDRAULIC EXCAVATOR...509
      Procedure...509
    ENGINE COVER...510
      Opening The Engine Cover...510
      Adjusting The Engine Cover Latches...510
    AIR CLEANER...511
      Air Cleaner Service...511
    FUEL SYSTEM...512
      Fuel Specifications...512
      Filling The Fuel Tank...512
      Fuel System Maintenance...512
      Fuel Filter Service...513
      Removing Air From The Fuel System...513
    ENGINE LUBRICATION SYSTEM...514
      Checking Engine Oil...514
      Replacing Oil And Filter...514
    COOLING SYSTEM...515
      Coolant Level...515
      Replacing Coolant...515
      Propylene Glycol (Factory Installed)...515
    ALTERNATOR BELT...516
      Adjustment...516
    HYDRAULIC SYSTEM...517
      Checking And Adding Fluid...517
      Replacing The Hydraulic Fluid...518
      Replacing the Hydraulic Filter...519
      Replacing The Case Drain Filter...520
    SPARK ARRESTOR MUFFLER (If Equipped)...521
      Cleaning Procedure...521
    TRAVEL MOTOR...522
      Checking Oil Level...522
      Draining And Refilling...522
    LUBRICATION OF THE HYDRAULIC EXCAVATOR...523
      Procedure...523
    HEATER AIR FILTER (With Cab Option Only)...526
      Cleaning Procedure...526
  HYDRAULIC SECTION...527
    HYDRAULIC SCHEMATICS...531
    HYDRAULIC SYSTEM TROUBLESHOOTING...536
    HYDRAULIC SERVICE INFORMATION...541
      Description...541
    HYDRAULIC PUMPS...543
      Testing The Hydraulic Gear Pump...543
      Testing The Pump Stand By Circuit...545
      Adjusting The Pump Stand By Circuit...545
      Testing The Torque Limiter Load Sense Circuit...546
      Testing The Pump Compensator...547
      Adjusting The Pump Compensator...547
      Testing The Torque Limiter For Pressure At Maximum Flow...548
      Testing The Torque Limiter For Flow At Maximum Pressure...551
    HYDRAULIC PISTON PUMP...552
      Removal And Installation...552
      Coupler Removal And Installation...553
      Torque Limiter Valve Parts Identification...554
      Torque Limiter Valve Removal...555
      Torque Limiter Valve Disassembly...556
      Torque Limiter Valve Assembly...559
      Initial Torque Limiter Valve Setting...561
      Torque Limiter Valve Installation...562
      Parts Identification...563
      Disassembly...564
      Assembly...571
      Pump Control Parts Identification...579
      Pump Control Removal And Installation...580
      Pump Control Disassembly...580
      Pump Control Assembly...581
    HYDRAULIC GEAR PUMP (S/N 515411001 –515412249 and 230611001 – 230611067)...583
      Parts Identification...583
      Disassembly...584
      Assembly...586
    HYDRAULIC GEAR PUMP...588
      (S/N 515412250 & Above and 230611068 & Above)...588
      Parts Identification...588
      Disassembly...589
      Assembly...591
    MAIN RELIEF VALVES...594
      Pressure Setting And Adjustment...594
      Pressure Setting And Adjustment (3900 PSI)...595
      Load Sense Relief Valve Setting (3450 PSI) (If Equipped)...595
      Removal and Installation...596
    PORT RELIEF VALVES...597
      Port Relief Valve Pressure Setting...597
      Parts Identification...597
      Adjustment Procedure...598
    HYDRAULIC CONTROL VALVE...599
      Removal And Installation...599
      Mid–Inlet Isolator Spool...602
      Control Valve Identification...603
      Disassembly and Assembly...604
      Swing and Second Auxiliary Valve Section...610
      Blade Valve Section...612
      Mid–Inlet Valve Section...613
      Load Sense Relief Valve Parts Identification...613
      Boom Swing and Travel Valve Sections...614
      Bucket, Arm, Boom and Auxiliary Valve Sections...616
    PRESSURE REDUCING VALVE (With Accumulator)...618
      Description...618
      Removal And Installation...618
    PRESSURE REDUCING VALVE (Without Accumulator)...620
      Description...620
      Removal And Installation...620
      Parts Identification...621
      Disassembly...622
      Assembly...624
      Testing...626
      Testing (S/N 515411497 – 515412054 & 2306 11001–230611203)...627
      Testing (S/N 515411496 & Below)...628
    PRESSURE REDUCING VALVE (With and WithoutAccumulator) (S/N 515412053 & Above and 230611204 & Above)...629
      Parts Identification...629
      Disassembly...630
      Assembly...632
      Testing...634
      Testing (With Accumulator)...635
      Testing (Without Accumulator)...635
    DUAL SEQUENCE VALVE...636
      Removal and Installation...636
      Disassembly and Assembly...636
    AUXILIARY HYDRAULIC VALVE...637
      Description...637
      Removal And Installation...637
      Foot Pedal Disassembly and Assembly (Later Model)...639
      Foot Pedal Disassembly and Assembly (Early Model)...641
      Disassembly...642
      Assembly...644
    BOOM SWING LOCK VALVE...646
      Description...646
      Removal And Installation...646
      Parts Identification...646
      Disassembly...647
      Assembly...649
    OIL COOLER...654
      Removal And Installation...654
    HYDRAULIC RESERVOIR...655
      Removal And Installation...655
    LIFTING CLAMP CYLINDER (If Equipped)...657
      Removal And Installation...657
    BOOM CYLINDER...658
      Removal And Installation...658
      Parts Identification...660
    ARM CYLINDER...661
      Removal And Installation...661
      Parts Identification...662
    BUCKET CYLINDER...663
      Removal And Installation...663
      Parts Identification...664
    BLADE CYLINDER...665
      Removal And Installation...665
      Parts Identification...666
    BOOM SWING CYLINDER...667
      Removal And Installation...667
      Parts Identification...668
    HYDRAULIC CYLINDER...669
      Disassembly...669
      Assembly...671
    JOYSTICK CONTROL CHANGE...676
      ISO/Standard Control Pattern...676
    CONTROL PATTERN SELECTOR VALVE...677
      Disassembly...677
      Assembly...678
    AUXILIARY SELECTOR VALVE...679
      Description...679
      Removal And Installation...679
      Disassembly And Assembly...680
  DRIVE SECTION...682
    RIGHT CONSOLE COVER...684
      Removal And Installation...684
      Arm Rest Removal And Installation...685
      Gauge Removal And Installation...685
    RIGHT CONSOLE...686
      Swing Lock Lever Removal And Installation...686
      Blade Lever Removal And Installation...688
      Speed Control Lever Removal And Installation...689
      Speed Control Lever Adjustment...691
    LEFT CONSOLE COVER...692
      Removal And Installation...692
      Arm Rest Removal And Installation...693
      Switch Removal And Installation...693
      Rear Cover Removal And Installation...694
      Heater Control Removal And Installation...694
    LEFT CONSOLE...695
      Console And Mount Removal And Installation...695
      Control Lock Micro–switch Removal And Installation...696
      Lock Lever Removal And Installation...697
      Gas Spring Removal And Installation...699
      Console Removal And Installation...700
    JOYSTICK...702
      Removal And Installation Of Right Hand Joystick...702
      Removal And Installation Of Left Hand Joystick...702
      Parts Identification...703
      Disassembly...704
      Assembly...708
      Troubleshooting...714
    STEERING LEVERS AND PEDALS...715
      Removal And Installation...715
      Adjusting The Linkage Cables...716
      Disassembly And Assembly...716
    AUXILIARY HYDRAULIC VALVE...717
      Removal And Installation...717
  UPPER WORKS AND SWING SECTION...718
    ENGINE COVER...720
      Removal And Installation...720
    SEAT AND SEAT MOUNT...722
      Removal And Installation...722
    FLOORMAT AND FLOOR PLATE...723
      Removal And Installation...723
    REAR FLOOR PLATE...724
      Removal And Installation...724
    LEFT SIDE COVER...725
      Removal And Installation...725
    RIGHT SIDE COVER...725
      Removal And Installation...725
    RIGHT CORNER POST...726
      Removal And Installation...726
    LEFT CORNER POST...726
      Removal And Installation...726
    RIGHT COUNTERWEIGHT...727
      Removal And Installation...727
    LEFT COUNTERWEIGHT...728
      Removal And Installation...728
    BATTERY BOX...730
      Removal And Installation...730
    FUEL TANK...731
      Removal And Installation...731
    BUCKET TEETH...733
      Removal And Installation...733
    X–CHANGE™...734
      Removal And Installation...734
    ARM...735
      Removal And Installation...735
    BOOM...736
      Removal And Installation...736
    BOOM SWING BRACKET...737
      Removal And Installation...737
      Hose Installation...741
    SWING BRACKET BUSHING...742
      Bushing Removal...742
      Bushing Installation...742
    SWING MOTOR (S/N 515411496 & Below)...743
      Removal And Installation...743
      Parts Identification...745
      Disassembly...746
      Inspection...749
      Assembly...750
    SWING MOTOR DRIVE CARRIER (S/N 515411496 &Below)...754
      Removal And Installation...754
      Parts Identification...756
      Disassembly...757
      Assembly...758
    SWING MOTOR/BRAKE ASSEMBLY (S/N 515411497& Above)...760
      Removal And Installation...760
    SWING MOTOR/BRAKE ASSEMBLY (S/N 515411497& Above)...763
      Disassembly...763
      Inspection...767
      Assembly...768
    SWING MOTOR DRIVE CARRIER (S/N 515411497 &Above)...773
      Removal And Installation...773
      Parts Identification...774
      Checking The Drive Carrier Shaft End Play...775
      Inspection...777
      Assembly...778
    FRONT ENGINE COVER...781
      Removal And Installation...781
    UPPERSTRUCTURE AND SWING CIRCLE GEAR...784
      Removal And Installation...784
      Swing Bearing Removal...785
      Swing Bearing Installation...786
      Upperstructure Installation...789
    CENTER SWIVEL JOINT...790
      Removal And Installation...790
      Parts Identification...791
    ROPS CANOPY...792
      Removal And Installation...792
    CAB...793
      Removal And Installation...793
      Heater Removal And Installation...795
      Heater Disassembly And Assembly...797
      Front Window Removal And Installation...799
      Front Lower Window Removal And Installation...800
      Front Upper Window Removal And Installation...800
      Door Removal And Installation...800
      Door Window Removal And Installation...801
      Left Hand Side Window Removal And Installation...801
      Right Hand Side Window Removal And Installation...802
      Right Hand Window Assembly Removal AndInstallation...803
      Rear Window Removal And Installation...803
    CAB/CANOPY REAR COVER...804
      Removal...804
      Installation...804
  MAIN FRAME AND TRACKS...806
    BLADE...808
      Removal And Installation...808
    TRACK...808
      Track Lug Height...808
      Rubber Track Clearance...809
      Rubber Track Adjustment...810
      Steel Track Clearance...811
      Steel Track Adjustment...812
      Rubber Track Removal And Installation...813
      Steel Track Removal...815
      Steel Track Installation...816
      Track Shoe Removal And Installation...818
    TRACK FRAME...819
      Disassembly And Assembly...819
    TRACK IDLER...822
      Parts Identification...822
      Disassembly...823
      Assembly...825
    TRACK ROLLER...829
      Parts Identification...829
      Disassembly...830
      Assembly...832
    TRAVEL MOTOR...836
      Testing (Case Drain)...836
      Removal And Installation...837
      Parts Identification...838
      Disassembly...839
      Assembly...848
    TRACK DAMAGE IDENTIFICATION...859
      Cutting Of Steel Cords...859
      Abrasion Of Embedded Metals...860
      Separation Of Embedded Metals...861
      Separation Of Embedded Metals Due To Corrosion...862
      Cuts On The Lug Side Rubber...863
      Cracks On The Lug Side Rubber Due To Fatigue...864
      Lug Abrasion...865
      Cracks And Cuts On The Lug Side Rubber...865
      Abrasion Of The Track Roller Side...866
      Cuts On The Edges Of Track Roller Side...867
  ELECTRICAL SYSTEM...868
    ELECTRICAL SCHEMATICS...870
    ELECTRICAL SYSTEM...871
      Description...871
      Troubleshooting...871
      Electrical Relays And Diodes...872
      Fuses...872
      Electrical System Service...873
      Using A Booster Battery (Jump Starting)...873
    BATTERY...874
      Removal And Installation...874
      Servicing The Battery...875
    ALTERNATOR...876
      Belt Adjustment...876
      Removal And Installation...877
      Parts Identification...877
      Disassembly And Inspection...877
      Stator Continuity Test...878
      Stator Ground Test...878
      Rotor Continuity Test...878
      Rotor Ground Test...878
      Rectifier Continuity (Diode) Test...879
      Assembly...879
    STARTER...880
      Removal And Installation...880
      Parts Identification...881
      Disassembly...882
      Inspection And Repair...887
      Assembly...890
    FUEL LEVEL SENDER...895
      Removal And Installation...895
      Testing And Inspection...895
    GAUGES...897
      Removal And Installation...897
      Bulb Replacement...897
    TWO SPEED SWITCH...898
      Removal And Installation...898
    HORN...898
      Removal And Installation...898
    BUZZER...898
      Removal And Installation...898
    TIMER...899
      Removal And Installation...899
    DIODES...899
      Diode Location...899
      Diode Replacement...900
      Diode Testing...900
    CAB ELECTRICAL...900
      Cab Option...900
    TWO SPEED SWITCH...901
      Removal and Installation (Later Models)...901
      Removal and Installation (Early Models)...902
  ENGINE SERVICE...903
    TROUBLESHOOTING...905
      Chart...905
    VALVE CLEARANCE...906
      Adjustment...906
    ENGINE COMPRESSION...906
      Checking...906
    GLOW PLUGS...907
      Removal And Installation...907
      Checking The Glow Plug...907
    FUEL SHUT–OFF SOLENOID...908
      Adjustment...908
      Removal And Installation...908
      Timer Module Removal And Installation...908
    FUEL INJECTION PUMP...909
      Checking The Injection Pump...909
      Removal And Installation...909
      Timing The Injection Pump...911
    FUEL INJECTOR NOZZLES...912
      Removal And Installation...912
      Checking The Injector Nozzle...913
    FAN GUARD...914
      Removal And Installation...914
    RADIATOR...915
      Removal And Installation...915
    MUFFLER...916
      Removal And Installation...916
    AIR CLEANER...917
      Removal And Installation...917
      Air Cleaner Mount Removal And Installation...917
    ENGINE...918
      Removal And Installation...918
    ENGINE FLYWHEEL...922
      Removal And Installation...922
      Flywheel Ring Gear...923
    CYLINDER HEAD...924
      Removal And Installation...924
      Disassembly And Assembly...925
      Servicing The Cylinder Head...926
      Top Clearance...926
    VALVE, VALVE SEAT AND GUIDE...927
      Checking The Valve Guide...927
      Reconditioning The Valve And Valve Seat...928
      Valve Spring...929
    ROCKER ARM AND SHAFT...930
      Checking...930
    TIMING GEARCASE COVER...931
      Removal And Installation...931
    IDLER GEAR AND CAMSHAFT...933
      Removal And Installation...933
      Servicing The Camshaft...934
      Servicing The Idler Gear And Shaft...935
    TIMING GEARS...936
      Checking Backlash...936
    FUEL CAMSHAFT...937
      Removal And Installation...937
      Governor...937
    CRANKSHAFT GEAR...938
      Removal And Installation...938
    OIL PUMP...938
      Removal And Installation...938
      Oil Pump Service...938
      Checking Engine Oil Pressure...939
      Relief Valve...939
    PISTON AND CONNECTING ROD...940
      Removal And Installation...940
      Servicing The Piston And Connecting Rod...941
      Connecting Rod Alignment...943
    CRANKSHAFT AND BEARINGS...944
      Removal And Installation...944
      Servicing The Crankshaft And Bearings...945
    CYLINDER BORE...949
      Checking The Cylinder Bore...949
    WATER PUMP...950
      Removal And Installation...950
      Disassembly And Assembly...950
  TECHNICAL DATA...951
    337 HYDRAULIC EXCAVATOR SPECIFICATIONS...953
      Machine Dimensions...953
      Lifting Capacity...954
      Weights...954
      Controls...954
      Engine...954
      Hydraulic System...955
      Swing System...955
      Hydraulic Cylinders...955
      Drive System...955
      Brakes...955
      Undercarriage...955
      Standard Track Shoes...955
      Refill Capacities...955
      Digging Force...955
    341 HYDRAULIC EXCAVATOR SPECIFICATIONS...956
      Machine Dimensions...956
      Lifting Capacity...957
      Weights...957
      Controls...957
      Engine...957
      Electrical...957
      Hydraulic System...958
      Swing System...958
      Hydraulic Cylinders...958
      Drive System...958
      Brakes...958
      Undercarriage...958
      Standard Track Shoes...958
      Refill Capacities...958
      Digging Force...958
    ENGINE SPECIFICATIONS...959
      Fuel Injection Nozzles...959
      Fuel Injection Pump...959
      Cylinder Head...959
      Valves...959
      Valve Springs...959
      Valve Timing...959
      Rocker Arms...959
      Camshaft...960
      Tappet...960
      Cylinders...960
      Piston Rings...960
      Pistons...960
      Connecting Rods...960
      Oil Pump...960
      Crankshaft...961
      Timing Gear...961
      Thermostat...961
      Engine Bolt Torque...961
      Crankshaft Re–Grind Data...962
      Torque For General Metric Bolts...962
    FUEL, COOLANT AND LUBRICANTS...963
      Chart...963
    HYDRAULIC CONNECTION SPECIFICATIONS...964
      O–ring Face Seal Connection...964
      Straight Thread O–ring Fitting...964
      Tubelines And Hoses...964
      Flare Fitting...964
      O–ring Flare Fitting...965
      Port Seal Fitting...967
    DECIMAL AND MILLIMETER EQUIVALENTS...968
    U.S. TO METRIC CONVERSION...968
  SERVICE MANUAL REVISION...969
    337-1...969
    337-2...971
    337-3...973
    337-4...975
    337-5...977
    337-6...979
    337/341-7...981
6900662 (1-00) - X 337, X 341 Excavator Operation & Maintenance Manual...983
  OPERATOR SAFETY WARNINGS...985
  CONTENTS...987
  REGULAR MAINTENANCE ITEMS...988
  FOREWORD...989
    SERIAL NUMBER LOCATIONS...991
    HYDRAULIC EXCAVATOR SERIAL NUMBER...991
    ENGINE SERIAL NUMBER...991
    DELIVERY REPORT...991
    HYDRAULIC EXCAVATOR IDENTIFICATION...992
  SAFETY...993
    SAFETY INSTRUCTIONS...995
    FIRE PREVENTION...997
    MACHINE SIGNS (DECALS)...998
  OPERATING INSTRUCTIONS...1001
    INSTRUMENT PANEL...1003
    KEY SWITCH...1003
    STEERING LEVERS/FOOT PEDALS...1004
      Forward And Reverse Travel...1004
      Turning...1004
      Right Turn...1004
      Spin-Turn Right...1004
      Left Turn...1004
      Spin-Turn Left...1004
    AUXILIARY POWER OUTLET...1005
    CAB/CANOPY...1005
    CAB/CANOPY FOGS (Falling Object Guards)...1005
    CAB OPTION...1006
      Emergency Exit...1006
      Cab Door...1006
      Opening The Front Window...1007
      Closing The Front Window...1007
      Interior Light...1008
      Wiper Washer Switch...1008
      Windshield Washer Tank...1008
      Heater Control...1009
    CONSOLE SWITCHES...1009
    SPEED CONTROL LEVER...1009
    FUSES...1010
    AUDIBLE ALARM...1011
    HORN BUTTON...1011
    SEAT...1012
    OPERATOR'S HANDBOOK...1012
    STORAGE COMPARTMENT...1012
    ENGINE COVER...1012
    AUXILIARY HYDRAULIC PEDAL...1013
      Operation...1013
      Secondary Auxiliary (Optional)...1014
      Quick Couplers...1014
    CONTROL LEVERS (JOYSTICKS)...1015
      Operation Of Left Control Lever (ISO)...1015
      Operation Of Right Control Lever (ISO)...1015
      Operation Of Left Control Lever (Standard)...1016
      Operation Of Right Control Lever (Standard)...1016
    SWING LOCK (S/N 515411001 - 515411496)...1017
    SWING LOCK (S/N 515411497 & Above) AND (S/N 230611001 & Above)...1017
    BOOM SWING PEDAL...1017
    BLADE CONTROL LEVER...1017
    CONTROL LEVER (JOYSTICK) LOCK...1018
    TWO SPEED FOOT SWITCH...1018
    GETTING ON AND OFF THE MACHINE...1019
    DAILY INSPECTION...1020
    STARTING THE ENGINE...1020
      Normal Starting Procedure (With Engine Warm)...1020
      Cold Temperature Starting Procedure...1021
    ATTACHMENTS (Using The X-Change™ System)...1022
      Removal...1022
      Installation...1023
    OPERATING PROCEDURE...1024
      Operating On Public Roads...1024
      Lifting A Load...1024
      Excavating...1025
      Boom Offset...1026
      Backfilling...1027
      Driving The Excavator...1027
      Operating On Slopes...1028
      Operating In Water...1030
    PARKING THE HYDRAULIC EXCAVATOR...1030
    TRANSPORTING THE HYDRAULIC EXCAVATOR...1031
    LIFTING THE HYDRAULIC EXCAVATOR...1032
  PREVENTIVE MAINTENANCE...1033
    MAINTENANCE SAFETY...1034
    SERVICE SCHEDULE...1035
    ENGINE COVER...1036
      Adjusting The Engine Cover Latches...1036
    AIR CLEANER...1037
      Air Cleaner Service...1037
    FUEL SYSTEM...1038
      Filling The Fuel Tank...1038
      Fuel Filter Service...1038
      Fuel System Maintenance...1039
      Removing Air Fron The Fuel System...1039
      Fuel Specifications...1039
    ENGINE LUBRICATON SYSTEM...1040
      Checking Engine Oil...1040
      Replacing Oil And Filter...1040
    COOLING SYSTEM...1041
      Coolant Level...1041
      Replacing Coolant...1041
      Propylene Glycol (Factory Installed)...1041
    ALTERNATOR BELT...1042
      Adjustment...1042
    ELECTRICAL SYSTEM...1043
      Electrical Relays And Diodes...1043
      Fuses...1043
      Servicing The Electrical System...1044
      Using A Booster Battery (Jump Starting)...1044
      Removing And Installing The Battery...1045
      Servicing The Battery...1046
      Electrical Solenoid (Engine Stop)...1047
    HYDRAULIC SYSTEM...1047
      Checking And Adding Fluid...1047
      Replacing The Hydraulic Oil...1048
      Replacing The Hydraulic Filter...1049
      Replacing The Case Drain Filter...1050
      Diagnostic Couplers...1051
    SPARK ARRESTOR MUFFLER (If Equipped)...1052
    TRACK TENSION...1053
      Adjustment...1053
      Rubber Tracks...1053
      Steel Tracks...1054
    TRAVEL MOTOR...1055
      Checking Oil Level...1055
      Draining And Refilling...1055
    JOYSTICK CONTROL CHANGE (If Equipped)...1056
      ISO/Standard Control Patterns...1056
    LUBRICATION OF THE HYDRAULIC EXCAVATOR...1057
    HEATER AIR FILTER (With Cab Option Only)...1060
  MACHINE SIGN TRANSLATIONS...1061
  SPECIFICATIONS...1075
    337 HYDRAULIC EXCAVATOR SPECIFICATIONS...1077
      Machine Dimensions...1077
      Lifting Capacity...1078
      Weights...1078
      Controls...1078
      Engine...1078
      Electrical...1078
      Hydraulic System...1079
      Swing System...1079
      Hydraulic Cylinders...1079
      Drive System...1079
      Brakes...1079
      Undercarriage...1079
      Standard Track Shoes...1079
      Refill Capacity...1079
      Digging Force...1079
    341 HYDRAULIC EXCAVATOR SPECIFICATIONS...1080
      Machine Dimensions...1080
      Lifting Capacity...1081
      Weights...1081
      Controls...1081
      Engine...1081
      Electrical...1081
      Hydraulic System...1082
      Swing System...1082
      Hydraulic Cylinders...1082
      Drive System...1082
      Brakes...1082
      Undercarriage...1082
      Standard Track Shoes...1082
      Refill Capacities...1082
      Digging Force...1082
    FUEL, COOLANT AND LUBRICANTS...1083
      Chart...1083
    BUCKET SPECIFICATIONS...1084
    BOBCAT APPROVED ATTACHMENTS & ACCESSORIES...1085
      BUCKETS AVALIABLE...1085
      ATTACHMENTS...1085
    ADDITIONAL PUBLICATIONS AND TRAINING MATERIALS...1087
  WARRANTY...1089
6901022 (6-03) - 337, 341 Operation & Maintenance Manual...1091
  OPERATOR SAFETY WARNING...1093
  CONTENTS...1095
    BOBCAT COMPANY IS ISO 9001 CERTIFIED...1097
    REGULAR MAINTENANCE ITEMS...1097
  FOREWORD...1099
    SERIAL NUMBER LOCATIONS...1101
      Excavator Serial Number...1101
      Engine Serial Number...1101
    DELIVERY REPORT...1101
    BOBCAT EXCAVATOR IDENTIFICATION...1102
    FEATURES AND ACCESSORIES...1103
      Standard Items...1103
      Options and Accessories...1103
      Dealer Installed Accessories...1103
      Other...1103
  SAFETY INSTRUCTIONS...1105
    SAFETY INSTRUCTIONS...1107
      Safe Operation Is The Operator’s Responsibility...1107
      BEFORE OPERATING THE BOBCAT COMPACT EXCAVATOR...1108
      SAFE OPERATION NEEDS A *QUALIFIED OPERATOR...1108
      FIRE PREVENTION...1109
    MACHINE SIGNS (DECALS)...1110
  OPERATING INSTRUCTIONS...1113
    INSTRUMENTS AND CONSOLES...1115
      Cab Interior Light (If Equipped)...1115
      Left Console...1115
      Wiper / Washer Fluid Reservoir (If Equipped)...1115
      Right Console...1116
      STD / ISO Selector Valve...1117
      Function Icons...1118
      Raising And Lowering The Console...1119
    TWO-SPEED TRAVEL...1119
    TAILGATE...1120
      Opening And Closing...1120
    OPERATOR CANOPY (ROPS/TOPS)...1120
    FALLING OBJECT GUARDS (FOGS)...1121
    CANOPY ENCLOSURE...1121
    OPERATOR CAB (ROPS/TOPS) (IF EQUIPPED)...1122
      Emergency Exit...1122
      Cab Door...1122
      Front Window...1123
    STEERING LEVERS/FOOT PEDALS...1125
      Forward And Reverse Travel...1125
      Turning...1125
    HYDRAULIC CONTROLS...1127
      ISO Control Pattern...1127
      Left Control Lever...1127
      Right Control Lever...1127
      Standard Control Pattern...1128
      Left Control Lever...1128
      Right Control Lever...1128
      Quick Couplers...1129
      Auxiliary Hydraulics...1130
      Relieving Hydraulic Pressure...1130
      Two-Way Flow / One-Way Flow (Breaker Operation) (Field Accessory)...1130
    BLADE CONTROL LEVER...1131
    BOOM SWING PEDAL...1131
    DAILY INSPECTION...1132
      Service Schedule...1133
    PRE-STARTING PROCEDURE...1134
    STARTING THE ENGINE...1136
      Key Switch...1136
      Keyless Start...1137
      Cold Temperature Starting Procedure...1138
    ATTACHMENTS (USING THE X-CHANGE™ SYSTEM)...1140
      Removing...1140
      Installing...1141
    OPERATING PROCEDURE...1143
      Operating On Public Roads...1143
      Lifting A Load...1143
      Excavating...1144
      Boom Swing...1146
      Backfilling...1147
      Driving The Excavator...1147
      Operating On Slopes...1148
      Operating In Water...1150
    PARKING THE EXCAVATOR...1150
    TRANSPORTING THE EXCAVATOR...1151
    LIFTING THE EXCAVATOR...1152
  PREVENTIVE MAINTENANCE...1153
    MAINTENANCE SAFETY...1155
    MAINTENANCE SAFETY...1157
      Chart...1157
    SERVICE SCHEDULE...1157
    TAILGATE...1158
      Opening And Closing The Tailgate...1158
      Adjusting The Bumper...1158
      Adjusting The Tailgate Latch...1158
    AIR CLEANER...1159
      Daily Check...1159
      Replacing The Filters...1159
    HEATER AIR FILTER (WITH CAB OPTION ONLY)...1161
      Fresh Air Filter...1161
      Recirculation Filter (Early Models Only)...1161
    FUEL SYSTEM...1162
      Fuel Specifications...1162
      Filling The Fuel Tank...1162
      Removing Water From The Fuel Filter...1163
      Fuel Filter...1163
      Draining The Fuel Tank...1163
      Removing Air From The Fuel System...1164
    ENGINE LUBRICATION SYSTEM...1165
      Checking Engine Oil...1165
      Replacing Oil And Filter...1165
    COOLING SYSTEM...1166
      Cleaning The Cooling System...1166
      Checking Coolant Level...1166
      Replacing The Coolant...1167
    ELECTRICAL SYSTEM...1168
      Description...1168
      Fuse And Relay Location...1168
      Using A Booster Battery (Jump Starting)...1169
      Removing And Installing The Battery...1170
    ALTERNATOR BELT...1171
      Adjusting Belt Tension...1171
    HYDRAULIC SYSTEM...1172
      Checking And Adding Fluid...1172
      Replacing The Hydraulic Oil...1173
      Replacing The Hydraulic Filter...1174
      Replacing The Case Drain Filter...1174
      Diagnostic Couplers...1175
    SPARK ARRESTOR MUFFLER...1176
    TRACK TENSION...1177
      Adjustment...1178
    TRAVEL MOTOR...1179
      Checking Oil Level...1179
      Draining The Travel Motor...1179
    LUBRICATION OF THE HYDRAULIC EXCAVATOR...1180
  SYSTEM SETUP AND ANALYSIS...1183
    SERVICE CODES...1185
    DELUXE INSTRUMENT PANEL SETUP...1186
      Software Version...1186
      Passwords...1186
      Password Entry (For Starting and Operating the Machine)...1186
      Changing The Operator Password...1186
      Password Lockout Feature...1187
      Job Clock...1187
      RPM...1187
      ACD...1187
  MACHINE SIGN TRANSLATIONS...1189
    WARNING (6808185)...1191
      ADVERTENCIA (SPANISH)...1191
    LIFT CHART...1192
      337 W/O COUNTERWEIGHT (6808477)...1192
      337 W/ COUNTERWEIGHT (6808630)...1194
      341 (6808494)...1196
    SERVICE SCHEDULE (6810000)...1198
    WARNING (6808180)...1200
    WARNING (6577754, 6804114, 6804232 & 6804233)...1202
    WARNING (6808260 & 6808474)...1203
  SPECIFICATIONS...1205
    337 EXCAVATOR SPECIFICATIONS...1207
      Machine Dimensions...1207
      Performance...1209
      Engine...1209
      Controls...1209
      Drive System...1209
      Hydraulic System...1209
      Electrical...1209
    341 EXCAVATOR SPECIFICATIONS...1210
      Machine Dimensions...1210
      Performance...1212
      Engine...1212
      Controls...1212
      Drive System...1212
      Hydraulic System...1212
      Electrical...1212
    LIFT CHART...1213
      337 (6808477)...1213
      337 (With Counterweights) (6808630)...1213
      341 (6808494)...1214
    FUEL, COOLANT AND LUBRICANTS...1215
      Chart...1215
    BOBCAT APPROVED ATTACHMENTS & ACCESSORIES...1216
    BUCKET SPECIFICATIONS...1216
    ADDITIONAL PUBLICATIONS AND TRAINING MATERIALS...1217
  WARRANTY...1219
6901080 (4-07) - 337, 341 Service Manual...1220
  MAINTENANCE SAFETY...1222
  ALPHABETICAL INDEX...1224
  CONTENTS...1226
    SAFETY INSTRUCTIONS...1230
      Fire Prevention...1232
    SERIAL NUMBER LOCATIONS...1234
      Hydraulic Excavator Serial Number...1234
      Engine Serial Number...1234
    DELIVERY REPORT...1234
    BOBCAT EXCAVATOR IDENTIFICATION...1235
  SAFETY AND MAINTENANCE...1236
    LIFTING AND BLOCKING THE EXCAVATOR...1238
      Procedure...1238
    LIFTING THE EXCAVATOR...1240
      3-Point Lift Procedure...1240
    OPERATOR CAB...1242
      Emergency Exit...1242
      Cab Door...1242
    TRANSPORTING THE EXCAVATOR...1244
      Procedure...1244
    TAILGATE (S/N 233311549 & BELOW, S/N 233211442 & BELOW)...1246
      Opening And Closing The Tailgate...1246
      Adjusting The Bumper...1246
      Adjusting The Latch...1246
    TAILGATE (S/N 233311550 ABOVE, S/N 233211443 & ABOVE)...1248
      Opening And Closing The Tailgate...1248
      Adjusting The Bumper...1248
      Adjusting The Striker...1249
    SERVICE SCHEDULE...1250
    AIR CLEANER SERVICE...1252
      Checking...1252
      Replacing The Filters...1252
    HEATER AIR FILTER...1254
      Fresh Air Filter...1254
      Recirculation Filter (Early Models Only)...1254
    COOLING SYSTEM...1256
      Cleaning The Cooling System...1256
      Checking Coolant Level...1256
      Replacing The Coolant (Early Models)...1257
      Replacing The Coolant (Later Models)...1258
    FUEL SYSTEM...1260
      Fuel Specifications...1260
      Filling The Fuel Tank...1260
      Removing Water From The Fuel Filter...1261
      Fuel Filter...1261
      Draining The Fuel Tank...1262
      Removing Air From The Fuel System...1262
    ENGINE LUBRICATION SYSTEM...1264
      Checking Engine Oil (Early Models)...1264
      Replacing Oil And Filter (Early Models)...1264
      Checking Engine Oil (Later Models)...1266
      Replacing Oil And Filter (Later Models)...1266
    HYDRAULIC SYSTEM...1268
      Checking And Adding Fluid (Early Models)...1268
      Checking And Adding Fluid (Later Models)...1269
      Replacing The Hydraulic Oil (Early Models)...1270
      Replacing The Hydraulic Oil (Later Models)...1271
      Replacing the Hydraulic Filter...1272
      Replacing the Case Drain Filter...1272
      Diagnostic Couplers...1273
    LUBRICATION OF THE EXCAVATOR...1274
      Procedure...1274
    TRAVEL MOTOR...1276
      Checking Oil Level...1276
      Draining The Travel Motor...1276
    SPARK ARRESTOR MUFFLER (IF EQUIPPED)...1278
      Servicing...1278
  HYDRAULIC SYSTEM...1280
    HYDRAULIC/HYDROSTATIC SCHEMATIC...1286
    HYDRAULIC SYSTEM INFORMATION...1288
      Troubleshooting Chart...1288
      Description...1293
    BOOM CYLINDER...1296
      Testing...1296
      Removal And Installation...1298
      Parts Identification...1300
      Disassembly...1301
      Assembly...1305
    ARM CYLINDER...1310
      Testing...1310
      Removal and Installation...1311
      Parts Identification...1313
      Disassembly...1314
      Assembly...1317
    BOOM SWING CYLINDER...1320
      Testing...1320
      Removal And Installation...1321
      Parts Identification...1322
      Disassembly...1323
      Assembly...1326
    BUCKET CYLINDER...1330
      Testing...1330
      Removal And Installation...1332
      Parts Identification...1333
      Disassembly...1334
      Assembly...1337
    BLADE CYLINDER...1342
      Testing...1342
      Removal And Installation...1343
      Parts Identification...1344
      Disassembly...1345
      Assembly...1347
    CLAMP CYLINDER...1350
      Testing...1350
      Removal And Installation...1351
      Parts Identification...1352
      Disassembly...1353
      Assembly...1356
    MAIN RELIEF VALVE...1362
    PORT RELIEF VALVES...1364
      Port Relief Valve Pressure Setting...1364
      Parts Identification...1364
      Adjustment Procedure...1365
    CROSSPORT RELIEF VALVE...1366
      Testing And Adjusting The Crossport Relief Valve...1366
      Removal And Installation...1368
      Disassembly And Assembly...1370
    PRESSURE REDUCING VALVE...1376
      Description...1376
    HYDRAULIC CONTROL VALVE ASSEMBLY...1378
      Removal And Installation...1378
      Control Valve Identification...1381
      Disassembly And Assembly...1382
      Swing Valve Section (Slew Valve Section)...1383
      Boom Offset Valve Section...1391
      Blade Valve Section...1398
      Bucket Valve Section...1406
      Arm Valve Section...1411
      Boom Valve Section...1417
      Auxiliary Valve Section...1423
      Right Side Travel Valve Section...1431
      Left Side Travel Valve Section...1435
      Inlet Section...1439
    HYDRAULIC PUMP...1444
      Hydraulic Pump Work Sheet...1444
      Pump Testing...1447
      Test Fitting Installation...1447
      Torque Limiter Adjustment...1456
      Removal And Installation...1459
      Coupler Removal And Installation...1461
      Torque Limiter Valve Parts Identification...1462
      Torque Limiter Valve Removal...1463
      Torque Limiter Valve Disassembly...1463
      Torque Limiter Valve Assembly...1468
      Initial Torque Limiter Valve Setting...1471
      Torque Limiter Valve Installation...1473
      Pump Control Parts Identification...1474
      Pump Control Removal And Installation...1475
      Pump Control Disassembly And Assembly...1475
      Parts Identification...1481
      Disassembly...1482
      Assembly...1491
    MANIFOLD ASSEMBLY/ACCUMULATOR...1502
      Description...1502
      Testing Pilot Pressure...1502
      Adjusting The Pilot Pressure...1504
      Removal And Installation...1505
      Manifold Assembly/Accumulator Parts Identification (S/N 233311636 & Below, S/N 233211536 & Below)...1508
      Disassembly And Assembly (S/N 233311636 & Below, S/N 233211536 & Below)...1509
      Manifold Assembly/Accumulator Parts Identification (S/N 233311637 & Above, S/N 233211537 & Above)...1518
      Disassembly And Assembly (S/N 233311637 & Above, S/N 233211537 & Above)...1519
    TRAVEL MOTOR...1530
      Checking Oil Level...1530
      Draining And Refilling...1530
      Removal And Installation...1531
      Parts Identification...1532
      Disassembly...1533
      Assembly...1542
    SWIVEL JOINT...1554
      Removal And Installation...1554
      Parts Identification...1555
      Disassembly...1556
      Assembly...1557
    SWING MOTOR...1562
      Removal And Installation...1562
      Disassembly...1568
      Inspection...1573
      Assembly...1574
    SWING MOTOR DRIVE CARRIER...1580
      Removal And Installation...1580
      Parts Identification...1581
      Checking The Drive Carrier Shaft End Play...1582
