Bobcat Loaders 540, 542B, 543, 543B Repair Service Manuals
Catalog:
Model:
Complete repair service manual with Electrical Wiring Diagrams for Bobcat Loaders 540, 542B, 543, 543B, with workshop information to maintain, diagnose, repair, and rebuild like professional mechanics.
Bobcat Loaders 540, 542B, 543, 543B 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.
6556844 (6-82) - 540 Loader Operator's Manual.pdf
6556846 (8-82) - 543 Loader Operator's Manual.pdf
6566181 (6-12) - 540, 543 Loader Service Manual.pdf
6566181 (11-81) - 540, 543 Loader Service Manual.pdf
6566276 (9-96) - 543 Operation & Maintenance Manual.pdf
6566282 (11-82) - 540 Loader Operator's Manual.pdf
6566532 (6-12) - 540, 543, 543B Loader Service Manual.pdf
6566532 (11-94) - 540, 543, 543B Loader Service Manual.pdf
6566655 (5-84) - 540 Loader Operator's Manual.pdf
6566656 (9-83) - 543 Loader Operator's Manual.pdf
6566858 (8-84) - 540 Loader Operator's Manual.pdf
6570791 (5-88) - 542B Loader Service Manual.pdf
6570791 (6-12) - 542B Loader Service Manual.pdf
6720184 (9-96) - 542B, 543 Operation & Maintenance Manual.pdf
6720358 (11-89) - 542B Operation & Maintenance Manual.pdf
6722480 (3-99) - 543B Loader Operation & Maintenance Manual.pdf
6722584 (11-98) - 543 Loader Operation & Maintenance Manual.pdf
Total Pages: 2,322 pages
File Format: PDF (bookmarked, Searchable, Printable, high quality)
Language: English
TABLE OF CONTENTS
6556844 (6-82) - 540 Loader Operator& Manual...1
SAFETY INSTRUCTIONS...3
SAFETY IS YOUR RESPONSIBILITY...3
BEFORE YOU OPERATE THE BOBCAT LOADER...3
FOREWORD...5
CONTENTS...5
REFERENCE INFORMATION...5
540 BOBCAT LOADER IDENTIFICATION...6
OPERATING INSTRUCTIONS...7
OPERATING INSTRUCTIONS...9
CONTROLS...11
DASH PANEL...11
THROTTLE CONTROL...12
CHOKE CONTROL...12
TO STOP THE ENGINE...12
PARKING BRAKE...12
STEERING LEVERS...13
HYDRAULIC CONTROLS...14
BEFORE YOU START THE ENGINE...15
STARTING THE ENGINE...16
Normal Starting Condition...17
Cold Temperature Starting Condition...17
BOBCAT LOADER OPERATION...18
Bucket Size...18
Installation Of Attachments...19
Removal Of Attachments...19
OPERATION OF THE BOBCAT LOADER...20
Filling The Bucket...21
To Empty The Bucket...21
Digging Into The Ground...22
Making The Ground Level...22
Filling A Hole...22
STOPPING THE BOBCAT LOADER...23
TRANSPORTING THE BOBCAT LOADER...23
LIFT ARM STOP...24
LIFT THE OPERATOR GUARD...25
LOWERING THE OPERATOR GUARD...25
PREVENTIVE MAINTENANCE...27
SERVICE SCHEDULE...29
ENGINE SERVICE...30
AIR CLEANER SERVICE...30
FUEL SYSTEM...31
FUEL SYSTEM SERVICE...31
FUEL FILTER...31
ENGINE LUBRICATION SYSTEM...32
REPLACEMENT OF ENGINE OIL AND FILTER...32
ENGINE COOLING SYSTEM...33
ELECTRICAL SYSTEM...33
USING AN EXTRA BATTERY (JUMP STARTING)...35
TO INSTALL A NEW BATTERY...36
SPARK ARRESTOR MUFFLER...37
HYDRAULIC SYSTEM...37
HYDRAULIC / HYDROSTATIC OIL RESERVOIR...39
Checking And Adding Oil...39
Removing Hydraulic Oil...39
REPLACEMENT OF THE HYDRAULIC FILTER...40
FINAL DRIVE TRANSMISSION (CHAINCASE)...40
TIRE MAINTENANCE...40
Tire Rotation...41
LUBRICATION OF THE BOBCAT LOADER...41
OPERATOR GUARD (ROPS & FOPS)...42
BOB-TACH...43
PIVOT PINS...43
AUXILIARY CONTROL LOCKBOLT...43
BRAKE PEDAL ADJUSTMENT...43
DELIVERY REPORT...44
TROUBLESHOOTING...45
TROUBLESHOOTING THE ENGINE...47
TROUBLESHOOTING THE DRIVE SYSTEM...48
TROUBLESHOOTING THE HYDRAULIC SYSTEM...49
DECALS...51
DECALS...53
SERVICE SCHEDULE - 6561387...54
WARNING - 6563484...56
WARNING - 6563380...57
WARNING - 6561380 ...58
IMPORTANT - 6560573...59
GENERAL INFORMATION...61
LOADER SPECIFICATIONS...63
Operation & Performance...63
Engine...63
Hydraulic System...64
Hydrostatic Transmission & Final Drive...64
Electrical...64
Tires...64
Fluid Capacities...64
ADDITIONAL PUBLICATIONS...65
WARRANTY...67
6556846 (8-82) - 543 Loader Operator& Manual...69
SAFETY INSTRUCTIONS...71
SAFETY IS YOUR RESPONSIBILITY...71
BEFORE YOU OPERATE THE BOBCAT LOADER...71
FOREWORD...73
CONTENTS...73
REFERENCE INFORMATION...73
543 BOBCAT LOADER IDENTIFICATION...74
OPERATING INSTRUCTIONS...75
OPERATING INSTRUCTIONS...77
CONTROLS...79
DASH PANEL...79
THROTTLE CONTROL...80
TO STOP THE ENGINE...80
PARKING BRAKE...80
STEERING LEVERS...81
HYDRAULIC CONTROLS...82
BEFORE YOU START THE ENGINE...83
STARTING THE ENGINE...84
Normal Starting Condition...85
Cold Temperature Starting Condition...85
BOBCAT LOADER OPERATION...86
Bucket Size...86
Installation Of Attachments...87
Removal Of Attachments...87
OPERATING PROCEDURE...88
Filling The Bucket...89
To Empty The The Bucket...89
Digging Into The Ground...90
Making The Ground Level By Using Float Position...90
Filling A Hole...90
STOPPING THE BOBCAT LOADER...91
TRANSPORTING THE BOBCAT LOADER...91
LIFT ARM STOP...92
LIFTING THE OPERATOR GUARD...93
LOWERING THE OPERATOR GUARD...93
PREVENTIVE MAINTENANCE...95
SERVICE SCHEDULE...99
ENGINE SERVICE...100
AIR CLEANER SERVICE...100
FUEL SYSTEM...101
FUEL SYSTEM SERVICE...101
FUEL FILTER...102
ENGINE LUBRICATION SYSTEM...102
REPLACEMENT OF ENGINE OIL AND FILTER...102
FUEL INJECTION PUMP RESERVOIR...104
ENGINE COOLING SYSTEM...104
ELECTRICAL SYSTEM...105
USING AN EXTRA BATTERY (JUMP STARTING)...107
TO INSTALL A NEW BATTERY...108
SPARK ARRESTOR MUFFLER...109
HYDRAULIC SYSTEM ...109
HYDRAULIC / HYDROSTATIC OIL RESERVOIR...111
Checking And Adding Oil...111
Removing Hydraulic Oil...111
REPLACEMENT OF THE HYDRAULIC FILTER...112
FINAL DRIVE TRANSMISSION (CHAINCASE)...112
TIRE MAINTENANCE...112
Tire Rotation...112
LUBRICATION OF THE BOBCAT LOADER...113
OPERATOR GUARD...114
BOB-TACH...114
PIVOT PINS...114
AUXILIARY CONTROL LOCKBOLT...115
BRAKE PEDAL ADJUSTMENT...115
DELIVERY REPORT...115
TROUBLESHOOTING...117
TROUBLESHOOTING THE ENGINE...119
TROUBLESHOOTING THE DRIVE SYSTEM...120
TROUBLESHOOTING HTE ENGINE...121
DECALS...123
DECALS...125
SERVICE SCHEDULE - 6561387...126
WARNING - 6563484...128
WARNING - 6563380...129
WARNING - 6561380 ...130
IMPORTANT - 6560573...131
GENERAL INFORMATION...133
LOADER SPECIFICATIONS...135
Operational & Performance...135
Pallet Fork Weight Distribution Specifications...135
Engine...136
Loader Hydraulics...136
Electrical...136
Drive System...136
Capacities...136
Tires...136
ADDITIONAL PUBLICATIONS...137
WARRANTY...139
6566181 (11-81) - 540, 543 Loader Service Manual...141
MAINTENANCE SAFETY...143
CONTENTS...145
FOREWORD...145
SAFETY INSTRUCTIONS...147
PREVENTIVE MAINTENANCE...149
INTRODUCTION...151
Serial Number Identification...151
Loader Serial Number...151
Engine Serial Number...151
Pre–Delivery Inspection...151
Thirty Hour Inspection...152
SERVICE SCHEDULE...153
ENGINE SERVICE (General)...154
Air Cleaner Service...154
Fuel System...155
Engine Lubrication System...156
Replacement Of The Engine Oil And Filter...156
Engine Cooling System...157
ELECTRICAL SYSTEM...158
Electrical System Service...158
Using An Extra Battery (Booster Starting)...158
Installing New Battery...160
HYDRAULIC/HYDROSTATIC FLUID...161
Replacing The Hydraulic/Hydrostatic Filter...161
Checking And Adding Hydraulic/Hydrostatic Fluid...161
Removing The Hydraulic/Hydrostatic Fluid...162
FINAL DRIVE TRANSMISSION (Chaincase)...163
Checking Chaincase Fluid...163
SPARK ARRESTOR MUFFLER...163
Cleaning The Spark Arrestor Muffler...163
OPERATOR GUARD...164
LUBRICATION OF THE LOADER...164
TRANSPORTING THE BOBCAT LOADER...165
Loading The Bobcat Loader...165
Fastening The Loader To TheTransport Vehicle...165
LIFT ARM STOP...166
STOPPING THE BOBCAT LOADER...166
HYDRAULIC SYSTEM...167
HYDRAULIC / HYDROSTATIC SCHEMATICS...169
TROUBLESHOOTING...179
HYDRAULIC SYSTEM INFORMATION...180
37° Flare Connections...180
Straight Thread O–Ring Fitting...180
Tubelines and Hoses...180
HYDRAULIC CONTROL VALVE...181
Relief Valve...181
Checking The Relief Valve...181
Removal Of The Relief Valve...182
Installation Of The Relief Valve...182
Removal Of The Hydraulic Control Valve...183
Disassembly Of The Hydraulic Control Valve...184
Detent Mechanism...185
Assembling the Hydraulic Control Valve...186
Installing the Hydraulic Control Valve...188
HYDRAULIC PUMP...188
Checking Output Of The Hydraulic Pump...189
Removal Of The Hydraulic Pump...189
Disassembly Of The Hydraulic Pump...190
Inspection Of The Hydraulic Pump...191
Assembling The Hydraulic Pump...191
Installing The Hydraulic Pump...193
Start–Up Procedure For The Hydraulic Pump...193
LIFT CYLINDERS...193
Checking The Lift Cylinders...193
Removing The Lift Cylinder...194
Disassembly Of The Hydraulic Cylinder...195
Assembly Of The Hydraulic Cylinder...196
Installation Of The Lift Cylinder...198
TILT CYLINDER...199
Checking The Tilt Cylinder...199
Removing The Tilt Cylinder...200
Installation Of The Tilt Cylinder...201
HYDRAULIC/HYDROSTATIC RESERVOIR...201
Removing The Hydraulic/Hydrostatic Reservoir...201
Installation Of The Hydraulic/Hydrostatic Reservoir...202
OIL COOLER...202
Removing The Oil Cooler (540)...202
Installation Of The Oil Cooler (540)...203
Removing The Oil Cooler (543)...203
Installing The Oil Cooler (543)...204
10 MICRON FILTER BY–PASSVALVE...204
Removing The By–Pass Valve...204
Installation Of The By–Pass Valve...205
CONTROL PEDAL, LINKAGE AND LOCKS...205
Removing The Control Pedal...205
Adjusting The Control Pedal...206
Pedal Lock Linkage...206
HYDROSTATIC SYSTEM...209
TROUBLESHOOTING...211
HYDROSTATIC SYSTEM INFORMATION...212
High Pressure Relief Replenishing Valves Function...212
STEERING LEVERS...213
Removing Steering Levers...213
Repairing The Steering Levers...214
Installing The Steering Levers...214
STEERING LINKAGE...215
Adjustment Of The Steering Linkage...215
Removing The Steering Linkage...216
Repairing The Pintle Lever...217
Installing The Steering Linkage...217
PORT BLOCK...218
Removing The Port Block...218
Installing The Port Block...218
By–Pass Valve...219
HYDROSTATIC MOTOR...219
Removing The Hydrostatic Motor...219
Disassembly Of The Hydrostatic Motor...221
Inspection Of The Hydrostatic Motor...223
Assembling The Hydrostatic Motor...224
Installing The Hydrostatic Motor...227
Start–Up Procedure For The Hydrostatic Motor...227
HYDROSTATIC PUMP...228
Checking The High Pressure Relief Replenishing Valves...228
Checking The Charge Pressure...229
Cold Weather By–Pass Valve...229
Removing The Hydrostatic Pumps...230
Disassembly Of The Hydrostatic Pumps...231
Inspection Of The Hydrostatic Pumps...235