      Disassembly...1583
      Inspection...1584
      Assembly...1585
    CONTROL PATTERN SELECTOR VALVE...1590
      Removal And Installation...1590
      Disassembly...1591
      Assembly...1592
    RIGHT CONTROL LEVER (JOYSTICK) (S/N 233311869 & BELOW AND 233211877 & BELOW)...1594
      Testing...1594
      Handle Removal And Installation...1595
      Joystick Assembly Removal And Installation...1599
      Parts Identification...1602
      Disassembly And Assembly...1603
    LEFT CONTROL LEVER (JOYSTICK) (S/N 233311869 & BELOW AND 233211877 & BELOW)...1608
      Testing...1608
      Handle Removal And Installation...1610
      Joystick Assembly Removal And Installation...1613
      Parts Identification...1616
      Disassembly And Assembly...1617
    RIGHT CONTROL LEVER (JOYSTICK) (S/N 233311870 & ABOVE AND 233211878 & ABOVE)...1622
      Testing...1622
      Handle Removal And Installation...1623
      Joystick Assembly Removal And Installation...1628
      Parts Identification...1630
      Disassembly...1631
      Assembly...1636
    LEFT CONTROL LEVER (JOYSTICK) (S/N 233311870 & ABOVE AND 233211878 & ABOVE)...1642
      Testing...1642
      Handle Removal And Installation...1644
      Joystick Assembly Removal And Installation...1647
      Parts Identification...1649
      Disassembly...1650
      Assembly...1655
    TRAVEL CONTROL VALVE...1660
      Removal and Installation...1660
      Disassembly And Assembly...1660
    HYDRAULIC FILTER...1666
      Removal And Installation...1666
    HYDRAULIC FLUID RESERVOIR...1668
      Removal And Installation...1668
    OIL COOLER...1670
      Removal And Installation...1670
    DUAL SEQUENCE VALVE...1672
      Removal And Installation...1672
      Disassembly And Assembly...1673
    DIRECT TO TANK VALVE...1676
      Removal And Installation...1676
      Disassembly And Assembly...1677
    BUILD UP VALVE...1680
      Removal And Installation...1680
      Disassembly And Assembly...1681
    CASE DRAIN FILTER...1684
      Removal And Installation...1684
    REMOVING AIR FROM HYDRAULIC SYSTEM...1686
      Procedure...1686
    BOOM OFFSET LOCK VALVE...1690
      Description...1690
      Removal And Installation...1690
      Parts Identification...1692
      Disassembly...1693
      Assembly...1695
  UNDERCARRIAGE...1700
    BLADE...1702
      Removal And Installation...1702
    TRACKS...1704
      Track Lug Height...1704
      Rubber Track Clearance...1705
      Rubber Track Adjustment...1706
      Steel Track Clearance...1707
      Steel Track Adjustment...1708
      Rubber Track Removal And Installation...1709
      Steel Track Removal...1711
      Steel Track Installation...1712
      Track Shoe Removal And Installation...1714
    TRACK FRAME...1716
      Disassembly And Assembly...1716
    TRACK IDLER (RUBBER TRACK S/N 233311115 & BELOW AND 233211116 & BELOW, STEEL TRACK S/N 233311107 & BELOW AND 233211099 & BELOW)...1720
      Parts Identification...1720
      Disassembly...1721
      Assembly...1723
    TRACK IDLER (RUBBER TRACK S/N 233311116 & ABOVE AND 233211117 & ABOVE, STEEL TRACK S/N 233311108 & ABOVE AND 233211100 & ABOVE)...1728
      Parts Identification...1728
      Disassembly...1729
      Assembly...1731
    TRACK ROLLER (RUBBER TRACK S/N 233311115 & BELOW AND S/N 233211116 & BELOW, STEEL TRACK S/N 233311107 & BELOW AND 233211099 & BELOW)...1734
      Parts Identification...1734
      Disassembly...1735
      Assembly...1737
    TRACK ROLLER (RUBBER TRACK S/N 233311116 & ABOVE AND S/N 233211117 & ABOVE, STEEL TRACK S/N 233311108 & ABOVE AND 233211100 & ABOVE)...1742
      Parts Identification...1742
      Disassembly And Assembly...1743
    TRACK DAMAGE IDENTIFICATION...1746
      Cutting Of Steel Cords...1746
      Abrasion Of Embedded Metals...1747
      Separation Of Embedded Metals...1748
      Separation Of Embedded Metals Due To Corrosion...1749
      Cuts On The Lug Side Rubber...1750
      Cracks On The Lug Side Rubber Due To Fatigue...1751
      Lug Abrasion...1752
      Cracks And Cuts On The Lug Side Rubber...1753
      Abrasion Of The Track Roller Side...1754
      Cuts On The Edges Of Track Roller Side...1755
    SWING CIRCLE GEAR...1756
      Removal And Installation...1756
      Swing Bearing Removal...1757
      Swing Bearing Installation...1758
  UPPERSTRUCTURE & SWING SECTION...1762
    UPPERSTRUCTURE...1766
      Removal...1766
      Installation...1769
    ROPS CANOPY...1772
      Removal And Installation...1772
    CAB...1776
      Removal And Installation...1776
      Door Removal And Installation...1779
      Front Window Removal And Installation...1780
      Lower Front Window Removal And Installation...1782
      Right Side Rear Sliding Window Removal And Installation (Two Piece Side Window)...1782
      Right Side Front Sliding Window Removal And Installation (Two Piece Side Window)...1783
      Right Side Rear Sliding Window Removal And Installation (Three Piece Side Window)...1784
      Right Side Front Sliding Window Removal And Installation (Three Piece Side Window)...1786
      Right Side Panel And Window Assembly Removal And Installation...1787
      Door, Left Side, Rear & Upper Front Window Removal And Installation...1790
    SEAT AND SEAT MOUNT...1792
      Removal and Installation...1792
    RIGHT CONSOLE...1794
      Console Cover Removal And Installation...1794
      Console Base Removal And Installation...1795
    LEFT CONSOLE...1800
      Lower Console Cover Removal And Installation...1800
      Upper Console Cover Removal And Installation...1802
      Compression Spring Removal And Installation...1803
      Lock Lever Removal And Installation...1805
      Upper Console Removal And Installation...1806
      Console Switch Removal And Installation...1808
      Disassembly And Assembly...1809
      Console Base Removal And Installation...1811
    ENGINE SPEED CONTROL...1814
      Removal And Installation...1814
    BLADE CONTROL...1816
      Lever Removal And Installation...1816
      Linkage Removal And Installation...1817
      Linkage Bar Removal And Installation...1819
      Lower Linkage Removal And Installation...1820
      Lower Linkage Disassembly And Assembly...1821
    RIGHT PEDAL AND LINKAGE...1824
      Pedal Removal And Installation...1824
      Pedal Disassembly And Assembly...1825
      Lower Linkage Removal And Installation...1827
      Lower Linkage Disassembly And Assembly...1828
      Bellcrank Removal And Installation...1828
    TRAVEL CONTROLS...1830
      Removal And Installation...1830
      Disassembly And Assembly...1831
      Adjustment...1833
    CONTROL LINKAGE ASSEMBLY...1836
      Removal And Installation...1836
    FLOOR MAT AND FLOOR PANELS...1838
      Removal And Installation...1838
    FUEL TANK...1840
      Removal And Installation...1840
    HORN...1842
      Removal And Installation...1842
    SWING FRAME...1844
      Boom Swing Bracket Removal And Installation...1844
      Boom Swing Bracket Hose Installation...1848
      Swing Bracket Bushing Removal...1849
      Swing Bracket Bushing Installation...1850
      Boom Pivot Pin Bushing Removal (S/N 233311405 & Above And 233211373 & Above)...1851
      Boom Pivot Pin Bushing Installation (S/N 233311405 & Above And 233211373 & Above)...1852
    BOOM...1854
      Removal And Installation...1854
      Boom Pivot Pin Bushings Removal And Installation (S/N 233311405 & Above And 233211373 & Above)...1855
    ARM...1856
      Removal And Installation...1856
    BUCKET...1858
      Bucket Teeth Removal And Installation...1858
    TAILGATE...1860
      Removal And Installation...1860
      Release Rod Removal And Installation (S/N 233311549 & Below, S/N 233211442 & Below)...1861
      Latch Removal And Installation (S/N 233311549 & Below, S/N 233211442 & Below)...1861
      Latch Removal And Installation (S/N 233311550 & Above, S/N 233211443 & Above)...1862
      Striker Removal And Installation (S/N 233311550 & Above, S/N 233211443 & Above)...1863
    X-CHANGE™...1864
      Removal And Installation...1864
      Parts Identification...1866
      Disassembly...1867
      Assembly...1872
  ELECTRICAL SYSTEM AND ANALYSIS...1878
    ELECTRICAL SCHEMATIC...1880
    ELECTRICAL SYSTEM INFORMATION...0
      Description...1884
      Troubleshooting Chart...1884
      Fuse Location...1885
      Fuses...1886
      Electrical System Service...1886
    BATTERY...1887
      Using A Booster Battery (Jump Starting)...1887
      Removal And Installation...1888
      Servicing...1890
    ALTERNATOR...1891
      Checking The Belt Tension...1891
      Adjusting The Belt Tension...1892
      Removal And Installation...1893
      Alternator Identification...1894
      Charging System Check...1895
      Alternator Voltage Test...1896
      Low Voltage Test...1896
      High Voltage Test...1897
      Rectifier Continuity (Diode) Test...1898
      Alternator Regulator Test...1899
      Disassembly...1899
      Stator Continuity Test...1900
      Stator Ground Test...1900
      Rotor Continuity Test...1900
      Rotor Ground Test...1900
      Assembly...1901
    STARTER...1903
      Removal And Installation...1903
      Parts Identification...1904
      Disassembly...1905
      Inspection And Repair...1910
      Assembly...1913
    LIGHTS...1919
      Removal And Installation...1919
      Disassembly And Assembly...1920
    TWO SPEED SWITCH...1921
      Removal And Installation...1921
    FUEL LEVEL SENDER...1923
      Removal And Installation...1923
      Testing And Inspection...1923
    DIAGNOSTICS SERVICE CODE...1925
      Number Codes List...1925
  ENGINE SERVICE...1927
    TROUBLESHOOTING...1929
      Chart...1929
    MUFFLER...1931
      Removal And Installation...1931
    AIR CLEANER...1933
      Removal And Installation...1933
    RADIATOR (S/N 233311421 & BELOW, S/N 233211379 & BELOW)...1935
      Removal And Installation...1935
    RADIATOR (S/N 233311422 & ABOVE, S/N 233211380 & ABOVE)...1937
      Removal And Installation...1937
    ENGINE COMPONENTS AND TESTING...1939
      Engine Compression Checking...1939
      Glow Plugs Removal And Installation...1940
      Checking The Glow Plug...1940
      Fuel Shut-off Solenoid Adjustment...1941
      Fuel Shut-off Solenoid Removal And Installation...1941
      Fuel Injection Pump Check...1942
      Fuel Injection Pump Removal And Installation...1942
      Fuel Injector Nozzles Removal And Installation...1945
      Fuel Injector Nozzle Check...1946
      Valve Clearance Adjustment...1947
    ENGINE...1949
      Removal And Installation...1949
    FLYWHEEL AND HOUSING...1955
      Flywheel Removal And Installation...1955
      Flywheel Ring Gear...1956
    RECONDITIONING THE ENGINE...1957
      Cylinder Head Removal And Installation...1957
      Cylinder Head Disassembly And Assembly...1958
      Cylinder Head Servicing...1959
      Cylinder Head Top Clearance...1959
      Valve Guide, Checking...1960
      Valve And Valve Seat Reconditioning...1961
      Valve Spring, Checking...1962
      Rocker Arm And Shaft, Checking...1963
      Timing Gearcase Cover Removal And Installation...1964
      Idler Gear And Camshaft Removal And Installation...1966
      Camshaft, Servicing...1967
      Idler Gear And Shaft, Servicing...1968
      Timing Gears, Checking Backlash...1969
      Fuel Camshaft Removal And Installation...1970
      Fuel Camshaft Governor...1970
      Crankshaft Gear Removal And Installation...1971
      Oil Pump Removal And Installation...1971
      Oil Pump, Service...1972
      Checking Engine Oil Pressure...1973
      Relief Valve...1973
      Piston And Connecting Rod Removal And Installation...1974
      Piston And Connecting Rod, Servicing...1975
      Connecting Rod Alignment...1978
      Crankshaft And Bearings Removal And Installation...1979
      Crankshaft And Bearings, Servicing...1980
      Cylinder Bore, Checking...1984
      Water Pump Removal And Installation...1985
      Water Pump Disassembly And Assembly...1985
      Fan Removal And Installation...1986
  HEATING, VENTILATION, AIR CONDITIONING...1987
    HEATER COIL...1989
      Removal And Installation With A/C...1989
      Removal And Installation Without A/C...1991
    HEATER/AC FAN...1993
      Removal And Installation...1993
      Disassembly And Assembly...1994
      Resistor Removal and Installation...1995
      Wire Connector Removal and Installation...1996
    HEATER VALVE...1999
      Removal and Installation...1999
    AIR CONDITIONING SYSTEM FLOW...2002
      Principals...2002
      Chart...2003
    COMPONENTS...2005
      Identification...2005
    SAFETY...2009
      Safety Equipment...2009
    REGULAR MAINTENANCE...2011
      Filter Elements Removal And Installation...2011
      Compressor Drive Belt Inspection...2012
      Cleaning The Condenser...2012
    BASIC TROUBLESHOOTING...2015
      Poor A/C Performance...2015
      Cleaning The A/C Evaporator Coil & Heater Coil...2016
      Compressor Drive Belt Inspection...2018
      Checking The Electrical System...2019
      Engine Coolant By-Passing The Heater Valve...2029
    GENERAL AIR CONDITIONING SERVICE GUIDELINES...2031
      Compressor Oil...2031
      Compressor Oil Check...2031
      Component Replacement And Refrigeration Leaks...2033
    SYSTEM TROUBLESHOOTING CHART...2035
      Gauge Pressure Related Troubleshooting...2036
    TEMPERATURE/PRESSURE...2039
      Chart...2039
    AIR CONDITIONING SERVICE...2041
      Chart...2041
    SYSTEM CHARGING AND RECLAMATION...2043
      Reclamation Procedure...2043
      Charging Procedure With A Manifold Gauge Set...2046
      Charging Procedure...2047
    COMPRESSOR...2051
      Removal And Installation...2051
      Compressor Clutch Disassembly And Assembly...2053
    CONDENSER...2057
      Removal And Installation...2057
    RECEIVER/DRIER...2059
      Removal And Installation...2059
    PRESSURE RELIEF VALVE...2061
      Removal And Installation...2061
    PRESSURE SWITCH...2063
      Removal And Installation...2063
    EVAPORATOR/HEATER UNIT...2065
      Removal And Installation...2065
      Disassembly And Assembly...2066
    THERMOSTAT...2069
      Removal And Installation...2069
    EXPANSION VALVE...2071
      Removal And Installation...2071
    EVAPORATOR...2073
      Removal And Installation...2073
  SPECIFICATIONS...2075
    337 HYDRAULIC EXCAVATOR SPECIFICATIONS...2077
      Machine Dimensions...2077
      Lifting Capacity...2078
      Weights...2078
      Controls...2078
      Engine...2078
      Electrical...2079
      Hydraulic Systems...2079
      Swing System...2079
      Hydraulic Cylinders...2079
      Drive System...2079
      Brakes...2080
      Undercarriage...2080
      Track Shoes...2080
      Refill Capacities...2080
      Digging Force...2080
    341 HYDRAULIC EXCAVATOR SPECIFICATIONS...2081
      Machine Dimensions...2081
      Lifting Capacity...2082
      Weights...2082
      Controls...2082
      Engine...2082
      Electrical...2083
      Hydraulic Systems...2083
      Swing System...2083
      Hydraulic Cylinders...2083
      Drive System...2083
      Brakes...2084
      Undercarriage...2084
      Track Shoes...2084
      Refill Capacities...2084
      Digging Force...2084
    ENGINE SPECIFICATIONS...2085
      Fuel Injection Nozzles...2085
      Fuel Injection Pump...2085
      Cylinder Head...2085
      Valves...2085
      Valve Springs...2086
      Valve Timing...2086
      Rocker Arms...2086
      Camshaft...2086
      Tappet...2086
      Cylinders...2087
      Piston Rings...2087
      Pistons...2087
      Connecting Rods...2087
      Oil Pump...2087
      Crankshaft...2088
      Timing Gear...2088
      Thermostat...2088
      Engine Bolt Torque...2089
      Crankshaft Re-Grind Data...2090
    TORQUE SPECIFICATIONS...2091
      Torque for General SAE Bolts...2091
      Torque For General Metric Bolts...2092
    HYDRAULIC CONNECTION SPECIFICATIONS...2093
      O-ring Face Seal Connection...2093
      Straight Thread O-ring Fitting...2093
      Tubelines And Hoses...2093
      Flare Fitting...2094
      O-ring Flare Fitting...2095
      Port Seal Fitting...2097
    HYDRAULIC FLUID SPECIFICATIONS...2099
      Specifications...2099
    FUEL, COOLANT AND LUBRICANTS...2101
      Chart...2101
    CONVERSIONS...2103
      Decimal And Millimeter Equivalents...2103
      U.S. To Metric Conversion...2103
  SMR...2105
    337/341-1...2105
    337/341-2...2107
    337/341-3...2109
    337/341-4...2111
    337/341-5...2113
    337/341-6...2115
    337/341-7...2117
    337/341-8...2119
6901080 (6-12) - 337, 341 Service Manual...2121
  MAINTENANCE SAFETY...2123
  ALPHABETICAL INDEX...2125
  CONTENTS...2127
    SAFETY INSTRUCTIONS...2131
      Fire Prevention...2133
    SERIAL NUMBER LOCATIONS...2135
      Hydraulic Excavator Serial Number...2135
      Engine Serial Number...2135
    DELIVERY REPORT...2135
    BOBCAT EXCAVATOR IDENTIFICATION...2136
  SAFETY AND MAINTENANCE...2137
    LIFTING AND BLOCKING THE EXCAVATOR...2139
      Procedure...2139
    LIFTING THE EXCAVATOR...2141
      3-Point Lift Procedure...2141
    OPERATOR CAB...2143
      Emergency Exit...2143
      Cab Door...2143
    TRANSPORTING THE EXCAVATOR...2145
      Procedure...2145
    TAILGATE (S/N 233311549 & BELOW, S/N 233211442 & BELOW)...2147
      Opening And Closing The Tailgate...2147
      Adjusting The Bumper...2147
      Adjusting The Latch...2147
    TAILGATE (S/N 233311550 ABOVE, S/N 233211443 & ABOVE)...2149
      Opening And Closing The Tailgate...2149
      Adjusting The Bumper...2149
      Adjusting The Striker...2150
    SERVICE SCHEDULE...2151
    AIR CLEANER SERVICE...2153
      Checking...2153
      Replacing The Filters...2153
    HEATER AIR FILTER...2155
      Fresh Air Filter...2155
      Recirculation Filter (Early Models Only)...2155
    COOLING SYSTEM...2157
      Cleaning The Cooling System...2157
      Checking Coolant Level...2157
      Replacing The Coolant (Early Models)...2158
      Replacing The Coolant (Later Models)...2159
    FUEL SYSTEM...2161
      Fuel Specifications...2161
      Filling The Fuel Tank...2161
      Removing Water From The Fuel Filter...2162
      Fuel Filter...2162
      Draining The Fuel Tank...2163
      Removing Air From The Fuel System...2163
    ENGINE LUBRICATION SYSTEM...2165
      Checking Engine Oil (Early Models)...2165
      Replacing Oil And Filter (Early Models)...2165
      Checking Engine Oil (Later Models)...2167
      Replacing Oil And Filter (Later Models)...2167
    HYDRAULIC SYSTEM...2169
      Checking And Adding Fluid (Early Models)...2169
      Checking And Adding Fluid (Later Models)...2170
      Replacing The Hydraulic Oil (Early Models)...2171
      Replacing The Hydraulic Oil (Later Models)...2172
      Replacing the Hydraulic Filter...2173
      Replacing the Case Drain Filter...2173
      Diagnostic Couplers...2174
    LUBRICATION OF THE EXCAVATOR...2175
      Procedure...2175
    TRAVEL MOTOR...2177
      Checking Oil Level...2177
      Draining The Travel Motor...2177
    SPARK ARRESTOR MUFFLER (IF EQUIPPED)...2179
      Servicing...2179
  HYDRAULIC SYSTEM...2181
    HYDRAULIC/HYDROSTATIC SCHEMATIC...2187
    HYDRAULIC SYSTEM INFORMATION...2189
      Troubleshooting Chart...2189
      Description...2194
    BOOM CYLINDER...2197
      Testing...2197
      Removal And Installation...2199
      Parts Identification...2201
      Disassembly...2202
      Assembly...2206
    ARM CYLINDER...2211
      Testing...2211
      Removal and Installation...2212
      Parts Identification...2214
      Disassembly...2215
      Assembly...2218
    BOOM SWING CYLINDER...2221
      Testing...2221
      Removal And Installation...2222
      Parts Identification...2223
      Disassembly...2224
      Assembly...2227
    BUCKET CYLINDER...2231
      Testing...2231
      Removal And Installation...2233
      Parts Identification...2234
      Disassembly...2235
      Assembly...2238
    BLADE CYLINDER...2243
      Testing...2243
      Removal And Installation...2244
      Parts Identification...2245
      Disassembly...2246
      Assembly...2248
    CLAMP CYLINDER...2251
      Testing...2251
      Removal And Installation...2252
      Parts Identification...2253
      Disassembly...2254
      Assembly...2257
    MAIN RELIEF VALVE...2263
    PORT RELIEF VALVES...2265
      Port Relief Valve Pressure Setting...2265
      Parts Identification...2265
      Adjustment Procedure...2266
    CROSSPORT RELIEF VALVE...2267
      Testing And Adjusting The Crossport Relief Valve...2267
      Removal And Installation...2269
      Disassembly And Assembly...2271
    PRESSURE REDUCING VALVE...2277
      Description...2277
    HYDRAULIC CONTROL VALVE ASSEMBLY...2279
      Removal And Installation...2279
      Control Valve Identification...2282
      Disassembly And Assembly...2283
      Swing Valve Section (Slew Valve Section)...2284
      Boom Offset Valve Section...2292
      Blade Valve Section...2299
      Bucket Valve Section...2307
      Arm Valve Section...2312
      Boom Valve Section...2318
      Auxiliary Valve Section...2324
      Right Side Travel Valve Section...2332
      Left Side Travel Valve Section...2336
      Inlet Section...2340
    HYDRAULIC PUMP...2345
      Hydraulic Pump Work Sheet...2345
      Pump Testing...2348
      Test Fitting Installation...2348
      Torque Limiter Adjustment...2357
      Removal And Installation...2360
      Coupler Removal And Installation...2362
      Torque Limiter Valve Parts Identification...2363
      Torque Limiter Valve Removal...2364
      Torque Limiter Valve Disassembly...2364
      Torque Limiter Valve Assembly...2369
      Initial Torque Limiter Valve Setting...2372
      Torque Limiter Valve Installation...2374
      Pump Control Parts Identification...2375
      Pump Control Removal And Installation...2376
      Pump Control Disassembly And Assembly...2376
      Parts Identification...2382
      Disassembly...2383
      Assembly...2392
    MANIFOLD ASSEMBLY/ACCUMULATOR...2403
      Description...2403
      Testing Pilot Pressure...2403
      Adjusting The Pilot Pressure...2405
      Removal And Installation...2406
      Manifold Assembly/Accumulator Parts Identification (S/N 233311636 & Below, S/N 233211536 & Below)...2409
      Disassembly And Assembly (S/N 233311636 & Below, S/N 233211536 & Below)...2410
      Manifold Assembly/Accumulator Parts Identification (S/N 233311637 & Above, S/N 233211537 & Above)...2419
      Disassembly And Assembly (S/N 233311637 & Above, S/N 233211537 & Above)...2420
    TRAVEL MOTOR...2431
      Checking Oil Level...2431
      Draining And Refilling...2431
      Removal And Installation...2432
      Parts Identification...2433
      Disassembly...2434
      Assembly...2443
    SWIVEL JOINT...2455
      Removal And Installation...2455
      Parts Identification...2456
      Disassembly...2457
      Assembly...2458
    SWING MOTOR...2463
      Removal And Installation...2463
      Disassembly...2469
      Inspection...2474
      Assembly...2475
    SWING MOTOR DRIVE CARRIER...2481
      Removal And Installation...2481
      Parts Identification...2482
      Checking The Drive Carrier Shaft End Play...2483
      Disassembly...2484
      Inspection...2485
      Assembly...2486
    CONTROL PATTERN SELECTOR VALVE...2491
      Removal And Installation...2491
      Disassembly...2492
      Assembly...2493
    RIGHT CONTROL LEVER (JOYSTICK) (S/N 233311869 & BELOW AND 233211877 & BELOW)...2495
      Testing...2495
      Handle Removal And Installation...2496
      Joystick Assembly Removal And Installation...2500
      Parts Identification...2503
      Disassembly And Assembly...2504
    LEFT CONTROL LEVER (JOYSTICK) (S/N 233311869 & BELOW AND 233211877 & BELOW)...2509
      Testing...2509
      Handle Removal And Installation...2511
      Joystick Assembly Removal And Installation...2514
      Parts Identification...2517
      Disassembly And Assembly...2518
    RIGHT CONTROL LEVER (JOYSTICK) (S/N 233311870 & ABOVE AND 233211878 & ABOVE)...2523
      Testing...2523
      Handle Removal And Installation...2524
      Joystick Assembly Removal And Installation...2529
      Parts Identification...2531
      Disassembly...2532
      Assembly...2537
    LEFT CONTROL LEVER (JOYSTICK) (S/N 233311870 & ABOVE AND 233211878 & ABOVE)...2543
      Testing...2543
      Handle Removal And Installation...2545
      Joystick Assembly Removal And Installation...2548
      Parts Identification...2550
      Disassembly...2551
      Assembly...2556
    TRAVEL CONTROL VALVE...2561
      Removal and Installation...2561
      Disassembly And Assembly...2561
    HYDRAULIC FILTER...2567
      Removal And Installation...2567
    HYDRAULIC FLUID RESERVOIR...2569
      Removal And Installation...2569
    OIL COOLER...2571
      Removal And Installation...2571
    DUAL SEQUENCE VALVE...2573
      Removal And Installation...2573
      Disassembly And Assembly...2574
    DIRECT TO TANK VALVE...2577
      Removal And Installation...2577
      Disassembly And Assembly...2578
    BUILD UP VALVE...2581
      Removal And Installation...2581
      Disassembly And Assembly...2582
    CASE DRAIN FILTER...2585
      Removal And Installation...2585
    REMOVING AIR FROM HYDRAULIC SYSTEM...2587
      Procedure...2587
    BOOM OFFSET LOCK VALVE...2591
      Description...2591
      Removal And Installation...2591
      Parts Identification...2593
      Disassembly...2594
      Assembly...2596
  UNDERCARRIAGE...2601
    BLADE...2603
      Removal And Installation...2603
    TRACKS...2605
      Track Lug Height...2605
      Rubber Track Clearance...2606
      Rubber Track Adjustment...2607
      Steel Track Clearance...2608
      Steel Track Adjustment...2609
      Rubber Track Removal And Installation...2610
      Steel Track Removal...2612
      Steel Track Installation...2613
      Track Shoe Removal And Installation...2615
    TRACK FRAME...2617
      Disassembly And Assembly...2617
    TRACK IDLER (RUBBER TRACK S/N 233311115 & BELOW AND 233211116 & BELOW, STEEL TRACK S/N 233311107 & BELOW AND 233211099 & BELOW)...2621
      Parts Identification...2621
      Disassembly...2622
      Assembly...2624
    TRACK IDLER (RUBBER TRACK S/N 233311116 & ABOVE AND 233211117 & ABOVE, STEEL TRACK S/N 233311108 & ABOVE AND 233211100 & ABOVE)...2629
      Parts Identification...2629
      Disassembly...2630
      Assembly...2632
    TRACK ROLLER (RUBBER TRACK S/N 233311115 & BELOW AND S/N 233211116 & BELOW, STEEL TRACK S/N 233311107 & BELOW AND 233211099 & BELOW)...2635
      Parts Identification...2635
      Disassembly...2636
      Assembly...2638
    TRACK ROLLER (RUBBER TRACK S/N 233311116 & ABOVE AND S/N 233211117 & ABOVE, STEEL TRACK S/N 233311108 & ABOVE AND 233211100 & ABOVE)...2643
      Parts Identification...2643
      Disassembly And Assembly...2644
    TRACK DAMAGE IDENTIFICATION...2647
      Cutting Of Steel Cords...2647
      Abrasion Of Embedded Metals...2648
      Separation Of Embedded Metals...2649
      Separation Of Embedded Metals Due To Corrosion...2650
      Cuts On The Lug Side Rubber...2651
      Cracks On The Lug Side Rubber Due To Fatigue...2652
      Lug Abrasion...2653
      Cracks And Cuts On The Lug Side Rubber...2654
      Abrasion Of The Track Roller Side...2655
      Cuts On The Edges Of Track Roller Side...2656
    SWING CIRCLE GEAR...2657
      Removal And Installation...2657
      Swing Bearing Removal...2658
      Swing Bearing Installation...2659
  UPPERSTRUCTURE & SWING SECTION...2663
    UPPERSTRUCTURE...2667
      Removal...2667
      Installation...2670
    ROPS CANOPY...2673
      Removal And Installation...2673
    CAB...2677
      Removal And Installation...2677
      Door Removal And Installation...2680
      Front Window Removal And Installation...2681
      Lower Front Window Removal And Installation...2683
      Right Side Rear Sliding Window Removal And Installation (Two Piece Side Window)...2683
      Right Side Front Sliding Window Removal And Installation (Two Piece Side Window)...2684
      Right Side Rear Sliding Window Removal And Installation (Three Piece Side Window)...2685
      Right Side Front Sliding Window Removal And Installation (Three Piece Side Window)...2687
      Right Side Panel And Window Assembly Removal And Installation...2688
      Door, Left Side, Rear & Upper Front Window Removal And Installation...2691
    SEAT AND SEAT MOUNT...2693
      Removal and Installation...2693
    RIGHT CONSOLE...2695
      Console Cover Removal And Installation...2695
      Console Base Removal And Installation...2696
    LEFT CONSOLE...2701
      Lower Console Cover Removal And Installation...2701
      Upper Console Cover Removal And Installation...2703
      Compression Spring Removal And Installation...2704
      Lock Lever Removal And Installation...2706
      Upper Console Removal And Installation...2707
      Console Switch Removal And Installation...2709
      Disassembly And Assembly...2710
      Console Base Removal And Installation...2712
    ENGINE SPEED CONTROL...2715
      Removal And Installation...2715
    BLADE CONTROL...2717
      Lever Removal And Installation...2717
      Linkage Removal And Installation...2718
      Linkage Bar Removal And Installation...2720
      Lower Linkage Removal And Installation...2721
      Lower Linkage Disassembly And Assembly...2722
    RIGHT PEDAL AND LINKAGE...2725
      Pedal Removal And Installation...2725
      Pedal Disassembly And Assembly...2726
      Lower Linkage Removal And Installation...2728
      Lower Linkage Disassembly And Assembly...2729
      Bellcrank Removal And Installation...2729
    TRAVEL CONTROLS...2731
      Removal And Installation...2731
      Disassembly And Assembly...2732
      Adjustment...2734
    CONTROL LINKAGE ASSEMBLY...2737
      Removal And Installation...2737
    FLOOR MAT AND FLOOR PANELS...2739
      Removal And Installation...2739
    FUEL TANK...2741
      Removal And Installation...2741
    HORN...2743
      Removal And Installation...2743
    SWING FRAME...2745
      Boom Swing Bracket Removal And Installation...2745
      Boom Swing Bracket Hose Installation...2749
      Swing Bracket Bushing Removal...2750
      Swing Bracket Bushing Installation...2751
      Boom Pivot Pin Bushing Removal (S/N 233311405 & Above And 233211373 & Above)...2752
      Boom Pivot Pin Bushing Installation (S/N 233311405 & Above And 233211373 & Above)...2753
    BOOM...2755
      Removal And Installation...2755
      Boom Pivot Pin Bushings Removal And Installation (S/N 233311405 & Above And 233211373 & Above)...2756
    ARM...2757
      Removal And Installation...2757
    BUCKET...2759
      Bucket Teeth Removal And Installation...2759
    TAILGATE...2761
      Removal And Installation...2761
      Release Rod Removal And Installation (S/N 233311549 & Below, S/N 233211442 & Below)...2762
      Latch Removal And Installation (S/N 233311549 & Below, S/N 233211442 & Below)...2762
      Latch Removal And Installation (S/N 233311550 & Above, S/N 233211443 & Above)...2763
      Striker Removal And Installation (S/N 233311550 & Above, S/N 233211443 & Above)...2764
    X-CHANGE™...2765
      Removal And Installation...2765
      Parts Identification...2767
      Disassembly...2768
      Assembly...2773
  ELECTRICAL SYSTEM AND ANALYSIS...2779
    ELECTRICAL SCHEMATIC...2781
    ELECTRICAL SYSTEM INFORMATION...0
      Description...2786
      Troubleshooting Chart...2786
      Fuse Location...2787
      Fuses...2788
      Electrical System Service...2788
    BATTERY...2789
      Using A Booster Battery (Jump Starting)...2789
      Removal And Installation...2790
      Servicing...2792
    ALTERNATOR...2793
      Checking The Belt Tension...2793
      Adjusting The Belt Tension...2794
      Removal And Installation...2795
      Alternator Identification...2796
      Charging System Check...2797
      Alternator Voltage Test...2798
      Low Voltage Test...2798
      High Voltage Test...2799
      Rectifier Continuity (Diode) Test...2800
      Alternator Regulator Test...2801
      Disassembly...2801
      Stator Continuity Test...2802
      Stator Ground Test...2802
      Rotor Continuity Test...2802
      Rotor Ground Test...2802
      Assembly...2803
    STARTER...2805
      Removal And Installation...2805
      Parts Identification...2806
      Disassembly...2807
      Inspection And Repair...2812
      Assembly...2815
    LIGHTS...2821
      Removal And Installation...2821
      Disassembly And Assembly...2822
    TWO SPEED SWITCH...2823
      Removal And Installation...2823
    FUEL LEVEL SENDER...2825
      Removal And Installation...2825
      Testing And Inspection...2825
    DIAGNOSTICS SERVICE CODE...2827
      Number Codes List...2827
  ENGINE SERVICE...2829
    TROUBLESHOOTING...2831
      Chart...2831
    MUFFLER...2833
      Removal And Installation...2833
    AIR CLEANER...2835
      Removal And Installation...2835
    RADIATOR (S/N 233311421 & BELOW, S/N 233211379 & BELOW)...2837
      Removal And Installation...2837
    RADIATOR (S/N 233311422 & ABOVE, S/N 233211380 & ABOVE)...2839
      Removal And Installation...2839
    ENGINE COMPONENTS AND TESTING...2841
      Engine Compression Checking...2841
      Glow Plugs Removal And Installation...2842
      Checking The Glow Plug...2842
      Fuel Shut-off Solenoid Adjustment...2843
      Fuel Shut-off Solenoid Removal And Installation...2843
      Fuel Injection Pump Check...2844
      Fuel Injection Pump Removal And Installation...2844
      Fuel Injector Nozzles Removal And Installation...2847
      Fuel Injector Nozzle Check...2848
      Valve Clearance Adjustment...2849
    ENGINE...2851
      Removal And Installation...2851
    FLYWHEEL AND HOUSING...2857
      Flywheel Removal And Installation...2857
      Flywheel Ring Gear...2858
    RECONDITIONING THE ENGINE...2859
      Cylinder Head Removal And Installation...2859
      Cylinder Head Disassembly And Assembly...2860
      Cylinder Head Servicing...2861
      Cylinder Head Top Clearance...2861
      Valve Guide, Checking...2862
      Valve And Valve Seat Reconditioning...2863
      Valve Spring, Checking...2864
      Rocker Arm And Shaft, Checking...2865
      Timing Gearcase Cover Removal And Installation...2866
      Idler Gear And Camshaft Removal And Installation...2868
      Camshaft, Servicing...2869
      Idler Gear And Shaft, Servicing...2870
      Timing Gears, Checking Backlash...2871
      Fuel Camshaft Removal And Installation...2872
      Fuel Camshaft Governor...2872
      Crankshaft Gear Removal And Installation...2873
      Oil Pump Removal And Installation...2873
      Oil Pump, Service...2874
      Checking Engine Oil Pressure...2875
      Relief Valve...2875
      Piston And Connecting Rod Removal And Installation...2876
      Piston And Connecting Rod, Servicing...2877
      Connecting Rod Alignment...2880
      Crankshaft And Bearings Removal And Installation...2881
      Crankshaft And Bearings, Servicing...2882
      Cylinder Bore, Checking...2886
      Water Pump Removal And Installation...2887
      Water Pump Disassembly And Assembly...2887
      Fan Removal And Installation...2888
  HEATING, VENTILATION, AIR CONDITIONING...2889
    HEATER COIL...2891
      Removal And Installation With A/C...2891
      Removal And Installation Without A/C...2893
    HEATER/AC FAN...2895
      Removal And Installation...2895
      Disassembly And Assembly...2896
      Resistor Removal and Installation...2897
      Wire Connector Removal and Installation...2898
    HEATER VALVE...2901
      Removal and Installation...2901
    AIR CONDITIONING SYSTEM FLOW...2904
      Principals...2904
      Chart...2905
    COMPONENTS...2907
      Identification...2907
    SAFETY...2911
      Safety Equipment...2911
    REGULAR MAINTENANCE...2913
      Filter Elements Removal And Installation...2913
      Compressor Drive Belt Inspection...2914
      Cleaning The Condenser...2914
    BASIC TROUBLESHOOTING...2917
      Poor A/C Performance...2917
      Cleaning The A/C Evaporator Coil & Heater Coil...2918
      Compressor Drive Belt Inspection...2920
      Checking The Electrical System...2921
      Engine Coolant By-Passing The Heater Valve...2931
    GENERAL AIR CONDITIONING SERVICE GUIDELINES...2933
      Compressor Oil...2933
      Compressor Oil Check...2933
      Component Replacement And Refrigeration Leaks...2935
    SYSTEM TROUBLESHOOTING CHART...2937
      Gauge Pressure Related Troubleshooting...2938
    TEMPERATURE/PRESSURE...2941
      Chart...2941
    AIR CONDITIONING SERVICE...2943
      Chart...2943
    SYSTEM CHARGING AND RECLAMATION...2945
      Reclamation Procedure...2945
      Charging Procedure With A Manifold Gauge Set...2948
      Charging Procedure...2949
    COMPRESSOR...2953
      Removal And Installation...2953
      Compressor Clutch Disassembly And Assembly...2955
    CONDENSER...2959
      Removal And Installation...2959
    RECEIVER/DRIER...2961
      Removal And Installation...2961
    PRESSURE RELIEF VALVE...2963
      Removal And Installation...2963
    PRESSURE SWITCH...2965
      Removal And Installation...2965
    EVAPORATOR/HEATER UNIT...2967
      Removal And Installation...2967
      Disassembly And Assembly...2968
    THERMOSTAT...2971
      Removal And Installation...2971
    EXPANSION VALVE...2973
      Removal And Installation...2973
    EVAPORATOR...2975
      Removal And Installation...2975
  SPECIFICATIONS...2977
    337 HYDRAULIC EXCAVATOR SPECIFICATIONS...2979
      Machine Dimensions...2979
      Lifting Capacity...2980
      Weights...2980
      Controls...2980
      Engine...2980
      Electrical...2981
      Hydraulic Systems...2981
      Swing System...2981
      Hydraulic Cylinders...2981
      Drive System...2981
      Brakes...2982
      Undercarriage...2982
      Track Shoes...2982
      Refill Capacities...2982
      Digging Force...2982
    341 HYDRAULIC EXCAVATOR SPECIFICATIONS...2983
      Machine Dimensions...2983
      Lifting Capacity...2984
      Weights...2984
      Controls...2984
      Engine...2984
      Electrical...2985
      Hydraulic Systems...2985
      Swing System...2985
      Hydraulic Cylinders...2985
      Drive System...2985
      Brakes...2986
      Undercarriage...2986
      Track Shoes...2986
      Refill Capacities...2986
      Digging Force...2986
    ENGINE SPECIFICATIONS...2987
      Fuel Injection Nozzles...2987
      Fuel Injection Pump...2987
      Cylinder Head...2987
      Valves...2987
      Valve Springs...2988
      Valve Timing...2988
      Rocker Arms...2988
      Camshaft...2988
      Tappet...2988
      Cylinders...2989
      Piston Rings...2989
      Pistons...2989
      Connecting Rods...2989
      Oil Pump...2989
      Crankshaft...2990
      Timing Gear...2990
      Thermostat...2990
      Engine Bolt Torque...2991
      Crankshaft Re-Grind Data...2992
    TORQUE SPECIFICATIONS...2993
      Torque for General SAE Bolts...2993
      Torque For General Metric Bolts...2994
    HYDRAULIC CONNECTION SPECIFICATIONS...2995
      O-ring Face Seal Connection...2995
      Straight Thread O-ring Fitting...2995
      Tubelines And Hoses...2995
      Flare Fitting...2996
      O-ring Flare Fitting...2997
      Port Seal Fitting...2999
    HYDRAULIC FLUID SPECIFICATIONS...3001
      Specifications...3001
    FUEL, COOLANT AND LUBRICANTS...3003
      Chart...3003
    CONVERSIONS...3005
      Decimal And Millimeter Equivalents...3005
      U.S. To Metric Conversion...3005
  SMR...3007
    337/341-1...3007
    337/341-2...3009
    337/341-3...3011
    337/341-4...3013
    337/341-5...3015
    337/341-6...3017
    337/341-7...3019
    337/341-8...3021
    337/341-9...3023
6902614 (2-04) - 337, 341 Operation & Maintenance Manual...3025
  OPERATOR SAFETY WARNING...3027
  CONTENTS...3029
  FOREWORD...3031
    BOBCAT COMPANY IS ISO 9001:2000 CERTIFIED...3033
    REGULAR MAINTENANCE ITEMS...3033
    MOTOR OIL...3033
    SERIAL NUMBER LOCATIONS...3035
      Excavator Serial Number...3035
      Engine Serial Number...3035
    DELIVERY REPORT...3036
    BOBCAT EXCAVATOR IDENTIFICATION...3037
    FEATURES AND ACCESSORIES...3038
      Standard Items...3038
      Options and Accessories...3038
      Other...3038
      Attachments...3038
      Buckets...3038
  SAFETY INSTRUCTIONS...3039
    SAFETY INSTRUCTIONS...3041
      Before Operation...3041
      Safe Operation Is The Operator’s Responsibility...3042
      Safe Operation Needs A Qualified Operator...3042
      Fire Prevention...3043
    MACHINE SIGNS (DECALS)...3044
  OPERATING INSTRUCTIONS...3047
    INSTRUMENTS AND CONSOLES...3049
      Cab Interior Light (If Equipped)...3049
      Left Console...3049
      Right Console...3050
      Function Icons...3051
      Upperstructure Slew Brake...3052
      Raising And Lowering The Console...3052
      Two-Speed Travel...3053
    OPERATOR CANOPY (ROPS/TOPS)...3054
      Description...3054
    FALLING OBJECT GUARDS (FOGS)...3054
    OPERATOR CAB (ROPS/TOPS)...3055
      Emergency Exit...3055
      Cab Door...3056
      Front Window...3057
      Right Side Windows...3059
      Heating, Ventilation, and Air Conditioning Duct...3060
    STEERING LEVERS/FOOT PEDALS...3062
      Forward And Reverse Travel...3062
      Turning...3062
    HYDRAULIC CONTROLS...3064
      STD/ISO Selector Valve...3064
      ISO Control Pattern...3065
      Left Control Lever...3065
      Right Control Lever...3065
      Standard Control Pattern...3066
      Left Control Lever...3066
      Right Control Lever...3066
    BLADE CONTROL LEVER...3067
    BOOM SWING PEDAL...3067
    DAILY INSPECTION...3068
      Service Schedule...3069
    PRE-STARTING PROCEDURE...3070
    STARTING THE ENGINE...3072
      Key Switch...3072
      Keyless Start...3073
      Cold Temperature Starting Procedure...3074
    WARMING THE HYDRAULIC SYSTEM...3076
    STOPPING THE ENGINE...3077
    ATTACHMENTS...3078
      Using The X-Change™ System...3078
      Installing Bucket Or Attachment (Pin On X-Change)...3078
      Removing Bucket Or Attachment (Pin On X-Change)...3081
      Installing Bucket Or Attachment (Bolt On X-Change)...3084
      Removing Bucket Or Attachment (Bolt On X-Change)...3088
      Quick Couplers...3090
      Auxiliary Hydraulics...3091
      Relieving Hydraulic Pressure...3091
      Return To Tank Valve (If Equipped)...3091
    OPERATING PROCEDURE...3092
      Lowering The Work Equipment With The Engine Stopped...3092
      Operating On Public Roads...3092
      Lifting A Load...3092
      Excavating...3093
      Boom Swing...3095
      Backfilling...3096
      Driving The Excavator...3096
      Operating On Slopes...3097
      Operating In Water...3099
    PARKING THE EXCAVATOR...3100
    TRANSPORTING THE EXCAVATOR...3101
    LIFTING THE EXCAVATOR...3102
  PREVENTIVE MAINTENANCE...3103
    MAINTENANCE SAFETY...3105
    SERVICE SCHEDULE...3107
      Chart...3107
    TAILGATE...3108
      Opening And Closing The Tailgate...3108
      Adjusting The Bumper...3108
      Adjusting The Latch...3108
    RIGHT SIDE COVER...3109
      Opening And Closing The Right Side Cover...3109
    AIR CLEANER...3110
      Daily Check...3110
      Replacing The Filters...3110
    SEAT BELT...3112
      Inspection And Maintenance...3112
    HEATER AIR FILTER (WITH CAB OPTION ONLY)...3113
      Removal And Installation...3113
    FUEL SYSTEM...3114
      Fuel Specifications...3114
      Filling The Fuel Tank...3114
      Removing Water From The Fuel Filter...3115
      Draining The Fuel Tank...3115
      Fuel Filter...3116
      Removing Air From The Fuel System...3116
    ENGINE LUBRICATION SYSTEM...3117
      Checking Engine Oil...3117
      Oil Chart...3117
      Replacing Oil And Filter...3118
    COOLING SYSTEM...3119
      Cleaning The Cooling System...3119
      Checking Coolant Level...3120
      Replacing The Coolant...3121
    ELECTRICAL SYSTEM...3122
      Description...3122
      Fuse And Relay Location...3122
      Using A Booster Battery (Jump Starting)...3123
      Removing And Installing The Battery...3124
    HYDRAULIC SYSTEM...3125
      Checking And Adding Hydraulic Oil...3125
      Replacing The Hydraulic Oil...3126
      Replacing The Hydraulic Filter...3127
      Replacing The Case Drain Filter...3127
      Diagnostic Couplers...3128
    SPARK ARRESTOR MUFFLER...3129
    TRACK TENSION...3130
      Adjustment...3131
    ENGINE ACCESSORY DRIVE BELT...3132
      Belt Tension...3132
      Belt Adjustment...3132
    TRAVEL MOTOR...3133
      Checking Oil Level...3133
      Draining The Travel Motor...3133
    X-CHANGE ™...3134
      Inspection And Maintenance...3134
    LUBRICATION OF THE HYDRAULIC EXCAVATOR...3135
  SYSTEM SETUP AND ANALYSIS...3139
    DIAGNOSTICS SERVICE CODE...3141
      Number Codes List...3141
    DELUXE INSTRUMENT PANEL SETUP...3142
      Passwords...3142
      Password Entry (For Starting and Operating the Machine)...3142
      Changing The Operator Password...3142
      Password Lockout Feature...3143
      Job Clock...3143
      RPM...3143
  MACHINE SIGN TRANSLATIONS...3145
    WARNING (6808185)...3147
      ADVERTENCIA (SPANISH)...3147
      AVERTISSEMENT (FRENCH)...3147
    LIFT CHART...3148
      337 (6817057)...3148
      337 W/ COUNTERWEIGHT KIT (6817163)...3150
      341 (6817058)...3152
    SERVICE SCHEDULE (6817082)...3154
    WARNING (6807776)...3156
    WARNING (6804114, 6577754, 6809832, 6804233)...3158
      ADVERTENCIA (SPANISH)...3158
      AVERTISSEMENT (French)...3158
      ADVERTENCIA (SPANISH)...3158
      AVERTISSEMENT (FRENCH)...3158
      ADVERTENCIA (SPANISH)...3158
      AVERTISSEMENT (French)...3158
      ADVERTENCIA (SPANISH)...3158
      AVERTISSEMENT (French)...3158
    WARNING (6817815, 6808474)...3159
      ADVERTENCIA (SPANISH)...3159
      AVERTISSEMENT (French)...3159
    WARNING (6815915)...3160
    USING THE PIN ON X-CHANGE ™ SYSTEM (6818059)...3160
    WARNING (6809829)...3161
    JOYSTICK CONTROL PATTERN SELECTOR LEVER (6815957)...3161
  SPECIFICATIONS...3163
    SPECIFICATIONS...3165
      Excavator Machine Dimensions...3165
      337 Excavator Machine Dimensions...3166
      341 Excavator Machine Dimensions...3167
      Performance...3168
      Controls...3168
      Engine...3168
      Hydraulic System...3169
      Hydraulic Cylinders...3169
      Hydraulic Cycle Times...3170
      Drive System...3170
      Undercarriage...3170
      Track...3171
      Electrical...3171
    FUEL, COOLANT AND LUBRICANTS...3172
      Chart...3172
    LIFT CHART...3173
      337 Excavator...3173
      337 Excavator (W/ Counterweight)...3173
    LIFT CHART...3174
      341 Excavator...3174
    ADDITIONAL PUBLICATIONS AND TRAINING MATERIALS...3175
  WARRANTY...3177
6902741 (11-07) - 337, 341 Service Manual...3178
  MAINTENANCE SAFETY...3180
  ALPHABETICAL INDEX...3182
  CONTENTS...3184
    FOREWORD...3186
    SAFETY INSTRUCTIONS...3188
    FIRE PREVENTION...3190
      Maintenance...3190
      Operation...3190
      Electrical...3190
      Hydraulic System...3190
      Fueling...3190
      Starting...3190
      Spark Arrestor Exhaust System...3190
      Welding And Grinding...3191
      Fire Extinguishers...3191
    SERIAL NUMBER LOCATIONS...3192
      Excavator Serial Number...3192
      Engine Serial Number...3192
    DELIVERY REPORT...3193
    BOBCAT EXCAVATOR IDENTIFICATION...3194
  SAFETY AND MAINTENANCE...3196
    LIFTING AND BLOCKING THE EXCAVATOR...3198
    LIFTING THE EXCAVATOR...3200
    OPERATOR CAB (ROPS/TOPS)...3202
      Emergency Exit...3202
      Cab Door...3203
    TRANSPORTING THE EXCAVATOR...3204
    TAILGATE...3206
      Opening And Closing The Tailgate...3206
      Adjusting The Bumper...3206
      Adjusting The Latch...3206
    RIGHT SIDE COVER...3208
      Opening And Closing The Right Side Cover...3208
    SERVICE SCHEDULE...3210
      Chart...3210
    AIR CLEANER...3212
      Checking...3212
      Replacing The Filters...3212
    HEATER AIR FILTER...3214
      Fresh Air Filter...3214
    COOLING SYSTEM...3216
      Cleaning The Cooling System...3216
      Checking Coolant Level...3216
      Replacing The Coolant...3217
    FUEL SYSTEM...3218
      Fuel Specifications...3218
      Filling The Fuel Tank...3218
      Removing Water From The Fuel Filter...3218
      Draining The Fuel Tank...3219
      Fuel Filter...3219
      Removing Air From The Fuel System...3220
    ENGINE LUBRICATION SYSTEM...3222
      Checking Engine Oil...3222
      Oil Chart...3222
      Replacing Oil And Filter...3223
    HYDRAULIC SYSTEM...3224
      Checking And Adding Hydraulic Oil...3224
      Replacing The Hydraulic Oil...3225
      Replacing The Hydraulic Filter...3226
      Replacing The Case Drain Filter...3226
      Diagnostic Couplers...3227
    LUBRICATION OF THE EXCAVATOR...3228
      Procedure...3228
    TRAVEL MOTOR...3232
      Checking Oil Level...3232
      Draining The Travel Motor...3232
    SPARK ARRESTOR MUFFLER...3234
    ENGINE ACCESSORY DRIVE BELT...3236
      Belt Tension...3236
      Belt Adjustment...3236
    SEAT BELT...3238
      Inspection And Maintenance...3238
  HYDRAULIC SYSTEM...3240
    HYDRAULIC / HYDROSTATIC SCHEMATICS...3246
    HYDRAULIC SYSTEM INFORMATION...3252
      Glossary Of Hydraulic/Hydrostatic Symbols For Excavators...3252
      Troubleshooting The Hydraulic Circuit...3255
      Troubleshooting The Cylinder Circuit...3256
      Troubleshooting The Upperstructure Slew Circuit...3257
      Troubleshooting The Travel Circuit...3258
      Description...3259
    BOOM CYLINDER...3262
      Testing...3262
      Removal And Installation...3264
      Parts Identification...3266
      Disassembly...3267
      Assembly...3271
    ARM CYLINDER...3276
      Testing...3276
      Removal and Installation...3278
      Parts Identification...3280
      Disassembly...3281
      Assembly...3284
    BOOM SWING CYLINDER...3288
      Testing...3288
      Removal And Installation...3289
      Parts Identification...3291
      Disassembly...3292
      Assembly...3295
    BUCKET CYLINDER...3300
      Testing...3300
      Removal And Installation...3302
      Parts Identification...3303
      Disassembly...3304
      Assembly...3306
    BLADE CYLINDER...3310
      Testing...3310
      Removal And Installation...3311
      Parts Identification...3312
      Disassembly...3313
      Assembly...3315
    CLAMP CYLINDER...3318
      Testing...3318
      Removal And Installation...3319
      Parts Identification...3320
      Disassembly...3321
      Assembly...3324
    MAIN RELIEF VALVE...3330
    PORT RELIEF VALVES...3332
      Port Relief Valve Pressure Setting...3332
      Parts Identification...3332
      Adjustment Procedure...3333
    CROSSPORT RELIEF VALVE...3334
      Testing And Adjusting The Crossport Relief Valve...3334
      Removal And Installation...3337
      Parts Identification...3338
      Disassembly And Assembly...3339
    PRESSURE REDUCING VALVE...3344
      Description...3344
    HYDRAULIC CONTROL VALVE...3346
      Removal And Installation...3346
      Parts Identification...3350
      Disassembly And Assembly...3351
      Slew Valve Section...3352
      Boom Swing Valve Section...3361
      Blade Valve Section (S/N 234611001-234611163 And S/N 234711001-234711197)...3368
      Blade Valve Section (S/N 234611164 & Above And 234711198 & Above)...3376
      Bucket Valve Section...3387
      Arm Valve Section...3393
      Boom Valve Section...3399
      Auxiliary Valve Section...3405
      Right Travel Valve Section...3413
      Left Travel Valve Section...3417
      Inlet Section...3421
    HYDRAULIC PUMP (234611001 - 234613190, 234613193 - 234613247, 234711001 - 234713440)...3426
      Hydraulic Pump Work Sheet...3426
      Pump Testing...3429
      Test Fitting Installation...3429
      Torque Limiter Adjustment...3439
      Removal And Installation...3442
      Coupler Removal And Installation...3443
      Hydraulic Pump Start Up...3444
      Torque Limiter Valve Parts Identification...3445
      Torque Limiter Valve Removal...3446
      Torque Limiter Valve Disassembly...3446
      Torque Limiter Valve Assembly...3451
      Initial Torque Limiter Valve Setting...3454
      Torque Limiter Valve Installation...3456
      Pump Control Parts Identification...3457
      Pump Control Removal And Installation...3458
      Pump Control Disassembly And Assembly...3458
      Parts Identification...3464
      Disassembly...3465
      Assembly...3474
    HYDRAULIC PUMP (S/N 234613191, 234613192, 234613248 & ABOVE, 234713441 & ABOVE)...3484
      Hydraulic Pump Work Sheet...3484
      Pump Testing...3487
      Test Fitting Installation...3487
      Torque Limiter Adjustment...3496
      Removal And Installation...3499
      Coupler Removal And Installation...3500
      Hydraulic Pump Start Up...3501
      Torque Limiter Assembly Parts Identification...3502
      Torque Limiter Valve Assembly Removal And Installation...3503
      Torque Limiter Valve Assembly Disassembly And Assembly...3503
      Pump Control Parts Identification...3504
      Pump Control Removal And Installation...3505
      Pump Control Disassembly And Assembly...3505
      Parts Identification...3511
      Disassembly And Assembly...3512
    MANIFOLD ASSEMBLY/ACCUMULATOR...3520
      Description...3520
      Testing Pilot Pressure...3520
      Adjusting The Pilot Pressure...3522
      Removal And Installation...3523
      Manifold Assembly/Accumulator Parts Identification...3526
      Disassembly And Assembly...3527
    TRAVEL MOTOR...3538
      Removal And Installation...3538
      Parts Identification...3539
      Disassembly...3540
      Assembly...3550
    SWIVEL JOINT...3562
      Removal And Installation...3562
      Parts Identification...3563
      Disassembly...3564
      Assembly...3565
    SWING MOTOR...3570
      Removal And Installation...3570
      Parts Identification...3574
      Disassembly...3575
      Inspection...3579
      Assembly...3580
    SWING MOTOR DRIVE CARRIER...3586
      Removal And Installation...3586
      Parts Identification...3588
      Checking The Drive Carrier Shaft End Play...3589
      Disassembly...3590
      Inspection...3592
      Assembly...3593
    CONTROL PATTERN SELECTOR VALVE...3598
      Removal And Installation...3598
      Parts Identification...3599
      Disassembly...3600
      Assembly...3601
    RIGHT CONTROL LEVER (JOYSTICK)...3602
      Testing...3602
      Handle Removal And Installation...3604
      Joystick Assembly Removal And Installation...3608
      Parts Identification...3611
      Disassembly...3612
      Assembly...3617
    LEFT CONTROL LEVER (JOYSTICK)...3622
      Testing...3622
      Handle Removal And Installation...3624
      Joystick Assembly Removal And Installation...3627
      Parts Identification...3629
      Disassembly...3630
      Assembly...3635
    TRAVEL CONTROL VALVE...3640
      Removal and Installation...3640
      Parts Identification...3642
      Disassembly And Assembly...3643
    HYDRAULIC FILTER MOUNT...3646
      Removal And Installation...3646
    HYDRAULIC RESERVOIR...3648
      Removal And Installation...3648
    OIL COOLER...3652
      Removal And Installation...3652
    DUAL SEQUENCE VALVE...3654
      Removal And Installation...3654
      Parts Identification...3656
      Disassembly And Assembly...3657
    DIRECT TO TANK VALVE...3660
      Removal And Installation...3660
      Parts Identification...3661
      Disassembly And Assembly...3662
    BUILD UP VALVE...3664
      Removal And Installation...3664
      Parts Identification...3665
      Disassembly And Assembly...3666
    CASE DRAIN FILTER MOUNT...3670
      Removal And Installation...3670
    REMOVING AIR FROM HYDRAULIC SYSTEM...3672
      Procedure...3672
    BOOM SWING LOCK VALVE...3674
      Description...3674
      Removal And Installation...3674
      Parts Identification...3676
      Disassembly...3677
      Assembly...3680
    HYDRAULIC X-CHANGE VALVE...3684
      Removal And Installation...3684
      Parts Identification...3688
      Disassembly...3689
      Assembly...3697
  UNDERCARRIAGE...3704
    BLADE...3706
      Removal And Installation...3706
    TRACKS...3708
      Track Lug Height...3708
      Rubber Track Clearance...3709
      Rubber Track Adjustment...3710
      Steel Track Clearance...3711
      Steel Track Adjustment...3712
      Rubber Track Removal And Installation...3713
      Steel Track Removal...3716
      Steel Track Installation...3718
      Track Shoe Removal And Installation...3720
    TRACK FRAME (S/N 234611163 & BELOW AND 234711197 & BELOW)...3722
      Disassembly And Assembly...3722
      Recoil Spring Cylinder Disassembly And Assembly...3725
    TRACK FRAME (S/N 234611164 & ABOVE AND 234711198 & ABOVE)...3726
      Disassembly And Assembly...3726
      Recoil Spring Cylinder Disassembly And Assembly...3729
    TRACK DAMAGE IDENTIFICATION...3730
      Cutting Of Steel Cords...3730
      Abrasion Of Embedded Metals...3731
      Separation Of Embedded Metals...3732
      Separation Of Embedded Metals Due To Corrosion...3733
      Cuts On The Lug Side Rubber...3734
      Cracks On The Lug Side Rubber Due To Fatigue...3735
      Lug Abrasion...3736
      Cracks And Cuts On The Lug Side Rubber...3737
      Abrasion Of The Track Roller Side...3738
      Cuts On The Edges Of Track Roller Side...3739
    TRACK IDLER (S/N 234611163 & BELOW AND 234711197 & BELOW)...3742
      Parts Identification...3742
      Disassembly...3743
      Assembly...3745
    TRACK IDLER (S/N 234611164 & ABOVE AND 234711198 & ABOVE)...3748
      Parts Identification...3748
      Disassembly...3749
      Assembly...3751
    TRACK ROLLER (S/N 234611163 & BELOW AND 234711197 & BELOW)...3754
      Parts Identification...3754
      Disassembly...3755
      Assembly...3757
    TRACK ROLLER (S/N 234611164 & ABOVE AND 234711198 & ABOVE)...3760
      Parts Identification (Upper Roller)...3760
      Disassembly (Upper Roller)...3761
      Assembly (Upper Roller)...3763
      Parts Identification (Lower Roller)...3765
      Disassembly (Lower Roller)...3766
      Assembly (Lower Roller)...3768
    SWING CIRCLE GEAR (S/N 234611163 & BELOW AND 234711197 & BELOW)...3770
      Swing Bearing Removal...3770
      Swing Bearing Installation...3771
    SWING CIRCLE GEAR (S/N 234611164 & ABOVE AND 234711198 & ABOVE)...3772
      Swing Bearing Removal...3772
      Swing Bearing Installation...3773
  UPPERSTRUCTURE & SWING SECTION...3774
    UPPERSTRUCTURE...3778
      Removal...3778
      Installation...3781
    ROPS CANOPY...3784
      Removal And Installation...3784
    CAB...3788
      Removal And Installation...3788
      Door Removal And Installation...3793
      Front Window Removal And Installation...3794
      Right Side Rear Sliding Window Removal And Installation...3797
      Right Side Front Sliding Window Removal And Installation...3798
      Right Side Front And Rear Sliding Window Weather Strip Removal And Installation...3799
      Right Side Front And Rear Sliding Window Wiper Strip Removal And Installation...3799
      Glass Removal...3800
      Glass Installation...3801
    SEAT AND SEAT MOUNT...3804
      Removal And Installation...3804
    RIGHT CONSOLE...3806
      Console Cover Removal And Installation...3806
      Console Base Removal And Installation...3807
    LEFT CONSOLE...3810
      Lower Console Cover Removal And Installation...3810
      Upper Console Cover Removal And Installation...3812
      Compression Spring Removal And Installation...3813
      Compression Spring Disassembly And Assembly...3814
      Lock Lever Removal And Installation...3816
      Console Removal And Installation...3817
      Disassembly And Assembly...3823
      Console Switch Removal And Installation...3826
      Console Base Removal And Installation...3827
    ENGINE SPEED CONTROL...3828
      Removal And Installation...3828
    ENGINE SPEED CONTROL (CONT’D)...3829
      Adjustment (Later Models)...3829
    BLADE CONTROL...3830
      Lever Removal And Installation...3830
      Linkage Removal And Installation...3831
      Linkage Disassembly And Assembly...3832
      Linkage Bar Removal And Installation...3834
      Lower Linkage Removal And Installation...3835
      Lower Linkage Disassembly And Assembly...3837
    RIGHT PEDAL AND LINKAGE...3840
      Pedal Removal And Installation...3840
      Pedal Disassembly And Assembly...3841
      Lower Linkage Removal And Installation...3843
      Lower Linkage Disassembly And Assembly...3845
      Bellcrank Removal And Installation...3846
    TRAVEL CONTROLS...3848
      Removal And Installation...3848
      Disassembly And Assembly...3849
      Adjustment...3851
    CONTROL LINKAGE ASSEMBLY...3854
      Removal And Installation...3854
    FLOORMAT AND FLOOR PLATE...3856
      Removal And Installation...3856
    FUEL TANK...3858
      Removal And Installation...3858
    HORN...3860
      Removal And Installation...3860
    SWING FRAME...3862
      Boom Swing Bracket Removal And Installation...3862
      Boom Swing Bracket Hose Installation...3866
      Swing Bracket Bushing Removal...3867
      Swing Bracket Bushing Installation...3868
      Boom Pivot Pin Bushing Removal...3869
      Boom Pivot Pin Bushing Installation...3870
    BOOM...3872
      Removal And Installation...3872
      Boom Pivot Pin Bushing Removal And Installation...3873
    ARM...3874
      Removal And Installation...3874
    BUCKET...3876
      Bucket Teeth Removal And Installation...3876
    TAILGATE...3878
      Removal And Installation...3878
      Latch Removal And Installation...3879
      Striker Removal And Installation...3880
    X-CHANGE...3882
      Removal And Installation...3882
      Parts Identification...3884
      Disassembly...3885
      Assembly...3890
      Check Proper Latch Engagement...3896
    X-CHANGE (PIN ON)...3900
      Removal And Installation...3900
      Parts Identification...3902
      Disassembly And Assembly...3903
    X-CHANGE (HYDRAULIC)...3904
      Removal And Installation...3904
      Parts Identification...3907
      Disassembly...3908
      Assembly...3913
  ELECTRICAL SYSTEM AND ANALYSIS...3922
    ELECTRICAL SCHEMATICS...3924
    ELECTRICAL SYSTEM INFORMATION...3927
      Troubleshooting Chart...3927
      Description...3928
      Fuse And Relay Location...3928
    BATTERY...3929
      Servicing...3929
      Removing And Installing The Battery...3930
      Using A Booster Battery (Jump Starting)...3931
    ALTERNATOR...3933
      Engine Accessory Drive Belt...3933
      Removal And Installation...3934
      Alternator Identification...3936
      Charging System Check...3937
      Alternator Voltage Test...3938
      Low Voltage Test...3939
      High Voltage Test...3940
      Rectifier Continuity (Diode) Test...3941
      Alternator Regulator Test...3942
      Parts Identification...3943
      Disassembly...3944
      Stator Continuity Test...3945
      Stator Ground Test...3945
      Rotor Continuity Test...3945
      Rotor Ground Test...3945
      Assembly...3946
    STARTER...3947
      Removal And Installation...3947
      Parts Identification...3948
      Disassembly...3949
      Inspection And Repair...3954
      Assembly...3957
    LIGHTS...3963
      Removal And Installation...3963
      Disassembly And Assembly...3965
    TWO SPEED SWITCH...3967
      Removal And Installation...3967
    FUEL LEVEL SENDER...3969
      Removal And Installation...3969
      Testing And Inspection...3970
    DIAGNOSTICS SERVICE CODE...3971
      Number Codes List...3971
    DELUXE INSTRUMENT PANEL SETUP...3973
      Passwords...3973
      Password Entry (For Starting And Operating The Machine)...3973
      Changing The Owner or Operator Password...3973
      Password Lockout Feature...3974
      Job Clock...3974
      RPM...3974
  ENGINE SERVICE...3975
    TROUBLESHOOTING...3977
      Chart...3977
    MUFFLER...3979
      Removal And Installation...3979
    AIR CLEANER...3981
      Removal And Installation...3981
    RADIATOR...3983
      Removal And Installation...3983
    ENGINE COMPONENTS AND TESTING...3985
      Engine Compression Checking...3985
      Glow Plugs Removal And Installation...3986
      Checking The Glow Plug...3987
      Fuel Shut-off Solenoid Removal And Installation...3988
      Fuel Injection Pump Check...3989
      Fuel Injection Pump Removal And Installation...3989
      Fuel Injection Pump Timing...3993
      Fuel Injector Nozzles Removal And Installation...3995
      Fuel Injector Nozzle Check...3998
      Valve Clearance Adjustment...3999
    ENGINE...4001
      Removal And Installation...4001
    ENGINE FLYWHEEL...4007
      Flywheel Removal And Installation...4007
      Hydraulic Pump Coupler...4009
      Flywheel Ring Gear...4009
    RECONDITIONING THE ENGINE...4011
      Cylinder Head Removal And Installation...4011
      Cylinder Head Disassembly And Assembly...4014
      Cylinder Head Servicing...4015
      Cylinder Head Top Clearance...4015
      Valve Guide Checking...4016
      Reconditioning The Valve And Valve Seat...4018
      Valve Spring...4019
      Rocker Arm And Shaft Checking...4020
      Timing Gearcase Cover Removal And Installation...4021
      Idler Gear And Camshaft Removal And Installation...4024
      Camshaft Servicing...4025
      Idler Gear And Shaft Servicing...4026
      Timing Gears Checking Backlash...4027
      Fuel Camshaft Removal And Installation...4027
      Fuel Camshaft Governor...4028
      Crankshaft Gear Removal And Installation...4028
      Oil Pump Removal And Installation...4029
      Oil Pump Service...4029
      Checking Engine Oil Pressure...4030
      Valve Tappets...4031
      Piston And Connecting Rod Removal And Installation...4031
      Piston And Connecting Rod Servicing...4033
      Connecting Rod Alignment...4035
      Crankshaft And Bearings Removal And Installation...4036
      Crankshaft And Bearings, Servicing...4038
      Cylinder Bore, Checking...4042
      Water Pump Removal And Installation...4042
      Water Pump Disassembly And Assembly...4043
      Fan Removal And Installation...4043
  HEATING, VENTILATION, AIR CONDITIONING...4045
    HEATER COIL (EARLY MODELS)...4049
      Removal And Installation With A/C...4049
      Removal And Installation Without A/C...4049
    HEATER COIL (LATER MODELS)...4051
      Removal And Installation With A/C...4051
      Removal And Installation Without A/C...4051
    BLOWER FAN (EARLY MODELS)...4053
      Removal And Installation...4053
      Disassembly And Assembly...4054
    BLOWER FAN (LATER MODELS)...4057
      Removal And Installation...4057
      Disassembly And Assembly...4058
      Resistor Removal And Installation...4059
    HEATER VALVE (EARLY MODELS)...4061
      Removal And Installation...4061
    HEATER VALVE (LATER MODELS)...4065
      Removal And Installation...4065
    AIR CONDITIONING SYSTEM FLOW...4070
      Principals...4070
      Chart...4071
    COMPONENTS...4073
      Identification...4073
    SAFETY...4077
      Safety Equipment...4077
    REGULAR MAINTENANCE...4079
      Heater Air Filter...4079
      Engine Accessory Drive Belt Inspection...4079
      Cleaning The Condenser...4080
    BASIC TROUBLESHOOTING (EARLY MODELS)...4081
      Poor A/C Performance...4081
      Cleaning The A/C Evaporator Coil & Heater Coil...4082
      Engine Accessory Drive Belt Inspection...4083
      Checking The Electrical System...4084
      Engine Coolant By-Passing The Heater Valve...4095
    BASIC TROUBLESHOOTING (LATER MODELS)...4097
      Poor A/C Performance...4097
      Cleaning The A/C Evaporator Coil & Heater Coil...4098
      Engine Accessory Drive Belt Inspection...4099
      Checking The Electrical System...4100
      Engine Coolant By-Passing The Heater Valve...4111
    GENERAL AIR CONDITIONING SERVICE GUIDELINES...4113
      Compressor Oil...4113
      Compressor Oil Check...4114
      Component Replacement And Refrigeration Leaks...4116
    SYSTEM TROUBLESHOOTING CHART...4117
      Blower Motor Does Not Operate...4117
      Gauge Pressure Related Troubleshooting...4118
    TEMPERATURE/PRESSURE...4121
      Chart...4121
    AIR CONDITIONING SERVICE...4123
      Chart...4123
    SYSTEM CHARGING AND RECLAMATION...4125
      Reclamation Procedure...4125
      Charging Procedure With A Manifold Gauge Set...4128
    COMPRESSOR...4131
      Removal And Installation...4131
      Compressor Clutch Disassembly And Assembly...4133
    CONDENSER...4137
      Removal And Installation...4137
    RECEIVER/DRIER...4139
      Removal And Installation...4139
    PRESSURE RELIEF VALVE...4141
      Removal And Installation...4141
    PRESSURE SWITCH...4143
      Removal And Installation...4143
    EVAPORATOR/HEATER UNIT (EARLY MODELS)...4145
      Removal And Installation...4145
      Disassembly And Assembly...4147
    EVAPORATOR/HEATER UNIT (LATER MODELS)...4149
      Removal And Installation...4149
      Disassembly And Assembly...4150
    THERMOSTAT (EARLY MODELS)...4151
      Removal And Installation...4151
    THERMOSTAT (LATER MODELS)...4153
      Removal And Installation...4153
    EXPANSION VALVE (EARLY MODELS)...4155
      Removal And Installation...4155
    EVAPORATOR VALVE (LATER MODELS)...4157
      Removal And Installation...4157
    EVAPORATOR (EARLY MODELS)...4159
      Removal And Installation...4159
    EVAPORATOR (LATER MODELS)...4161
      Removal And Installation...4161
  SPECIFICATIONS...4163
    SPECIFICATIONS...4165
      Excavator Machine Dimensions (S/N 234611001 - 234611163 And 234711001 - 234711197)...4165
      337 Excavator Machine Dimensions (S/N 234611001 - 234611163 And 234711001 - 234711197)...4166
      341 Excavator Machine Dimensions (S/N 234611001 - 234611163 And 234711001 - 234711199)...4167
      Excavator Machine Dimensions (S/N 234611164 & Above And 234711198 & Above)...4168
      337 Excavator Machine Dimensions (S/N 234611164 & Above And 234711198 & Above)...4169
      341 Excavator Machine Dimensions (S/N 234611164 & Above And 234711198 & Above)...4170
      Performance...4171
      Controls...4171
      Engine...4172
      Hydraulic System...4172
      Hydraulic Cylinders (S/N 234611001 - 234611163 And 234711001 - 234711197)...4173
      Hydraulic Cylinders (S/N 234611164 & Above And 234711198 & Above)...4173
      Hydraulic Cycle Times...4173
      Drive System...4173
      Undercarriage...4174
      Track...4174
      Electrical...4174
    ENGINE SPECIFICATIONS...4175
      Fuel Injection Nozzles...4175
      Fuel Injection Pump...4175
      Cylinder Head...4175
      Valves...4175
      Valve Springs...4176
      Valve Timing...4176
      Rocker Arms...4176
      Camshaft...4176
      Tappet...4176
      Cylinders...4177
      Piston Rings...4177
      Pistons...4177
      Connecting Rods...4177
      Oil Pump...4177
      Crankshaft...4178
      Timing Gear...4178
      Thermostat...4179
      Engine Bolt Torque...4179
      Crankshaft Re-Grind Data...4180
    TORQUE SPECIFICATIONS...4181
      Torque for General SAE Bolts...4181
      Torque For General Metric Bolts...4182
    HYDRAULIC CONNECTION SPECIFICATIONS...4183
      O-Ring Face Seal Connection...4183
      Straight Thread O-ring Fitting...4183
      Tubelines And Hoses...4183
      Flare Fitting...4184
      O-Ring Flare Fitting...4185
      Port Seal Fitting...4187
    HYDRAULIC FLUID SPECIFICATIONS...4189
      Specifications...4189
    FUEL, COOLANT AND LUBRICANTS...4191
      Chart...4191
    CONVERSIONS...4193
      Decimal And Millimeter Equivalents...4193
      U.S. To Metric Conversion Chart...4193
  SMR...4195
    337/341-1...4195
    337/341-2...4197
    337/341-3...4199
    337/341-4...4201
    337/341-5...4203
    337/341-6...4205
    337/341-7...4207
    337/341-8...4209
    337/341-9...4211
    337/341-10...4213
  SEARCH...3178
6902741 (11-09) - 337, 341 Service Manual...4215
  MAINTENANCE SAFETY...4217
  ALPHABETICAL INDEX...4219
  CONTENTS...4221
    FOREWORD...4223
    SAFETY INSTRUCTIONS...4225
    FIRE PREVENTION...4227
      Maintenance...4227
      Operation...4227
      Electrical...4227
      Hydraulic System...4227
      Fueling...4227
      Starting...4227
      Spark Arrestor Exhaust System...4227
      Welding And Grinding...4228
      Fire Extinguishers...4228
    SERIAL NUMBER LOCATIONS...4229
      Excavator Serial Number...4229
      Engine Serial Number...4229
    DELIVERY REPORT...4230
    BOBCAT EXCAVATOR IDENTIFICATION...4231