Assembling The Hydrostatic Pumps...236
Installing the Hydrostatic Pumps...239
Hydrostatic Pump Start–Up Procedure...240
DRIVE SYSTEM...243
BRAKES...245
Parking Brake Adjustment...245
Parking Brake Removal...245
Parking Brake Inspection...247
Parking Brake Installation...247
FINAL DRIVE CHAINS...249
Remove The Drive Chain(s)...249
Installing The Drive Chain(s)...250
AXLES AND BEARINGS...251
Removing Axle(s) and Bearings...251
Assembly Of The Axle...252
Axle And Bearing Installation...253
CHAINCASE FLUID...254
Replacing Chaincase Fluid...254
MAIN FRAME...255
OPERATOR GUARD...257
Raising The Operator Guard...257
Lowering The Operator Guard...257
Jumper Start Switch...258
Removing The Operator Guard...258
Installing The Operator Guard...259
LIFT ARMS...259
Removing The Lift Arms...259
Installing The Lift Arms...260
BOB–TACH...261
Removing The Bob–Tach...261
Disassembly Of The Bob–Tach...262
Assembly Of The Bob–Tach...263
Installing The Bob–Tach...264
REAR DOOR...265
Removing The Rear Door (Early Model)...265
Removing The Rear Door (Later Models)...265
Installing The Rear Door...266
Adjusting The Rear Door Latch...266
FUEL TANK...267
Removing The Fuel Tank...267
Installing The Fuel Tank...267
ELECTRICAL SYSTEM...269
ELECTRICAL SCHEMATICS...272
TROUBLESHOOTING...279
ELECTRICAL SYSTEM INFORMATION...280
Electrical Circuitry...280
Safety Procedures For The Batteries...280
Precautions For The Alternator...281
BATTERY...281
Removing The Battery...281
Installing The Battery...282
WIRE HARNESS FOR THE OPERATOR GUARD...282
Removing The Wire Harness For The Operator Guard...282
Installing The Wire Harness For The Operator Guard...283
WIRE HARNESS FOR THE ENGINE...283
ALTERNATOR SYSTEM (540)...284
Checking the A.C. Voltage...284
Replacement Of The Stator...284
ALTERNATOR SYSTEM (543)...284
Belt Adjustment For The Alternator...284
Checking The Alternator...285
Removing The Alternator...286
Repairing The Alternator...287
Installing The Alternator...288
STARTER (540)...289
Checking The Starter...289
Removing The Starter...289
Repairing The Starter...289
STARTER (543)...290
Checking The Starter...290
Removing The Starter...290
Repairing The Starter...291
Installing The Starter...293
ENGINE SERVICE...295
540 KOHLER ENGINE SERVICE...297
TROUBLESHOOTING...299
CHECKS & ADJUSTMENTS...301
Oil Pressure...301
Valve Clearance...301
Compression...302
Throttle And Governor Linkage...302
Ignition System...303
Spark Plugs...303
CARBURETOR & FUEL SHUT–OFF SOLENOID...304
Removing The Carburetor...304
Disassembly And Inspection Of The Carburetor...304
Assembly Of The Carburetor...304
Fuel Shut–off Solenoid...305
GOVERNOR...305
Removing The Governor...305
Installing The Governor...305
ENGINE AND HEAT SHIELD...306
Removing The Engine...306
Installation Of The Engine...307
Removing The Heat Shield...307
Installing The Heat Shield...308
RECONDITIONING THE VALVES...308
Repair Of The Valves And Guides...308
TIMING COVER, TIMING GEARS AND CAMSHAFT...309
Timing Cover...309
Timing Gears...309
Camshaft And Tappets...310
OIL PUMP AND RELIEF VALVE...310
Relief Valve...310
Oil Pump...310
Adjusting Gear Clearance For The Oil Pump...310
PISTONS, RODS AND CRANKSHAFT...311
Removing Pistons, Rods And Crankshaft...311
Crankshaft Bearing And End Play...312
CYLINDER HEAD...313
INTAKE AND EXHAUST MANIFOLD...313
FLYWHEEL...313
543 ISUZU ENGINE SERVICE...315
TROUBLESHOOTING...317
FUEL SYSTEM...319
Fuel Filter...319
Removing The Air From The Fuel System...319
Fuel Lift Pump...319
Removal Of The Fuel Injection Pump...320
Fuel Injection Pump Drive Gear...320
Installation And Timing Of The Fuel Injection Pump...321
Fuel Injection Pump Reservoir...321
Fuel Injector Nozzles...322
Removing The Fuel Injector Nozzles...322
Checking The Fuel Injector Nozzles...323
Disassembly Of The Fuel Injector Nozzle...324
Inspection Of The Fuel Injector Nozzle...324
Assembling The Fuel Injectors Nozzle...324
nstallation Of The Fuel Injector Nozzles...325
ENGINE, BLOWER HOUSING AND RADIATOR...325
Removing The Engine...327
Installing The Engine...328
Installing The Blower Housing...329
Removing The Radiator...330
Installation Of The Radiator...332
ENGINE OVERHAUL...333
Disassembly Of The Engine...333
ROCKER ARMS AND SHAFT...334
Disassembly Of The Rocker Arms...334
Inspection Of The Rocker Arms...335
CYLINDER HEAD...335
Disassembly Of The Cylinder Head...335
Inspection Of The Cylinder Head...336
Inspection Of The Combustion Chambers...336
Inspection And Correction Of The Valves & Guides...336
Inspection Of The Valve Springs...338
Inspection Of The Push Rods And Tappets...338
Installation Of The Hot Plugs...338
Assembly Of The Valve System...338
CYLINDER BLOCK...339
Inspection Of The Cylinder Block...339
Correction Of The Cylinder Bores...339
PISTONS AND PISTON RINGS...339
Disassembly Of The Piston And Rings...339
Inspection Of The Pistons...340
Inspection Of The Connecting Rods & Bearings...340
Assembly Of The Piston & Connecting Rod...341
Inspection Of The Connecting Rod Bearings...341
CRANKSHAFT...342
Inspection Of The Crankshaft And Bearings...342
CAMSHAFT...342
Inspection Of The Camshaft...342
TIMING GEAR...343
Inspection Of The Timing Gear...343
MANIFOLD ASSEMBLY...343
Inspection Of The Manifold Assembly...343
OIL PUMP AND OIL FILTER ASSEMBLY...343
Disassembly Of The Oil Pump...343
Inspection Of The Oil Pump...344
Oil Filter Assembly ...344
Inspection Of The Oil Filter Assembly...344
WATER PUMP ...344
Disassembly Of The Water Pump...344
Inspection Of The Water Pump...345
Assembly Of The Water Pump...345
ASSEMBLY OF THE ENGINE...346
ENGINE FLYWHEEL...349
Removing The Flywheel...349
Installing The Flywheel...349
TECHNICAL DATA...351
540 LOADER SPECIFICATIONS...353
Specifications...353
Engine...353
Loader Hydraulics...354
Electrica...354
Drive System...354
Capacities...354
Tires...354
543 LOADER SPECIFICATIONS...355
Specifications...355
Engine...355
Loader Hydraulics...356
Electrical...356
Drive System...356
Capacities...356
Tires...356
ENGINE SPECIFICATIONS ...357
540 LOADER (KOHLER)...357
Engine (General)...357
Cylinder Bore...357
Crankshaft...357
Camshaft...357
Connecting Rod...357
Piston, Pin & Rings...357
Valves, Guides & Tappets...357
Engine Torque...358
543 LOADER (ISUZU)...359
Cylinder Block...359
Cylinder Head...359
Piston...359
Piston Ring...359
Connecting Rod...359
Crankshaft...359
Camshaft...359
Timing Gear...359
Valve...360
Valve Spring...360
Tappet...360
Oil Pump and Relief Valve...360
Water Pump...360
Fuel Lift Pump...360
Fuel Injector...360
Engine Torque...361
TORQUE SPECIFICATIONS...362
Engine Group – 540 Loader...362
Engine Group – 543 Loader...363
Engine Group – 543 Loader...364
Seat Bar, Fuel Tank & Panel Group...365
Steering Levers, Linkage & Pedal Group...366
Mainframe Group...368
Hydrostatic Group – 540 Loader...369
Hydrostatic Group – 543 Loader...370
Hydraulic Group...371
HYDRAULIC/HYDROSTATIC FLUID SPECIFICATIONS...372
Hydraulic/Hydrostatic Fluid...372
DECIMAL AND MILLIMETER EQUIVALENTS...373
U.S. TO METRIC CONVERSION...373
STANDARD TORQUE SPECIFICATIONS FOR BOLTS...374
ALPHABETICAL INDEX...375
SERVICE MANUAL REVISIONS...381
540–1...381
540–2...383
540–2...385
540–3...387
540–4...389
540–5...391
540–6...393
6566181 (6-12) - 540, 543 Loader Service Manual...395
MAINTENANCE SAFETY...397
CONTENTS...399
FOREWORD...399
SAFETY INSTRUCTIONS...401
PREVENTIVE MAINTENANCE...403
INTRODUCTION...405
Serial Number Identification...405
Loader Serial Number...405
Engine Serial Number...405
Pre–Delivery Inspection...405
Thirty Hour Inspection...406
SERVICE SCHEDULE...407
ENGINE SERVICE (General)...408
Air Cleaner Service...408
Fuel System...409
Engine Lubrication System...410
Replacement Of The Engine Oil And Filter...410
Engine Cooling System...411
ELECTRICAL SYSTEM...412
Electrical System Service...412
Using An Extra Battery (Booster Starting)...412
Installing New Battery...414
HYDRAULIC/HYDROSTATIC FLUID...415
Replacing The Hydraulic/Hydrostatic Filter...415
Checking And Adding Hydraulic/Hydrostatic Fluid...415
Removing The Hydraulic/Hydrostatic Fluid...416
FINAL DRIVE TRANSMISSION (Chaincase)...417
Checking Chaincase Fluid...417
SPARK ARRESTOR MUFFLER...417
Cleaning The Spark Arrestor Muffler...417
OPERATOR GUARD...418
LUBRICATION OF THE LOADER...418
TRANSPORTING THE BOBCAT LOADER...419
Loading The Bobcat Loader...419
Fastening The Loader To TheTransport Vehicle...419
LIFT ARM STOP...420
STOPPING THE BOBCAT LOADER...420
HYDRAULIC SYSTEM...421
HYDRAULIC / HYDROSTATIC SCHEMATICS...423
TROUBLESHOOTING...433
HYDRAULIC SYSTEM INFORMATION...434
37° Flare Connections...434
Straight Thread O–Ring Fitting...434
Tubelines and Hoses...434
HYDRAULIC CONTROL VALVE...435
Relief Valve...435
Checking The Relief Valve...435
Removal Of The Relief Valve...436
Installation Of The Relief Valve...436
Removal Of The Hydraulic Control Valve...437
Disassembly Of The Hydraulic Control Valve...438
Detent Mechanism...439
Assembling the Hydraulic Control Valve...440
Installing the Hydraulic Control Valve...442
HYDRAULIC PUMP...442
Checking Output Of The Hydraulic Pump...443
Removal Of The Hydraulic Pump...443
Disassembly Of The Hydraulic Pump...444
Inspection Of The Hydraulic Pump...445
Assembling The Hydraulic Pump...445
Installing The Hydraulic Pump...447
Start–Up Procedure For The Hydraulic Pump...447
LIFT CYLINDERS...447
Checking The Lift Cylinders...447
Removing The Lift Cylinder...448
Disassembly Of The Hydraulic Cylinder...449
Assembly Of The Hydraulic Cylinder...450
Installation Of The Lift Cylinder...452
TILT CYLINDER...453
Checking The Tilt Cylinder...453
Removing The Tilt Cylinder...454
Installation Of The Tilt Cylinder...455
HYDRAULIC/HYDROSTATIC RESERVOIR...455
Removing The Hydraulic/Hydrostatic Reservoir...455
Installation Of The Hydraulic/Hydrostatic Reservoir...456
OIL COOLER...456
Removing The Oil Cooler (540)...456
Installation Of The Oil Cooler (540)...457
Removing The Oil Cooler (543)...457
Installing The Oil Cooler (543)...458
10 MICRON FILTER BY–PASSVALVE...458
Removing The By–Pass Valve...458
Installation Of The By–Pass Valve...459
CONTROL PEDAL, LINKAGE AND LOCKS...459
Removing The Control Pedal...459
Adjusting The Control Pedal...460
Pedal Lock Linkage...460
HYDROSTATIC SYSTEM...463
TROUBLESHOOTING...465
HYDROSTATIC SYSTEM INFORMATION...466