  SAFETY AND MAINTENANCE...4233
    LIFTING AND BLOCKING THE EXCAVATOR...4235
    LIFTING THE EXCAVATOR...4237
    OPERATOR CAB (ROPS/TOPS)...4239
      Emergency Exit...4239
      Cab Door...4240
    TRANSPORTING THE EXCAVATOR...4241
    TAILGATE...4243
      Opening And Closing The Tailgate...4243
      Adjusting The Bumper...4243
      Adjusting The Latch...4243
    RIGHT SIDE COVER...4245
      Opening And Closing The Right Side Cover...4245
    SERVICE SCHEDULE...4247
      Chart...4247
    AIR CLEANER...4249
      Checking...4249
      Replacing The Filters...4249
    HEATER AIR FILTER...4251
      Fresh Air Filter...4251
    COOLING SYSTEM...4253
      Cleaning The Cooling System...4253
      Checking Coolant Level...4253
      Replacing The Coolant...4254
    FUEL SYSTEM...4255
      Fuel Specifications...4255
      Filling The Fuel Tank...4255
      Removing Water From The Fuel Filter...4255
      Draining The Fuel Tank...4256
      Fuel Filter...4256
      Removing Air From The Fuel System...4257
    ENGINE LUBRICATION SYSTEM...4259
      Checking Engine Oil...4259
      Oil Chart...4259
      Replacing Oil And Filter...4260
    HYDRAULIC SYSTEM...4261
      Checking And Adding Hydraulic Oil...4261
      Replacing The Hydraulic Oil...4262
      Replacing The Hydraulic Filter...4263
      Replacing The Case Drain Filter...4263
      Diagnostic Couplers...4264
    LUBRICATION OF THE EXCAVATOR...4265
      Procedure...4265
    TRAVEL MOTOR...4269
      Checking Oil Level...4269
      Draining The Travel Motor...4269
    SPARK ARRESTOR MUFFLER...4271
    ENGINE ACCESSORY DRIVE BELT...4273
      Belt Tension...4273
      Belt Adjustment...4273
    SEAT BELT...4275
      Inspection And Maintenance...4275
  HYDRAULIC SYSTEM...4277
    HYDRAULIC / HYDRSTATIC SCHEMATICS...4283
    HYDRAULIC SYSTEM INFORMATION...4289
      Glossary Of Hydraulic/Hydrostatic Symbols For Excavators...4289
      Troubleshooting The Hydraulic Circuit...4292
      Troubleshooting The Cylinder Circuit...4293
      Troubleshooting The Upperstructure Slew Circuit...4294
      Troubleshooting The Travel Circuit...4295
      Description...4296
    BOOM CYLINDER...4299
      Testing...4299
      Removal And Installation...4301
      Parts Identification...4303
      Disassembly...4304
      Assembly...4308
    ARM CYLINDER...4313
      Testing...4313
      Removal and Installation...4315
      Parts Identification...4317
      Disassembly...4318
      Assembly...4321
    BOOM SWING CYLINDER...4325
      Testing...4325
      Removal And Installation...4326
      Parts Identification...4328
      Disassembly...4329
      Assembly...4332
    BUCKET CYLINDER...4337
      Testing...4337
      Removal And Installation...4339
      Parts Identification...4340
      Disassembly...4341
      Assembly...4343
    BLADE CYLINDER...4347
      Testing...4347
      Removal And Installation...4348
      Parts Identification...4349
      Disassembly...4350
      Assembly...4352
    CLAMP CYLINDER...4355
      Testing...4355
      Removal And Installation...4356
      Parts Identification...4357
      Disassembly...4358
      Assembly...4361
    MAIN RELIEF VALVE...4367
    PORT RELIEF VALVES...4369
      Port Relief Valve Pressure Setting...4369
      Parts Identification...4369
      Adjustment Procedure...4370
    CROSSPORT RELIEF VALVE...4371
      Testing And Adjusting The Crossport Relief Valve...4371
      Removal And Installation...4374
      Parts Identification...4375
      Disassembly And Assembly...4376
    PRESSURE REDUCING VALVE...4381
      Description...4381
    HYDRAULIC CONTROL VALVE...4383
      Removal And Installation...4383
      Parts Identification...4387
      Disassembly And Assembly...4388
      Slew Valve Section...4389
      Boom Swing Valve Section...4398
      Blade Valve Section (S/N 234611001-234611163 And S/N 234711001-234711197)...4405
      Blade Valve Section (S/N 234611164 & Above And 234711198 & Above)...4413
      Bucket Valve Section...4424
      Arm Valve Section...4430
      Boom Valve Section...4436
      Auxiliary Valve Section...4442
      Right Travel Valve Section...4450
      Left Travel Valve Section...4454
      Inlet Section...4458
    HYDRAULIC PUMP (234611001 - 234613190, 234613193 - 234613247, 234711001 - 234713440)...4463
      Hydraulic Pump Work Sheet...4463
      Pump Testing...4466
      Removal And Installation...4479
      Coupler Removal And Installation...4480
      Hydraulic Pump Start Up...4481
      Torque Limiter Valve Parts Identification...4482
      Torque Limiter Valve Removal...4483
      Torque Limiter Valve Disassembly...4483
      Torque Limiter Valve Assembly...4488
      Initial Torque Limiter Valve Setting...4491
      Torque Limiter Valve Installation...4493
      Pump Control Parts Identification...4494
      Pump Control Removal And Installation...4495
      Pump Control Disassembly And Assembly...4495
      Parts Identification...4501
      Disassembly...4502
      Assembly...4511
    HYDRAULIC PUMP (S/N 234613191, 234613192, 234613248 & Above, 2347133441 & above)...4521
      Hydraulic Pump Work Sheet...4521
      Pump Testing...4524
      Removal And Installation...4536
      Coupler Removal And Installation...4537
      Hydraulic Pump Start Up...4538
      Torque Limiter Assembly Parts Identification...4539
      Torque Limiter Valve Assembly Removal And Installation...4540
      Torque Limiter Valve Assembly Disassembly And Assembly...4540
      Pump Control Parts Identification...4541
      Pump Control Removal And Installation...4542
      Pump Control Disassembly And Assembly...4542
      Parts Identification...4548
      Disassembly And Assembly...4549
    MANIFOLD ASSEMBLY/ACCUMULATOR...4557
      Description...4557
      Testing Pilot Pressure...4557
      Adjusting The Pilot Pressure...4559
      Removal And Installation...4560
      Manifold Assembly/Accumulator Parts Identification...4563
      Disassembly And Assembly...4564
    TRAVEL MOTOR...4575
      Removal And Installation...4575
      Parts Identification...4576
      Disassembly...4577
      Assembly...4587
    SWIVEL JOINT...4599
      Removal And Installation...4599
      Parts Identification...4600
      Disassembly...4601
      Assembly...4602
    SWING MOTOR...4607
      Removal And Installation...4607
      Parts Identification...4611
      Disassembly...4612
      Inspection...4616
      Assembly...4617
    SWING MOTOR DRIVE CARRIER...4623
      Removal And Installation...4623
      Parts Identification...4625
      Checking The Drive Carrier Shaft End Play...4626
      Disassembly...4627
      Inspection...4629
      Assembly...4630
    CONTROL PATTERN SELECTOR VALVE...4635
      Removal And Installation...4635
      Parts Identification...4636
      Disassembly...4637
      Assembly...4638
    RIGHT CONTROL LEVER (JOYSTICK)...4639
      Testing...4639
      Handle Removal And Installation...4641
      Joystick Assembly Removal And Installation...4645
      Parts Identification...4648
      Disassembly...4649
      Assembly...4654
    LEFT CONTROL LEVER (JOYSTICK)...4659
      Testing...4659
      Handle Removal And Installation...4661
      Joystick Assembly Removal And Installation...4664
      Parts Identification...4666
      Disassembly...4667
      Assembly...4672
    TRAVEL CONTROL VALVE...4677
      Removal and Installation...4677
      Parts Identification...4679
      Disassembly And Assembly...4680
    HYDRAULIC FILTER MOUNT...4683
      Removal And Installation...4683
    HYDRAULIC RESERVOIR...4685
      Removal And Installation...4685
    OIL COOLER...4689
      Removal And Installation...4689
    DUAL SEQUENCE VALVE...4691
      Removal And Installation...4691
      Parts Identification...4693
      Disassembly And Assembly...4694
    DIRECT TO TANK VALVE...4697
      Removal And Installation...4697
      Parts Identification...4698
      Disassembly And Assembly...4699
    BUILD UP VALVE...4701
      Removal And Installation...4701
      Parts Identification...4702
      Disassembly And Assembly...4703
    CASE DRAIN FILTER MOUNT...4707
      Removal And Installation...4707
    REMOVING AIR FROM HYDRAULIC SYSTEM...4709
      Procedure...4709
    BOOM SWING LOCK VALVE...4711
      Description...4711
      Removal And Installation...4711
      Parts Identification...4713
      Disassembly...4714
      Assembly...4717
    HYDRAULIC X-CHANGE VALVE...4721
      Removal And Installation...4721
      Parts Identification...4725
      Disassembly...4726
      Assembly...4734
  UNDERCARRIAGE...4741
    BLADE...4743
      Removal And Installation...4743
    TRACKS...4745
      Track Lug Height...4745
      Rubber Track Clearance...4746
      Rubber Track Adjustment...4747
      Steel Track Clearance...4748
      Steel Track Adjustment...4749
      Rubber Track Removal And Installation...4750
      Steel Track Removal...4753
      Steel Track Installation...4755
      Track Shoe Removal And Installation...4757
    TRACK FRAME (S/N 234611163 & BELOW AND 234711197 & BELOW)...4759
      Disassembly And Assembly...4759
      Recoil Spring Cylinder Disassembly And Assembly (W/O Replaceable Shaft)...4762
      Recoil Spring Cylinder Parts Identification (With Replaceable Shaft)...4763
      Recoil Spring Cylinder Disassembly And Assembly (With Replaceable Shaft)...4764
    TRACK FRAME (S/N 234611164 & ABOVE AND 234711198 & ABOVE)...4767
      Disassembly And Assembly...4767
      Recoil Spring Cylinder Disassembly And Assembly (W/O Replaceable Shaft)...4770
      Recoil Spring Cylinder Parts Identification (With Replaceable Shaft)...4771
      Recoil Spring Cylinder Disassembly And Assembly (With Replaceable Shaft)...4772
    TRACK DAMAGE IDENTIFICATION...4775
      Cutting Of Steel Cords...4775
      Abrasion Of Embedded Metals...4776
      Separation Of Embedded Metals...4777
      Separation Of Embedded Metals Due To Corrosion...4778
      Cuts On The Lug Side Rubber...4779
      Cracks On The Lug Side Rubber Due To Fatigue...4780
      Lug Abrasion...4781
      Cracks And Cuts On The Lug Side Rubber...4782
      Abrasion Of The Track Roller Side...4783
      Cuts On The Edges Of Track Roller Side...4784
    TRACK IDLER (S/N 234611163 & BELOW AND 234711197 & BELOW)...4787
      Parts Identification...4787
      Disassembly...4788
      Assembly...4790
    TRACK IDLER (S/N 234611164 & ABOVE AND 234711198 & ABOVE)...4793
      Parts Identification...4793
      Disassembly...4794
      Assembly...4796
    TRACK ROLLER (S/N 234611163 & BELOW AND 234711197 & BELOW)...4799
      Parts Identification...4799
      Disassembly...4800
      Assembly...4802
    TRACK ROLLER (S/N 234611164 & ABOVE AND 234711198 & ABOVE)...4805
      Parts Identification (Upper Roller)...4805
      Disassembly (Upper Roller)...4806
      Assembly (Upper Roller)...4808
      Parts Identification (Lower Roller)...4810
      Disassembly (Lower Roller)...4811
      Assembly (Lower Roller)...4813
    SWING CIRCLE GEAR (S/N 234611163 & BELOW AND 234711197 & BELOW)...4815
      Swing Bearing Removal...4815
      Swing Bearing Installation...4816
    SWING CIRCLE GEAR (S/N 234611164 & ABOVE AND 234711198 & ABOVE)...4817
      Swing Bearing Removal...4817
      Swing Bearing Installation...4818
  UPPERSTRUCTURE & SWING SECTION...4819
    UPPERSTRUCTURE...4823
      Removal...4823
      Installation...4826
    ROPS CANOPY...4829
      Removal And Installation...4829
    CAB...4833
      Removal And Installation...4833
      Door Removal And Installation...4838
      Front Window Removal And Installation...4839
      Right Side Rear Sliding Window Removal And Installation...4842
      Right Side Front Sliding Window Removal And Installation...4843
      Right Side Front And Rear Sliding Window Weather Strip Removal And Installation...4844
      Right Side Front And Rear Sliding Window Wiper Strip Removal And Installation...4844
      Glass Removal...4845
      Glass Installation...4846
    SEAT AND SEAT MOUNT...4849
      Removal And Installation...4849
    RIGHT CONSOLE...4851
      Console Cover Removal And Installation...4851
      Console Base Removal And Installation...4852
    LEFT CONSOLE...4855
      Lower Console Cover Removal And Installation...4855
      Upper Console Cover Removal And Installation...4857
      Compression Spring Removal And Installation...4858
      Compression Spring Disassembly And Assembly...4859
      Lock Lever Removal And Installation...4861
      Console Removal And Installation...4862
      Disassembly And Assembly...4868
      Console Switch Removal And Installation...4871
      Console Base Removal And Installation...4872
    ENGINE SPEED CONTROL...4873
      Removal And Installation...4873
      Adjustment (Later Models)...4874
    BLADE CONTROL...4875
      Lever Removal And Installation...4875
      Linkage Removal And Installation...4876
      Linkage Disassembly And Assembly...4877
      Linkage Bar Removal And Installation...4879
      Lower Linkage Removal And Installation...4880
      Lower Linkage Disassembly And Assembly...4882
    RIGHT PEDAL AND LINKAGE...4885
      Pedal Removal And Installation...4885
      Pedal Disassembly And Assembly...4886
      Lower Linkage Removal And Installation...4888
      Lower Linkage Disassembly And Assembly...4890
      Bellcrank Removal And Installation...4891
    TRAVEL CONTROLS...4893
      Removal And Installation...4893
      Disassembly And Assembly...4894
      Adjustment...4896
    CONTROL LINKAGE ASSEMBLY...4899
      Removal And Installation...4899
    FLOORMAT AND FLOOR PLATE...4901
      Removal And Installation...4901
    FUEL TANK...4903
      Removal And Installation...4903
    HORN...4905
      Removal And Installation...4905
    SWING FRAME...4907
      Boom Swing Bracket Removal And Installation...4907
      Boom Swing Bracket Hose Installation...4911
      Swing Bracket Bushing Removal...4912
      Swing Bracket Bushing Installation...4913
      Boom Pivot Pin Bushing Removal...4914
      Boom Pivot Pin Bushing Installation...4915
    BOOM...4917
      Removal And Installation...4917
      Boom Pivot Pin Bushing Removal And Installation...4918
    ARM...4919
      Removal And Installation...4919
    BUCKET...4921
      Bucket Teeth Removal And Installation...4921
    CLAMP...4923
      Removal And Installation...4923
    TAILGATE...4925
      Removal And Installation...4925
      Latch Removal And Installation...4926
      Striker Removal And Installation...4927
    X-CHANGE...4929
      Removal And Installation...4929
      Parts Identification...4931
      Disassembly...4932
      Assembly...4937
      Check Proper Latch Engagement...4943
    X-CHANGE (PIN ON)...4947
      Removal And Installation...4947
      Parts Identification...4949
      Disassembly And Assembly...4950
    X-CHANGE (HYDRAULIC)...4951
      Removal And Installation...4951
      Parts Identification...4954
      Disassembly...4955
      Assembly...4960
  ELECTRICAL SYSTEM AND ANALYSIS...4969
    ELECTRICAL SCHEMATICS...4971
    ELECTRICAL SYSTEM INFORMATION...4974
      Troubleshooting Chart...4974
      Description...4975
      Fuse And Relay Location...4975
    BATTERY...4976
      Servicing...4976
      Removing And Installing The Battery...4977
      Using A Booster Battery (Jump Starting)...4978
    ALTERNATOR...4980
      Engine Accessory Drive Belt...4980
      Removal And Installation...4981
      Alternator Identification...4983
      Charging System Check...4984
      Alternator Voltage Test...4985
      Low Voltage Test...4986
      High Voltage Test...4987
      Rectifier Continuity (Diode) Test...4988
      Alternator Regulator Test...4989
      Parts Identification...4990
      Disassembly...4991
      Stator Continuity Test...4992
      Stator Ground Test...4992
      Rotor Continuity Test...4992
      Rotor Ground Test...4992
      Assembly...4993
    STARTER...4994
      Removal And Installation...4994
      Parts Identification...4995
      Disassembly...4996
      Inspection And Repair...5001
      Assembly...5004
    LIGHTS...5010
      Removal And Installation...5010
      Disassembly And Assembly...5012
    TWO SPEED SWITCH...5014
      Removal And Installation...5014
    FUEL LEVEL SENDER...5016
      Removal And Installation...5016
      Testing And Inspection...5017
    DIAGNOSTICS SERVICE CODE...5018
      Number Codes List...5018
    DELUXE INSTRUMENT PANEL SETUP...5020
      Passwords...5020
      Password Entry (For Starting And Operating The Machine)...5020
      Changing The Owner or Operator Password...5020
      Password Lockout Feature...5021
      Job Clock...5021
      RPM...5021
  ENGINE SERVICE...5022
    TROUBLESHOOTING...5024
      Chart...5024
    MUFFLER...5026
      Removal And Installation...5026
    AIR CLEANER...5028
      Removal And Installation...5028
    RADIATOR...5030
      Removal And Installation...5030
    ENGINE COMPONENTS AND TESTING...5032
      Engine Compression Checking...5032
      Glow Plugs Removal And Installation...5033
      Checking The Glow Plug...5034
      Fuel Shut-off Solenoid Removal And Installation...5035
      Fuel Injection Pump Check...5036
      Fuel Injection Pump Removal And Installation...5036
      Fuel Injection Pump Timing...5040
      Fuel Injector Nozzles Removal And Installation...5042
      Fuel Injector Nozzle Check...5045
      Valve Clearance Adjustment...5046
    ENGINE...5048
      Removal And Installation...5048
    ENGINE FLYWHEEL...5054
      Flywheel Removal And Installation...5054
      Hydraulic Pump Coupler...5056
      Flywheel Ring Gear...5056
    ENGINE FLYWHEEL (LATER MODELS)...5058
      Flywheel Removal And Installation...5058
      Hydraulic Pump Coupler...5061
      Flywheel Ring Gear...5061
    RECONDITIONING THE ENGINE...5062
      Cylinder Head Removal And Installation...5062
      Cylinder Head Disassembly And Assembly...5065
      Cylinder Head Servicing...5066
      Cylinder Head Top Clearance...5066
      Valve Guide Checking...5067
      Reconditioning The Valve And Valve Seat...5069
      Valve Spring...5070
      Rocker Arm And Shaft Checking...5071
      Timing Gearcase Cover Removal And Installation...5072
      Idler Gear And Camshaft Removal And Installation...5075
      Camshaft Servicing...5076
      Idler Gear And Shaft Servicing...5077
      Timing Gears Checking Backlash...5078
      Fuel Camshaft Removal And Installation...5078
      Fuel Camshaft Governor...5079
      Crankshaft Gear Removal And Installation...5079
      Oil Pump Removal And Installation...5080
      Oil Pump Service...5080
      Checking Engine Oil Pressure...5081
      Valve Tappets...5082
      Piston And Connecting Rod Removal And Installation...5082
      Piston And Connecting Rod Servicing...5084
      Connecting Rod Alignment...5086
      Crankshaft And Bearings Removal And Installation...5087
      Crankshaft And Bearings, Servicing...5089
      Cylinder Bore, Checking...5093
      Water Pump Removal And Installation...5093
      Water Pump Disassembly And Assembly...5094
      Fan Removal And Installation...5094
  HEATING, VENTILATION, AIR CONDITIONING...5096
    HEATER COIL (EARLY MODELS)...5100
      Removal And Installation With A/C...5100
      Removal And Installation Without A/C...5100
    HEATER COIL (LATER MODELS)...5102
      Removal And Installation With A/C...5102
      Removal And Installation Without A/C...5102
    BLOWER FAN (EARLY MODELS)...5104
      Removal And Installation...5104
      Disassembly And Assembly...5105
    BLOWER FAN (LATER MODELS)...5108
      Removal And Installation...5108
      Disassembly And Assembly...5109
      Resistor Removal And Installation...5110
    HEATER VALVE (EARLY MODELS)...5112
      Removal And Installation...5112
    HEATER VALVE (LATER MODELS)...5116
      Removal And Installation...5116
    AIR CONDITIONING SYSTEM FLOW...5120
      Principals...5120
      Chart...5121
    COMPONENTS...5122
      Identification...5122
    SAFETY...5126
      Safety Equipment...5126
    REGULAR MAINTENANCE...5128
      Heater Air Filter...5128
      Engine Accessory Drive Belt Inspection...5128
      Cleaning The Condenser...5129
    BASIC TROUBLESHOOTING (EARLY MODELS)...5130
      Poor A/C Performance...5130
      Cleaning The A/C Evaporator Coil & Heater Coil...5131
      Engine Accessory Drive Belt Inspection...5132
      Checking The Electrical System...5133
      Engine Coolant By-Passing The Heater Valve...5144
    BASIC TROUBLESHOOTING (LATER MODELS)...5146
      Poor A/C Performance...5146
      Cleaning The A/C Evaporator Coil & Heater Coil...5147
      Engine Accessory Drive Belt Inspection...5148
      Checking The Electrical System...5149
      Engine Coolant By-Passing The Heater Valve...5160
    GENERAL AIR CONDITIONING SERVICE GUIDELINES...5162
      Compressor Oil...5162
      Compressor Oil Check...5163
      Component Replacement And Refrigeration Leaks...5165
    SYSTEM TROUBLESHOOTING CHART...5166
      Blower Motor Does Not Operate...5166
      Gauge Pressure Related Troubleshooting...5167
    TEMPERATURE/PRESSURE...5170
      Chart...5170
    AIR CONDITIONING SERVICE...5172
      Chart...5172
    SYSTEM CHARGING AND RECLAMATION...5174
      Reclamation Procedure...5174
      Charging Procedure With A Manifold Gauge Set...5177
    COMPRESSOR...5180
      Removal And Installation...5180
      Compressor Clutch Disassembly And Assembly...5182
    CONDENSER...5186
      Removal And Installation...5186
    RECEIVER/DRIER...5188
      Removal And Installation...5188
    PRESSURE RELIEF VALVE...5190
      Removal And Installation...5190
    PRESSURE SWITCH...5192
      Removal And Installation...5192
    EVAPORATOR/HEATER UNIT (EARLY MODELS)...5194
      Removal And Installation...5194
      Disassembly And Assembly...5196
    EVAPORATOR/HEATER UNIT (LATER MODELS)...5198
      Removal And Installation...5198
      Disassembly And Assembly...5199
    THERMOSTAT (EARLY MODELS)...5200
      Removal And Installation...5200
    THERMOSTAT (LATER MODELS)...5202
      Removal And Installation...5202
    EXPANSION VALVE (EARLY MODELS)...5204
      Removal And Installation...5204
    EVAPORATOR VALVE (LATER MODELS)...5206
      Removal And Installation...5206
    EVAPORATOR (EARLY MODELS)...5208
      Removal And Installation...5208
    EVAPORATOR (LATER MODELS)...5210
      Removal And Installation...5210
  SPECIFICATIONS...5212
    SPECIFICATIONS...5214
      Excavator Machine Dimensions (S/N 234611001 - 234611163 And 234711001 - 234711197)...5214
      337 Excavator Machine Dimensions (S/N 234611001 - 234611163 And 234711001 - 234711197)...5215
      341 Excavator Machine Dimensions (S/N 234611001 - 234611163 And 234711001 - 234711199)...5216
      Excavator Machine Dimensions (S/N 234611164 & Above And 234711198 & Above)...5217
      337 Excavator Machine Dimensions (S/N 234611164 & Above And 234711198 & Above)...5218
      341 Excavator Machine Dimensions (S/N 234611164 & Above And 234711198 & Above)...5219
      Performance...5220
      Controls...5220
      Engine...5221
      Hydraulic System...5221
      Hydraulic Cylinders (S/N 234611001 - 234611163 And 234711001 - 234711197)...5222
      Hydraulic Cylinders (S/N 234611164 & Above And 234711198 & Above)...5222
      Hydraulic Cycle Times...5222
      Drive System...5222
      Undercarriage...5223
      Track...5223
      Electrical...5223
    ENGINE SPECIFICATIONS...5224
      Fuel Injection Nozzles...5224
      Fuel Injection Pump...5224
      Cylinder Head...5224
      Valves...5224
      Valve Springs...5225
      Valve Timing...5225
      Rocker Arms...5225
      Camshaft...5225
      Tappet...5225
      Cylinders...5226
      Piston Rings...5226
      Pistons...5226
      Connecting Rods...5226
      Oil Pump...5226
      Crankshaft...5227
      Timing Gear...5227
      Thermostat...5228
      Engine Bolt Torque...5228
      Crankshaft Re-Grind Data...5229
    TORQUE SPECIFICATIONS...5230
      Torque for General SAE Bolts...5230
      Torque For General Metric Bolts...5231
    HYDRAULIC CONNECTION SPECIFICATIONS...5232
      O-Ring Face Seal Connection...5232
      Straight Thread O-ring Fitting...5232
      Tubelines And Hoses...5232
      Flare Fitting...5233
      O-Ring Flare Fitting...5234
      Port Seal Fitting...5236
    HYDRAULIC FLUID SPECIFICATIONS...5238
      Specifications...5238
    FUEL, COOLANT AND LUBRICANTS...5240
      Chart...5240
    CONVERSIONS...5242
      Decimal And Millimeter Equivalents...5242
      U.S. To Metric Conversion Chart...5242
  SERVICE MANUAL REVISIONS...5244
    Revision No: 337/341-1...5244
    Revision No: 337/341-2...5246
    Revision No: 337/341-3...5248
    Revision No: 337/341-4...5250
    Revision No: 337/341-5...5252
    Revision No: 337/341-6...5254
    Revision No: 337/341-7...5256
    Revision No: 337/341-8...5258
    Revision No: 337/341-9...5260
    Revision No: 337/341-10...5262
    Revision No: 337/341-11...5264
    Revision No: 337/341-12...5266
6902741 (6-12) - 337, 341 Service Manual...5268
  MAINTENANCE SAFETY...5270
  CONTENTS...5272
  FOREWORD...5274
    FOREWORD...5276
    SAFETY INSTRUCTIONS...5278
    FIRE PREVENTION...5280
      Maintenance...5280
      Operation...5280
      Electrical...5280
      Hydraulic System...5280
      Fueling...5280
      Starting...5280
      Spark Arrester Exhaust System...5280
      Welding And Grinding...5281
      Fire Extinguishers...5281
    SERIAL NUMBER LOCATIONS...5282
      Excavator Serial Number...5282
      Engine Serial Number...5282
    DELIVERY REPORT...5283
    BOBCAT EXCAVATOR IDENTIFICATION...5284
  SAFETY & MAINTENANCE...5286
    LIFTING AND BLOCKING THE EXCAVATOR...5288
      Procedure...5288
    LIFTING THE EXCAVATOR...5290
      Procedure...5290
    OPERATOR CAB (ROPS / TOPS)...5292
      Emergency Exit...5292
      Cab Door...5293
    TRANSPORTING THE EXCAVATOR...5294
      Loading And Unloading...5294
      Fastening...5294
    TAILGATE...5296
      Opening And Closing The Tailgate...5296
      Adjusting The Bumper...5296
      Adjusting The Latch...5296
    RIGHT SIDE COVER...5298
      Opening And Closing The Right Side Cover...5298
    SERVICE SCHEDULE...5300
      Chart...5300
    AIR CLEANER...5302
      Checking...5302
      Replacing The Filters...5302
    HEATER AIR FILTER...5304
      Fresh Air Filter...5304
    COOLING SYSTEM...5306
      Cleaning The Cooling System...5306
      Checking Coolant Level...5306
      Replacing The Coolant...5307
    FUEL SYSTEM...5308
      Fuel Specifications...5308
      Filling The Fuel Tank...5308
      Removing Water From The Fuel Filter...5308
      Draining The Fuel Tank...5309
      Fuel Filter...5309
      Removing Air From The Fuel System...5310
    ENGINE LUBRICATION SYSTEM...5312
      Checking Engine Oil...5312
      Oil Chart...5312
      Replacing Oil And Filter...5313
    HYDRAULIC SYSTEM...5314
      Checking And Adding Hydraulic Oil...5314
      Replacing The Hydraulic Oil...5315
      Replacing The Hydraulic Filter...5316
      Replacing The Case Drain Filter...5316
      Diagnostic Couplers...5317
    LUBRICATION OF THE EXCAVATOR...5318
      Procedure...5318
    TRAVEL MOTOR...5322
      Checking Oil Level...5322
      Draining The Travel Motor...5322
    SPARK ARRESTER MUFFLER...5324
      Cleaning procedure...5324
    ENGINE ACCESSORY DRIVE BELT...5326
      Belt Tension...5326
      Belt Adjustment...5326
    SEAT BELT...5328
      Inspection And Maintenance...5328
    REMOTE START TOOL KIT - MEL1563...5330
      Remote Start Tool - MEL1563...5330
      Service Tool Harness Communicator - MEL1566...5332
    REMOTE START TOOL (SERVICE TOOL) KIT - 7003031...5334
      Description...5334
      Remote Start Tool (Service Tool) - 7003030...5335
      Excavator Service Tool Harness - 6689747...5336
      Computer Service Tool Harness - 6689746...5337
  HYDRAULIC SYSTEM...5338
    HYDRAULIC / HYDROSTATIC SCHEMATICS...5344
    HYDRAULIC SYSTEM INFORMATION...5350
      Glossary Of Hydraulic / Hydrostatic Symbols For Excavators...5350
      Troubleshooting The Hydraulic Circuit...5353
      Troubleshooting The Cylinder Circuit...5354
      Troubleshooting The Upperstructure Slew Circuit...5355
      Troubleshooting The Travel Circuit...5356
      Description...5357
    BOOM CYLINDER...5360
      Testing...5360
      Removal And Installation...5362
      Parts Identification...5364
      Disassembly...5365
      Assembly...5369
    ARM CYLINDER...5374
      Testing...5374
      Removal and Installation...5376
      Parts Identification...5378
      Disassembly...5379
      Assembly...5382
    BOOM SWING CYLINDER...5386
      Testing...5386
      Removal And Installation...5387
      Parts Identification...5389
      Disassembly...5390
      Assembly...5393
    BUCKET CYLINDER...5398
      Testing...5398
      Removal And Installation...5400
      Parts Identification...5401
      Disassembly...5402
      Assembly...5404
    BLADE CYLINDER...5408
      Testing...5408
      Removal And Installation...5409
      Parts Identification...5410
      Disassembly...5411
      Assembly...5413
    CLAMP CYLINDER...5416
      Testing...5416
      Removal And Installation...5417
      Parts Identification...5418
      Disassembly...5419
      Assembly...5422
    MAIN RELIEF VALVE...5428
    PORT RELIEF VALVES...5430
      Port Relief Valve Pressure Setting...5430
      Parts Identification...5430
      Adjustment Procedure...5431
    CROSSPORT RELIEF VALVE...5432
      Testing And Adjusting The Crossport Relief Valve...5432
      Removal And Installation...5435
      Parts Identification...5436
      Disassembly And Assembly...5437
    PRESSURE REDUCING VALVE...5442
      Description...5442
    HYDRAULIC CONTROL VALVE...5444
      Removal And Installation...5444
      Parts Identification...5448
      Disassembly And Assembly...5449
      Slew Valve Section...5450
      Boom Swing Valve Section...5459
      Blade Valve Section (S/N 234611001-234611163 And S/N 234711001-234711197)...5466
      Blade Valve Section (S/N 234611164 & Above And 234711198 & Above)...5474
      Bucket Valve Section...5485
      Arm Valve Section...5491
      Boom Valve Section...5497
      Auxiliary Valve Section...5503
      Right Travel Valve Section...5511
      Left Travel Valve Section...5515
      Inlet Section...5519
    HYDRAULIC PUMP (S/N 234611001 - 234613190, 234613193 - 234613247, 234711001 - 234713440)...5524
      Hydraulic Pump Work Sheet...5524
      Pump Testing...5527
      Removal And Installation...5540
      Coupler Removal And Installation...5541
      Hydraulic Pump Start Up...5542
      Torque Limiter Valve Parts Identification...5543
      Torque Limiter Valve Removal...5544
      Torque Limiter Valve Disassembly...5544
      Torque Limiter Valve Assembly...5549
      Initial Torque Limiter Valve Setting...5552
      Torque Limiter Valve Installation...5554
      Pump Control Parts Identification...5555
      Pump Control Removal And Installation...5556
      Pump Control Disassembly And Assembly...5556
      Parts Identification...5562
      Disassembly...5563
      Assembly...5572
    HYDRAULIC PUMP (S/N 234613191, 234613192, 234613248 & ABOVE, 2347133441 & ABOVE)...5582
      Hydraulic Pump Work Sheet...5582
      Pump Testing...5585
      Removal And Installation...5597
      Coupler Removal And Installation...5598
      Hydraulic Pump Start Up...5599
      Torque Limiter Assembly Parts Identification...5600
      Torque Limiter Valve Assembly Removal And Installation...5601
      Torque Limiter Valve Assembly Disassembly And Assembly...5601
      Pump Control Parts Identification...5602
      Pump Control Removal And Installation...5603
      Pump Control Disassembly And Assembly...5603
      Parts Identification...5609
      Disassembly And Assembly...5610
    MANIFOLD ASSEMBLY / ACCUMULATOR...5618
      Description...5618
      Testing Pilot Pressure...5618
      Adjusting The Pilot Pressure...5620
      Removal And Installation...5621
      Manifold Assembly / Accumulator Parts Identification...5624
      Disassembly And Assembly...5625
    TRAVEL MOTOR...5636
      Removal And Installation...5636
      Parts Identification...5637
      Disassembly...5638
      Assembly...5648
    SWIVEL JOINT...5660
      Removal And Installation...5660
      Parts Identification...5661
      Disassembly...5662
      Assembly...5663
    SWING MOTOR...5668
      Removal And Installation...5668
      Parts Identification...5672
      Disassembly...5673
      Inspection...5677
      Assembly...5678
    SWING MOTOR DRIVE CARRIER...5684
      Removal And Installation...5684
      Parts Identification...5686
      Checking The Drive Carrier Shaft End Play...5687
      Disassembly...5688
      Inspection...5690
      Assembly...5691
    CONTROL PATTERN SELECTOR VALVE...5696
      Removal And Installation...5696
      Parts Identification...5697
      Disassembly...5698
      Assembly...5699
    RIGHT CONTROL LEVER (JOYSTICK)...5700
      Testing...5700
      Handle Removal And Installation...5702
      Joystick Assembly Removal And Installation...5706
      Parts Identification...5709
      Disassembly...5710
      Assembly...5715
    LEFT CONTROL LEVER (JOYSTICK)...5720
      Testing...5720
      Handle Removal And Installation...5722
      Joystick Assembly Removal And Installation...5725
      Parts Identification...5727
      Disassembly...5728
      Assembly...5733
    TRAVEL CONTROL VALVE...5738
      Removal and Installation...5738
      Parts Identification...5740
      Disassembly And Assembly...5741
    HYDRAULIC FILTER MOUNT...5744
      Removal And Installation...5744
    HYDRAULIC RESERVOIR...5746
      Removal And Installation...5746
    OIL COOLER...5750
      Removal And Installation...5750
    DUAL SEQUENCE VALVE...5752
      Removal And Installation...5752
      Parts Identification...5754
      Disassembly And Assembly...5755
    DIRECT TO TANK VALVE...5758
      Removal And Installation...5758
      Parts Identification...5759
      Disassembly And Assembly...5760
    BUILD UP VALVE...5762
      Removal And Installation...5762
      Parts Identification...5763
      Disassembly And Assembly...5764
    CASE DRAIN FILTER MOUNT...5768
      Removal And Installation...5768
    REMOVING AIR FROM HYDRAULIC SYSTEM...5770
      Procedure...5770
    BOOM SWING LOCK VALVE...5772
      Description...5772
      Removal And Installation...5772
      Parts Identification...5774
      Disassembly...5775
      Assembly...5778
    HYDRAULIC X-CHANGE VALVE...5782
      Removal And Installation...5782
      Parts Identification...5786
      Disassembly...5787
      Assembly...5795
  UNDERCARRIAGE...5802
    BLADE...5804
      Removal And Installation...5804
    TRACKS...5806
      Track Lug Height...5806
      Rubber Track Clearance...5807
      Rubber Track Adjustment...5808
      Steel Track Clearance...5809
      Steel Track Adjustment...5810
      Rubber Track Removal And Installation...5811
      Steel Track Removal...5814
      Steel Track Installation...5816
      Track Shoe Removal And Installation...5818
    TRACK FRAME (S/N 234611163 & BELOW AND 234711197 & BELOW)...5820
      Disassembly And Assembly...5820
      Recoil Spring Cylinder Disassembly And Assembly (W/O Replaceable Shaft)...5823
      Recoil Spring Cylinder Parts Identification (With Replaceable Shaft)...5824
      Recoil Spring Cylinder Disassembly And Assembly (With Replaceable Shaft)...5825
    TRACK FRAME (S/N 234611164 & ABOVE AND 234711198 & ABOVE)...5828
      Disassembly And Assembly...5828
      Recoil Spring Cylinder Disassembly And Assembly (W/O Replaceable Shaft)...5831
      Recoil Spring Cylinder Parts Identification (With Replaceable Shaft)...5832
      Recoil Spring Cylinder Disassembly And Assembly (With Replaceable Shaft)...5833
    TRACK DAMAGE IDENTIFICATION...5836
      Cutting Of Steel Cords...5836
      Abrasion Of Embedded Metals...5837
      Separation Of Embedded Metals...5838
      Separation Of Embedded Metals Due To Corrosion...5839
      Cuts On The Lug Side Rubber...5840
      Cracks On The Lug Side Rubber Due To Fatigue...5841
      Lug Abrasion...5842
      Cracks And Cuts On The Lug Side Rubber...5843
      Abrasion Of The Track Roller Side...5844
      Cuts On The Edges Of Track Roller Side...5845
    TRACK IDLER (S/N 234611163 & BELOW AND 234711197 & BELOW)...5848
      Parts Identification...5848
      Disassembly...5849
      Assembly...5851
    TRACK IDLER (S/N 234611164 & ABOVE AND 234711198 & ABOVE)...5854
      Parts Identification...5854
      Disassembly...5855
      Assembly...5857
    TRACK ROLLER (S/N 234611163 & BELOW AND 234711197 & BELOW)...5860
      Parts Identification...5860
      Disassembly...5861
      Assembly...5863
    TRACK ROLLER (S/N 234611164 & ABOVE AND 234711198 & ABOVE)...5866
      Parts Identification (Upper Roller)...5866
      Disassembly (Upper Roller)...5867
      Assembly (Upper Roller)...5869
      Parts Identification (Lower Roller)...5871
      Disassembly (Lower Roller)...5872
      Assembly (Lower Roller)...5874
    SWING CIRCLE GEAR (S/N 234611163 & BELOW AND 234711197 & BELOW)...5876
      Swing Bearing Removal...5876
      Swing Bearing Installation...5877
    SWING CIRCLE GEAR (S/N 234611164 & ABOVE AND 234711198 & ABOVE)...5878
      Swing Bearing Removal...5878
      Swing Bearing Installation...5879
  UPPERSTRUCTURE AND SWING SECTION...5880
    UPPERSTRUCTURE...5884
      Removal...5884
      Installation...5887
    ROPS CANOPY...5890
      Removal And Installation...5890
    CAB...5894
      Removal And Installation...5894
      Door Removal And Installation...5899
      Front Window Removal And Installation...5900
      Right Side Rear Sliding Window Removal And Installation...5903
      Right Side Front Sliding Window Removal And Installation...5904
      Right Side Front And Rear Sliding Window Weather Strip Removal And Installation...5905
      Right Side Front And Rear Sliding Window Wiper Strip Removal And Installation...5905
      Glass Removal...5906
      Glass Installation...5907
    SEAT AND SEAT MOUNT...5910
      Removal And Installation...5910
    RIGHT CONSOLE...5912
      Console Cover Removal And Installation...5912
      Console Base Removal And Installation...5913
    LEFT CONSOLE...5916
      Lower Console Cover Removal And Installation...5916
      Upper Console Cover Removal And Installation...5918
      Compression Spring Removal And Installation...5919
      Compression Spring Disassembly And Assembly...5920
      Lock Lever Removal And Installation...5922
      Console Removal And Installation...5923
      Disassembly And Assembly...5929
      Console Switch Removal And Installation...5932
      Console Base Removal And Installation...5933
    ENGINE SPEED CONTROL...5934
      Removal And Installation...5934
      Adjustment (Later Models)...5935
    BLADE CONTROL...5936
      Lever Removal And Installation...5936
      Linkage Removal And Installation...5937
      Linkage Disassembly And Assembly...5938
      Linkage Bar Removal And Installation...5940
      Lower Linkage Removal And Installation...5941
      Lower Linkage Disassembly And Assembly...5943
    RIGHT PEDAL AND LINKAGE...5946
      Pedal Removal And Installation...5946
      Pedal Disassembly And Assembly...5947
      Lower Linkage Removal And Installation...5949
      Lower Linkage Disassembly And Assembly...5951
      Bellcrank Removal And Installation...5952
    TRAVEL CONTROLS...5954
      Removal And Installation...5954
      Disassembly And Assembly...5955
      Adjustment...5957
    CONTROL LINKAGE ASSEMBLY...5960
      Removal And Installation...5960
    FLOOR MAT AND FLOOR PLATE...5962
      Removal And Installation...5962
    FUEL TANK...5964
      Removal And Installation...5964
    HORN...5966
      Removal And Installation...5966
    SWING FRAME...5968
      Boom Swing Bracket Removal And Installation...5968
      Boom Swing Bracket Hose Installation...5972
      Swing Bracket Bushing Removal...5973
      Swing Bracket Bushing Installation...5974
      Boom Pivot Pin Bushing Removal...5975
      Boom Pivot Pin Bushing Installation...5976
    BOOM...5978
      Removal And Installation...5978
      Boom Pivot Pin Bushing Removal And Installation...5979
    ARM...5980
      Removal And Installation...5980
    BUCKET...5982
      Bucket Teeth Removal And Installation...5982
    CLAMP...5984
      Removal And Installation...5984
    TAILGATE...5986
      Removal And Installation...5986
      Latch Removal And Installation...5987
      Striker Removal And Installation...5988
    X-CHANGE...5990
      Removal And Installation...5990
      Parts Identification...5992
      Disassembly...5993
      Assembly...5998
      Check Proper Latch Engagement...6004
    X-CHANGE (PIN ON)...6008
      Removal And Installation...6008
      Parts Identification...6010
      Disassembly And Assembly...6011
    X-CHANGE (HYDRAULIC)...6012
      Removal And Installation...6012
      Parts Identification...6015
      Disassembly...6016
      Assembly...6021
    QUICK COUPLER (KLAC™ SYSTEM)...6030
      Troubleshooting...6030
      Daily Inspection...6030
      Removal And Installation...6031
      Parts Identification...6033
      Disassembly...6034
      Assembly...6035
    QUICK COUPLER (LEHNHOFF® SYSTEM)...6038
      Troubleshooting...6038
      Daily Inspection...6038
      Removal (MS03 And MS08)...6039
      Installation (MS03 And MS08)...6040
      Parts Identification (MS03)...6041
      Disassembly And Assembly (MS03)...6042
      Parts Identification (MS08)...6043
      Disassembly (MS08)...6044
      Assembly (MS08)...6047
  ELECTRICAL SYSTEM & ANALYSIS...6052
    ELECTRICAL SCHEMATICS...6054
    ELECTRICAL SYSTEM INFORMATION...6057
      Troubleshooting Chart...6057
      Description...6058
      Fuse And Relay Location...6058
    BATTERY...6059
      Servicing...6059
      Removing And Installing The Battery...6060
      Using A Booster Battery (Jump Starting)...6061
    ALTERNATOR...6063
      Engine Accessory Drive Belt...6063
      Removal And Installation...6064
      Alternator Identification...6066
      Charging System Check...6067
      Alternator Voltage Test...6068
      Low Voltage Test...6069
      High Voltage Test...6070
      Rectifier Continuity (Diode) Test...6071
      Alternator Regulator Test...6072
      Parts Identification...6073
      Disassembly...6074
      Stator Continuity Test...6075
      Stator Ground Test...6075
      Rotor Continuity Test...6075
      Rotor Ground Test...6075
      Assembly...6076
    STARTER...6077
      Removal And Installation...6077
      Parts Identification...6078
      Disassembly...6079
      Inspection And Repair...6084
      Assembly...6087
    LIGHTS...6093
      Removal And Installation...6093
      Disassembly And Assembly...6095
    TWO-SPEED SWITCH...6097
      Removal And Installation...6097
    FUEL LEVEL SENDER...6099
      Removal And Installation...6099
      Testing And Inspection...6100
    DIAGNOSTICS SERVICE CODE...6101
      Number Codes List...6101
    DELUXE INSTRUMENT PANEL SETUP...6103
      Passwords...6103
      Password Entry (For Starting And Operating The Machine)...6103
      Changing The Owner or Operator Password...6103
      Password Lockout Feature...6104
      Job Clock...6104
      RPM...6104
  ENGINE SERVICE...6105
    TROUBLESHOOTING...6107
      Chart...6107
    MUFFLER...6109
      Removal And Installation...6109
    AIR CLEANER...6111
      Removal And Installation...6111
    RADIATOR...6113
      Removal And Installation...6113
    ENGINE COMPONENTS AND TESTING...6115
      Engine Compression Checking...6115
      Glow Plugs Removal And Installation...6116
      Checking The Glow Plug...6117
      Fuel Shut-off Solenoid Removal And Installation...6118
      Fuel Injection Pump Check...6119
      Fuel Injection Pump Removal And Installation...6119
      Fuel Injection Pump Timing...6123
      Fuel Injector Nozzles Removal And Installation...6125
      Fuel Injector Nozzle Check...6128
      Valve Clearance Adjustment...6129
    ENGINE...6131
      Removal And Installation...6131
    ENGINE FLYWHEEL (EARLY MODELS)...6137
      Flywheel Removal And Installation...6137
      Hydraulic Pump Coupler...6139
      Flywheel Ring Gear...6139
    ENGINE FLYWHEEL (LATER MODELS)...6141
      Flywheel Removal And Installation...6141
      Hydraulic Pump Coupler...6144
      Flywheel Ring Gear...6144
    RECONDITIONING THE ENGINE...6145
      Cylinder Head Removal And Installation...6145
      Cylinder Head Disassembly And Assembly...6148
      Cylinder Head Servicing...6149
      Cylinder Head Top Clearance...6149
      Valve Guide Checking...6150
      Reconditioning The Valve And Valve Seat...6152
      Valve Spring...6153
      Rocker Arm And Shaft Checking...6154
      Timing Gearcase Cover Removal And Installation...6155
      Idler Gear And Camshaft Removal And Installation...6158
      Camshaft Servicing...6159
      Idler Gear And Shaft Servicing...6160
      Timing Gears Checking Backlash...6161
      Fuel Camshaft Removal And Installation...6161
      Fuel Camshaft Governor...6162
      Crankshaft Gear Removal And Installation...6162
      Oil Pump Removal And Installation...6163
      Oil Pump Service...6163
      Checking Engine Oil Pressure...6164
      Valve Tappets...6165
      Piston And Connecting Rod Removal And Installation...6165
      Piston And Connecting Rod Servicing...6167
      Connecting Rod Alignment...6169
      Crankshaft And Bearings Removal And Installation...6170
      Crankshaft And Bearings, Servicing...6172
      Cylinder Bore, Checking...6176
      Water Pump Removal And Installation...6176
      Water Pump Disassembly And Assembly...6177
      Fan Removal And Installation...6177
  HEATING, VENTILATION & AIR CONDITIONING...6179
    HEATER COIL (EARLY MODELS)...6183
      Removal And Installation With A/C...6183
      Removal And Installation Without A/C...6183
    HEATER COIL (LATER MODELS)...6185
      Removal And Installation With A/C...6185
      Removal And Installation Without A/C...6185
    BLOWER FAN (EARLY MODELS)...6187
      Removal And Installation...6187
      Disassembly And Assembly...6188
    BLOWER FAN (LATER MODELS)...6191
      Removal And Installation...6191
      Disassembly And Assembly...6192
      Resistor Removal And Installation...6193
    HEATER VALVE (EARLY MODELS)...6195
      Removal And Installation...6195
    HEATER VALVE (LATER MODELS)...6199
      Removal And Installation...6199
    AIR CONDITIONING SYSTEM FLOW...6203
      Principals...6203
      Chart...6204
    COMPONENTS...6205
      Identification...6205
    SAFETY...6209
      Safety Equipment...6209
    REGULAR MAINTENANCE...6211
      Heater Air Filter...6211
      Engine Accessory Drive Belt Inspection...6211
      Cleaning The Condenser...6212
    BASIC TROUBLESHOOTING (EARLY MODELS)...6213
      Poor A/C Performance...6213
      Cleaning The A/C Evaporator Coil And Heater Coil...6214
      Engine Accessory Drive Belt Inspection...6215
      Checking The Electrical System...6216
      Engine Coolant Bypassing The Heater Valve...6227
    BASIC TROUBLESHOOTING (LATER MODELS)...6229
      Poor A/C Performance...6229
      Cleaning The A/C Evaporator Coil And Heater Coil...6230
      Engine Accessory Drive Belt Inspection...6231
      Checking The Electrical System...6232
      Engine Coolant Bypassing The Heater Valve...6243
    GENERAL AIR CONDITIONING SERVICE GUIDELINES...6245
      Compressor Oil...6245
      Compressor Oil Check...6246
      Component Replacement And Refrigeration Leaks...6248
    SYSTEM TROUBLESHOOTING CHART...6249
      Blower Motor Does Not Operate...6249
      Gauge Pressure Related Troubleshooting...6250
    TEMPERATURE / PRESSURE...6253
      Chart...6253
    AIR CONDITIONING SERVICE...6255
      Chart...6255
    SYSTEM CHARGING AND RECLAMATION...6257
      Reclamation Procedure...6257
      Charging Procedure With A Manifold Gauge Set...6260
    COMPRESSOR...6263
      Removal And Installation...6263
      Compressor Clutch Disassembly And Assembly...6265
    CONDENSER...6269
      Removal And Installation...6269
    RECEIVER / DRIER...6271
      Removal And Installation...6271
    PRESSURE RELIEF VALVE...6273
      Removal And Installation...6273
    PRESSURE SWITCH...6275
      Removal And Installation...6275
    EVAPORATOR / HEATER UNIT (EARLY MODELS)...6277
      Removal And Installation...6277
      Disassembly And Assembly...6279
    EVAPORATOR / HEATER UNIT (LATER MODELS)...6281
      Removal And Installation...6281
      Disassembly And Assembly...6282
    THERMOSTAT (EARLY MODELS)...6283
      Removal And Installation...6283
    THERMOSTAT (LATER MODELS)...6285
      Removal And Installation...6285
    EXPANSION VALVE (EARLY MODELS)...6287
      Removal And Installation...6287
    EVAPORATOR VALVE (LATER MODELS)...6289
      Removal And Installation...6289
    EVAPORATOR (EARLY MODELS)...6291
      Removal And Installation...6291
    EVAPORATOR (LATER MODELS)...6293
      Removal And Installation...6293
  SPECIFICATIONS...6295
    (337, 341) EXCAVATOR SPECIFICATIONS...6297
      337 Dimensions...6297
      337 With Long Arm And 341 Dimensions...6299
      Performance...6301
      Controls...6301
      Engine...6301
      Hydraulic System...6302
      Hydraulic Cylinders...6302
      Hydraulic Cycle Times...6303
      Electrical...6303
      Instrumentation...6303
      Drive System...6303
      Slew System...6303
      Undercarriage...6303
      Crawler Track Design...6303
      Capacities...6303
      Fuel Tank...6303
      Track...6304
      Type...6304
      Ground Pressure...6304
    ENGINE SPECIFICATIONS...6305
      Specifications...6305
      Crankshaft Re-Grind Data...6310
    TORQUE SPECIFICATIONS...6311
      Torque for General SAE Bolts...6311
      Torque For General Metric Bolts...6312
    HYDRAULIC CONNECTION SPECIFICATIONS...6313
      O-ring Face Seal Connection...6313
      Straight Thread O-ring Fitting...6313
      Tubelines And Hoses...6313
      Flare Fitting...6314
      O-ring Flare Fitting...6315
      Port Seal Fitting...6317
    HYDRAULIC FLUID SPECIFICATIONS...6319
      Specifications...6319
    FUEL, COOLANT AND LUBRICANTS...6321
      Chart...6321
    CONVERSIONS...6323
      Decimal And Millimeter Equivalents Chart...6323
      U.S. To Metric Conversion Chart...6323
  ALPHABETICAL INDEX...6325
  SERVICE MANUAL REVISION...6329
    Revision No: 337 / 341 - 1...6329
    Revision No: 337/341 - 2...6331
    Revision No: 337/341 - 3...6333
    Revision No: 337/341 - 4...6335
    Revision No: 337/341 - 5...6337
    Revision No: 337/341 - 6...6339
    Revision No: 337/341 - 7...6341
    Revision No: 337/341 - 8...6343
    Revision No: 337/341 - 9...6345
    Revision No: 337/341 - 10...6347
    Revision No: 337/341 - 11...6349
    Revision No: 337/341 - 12...6351
    Revision No: 337, 341 - 13...6353
6903162 (1-07) - 337, 341 Compact Excavator Operation & Maintenance Manual...6355
  CONTENTS...6359
  FOREWORD...6361
    BOBCAT COMPANY IS ISO 9001:2000 CERTIFIED...6363
    REGULAR MAINTENANCE ITEMS...6363
    SERIAL NUMBER LOCATIONS...6365
      Excavator Serial Number...6365
      Engine Serial Number...6365
    DELIVERY REPORT...6365
    EXCAVATOR IDENTIFICATION...6366
    FEATURES, ACCESSORIES AND ATTACHMENTS...6367
      Standard Items...6367
      Options and Accessories...6367
      Attachments...6367
      Buckets Available...6367
      Falling Object Guards (FOGS)...6368
      Special Applications Kit...6368
      Special Applications Kit Inspection And Maintenance...6368
  SAFETY & TRAINING RESOURCES...6369
    SAFETY INSTRUCTIONS...6371
      Before Operation...6371
      Safe Operation Is The Operator’s Responsibility...6372
      Safe Operation Needs A Qualified Operator...6372
      Fire Prevention...6373
    MACHINE SIGNS (DECALS)...6374
    PUBLICATIONS AND TRAINING RESOURCES...6376
  OPERATING INSTRUCTIONS...6377
    INSTRUMENTS AND CONSOLES...6379
      Cab Interior Light (If Equipped)...6379
      Left Console...6379
      Right Console...6380
      Function Icons...6381
      STD / ISO Selector Valve...6382
      Upperstructure Slew Brake...6382
      Raising And Lowering The Console...6382
      Two-Speed Travel...6383
    OPERATOR CANOPY (ROPS / TOPS)...6384
      Description...6384
    OPERATOR CAB (ROPS / TOPS)...6384
      Description...6384
      Cab Door...6385
      Front Window...6386
      Front Wiper...6387
      Window Washer Reservoir...6387
      Right Side Window...6388
      Heating, Ventilation And Air Conditioning Duct...6389
    TRAVEL CONTROLS...6390
      Description...6390
      Forward And Reverse Travel...6390
      Turning...6390
    HYDRAULIC CONTROLS...6392
      Description...6392
      STANDARD Control Pattern...6392
      ISO Control Pattern...6393
      Quick Couplers...6394
      Auxiliary Hydraulics...6395
      Relieve Hydraulic Pressure (Excavator And Attachment)...6395
      Return To Tank Valve (If Equipped)...6395
    BLADE CONTROL LEVER...6396
      Operation...6396
    BOOM SWING PEDAL...6396
      Operation...6396
    DAILY INSPECTION...6397
      Daily Inspection And Maintenance...6398
    PRE-STARTING PROCEDURE...6399
      Operation & Maintenance Manual And Operator’s Handbook Locations...6399
      Entering The Excavator...6399
      Seat Adjustment...6400
      Seat Belt Adjustment...6400
      Control Console...6401
    STARTING THE ENGINE...6402
      Key Switch...6402
      Keyless...6403
      Cold Temperature Starting...6404
      Warming The Hydraulic System...6405
    STOPPING THE ENGINE AND LEAVING THE EXCAVATOR...6406
      Procedure...6406
      Emergency Exits...6407
    ATTACHMENTS...6408
      Installing And Removing The Attachment (Hydraulic X-Change)...6408
      Installing And Removing The Attachment (Pin-On X- Change)...6412
      Installing And Removing The Attachment (Bolt-On X- Change)...6418
      Installing And Removing The Attachment (Pin-On Attachment)...6424
    OPERATING PROCEDURE...6425
      Inspect The Work Area...6425
      Lowering The Work Equipment (Engine STOPPED)...6425
      Operating On Public Roads...6425
      Lifting A Load...6426
      Excavating...6427
      Boom Swing...6429
      Backfilling...6430
      Driving The Excavator...6430
      Operating On Slopes...6431
      Operating In Water...6433
      Avoiding Track Damage...6433
    TOWING THE EXCAVATOR...6433
      Procedure...6433
    LIFTING THE EXCAVATOR...6434
      Procedure...6434
    TRANSPORTING THE EXCAVATOR ON A TRAILER...6435
      Loading And Unloading...6435
      Fastening...6435
  PREVENTIVE MAINTENANCE...6437
    MAINTENANCE SAFETY...6439
    SERVICE SCHEDULE...6441
      Chart...6441
    CONTROL CONSOLE LOCKOUTS...6442
      Inspection And Maintenance...6442
    SEAT BELT...6443
      Inspection And Maintenance...6443
    TAILGATE...6444
      Opening And Closing...6444
      Adjusting The Bumper...6444
      Adjusting The Latch...6444
    RIGHT SIDE COVER...6445
      Opening And Closing...6445
      Adjusting The Latch...6445
    CAB FILTERS...6446
      Cleaning And Maintenance...6446
    AIR CLEANER SERVICE...6448
      Daily Check...6448
      Replacing Filter Elements...6448
    FUEL SYSTEM...6450
      Fuel Specifications...6450
      Filling The Fuel Tank...6450
      Fuel Filters...6451
      Draining The Fuel Tank...6451
      Removing Air From The Fuel System...6452
    ENGINE LUBRICATION SYSTEM...6453
      Checking And Adding Engine Oil...6453
      Engine Oil Chart...6453
      Removing And Replacing Oil And Filter...6454
    ENGINE COOLING SYSTEM...6455
      Cleaning...6455
      Checking Level...6455
      Removing And Replacing Coolant...6456
    ELECTRICAL SYSTEM...6457
      Description...6457
      Fuse And Relay Location / Identification...6457
      Battery Maintenance...6458
      Using A Booster Battery (Jump Starting)...6459
      Removing And Installing Battery...6460
    HYDRAULIC SYSTEM...6461
      Checking And Adding Fluid...6461
      Hydraulic Fluid Chart...6461
      Removing And Replacing Hydraulic Filters...6462
      Removing And Replacing Hydraulic Fluid...6463
    SPARK ARRESTOR MUFFLER...6464
      Cleaning Procedure...6464
    TRACK TENSION...6465
      Adjusting...6465
    TRAVEL MOTOR...6467
      Checking And Adding Oil...6467
      Removing And Replacing Oil...6467
    ALTERNATOR BELT...6468
      Belt Adjustment...6468
      Belt Replacement...6468
    X-CHANGE...6469
      Inspection And Maintenance...6469
    TRACK ROLLER AND IDLER LUBRICATION...6469
      Procedure...6469
    BUCKET...6470
      Bucket Teeth Removal And Installation...6470
    LUBRICATING THE EXCAVATOR...6471
      Lubrication Locations...6471
    PIVOT PINS...6474
      Inspection And Maintenance...6474
    EXCAVATOR STORAGE AND RETURN TO SERVICE...6475
      Storage...6475
      Return to Service...6475
  SYSTEM SETUP AND ANALYSIS...6477
    DIAGNOSTIC SERVICE CODE...6479
      Service Codes List...6479
    DISPLAY CONTROLLER PANEL SETUP...6480
      Passwords...6480
      Password Entry (For Starting and Operating the Machine)...6480
      Changing The Operator Password...6480
      Password Lockout Feature...6481
      Job Clock...6481
      RPM...6481
      Viewing Service Codes (Key Switch)...6482
      Viewing Service Codes (Keyless)...6482
  MACHINE SIGN TRANSLATIONS...6483
    WARNING (6808185)...6485
    LIFT CHART...6486
      337 (7105758)...6486
      337 W/ COUNTERWEIGHT KIT (7105759)...6489
      331 w / Long Arm & 341 (7105760)...6492
    SERVICE SCHEDULE (7130456)...6495
    WARNING (6807776)...6498
    WARNING (6804114, 6577754, 6804233, 6809832)...6501
    WARNING (6815945)...6502
    WARNING (6808474)...6503
    WARNING (6815915)...6504
    HYDRAULIC X-CHANGE SYSTEM (7134587)...6505
    USING THE X-CHANGE SYSTEM (7102651)...6508
    WARNING (6809829)...6511
    JOYSTICK CONTROL PATTERN SELECTOR LEVER (6815957)...6511
  SPECIFICATIONS...6513
    (337, 341) EXCAVATOR SPECIFICATIONS...6515
      337 Dimensions...6515
      337 W / Long Arm & 341 Dimensions...6517
      Performance...6519
      Controls...6519
      Engine...6519
      Hydraulic System...6520
      Hydraulic Cylinders...6520
      Hydraulic Cycle Times...6521
      Electrical...6521
      Instrumentation...6521
      Drive System...6521
      Slew System...6521
      Undercarriage...6521
      Crawler Track Design...6521
      Capacities...6521
      Fuel Tank...6521
      Track...6522
      Type...6522
      Ground Pressure...6522
  WARRANTY...6523
  ALPHABETICAL INDEX...6527
6904774 (7-07) - 335 Compact Excavator Operation & Maintenance Manual...6529
  CONTENTS...6533
  FOREWORD...6535
    BOBCAT COMPANY IS ISO 9001:2000 CERTIFIED...6537
    REGULAR MAINTENANCE ITEMS...6537
    SERIAL NUMBER LOCATIONS...6539
      Excavator Serial Number...6539
      Engine Serial Number...6539
    DELIVERY REPORT...6539
    EXCAVATOR IDENTIFICATION...6540
    FEATURES, ACCESSORIES AND ATTACHMENTS...6541
      Standard Items...6541
      Options and Accessories...6541
      Attachments...6541
      Buckets Available...6541
      Falling Object Guards (FOGS)...6542
      Special Applications Kit...6542
      Special Applications Kit Inspection And Maintenance...6542
  SAFETY & TRAINING RESOURCES...6543
    SAFETY INSTRUCTIONS...6545
      Before Operation...6545
      Safe Operation Is The Operator’s Responsibility...6546
      Safe Operation Needs A Qualified Operator...6546
      Fire Prevention...6547
    MACHINE SIGNS (DECALS)...6548
    PUBLICATIONS AND TRAINING RESOURCES...6550
  OPERATING INSTRUCTIONS...6551
    INSTRUMENTS AND CONSOLES...6553
      Cab Interior Light (If Equipped)...6553
      Left Console...6553
      Right Console...6554
      Function Icons...6555
      STD / ISO Selector Valve...6556
      Upperstructure Slew Lock...6556
      Raising And Lowering The Console...6557
      Two-Speed Travel...6557
    OPERATOR CANOPY (ROPS / TOPS)...6558
      Description...6558
    OPERATOR CAB (ROPS / TOPS)...6558
      Description...6558
      Cab Door...6559
      Front Window...6560
      Front Wiper...6561
      Window Washer Reservoir...6561
      Right Side Window...6562
      Heating, Ventilation And Air Conditioning Duct...6563
    TRAVEL CONTROLS...6564
      Description...6564
      Forward And Reverse Travel...6564
      Turning...6564
    HYDRAULIC CONTROLS...6566
      Description...6566
      STANDARD Control Pattern...6566
      ISO Control Pattern...6567
      Quick Couplers...6568
      Auxiliary Hydraulics...6569
      Relieve Hydraulic Pressure (Excavator And Attachment)...6569
      Return To Tank Valve (If Equipped)...6569
    BLADE CONTROL LEVER...6570
      Raising And Lowering Blade...6570
      Angling Blade...6570
    BOOM SWING PEDAL...6571
      Operation...6571
    DAILY INSPECTION...6572
      Daily Inspection And Maintenance...6573
    PRE-STARTING PROCEDURE...6574
      Operation & Maintenance Manual And Operator’s Handbook Locations...6574
      Entering The Excavator...6574
      Seat Adjustment...6575
      Seat Belt Adjustment...6575
      Control Console...6575
    STARTING THE ENGINE...6576
      Key Switch...6576
      Keyless...6577
      Cold Temperature Starting...6578
      Warming The Hydraulic System...6579
    STOPPING THE ENGINE AND LEAVING THE EXCAVATOR...6580
      Procedure...6580
      Emergency Exits...6581
    ATTACHMENTS...6582
      Installing And Removing The Attachment (Hydraulic X-Change)...6582
      Installing And Removing The Attachment (Pin-On X- Change)...6586
      Installing And Removing The Attachment (Bolt-On X- Change)...6592
      Installing And Removing The Attachment (Pin-On Attachment)...6598
    OPERATING PROCEDURE...6599
      Inspect The Work Area...6599
      Lowering The Work Equipment (Engine STOPPED)...6599
      Operating On Public Roads...6599
      Lifting A Load...6600
      Excavating...6601
      Boom Swing...6603
      Backfilling...6604
      Driving The Excavator...6604
      Operating On Slopes...6605
      Operating In Water...6607
      Avoiding Track Damage...6607
    TOWING THE EXCAVATOR...6607
      Procedure...6607
    LIFTING THE EXCAVATOR...6608
      Procedure...6608
    TRANSPORTING THE EXCAVATOR ON A TRAILER...6609
      Loading And Unloading...6609
      Fastening...6609
  PREVENTIVE MAINTENANCE...6611
    MAINTENANCE SAFETY...6613
    SERVICE SCHEDULE...6615
      Chart...6615
    CONTROL CONSOLE LOCKOUTS...6616
      Inspection And Maintenance...6616
    SEAT BELT...6617
      Inspection And Maintenance...6617
    TAILGATE...6618
      Opening And Closing...6618
      Adjusting The Bumper...6618
      Adjusting The Latch...6618
    RIGHT SIDE COVER...6619
      Opening And Closing...6619
      Adjusting The Latch...6619
    CAB FILTERS...6620
      Cleaning And Maintenance...6620
    AIR CLEANER SERVICE...6622
      Daily Check...6622
      Replacing Filter Elements...6622
    FUEL SYSTEM...6624
      Fuel Specifications...6624
      Filling The Fuel Tank...6624
      Fuel Filters...6625
      Draining The Fuel Tank...6625
      Removing Air From The Fuel System...6626
    ENGINE LUBRICATION SYSTEM...6627
      Checking And Adding Engine Oil...6627
      Engine Oil Chart...6627
      Removing And Replacing Oil And Filter...6628
    ENGINE COOLING SYSTEM...6629
      Cleaning...6629
      Checking Level...6629
      Removing And Replacing Coolant...6630
    ELECTRICAL SYSTEM...6631
      Description...6631
      Fuse And Relay Location / Identification...6631
      Battery Maintenance...6632
      Using A Booster Battery (Jump Starting)...6633
      Removing And Installing Battery...6634
    HYDRAULIC SYSTEM...6635
      Checking And Adding Fluid...6635
      Hydraulic Fluid Chart...6635
      Removing And Replacing Hydraulic Filters...6636
      Removing And Replacing Hydraulic Fluid...6637
    SPARK ARRESTOR MUFFLER...6638
      Cleaning Procedure...6638
    TRACK TENSION...6639
      Adjusting...6639
    TRAVEL MOTOR...6641
      Checking And Adding Oil...6641
      Removing And Replacing Oil...6641
    ALTERNATOR BELT...6642
      Belt Adjustment...6642
      Belt Replacement...6642
    X-CHANGE...6643
      Inspection And Maintenance...6643
    TRACK ROLLER AND IDLER LUBRICATION...6643
      Procedure...6643
    BUCKET...6644
      Bucket Teeth Removal And Installation...6644
    CUTTING EDGE (ANGLE BLADE ONLY)...6645
      Removal And Installation...6645
    LUBRICATING THE EXCAVATOR...6646
      Lubrication Locations...6646
    PIVOT PINS...6649
      Inspection And Maintenance...6649
    EXCAVATOR STORAGE AND RETURN TO SERVICE...6650
      Storage...6650
      Return to Service...6650
  SYSTEM SETUP AND ANALYSIS...6651
    DIAGNOSTICS SERVICE CODE...6653
      Service Codes List...6653
    DISPLAY CONTROLLER PANEL SETUP...6654
      Passwords...6654
      Password Entry (For Starting and Operating the Machine)...6654
      Changing The Owner or Operator Password...6654
      Password Lockout Feature...6655
      Job Clock...6655
      RPM...6655
      Viewing Service Codes (Key Switch)...6656
      Viewing Service Codes (Keyless)...6656
  MACHINE SIGN TRANSLATIONS...6657
    WARNING (6808185)...6659
    LIFT CHART (7127921)...6660
    SERVICE SCHEDULE (7130456)...6663
    WARNING (6807776)...6666
    WARNING (6804114, 6577754, 6809832, 6804233)...6669
    WARNING (6817815)...6670
      WARNING (6808474)...6670
    WARNING (6815915)...6671
    USING THE X-CHANGE SYSTEM (7102651)...6672
    USING THE X-CHANGE SYSTEM (7134587)...6675
    WARNING (6809829)...6678
    JOYSTICK CONTROL PATTERN SELECTOR LEVER (6815957)...6679
  SPECIFICATIONS...6681
    (335) EXCAVATOR SPECIFICATIONS...6683
      Dimensions...6683
      Excavator With Optional Angle Blade Dimensions...6685
      Performance...6686
      Controls...6686
      Engine...6686
      Hydraulic System...6687
      Hydraulic Cylinders...6687
      Hydraulic Cycle Times...6687
      Electrical...6688
      Instrumentation...6688
      Drive System...6688
      Slew System...6688
      Undercarriage...6688
      Crawler Track Design...6688
      Capacities...6688
      Fuel Tank...6688
      Tracks...6688
      Type...6688
      Ground Pressure...6688
  WARRANTY...6689
  ALPHABETICAL INDEX...6693
6904775 (10-09) - 335 Compact Excavator Service Manual...6695
  MAINTENANCE SAFETY...6697
  ALPHABETICAL INDEX...6699
  CONTENTS...6701
    FOREWORD...6702
    SAFETY INSTRUCTIONS...6704
    FIRE PREVENTION...6706
      Maintenance...6706
      Operation...6706
      Electrical...6706
      Hydraulic System...6706
      Fueling...6706
      Starting...6706
      Spark Arrestor Exhaust System...6706
      Welding And Grinding...6707
      Fire Extinguishers...6707
    SERIAL NUMBER LOCATIONS...6708
      Excavator Serial Number...6708
      Engine Serial Number...6708
    DELIVERY REPORT...6709
    EXCAVATOR IDENTIFICATION...6710
  SAFETY AND MAINTENANCE...6711
    LIFTING AND BLOCKING THE EXCAVATOR...6715
      Procedure...6715
    UPPERSTRUCTURE SLEW LOCK...6717
      Operation...6717
    LIFTING THE EXCAVATOR...6719
      Procedure...6719
    OPERATOR CAB (ROPS / TOPS)...6721
      Description...6721
      Cab Door...6721
      Front Window...6722
      Front Wiper...6724
      Window Washer Reservoir...6724
      Right Side Window...6724
      Heating, Ventilation And Air Conditioning Duct...6725
      Heating, Ventilation And Air Conditioning Duct (Cont’d)...6726
    TRANSPORTING THE EXCAVATOR ON A TRAILER...6727
      Loading And Unloading...6727
      Fastening...6727
    TAILGATE...6729
      Opening And Closing...6729
      Adjusting The Bumper...6729
      Adjusting The Latch...6729
    RIGHT SIDE COVER...6731
      Opening And Closing...6731
      Adjusting The Bumper...6731
      Adjusting The Latch...6731
    SERVICE SCHEDULE...6733
      Chart...6733
    AIR CLEANER SERVICE...6735
      Daily Check...6735
      Replacing Filter Elements...6735
    HEATER AIR FILTER (WITH CAB OPTION ONLY)...6737
      Removal And Installation...6737
    ENGINE COOLING SYSTEM...6739
      Cleaning...6739
      Checking Level...6739
      Removing And Replacing Coolant...6740
    FUEL SYSTEM...6741
      Fuel Specifications...6741
      Filling The Fuel Tank...6741
      Fuel Filter...6742
      Draining The Fuel Tank...6742
      Removing Air From The Fuel System...6743
    ENGINE LUBRICATION SYSTEM...6745
      Checking And Adding Engine Oil...6745
      Engine Oil Chart...6745
      Removing And Replacing Oil And Filter...6746
    HYDRAULIC SYSTEM...6747
      Checking And Adding Fluid...6747
      Removing And Replacing Hydraulic Filter...6748
      Removing And Replacing Hydraulic Case Drain Filter...6748
      Removing And Replacing Hydraulic Fluid...6749
    LUBRICATING THE EXCAVATOR...6751
      Lubrication Locations...6751
    TRAVEL MOTOR...6755
      Checking And Adding Oil...6755
      Removing And Replacing Oil...6755
    SPARK ARRESTOR MUFFLER...6757
      Cleaning Procedure...6757
    ACCESSORY DRIVE BELT...6759
      Belt Adjustment...6759
      Belt Replacement...6759
    SEAT BELT...6761
      Inspection And Maintenance...6761
    PIVOT PINS...6763
      Inspection And Maintenance...6763
    EXCAVATOR STORAGE AND RETURN TO SERVICE...6765
      Storage...6765
      Return to Service...6765
    STOPPING THE ENGINE AND LEAVING THE EXCAVATOR...6767
      Procedure...6767
      Emergency Exits...6768
  HYDRAULIC SYSTEM...6769
    HYDRAULIC / HYDROSTATIC SCHEMATICS...6775
    HYDRAULIC SYSTEM INFORMATION...6779
      Glossary Of Hydraulic/Hydrostatic Symbols For Excavators...6779
      Troubleshooting The Hydraulic Circuit...6783
      Troubleshooting The Cylinder Circuit...6784
      Troubleshooting The Swing (Upperstructure Slew) Circuit...6785
      Troubleshooting The Travel Circuit...6786
    BOOM CYLINDER...6787
      Testing...6787
      Removal And Installation...6789
      Parts Identification...6792
      Disassembly...6793
      Assembly...6795
    ARM CYLINDER...6799
      Testing...6799
      Removal And Installation...6801
      Parts Identification...6803
      Disassembly...6804
      Assembly...6806
    BOOM SWING CYLINDER...6809
      Testing...6809
      Removal And Installation...6811
      Parts Identification...6813
      Disassembly...6814
      Assembly...6816
    BUCKET CYLINDER...6819
      Testing...6819
      Removal And Installation...6821
      Parts Identification...6823
      Disassembly...6824
      Assembly...6826
    BLADE CYLINDER...6829
      Testing...6829
      Removal And Installation...6830
      Parts Identification...6831
      Disassembly...6832
      Assembly...6834
    EXTENDIBLE ARM CYLINDER...6837
      Removal And Installation...6837
      Parts Identification...6839
    ANGLE BLADE CYLINDER...6841
      Testing...6841
      Removal And Installation...6842
      Parts Identification...6844
      Disassembly...6845
      Assembly...6847
    CLAMP CYLINDER...6851
      Testing...6851
      Removal And Installation...6852
      Parts Identification...6853
      Disassembly...6854
      Assembly...6857
    MAIN RELIEF VALVE...6863
      Testing And Adjusting The Main Relief Valve...6863
    PORT RELIEF VALVES...6867
      Testing And Adjusting The Port Relief Valve Pressure...6867
    CROSSPORT RELIEF VALVES...6869
      Testing And Adjusting The Crossport Relief Valve...6869
    PRESSURE REDUCING VALVE...6873
      Testing And Adjusting The Pressure Reducing Valve...6873
    HYDRAULIC CONTROL VALVE...6875
      Description...6875
      Removal And Installation...6875
      Identification Chart...6878
      Disassembly...6879
      Right Travel Valve Section Disassembly And Assembly...6881
      Left Travel Valve Section Disassembly And Assembly...6884
      Slew Valve Section Disassembly And Assembly...6887
      Blade Valve Section Disassembly And Assembly...6893
      Bucket Valve Section Disassembly And Assembly...6904
      Arm Valve Section Disassembly And Assembly...6910
      Boom Valve Section Disassembly And Assembly...6916
      Boom Swing Valve Section Disassembly And Assembly...6922
      Auxiliary Valve Section Disassembly And Assembly...6928