High Pressure Relief Replenishing Valves Function...466
STEERING LEVERS...467
Removing Steering Levers...467
Repairing The Steering Levers...468
Installing The Steering Levers...468
STEERING LINKAGE...469
Adjustment Of The Steering Linkage...469
Removing The Steering Linkage...470
Repairing The Pintle Lever...471
Installing The Steering Linkage...471
PORT BLOCK...472
Removing The Port Block...472
Installing The Port Block...472
By–Pass Valve...473
HYDROSTATIC MOTOR...473
Removing The Hydrostatic Motor...473
Disassembly Of The Hydrostatic Motor...475
Inspection Of The Hydrostatic Motor...477
Assembling The Hydrostatic Motor...478
Installing The Hydrostatic Motor...481
Start–Up Procedure For The Hydrostatic Motor...481
HYDROSTATIC PUMP...482
Checking The High Pressure Relief Replenishing Valves...482
Checking The Charge Pressure...483
Cold Weather By–Pass Valve...483
Removing The Hydrostatic Pumps...484
Disassembly Of The Hydrostatic Pumps...485
Inspection Of The Hydrostatic Pumps...489
Assembling The Hydrostatic Pumps...490
Installing the Hydrostatic Pumps...493
Hydrostatic Pump Start–Up Procedure...494
DRIVE SYSTEM...497
BRAKES...499
Parking Brake Adjustment...499
Parking Brake Removal...499
Parking Brake Inspection...501
Parking Brake Installation...501
FINAL DRIVE CHAINS...503
Remove The Drive Chain(s)...503
Installing The Drive Chain(s)...504
AXLES AND BEARINGS...505
Removing Axle(s) and Bearings...505
Assembly Of The Axle...506
Axle And Bearing Installation...507
CHAINCASE FLUID...508
Replacing Chaincase Fluid...508
MAIN FRAME...509
OPERATOR GUARD...511
Raising The Operator Guard...511
Lowering The Operator Guard...511
Jumper Start Switch...512
Removing The Operator Guard...512
Installing The Operator Guard...513
LIFT ARMS...513
Removing The Lift Arms...513
Installing The Lift Arms...514
BOB–TACH...515
Removing The Bob–Tach...515
Disassembly Of The Bob–Tach...516
Assembly Of The Bob–Tach...517
Installing The Bob–Tach...518
REAR DOOR...519
Removing The Rear Door (Early Model)...519
Removing The Rear Door (Later Models)...519
Installing The Rear Door...520
Adjusting The Rear Door Latch...520
FUEL TANK...521
Removing The Fuel Tank...521
Installing The Fuel Tank...521
ELECTRICAL SYSTEM...523
ELECTRICAL SCHEMATICS...526
TROUBLESHOOTING...533
ELECTRICAL SYSTEM INFORMATION...534
Electrical Circuitry...534
Safety Procedures For The Batteries...534
Precautions For The Alternator...535
BATTERY...535
Removing The Battery...535
Installing The Battery...536
WIRE HARNESS FOR THE OPERATOR GUARD...536
Removing The Wire Harness For The Operator Guard...536
Installing The Wire Harness For The Operator Guard...537
WIRE HARNESS FOR THE ENGINE...537
ALTERNATOR SYSTEM (540)...538
Checking the A.C. Voltage...538
Replacement Of The Stator...538
ALTERNATOR SYSTEM (543)...538
Belt Adjustment For The Alternator...538
Checking The Alternator...539
Removing The Alternator...540
Repairing The Alternator...541
Installing The Alternator...542
STARTER (540)...543
Checking The Starter...543
Removing The Starter...543
Repairing The Starter...543
STARTER (543)...544
Checking The Starter...544
Removing The Starter...544
Repairing The Starter...545
Installing The Starter...547
ENGINE SERVICE...549
540 KOHLER ENGINE SERVICE...551
TROUBLESHOOTING...553
CHECKS & ADJUSTMENTS...555
Oil Pressure...555
Valve Clearance...555
Compression...556
Throttle And Governor Linkage...556
Ignition System...557
Spark Plugs...557
CARBURETOR & FUEL SHUT–OFF SOLENOID...558
Removing The Carburetor...558
Disassembly And Inspection Of The Carburetor...558
Assembly Of The Carburetor...558
Fuel Shut–off Solenoid...559
GOVERNOR...559
Removing The Governor...559
Installing The Governor...559
ENGINE AND HEAT SHIELD...560
Removing The Engine...560
Installation Of The Engine...561
Removing The Heat Shield...561
Installing The Heat Shield...562
RECONDITIONING THE VALVES...562
Repair Of The Valves And Guides...562
TIMING COVER, TIMING GEARS AND CAMSHAFT...563
Timing Cover...563
Timing Gears...563
Camshaft And Tappets...564
OIL PUMP AND RELIEF VALVE...564
Relief Valve...564
Oil Pump...564
Adjusting Gear Clearance For The Oil Pump...564
PISTONS, RODS AND CRANKSHAFT...565
Removing Pistons, Rods And Crankshaft...565
Crankshaft Bearing And End Play...566
CYLINDER HEAD...567
INTAKE AND EXHAUST MANIFOLD...567
FLYWHEEL...567
543 ISUZU ENGINE SERVICE...569
TROUBLESHOOTING...571
FUEL SYSTEM...573
Fuel Filter...573
Removing The Air From The Fuel System...573
Fuel Lift Pump...573
Removal Of The Fuel Injection Pump...574
Fuel Injection Pump Drive Gear...574
Installation And Timing Of The Fuel Injection Pump...575
Fuel Injection Pump Reservoir...575
Fuel Injector Nozzles...576
Removing The Fuel Injector Nozzles...576
Checking The Fuel Injector Nozzles...577
Disassembly Of The Fuel Injector Nozzle...578
Inspection Of The Fuel Injector Nozzle...578
Assembling The Fuel Injectors Nozzle...578
nstallation Of The Fuel Injector Nozzles...579
ENGINE, BLOWER HOUSING AND RADIATOR...579
Removing The Engine...581
Installing The Engine...582
Installing The Blower Housing...583
Removing The Radiator...584
Installation Of The Radiator...586
ENGINE OVERHAUL...587
Disassembly Of The Engine...587
ROCKER ARMS AND SHAFT...588
Disassembly Of The Rocker Arms...588
Inspection Of The Rocker Arms...589
CYLINDER HEAD...589
Disassembly Of The Cylinder Head...589
Inspection Of The Cylinder Head...590
Inspection Of The Combustion Chambers...590
Inspection And Correction Of The Valves & Guides...590
Inspection Of The Valve Springs...592
Inspection Of The Push Rods And Tappets...592
Installation Of The Hot Plugs...592
Assembly Of The Valve System...592
CYLINDER BLOCK...593
Inspection Of The Cylinder Block...593
Correction Of The Cylinder Bores...593
PISTONS AND PISTON RINGS...593
Disassembly Of The Piston And Rings...593
Inspection Of The Pistons...594
Inspection Of The Connecting Rods & Bearings...594
Assembly Of The Piston & Connecting Rod...595
Inspection Of The Connecting Rod Bearings...595
CRANKSHAFT...596
Inspection Of The Crankshaft And Bearings...596
CAMSHAFT...596
Inspection Of The Camshaft...596
TIMING GEAR...597
Inspection Of The Timing Gear...597
MANIFOLD ASSEMBLY...597
Inspection Of The Manifold Assembly...597
OIL PUMP AND OIL FILTER ASSEMBLY...597
Disassembly Of The Oil Pump...597
Inspection Of The Oil Pump...598
Oil Filter Assembly ...598
Inspection Of The Oil Filter Assembly...598
WATER PUMP ...598
Disassembly Of The Water Pump...598
Inspection Of The Water Pump...599
Assembly Of The Water Pump...599
ASSEMBLY OF THE ENGINE...600
ENGINE FLYWHEEL...603
Removing The Flywheel...603
Installing The Flywheel...603
TECHNICAL DATA...605
540 LOADER SPECIFICATIONS...607
Specifications...607
Engine...607
Loader Hydraulics...608
Electrica...608
Drive System...608
Capacities...608
Tires...608
543 LOADER SPECIFICATIONS...609
Specifications...609
Engine...609
Loader Hydraulics...610
Electrical...610
Drive System...610
Capacities...610
Tires...610
ENGINE SPECIFICATIONS ...611
540 LOADER (KOHLER)...611
Engine (General)...611
Cylinder Bore...611
Crankshaft...611
Camshaft...611
Connecting Rod...611
Piston, Pin & Rings...611
Valves, Guides & Tappets...611
Engine Torque...612
543 LOADER (ISUZU)...613
Cylinder Block...613
Cylinder Head...613
Piston...613
Piston Ring...613
Connecting Rod...613
Crankshaft...613
Camshaft...613
Timing Gear...613
Valve...614
Valve Spring...614
Tappet...614
Oil Pump and Relief Valve...614
Water Pump...614
Fuel Lift Pump...614
Fuel Injector...614
Engine Torque...615
TORQUE SPECIFICATIONS...616
Engine Group – 540 Loader...616
Engine Group – 543 Loader...617
Engine Group – 543 Loader...618
Seat Bar, Fuel Tank & Panel Group...619
Steering Levers, Linkage & Pedal Group...620
Mainframe Group...622
Hydrostatic Group – 540 Loader...623
Hydrostatic Group – 543 Loader...624
Hydraulic Group...625
HYDRAULIC/HYDROSTATIC FLUID SPECIFICATIONS...626
Hydraulic/Hydrostatic Fluid...626
DECIMAL AND MILLIMETER EQUIVALENTS...627
U.S. TO METRIC CONVERSION...627
STANDARD TORQUE SPECIFICATIONS FOR BOLTS...628
ALPHABETICAL INDEX...629
SERVICE MANUAL REVISIONS...635
540–1...635
540–2...637
540–2...639
540–3...641
540–4...643
540–5...645
540–6...647
540-7...649
6566276 (9-96) - 543 Operation & Maintenance Manual...651
SAFETY INSTRUCTIONS...655
SAFETY IS THE OPERATOR& RESPONSIBILITY...655
BEFORE YOU OPERATE THE BOBCAT LOADER...655
SERIAL NUMBER IDENTIFICATION...656
Loader Serial Number...656
Engine Serial Number...656
FOREWORD...657
CONTENTS...657
REFERENCE INFORMATION...657
543 BOBCAT LOADER IDENTIFICATION...658
OPERATING INSTRUCTIONS...659
OPERATING INSTRUCTIONS...661
CONTROLS...662
DASH PANEL...665
THROTTLE CONTROL...665
TO STOP THE ENGINE...665
PARKING BRAKE...665
STEERING LEVERS...666
HYDRAULIC CONTROLS...667
Foot Pedals (Hydraulic)...667
Lift Arm Operation...667
Float Position...667
Tilt (Bucket) Operation...667
Auxiliary Lever Operation...668
BEFORE YOU START THE ENGINE...669
STARTING THE ENGINE...670
Normal Starting Condition...671
Cold Temperature Starting Condition...671
ATTACHMENTS & BUCKETS ...672
Installation Of Attachments...673
Removal Of Attachments...674
OPERATING PROCEDURE...674
Filling The Bucket...675
To Empty The Bucket...675
Digging Into The Ground...676
Making The Ground Level Using Float Position...676
Filling A Hole...676
PARKING THE BOBCAT LOADER...677
TRANSPORTING THE BOBCAT LOADER...677
LIFT ARM SUPPORT DEVICE...678
LIFTING THE OPERATOR GUARD...678
LOWERING THE OPERATOR CAB...679
LIFTING THE BOBCAT LOADER...680
PREVENTIVE MAINTENANCE...681
SERVICE SCHEDULE...683
ENGINE SERVICE...684
ADJUSTING THE DOOR LATCH...684
AIR CLEANER SERVICE...684
FUEL SYSTEM...685
FUEL SYSTEM SERVICE...685
FUEL FILTER...685
REMOVING WATER FROM THE FUEL SYSTEM...686
REMOVING AIR FROM THE FUEL SYSTEM...686
ENGINE LUBRICATION SYSTEM...686
REPLACEMENT OF ENGINE OIL AND FILTER...687
COOLANT LEVEL...688
REMOVING COOLANT FROM THE COOLING SYSTEM...688
ALTERNATOR BELT...688
ELECTRICAL SYSTEM...691
USING AN EXTRA BATTERY (JUMP STARTING)...691
TO INSTALL A NEW BATTERY...692
SPARK ARRESTOR MUFFLER...693
HYDRAULIC / HYDROSTATIC SYSTEM...693
REPLACEMENT OF THE HYDRAULIC FILTER ELEMENT...695
HYDRAULIC / HYDROSTATIC FLUID RESERVOIR...695
Checking And Adding Fluid...695
Removing The Hydraulic / Hydrostatic Fluid...696
FINAL DRIVE TRANSMISSION (CHAINCASE)...696
TIRE MAINTENANCE...696
Tire Rotation...697
wheel Nuts...697
LUBRICATION OF THE BOBCAT LOADER...697
ROLL OVER PROTECTIVE STRUCTURE (ROPS & FOPS)...698
BOB-TACH...698
PIVOT PINS...699
BRAKE PEDAL ADJUSTMENT...699
DELIVERY REPORT...699
TROUBLESHOOTING...701
TROUBLESHOOTING THE HYDRAULIC SYSTEM...703
TROUBLESHOOTING THE HYDROSTATIC SYSTEM...704
TROUBLESHOOTING THE ENGINE...705
MAJOR PARTS...707
MAIN FRAME...708
PANELS, SEAT, SEAT BAR & FUEL SYSTEM...709
BRAKES, CHAINCASE & AXLE...710
HYDRAULIC SYSTEM...711
HYDROSTATIC SYSTEM...712
STEERING CONTROLS...713
OPERATOR CAB ELECTRICAL SYSTEM...714
LIFT ARMS, BOB-TACH & CONTROL PEDALS...715
ENGINE ELECTRICAL SYSTEM...716
ENGINE & ATTACHING PARTS...717
WARNING SIGNS...719
WARNING SIGNS (DECALS)...720
WARNING - 6563484...721
SERVICE SCHEDULE - 6565318...722
WARNING - 6563380...724
WARNING - 6561380...725
IMPORTANT - 6560573...726
GENERAL INFORMATION...727
LOADER SPECIFICATIONS...729
Operation & Performance...729
Pallet Fork Weight Distribution Specifications...729
Engine...729
Loader Hydraulics...730
Electrical...730
Drive System...730
Capactities...730
Tires...730
ADDITIONAL PUBLICATIONS...731
WARRANTY...733
6566282 (11-82) - 540 Loader Operator& Manual...735
SAFETY INSTRUCTIONS...737
SAFETY IS YOUR RESPONSIBILITY...737
BEFORE YOU OPERATE THE BOBCAT LOADER...737
SERIAL NUMBER IDENTIFICATION...738
Loader Serial Number...738
Engine Serial Number...738
FOREWORD...739
CONTENTS...739
REFERENCE INFORMATION...739
540 BOBCAT LOADER IDENTIFICATION...740
OPERATING INSTRUCTIONS...741
OPERATING INSTRUCTIONS...743
CONTROLS...744
DASH PANEL...747
THROTTLE CONTROL...747
CHOKE CONTROL...747
PARKING BRAKE...747
TO STOP THE ENGINE...748
STEERING LEVERS...748
HYDRAULIC CONTROLS...749
Foot Pedals (Hydraulic)...749
Lift Arm Operation...749
Float Position...749
Tilt (Bucket) Operation...749
Auxiliary Lever Operation...750
BEFORE YOU START THE ENGINE...751
STARTING THE ENGINE...752
Normal Starting Condition...753
Cold Temperature Starting Condition...753
ATTACHMENTS & BUCKETS ...754
Installation Of Attachments...755
Removal Of Attachments...755
OPERATING PROCEDURE...756
Filling The Bucket...756
To Empty The Bucket...757
Digging Into The Ground...758
Making The Ground Level Using Float Position...758
Filling A Hole...758
PARKING THE BOBCAT LOADER...759
TRANSPORTING THE BOBCAT LOADER...759
LIFT ARM STOP...760
LIFTING THE OPERATOR CAB...760
LOWERING THE OPERATOR CAB...761
LIFTING THE BOBCAT LOADER...762
PREVENTIVE MAINTENANCE...763
SERVICE SCHEDULE...765
ENGINE SERVICE...766
ADJUSTING THE DOOR LATCH...766
AIR CLEANER SERVICE...766
FUEL SYSTEM...767
FUEL SYSTEM SERVICE...767
FUEL FILTER...767
ENGINE LUBRICATION SYSTEM...768
REPLACEMENT OF THE ENGINE OIL AND FILTER...768
ENGINE COOLING SYSTEM...769
ELECTRICAL SYSTEM...769
USING AND EXTRA BATTERY (JUMP STARTING)...772
TO INSTALL A NEW BATTERY...773
SPARK ARRESTOR MUFFLER...774
HYDRAULIC / HYDROSTATIC SYSTEM...774
REPLACEMENT OF THE HYDRAULIC FILTER ELEMENT...776
HYDRAULIC / HYDROSTATIC FLUID RESERVOIR...776
Checking And Adding Fluid...776
Removing The Hydraulic / Hydrostatic Fluid...777
FINAL DRIVE TRANSMISSION (CHAINCASE)...777
TIRE MAINTENANCE...778
Tire Rotation...778
Wheel Nuts...778
LUBRICATION OF THE BOBCAT LOADER...778
ROLL OVER & FALLING OBJECT PROTECTIVE STRUCTURE (ROPS & FOPS)...779
BOB-TACH...779
PIVOT PINS...780
BRAKE PEDAL ADJUSTMENT...780
DELIVERY REPORT...781
TROUBLESHOOTING...783
TROUBLESHOOTING THE HYDRAULIC SYSTEM...785
TROUBLESHOOTING THE HYDROSTATIC SYSTEM...786
TROUBLESHOOTING THE ENGINE...787
MAJOR PARTS...789
MAIN FRAME...791
PANELS, SEAT, SEAT BAR & FUEL SYSTEM...792
BRAKES, CHAINCASE & AXLE...793
HYDRAULIC SYSTEM...794
HYDROSTATIC SYSTEM...795
STEERING CONTROLS...796
OPERATOR CAB ELECTRICAL SYSTEM...797
LIFT ARMS, BOB-TACH & CONTROL PEDALS...798
ENGINE ELECTRICAL SYSTEM...799
ENGINE & ATTACHING PARTS...800
WARNING SIGNS...801
WARNING SIGNS (DECALS)...802
WARNING - 6563484...803
SERVICE SCHEDULE - 6565318...804
WARNING - 6563380...806
WARNING - 6561380...807
IMPORTANT - 6560573...808
GENERAL INFORMATION...809
540 LOADER SPECIFICATIONS...811
Operation & Performance...811
Engine...811
Loader Hydraulics...812
Electrical...812
Drive System...812
Capacities...812
Tires...812
WARRANTY...813
6566532 (11-94) - 540, 543, 543B Loader Service Manual...815
MAINTENANCE SAFETY...817
ALPHABETICAL INDEX...819
CONTENTS...821
FOREWORD...823
SAFETY INSTRUCTIONS...825
PREVENTIVE MAINTENANCE...827
INTRODUCTION...829
Serial Number Identification...829
Loader Serial Number...829
Engine Serial Number...829
Delivery Report...829
SERVICE SCHEDULE...830
ENGINE SERVICE (General)...831
Air Cleaner Service (540)...831
Air Cleaner Service (543)...832
Fuel System...833
Replacement of the Engine Oil and Filter...834
Engine Cooling System (540)...837
Engine Cooling System (543)...838
ELECTRICAL SYSTEM...839
Electrical System Service...839
Using an Extra Battery (Booster Starting)...839
Installing New Battery...841
SPARK ARRESTOR MUFFLER...842
HYDRAULIC/HYDROSTATIC SYSTEM...843
Replacing The Hydraulic Filter Element...843
Checking & Adding Hydraulic/HydrostaticFluid...844
Removing The Hydraulic/Hydrostatic Fluid...846
FINAL DRIVE TRANSMISSION (CHAINCASE)...846
Checking/Adding Chaincase Fluid...846
TIRE MAINTENANCE...847
Tire Rotation...847
Wheel Nuts...847
LUBRICATION OF THE LOADER...848
Lubrication Of The Loader...848
ROLL OVER PROTECTION STRUCTURE (ROPS & FOPS)...848
Operator Cab...848
TRANSPORTING THE BOBCAT LOADER...849
Loading The Bobcat Loader...849
Fastening The Loader To The Transport Vehicle...849
Lifting The Loader...850
Towing The Loader...850
LIFT ARM SUPPORT DEVICE...851
Installing the Approved Lift Arm Support Device...851
STOPPING THE BOBCAT LOADER...851
HYDRAULIC SYSTEM...853
HYDRAULIC / HYDROSTATIC SCHEMATICS...855
TROUBLESHOOTING...863
HYDRAULIC SYSTEM INFORMATION...864
37° Flare Connections...864
Straight Thread O–Ring Fitting...864
Tubelines And Hoses...864
HYDRAULIC CONTROL VALVE...865
Relief Valve...865
Check The Relief Valve...865
Removal Of The Relief Valve...866
Installation Of The Relief Valve...866
Removal Of The Hydraulic Control Valve...867
Disassembly Of The Hydraulic Control Valve...868
Detent Mechanism...869
Assembling The Hydraulic Control Valve...870
Installing The Hydraulic Control Valve...872
HYDRAULIC CONTROL VALVE (MELROE)...873
Relief Valve...873
Check The Relief Valve...873
Adjusting The Relief Valve...874
Relief Valve Service...874
Installation Of A New Relief Valve...875
Removal Of The Hydraulic Control Valve (Melroe)...875
Disassembly Of The Control Valve...876
Inspection Of The Control Valve...878
Assembly Of The Control Valve...879
Installation Of The Control Valve...881
HYDRAULIC PUMP...881
Checking Output Of Hydraulic Pump...883
Removal Of The Hydraulic Pump...883
Disassembly Of The Hydraulic Pump...884
Inspection Of The Hydraulic Pump...885
Assembling The Hydraulic Pump...885
Installation To The Hydraulic Pump...886
Start–up Procedure For The Hydraulic Pump...886
LIFT CYLINDERS...887
Checking The Lift Cylinders...887
Removing The Lift Cylinder...887
Disassembly Of The Hydraulic Cylinder...888
Assembly Of The Hydraulic Cylinder ...889
Installation Of The Lift Cylinder...891
TILT CYLINDER...892
Checking The Tilt Cylinder...892
Removing The Tilt Cylinder...893
Installation Of The Tilt Cylinder...894
HYDRAULIC/HYDROSTATIC RESERVOIR...894
Removing The Hydraulic/Hydrostatic Reservoir...894
Installation Of The Hydraulic/Hydrostatic Reservoir...895
OIL COOLER...895
Removing The Oil Cooler (540)...895
Installation Of The Oil Cooler (540)...896
Removing The Oil Cooler (543)...896
Installation Of The Oil Cooler (543)...896
10 MICRON FILTER BY–PASS VALVE...896
Remove The By–Pass Valve...896
Installation Of The By–Pass Valve...897
CONTROL PEDAL, LINKAGE AND LOCKS...897
Removing The Control Pedal...897
Installation Of The Control Pedal...897
Adjusting The Control Pedal...898
Pedal Lock Linkage...898
HYDROSTATIC SYSTEM...901
TROUBLESHOOTING...903
HYDROSTATIC SYSTEM INFORMATION...904
High Pressure Relief Replenishing Valves Function...904
STEERING LEVERS...905
Removing Steering Levers...905
Repairing The Steering Levers...906
Installing The Steering Levers...906
STEERING LINKAGE...907
Adjustment Of The Steering Linkage...907
Removing The Steering Linkage...908
Repairing The Pintle Lever...909
Installing The Steering Linkage...909
PORT BLOCK...910
Removing The Port Block...910
Installing The Port Block...910
By–Pass Valve...911
Charge By–Pass Valve...911
HYDROSTATIC MOTOR...911
Removing The Hydrostatic Motor...912
Motors With Keyed–Shaft...912
Motors With Splined–Shaft...912
Disassembly of the Hydrostatic Motor...913
Hydrostatic Motor Inspection...916
Assembly Of The Hydrostatic Motor...917
Installing The Hydrostatic Motor...923
Keyed–Shaft Motors...923
Splined–Shaft Motors...923
Start–Up Procedure For The Hydrostatic Motor...923
HYDROSTATIC PUMP...924
Checking The High Pressure Relief Replenishing Valves...924
Checking The Charge Pressure...925
Removing The Hydrostatic Pump...925
Disassembly Of The Hydrostatic Pump...927
Inspection Of The Hydrostatic Pumps...930
Assembling The Hydrostatic Pumps...931
Installing The Hydrostatic Pumps...934
Start–Up Procedure For The Hydrostatic Pump...936
TOWING THE BOBCAT LOADER...938
Installation Of The Tool For The High Pressure Relief Valves...938
DRIVE SYSTEM...939
PARKING BRAKE...941
Parking Brake Adjustment...941
Parking Brake Removal...942
Parking Brake Inspection...945
Parking Brake Installation...945
FINAL DRIVE CHAINS...949
Remove The Drive Chain(s)...949
Installing The Drive Chain(s)...950
AXLES AND BEARINGS...951
Removing Axle(s) and Bearings...951
Assembly Of The Axle...952
Axle And Bearing Installation...953
CHAINCASE FLUID...954
Replacing Chaincase Fluid...954
MAIN FRAME...955
OPERATOR CAB...957
Raising The Operator Cab...957
Lowering The Operator Cab...958
Jumper Start Switch...959
Removing The Operator Cab...960
Removing The Gas Cylinder...961
Installing The Operator Cab...963
LIFT ARMS...963
Removing The Lift Arms...963
Installing The Lift Arms...964
BOB–TACH...965
Removing The Bob–Tach...965
Disassembly Of The Bob–Tach...966
Assembly Of The Bob–Tach...967
Installing The Bob–Tach...968
REAR DOOR...969
Removing The Rear Door...969