      Inlet Section Disassembly And Assembly...6936
      Assembly...6941
    HYDRAULIC PUMP...6947
      Piston Pump Work Sheet...6947
      Description...6950
      Testing The Piston Pump...6950
      Test Fitting Installation...6950
      Torque Limiter Adjustment...6957
      Testing Auxiliary Hydraulic Flow...6960
      Removal And Installation...6962
      Coupler Removal And Installation...6963
      Hydraulic Pump Start Up...6964
      Parts Identification (Torque Limiter Valve)...6965
      Torque Limiter Valve Removal...6966
      Torque Limiter Valve Disassembly...6967
      Torque Limiter Valve Assembly...6971
      Initial Torque Limiter Valve Setting...6974
      Torque Limiter Valve Installation...6976
      Parts Identification (Pump Control)...6977
      Pump Control Removal And Installation...6978
      Pump Control Disassembly And Assembly...6978
      Parts Identification (Piston Pump)...6984
      Piston Pump Disassembly...6985
      Piston Pump Assembly...6994
    MANIFOLD ASSEMBLY/ ACCUMULATOR...7005
      Description...7005
      Removal And Installation...7005
      Parts Identification...7008
      Disassembly And Assembly...7009
    TRAVEL MOTOR (S/N A16U11001 THROUGH A16U11490)...7019
      Description...7019
      Removal And Installation...7019
      Parts Identification...7021
      Disassembly...7022
      Assembly...7037
    TRAVEL MOTOR (S/N A16U11491 & Above)...7053
      Description...7053
      Removal And Installation...7053
      Parts Identification...7054
      Disassembly...7055
      Assembly...7065
    SWIVEL JOINT...7077
      Description...7077
      Removal And Installation...7077
      Parts Identification...7079
      Disassembly...7080
      Assembly...7081
    SWING MOTOR...7085
      Description...7085
      Removal And Installation...7085
      Parts Identification...7087
      Disassembly...7088
      Assembly...7093
    SWING MOTOR DRIVE CARRIER...7099
      Description...7099
      Removal And Installation...7099
      Parts Identification...7100
      Disassembly...7101
      Assembly...7103
    CONTROL PATTERN SELECTOR VALVE...7107
      Description...7107
      Removal And Installation...7107
      Parts Identification...7108
      Disassembly...7109
      Assembly...7110
    RIGHT CONTROL LEVER (JOYSTICK)...7111
      Description...7111
      Testing...7111
      Handle Removal And Installation...7112
      Removal And Installation...7116
      Parts Identification...7119
      Disassembly...7120
      Assembly...7125
    LEFT CONTROL LEVER (JOYSTICK)...7131
      Description...7131
      Testing...7131
      Handle Removal And Installation...7132
      Removal And Installation...7135
      Parts Identification...7138
      Disassembly...7139
      Assembly...7144
    HYDRAULIC FILTER...7149
      Description...7149
      Housing Removal And Installation...7149
    CASE DRAIN FILTER...7151
      Description...7151
      Housing Removal And Installation...7151
    HYDRAULIC RESERVOIR...7153
      Description...7153
      Removal And Installation...7153
    OIL COOLER...7155
      Description...7155
      Removal And Installation...7155
    DIRECT TO TANK VALVE...7157
      Description...7157
      Removal And Installation...7157
      Parts Identification...7158
      Disassembly And Assembly...7159
    HYDRAULIC X-CHANGE VALVE...7161
      Removal And Installation...7161
      Parts Identification...7165
      Disassembly...7166
      Assembly...7174
    BOOM SWING LOCK VALVE...7183
      Removal And Installation...7183
      Parts Identification...7184
      Disassembly...7185
      Assembly...7188
    TRAVEL CONTROL VALVE...7193
      Removal and Installation...7193
      Parts Identification...7194
      Disassembly And Assembly...7195
    ANGLE BLADE VALVE...7199
      Description...7199
      Testing And Adjusting Port Relief Valves...7199
      Testing And Adjusting Sequence Valve...7201
      Removal And Installation...7203
      Parts Identification...7206
      Disassembly...7207
      Assembly...7220
  UNDERCARRIAGE...7233
    BLADE...7235
      Description...7235
      Blade Removal And Installation...7235
    ANGLE BLADE ASSEMBLY...7237
      Removal And Installation...7237
    ANGLE BLADE...7239
      Removal And Installation...7239
    ANGLE BLADE CUTTING EDGE...7241
      Removal And Installation...7241
    TRACK FRAME COMPONENTS...7243
      Description...7243
      Track Lug Height...7243
      Checking Tension...7244
      Adjusting Tension...7246
      Rubber Track Removal And Installation...7247
      Steel Track Removal And Installation...7250
      Idler (Front) Removal And Installation...7255
      Idler (Front) Parts Identification...7256
      Idler (Front) Disassembly...7257
      Idler (Front) Assembly...7259
      Recoil Spring Assembly And Cylinder Removal And Installation...7262
      Recoil Spring Assembly And Cylinder Disassembly And Assembly (Without Replaceable Shaft)...7263
      Recoil Spring Cylinder Parts Identification (With Replaceable Shaft)...7264
      Recoil Spring Assembly And Cylinder Disassembly And Assembly (With Replaceable Shaft)...7265
      Roller Removal And Installation...7267
      Upper Roller Parts Identification...7268
      Upper Roller Disassembly...7269
      Upper Roller Assembly...7270
      Lower Roller Parts Identification...7273
      Lower Roller Disassembly...7274
      Lower Roller Assembly...7275
      Track Guide Removal And Installation...7278
      Sprocket Removal And Installation...7278
      Track Damage Identification...7279
    SWING CIRCLE GEAR...7289
      Removal...7289
      Installation...7290
  UPPERSTRUCTURE & SWING SECTION...7291
    UPPERSTRUCTURE...7295
      Description...7295
      Removal...7295
      Installation...7298
    CANOPY...7301
      Removal And Installation...7301
    CAB...7305
      Removal And Installation...7305
      Door Removal And Installation...7310
      Front Window Removal And Installation...7311
      Right Side Rear Sliding Window Removal And Installation...7314
      Right Side Front Sliding Window Removal And Installation...7314
      Glass Removal...7315
      Right Side Front And Rear Sliding Window Weather Strip Removal And Installation...7316
      Right Side Front And Rear Sliding Window Wiper Strip Removal And Installation...7316
      Glass Installation...7317
    SEAT AND SEAT MOUNT...7323
      Seat Mount Removal And Installation...7323
      Seat Removal And Installation...7323
    RIGHT CONSOLE...7325
      Description...7325
      Console Cover Removal And Installation...7325
      Console Frame Removal And Installation...7326
      Console Frame Disassembly And Assembly...7328
    LEFT CONSOLE...7329
      Description...7329
      Joystick Console Cover (Bottom) Removal And Installation...7329
      Joystick Console Cover (Top) Removal And Installation...7329
      Left Rear Console Cover Removal And Installation...7331
      Compression Spring Removal And Installation...7332
      Compression Spring Disassembly And Assembly...7333
      Lever Removal And Installation...7335
      Joystick Console Frame Removal And Installation...7337
      Joystick Console Frame Disassembly And Assembly...7341
      Left Console Frame Removal And Installation...7344
    BLADE CONTROL...7345
      Removal And Installation...7345
      Linkage Removal And Installation...7346
      Linkage Disassembly And Assembly...7347
    UPPERSTRUCTURE SLEW LOCK...7349
      Removal And Installation...7349
      Disassembly And Assembly...7349
      Disassembly And Assembly (Cont’d)...7350
    FLOOR MAT & FLOOR PANEL...7351
      Description...7351
      Removal And Installation (Canopy Equipped)...7351
      Removal And Installation (Cab Equipped)...7353
    BOOM SWING PEDAL...7357
      Description...7357
      Removal And Installation...7357
      Disassembly And Assembly...7358
      Linkage Removal And Installation...7360
    TRAVEL LEVER/PEDALS...7361
      Description...7361
      Removal And Installation...7361
      Disassembly And Assembly...7362
      Adjustment...7364
      Linkage Removal And Installation...7366
    FUEL TANK...7367
      Removal And Installation...7367
    HORN...7371
      Removal And Installation (Early Models)...7371
      Removal And Installation (Later Models)...7372
    SWING FRAME...7373
      Description...7373
      Removal And Installation...7373
      Hose Routing...7377
      Bushing Removal And Installation...7378
      Swing Frame Bushing Removal And Installation...7378
    BOOM...7381
      Description...7381
      Removal And Installation...7381
      Boom Bushing Removal And Installation...7382
    ARM...7383
      Description...7383
      Removal And Installation...7383
      Arm To Boom Bushing Removal And Installation...7384
      Arm To Bucket & Bucket Link Bushing Removal And Installation...7385
    BUCKET...7387
      Removal And Installation (Pin-On X-Change)...7387
      Removal And Installation (Bolt-On X-Change)...7393
      Removal And Installation (Hydraulic X-Change)...7399
      Bucket Teeth Removal And Installation...7405
      Bucket Side Cutting Edge Removal And Installation...7406
    CLAMP...7409
      Removal And Installation...7409
    TAILGATE...7411
      Removal And Installation...7411
      Latch Removal And Installation...7412
    X-CHANGE...7413
      Pin-On Removal And Installation...7413
      Pin-On Disassembly and Assembly...7414
    X-CHANGE (HYDRAULIC)...7415
      Removal And Installation...7415
      Parts Identification...7418
      Disassembly...7419
      Assembly...7424
    RIGHT SIDE COVER...7433
      Removal And Installation...7433
      Latch Removal And Installation...7434
  ELECTRICAL SYSTEM AND ANALYSIS...7435
    ELECTRICAL SCHEMATICS...7437
    ELECTRICAL SYSTEM INFORMATION...7439
      Glossary Of Electrical Symbols...7439
      Harness Connectors...7442
      Troubleshooting...7444
      Description...7445
      Fuse And Relay Locations/Identification...7445
    BATTERY...7447
      Removal And Installation...7447
      Servicing...7448
      Using A Booster Battery (Jump Starting)...7449
    ALTERNATOR...7451
      Belt Adjustment...7451
      Charging System Inspection...7452
      Alternator Voltage Testing...7453
      Low Voltage Testing...7453
      High Voltage Testing...7454
      Removal And Installation...7455
      Parts Identification...7457
    STARTER...7459
      Testing...7459
      Removal And Installation...7460
      Part Identification...7461
    LIGHTS...7463
      Upperstructure Light Removal And Installation...7463
      Upperstructure Light Disassembly And Assembly...7463
      Boom Light Removal And Installation (Early Models)...7464
      Boom Light Disassembly And Assembly (Early Models)...7464
      Boom Light Removal And Installation (Later Models)...7465
      Boom Light Bulb Replacement (Later Models)...7465
    MAGNETIC LOCKOUT SENSOR...7467
      Testing Left Console Magnetic Lockout Sensor...7467
      Left Console Magnetic Lockout Sensor Removal And Installation...7468
    FUEL LEVEL SENDER...7471
      Removal And Installation...7471
      Testing...7472
    DIAGNOSTIC SERVICE CODES...7473
      Description...7473
      Service Codes List...7474
    DELUXE INSTRUMENT PANEL SETUP...7475
      Passwords...7475
      Password Entry (For Starting and Operating the Machine)...7475
      Changing The Owner Or Operator Password...7475
      Password Lockout Feature...7476
      Job Clock...7476
      RPM...7476
  ENGINE SERVICE...7477
    ENGINE INFORMATION...7479
      Description...7479
      Specifications...7480
      Fuel Injection Nozzles...7480
      Fuel Injection Pump...7480
      Cylinder Head...7480
      Valves...7480
      Valve Springs...7481
      Valve Timing...7481
      Rocker Arms...7481
      Camshaft...7481
      Tappet...7481
      Cylinders...7482
      Piston Rings...7482
      Pistons...7482
      Connecting Rods...7482
      Oil Pump...7482
      Crankshaft...7483
      Timing Gear...7483
      Thermostat...7483
      Engine Bolt Torque...7484
      Crankshaft Re-Grind Data...7485
      Torque Values...7486
      Troubleshooting...7486
      Engine Removal And Installation...7488
      Engine Mount Replacement...7494
      Compression - Checking...7497
    ENGINE SPEED CONTROL...7499
      Removal And Installation...7499
      Adjustment (Later Models)...7500
    SPARK ARRESTOR MUFFLER...7501
      Removal And Installation...7501
    AIR CLEANER...7503
      Removal And Installation...7503
    ENGINE COOLING SYSTEM...7505
      Radiator Removal And Installation...7505
      Water Pump Removal And Installation...7507
      Water Pump Disassembly And Assembly...7507
      Thermostat Housing Removal And Installation...7508
      Testing The Thermostat...7509
    LUBRICATION SYSTEM...7511
      Oil Pan Removal And Installation...7511
      Oil Pump Removal And Installation...7511
      Oil Pump Inspection...7512
      Engine Oil Pressure - Testing...7513
    FUEL SYSTEM...7515
      Fuel Camshaft Removal And Installation...7515
      Fuel Camshaft Governor Disassembly And Assembly...7516
      Fuel ShutOff Solenoid - Checking...7517
      Fuel Shutoff Solenoid Removal And Installation...7518
      Fuel Injection Pump Removal And Installation...7519
      Injection Pump - Timing...7522
      Fuel Injector Removal And Installation...7524
      Fuel Injector Nozzle Pressure - Checking...7526
      Nozzle Spray Condition...7526
      Valve Seat Tightness...7527
    ENGINE FLYWHEEL (LATER MODELS)...7529
      Flywheel Removal And Installation...7529
      Hydraulic Pump Coupler...7531
      Flywheel Ring Gear...7531
    CYLINDER HEAD...7533
      Glow Plug - Testing...7533
      Glow Plug Removal And Installation...7534
      Valve Clearance Adjustment...7535
      Valve Timing - Checking...7536
      Cylinder Head Removal And Installation...7537
      Cylinder Head Disassembly And Assembly...7540
      Cylinder Head Servicing...7540
      Cylinder Head Top Clearance...7541
      Valve Guide - Checking...7541
      Reconditioning The Valve And Valve Seat...7543
      Valve Spring...7544
      Valve Tappets...7545
      Rocker Arm And Shaft - Checking...7545
    CRANKSHAFT AND PISTONS...7547
      Piston And Connecting Rod Removal And Installation...7547
      Piston And Connecting Rod - Servicing...7549
      Cylinder Bore - Checking...7551
      Connecting Rod - Alignment...7551
      Crankshaft And Bearings Removal And Installation...7552
      Crankshaft And Bearings - Servicing...7554
    CAMSHAFT AND TIMING GEARS...7559
      Timing Gearcase Cover Removal And Installation...7559
      Timing Gears Backlash - Checking...7561
      Idler Gear And Shaft Removal And Installation...7562
      Camshaft - Servicing...7563
      Idler Gear And Shaft - Servicing...7564
    FLYWHEEL AND HOUSING...7565
      Flywheel Housing Removal And Installation...7565
      Hydraulic Pump Coupler Removal And Installation...7566
      Flywheel Removal And Installation...7566
    FAN...7567
      Removal And Installation...7567
  HEATING, VENTILATION, AIR CONDITIONING...7569
    HEATER COIL (EARLY MODELS)...7573
      Removal And Installation With A/C...7573
      Removal And Installation Without A/C...7573
    HEATER COIL (LATER MODELS)...7575
      Removal And Installation With A/C...7575
      Removal And Installation Without A/C...7575
    BLOWER FAN (EARLY MODELS)...7577
      Removal And Installation...7577
      Connector Identification...7577
      Disassembly And Assembly...7578
    BLOWER FAN (LATER MODELS)...7581
      Removal And Installation...7581
      Disassembly And Assembly...7582
      Resistor Removal And Installation...7583
    HEATER VALVE...7585
      Removal And Installation...7585
    AIR CONDITIONING SYSTEM FLOW...7588
      Principals...7588
      Chart...7589
    COMPONENTS...7591
      Identification...7591
    SAFETY...7595
      Safety Equipment...7595
    REGULAR MAINTENANCE...7597
      Heater Air Filter...7597
      Engine Accessory Drive Belt...7597
      Cleaning The Condenser...7597
    BASIC TROUBLESHOOTING (EARLY MODELS)...7599
      Poor A/C Performance...7599
      Cleaning The A/C Evaporator Coil & Heater Coil...7600
      Engine Accessory Drive Belt Inspection...7601
      Checking The Electrical System...7602
      Engine Coolant By-Passing The Heater Valve...7611
      Heater Valve Not Opening Or Closing...7612
    BASIC TROUBLESHOOTING (LATER MODELS)...7615
      Poor A/C Performance...7615
      Cleaning The A/C Evaporator Coil & Heater Coil...7616
      Engine Accessory Drive Belt...7617
      Electrical System...7618
      Engine Coolant By-Passing The Heater Valve...7627
      Heater Valve Not Opening Or Closing...7628
    GENERAL AIR CONDITIONING SERVICE GUIDELINES...7631
      Compressor Oil...7631
      Compressor Oil Check...7632
      Component Replacement And Refrigeration Leaks...7633
    SYSTEM TROUBLESHOOTING CHART...7635
      Blower Motor Does Not Operate...7635
      Gauge Pressure Related Troubleshooting...7636
    TEMPERATURE/PRESSURE...7639
      Chart...7639
    AIR CONDITIONING SERVICE...7641
      Chart...7641
    SYSTEM CHARGING AND RECLAMATION...7643
      Reclamation Procedure...7643
      Charging With A Manifold Gauge Set...7646
    COMPRESSOR...7649
      Removal And Installation...7649
      Clutch Disassembly And Assembly...7651
    CONDENSER...7655
      Removal And Installation...7655
    RECEIVER/DRIER...7657
      Receiver/Drier Removal And Installation...7657
    PRESSURE RELIEF VALVE...7659
      Removal And Installation...7659
    PRESSURE SWITCH...7661
      Removal And Installation...7661
    EVAPORATOR/HEATER UNIT (EARLY MODELS)...7663
      Removal And Installation...7663
      Disassembly And Assembly...7664
    EVAPORATOR/HEATER UNIT (LATER MODELS)...7665
      Removal And Installation...7665
      Disassembly And Assembly...7666
    THERMOSTAT (EARLY MODELS)...7667
      Removal And Installation...7667
    THERMOSTAT (LATER MODELS)...7669
      Removal And Installation...7669
    EXPANSION VALVE (EARLY MODELS)...7671
      Removal And Installation...7671
    EXPANSION VALVE (LATER MODELS)...7673
      Removal And Installation...7673
    EVAPORATOR COIL (EARLY MODELS)...7675
      Removal And Installation...7675
    EVAPORATOR (LATER MODELS)...7677
      Removal And Installation...7677
  SPECIFICATIONS...7679
    EXCAVATOR SPECIFICATIONS...7681
      Dimensions...7681
      Performance...7683
      Controls...7683
      Engine...7683
      Hydraulic System...7684
      Hydraulic Cylinders...7684
      Hydraulic Cycle Times...7684
      Electrical...7685
      Drive System...7685
      Slew System...7685
      Undercarriage...7685
      Capacities...7685
      Tracks...7685
      Ground Pressure...7685
    TORQUE SPECIFICATIONS FOR BOLTS...7687
      Torque For General SAE Bolts...7687
      Torque For General Metric Bolts...7688
    HYDRAULIC CONNECTION SPECIFICATIONS...7689
      O-ring Face Seal Connection...7689
      Straight Thread O-ring Fitting...7690
      Tubelines And Hoses...7690
      Flare Fitting...7690
      Port Seal Fitting...7691
    HYDRAULIC FLUID SPECIFICATIONS...7693
      Specifications...7693
    CONVERSIONS...7695
      Decimal And Millimeter Equivalents...7695
      U.S. To Metric Conversion Chart...7695
  SERVICE MANUAL REVISION...7697
    Revision No: 335 - 1...7697
    Revision No: 335 - 2...7699
    Revision No: 335 - 3...7701
    Revision No: 335 - 4...7703
    Revision No: 335 - 5...7705
    Revision No: 335 - 6...7707
6986745 (5-08) - 337, 341 Compact Excavator Operation & Maintenance Manual...7709
  CONTENTS...7713
  FOREWORD...7715
    BOBCAT COMPANY IS ISO 9001:2000 CERTIFIED...7717
    REGULAR MAINTENANCE ITEMS...7717
    SERIAL NUMBER LOCATIONS...7719
      Excavator Serial Number...7719
      Engine Serial Number...7719
    DELIVERY REPORT...7719
    EXCAVATOR IDENTIFICATION...7720
    FEATURES, ACCESSORIES AND ATTACHMENTS...7721
      Standard Items...7721
      Options and Accessories...7721
      Attachments...7721
      Buckets Available...7721
      Falling Object Guards (FOGS)...7722
      Special Applications Kit...7722
      Special Applications Kit Inspection And Maintenance...7722
  SAFETY & TRAINING RESOURCES...7723
    SAFETY INSTRUCTIONS...7725
      Before Operation...7725
      Safe Operation Is The Operator’s Responsibility...7726
      Safe Operation Needs A Qualified Operator...7726
      Avoid Silica Dust...7727
    FIRE PREVENTION...7727
      Maintenance...7727
      Operation...7727
      Electrical...7727
      Hydraulic System...7728
      Fueling...7728
      Starting...7728
      Spark Arrestor Exhaust System...7728
      Welding And Grinding...7728
      Fire Extinguishers...7728
    MACHINE SIGNS (DECALS)...7729
    PUBLICATIONS AND TRAINING RESOURCES...7731
  OPERATING INSTRUCTIONS...7733
    INSTRUMENTS AND CONSOLES...7735
      Cab Interior Light (If Equipped)...7735
      Left Console...7735
      Right Console...7736
      Right Console...7736
      Function Icons...7737
      STD / ISO Selector Valve...7738
      Upperstructure Slew Brake...7738
      Raising And Lowering The Console...7738
      Two-Speed Travel...7739
    OPERATOR CANOPY (ROPS / TOPS)...7740
      Description...7740
    OPERATOR CAB (ROPS / TOPS)...7740
      Description...7740
      Cab Door...7741
      Front Window...7742
      Front Wiper...7743
      Window Washer Reservoir...7743
      Right Side Window...7744
      Heating, Ventilation And Air Conditioning Duct...7745
    TRAVEL CONTROLS...7746
      Description...7746
      Forward And Reverse Travel...7746
      Turning...7746
    MOTION ALARM SYSTEM (IF EQUIPPED)...7748
      Operation...7748
    HYDRAULIC CONTROLS...7749
      Description...7749
      STANDARD Control Pattern...7749
      ISO Control Pattern...7750
      Quick Couplers...7751
      Auxiliary Hydraulics...7752
      Relieve Hydraulic Pressure (Excavator And Attachment)...7752
      Return To Tank Valve (If Equipped)...7752
    BLADE CONTROL LEVER...7753
      Operation...7753
      Angle Blade (If Equipped)...7753
    BOOM SWING PEDAL...7754
      Operation...7754
    DAILY INSPECTION...7755
      Daily Inspection And Maintenance...7756
    PRE-STARTING PROCEDURE...7757
      Operation & Maintenance Manual And Operator’s Handbook Locations...7757
      Entering The Excavator...7757
      Seat Adjustment...7758
      Seat Belt Adjustment...7758
      Control Console...7759
    STARTING THE ENGINE...7760
      Key Switch...7760
      Keyless...7761
      Cold Temperature Starting...7762
      Warming The Hydraulic System...7763
    STOPPING THE ENGINE AND LEAVING THE EXCAVATOR...7764
      Procedure...7764
      Emergency Exits...7765
    ATTACHMENTS...7766
      Installing And Removing The Attachment (Hydraulic X-Change)...7766
      Installing And Removing The Attachment (Pin-On X- Change)...7770
      Installing And Removing The Attachment (Bolt-On X- Change)...7776
      Installing And Removing The Attachment (Pin-On Attachment)...7782
    OPERATING PROCEDURE...7783
      Inspect The Work Area...7783
      Lowering The Work Equipment (Engine STOPPED)...7783
      Operating On Public Roads...7783
      Lifting A Load...7784
      Excavating...7785
      Boom Swing...7787
      Backfilling...7788
      Driving The Excavator...7788
      Operating On Slopes...7789
      Operating In Water...7791
      Avoiding Track Damage...7791
    TOWING THE EXCAVATOR...7791
      Procedure...7791
    LIFTING THE EXCAVATOR...7792
      Procedure...7792
    TRANSPORTING THE EXCAVATOR ON A TRAILER...7793
      Loading And Unloading...7793
      Fastening...7793
  PREVENTIVE MAINTENANCE...7795
    MAINTENANCE SAFETY...7797
    SERVICE SCHEDULE...7799
      Chart...7799
    CONTROL CONSOLE LOCKOUTS...7800
      Inspection And Maintenance...7800
    SEAT BELT...7801
      Inspection And Maintenance...7801
    MOTION ALARM SYSTEM (IF EQUIPPED)...7802
      Description...7802
      Inspecting...7802
      Adjusting Switch Position...7802
    TAILGATE...7803
      Opening And Closing...7803
      Adjusting The Bumper...7803
      Adjusting The Latch...7803
    RIGHT SIDE COVER...7804
      Opening And Closing...7804
      Adjusting The Latch...7804
    CAB FILTERS...7805
      Cleaning And Maintenance...7805
    AIR CLEANER SERVICE...7806
      Daily Check...7806
      Replacing Filter Elements...7806
    FUEL SYSTEM...7808
      Biodiesel Blend Fuel...7808
      Filling The Fuel Tank...7809
      Fuel Filters...7809
      Draining The Fuel Tank...7810
      Removing Air From The Fuel System...7810
    ENGINE LUBRICATION SYSTEM...7811
      Checking And Adding Engine Oil...7811
      Engine Oil Chart...7811
      Removing And Replacing Oil And Filter...7812
    ENGINE COOLING SYSTEM...7813
      Cleaning...7813
      Checking Level...7813
      Removing And Replacing Coolant...7814
    ELECTRICAL SYSTEM...7815
      Description...7815
      Fuse And Relay Location / Identification...7815
      Battery Maintenance...7816
      Using A Booster Battery (Jump Starting)...7817
      Removing And Installing Battery...7818
    HYDRAULIC SYSTEM...7819
      Checking And Adding Fluid...7819
      Hydraulic Fluid Chart...7819
      Removing And Replacing Hydraulic Filters...7820
      Removing And Replacing Hydraulic Fluid...7821
    SPARK ARRESTOR MUFFLER...7822
      Cleaning Procedure...7822
    TRACK TENSION...7823
      Adjusting...7823
    TRAVEL MOTOR...7825
      Checking And Adding Oil...7825
      Removing And Replacing Oil...7825
    ALTERNATOR BELT...7826
      Belt Adjustment...7826
      Belt Replacement...7826
    X-CHANGE...7827
      Inspection And Maintenance...7827
    TRACK ROLLER AND IDLER LUBRICATION...7827
      Procedure...7827
    BUCKET...7828
      Bucket Teeth Removal And Installation...7828
    CUTTING EDGE (ANGLE BLADE ONLY)...7829
      Removal And Installation...7829
    LUBRICATING THE EXCAVATOR...7830
      Lubrication Locations...7830
    PIVOT PINS...7833
      Inspection And Maintenance...7833
    EXCAVATOR STORAGE AND RETURN TO SERVICE...7834
      Storage...7834
      Return to Service...7834
  SYSTEM SETUP AND ANALYSIS...7835
    DIAGNOSTIC SERVICE CODE...7837
      Service Codes List...7837
    DISPLAY CONTROLLER PANEL SETUP...7838
      Passwords...7838
      Password Entry (For Starting and Operating the Machine)...7838
      Changing The Operator Password...7838
      Password Lockout Feature...7839
      Job Clock...7839
      RPM...7839
      Viewing Service Codes (Key Switch)...7840
      Viewing Service Codes (Keyless)...7840
  MACHINE SIGN TRANSLATIONS...7841
    WARNING (6808185)...7843
    LIFT CHART...7844
      337 (7105758)...7844
      337 W/ COUNTERWEIGHT KIT (7105759)...7847
      337 w / Long Arm & 341 (7105760)...7850
    SERVICE SCHEDULE (7158257)...7853
    WARNING (6807776)...7856
    WARNING (6804114, 6577754, 6804233, 6809832)...7859
    WARNING (6815945)...7860
    WARNING (7142685)...7861
    WARNING (6808474)...7861
    WARNING (6815915)...7862
    HYDRAULIC X-CHANGE SYSTEM (7134587)...7863
    PIN ON / BOLT ON X-CHANGE (7102651)...7866
    WARNING (6809829)...7869
    JOYSTICK CONTROL PATTERN SELECTOR LEVER (6815957)...7869
  SPECIFICATIONS...7871
    (337, 341) EXCAVATOR SPECIFICATIONS...7873
      337 Dimensions...7873
      337 W / Long Arm & 341 Dimensions...7875
      337 And 341 With Optional Angle Blade Dimensions...7877
      Performance...7878
      Controls...7878
      Engine...7878
      Hydraulic System...7879
      Hydraulic Cylinders...7879
      Hydraulic Cycle Times...7880
      Electrical...7880
      Instrumentation...7880
      Drive System...7880
      Slew System...7880
      Undercarriage...7880
      Crawler Track Design...7880
      Capacities...7880
      Fuel Tank...7880
      Track...7881
      Type...7881
      Ground Pressure...7881
  WARRANTY...7883
  ALPHABETICAL INDEX...7887
6986746 (10-11) - 337, 341 Compact Excavator Service Manual...7889
  MAINTENANCE SAFETY...7891
  CONTENTS...7893
  FOREWORD...7895
    FOREWORD...7897
    SAFETY INSTRUCTIONS...7900
    FIRE PREVENTION...7902
      Maintenance...7902
      Operation...7902
      Electrical...7902
      Hydraulic System...7902
      Fueling...7902
      Starting...7902
      Spark Arrester Exhaust System...7902
      Welding And Grinding...7903
      Fire Extinguishers...7903
    SERIAL NUMBER LOCATIONS...7904
      Excavator Serial Number...7904
      Engine Serial Number...7904
    DELIVERY REPORT...7905
    BOBCAT EXCAVATOR IDENTIFICATION...7906
  SAFETY & MAINTENANCE...7907
    LIFTING AND BLOCKING THE EXCAVATOR...7909
      Procedure...7909
    LIFTING THE EXCAVATOR...7911
      Procedure...7911
    OPERATOR CAB (ROPS / TOPS)...7913
      Emergency Exit...7913
      Cab Door...7914
    TRANSPORTING THE EXCAVATOR ON A TRAILER...7915
      Loading And Unloading...7915
    TAILGATE...7917
      Opening And Closing The Tailgate...7917
      Adjusting The Bumper...7917
      Adjusting The Latch...7917
    RIGHT SIDE COVER...7919
      Opening And Closing The Right Side Cover...7919
    SERVICE SCHEDULE...7921
      Chart...7921
    AIR CLEANER SERVICE...7923
      Daily Check...7923
      Replacing Filter Elements...7923
    HEATER AIR FILTER...7925
      Removal And Installation...7925
    COOLING SYSTEM...7927
      Cleaning The Cooling System...7927
      Checking Coolant Level...7928
      Replacing The Coolant...7929
    FUEL SYSTEM...7931
      Biodiesel Blend Fuel...7931
      Filling The Fuel Tank...7932
      Fuel Filters...7932
      Draining The Fuel Tank...7933
      Removing Air From The Fuel System...7933
    ENGINE LUBRICATION SYSTEM...7934
      Checking And Adding Engine Oil...7934
      Engine Oil Chart...7934
    ENGINE LUBRICATION SYSTEM...7935
      Checking Engine Oil...7935
      Oil Chart...7935
      Replacing Oil And Filter...7936
    HYDRAULIC SYSTEM...7937
      Checking And Adding Fluid...7937
      Hydraulic / Hydrostatic Fluid Chart...7938
      Removing And Replacing Hydraulic Filters...7939
      Removing And Replacing Hydraulic Fluid...7940
      Diagnostic Couplers...7941
    LUBRICATING THE EXCAVATOR...7943
      Lubrication Locations...7943
    TRAVEL MOTOR...7947
      Checking And Adding Oil...7947
      Draining The Travel Motor...7947
    SPARK ARRESTER MUFFLER...7949
      Cleaning Procedure...7949
    ENGINE ACCESSORY DRIVE BELT...7951
      Belt Tension...7951
      Belt Adjustment...7951
    SEAT BELT...7953
      Inspection And Maintenance...7953
    REMOTE START TOOL KIT - MEL1563...7955
      Remote Start Tool - MEL1563...7955
      Service Tool Harness Communicator - MEL1566...7957
    REMOTE START TOOL (SERVICE TOOL) KIT - 7003031...7959
      Description...7959
      Remote Start Tool (Service Tool) - 7003030...7960
      Excavator Service Tool Harness - 6689747...7961
      Computer Service Tool Harness - 6689746...7962
  HYDRAULIC SYSTEM...7963
    HYDRAULIC / HYDROSTATIC SCHEMATIC...7969
    HYDRAULIC SYSTEM INFORMATION...7971
      Glossary Of Hydraulic / Hydrostatic Symbols For Excavators...7971
      Troubleshooting The Hydraulic Circuit...7974
      Troubleshooting The Cylinder Circuit...7975
      Troubleshooting The Upperstructure Slew Circuit...7976
      Troubleshooting The Travel Circuit...7977
      Description...7978
    BOOM CYLINDER...7981
      Testing...7981
      Removal And Installation...7983
      Parts Identification...7985
      Disassembly...7986
      Assembly...7990
    ARM CYLINDER...7995
      Testing...7995
      Removal and Installation...7997
      Parts Identification...7999
      Disassembly...8000
      Assembly...8003
    BOOM SWING CYLINDER...8007
      Testing...8007
      Removal And Installation...8008
      Parts Identification...8010
      Disassembly...8011
      Assembly...8014
    BUCKET CYLINDER...8019
      Testing...8019
      Removal And Installation...8021
      Parts Identification...8022
      Disassembly...8023
      Assembly...8025
    BLADE CYLINDER...8029
      Testing...8029
      Removal And Installation...8030
      Parts Identification...8031
      Disassembly...8032
      Assembly...8034
    CLAMP CYLINDER...8037
      Testing...8037
      Removal And Installation...8038
      Parts Identification...8039
      Disassembly...8040
      Assembly...8043
    ANGLE BLADE CYLINDER...8047
      Testing...8047
      Removal And Installation...8049
      Parts Identification...8051
      Disassembly...8052
      Assembly...8054
    MAIN RELIEF VALVE...8057
    PORT RELIEF VALVES...8059
      Port Relief Valve Pressure Setting...8059
      Parts Identification...8059
      Adjustment Procedure...8060
    CROSSPORT RELIEF VALVE...8061
      Testing And Adjusting The Crossport Relief Valve...8061
      Removal And Installation...8064
      Parts Identification...8065
      Disassembly And Assembly...8066
    PRESSURE REDUCING VALVE...8071
      Description...8071
    ANGLE BLADE VALVE...8073
      Description...8073
      Testing And Adjusting Port Relief Valves...8073
      Testing And Adjusting Sequence Valve...8075
      Removal And Installation...8077
      Parts Identification...8080
      Disassembly...8081
      Assembly...8094
    HYDRAULIC CONTROL VALVE...8107
      Removal And Installation...8107
      Parts Identification...8111
      Disassembly And Assembly...8112
      Slew Valve Section...8113
      Boom Swing Valve Section...8122
      Blade Valve Section...8129
      Bucket Valve Section...8140
      Arm Valve Section...8146
      Boom Valve Section...8152
      Auxiliary Valve Section...8158
      Right Travel Valve Section...8166
      Left Travel Valve Section...8170
      Inlet Section...8174
    HYDRAULIC PUMP...8179
      Hydraulic Pump Work Sheet...8179
      Pump Testing...8182
      Removal And Installation...8194
      Coupler Removal And Installation...8195
      Hydraulic Pump Start Up...8196
      Torque Limiter Assembly Parts Identification...8197
      Torque Limiter Valve Assembly Removal And Installation...8198
      Torque Limiter Valve Assembly Disassembly And Assembly...8198
      Pump Control Parts Identification...8199
      Pump Control Removal And Installation...8200
      Pump Control Disassembly And Assembly...8200
      Parts Identification...8206
      Disassembly And Assembly...8207
    MANIFOLD ASSEMBLY / ACCUMULATOR...8215
      Description...8215
      Testing Pilot Pressure...8215
      Adjusting The Pilot Pressure...8217
      Removal And Installation...8218
      Manifold Assembly / Accumulator Parts Identification...8221
      Disassembly And Assembly...8222
    TRAVEL MOTOR...8233
      Removal And Installation...8233
      Parts Identification...8234
      Disassembly...8235
      Assembly...8245
    SWIVEL JOINT...8257
      Removal And Installation...8257
      Parts Identification...8258
      Disassembly...8259
      Assembly...8260
    SWING MOTOR...8265
      Removal And Installation...8265
      Parts Identification...8269
      Disassembly...8270
      Inspection...8274
      Assembly...8275
    SWING MOTOR DRIVE CARRIER...8281
      Removal And Installation...8281
      Parts Identification...8283
      Checking The Drive Carrier Shaft End Play...8284
      Disassembly...8285
      Inspection...8287
      Assembly...8288
    CONTROL PATTERN SELECTOR VALVE...8293
      Removal And Installation...8293
      Parts Identification...8294
      Disassembly...8295
      Assembly...8296
    RIGHT CONTROL LEVER (JOYSTICK)...8297
      Testing...8297
      Handle Removal And Installation...8299
      Joystick Assembly Removal And Installation...8303
      Parts Identification...8306
      Disassembly...8307
      Assembly...8312
    LEFT CONTROL LEVER (JOYSTICK)...8317
      Testing...8317
      Handle Removal And Installation...8319
      Joystick Assembly Removal And Installation...8322
      Parts Identification...8324
      Disassembly...8325
      Assembly...8330
    TRAVEL CONTROL VALVE...8335
      Removal and Installation...8335
      Parts Identification...8337
      Disassembly And Assembly...8338
    HYDRAULIC FILTER MOUNT...8341