Installing The Rear Door...970
Adjusting The Rear Door Latch...970
FUEL TANK...970
Removing The Fuel Tank...970
Installing The Fuel Tank...971
SEAT BAR...971
Removal And Installation...971
SEAT BAR SYSTEM...972
Seat Bar Inspection...972
Seat Bar Maintenance...972
PEDAL LOCK LINKAGE...973
Adjustment...973
REAR WINDOW...973
Installing Rear Window...973
ELECTRICAL SYSTEM...975
ELECTRICAL SCHEMATICS...978
TROUBLESHOOTING...991
ELECTRICAL SYSTEM INFORMATION...992
Electrical Circuitry...992
Safety Procedures For The Batteries...992
Precautions For The Alternator...993
BATTERY...993
Removing The Battery...993
Installing The Battery...994
WIRE HARNESS FOR THE OPERATOR CAB...994
Removing The Wire Harness For The Operator Cab...994
Installing The Wire Harness For The Operator Cab...995
WIRE HARNESS FOR THE ENGINE...995
ALTERNATOR SYSTEM (540)...996
Checking The Alternator...996
Replacing The Stator...998
ALTERNATOR SYSTEM (543)...998
Adjusting The Alternator Belt...998
Alternator Output Test (New Style)...1000
Rectifier (Diode) Test (New Style)...1000
Alternator Regulator Test (New Style)...1001
Checking The Alternator (Early Models)...1003
Parts Identification (New Style)...1005
Disassembly And Assembly (New Style)...1005
Stator Continuity Test...1005
Stator Ground Test...1005
Rotor Continuity Test...1006
Rotor Ground Test...1006
Rectifier Continuity (Diode) Test...1006
Removing The Alternator (Early Models)...1009
Repairing The Alternator (Early Models)...1009
Installing The Alternator (Early Models)...1010
STARTER (540)...1011
Checking The Starter...1011
Removing The Starter...1011
Repairing The Starter...1011
STARTER (543)...1012
Checking The Starter...1012
Removing The Starter...1012
Repairing The Starter...1013
Installing The Starter...1016
ENGINE SERVICE...1017
ENGINE SERVICE (540) KOHLER...1019
TROUBLESHOOTING...1021
CHECKS AND ADJUSTMENTS FOR THE ENGINE...1023
Engine Oil Pressure...1023
Valve Clearance...1023
Compression...1024
Throttle And Governor Linkage...1024
Ignition System...1025
Spark Plugs...1025
CARBURETOR & FUELSHUT–OFF SOLENOID...1026
Removing The Carburetor...1026
Disassembly And Inspection Of The Carburetor ...1026
Assembly Of The Carburetor...1026
Fuel Shut–off Solenoid...1027
Non–Metallic Bodied Fuel Pumps...1027
GOVERNOR...1027
Removing The Governor...1027
Installing The Governor...1027
ENGINE AND HEAT SHIELD...1028
Removing The Engine...1028
Installing The Engine...1029
Removing The Heat Shield...1030
Installing The Heat Shield...1030
RECONDITIONING THEVALVES...1031
Repair Of The Valves And Guides...1031
TIMING COVER, TIMING GEARS AND CAMSHAFT...1032
Timing Cover...1032
Timing Gears...1032
Camshaft And Tappets...1032
OIL PUMP AND RELIEF VALVE...1032
Relief Valve...1032
Oil Pump...1033
Adjusting Gear Clearance For The Oil Pump...1033
PISTONS, RODS AND CRANKSHAFT...1034
Removing Pistons, Rods And Crankshaft...1034
Crankshaft Bearing And End Play...1034
CYLINDER HEAD...1035
INTAKE AND EXHAUST MANIFOLD...1036
FLYWHEEL...1036
ENGINE SERVICE (543 & 543B) KUBOTA...1037
TROUBLESHOOTING...1039
FUEL SYSTEM...1041
Replacing The Fuel Filter...1041
To Remove The Air From The Fuel System...1041
Fuel Injection Pump...1042
Checking The Injection Pump...1042
Installation...1045
Timing The Fuel Injection Pump...1045
Fuel Injector Nozzles...1046
Removal...1046
Checking The Fuel Injector Nozzles...1047
Installation...1049
Checking Glow Plugs...1049
ENGINE AND ATTACHING PARTS...1049
Removing The Engine...1049
Installing The Engine...1053
Engine Muffler...1054
Engine Radiator Removal...1055
Engine Radiator Installation...1057
Engine Blower Housing Removal...1058
Engine Blower Housing Installation...1059
Engine Blower Fan And Flywheel Removal...1059
Engine Blower Fan And Flywheel Installation...1059
CYLINDER HEAD...1060
Removing The Cylinder Head...1060
Disassembly Of The Cylinder Head...1061
Servicing The Cylinder Head...1061
Assembly Of The Cylinder Head...1063
Installing The Cylinder Head...1063
Adjusting the Compression Release Mechanism...1064
REPAIRING THE ENGINE...1065
Removing The Gear Case...1065
Removing The Timing Gear, Camshaft & Oil Pump...1066
Removing Pistons And Crankshaft...1067
Servicing The Timing Gear And The Camshaft...1068
Servicing The Connecting Rods And Pistons...1069
Servicing The Crankshaft...1070
Servicing The Cylinder Liners...1071
Servicing The Oil Pump...1072
Servicing The Water Pump...1073
ASSEMBLY OF THE ENGINE...1073
Installing The Crankshaft...1073
Installing The Pistons...1073
Installing The Camshaft And Timing Gears...1074
Installing The Gear Case Cover...1075
TECHNICAL DATA...1077
(540) KOHLER LOADER SPECIFICATIONS...1079
Operation & Performance...1079
Engine...1079
Loader Hydraulics...1080
Electrical...1080
Drive System...1080
Capacities...1080
Tires...1080
ENGINE SPECIFICATIONS – 540 LOADER (KOHLER)...1081
Engine (General)...1081
Cylinder Bore...1081
Crankshaft...1081
Camshaft...1081
Connecting Rod...1081
Piston, Pin And Rings...1081
Valves, Guides & Tappets...1082
Engine Torque...1082
543 & 543B KUBOTA LOADER SPECIFICATIONS...1083
Operation & Performance...1083
Engine...1083
Loader Hydraulics...1084
Electrical...1084
Drive System...1084
Capacities...1084
Tires ...1084
ENGINE SPECIFICATIONS - 543-543B LOADER...1085
Fuel Injector Nozzles...1085
Fuel Injection Pump...1085
Cylinder Head...1085
Valves...1085
Valve Springs...1085
Rocker Arms...1085
Camshaft...1085
Cylinders...1086
Piston Rings...1086
Piston...1086
Crankshaft...1086
Oil Pump...1086
Thermostat...1086
Engine Torque...1087
Grinding Specifications for the Crankshaft...1088
TORQUE SPECIFICATIONS...1089
Engine Group – 540 Loader...1089
Engine Group – 543 Loader...1090
Fuel System Group...1092
Steering Levers & Panel Group...1093
Bob–Tach & Lift Arm Group...1094
Seat Bar & Pedal Group...1095
Brake, Chaincase & Axle Group...1096
Hydraulic Group...1097
Operator Cab, Main Frame & Rear Door Group...1098
Hydrostatic Group–540 Loader...1099
Hydrostatic Group–543 Loader...1100
HYDRAULIC/HYDROSTATIC FLUID SPECIFICATIONS...1101
Hydraulic/Hydrostatic Fluid...1101
DECIMAL AND MILLIMETER EQUIVALENTS...1102
U.S. TO METRIC CONVERSION...1102
STANDARD TORQUE SPECIFICATIONS FOR BOLTS...1103
SERVICE MANUAL REVISIONS...1105
540–3...1105
540–4...1107
540–5...1109
540–6...1111
540–7...1113
540–8...1115
540–9...1117
540–11...1119
540–13...1121
540–14...1123
540–15...1125
540–16...1127
540–17...1129
540–1 Thru 540–17...1131
540–18...1133
540–19...1135
6566532 (6-12) - 540, 543, 543B Loader Service Manual...1137
MAINTENANCE SAFETY...1139
ALPHABETICAL INDEX...1141
CONTENTS...1143
FOREWORD...1145
SAFETY INSTRUCTIONS...1147
PREVENTIVE MAINTENANCE...1149
INTRODUCTION...1151
Serial Number Identification...1151
Loader Serial Number...1151
Engine Serial Number...1151
Delivery Report...1151
SERVICE SCHEDULE...1152
ENGINE SERVICE (General)...1153
Air Cleaner Service (540)...1153
Air Cleaner Service (543)...1154
Fuel System...1155
Replacement of the Engine Oil and Filter...1156
Engine Cooling System (540)...1159
Engine Cooling System (543)...1160
ELECTRICAL SYSTEM...1161
Electrical System Service...1161
Using an Extra Battery (Booster Starting)...1161
Installing New Battery...1163
SPARK ARRESTOR MUFFLER...1164
HYDRAULIC/HYDROSTATIC SYSTEM...1165
Replacing The Hydraulic Filter Element...1165
Checking & Adding Hydraulic/HydrostaticFluid...1166
Removing The Hydraulic/Hydrostatic Fluid...1168
FINAL DRIVE TRANSMISSION (CHAINCASE)...1168
Checking/Adding Chaincase Fluid...1168
TIRE MAINTENANCE...1169
Tire Rotation...1169
Wheel Nuts...1169
LUBRICATION OF THE LOADER...1170
Lubrication Of The Loader...1170
ROLL OVER PROTECTION STRUCTURE (ROPS & FOPS)...1170
Operator Cab...1170
TRANSPORTING THE BOBCAT LOADER...1171
Loading The Bobcat Loader...1171
Fastening The Loader To The Transport Vehicle...1171
Lifting The Loader...1172
Towing The Loader...1172
LIFT ARM SUPPORT DEVICE...1173
Installing the Approved Lift Arm Support Device...1173
STOPPING THE BOBCAT LOADER...1173
HYDRAULIC SYSTEM...1175
HYDRAULIC / HYDROSTATIC SCHEMATICS...1177
TROUBLESHOOTING...1185
HYDRAULIC SYSTEM INFORMATION...1186
37° Flare Connections...1186
Straight Thread O–Ring Fitting...1186
Tubelines And Hoses...1186
HYDRAULIC CONTROL VALVE...1187
Relief Valve...1187
Check The Relief Valve...1187
Removal Of The Relief Valve...1188
Installation Of The Relief Valve...1188
Removal Of The Hydraulic Control Valve...1189
Disassembly Of The Hydraulic Control Valve...1190
Detent Mechanism...1191
Assembling The Hydraulic Control Valve...1192
Installing The Hydraulic Control Valve...1194
HYDRAULIC CONTROL VALVE (MELROE)...1195
Relief Valve...1195
Check The Relief Valve...1195
Adjusting The Relief Valve...1196
Relief Valve Service...1196
Installation Of A New Relief Valve...1197
Removal Of The Hydraulic Control Valve (Melroe)...1197
Disassembly Of The Control Valve...1198
Inspection Of The Control Valve...1200
Assembly Of The Control Valve...1201
Installation Of The Control Valve...1203
HYDRAULIC PUMP...1203
Checking Output Of Hydraulic Pump...1205
Removal Of The Hydraulic Pump...1205
Disassembly Of The Hydraulic Pump...1206
Inspection Of The Hydraulic Pump...1207
Assembling The Hydraulic Pump...1207
Installation To The Hydraulic Pump...1208
Start–up Procedure For The Hydraulic Pump...1208
LIFT CYLINDERS...1209
Checking The Lift Cylinders...1209
Removing The Lift Cylinder...1209
Disassembly Of The Hydraulic Cylinder...1210
Assembly Of The Hydraulic Cylinder ...1211
Installation Of The Lift Cylinder...1213
TILT CYLINDER...1214
Checking The Tilt Cylinder...1214
Removing The Tilt Cylinder...1215
Installation Of The Tilt Cylinder...1216
HYDRAULIC/HYDROSTATIC RESERVOIR...1216
Removing The Hydraulic/Hydrostatic Reservoir...1216
Installation Of The Hydraulic/Hydrostatic Reservoir...1217
OIL COOLER...1217
Removing The Oil Cooler (540)...1217
Installation Of The Oil Cooler (540)...1218
Removing The Oil Cooler (543)...1218
Installation Of The Oil Cooler (543)...1218
10 MICRON FILTER BY–PASS VALVE...1218
Remove The By–Pass Valve...1218
Installation Of The By–Pass Valve...1219
CONTROL PEDAL, LINKAGE AND LOCKS...1219
Removing The Control Pedal...1219
Installation Of The Control Pedal...1219
Adjusting The Control Pedal...1220
Pedal Lock Linkage...1220
HYDROSTATIC SYSTEM...1223
TROUBLESHOOTING...1225
HYDROSTATIC SYSTEM INFORMATION...1226
High Pressure Relief Replenishing Valves Function...1226
STEERING LEVERS...1227
Removing Steering Levers...1227
Repairing The Steering Levers...1228
Installing The Steering Levers...1228
STEERING LINKAGE...1229
Adjustment Of The Steering Linkage...1229
Removing The Steering Linkage...1230
Repairing The Pintle Lever...1231
Installing The Steering Linkage...1231
PORT BLOCK...1232
Removing The Port Block...1232
Installing The Port Block...1232
By–Pass Valve...1233
Charge By–Pass Valve...1233
HYDROSTATIC MOTOR...1233
Removing The Hydrostatic Motor...1234
Motors With Keyed–Shaft...1234
Motors With Splined–Shaft...1234
Disassembly of the Hydrostatic Motor...1235
Hydrostatic Motor Inspection...1238
Assembly Of The Hydrostatic Motor...1239
Installing The Hydrostatic Motor...1245
Keyed–Shaft Motors...1245
Splined–Shaft Motors...1245
Start–Up Procedure For The Hydrostatic Motor...1245
HYDROSTATIC PUMP...1246
Checking The High Pressure Relief Replenishing Valves...1246
Checking The Charge Pressure...1247
Removing The Hydrostatic Pump...1247
Disassembly Of The Hydrostatic Pump...1249
Inspection Of The Hydrostatic Pumps...1252
Assembling The Hydrostatic Pumps...1253
Installing The Hydrostatic Pumps...1256
Start–Up Procedure For The Hydrostatic Pump...1258
TOWING THE BOBCAT LOADER...1260
Installation Of The Tool For The High Pressure Relief Valves...1260
DRIVE SYSTEM...1261
PARKING BRAKE...1263
Parking Brake Adjustment...1263
Parking Brake Removal...1264
Parking Brake Inspection...1267
Parking Brake Installation...1267
FINAL DRIVE CHAINS...1271
Remove The Drive Chain(s)...1271
Installing The Drive Chain(s)...1272
AXLES AND BEARINGS...1273
Removing Axle(s) and Bearings...1273
Assembly Of The Axle...1274
Axle And Bearing Installation...1275
CHAINCASE FLUID...1276
Replacing Chaincase Fluid...1276
MAIN FRAME...1277
OPERATOR CAB...1279
Raising The Operator Cab...1279
Lowering The Operator Cab...1280
Jumper Start Switch...1281
Removing The Operator Cab...1282
Removing The Gas Cylinder...1283
Installing The Operator Cab...1285
LIFT ARMS...1285
Removing The Lift Arms...1285
Installing The Lift Arms...1286
BOB–TACH...1287
Removing The Bob–Tach...1287
Disassembly Of The Bob–Tach...1288
Assembly Of The Bob–Tach...1289
Installing The Bob–Tach...1290
REAR DOOR...1291
Removing The Rear Door...1291
Installing The Rear Door...1292
Adjusting The Rear Door Latch...1292
FUEL TANK...1292
Removing The Fuel Tank...1292
Installing The Fuel Tank...1293
SEAT BAR...1293
Removal And Installation...1293
SEAT BAR SYSTEM...1294
Seat Bar Inspection...1294
Seat Bar Maintenance...1294
PEDAL LOCK LINKAGE...1295
Adjustment...1295
REAR WINDOW...1295
Installing Rear Window...1295
ELECTRICAL SYSTEM...1297
ELECTRICAL SCHEMATICS...1300
TROUBLESHOOTING...1313
ELECTRICAL SYSTEM INFORMATION...1314
Electrical Circuitry...1314
Safety Procedures For The Batteries...1314
Precautions For The Alternator...1315
BATTERY...1315
Removing The Battery...1315
Installing The Battery...1316
WIRE HARNESS FOR THE OPERATOR CAB...1316
Removing The Wire Harness For The Operator Cab...1316
Installing The Wire Harness For The Operator Cab...1317
WIRE HARNESS FOR THE ENGINE...1317
ALTERNATOR SYSTEM (540)...1318
Checking The Alternator...1318
Replacing The Stator...1320
ALTERNATOR SYSTEM (543)...1320
Adjusting The Alternator Belt...1320
Alternator Output Test (New Style)...1322
Rectifier (Diode) Test (New Style)...1322
Alternator Regulator Test (New Style)...1323
Checking The Alternator (Early Models)...1325
Parts Identification (New Style)...1327
Disassembly And Assembly (New Style)...1327
Stator Continuity Test...1327
Stator Ground Test...1327
Rotor Continuity Test...1328
Rotor Ground Test...1328
Rectifier Continuity (Diode) Test...1328
Removing The Alternator (Early Models)...1331
Repairing The Alternator (Early Models)...1331
Installing The Alternator (Early Models)...1332
STARTER (540)...1333
Checking The Starter...1333
Removing The Starter...1333
Repairing The Starter...1333
STARTER (543)...1334
Checking The Starter...1334
Removing The Starter...1334
Repairing The Starter...1335
Installing The Starter...1338
ENGINE SERVICE...1339
ENGINE SERVICE (540) KOHLER...1341
TROUBLESHOOTING...1343
CHECKS AND ADJUSTMENTS FOR THE ENGINE...1345
Engine Oil Pressure...1345
Valve Clearance...1345
Compression...1346
Throttle And Governor Linkage...1346
Ignition System...1347
Spark Plugs...1347
CARBURETOR & FUELSHUT–OFF SOLENOID...1348
Removing The Carburetor...1348
Disassembly And Inspection Of The Carburetor ...1348
Assembly Of The Carburetor...1348
Fuel Shut–off Solenoid...1349
Non–Metallic Bodied Fuel Pumps...1349
GOVERNOR...1349
Removing The Governor...1349
Installing The Governor...1349
ENGINE AND HEAT SHIELD...1350
Removing The Engine...1350
Installing The Engine...1351
Removing The Heat Shield...1352
Installing The Heat Shield...1352
RECONDITIONING THEVALVES...1353
Repair Of The Valves And Guides...1353
TIMING COVER, TIMING GEARS AND CAMSHAFT...1354
Timing Cover...1354
Timing Gears...1354
Camshaft And Tappets...1354
OIL PUMP AND RELIEF VALVE...1354
Relief Valve...1354
Oil Pump...1355
Adjusting Gear Clearance For The Oil Pump...1355
PISTONS, RODS AND CRANKSHAFT...1356
Removing Pistons, Rods And Crankshaft...1356
Crankshaft Bearing And End Play...1356
CYLINDER HEAD...1357
INTAKE AND EXHAUST MANIFOLD...1358
FLYWHEEL...1358
ENGINE SERVICE (543 & 543B) KUBOTA...1359
TROUBLESHOOTING...1361
FUEL SYSTEM...1363
Replacing The Fuel Filter...1363
To Remove The Air From The Fuel System...1363
Fuel Injection Pump...1364
Checking The Injection Pump...1364
Installation...1367
Timing The Fuel Injection Pump...1367
Fuel Injector Nozzles...1368
Removal...1368
Checking The Fuel Injector Nozzles...1369
Installation...1371
Checking Glow Plugs...1371
ENGINE AND ATTACHING PARTS...1371
Removing The Engine...1371
Installing The Engine...1375
Engine Muffler...1376
Engine Radiator Removal...1377
Engine Radiator Installation...1379
Engine Blower Housing Removal...1380
Engine Blower Housing Installation...1381
Engine Blower Fan And Flywheel Removal...1381
Engine Blower Fan And Flywheel Installation...1381
CYLINDER HEAD...1382
Removing The Cylinder Head...1382
Disassembly Of The Cylinder Head...1383
Servicing The Cylinder Head...1383
Assembly Of The Cylinder Head...1385
Installing The Cylinder Head...1385
Adjusting the Compression Release Mechanism...1386
REPAIRING THE ENGINE...1387
Removing The Gear Case...1387
Removing The Timing Gear, Camshaft & Oil Pump...1388
Removing Pistons And Crankshaft...1389
Servicing The Timing Gear And The Camshaft...1390
Servicing The Connecting Rods And Pistons...1391
Servicing The Crankshaft...1392
Servicing The Cylinder Liners...1393
Servicing The Oil Pump...1394
Servicing The Water Pump...1395
ASSEMBLY OF THE ENGINE...1395
Installing The Crankshaft...1395
Installing The Pistons...1395
Installing The Camshaft And Timing Gears...1396
Installing The Gear Case Cover...1397
TECHNICAL DATA...1399
(540) KOHLER LOADER SPECIFICATIONS...1401
Operation & Performance...1401
Engine...1401
Loader Hydraulics...1402
Electrical...1402
Drive System...1402
Capacities...1402
Tires...1402
ENGINE SPECIFICATIONS – 540 LOADER (KOHLER)...1403
Engine (General)...1403
Cylinder Bore...1403
Crankshaft...1403
Camshaft...1403
Connecting Rod...1403
Piston, Pin And Rings...1403
Valves, Guides & Tappets...1404
Engine Torque...1404
543 & 543B KUBOTA LOADER SPECIFICATIONS...1405
Operation & Performance...1405
Engine...1405
Loader Hydraulics...1406
Electrical...1406
Drive System...1406
Capacities...1406
Tires ...1406
ENGINE SPECIFICATIONS - 543-543B LOADER...1407
Fuel Injector Nozzles...1407
Fuel Injection Pump...1407
Cylinder Head...1407
Valves...1407
Valve Springs...1407
Rocker Arms...1407
Camshaft...1407
Cylinders...1408
Piston Rings...1408
Piston...1408
Crankshaft...1408
Oil Pump...1408
Thermostat...1408
Engine Torque...1409
Grinding Specifications for the Crankshaft...1410
TORQUE SPECIFICATIONS...1411
Engine Group – 540 Loader...1411
Engine Group – 543 Loader...1412
Fuel System Group...1414
Steering Levers & Panel Group...1415
Bob–Tach & Lift Arm Group...1416
Seat Bar & Pedal Group...1417
Brake, Chaincase & Axle Group...1418
Hydraulic Group...1419
Operator Cab, Main Frame & Rear Door Group...1420
Hydrostatic Group–540 Loader...1421
Hydrostatic Group–543 Loader...1422
HYDRAULIC/HYDROSTATIC FLUID SPECIFICATIONS...1423
Hydraulic/Hydrostatic Fluid...1423
DECIMAL AND MILLIMETER EQUIVALENTS...1424
U.S. TO METRIC CONVERSION...1424
STANDARD TORQUE SPECIFICATIONS FOR BOLTS...1425
SERVICE MANUAL REVISIONS...1427
540–3...1427
540–4...1429
540–5...1431
540–6...1433
540–7...1435
540–8...1437
540–9...1439
540–11...1441
540–13...1443
540–14...1445
540–15...1447
540–16...1449
540–17...1451
540–1 Thru 540–17...1453
540–18...1455
540–19...1457
540-20...1459
6566655 (5-84) - 540 Loader Operator& Manual...1461
WARNINGS...1462
FOREWORD...1463
CONTENTS...1463
REFERENCE INFORMATION...1463
SAFETY INSTRUCTIONS...1465
Safety Is Your Responsibility...1465
Before You Operate The Bobcat Loader...1465
Safe Operation Needs A Qualified Operator...1466
FIRE PREVENTION...1466
SERIAL NUMBER LOCATIONS...1467
Loader Serial Number...1467
Engine Serial Number...1467
DELIVERY REPORT...1467
BOBCAT LOADER IDENTIFICATION...1468
OPERATING INSTRUCTIONS...1469
OPERATING INSTRUCTIONS...1471
MACHINE SIGNS (DECALS)...1472
CONTROLS...1472
DASH PANEL...1475
THROTTLE CONTROL...1475
CHOKE CONTROL...1475
PARKING BRAKE...1475
STOPPING THE ENGINE...1476
STEERING LEVERS...1476
HYDRAULIC CONTROLS...1477
Foot Pedals (Hydraulic)...1477
Lift Arm Operation...1477
Float Position...1477
Tilt (Bucket) Operation...1477
Auxiliary Lever Operation...1478
BEFORE YOU START THE ENGINE...1479
STARTING THE ENGINE...1480
Normal Starting Condition...1481
Cold Temperature Starting Condition...1481
ATTACHMENTS & BUCKETS...1482
Installation of Attachments...1483
Removal Of Attachments...1483
OPERATING PROCEDURE...1484
Filling The Bucket...1484
To Empty The Bucket...1485
Digging Into The Ground...1486
MakingThe Ground Level Using Float Position...1486
Filling A Hole...1486
LIFTING THE BOBCAT LOADER...1487
PARKING THE BOBCAT LOADER...1487
TRANSPORTING THE BOBCAT LOADER...1487
LIFT ARM STOP...1488
LIFTING THE OPERATOR CAB...1488