      Removal And Installation...8341
    HYDRAULIC RESERVOIR...8343
      Removal And Installation...8343
    OIL COOLER...8347
      Removal And Installation...8347
    DUAL SEQUENCE VALVE...8349
      Removal And Installation...8349
      Parts Identification...8351
      Disassembly And Assembly...8352
    DIRECT TO TANK VALVE...8355
      Removal And Installation...8355
      Parts Identification...8356
      Disassembly And Assembly...8357
    BUILD UP VALVE...8359
      Removal And Installation...8359
      Parts Identification...8360
      Disassembly And Assembly...8361
    CASE DRAIN FILTER MOUNT...8365
      Removal And Installation...8365
    REMOVING AIR FROM HYDRAULIC SYSTEM...8367
      Procedure...8367
    BOOM SWING LOCK VALVE...8369
      Description...8369
      Removal And Installation...8369
      Parts Identification...8371
      Disassembly...8372
      Assembly...8375
    HYDRAULIC X-CHANGE VALVE...8379
      Removal And Installation...8379
      Parts Identification...8383
      Disassembly...8384
      Assembly...8392
  UNDERCARRIAGE...8399
    BLADE...8401
      Removal And Installation...8401
    TRACKS...8403
      Track Lug Height...8403
      Rubber Track Clearance...8404
      Rubber Track Adjustment...8405
      Steel Track Clearance...8406
      Steel Track Adjustment...8407
      Rubber Track Removal And Installation...8408
      Steel Track Removal...8411
      Steel Track Installation...8413
      Track Shoe Removal And Installation...8415
    TRACK FRAME...8417
      Disassembly And Assembly...8417
      Recoil Spring Cylinder Disassembly And Assembly...8420
      Cylinder Parts Identification (S/N AAC811571 & Below, A9W711150 & Below And A9W911149 & Below)...8421
      Recoil Spring Cylinder Disassembly And Assembly (S/N AAC811571 & Below, A9W711150 & Below And A9W911149 & Below)...8422
      Cylinder Parts Identification (S/N AAC811572 & Above, A9W711151 & Above And A9W911150 & Above)...8424
      Recoil Spring Cylinder Disassembly And Assembly (S/N AAC811572 & Above, A9W711151 & Above And A9W911150 & Above)...8425
    TRACK DAMAGE IDENTIFICATION...8427
      Cutting Of Steel Cords...8427
      Abrasion Of Embedded Metals...8428
      Separation Of Embedded Metals...8429
      Separation Of Embedded Metals Due To Corrosion...8430
      Cuts On The Lug Side Rubber...8431
      Cracks On The Lug Side Rubber Due To Fatigue...8432
      Lug Abrasion...8433
      Cracks And Cuts On The Lug Side Rubber...8434
      Abrasion Of The Track Roller Side...8435
      Cuts On The Edges Of Track Roller Side...8436
    TRACK IDLER...8439
      Parts Identification...8439
      Disassembly...8440
      Assembly...8442
    TRACK ROLLER...8445
      Parts Identification (Upper Roller)...8445
      Disassembly (Upper Roller)...8446
      Assembly (Upper Roller)...8448
      Parts Identification (Lower Roller)...8450
      Disassembly (Lower Roller)...8451
      Assembly (Lower Roller)...8453
    SWING CIRCLE GEAR...8455
      Swing Bearing Removal...8455
      Swing Bearing Installation...8456
  UPPERSTRUCTURE AND SWING SECTION...8457
    UPPERSTRUCTURE...8461
      Removal...8461
      Installation...8464
    ANGLE BLADE ASSEMBLY...8467
      Removal And Installation...8467
    ANGLE BLADE...8469
      Removal And Installation...8469
    ANGLE BLADE CUTTING EDGE...8471
      Removal And Installation...8471
    ROPS CANOPY...8473
      Removal And Installation...8473
    CAB...8477
      Removal And Installation...8477
      Door Removal And Installation...8482
      Front Window Removal And Installation...8483
      Right Side Rear Sliding Window Removal And Installation...8486
      Right Side Front Sliding Window Removal And Installation...8486
      Right Side Front And Rear Sliding Window Weather Strip Removal And Installation...8487
      Right Side Front And Rear Sliding Window Wiper Strip Removal And Installation...8487
      Glass Removal...8488
      Glass Installation...8489
    SEAT AND SEAT MOUNT...8491
      Removal And Installation...8491
    RIGHT CONSOLE...8493
      Console Cover Removal And Installation...8493
      Console Base Removal And Installation...8494
    LEFT CONSOLE...8497
      Lower Console Cover Removal And Installation...8497
      Upper Console Cover Removal And Installation...8498
      Compression Spring Removal And Installation...8499
      Compression Spring Disassembly And Assembly...8500
      Lock Lever Removal And Installation...8501
      Console Removal And Installation...8503
      Disassembly And Assembly...8508
      Console Switch Removal And Installation...8511
      Console Base Removal And Installation...8512
    ENGINE SPEED CONTROL...8513
      Removal And Installation...8513
      Adjustment (Later Models)...8514
    BLADE CONTROL...8515
      Lever Removal And Installation...8515
      Linkage Removal And Installation...8516
      Linkage Disassembly And Assembly...8517
      Linkage Bar Removal And Installation...8519
      Lower Linkage Removal And Installation...8520
      Lower Linkage Disassembly And Assembly...8522
    RIGHT PEDAL AND LINKAGE...8525
      Pedal Removal And Installation...8525
      Pedal Disassembly And Assembly...8526
      Lower Linkage Removal And Installation...8528
      Lower Linkage Disassembly And Assembly...8530
      Bellcrank Removal And Installation...8531
    TRAVEL CONTROLS...8533
      Removal And Installation...8533
      Disassembly And Assembly...8534
      Adjustment...8536
    CONTROL LINKAGE ASSEMBLY...8539
      Removal And Installation...8539
    FLOOR MAT AND FLOOR PLATE...8541
      Removal And Installation...8541
    FUEL TANK...8543
      Removal And Installation...8543
    HORN...8545
      Removal And Installation...8545
    SWING FRAME...8547
      Boom Swing Bracket Removal And Installation...8547
      Boom Swing Bracket Hose Installation...8551
      Swing Bracket Bushing Removal...8552
      Swing Bracket Bushing Installation...8553
      Boom Pivot Pin Bushing Removal...8554
      Boom Pivot Pin Bushing Installation...8555
    BOOM...8557
      Removal And Installation...8557
      Boom Pivot Pin Bushing Removal And Installation...8558
    ARM...8559
      Removal And Installation...8559
    BUCKET...8561
      Bucket Teeth Removal And Installation...8561
    CLAMP...8563
      Removal And Installation...8563
    TAILGATE...8565
      Removal And Installation...8565
      Latch Removal And Installation...8566
      Striker Removal And Installation...8567
    X-CHANGE...8569
      Removal And Installation...8569
      Parts Identification...8571
      Disassembly...8572
      Assembly...8577
      Check Proper Latch Engagement...8583
    X-CHANGE (PIN ON)...8587
      Removal And Installation...8587
      Parts Identification...8589
      Disassembly And Assembly...8590
    X-CHANGE (HYDRAULIC)...8591
      Removal And Installation...8591
      Parts Identification...8594
      Disassembly...8595
      Assembly...8600
    QUICK COUPLER (KLAC™ SYSTEM)...8609
      Troubleshooting...8609
      Daily Inspection...8609
      Removal And Installation...8610
      Parts Identification...8612
      Disassembly...8613
      Assembly...8614
    QUICK COUPLER (LEHNHOFF® SYSTEM)...8617
      Troubleshooting...8617
      Daily Inspection...8617
      Removal (MS03 And MS08)...8618
      Installation (MS03 And MS08)...8619
      Parts Identification (MS03)...8620
      Disassembly And Assembly (MS03)...8621
      Parts Identification (MS08)...8622
      Disassembly (MS08)...8623
      Assembly (MS08)...8626
  ELECTRICAL SYSTEM & ANALYSIS...8631
    ELECTRICAL SCHEMATICS...8633
    ELECTRICAL SYSTEM INFORMATION...8635
      Troubleshooting Chart...8635
      Description...8636
      Fuse And Relay Location...8636
    BATTERY...8637
      Servicing...8637
      Removing And Installing The Battery...8638
      Using A Booster Battery (Jump Starting)...8639
    ALTERNATOR...8641
      Engine Accessory Drive Belt...8641
      Removal And Installation...8641
      Alternator Identification...8643
      Charging System Check...8644
      Alternator Voltage Test...8645
      Low Voltage Test...8645
      High Voltage Test...8646
      Rectifier Continuity (Diode) Test...8647
      Alternator Regulator Test...8648
      Parts Identification...8649
      Disassembly...8650
      Stator Continuity Test...8650
      Stator Ground Test...8651
      Rotor Continuity Test...8651
      Rotor Ground Test...8651
      Assembly...8651
    STARTER...8653
      Removal And Installation...8653
      Parts Identification...8654
      Disassembly...8655
      Inspection And Repair...8660
      Assembly...8663
    LIGHTS...8669
      Removal And Installation...8669
      Disassembly And Assembly...8670
    TWO-SPEED SWITCH...8671
      Removal And Installation...8671
    FUEL LEVEL SENDER...8673
      Removal And Installation...8673
      Testing And Inspection...8674
    DIAGNOSTICS SERVICE CODE...8675
      Number Codes List...8675
    DELUXE INSTRUMENT PANEL SETUP...8677
      Passwords...8677
      Password Entry (For Starting And Operating The Machine)...8677
      Changing The Owner or Operator Password...8677
      Password Lockout Feature...8678
      Job Clock...8678
      RPM...8678
  ENGINE SERVICE...8679
    TROUBLESHOOTING...8681
      Chart...8681
    MUFFLER...8683
      Removal And Installation...8683
    AIR CLEANER...8685
      Removal And Installation...8685
    RADIATOR...8687
      Removal And Installation...8687
    ENGINE COMPONENTS AND TESTING...8689
      Engine Compression Checking...8689
      Glow Plugs Removal And Installation...8690
      Checking The Glow Plug...8691
      Fuel Shut-off Solenoid Removal And Installation...8691
      Fuel Injection Pump Check...8692
      Fuel Injection Pump Removal And Installation...8692
      Fuel Injection Pump Timing...8696
      Fuel Injector Nozzles Removal And Installation...8698
      Fuel Injector Nozzle Check...8701
      Valve Clearance Adjustment...8702
    ENGINE...8703
      Removal And Installation...8703
    ENGINE FLYWHEEL...8709
      Flywheel Removal And Installation...8709
      Hydraulic Pump Coupler...8711
      Flywheel Ring Gear...8711
    RECONDITIONING THE ENGINE...8713
      Cylinder Head Removal And Installation...8713
      Cylinder Head Disassembly And Assembly...8716
      Cylinder Head Servicing...8717
      Cylinder Head Top Clearance...8717
      Valve Guide Checking...8718
      Reconditioning The Valve And Valve Seat...8720
      Valve Spring...8721
      Rocker Arm And Shaft Checking...8722
      Timing Gearcase Cover Removal And Installation...8723
      Idler Gear And Camshaft Removal And Installation...8726
      Camshaft Servicing...8727
      Idler Gear And Shaft Servicing...8728
      Timing Gears Checking Backlash...8729
      Fuel Camshaft Removal And Installation...8729
      Fuel Camshaft Governor...8730
      Crankshaft Gear Removal And Installation...8730
      Oil Pump Removal And Installation...8731
      Oil Pump Service...8731
      Checking Engine Oil Pressure...8732
      Valve Tappets...8733
      Piston And Connecting Rod Removal And Installation...8733
      Piston And Connecting Rod Servicing...8735
      Connecting Rod Alignment...8737
      Crankshaft And Bearings Removal And Installation...8738
      Crankshaft And Bearings, Servicing...8740
      Cylinder Bore, Checking...8744
      Water Pump Removal And Installation...8744
      Water Pump Disassembly And Assembly...8745
      Fan Removal And Installation...8745
  HEATING, VENTILATION & AIR CONDITIONING...8747
    HEATER COIL...8749
      Removal And Installation With A/C...8749
      Removal And Installation Without A/C...8749
    BLOWER FAN...8751
      Removal And Installation...8751
      Disassembly And Assembly...8752
      Resistor Removal And Installation...8753
    HEATER VALVE...8755
      Removal And Installation...8755
    AIR CONDITIONING SYSTEM FLOW...8759
      Principals...8759
      Chart...8760
    COMPONENTS...8761
      Identification...8761
    SAFETY...8765
      Safety Equipment...8765
    REGULAR MAINTENANCE...8767
      Heater Air Filter...8767
      Engine Accessory Drive Belt Inspection...8767
      Cleaning The Condenser...8768
    BASIC TROUBLESHOOTING...8769
      Poor A/C Performance...8769
      Cleaning The A/C Evaporator Coil And Heater Coil...8770
      Engine Accessory Drive Belt Inspection...8771
      Checking The Electrical System...8772
      Engine Coolant Bypassing The Heater Valve...8782
    GENERAL AIR CONDITIONING SERVICE GUIDELINES...8783
      Compressor Oil...8783
      Compressor Oil Check...8784
      Component Replacement And Refrigeration Leaks...8786
    SYSTEM TROUBLESHOOTING CHART...8787
      Blower Motor Does Not Operate...8787
      Gauge Pressure Related Troubleshooting...8788
    TEMPERATURE / PRESSURE...8791
      Chart...8791
    AIR CONDITIONING SERVICE...8793
      Chart...8793
    SYSTEM CHARGING AND RECLAMATION...8795
      Reclamation Procedure...8795
      Charging Procedure With A Manifold Gauge Set...8798
    COMPRESSOR...8801
      Removal And Installation...8801
      Compressor Clutch Disassembly And Assembly...8803
    CONDENSER...8807
      Removal And Installation...8807
    RECEIVER / DRIER...8809
      Removal And Installation...8809
    PRESSURE RELIEF VALVE...8811
      Removal And Installation...8811
    PRESSURE SWITCH...8813
      Removal And Installation...8813
    EVAPORATOR / HEATER UNIT...8815
      Removal And Installation...8815
      Disassembly And Assembly...8816
    THERMOSTAT...8817
      Removal And Installation...8817
    EVAPORATOR VALVE...8819
      Removal And Installation...8819
    BLOWER FAN...8821
      Removal And Installation...8821
      Disassembly And Assembly...8822
      Resistor Removal And Installation...8823
  SPECIFICATIONS...8825
    (337, 341) EXCAVATOR SPECIFICATIONS...8827
      337 Dimensions...8827
      337 W / Long Arm And 341 Dimensions...8829
      337 And 341 With Optional Angle Blade Dimensions...8831
      Performance...8832
      Controls...8832
      Engine...8832
      Hydraulic System...8833
      Hydraulic Cylinders...8833
      Hydraulic Cycle Times...8834
      Electrical...8834
      Instrumentation...8834
      Drive System...8834
      Slew System...8834
      Undercarriage...8834
      Crawler Track Design...8834
      Capacities...8834
      Fuel Tank...8834
      Track...8835
      Type...8835
      Ground Pressure...8835
    ENGINE SPECIFICATIONS...8837
      Fuel Injection Nozzles...8837
      Fuel Injection Pump...8837
      Cylinder Head...8837
      Valves...8837
      Valve Springs...8838
      Valve Timing...8838
      Rocker Arms...8838
      Camshaft...8838
      Tappet...8838
      Cylinders...8839
      Piston Rings...8839
      Pistons...8839
      Connecting Rods...8839
      Oil Pump...8839
      Crankshaft...8840
      Timing Gear...8840
      Thermostat...8841
      Engine Bolt Torque...8841
      Crankshaft Re-Grind Data...8842
    TORQUE SPECIFICATIONS...8843
      Torque for General SAE Bolts...8843
      Torque For General Metric Bolts...8843
    HYDRAULIC CONNECTION SPECIFICATIONS...8845
      O-ring Face Seal Connection...8845
      Straight Thread O-ring Fitting...8845
      Tubelines And Hoses...8845
      Flare Fitting...8846
      O-ring Flare Fitting...8847
      Port Seal Fitting...8849
    HYDRAULIC FLUID SPECIFICATIONS...8851
      Specifications...8851
    FUEL, COOLANT AND LUBRICANTS...8853
      Chart...8853
    CONVERSIONS...8855
      Decimal And Millimeter Equivalents...8855
      U.S. To Metric Conversion Chart...8855
  ALPHABETICAL INDEX...8857
  SERVICE MANUAL REVISION...8859
    Revision No: 337 / 341 - 1...8859
    Revision No: 337 / 341 - 2...8861
    Revision No: 337 / 341 - 3...8863
    Revision No: 337 / 341 - 4...8865
    Revision No: 337 / 341 - 5...8867
    Revision No: 337, 341 - 6...8869
6986746 (5-10) - 337, 341 Compact Excavator Service Manual...8871
  MAINTENANCE SAFETY...8873
  ALPHABETICAL INDEX...8875
  CONTENTS...8877
    FOREWORD...8879
    SAFETY INSTRUCTIONS...8881
    FIRE PREVENTION...8883
      Maintenance...8883
      Operation...8883
      Electrical...8883
      Hydraulic System...8883
      Fueling...8883
      Starting...8883
      Spark Arrestor Exhaust System...8883
      Welding And Grinding...8884
      Fire Extinguishers...8884
    SERIAL NUMBER LOCATIONS...8885
      Excavator Serial Number...8885
      Engine Serial Number...8885
    DELIVERY REPORT...8886
    BOBCAT EXCAVATOR IDENTIFICATION...8887
  SAFETY AND MAINTENANCE...8889
    LIFTING AND BLOCKING THE EXCAVATOR...8891
    LIFTING THE EXCAVATOR...8893
    OPERATOR CAB (ROPS/TOPS)...8895
      Emergency Exit...8895
      Cab Door...8896
    TRANSPORTING THE EXCAVATOR...8897
    TAILGATE...8899
      Opening And Closing The Tailgate...8899
      Adjusting The Bumper...8899
      Adjusting The Latch...8899
    RIGHT SIDE COVER...8901
      Opening And Closing The Right Side Cover...8901
    SERVICE SCHEDULE...8903
      Chart...8903
    AIR CLEANER...8905
      Checking...8905
      Replacing The Filters...8905
    HEATER AIR FILTER...8907
      Fresh Air Filter...8907
    COOLING SYSTEM...8909
      Cleaning The Cooling System...8909
      Checking Coolant Level...8910
      Replacing The Coolant...8911
    FUEL SYSTEM...8913
      Fuel Specifications...8913
      Filling The Fuel Tank...8913
      Removing Water From The Fuel Filter...8913
      Draining The Fuel Tank...8914
      Fuel Filter...8914
      Removing Air From The Fuel System...8915
    ENGINE LUBRICATION SYSTEM...8917
      Checking Engine Oil...8917
      Oil Chart...8917
      Replacing Oil And Filter...8918
    HYDRAULIC SYSTEM...8919
      Checking And Adding Hydraulic Oil...8919
      Replacing The Hydraulic Oil...8920
      Replacing The Hydraulic Filter...8921
      Replacing The Case Drain Filter...8921
      Diagnostic Couplers...8922
    LUBRICATION OF THE EXCAVATOR...8923
      Procedure...8923
    TRAVEL MOTOR...8927
      Checking Oil Level...8927
      Draining The Travel Motor...8927
    SPARK ARRESTOR MUFFLER...8929
    ENGINE ACCESSORY DRIVE BELT...8931
      Belt Tension...8931
      Belt Adjustment...8931
    SEAT BELT...8933
      Inspection And Maintenance...8933
  HYDRAULIC SYSTEM...8935
    HYDRAULIC / HYDROSTATIC SCHEMATICS...8941
    HYDRAULIC SYSTEM INFORMATION...8943
      Glossary Of Hydraulic/Hydrostatic Symbols For Excavators...8943
      Troubleshooting The Hydraulic Circuit...8946
      Troubleshooting The Cylinder Circuit...8947
      Troubleshooting The Upperstructure Slew Circuit...8948
      Troubleshooting The Travel Circuit...8949
      Description...8950
    BOOM CYLINDER...8953
      Testing...8953
      Removal And Installation...8955
      Parts Identification...8957
      Disassembly...8958
      Assembly...8962
    ARM CYLINDER...8967
      Testing...8967
      Removal and Installation...8969
      Parts Identification...8971
      Disassembly...8972
      Assembly...8975
    BOOM SWING CYLINDER...8979
      Testing...8979
      Removal And Installation...8980
      Parts Identification...8982
      Disassembly...8983
      Assembly...8986
    BUCKET CYLINDER...8991
      Testing...8991
      Removal And Installation...8993
      Parts Identification...8994
      Disassembly...8995
      Assembly...8997
    BLADE CYLINDER...9001
      Testing...9001
      Removal And Installation...9002
      Parts Identification...9003
      Disassembly...9004
      Assembly...9006
    CLAMP CYLINDER...9009
      Testing...9009
      Removal And Installation...9010
      Parts Identification...9011
      Disassembly...9012
      Assembly...9015
    ANGLE BLADE CYLINDER...9021
      Testing...9021
      Removal And Installation...9023
      Parts Identification...9025
      Disassembly...9026
      Assembly...9028
    MAIN RELIEF VALVE...9031
    PORT RELIEF VALVES...9033
      Port Relief Valve Pressure Setting...9033
      Parts Identification...9033
      Adjustment Procedure...9034
    CROSSPORT RELIEF VALVE...9035
      Testing And Adjusting The Crossport Relief Valve...9035
      Removal And Installation...9038
      Parts Identification...9039
      Disassembly And Assembly...9040
    PRESSURE REDUCING VALVE...9045
      Description...9045
    ANGLE BLADE VALVE...9047
      Description...9047
      Testing And Adjusting Port Relief Valves...9047
      Testing And Adjusting Sequence Valve...9049
      Removal And Installation...9051
      Parts Identification...9054
      Disassembly...9055
      Assembly...9068
    HYDRAULIC CONTROL VALVE...9081
      Removal And Installation...9081
      Parts Identification...9085
      Disassembly And Assembly...9086
      Slew Valve Section...9087
      Boom Swing Valve Section...9096
      Blade Valve Section...9103
      Bucket Valve Section...9114
      Arm Valve Section...9120
      Boom Valve Section...9126
      Auxiliary Valve Section...9132
      Right Travel Valve Section...9140
      Left Travel Valve Section...9144
      Inlet Section...9148
    HYDRAULIC PUMP...9153
      Hydraulic Pump Work Sheet...9153
      Pump Testing...9156
      Test Fitting Installation...9156
      Torque Limiter Adjustment...9165
      Removal And Installation...9168
      Coupler Removal And Installation...9169
      Hydraulic Pump Start Up...9170
      Torque Limiter Assembly Parts Identification...9171
      Torque Limiter Valve Assembly Removal And Installation...9172
      Torque Limiter Valve Assembly Disassembly And Assembly...9172
      Pump Control Parts Identification...9173
      Pump Control Removal And Installation...9174
      Pump Control Disassembly And Assembly...9174
      Parts Identification...9180
      Disassembly And Assembly...9181
    MANIFOLD ASSEMBLY/ACCUMULATOR...9189
      Description...9189
      Testing Pilot Pressure...9189
      Adjusting The Pilot Pressure...9191
      Removal And Installation...9192
      Manifold Assembly/Accumulator Parts Identification...9195
      Disassembly And Assembly...9196
    TRAVEL MOTOR...9207
      Removal And Installation...9207
      Parts Identification...9208
      Disassembly...9209
      Assembly...9219
    SWIVEL JOINT...9231
      Removal And Installation...9231
      Parts Identification...9232
      Disassembly...9233
      Assembly...9234
    SWING MOTOR...9239
      Removal And Installation...9239
      Parts Identification...9243
      Disassembly...9244
      Inspection...9248
      Assembly...9249
    SWING MOTOR DRIVE CARRIER...9255
      Removal And Installation...9255
      Parts Identification...9257
      Checking The Drive Carrier Shaft End Play...9258
      Disassembly...9259
      Inspection...9261
      Assembly...9262
    CONTROL PATTERN SELECTOR VALVE...9267
      Removal And Installation...9267
      Parts Identification...9268
      Disassembly...9269
      Assembly...9270
    RIGHT CONTROL LEVER (JOYSTICK)...9271
      Testing...9271
      Handle Removal And Installation...9273
      Joystick Assembly Removal And Installation...9277
      Parts Identification...9280
      Disassembly...9281
      Assembly...9286
    LEFT CONTROL LEVER (JOYSTICK)...9291
      Testing...9291
      Handle Removal And Installation...9293
      Joystick Assembly Removal And Installation...9296
      Parts Identification...9298
      Disassembly...9299
      Assembly...9304
    TRAVEL CONTROL VALVE...9309
      Removal and Installation...9309
      Parts Identification...9311
      Disassembly And Assembly...9312
    HYDRAULIC FILTER MOUNT...9315
      Removal And Installation...9315
    HYDRAULIC RESERVOIR...9317
      Removal And Installation...9317
    OIL COOLER...9323
      Removal And Installation...9323
    DUAL SEQUENCE VALVE...9325
      Removal And Installation...9325
      Parts Identification...9327
      Disassembly And Assembly...9328
    DIRECT TO TANK VALVE...9331
      Removal And Installation...9331
      Parts Identification...9332
      Disassembly And Assembly...9333
    BUILD UP VALVE...9335
      Removal And Installation...9335
      Parts Identification...9336
      Disassembly And Assembly...9337
    CASE DRAIN FILTER MOUNT...9341
      Removal And Installation...9341
    REMOVING AIR FROM HYDRAULIC SYSTEM...9343
      Procedure...9343
    BOOM SWING LOCK VALVE...9345
      Description...9345
      Removal And Installation...9345
      Parts Identification...9347
      Disassembly...9348
      Assembly...9351
    HYDRAULIC X-CHANGE VALVE...9355
      Removal And Installation...9355
      Parts Identification...9359
      Disassembly...9360
      Assembly...9368
  UNDERCARRIAGE...9375
    BLADE...9377
      Removal And Installation...9377
    TRACKS...9379
      Track Lug Height...9379
      Rubber Track Clearance...9380
      Rubber Track Adjustment...9381
      Steel Track Clearance...9382
      Steel Track Adjustment...9383
      Rubber Track Removal And Installation...9384
      Steel Track Removal...9387
      Steel Track Installation...9389
      Track Shoe Removal And Installation...9391
    TRACK FRAME...9393
      Disassembly And Assembly...9393
      Recoil Spring Cylinder Disassembly And Assembly...9396
      Cylinder Parts Identification (S/N AAC811571 & Below, A9W711150 & Below And A9W911149 & Below)...9397
      Recoil Spring Cylinder Disassembly And Assembly (S/N AAC811571 & Below, A9W711150 & Below And A9W911149 & Below)...9398
      Cylinder Parts Identification (S/N AAC811572 & Above, A9W711151 & Above And A9W911150 & Above)...9400
      Recoil Spring Cylinder Disassembly And Assembly (S/N AAC811572 & Above, A9W711151 & Above And A9W911150 & Above)...9401
    TRACK DAMAGE IDENTIFICATION...9403
      Cutting Of Steel Cords...9403
      Abrasion Of Embedded Metals...9404
      Separation Of Embedded Metals...9405
      Separation Of Embedded Metals Due To Corrosion...9406
      Cuts On The Lug Side Rubber...9407
      Cracks On The Lug Side Rubber Due To Fatigue...9408
      Lug Abrasion...9409
      Cracks And Cuts On The Lug Side Rubber...9410
      Abrasion Of The Track Roller Side...9411
      Cuts On The Edges Of Track Roller Side...9412
    TRACK IDLER...9415
      Parts Identification...9415
      Disassembly...9416
      Assembly...9418
    TRACK ROLLER...9421
      Parts Identification (Upper Roller)...9421
      Disassembly (Upper Roller)...9422
      Assembly (Upper Roller)...9424
      Parts Identification (Lower Roller)...9426
      Disassembly (Lower Roller)...9427
      Assembly (Lower Roller)...9429
    SWING CIRCLE GEAR...9431
      Swing Bearing Removal...9431
      Swing Bearing Installation...9432
  UPPERSTRUCTURE & SWING SECTION...9433
    UPPERSTRUCTURE...9437
      Removal...9437
      Installation...9440
    ANGLE BLADE ASSEMBLY...9443
      Removal And Installation...9443
    ANGLE BLADE...9445
      Removal And Installation...9445
    ANGLE BLADE CUTTING EDGE...9447
      Removal And Installation...9447
    ROPS CANOPY...9449
      Removal And Installation...9449
    CAB...9453
      Removal And Installation...9453
      Door Removal And Installation...9458
      Front Window Removal And Installation...9459
      Right Side Rear Sliding Window Removal And Installation...9462
      Right Side Front Sliding Window Removal And Installation...9462
      Right Side Front And Rear Sliding Window Weather Strip Removal And Installation...9463
      Right Side Front And Rear Sliding Window Wiper Strip Removal And Installation...9463
      Glass Removal...9464
      Glass Installation...9465
    SEAT AND SEAT MOUNT...9467
      Removal And Installation...9467
    RIGHT CONSOLE...9469
      Console Cover Removal And Installation...9469
      Console Base Removal And Installation...9470
    LEFT CONSOLE...9473
      Lower Console Cover Removal And Installation...9473
      Upper Console Cover Removal And Installation...9474
      Compression Spring Removal And Installation...9475
      Compression Spring Disassembly And Assembly...9476
      Lock Lever Removal And Installation...9477
      Console Removal And Installation...9479
      Disassembly And Assembly...9484
      Console Switch Removal And Installation...9487
      Console Base Removal And Installation...9488
    ENGINE SPEED CONTROL...9489
      Removal And Installation...9489
      Adjustment (Later Models)...9490
    BLADE CONTROL...9491
      Lever Removal And Installation...9491
      Linkage Removal And Installation...9492
      Linkage Disassembly And Assembly...9493
      Linkage Bar Removal And Installation...9495
      Lower Linkage Removal And Installation...9496
      Lower Linkage Disassembly And Assembly...9498
    RIGHT PEDAL AND LINKAGE...9501
      Pedal Removal And Installation...9501
      Pedal Disassembly And Assembly...9502
      Lower Linkage Removal And Installation...9504
      Lower Linkage Disassembly And Assembly...9506
      Bellcrank Removal And Installation...9507
    TRAVEL CONTROLS...9509
      Removal And Installation...9509
      Disassembly And Assembly...9510
      Adjustment...9512
    CONTROL LINKAGE ASSEMBLY...9515
      Removal And Installation...9515
    FLOORMAT AND FLOOR PLATE...9517
      Removal And Installation...9517
    FUEL TANK...9519
      Removal And Installation...9519
    HORN...9521
      Removal And Installation...9521
    SWING FRAME...9523
      Boom Swing Bracket Removal And Installation...9523
      Boom Swing Bracket Hose Installation...9527
      Swing Bracket Bushing Removal...9528
      Swing Bracket Bushing Installation...9529
      Boom Pivot Pin Bushing Removal...9530
      Boom Pivot Pin Bushing Installation...9531
    BOOM...9533
      Removal And Installation...9533
      Boom Pivot Pin Bushing Removal And Installation...9534
    ARM...9535
      Removal And Installation...9535
    BUCKET...9537
      Bucket Teeth Removal And Installation...9537
    CLAMP...9539
      Removal And Installation...9539
    TAILGATE...9541
      Removal And Installation...9541
      Latch Removal And Installation...9542
      Striker Removal And Installation...9543
    X-CHANGE...9545
      Removal And Installation...9545
      Parts Identification...9547
      Disassembly...9548
      Assembly...9553
      Check Proper Latch Engagement...9559
    X-CHANGE (PIN ON)...9563
      Removal And Installation...9563
      Parts Identification...9565
      Disassembly And Assembly...9566
    X-CHANGE (HYDRAULIC)...9567
      Removal And Installation...9567
      Parts Identification...9570
      Disassembly...9571
      Assembly...9576
  ELECTRICAL SYSTEM AND ANALYSIS...9585
    ELECTRICAL SCHEMATICS...9587
    ELECTRICAL SYSTEM INFORMATION...9589
      Troubleshooting Chart...9589
      Description...9590
      Fuse And Relay Location...9590
    BATTERY...9591
      Servicing...9591
      Removing And Installing The Battery...9592
      Using A Booster Battery (Jump Starting)...9593
    ALTERNATOR...9595
      Engine Accessory Drive Belt...9595
      Removal And Installation...9595
      Alternator Identification...9597
      Charging System Check...9598
      Alternator Voltage Test...9599
      Low Voltage Test...9599
      High Voltage Test...9600
      Rectifier Continuity (Diode) Test...9601
      Alternator Regulator Test...9602
      Parts Identification...9603
      Disassembly...9604
      Stator Continuity Test...9604
      Stator Ground Test...9605
      Rotor Continuity Test...9605
      Rotor Ground Test...9605
      Assembly...9605
    STARTER...9607
      Removal And Installation...9607
      Parts Identification...9608
      Disassembly...9609
      Inspection And Repair...9614
      Assembly...9617
    LIGHTS...9623
      Removal And Installation...9623
      Disassembly And Assembly...9624
    TWO SPEED SWITCH...9625
      Removal And Installation...9625
    FUEL LEVEL SENDER...9627
      Removal And Installation...9627
      Testing And Inspection...9628
    DIAGNOSTICS SERVICE CODE...9629
      Number Codes List...9629
    DELUXE INSTRUMENT PANEL SETUP...9631
      Passwords...9631
      Password Entry (For Starting And Operating The Machine)...9631
      Changing The Owner or Operator Password...9631
      Password Lockout Feature...9632
      Job Clock...9632
      RPM...9632
  ENGINE SERVICE...9633
    TROUBLESHOOTING...9635
      Chart...9635
    MUFFLER...9637
      Removal And Installation...9637
    AIR CLEANER...9639
      Removal And Installation...9639
    RADIATOR...9641
      Removal And Installation...9641
    ENGINE COMPONENTS AND TESTING...9643
      Engine Compression Checking...9643
      Glow Plugs Removal And Installation...9644
      Checking The Glow Plug...9645
      Fuel Shut-off Solenoid Removal And Installation...9645
      Fuel Injection Pump Check...9646
      Fuel Injection Pump Removal And Installation...9646
      Fuel Injection Pump Timing...9650
      Fuel Injector Nozzles Removal And Installation...9652
      Fuel Injector Nozzle Check...9655
      Valve Clearance Adjustment...9656
    ENGINE...9657
      Removal And Installation...9657
    ENGINE FLYWHEEL...9663
      Flywheel Removal And Installation...9663
      Hydraulic Pump Coupler...9665
      Flywheel Ring Gear...9665
    RECONDITIONING THE ENGINE...9667
      Cylinder Head Removal And Installation...9667
      Cylinder Head Disassembly And Assembly...9670
      Cylinder Head Servicing...9671
      Cylinder Head Top Clearance...9671
      Valve Guide Checking...9672
      Reconditioning The Valve And Valve Seat...9674
      Valve Spring...9675
      Rocker Arm And Shaft Checking...9676
      Timing Gearcase Cover Removal And Installation...9677
      Idler Gear And Camshaft Removal And Installation...9680
      Camshaft Servicing...9681
      Idler Gear And Shaft Servicing...9682
      Timing Gears Checking Backlash...9683
      Fuel Camshaft Removal And Installation...9683
      Fuel Camshaft Governor...9684
      Crankshaft Gear Removal And Installation...9684
      Oil Pump Removal And Installation...9685
      Oil Pump Service...9685
      Checking Engine Oil Pressure...9686
      Valve Tappets...9687
      Piston And Connecting Rod Removal And Installation...9687
      Piston And Connecting Rod Servicing...9689
      Connecting Rod Alignment...9691
      Crankshaft And Bearings Removal And Installation...9692
      Crankshaft And Bearings, Servicing...9694
      Cylinder Bore, Checking...9698
      Water Pump Removal And Installation...9698
      Water Pump Disassembly And Assembly...9699
      Fan Removal And Installation...9699
  HEATING, VENTILATION, AIR CONDITIONING...9701
    HEATER COIL...9703
      Removal And Installation With A/C...9703
      Removal And Installation Without A/C...9703
    BLOWER FAN...9705
      Removal And Installation...9705
      Disassembly And Assembly...9706
      Resistor Removal And Installation...9707
    HEATER VALVE...9709
      Removal And Installation...9709
    AIR CONDITIONING SYSTEM FLOW...9713
      Principals...9713
      Chart...9714
    COMPONENTS...9715
      Identification...9715
    SAFETY...9719
      Safety Equipment...9719
    REGULAR MAINTENANCE...9721
      Heater Air Filter...9721
      Engine Accessory Drive Belt Inspection...9721
      Cleaning The Condenser...9722
    BASIC TROUBLESHOOTING...9723
      Poor A/C Performance...9723
      Cleaning The A/C Evaporator Coil & Heater Coil...9724
      Engine Accessory Drive Belt Inspection...9725
      Checking The Electrical System...9726
      Engine Coolant By-Passing The Heater Valve...9736
    GENERAL AIR CONDITIONING SERVICE GUIDELINES...9737
      Compressor Oil...9737
      Compressor Oil Check...9738
      Component Replacement And Refrigeration Leaks...9740
    SYSTEM TROUBLESHOOTING CHART...9741
      Blower Motor Does Not Operate...9741
      Gauge Pressure Related Troubleshooting...9742
    TEMPERATURE/PRESSURE...9745
      Chart...9745
    AIR CONDITIONING SERVICE...9747
      Chart...9747
    SYSTEM CHARGING AND RECLAMATION...9749
      Reclamation Procedure...9749
      Charging Procedure With A Manifold Gauge Set...9752
    COMPRESSOR...9755
      Removal And Installation...9755
      Compressor Clutch Disassembly And Assembly...9757