LOWERING THE OPERATOR CAB...1489
LIFTING THE BOBCAT LOADER...1490
PREVENTIVE MAINTENANCE...1491
WARNINGS...1492
SERVICE SCHEDULE...1493
ENGINE SERVICE...1494
ADJUSTING THE DOOR LATCH...1494
AIR CLEANER SERVICE...1494
FUEL SYSTEM...1495
FUEL SYSTEM SERVICE...1495
FUEL FILTER...1495
ENGINE LIBRICATION SYSTEM...1496
REPLACEMENT OF THE ENGINE OIL & FILTER...1496
ENGINE COOLING SYSTEM...1497
ELECTRICAL SYSTEM...1497
USING AN EXTRA BATTERY (JUMP STARTING)...1500
INSTALLING A NEW BATTERY...1501
SPARK ARRESTOR MUFFLER...1502
HYDRAULIC / HYDROSTATIC SYSTEM...1502
REPLACEMENT OF THE HYDRAULIC FILTER ELEMENT...1504
HYDRAULIC / HYDROSTATIC FLUID RESERVOIR...1504
Checking And Adding Fluid...1504
Hydraulic / Hydrosttatic Fluid Reservoir Breather Cap...1505
Removing The Hydraulic / Hydrostatic Fluid...1505
FINAL DRIVE TRANSMISSION (CHAINCASE)...1505
Checking The Chaincase Fluid Level...1505
TIRE MAINTENANCE...1506
Tire Rotation...1506
Wheel Nuts...1506
LUBRICATION OF THE BOBCAT LOADER...1506
OPERATOR CAB (ROPS & FOPS)...1507
BOB-TACH...1507
PIVOT PINS...1508
BRAKE PEDAL ADJUSTMENT...1508
TROUBLESHOOTING...1509
TROUBLESHOOTING THE HYDRAULIC SYSTEM...1511
TROUBLESHOOTING THE HYDROSTATIC SYSTEM...1512
TROUBLESHOOTING THE ENGINE...1513
MAJOR PARTS...1515
MAIN FRAME...1517
PANELS, SEAT, SEAT BAR & FUEL SYSTEM...1518
BRAKE, CHAINCASE & AXLE...1519
HYDRAULIC SYSTEM...1520
HYDROSTATIC SYSTEM...1521
STEERING CONTROLS...1522
OPERATOR CAB ELECTRICAL SYSTEM...1523
LIFT ARMS, BOB-TACH & CONTROL PEDALS...1524
ENGINE ELECTRICAL SYSTEM...1525
ENGINE & ATTACHING PARTS...1526
WARNING SIGNS...1527
WARNING - 6565980...1529
SERVICE SCHEDULE - 6565318...1530
WARNING - 6563380...1532
WARNING - 6561380...1533
IMPORTANT - 6560573...1534
GENERAL INFORMATION...1535
540 LOADER SPECIFICATIONS...1537
Operation & Performance...1537
Engine...1537
Loader Hydraulics...1538
Electrical...1538
Drive System...1538
Capacities...1538
Tires...1538
ADDITIONAL PUBLICATIONS...1539
WARRANTY...1541
6566656 (9-83) - 543 Loader Operator& Manual...1543
WARNINGS...1545
FOREWORD...1547
CONTENTS...1547
REFERENCE INFORMATION...1547
SAFETY INSTRUCTIONS...1549
Safety Is The Operator& Responsibility...1549
Before You Operate The Bobcat Loader...1549
Safe Operation Needs A Qualified Operator...1550
FIRE PREVENTION...1550
SERIAL NUMBER IDENTIFICATION...1551
Loader Serial Number...1551
Engine Serial Number Location...1551
DELIVERY REPORT...1551
OPERATING INSTRUCTIONS...1553
OPERATING INSTRUCTIONS...1555
MACHINE SIGNS (DECALS)...1556
CONTROLS...1556
DASH PANEL...1559
THROTTLE CONTROL...1559
STOPPING THE ENGINE...1559
PARKING BRAKE...1559
STEERING LEVERS...1560
HYDRAULIC CONTROLS...1561
Foot Pedals (Hydraulic)...1561
Lift Arm Operation...1561
Float Position...1561
Tilt (Bucket) Operation...1561
Auxiliary Lever Operation...1562
BEFORE YOU START THE ENGINE...1563
STARTING THE ENGINE...1564
Normal Starting Condition...1565
Cold Temperature Starting Condition...1565
ATTACHMENTS & BUCKETS...1566
Installation Of Attachments...1567
Removal Of Attachments...1568
OPERATING PROCEDURE...1568
Filling The Bucket...1569
To Empty The Bucket...1569
Digging Into The Ground...1570
Making The Ground Level Using Float Position...1570
Fill A Hole...1570
LIFTING THE BOBCAT LOADER...1571
PARKING THE BOBCAT LOADER...1571
TRANSPORTING THE BOBCAT LOADER...1571
LIFT ARM STOP...1572
LIFTING THE OPERATOR CAB...1572
LOWERING THE OPERATOR CAB...1573
LIFTING THE BOBCAT LOADER...1574
PREVENTIVE MAINTENANCE...1575
WARNINGS...1576
SERVICE SCHEDULE...1577
ENGINE SERVICE...1578
ADJUSTING THE DOOR LATCH...1578
AIR CLEANER SERVICE...1578
FUEL SYSTEM...1579
FUEL SYSTEM SERVICE...1579
FUEL FILTER...1579
REMOVING WATER FROM THE FUEL SYSTEM...1580
REMOVING AIR FROM THE FUEL SYSTEM...1580
ENGINE LUBRICATION SYSTEM...1580
REPLACEMENT OF ENGINE OIL AND FILTER...1581
COOLANT LEVEL...1582
REMOVING THE COOLANT FROM THE COOLING SYSTEM...1582
ALTERNATOR BELT...1582
ELECTRICAL SYSTEM...1585
USING AN EXTRA BATTERY (JUMP STARTING)...1585
INSTALLING A NEW BATTERY...1586
SPARK ARRESTOR MUFFLER...1587
HYDRAULIC / HYDROSTATIC SYSTEM...1587
REPLACEMENT OF THE HYDRAULIC FILTER ELEMENT...1589
HYDRAULIC / HYDROSTATIC FLUID RESERVOIR...1589
Checking And Adding Fluid...1589
Hydraulic / Hydrostatic Fluid Reservoir Breather Cap...1590
Removing The Hydraulic / Hydrostaic Fluid...1590
FINAL DRIVE TRANSMISSION (CHAINCASE)...1590
TIRE MAINTENANCE...1590
Tire Rotation...1591
Wheel Nuts...1591
LUBRICATION OF THE BOBCAT LOADER...1591
ROLL OVER PROTECTIVE STRUCTURE (ROPS & FOPS)...1592
BOB-TACH...1592
PIVOT PINS...1593
BRAKE PEDAL ADJUSTMENT...1593
TROUBLESHOOTING...1595
TROUBLESHOOTING THE HYDRAULIC SYSTEM...1597
TROUBLESHOOTING THE ENGINE...1599
MAJOR PARTS...1601
MAIN FRAME...1603
PANELS, SEAT, SEAT BAR & FUEL SYSTEM...1604
BRAKES, CHAINCASE & AXLE...1605
HYDRAULIC SYSTEM...1606
HYDROSTATIC SYSTEM...1607
STEERING CONTROLS...1608
OPERATOR CAB ELECTRICAL SYSTEM...1609
LIFT ARMS, BOB-TACH & CONTROL PEDALS...1610
ENGINE ELECTRICAL SYSTEM...1611
ENGINE & ATTACHING PARTS...1612
WARNING SIGNS...1615
WARNING - 6565980...1617
SERVICE SCHEDULE - 6565318...1618
WARNING - 6563380...1620
WARNING - 6561380...1621
IMPORTANT - 6560573...1622
GENERAL INFORMATION...1623
LOADER SPECIFICATIONS...1625
Operation & Performance...1625
Engine...1625
Loader Hydraulics...1626
Electrical...1626
Drive System...1626
Capacitities...1626
Tires...1626
ADDITIONAL PUBLICATIONS...1627
WARRANTY...1629
6566858 (8-84) - 540 Loader Operator& Manual...1631
OPERATOR SAFETY WARNINGS...1632
FOREWORD...1633
CONTENTS...1633
REFERENCE INFORMATION...1633
SAFETY INSTRUCTIONS...1635
Safety Is Your Responsibility...1635
Before Operating The Bobcat Loader...1635
Safe Operation Needs A Qualified Operator...1636
FIRE PREVENTION...1636
SERIAL NUMBER LOCATIONS...1637
Loader Serial Number...1637
Engine Serial Number...1637
DELIVERY REPORT...1637
BOBCAT LOADER IDENTIFICATION...1638
OPERATING INSTRUCTIONS...1639
OPERATING INSTRUCTIONS...1641
GETTING ON AND OFF THE LOADER...1641
SAFETY SIGNS (DECALS)...1642
LEARNING THE CONTROLS...1642
DASH PANEL...1645
THROTTLE CONTROL...1645
CHOKE CONTROL...1645
PARKING BRAKE...1645
STEERING LEVERS...1646
HYDRAULIC CONTROLS...1647
Left Foot Pedal / Lift Arm Operation...1647
Left Foot Pedal / Float Postion For The Lift Arms...1647
Right Foot Pedal / Tilt (Bucket) Operation...1647
Right Lever / Auxiliary Operation...1648
BEFORE STARTING THE ENGINE...1648
STARTING THE ENGINE...1650
Cold Temperature Starting...1651
ATTACHMENTS AND BUCKETS...1652
Bucket Or Fork Installation...1653
Bucket Or Fork Removal...1653
OPERATING PROCEDURES...1654
Filling The Bucket...1655
Emptying The Bucket...1655
Digging Into The Ground...1656
Leveling The Ground (Using Float Position For The Lift Arms)...1656
Backfilling...1657
PARKING THE LOADER...1657
TOWING THE LOADER...1657
TRANSPORTING THE LOADER...1657
LIFTING THE LOADER...1658
PREVENTIVE MAINTENANCE...1659
MAINTENANCE SAFETY WARNINGS...1660
SERVICE SCHEDULE...1661
LIFT ARM STOP...1662
OPERATOR CAB...1662
Raising The Operator Cab...1663
Lowering The Operator Cab...1663
REAR DOOR...1663
Door Latch Adjustment...1664
AIR CLEANER...1664
FUEL SYSTEM...1665
Filling The Fuel Tank...1665
Fuel Filter...1666
ENGINE LUBRICATION SYSTEM...1667
Engine Oil And Filter Replacement...1667
COOLING SYSTEM...1669
ELECTRICAL SYSTEM...1672
Electrical System Service...1672
Using An Extra Battry (Jump Starting)...1672
Battery Replacement...1674
HYDRAULIC / HYDROSTATIC SYSTEM...1674
Hydraulic / Hydrostatic Fluid Reservoir...1674
Checking And Adding Fluid...1674
Hydraulic Fluid Replacement...1676
Hydraulic Filter Replacement...1676
SPARK ARRESTOR MUFFLER...1677
FINAL DRIVE TRANSMISSION (CHAINCASE)...1677
Chaincase Fluid Level...1677
TIRE MAINTENANCE...1678
Tire Rotation...1678
Wheel Nuts...1678
LOADER LUBRICATION...1679
BOB-TACH...1680
PIVOT PINS...1680
BRAKE PEDAL ADJUSTMENT...1680
TROUBLESHOOTING...1681
TROUBLESHOOTING THE ENGINE...1683
TROUBLESHOOTING THE DRIVE SYSTEM...1684
TROUBLESHOOTING THE HYDRAULIC SYSTEM...1685
MAJOR PARTS...1687
MAIN FRAME...1689
PANELS, SEAT, SEAT BAR & FUEL SYSTEM...1690
DRIVE SYSTEM...1691
HYDRAULIC SYSTEM...1692
HYDROSTATIC SYSTEM...1693
HAND CONTROLS AND CONTROL PEDALS...1694
OPERATOR CAB ELECTRICAL SYSTEM...1695
ENGINE ELECTRICAL SYSTEM...1696
ENGINE & ATTACHING PARTS...1697
SAFETY SIGNS...1699
WARNING - 6565980...1701
SERVICE SCHEDULE - 6567875...1702
WARNING - 6568692...1704
WARNING - 6568691...1705
IMPORTANT - 6560573...1706
SPECIFICATIONS...1707
LOADER SPECIFICATIONS...1709
Operation & Performance...1709
Engine...1709
Hydraulic System...1710
Electrical...1710
Drive System...1710
Capacities...1710
Tires...1710
ADDITIONAL PUBLICATIONS...1711
WARRANTY...1713
6570791 (5-88) - 542B Loader Service Manual...1715
MAINTENANCE SAFETY...1717
CONTENTS...1719
FOREWORD...1721
SERIAL NUMBER LOCATIONS...1723
Loader Serial Number...1723
Engine Serial Number...1723
DELIVERY REPORT...1723
BOBCAT LOADER IDENTIFICATION...1724
PREVENTIVE MAINTENANCE...1725
SERVICE SCHEDULE...1727
PREVENTIVE MAINTENANCE...1728
LIFTING AND BLOCKING THE LOADER...1728
Procedure...1728
LIFT ARM STOP...1729
Procedure...1729
TRANSPORTING THE BOBCAT LOADER...1729
Procedure...1729
OPERATOR CAB...1730
Operator Cab Fasteners...1730
Raising And Lowering The Operator Cab...1730
SEAT BAR SYSTEM...1731
Seat Bar Description...1731
Seat Bar Inspection...1731
Seat Bar Maintenance...1731
USING AN EXTRA BATTERY (JUMP STARTING)...1732
Procedure...1732
AIR CLEANER...1733
Replacement Of Filter Element...1733
FUEL SYSTEM...1734
Filling The Fuel Tank...1734
Fuel Filter...1734
ENGINE LUBRICATION SYSTEM...1735
Checking Engine Oil...1735
Replacement Of Engine Oil And Filter...1735
COOLING SYSTEM...1736
Rear Grill...1736
Coolant Level...1737
Removing Coolant From The Cooling System...1737
HYDRAULIC / HYDROSTATIC SYSTEM...1738
Checking And Adding Fluid...1738
Replacement Of The Hydraulic Filter Element...1738
Removing The Hydraulic Fluid...1739
FINAL DRIVE TRANSMISSION (CHAINCASE)...1740
Checking Oil Level...1740
TIRE MAINTENANCE...1740
Wheel Nuts...1740
Tire Rotation...1740
Tire Inflation...1740
LUBRICATION OF THE LOADER...1741
Procedure...1741
REMOTE START SWITCH...1742
Procedure...1742
HYDRAULIC SYSTEM...1743
HYDRAULIC / HYDROSTATIC SCHEMATICS...1745
TROUBLESHOOTING...1751