    CONDENSER...9761
      Removal And Installation...9761
    RECEIVER/DRIER...9763
      Removal And Installation...9763
    PRESSURE RELIEF VALVE...9765
      Removal And Installation...9765
    PRESSURE SWITCH...9767
      Removal And Installation...9767
    EVAPORATOR/HEATER UNIT...9769
      Removal And Installation...9769
      Disassembly And Assembly...9770
    THERMOSTAT...9771
      Removal And Installation...9771
    EVAPORATOR VALVE...9773
      Removal And Installation...9773
    BLOWER FAN...9775
      Removal And Installation...9775
      Disassembly And Assembly...9776
      Resistor Removal And Installation...9777
  SPECIFICATIONS...9779
    SPECIFICATIONS...9781
      Excavator Machine Dimensions...9781
      337 Excavator Machine Dimensions...9782
      337 W / Long Arm & 3 41 Excavator Machine Dimensions...9783
      337 W / Long Arm & 3 41 Excavator Machine Dimensions...9784
      Performance...9785
      Controls...9785
      Engine...9786
      Hydraulic System...9786
      Hydraulic Cylinders...9787
      Hydraulic Cycle Times...9787
      Drive System...9787
      Undercarriage...9788
      Track...9788
      Ground Pressure...9788
      Electrical...9788
    ENGINE SPECIFICATIONS...9789
      Fuel Injection Nozzles...9789
      Fuel Injection Pump...9789
      Cylinder Head...9789
      Valves...9789
      Valve Springs...9790
      Valve Timing...9790
      Rocker Arms...9790
      Camshaft...9790
      Tappet...9790
      Cylinders...9791
      Piston Rings...9791
      Pistons...9791
      Connecting Rods...9791
      Oil Pump...9791
      Crankshaft...9792
      Timing Gear...9792
      Thermostat...9793
      Engine Bolt Torque...9793
      Crankshaft Re-Grind Data...9794
    TORQUE SPECIFICATIONS...9795
      Torque for General SAE Bolts...9795
      Torque For General Metric Bolts...9795
    HYDRAULIC CONNECTION SPECIFICATIONS...9797
      O-ring Face Seal Connection...9797
      Straight Thread O-ring Fitting...9797
      Tubelines And Hoses...9797
      Flare Fitting...9798
      O-ring Flare Fitting...9799
      Port Seal Fitting...9801
    HYDRAULIC FLUID SPECIFICATIONS...9803
      Specifications...9803
    FUEL, COOLANT AND LUBRICANTS...9805
      Chart...9805
    CONVERSIONS...9807
      Decimal And Millimeter Equivalents...9807
      U.S. To Metric Conversion Chart...9807
  SERVICE MANUAL REVISION...9809
    Revision No: 337 / 341 - 1...9809
    Revision No: 337 / 341 - 2...9811
    Revision No: 337 / 341 - 3...9813
    Revision No: 337 / 341 - 4...9815
    Revision No: 337 / 341 - 5...9817
6986948 (10-09) - 335 Compact Excavator Operation & Maintenance Manual...9819
  OPERATOR SAFETY WARNING...9821
  CONTENTS...9823
  FOREWORD...9825
    BOBCAT COMPANY IS IS0 9001 CERTIFIED...9827
    REGULAR MAINTENANCE ITEMS...9827
    SERIAL NUMBER LOCATIONS...9829
      Excavator Serial Number...9829
      Engine Serial Number...9829
    DELIVERY REPORT...9829
    EXCAVATOR IDENTIFICATION...9830
    FEATURES, ACCESSORIES AND ATTACHMENTS...9831
      Standard Items...9831
      Options and Accessories...9831
      Attachments...9831
      Buckets Available...9831
      Falling Object Guards (FOGS)...9832
      Special Applications Kit...9832
      Special Applications Kit Inspection And Maintenance...9832
  SAFETY & TRAINING RESOURCES...9833
    SAFETY INSTRUCTIONS...9835
      Before Operation...9835
      Safe Operation Is The Operator’s Responsibility...9836
      Safe Operation Needs A Qualified Operator...9836
      Avoid Silica Dust...9837
    FIRE PREVENTION...9837
      Maintenance...9837
      Operation...9837
      Electrical...9837
      Hydraulic System...9838
      Fueling...9838
      Starting...9838
      Spark Arrestor Exhaust System...9838
      Welding And Grinding...9838
      Fire Extinguishers...9838
    MACHINE SIGNS (DECALS)...9839
    PUBLICATIONS AND TRAINING RESOURCES...9841
  OPERATING INSTRUCTIONS...9843
    INSTRUMENTS AND CONSOLES...9847
      Cab Interior Light (If Equipped)...9847
      Left Console...9847
      Right Console...9848
      Function Icons...9849
      STD / ISO Selector Valve...9850
      Upperstructure Slew Lock...9850
      Raising And Lowering The Console...9851
      Two-Speed Travel...9851
    OPERATOR CANOPY (ROPS / TOPS)...9852
      Description...9852
    OPERATOR CAB (ROPS / TOPS)...9852
      Description...9852
      Cab Door...9853
      Front Window...9854
      Front Wiper...9855
      Window Washer Reservoir...9855
      Right Side Window...9856
      Heating, Ventilation And Air Conditioning Duct...9857
    MOTION ALARM SYSTEM (IF EQUIPPED)...9858
      Operation...9858
    TRAVEL CONTROLS...9859
      Description...9859
      Forward And Reverse Travel...9859
      Turning...9859
    MOTION ALARM SYSTEM (IF EQUIPPED)...9861
      Operation...9861
    HYDRAULIC CONTROLS...9862
      Description...9862
      STANDARD Control Pattern...9862
      ISO Control Pattern...9863
      Quick Couplers...9864
      Auxiliary Hydraulics...9865
      Relieve Hydraulic Pressure (Excavator And Attachment)...9865
      Return To Tank Valve (If Equipped)...9865
    BLADE CONTROL LEVER...9866
      Raising And Lowering Blade...9866
      Angling Blade...9866
    BOOM SWING PEDAL...9867
      Operation...9867
    DAILY INSPECTION...9868
      Daily Inspection And Maintenance...9869
    PRE-STARTING PROCEDURE...9870
      Operation & Maintenance Manual And Operator’s Handbook Locations...9870
      Entering The Excavator...9870
      Seat Adjustment...9871
      Seat Belt Adjustment...9871
      Control Console...9871
    STARTING THE ENGINE...9872
      Key Switch...9872
      Keyless...9873
      Cold Temperature Starting...9874
      Warming The Hydraulic System...9875
    STOPPING THE ENGINE AND LEAVING THE EXCAVATOR...9876
      Procedure...9876
      Emergency Exits...9877
    ATTACHMENTS...9878
      Installing And Removing The Attachment (Hydraulic X-Change)...9878
      Installing And Removing The Attachment (Pin-On X- Change)...9882
      Installing And Removing The Attachment (Bolt-On X- Change)...9888
      Installing And Removing The Attachment (Pin-On Attachment)...9894
    OPERATING PROCEDURE...9895
      Inspect The Work Area...9895
      Basic Operating Instructions...9895
      Lowering The Work Equipment (Engine STOPPED)...9895
      Lifting A Load...9896
      Excavating...9897
      Boom Swing...9899
      Backfilling...9900
      Driving The Excavator...9900
      Operating On Slopes...9901
      Operating In Water...9903
      Avoiding Track Damage...9904
    TOWING THE EXCAVATOR...9905
      Procedure...9905
    LIFTING THE EXCAVATOR...9906
      Procedure...9906
    TRANSPORTING THE EXCAVATOR ON A TRAILER...9907
      Loading And Unloading...9907
      Fastening...9907
  PREVENTIVE MAINTENANCE...9909
    MAINTENANCE SAFETY...9911
    SERVICE SCHEDULE...9913
      Chart...9913
    CONTROL CONSOLE LOCKOUTS...9914
      Inspection And Maintenance...9914
    SEAT BELT...9915
      Inspection And Maintenance...9915
    MOTION ALARM SYSTEM (IF EQUIPPED)...9916
      Description...9916
      Inspecting...9916
      Adjusting Switch Position...9916
    TAILGATE...9917
      Opening And Closing...9917
      Adjusting The Bumper...9917
      Adjusting The Latch...9917
    RIGHT SIDE COVER...9918
      Opening And Closing...9918
      Adjusting The Latch...9918
    CAB FILTERS...9919
      Cleaning And Maintenance...9919
    AIR CLEANER SERVICE...9920
      Daily Check...9920
      Replacing Filter Elements...9920
    FUEL SYSTEM...9922
      Fuel Specifications...9922
      Biodiesel Blend Fuel...9922
      Filling The Fuel Tank...9923
      Fuel Filters...9923
      Draining The Fuel Tank...9924
      Removing Air From The Fuel System...9924
    ENGINE LUBRICATION SYSTEM...9925
      Checking And Adding Engine Oil...9925
      Engine Oil Chart...9925
      Removing And Replacing Oil And Filter...9926
    ENGINE COOLING SYSTEM...9928
      Cleaning...9928
      Checking Level...9928
      Removing And Replacing Coolant...9929
    ELECTRICAL SYSTEM...9930
      Description...9930
      Fuse And Relay Location / Identification...9930
      Battery Maintenance...9931
      Using A Booster Battery (Jump Starting)...9932
      Removing And Installing Battery...9933
    HYDRAULIC SYSTEM...9934
      Checking And Adding Fluid...9934
      Hydraulic / Hydrostatic Fluid Chart...9934
      Removing And Replacing Hydraulic Filters...9935
      Removing And Replacing Hydraulic Fluid...9936
    SPARK ARRESTOR MUFFLER...9937
      Cleaning Procedure...9937
    TRACK TENSION...9938
      Adjusting...9938
    TRAVEL MOTOR...9940
      Checking And Adding Oil...9940
      Removing And Replacing Oil...9940
    ALTERNATOR BELT...9941
      Belt Adjustment...9941
      Belt Replacement...9941
    X-CHANGE...9942
      Inspection And Maintenance...9942
    TRACK ROLLER AND IDLER LUBRICATION...9942
      Procedure...9942
    BUCKET...9943
      Bucket Teeth Removal And Installation...9943
    CUTTING EDGE (ANGLE BLADE ONLY)...9944
      Removal And Installation...9944
    LUBRICATING THE EXCAVATOR...9945
      Lubrication Locations...9945
    PIVOT PINS...9948
      Inspection And Maintenance...9948
    EXCAVATOR STORAGE AND RETURN TO SERVICE...9949
      Storage...9949
      Return to Service...9949
  SYSTEM SETUP AND ANALYSIS...9951
    DIAGNOSTICS SERVICE CODE...9953
      Service Codes List...9953
    DISPLAY CONTROLLER PANEL SETUP...9954
      Passwords...9954
      Password Entry (For Starting and Operating the Machine)...9954
      Changing The Owner or Operator Password...9954
      Password Lockout Feature...9955
      Job Clock...9955
      RPM...9955
      Viewing Service Codes (Key Switch)...9956
      Viewing Service Codes (Keyless)...9956
    MAINTENANCE CLOCK...9957
      Description...9957
      Setup...9957
      Reset...9957
  MACHINE SIGN TRANSLATIONS...9959
    WARNING (6808185)...9961
    LIFT CHART (7127921)...9962
    SERVICE SCHEDULE (7158257)...9965
    WARNING (6807776)...9968
    WARNING (6804114, 6577754, 6809832, 6804233)...9971
    WARNING (6817815)...9972
      WARNING (6808474)...9972
    WARNING (6815915)...9973
    USING THE X-CHANGE SYSTEM (7102651)...9974
    USING THE X-CHANGE SYSTEM (7134587)...9977
    WARNING (6809829)...9980
    JOYSTICK CONTROL PATTERN SELECTOR LEVER (6815957)...9981
  SPECIFICATIONS...9983
    (335) EXCAVATOR SPECIFICATIONS...9985
      Dimensions...9985
      Excavator With Optional Angle Blade Dimensions...9987
      Performance...9988
      Controls...9988
      Engine...9988
      Hydraulic System...9989
      Hydraulic Cylinders...9989
      Hydraulic Cycle Times...9989
      Electrical...9990
      Instrumentation...9990
      Drive System...9990
      Slew System...9990
      Undercarriage...9990
      Crawler Track Design...9990
      Capacities...9990
      Fuel Tank...9990
      Tracks...9990
      Type...9990
      Ground Pressure...9990
  WARRANTY...9991
    WARRANTY...9993
  ALPHABETICAL INDEX...9994
6986949 (5-10) - 335 Compact Excavator Service Manual...9996
  ALPHABETICAL INDEX...10000
  CONTENTS...10002
    FOREWORD...10003
    SAFETY INSTRUCTIONS...10005
    FIRE PREVENTION...10007
      Maintenance...10007
      Operation...10007
      Electrical...10007
      Hydraulic System...10007
      Fueling...10007
      Starting...10007
      Spark Arrestor Exhaust System...10007
      Welding And Grinding...10008
      Fire Extinguishers...10008
    SERIAL NUMBER LOCATIONS...10009
      Excavator Serial Number...10009
      Engine Serial Number...10009
    DELIVERY REPORT...10010
    EXCAVATOR IDENTIFICATION...10011
  SAFETY AND MAINTENANCE...10012
    LIFTING AND BLOCKING THE EXCAVATOR...10016
      Procedure...10016
    UPPERSTRUCTURE SLEW LOCK...10018
      Operation...10018
    LIFTING THE EXCAVATOR...10020
      Procedure...10020
    OPERATOR CAB (ROPS / TOPS)...10022
      Description...10022
      Cab Door...10022
      Front Window...10023
      Front Wiper...10025
      Window Washer Reservoir...10025
      Right Side Window...10025
      Heating, Ventilation And Air Conditioning Duct...10026
      Heating, Ventilation And Air Conditioning Duct (Cont’d)...10027
    TRANSPORTING THE EXCAVATOR ON A TRAILER...10028
      Loading And Unloading...10028
      Fastening...10028
    TAILGATE...10030
      Opening And Closing...10030
      Adjusting The Bumper...10030
      Adjusting The Latch...10030
    RIGHT SIDE COVER...10032
      Opening And Closing...10032
      Adjusting The Bumper...10032
      Adjusting The Latch...10032
    SERVICE SCHEDULE...10034
      Chart...10034
    AIR CLEANER SERVICE...10036
      Daily Check...10036
      Replacing Filter Elements...10036
    HEATER AIR FILTER (WITH CAB OPTION ONLY)...10038
      Removal And Installation...10038
    ENGINE COOLING SYSTEM...10040
      Cleaning...10040
      Checking Level...10040
      Removing And Replacing Coolant...10041
    FUEL SYSTEM...10044
      Fuel Specifications...10044
      Biodiesel Blend Fuel...10044
      Fuel Filter...10046
      Draining The Fuel Tank...10046
      Removing Air From The Fuel System...10047
    ENGINE LUBRICATION SYSTEM...10048
      Checking And Adding Engine Oil...10048
      Engine Oil Chart...10048
      Removing And Replacing Oil And Filter...10049
    HYDRAULIC SYSTEM...10050
      Checking And Adding Fluid...10050
      Removing And Replacing Hydraulic Filter...10051
      Removing And Replacing Hydraulic Case Drain Filter...10051
      Removing And Replacing Hydraulic Fluid...10052
    LUBRICATING THE EXCAVATOR...10054
      Lubrication Locations...10054
    TRAVEL MOTOR...10058
      Checking And Adding Oil...10058
      Removing And Replacing Oil...10058
    SPARK ARRESTOR MUFFLER...10060
      Cleaning Procedure...10060
    ACCESSORY DRIVE BELT...10062
      Belt Adjustment...10062
      Belt Replacement...10062
    SEAT BELT...10064
      Inspection And Maintenance...10064
    PIVOT PINS...10066
      Inspection And Maintenance...10066
    EXCAVATOR STORAGE AND RETURN TO SERVICE...10068
      Storage...10068
      Return To Service...10068
    STOPPING THE ENGINE AND LEAVING THE EXCAVATOR...10070
      Procedure...10070
      Emergency Exits...10071
    MOTION ALARM SYSTEM (IF EQUIPPED)...10072
      Description...10072
      Inspecting...10072
      Adjusting Switch Position...10072
  HYDRAULIC SYSTEM...10074
    HYDRAULIC / HYDROSTATIC SCHEMATICS...10080
    HYDRAULIC SYSTEM INFORMATION...10084
      Glossary Of Hydraulic/Hydrostatic Symbols For Excavators...10084
      Troubleshooting The Hydraulic Circuit...10088
      Troubleshooting The Cylinder Circuit...10089
      Troubleshooting The Swing (Upperstructure Slew) Circuit...10090
      Troubleshooting The Travel Circuit...10091
    BOOM CYLINDER...10092
      Testing...10092
      Removal And Installation...10094
      Parts Identification...10097
      Disassembly...10098
      Assembly...10101
    ARM CYLINDER...10104
      Testing...10104
      Removal And Installation...10106
      Parts Identification...10108
      Disassembly...10109
      Assembly...10112
    BOOM SWING CYLINDER...10116
      Testing...10116
      Removal And Installation...10118
      Parts Identification...10120
      Disassembly...10121
      Assembly...10123
    BUCKET CYLINDER...10126
      Testing...10126
      Removal And Installation...10128
      Parts Identification...10130
      Disassembly...10131
      Assembly...10133
    BLADE CYLINDER...10136
      Testing...10136
      Removal And Installation...10137
      Parts Identification...10138
      Disassembly...10139
      Assembly...10141
    CLAMP CYLINDER...10144
      Testing...10144
      Removal And Installation...10145
      Parts Identification...10146
      Disassembly...10147
      Assembly...10150
    ANGLE BLADE CYLINDER...10156
      Testing...10156
      Removal And Installation...10157
      Parts Identification...10159
      Disassembly...10160
      Assembly...10162
    MAIN RELIEF VALVE...10166
      Testing And Adjusting The Main Relief Valve...10166
    PORT RELIEF VALVES...10170
      Testing And Adjusting The Port Relief Valve Pressure...10170
    CROSSPORT RELIEF VALVES...10172
      Testing And Adjusting The Crossport Relief Valve...10172
    PRESSURE REDUCING VALVE...10176
      Testing And Adjusting The Pressure Reducing Valve...10176
    HYDRAULIC CONTROL VALVE...10178
      Description...10178
      Removal And Installation...10178
      Identification Chart...10181
      Disassembly...10182
      Right Travel Valve Section Disassembly And Assembly...10184
      Left Travel Valve Section Disassembly And Assembly...10187
      Slew Valve Section Disassembly And Assembly...10190
      Blade Valve Section Disassembly And Assembly...10196
      Bucket Valve Section Disassembly And Assembly...10207
      Arm Valve Section Disassembly And Assembly...10213
      Boom Valve Section Disassembly And Assembly...10219
      Boom Swing Valve Section Disassembly And Assembly...10225
      Auxiliary Valve Section Disassembly And Assembly...10231
      Inlet Section Disassembly And Assembly...10239
      Assembly...10244
    HYDRAULIC PUMP...10250
      Piston Pump Work Sheet...10250
      Description...10253
      Testing The Piston Pump...10253
      Test Fitting Installation...10253
      Torque Limiter Adjustment...10260
      Testing Auxiliary Hydraulic Flow...10263
      Removal And Installation...10265
      Coupler Removal And Installation...10266
      Hydraulic Pump Start Up...10267
      Parts Identification (Torque Limiter Valve)...10268
      Torque Limiter Valve Removal...10269
      Torque Limiter Valve Disassembly...10270
      Torque Limiter Valve Assembly...10274
      Initial Torque Limiter Valve Setting...10277
      Torque Limiter Valve Installation...10279
      Parts Identification (Pump Control)...10280
      Pump Control Removal And Installation...10281
      Pump Control Disassembly And Assembly...10281
      Parts Identification (Piston Pump)...10287
      Piston Pump Disassembly...10288
      Piston Pump Assembly...10297
    MANIFOLD ASSEMBLY/ ACCUMULATOR...10308
      Description...10308
      Removal And Installation...10308
      Parts Identification...10311
      Disassembly And Assembly...10312
    TRAVEL MOTOR...10322
      Description...10322
      Removal And Installation...10322
      Parts Identification...10323
      Disassembly...10324
      Assembly...10334
    SWIVEL JOINT...10346
      Description...10346
      Removal And Installation...10346
      Parts Identification...10348
      Disassembly...10349
      Assembly...10350
    SWING MOTOR...10354
      Description...10354
      Removal And Installation...10354
      Parts Identification...10356
      Disassembly...10357
      Assembly...10362
    SWING MOTOR DRIVE CARRIER...10368
      Description...10368
      Removal And Installation...10368
      Parts Identification...10369
      Disassembly...10370
      Assembly...10372
    CONTROL PATTERN SELECTOR VALVE...10376
      Description...10376
      Removal And Installation...10376
      Parts Identification...10377
      Disassembly...10378
      Assembly...10379
    RIGHT CONTROL LEVER (JOYSTICK)...10380
      Description...10380
      Testing...10380
      Handle Removal And Installation...10381
      Removal And Installation...10385
      Parts Identification...10388
      Disassembly...10389
      Assembly...10394
    LEFT CONTROL LEVER (JOYSTICK)...10400
      Description...10400
      Testing...10400
      Handle Removal And Installation...10401
      Removal And Installation...10404
      Parts Identification...10407
      Disassembly...10408
      Assembly...10413
    HYDRAULIC FILTER...10418
      Description...10418
      Housing Removal And Installation...10418
    CASE DRAIN FILTER...10420
      Description...10420
      Housing Removal And Installation...10420
    HYDRAULIC RESERVOIR...10422
      Description...10422
      Removal And Installation...10422
    OIL COOLER...10424
      Description...10424
      Removal And Installation...10424
    DIRECT TO TANK VALVE...10426
      Description...10426
      Removal And Installation...10426
      Parts Identification...10427
      Disassembly And Assembly...10428
    HYDRAULIC X-CHANGE VALVE...10430
      Removal And Installation...10430
      Parts Identification...10434
      Disassembly...10435
      Assembly...10442
    BOOM SWING LOCK VALVE...10450
      Removal And Installation...10450
      Parts Identification...10451
      Disassembly...10452
      Assembly...10455
    TRAVEL CONTROL VALVE...10460
      Removal and Installation...10460
      Parts Identification...10461
      Disassembly And Assembly...10462
    ANGLE BLADE VALVE...10466
      Description...10466
      Testing And Adjusting Port Relief Valves...10466
      Testing And Adjusting Sequence Valve...10468
      Removal And Installation...10470
      Parts Identification...10473
      Disassembly...10474
      Assembly...10487
    SLEW LOCK VALVE...10500
      Description...10500
      Removal And Installation...10500
      Parts Identification...10501
      Disassembly And Assembly...10502
  UNDERCARRIAGE...10506
    BLADE...10508
      Description...10508
      Blade Removal And Installation...10508
    ANGLE BLADE ASSEMBLY...10510
      Removal And Installation...10510
    ANGLE BLADE...10512
      Removal And Installation...10512
    ANGLE BLADE CUTTING EDGE...10514
      Removal And Installation...10514
    TRACK FRAME COMPONENTS...10516
      Description...10516
      Track Lug Height...10516
      Checking Tension...10517
      Adjusting Tension...10519
      Rubber Track Removal And Installation...10520
      Steel Track Removal And Installation...10523
      Idler (Front) Removal And Installation...10527
      Idler (Front) Parts Identification...10528
      Idler (Front) Disassembly...10529
      Idler (Front) Assembly...10531
      Recoil Spring Assembly And Cylinder Removal And Installation...10534
      Recoil Spring Assembly And Cylinder Disassembly And Assembly (S/N A9KA11100 & Below And AAD114409 & Below)...10535
      Recoil Spring Cylinder Parts Identification (S/N A9KA11101 & Above And AAD114410 & Above)...10536
      Recoil Spring Assembly And Cylinder Disassembly And Assembly (S/N A9KA11101 & Above And AAD114410 & Above)...10537
      Roller Removal And Installation...10539
      Upper Roller Parts Identification...10540
      Upper Roller Disassembly...10541
      Upper Roller Assembly...10542
      Lower Roller Parts Identification...10545
      Lower Roller Disassembly...10546
      Lower Roller Assembly...10548
      Track Guide Removal And Installation...10550
      Sprocket Removal And Installation...10550
      Track Damage Identification...10551
    SWING CIRCLE GEAR...10562
      Removal...10562
      Installation...10563
  UPPERSTRUCTURE & SWING SECTION...10564
    UPPERSTRUCTURE...10568
      Description...10568
      Removal...10568
      Installation...10571
    CANOPY...10574
      Removal And Installation...10574
    CAB...10578
      Removal And Installation...10578
      Door Removal And Installation...10583
      Front Window Removal And Installation...10584
      Right Side Rear Sliding Window Removal And Installation...10587
      Right Side Front Sliding Window Removal And Installation...10587
      Glass Removal...10588
      Right Side Front And Rear Sliding Window Weather Strip Removal And Installation...10589
      Right Side Front And Rear Sliding Window Wiper Strip Removal And Installation...10589
      Glass Installation...10590
    SEAT AND SEAT MOUNT...10596
      Seat Mount Removal And Installation...10596
      Seat Removal And Installation...10596
    RIGHT CONSOLE...10598
      Description...10598
      Console Cover Removal And Installation...10598
      Console Frame Removal And Installation...10599
      Console Frame Disassembly And Assembly...10601
    LEFT CONSOLE...10602
      Description...10602
      Joystick Console Cover (Bottom) Removal And Installation...10602
      Joystick Console Cover (Top) Removal And Installation...10602
      Left Rear Console Cover Removal And Installation...10604
      Compression Spring Removal And Installation...10605
      Compression Spring Disassembly And Assembly...10606
      Lever Removal And Installation...10608
      Joystick Console Frame Removal And Installation...10610
      Joystick Console Frame Disassembly And Assembly...10614
      Left Console Frame Removal And Installation...10617
    BLADE CONTROL...10618
      Removal And Installation...10618
      Linkage Removal And Installation...10619
      Linkage Disassembly And Assembly...10620
    UPPERSTRUCTURE SLEW LOCK...10622
      Removal And Installation...10622
      Disassembly And Assembly...10622
    FLOOR MAT & FLOOR PANEL...10624
      Description...10624
      Removal And Installation (Canopy Equipped)...10624
      Removal And Installation (Cab Equipped)...10626
    BOOM SWING PEDAL...10630
      Description...10630
      Removal And Installation...10630
      Disassembly And Assembly...10630
      Linkage Removal And Installation...10632
    TRAVEL LEVER/PEDALS...10634
      Description...10634
      Removal And Installation...10634
      Disassembly And Assembly...10635
      Adjustment...10637
      Linkage Removal And Installation...10639
    FUEL TANK...10640
      Removal And Installation...10640
    HORN...10644
      Removal And Installation...10644
    SWING FRAME...10646
      Description...10646
      Removal And Installation...10646
      Hose Routing...10650
      Bushing Removal And Installation...10651
      Swing Frame Bushing Removal And Installation...10651
    BOOM...10654
      Description...10654
      Removal And Installation...10654
      Boom Bushing Removal And Installation...10655
    ARM...10656
      Description...10656
      Removal And Installation...10656
      Arm To Boom Bushing Removal And Installation...10657
      Arm To Bucket & Bucket Link Bushing Removal And Installation...10658
    BUCKET...10660
      Removal And Installation (Pin-On X-Change)...10660
      Removal And Installation (Bolt-On X-Change)...10666
      Removal And Installation (Hydraulic X-Change)...10673
      Bucket Teeth Removal And Installation...10678
      Bucket Side Cutting Edge Removal And Installation...10679
    TAILGATE...10680
      Removal And Installation...10680
      Latch Removal And Installation...10681
    X-CHANGE...10682
      Pin-On Removal And Installation...10682
      Pin-On Disassembly And Assembly...10683
    X-CHANGE (HYDRAULIC)...10684
      Removal And Installation...10684
      Parts Identification...10687
      Disassembly...10688
      Assembly...10693
    RIGHT SIDE COVER...10702
      Removal And Installation...10702
      Latch Removal And Installation...10703
  ELECTRICAL SYSTEM AND ANALYSIS...10704
    ELECTRICAL SCHEMATICS...10706
    ELECTRICAL SYSTEM INFORMATION...10708
      Glossary Of Electrical Symbols...10708
      Harness Connectors...10711
      Troubleshooting...10713
      Description...10714
      Fuse And Relay Locations/Identification...10714
    BATTERY...10716
      Removal And Installation...10716
      Servicing...10717
      Using A Booster Battery (Jump Starting)...10718
    ALTERNATOR...10722
      Belt Adjustment...10722
      Charging System Inspection...10723
      Alternator Voltage Testing...10724
      Low Voltage Testing...10724
      High Voltage Testing...10725
      Removal And Installation...10726
      Parts Identification...10728
    STARTER...10730
      Testing...10730
      Removal And Installation...10731
      Part Identification...10732
    LIGHTS...10734
      Upperstructure Light Removal And Installation...10734
      Upperstructure Light Disassembly And Assembly...10734
      Boom Light Removal And Installation...10735
      Boom Light Bulb Replacement...10735
    MAGNETIC LOCKOUT SENSOR...10736
      Testing Left Console Magnetic Lockout Sensor...10736
      Left Console Magnetic Lockout Sensor Removal And Installation...10737
    FUEL LEVEL SENDER...10740
      Removal And Installation...10740
      Testing...10741
    DIAGNOSTIC SERVICE CODES...10742
      Description...10742
      Service Codes List...10743
    DELUXE INSTRUMENT PANEL SETUP...10744
      Passwords...10744
      Password Entry (For Starting and Operating the Machine)...10744
      Changing The Owner Or Operator Password...10744
      Password Lockout Feature...10745
      Job Clock...10745
      RPM...10745
  ENGINE SERVICE...10746
    ENGINE INFORMATION...10748
      Description...10748
      Specifications...10749
      Fuel Injection Nozzles...10749
      Fuel Injection Pump...10749
      Cylinder Head...10749
      Valves...10749
      Valve Springs...10750
      Valve Timing...10750
      Rocker Arms...10750
      Camshaft...10750
      Tappet...10750
      Cylinders...10751
      Piston Rings...10751
      Pistons...10751
      Connecting Rods...10751
      Oil Pump...10751
      Crankshaft...10752
      Timing Gear...10752
      Thermostat...10752
      Engine Bolt Torque...10753
      Crankshaft Re-Grind Data...10754
      Torque Values...10755
      Troubleshooting...10755
      Engine Removal And Installation...10757
      Engine Mount Replacement...10763
      Compression - Checking...10766
    ENGINE SPEED CONTROL...10768
      Removal And Installation...10768
      Adjustment...10769
    SPARK ARRESTOR MUFFLER...10770
      Removal And Installation...10770
    AIR CLEANER...10772
      Removal And Installation...10772
    ENGINE COOLING SYSTEM...10774
      Radiator Removal And Installation...10774
      Water Pump Removal And Installation...10776
      Water Pump Disassembly And Assembly...10776
      Thermostat Housing Removal And Installation...10777
      Testing The Thermostat...10777
    LUBRICATION SYSTEM...10778
      Oil Pan Removal And Installation...10778
      Oil Pump Removal And Installation...10778
      Oil Pump Inspection...10779
      Engine Oil Pressure - Testing...10780
    FUEL SYSTEM...10782
      Fuel Camshaft Removal And Installation...10782
      Fuel Camshaft Governor Disassembly And Assembly...10783
      Fuel ShutOff Solenoid - Checking...10784
      Fuel Shutoff Solenoid Removal And Installation...10785
      Fuel Injection Pump Removal And Installation...10786
      Injection Pump - Timing...10789
      Fuel Injector Removal And Installation...10791
      Fuel Injector Nozzle Pressure - Checking...10793
      Nozzle Spray Condition...10793
      Valve Seat Tightness...10794
    CYLINDER HEAD...10796
      Glow Plug - Testing...10796
      Glow Plug Removal And Installation...10797
      Valve Clearance Adjustment...10798
      Valve Timing - Checking...10799
      Cylinder Head Removal And Installation...10800
      Cylinder Head Disassembly And Assembly...10803
      Cylinder Head Servicing...10803
      Cylinder Head Top Clearance...10804
      Valve Guide - Checking...10804
      Reconditioning The Valve And Valve Seat...10806
      Valve Spring...10807
      Valve Tappets...10808
      Rocker Arm And Shaft - Checking...10808
    CRANKSHAFT AND PISTONS...10810
      Piston And Connecting Rod Removal And Installation...10810
      Piston And Connecting Rod - Servicing...10812
      Cylinder Bore - Checking...10814
      Connecting Rod - Alignment...10814
      Crankshaft And Bearings Removal And Installation...10815
      Crankshaft And Bearings - Servicing...10817
    CAMSHAFT AND TIMING GEARS...10822
      Timing Gearcase Cover Removal And Installation...10822
      Timing Gears Backlash - Checking...10824
      Idler Gear And Shaft Removal And Installation...10825
      Camshaft - Servicing...10827
      Idler Gear And Shaft - Servicing...10828
    FLYWHEEL AND HOUSING...10830
      Flywheel Housing Removal And Installation...10830
      Hydraulic Pump Coupler Removal And Installation...10831
      Flywheel Removal And Installation...10832
      Flywheel Ring Gear...10832
    FAN...10834
      Removal And Installation...10834
  HEATING, VENTILATION, AIR CONDITIONING...10836
    HEATER COIL...10838
      Removal And Installation With A/C...10838
      Removal And Installation Without A/C...10838
    BLOWER FAN...10840
      Removal And Installation...10840
      Disassembly And Assembly...10841
      Resistor Removal And Installation...10842
    HEATER VALVE...10844
      Removal And Installation...10844
    AIR CONDITIONING SYSTEM FLOW...10847
      Principals...10847
      Chart...10848
    COMPONENTS...10850
      Identification...10850
    SAFETY...10854
      Safety Equipment...10854
    REGULAR MAINTENANCE...10856
      Heater Air Filter...10856
      Engine Accessory Drive Belt...10856
      Cleaning The Condenser...10856
    BASIC TROUBLESHOOTING...10858
      Poor A/C Performance...10858
      Cleaning The A/C Evaporator Coil & Heater Coil...10859
      Engine Accessory Drive Belt...10860
      Electrical System...10861
      Engine Coolant By-Passing The Heater Valve...10870
      Heater Valve Not Opening Or Closing...10871
    GENERAL AIR CONDITIONING SERVICE GUIDELINES...10874
      Compressor Oil...10874
      Compressor Oil Check...10875
      Component Replacement And Refrigeration Leaks...10876
    SYSTEM TROUBLESHOOTING CHART...10878
      Blower Motor Does Not Operate...10878
      Gauge Pressure Related Troubleshooting...10879
    TEMPERATURE/PRESSURE...10882
      Chart...10882
    AIR CONDITIONING SERVICE...10884
      Chart...10884
    SYSTEM CHARGING AND RECLAMATION...10886
      Reclamation Procedure...10886
      Charging With A Manifold Gauge Set...10889
    COMPRESSOR...10892
      Removal And Installation...10892
      Clutch Disassembly And Assembly...10894
    CONDENSER...10898
      Removal And Installation...10898
    RECEIVER/DRIER...10900
      Receiver/Drier Removal And Installation...10900
    PRESSURE RELIEF VALVE...10902
      Removal And Installation...10902
    PRESSURE SWITCH...10904
      Removal And Installation...10904
    EVAPORATOR / HEATER UNIT...10906
      Removal And Installation...10906
      Disassembly And Assembly...10907
    THERMOSTAT...10908
      Removal And Installation...10908
    EXPANSION VALVE...10910
      Removal And Installation...10910
    EVAPORATOR...10912
      Removal And Installation...10912
  SPECIFICATIONS...10914
    335 Excavator SPECIFICATIONS...10916
      Dimensions...10916
      Excavator With Optional Angle Blade Dimensions...10918
      Performance...10919
      Controls...10919
      Engine...10919
      Hydraulic System...10920
      Hydraulic Cylinders...10920
      Hydraulic Cycle Times...10920
      Electrical...10921
      Drive System...10921
      Slew System...10921
      Undercarriage...10921
      Capacities...10921
      Tracks...10921
      Ground Pressure...10921
    ENGINE SPECIFICATIONS...10922
      Fuel Injection Nozzles...10922
      Fuel Injection Pump...10922
      Cylinder Head...10922
      Valves...10922
      Valve Springs...10923
      Valve Timing...10923
      Rocker Arms...10923
      Camshaft...10923
      Tappet...10923
      Cylinders...10924
      Piston Rings...10924
      Pistons...10924
      Connecting Rods...10924
      Oil Pump...10924
      Crankshaft...10925
      Timing Gear...10926
      Thermostat...10926
      Engine Bolt Torque...10927
      Crankshaft Re-Grind Data...10928
    TORQUE SPECIFICATIONS...10930
      Torque For General SAE Bolts...10930
      Torque For General Metric Bolts...10931
    HYDRAULIC CONNECTION SPECIFICATIONS...10932
      O-Ring Face Seal Connection...10932
      Straight Thread O-Ring Fitting...10933
      Tubelines And Hoses...10933
      Flare Fitting...10933
      Port Seal Fitting...10934
    HYDRAULIC FLUID SPECIFICATIONS...10936
      Specifications...10936
    FUEL, COOLANT AND LUBRICANTS...10938
      Chart...10938
    CONVERSIONS...10940
      Decimal And Millimeter Equivalents...10940
      U.S. To Metric Conversion Chart...10940
  SERVICE MANUAL REVISION...10942
    Revision No: 335 - 1...10942
    Revision No: 335 - 2...10944
    Revision No: 335 - 3...10946