HYDRAULIC SYSTEM INFORMATION...1752
Flare Connections...1752
Straight Thread O-Ring Fitting...1752
Tubelines And Hoses...1752
LIFT CYLINDER...1753
Checking The Lift Cylinder(s)...1753
Removal And Installation...1753
TILT CYLINDER...1755
Checking The Tilt Cylinder...1755
Removal And Installation...1755
Rod End Seal...1756
HYDRAULIC CONTROL VALVE...1757
Checking The Main Relief Valve With Auxiliary Couplers (Opt.)...1757
Checking The Main Relief Valve Without Auxiliary Hydraulics...1758
Main Relief Valve Removal And Installation...1759
Adjusting The Main Relief Valve...1759
Removal And Installation...1760
HYDRAULIC PUMP...1762
Checking The Output Of The Hydraulic Pump...1762
Removal And Installation...1763
PORT BLOCK...1764
Removal And Installation...1764
Charge By-Pass Valve...1764
FILTER BY-PASS VALVE...1766
Removal And Installation...1766
HYDRAULIC FLUID RESERVOIR...1767
Removal And Installation...1767
HYDRAULIC CONTROL PEDALS...1768
Removal And Installation...1768
Adjustment...1768
PEDAL LOCK LINKAGE...1769
Installation...1769
Adjustment...1769
HYDROSTATIC SYSTEM...1771
TROUBLESHOOTING...1773
HYDROSTATIC SYSTEM INFORMATION...1774
High Pressure Relief/Rreplenishing Valve Function...1774
FRONT PANEL...1775
Removal And Installation...1775
STEERING LEVERS...1777
Removal And Installation...1777
Repairing The Steering Levers...1778
STEERING LINKAGE...1779
Steering Linkage Adjustment...1779
Removal And Installation...1780
Repairing The Pintle Lever...1781
HYDROSTATIC MOTOR...1783
Removal And Installation...1783
Start-Up Procedure...1784
HYDROSTATIC PUMP...1785
Checking The Charge Pressure...1785
Checking High Pressure Relief/Replenishing Valves...1786
Removal And Installation...1787
High Pressure Hose Routing...1789
Start-Up Procedure...1789
TOWING THE LOADER...1790
Procedure...1790
DRIVE SYSTEM...1791
PARKING BRAKE...1793
Adjustment...1793
Removal And Installation...1793
Block And Pucks...1794
AXLES, SEALS AND BEARINGS...1796
Removal...1796
Installation...1797
FINAL DRIVE CHAIN...1800
Removal...1800
Installation...1800
CHAINCASE FLUID...1801
Replacing The Chaincase Fluid...1801
MAIN FRAME...1803
OPERATOR CAB...1805
Removal And Installation...1805
OPERATOR CAB GAS CYLINDER...1808
Removal And Installation...1808
REAR DOOR...1809
Door Latch Adjustment...1809
Removal And Installation...1810
LIFT ARMS...1811
Removal And Installation...1811
BOB-TACH...1813
Removal And Installation...1813
Tilt Cylinder Rod End Seal...1814
Bob-Tach Wedges...1815
FUEL TANK...1817
Removal And Installation...1817
ELECTRICAL SYSTEM...1819
ELECTRICAL SCHEMATICS...1822
ELECTRICAL SYSTEM INFORMATION...1833
Description...1833
TROUBLESHOOTING...1833
BATTERY...1834
Checking The Battery...1834
Removal And Installation...1834
ALTERNATOR...1835
Checking The Alternator Output...1835
Checking The Alternator Regulator...1835
Removal And Installation...1836
Disassenbly And Assembly...1837
Checking Rotor, Stator And Rectifier...1837
STARTER...1840
Checking The Starter...1840
Removal And Installation...1840
Disassembly And Assembly...1841
Cleaning And Inspection...1842
Replacing The Brushes...1842
ENGINE SERVICE...1843
TROUBLESHOOTING...1845
VALVE CLEARANCE...1846
Adjustment...1846
BELT SHIELD...1847
Removal And Installation...1847
FUEL LIFT PUMP...1849
Checking...1849
Removal And Installation...1849
CARBURETOR...1850
Description...1850
Operation...1850
Removal And Installation...1852
Disassembly And Assembly...1854
Inspection...1854
IGNITION SYSTEM...1855
Description...1855
Troubleshooting...1856
Ignition Timing Procedure...1857
DISTRIBUTOR...1858
Removal And Installation...1858
Disassembly And Assembly...1859
Checking The Distibutor...1859
Spark Advance Test...1859
IGNITION - DISTRIBUTORLESS...1860
Description...1860
Engine, Speed, Load & Temperature...1860
Service Adjustments And Checks...1861
Coil Removal And Installation...1861
Engine Speed Sensor...1862
Engine Coolant Temperature Sensor...1862
GOVENOR...1864
Belt Adjustment...1864
Govenor Oil Level...1864
Removal And Installation...1864
Adjusting The Govenor...1865
ENGINE MUFFLER...1867
Removal And Installation...1867
RADIATOR...1869
Removal And Installation...1869
ENGINE...1871
Removal And Installation...1871
OIL COOLER AND BLOWER HOUSING...1874
Removal And Installation...1874
FLYWHEEL AND U-JOINT...1877
Removal And Installation...1877
Flywheel Ring Gear...1878
ROCKER ARMS...1879
Removal And Installation...1879
Disassembly And Assembly...1879
Inspection...1879
CYLINDER HEAD...1879
Removal And Installation...1879
Cleaning...1880
Inspection...1880
VALVES, VALVE GUIDES & SPRINGS...1881
Removal...1881
Valve Guides...1881
Reconditioning The Valve And Valve Seat...1882
Valve Springs...1882
PISTON AND CONNECTING ROD...1883
Removal And Installation...1883
Fitting Pistons...1883
Piston Rings...1884
Piston Pin...1884
Connecting Rods...1884
CYLINDER BLOCK...1885
Cleaning...1885
Inspection...1885
Refinishing Cylinder Bores...1885
CRANKSHAFT FRONT OIL SEAL...1885
Removal...1885
Installation...1885
CRANKSHAFT REAR OIL SEAL...1886
Removal...1886
Installation...1886
CRANKSHAFT AND MAIN BEARINGS...1886
Inspection...1886
Refinishing Crankshaft Journals...1887
Fitting Bearing with Plastigage...1887
Crankshaft End Play...1888
TIMING CHAIN COVER...1888
Removal And Installation...1888
TIMING CHAIN AND SPROCKETS...1888
Removal...1888
Inspection...1888
Installation...1889
CAMSHAFT...1889
Checking Camshaft Lobe Lift...1889
Removal And Installation...1890
Inspection...1890
Camshaft Bearing...1890
Camshaft End Play...1890
PUCH RODS AND TAPPETS...1891
Inspecting The Push Rods...1891
Inspecting The Tappet...1891
OIL PAN...1891
Removal...1891
Cleaning And Inspection...1891
Installation...1891
OIL PUMP...1892
Disassembly...1892
Inspection...1892
Assembly...1892
TECHNICAL DATA...1893
LOADER/ENGINE SPECIFICATIONS (S/N 11999 & BELOW)...1895
SPECIFICATIONS...1897
OPERATION AND PERFORMANCE...1897
ENGINE...1897
ELECTRICAL...1898
DRIVE SYSTEM...1898
HYDRAULIC SYSTEM...1898
CAPACITIES...1898
TIRES...1898
ENGINE SPECIFICATIONS (S/N 11999 & BELOW)...1899
Cylinder Block...1899
Crankshaft...1899
Connecting Rod...1899
Pistons...1899
Piston Pins...1899
Piston Rings...1899
Cylinder Head...1900
Valves...1900
Valve Springs...1900
Tappets...1900
Rocker Arms & Shaft...1900
Oil Pump...1900
Camshaft...1901
Ignition System - Solid State...1901
Distributor Advance...1901
Belt Tension...1901
Fuel Pump...1901
Engine Torque...1902
LOADER TORQUES...1903
HYDRAULIC/HYDROSTATIC FLUID SPECIFICATIONS...1904
DECIMAL AND MILLIMETER EQUIVALENTS...1905
U.S. TO METRIC CONVERSION...1905
STANDARD TORQUE SPECIFICATIONS FOR BOLTS...1906
LOADER/ENGINE SPECIFICATIONS (S/N 12001 & ABOVE)...1907
SPECIFICATIONS...1909
OPERATION AND PERFORMANCE...1909
ENGINE...1909
HYDRAULIC SYSTEM...1910
ELECTRICAL...1910
DRIVE SYSTEM...1910
CAPACITIES...1910
TIRES...1910
ENGINE SPECIFICATIONS...1911
Cylinder Block...1911
Crankshaft...1911
Connecting Rod...1911
Pistons...1911
Piston Pins...1911
Piston Rings...1911
Cylinder Head...1912
Valves...1912
Valve Springs...1912
Tappets...1912
Rocker Arms & Shaft...1912
Oil Pump...1912
Camshaft...1913
Ignition System - Distributorless...1913
Belt Tension...1913
Fuel Pump...1913
Engine Torque...1914
SERVICE MANUAL REVISIONS...1915
542B-1...1915
542B-2...1917
542B-3...1919
542B-4...1921
542B-5...1923
542B-6...1925
542B-7...1927
6570791 (6-12) - 542B Loader Service Manual...1929
MAINTENANCE SAFETY...1931
CONTENTS...1933
FOREWORD...1935
SERIAL NUMBER LOCATIONS...1937
Loader Serial Number...1937
Engine Serial Number...1937
DELIVERY REPORT...1937
BOBCAT LOADER IDENTIFICATION...1938
PREVENTIVE MAINTENANCE...1939
SERVICE SCHEDULE...1941
PREVENTIVE MAINTENANCE...1942
LIFTING AND BLOCKING THE LOADER...1942
Procedure...1942
LIFT ARM STOP...1943
Procedure...1943
TRANSPORTING THE BOBCAT LOADER...1943
Procedure...1943
OPERATOR CAB...1944
Operator Cab Fasteners...1944
Raising And Lowering The Operator Cab...1944
SEAT BAR SYSTEM...1945
Seat Bar Description...1945
Seat Bar Inspection...1945
Seat Bar Maintenance...1945
USING AN EXTRA BATTERY (JUMP STARTING)...1946
Procedure...1946
AIR CLEANER...1947
Replacement Of Filter Element...1947
FUEL SYSTEM...1948
Filling The Fuel Tank...1948
Fuel Filter...1948
ENGINE LUBRICATION SYSTEM...1949
Checking Engine Oil...1949
Replacement Of Engine Oil And Filter...1949
COOLING SYSTEM...1950
Rear Grill...1950
Coolant Level...1951
Removing Coolant From The Cooling System...1951
HYDRAULIC / HYDROSTATIC SYSTEM...1952
Checking And Adding Fluid...1952
Replacement Of The Hydraulic Filter Element...1952
Removing The Hydraulic Fluid...1953
FINAL DRIVE TRANSMISSION (CHAINCASE)...1954
Checking Oil Level...1954
TIRE MAINTENANCE...1954
Wheel Nuts...1954
Tire Rotation...1954
Tire Inflation...1954
LUBRICATION OF THE LOADER...1955
Procedure...1955
REMOTE START SWITCH...1956
Procedure...1956
HYDRAULIC SYSTEM...1957
HYDRAULIC / HYDROSTATIC SCHEMATICS...1959
TROUBLESHOOTING...1965
HYDRAULIC SYSTEM INFORMATION...1966
Flare Connections...1966
Straight Thread O-Ring Fitting...1966
Tubelines And Hoses...1966
LIFT CYLINDER...1967
Checking The Lift Cylinder(s)...1967
Removal And Installation...1967
TILT CYLINDER...1969
Checking The Tilt Cylinder...1969
Removal And Installation...1969
Rod End Seal...1970
HYDRAULIC CONTROL VALVE...1971
Checking The Main Relief Valve With Auxiliary Couplers (Opt.)...1971
Checking The Main Relief Valve Without Auxiliary Hydraulics...1972
Main Relief Valve Removal And Installation...1973
Adjusting The Main Relief Valve...1973
Removal And Installation...1974
HYDRAULIC PUMP...1976
Checking The Output Of The Hydraulic Pump...1976
Removal And Installation...1977
PORT BLOCK...1978
Removal And Installation...1978
Charge By-Pass Valve...1978
FILTER BY-PASS VALVE...1980
Removal And Installation...1980
HYDRAULIC FLUID RESERVOIR...1981
Removal And Installation...1981
HYDRAULIC CONTROL PEDALS...1982
Removal And Installation...1982
Adjustment...1982
PEDAL LOCK LINKAGE...1983
Installation...1983
Adjustment...1983
HYDROSTATIC SYSTEM...1985
TROUBLESHOOTING...1987
HYDROSTATIC SYSTEM INFORMATION...1988
High Pressure Relief/Rreplenishing Valve Function...1988
FRONT PANEL...1989
Removal And Installation...1989
STEERING LEVERS...1991
Removal And Installation...1991
Repairing The Steering Levers...1992
STEERING LINKAGE...1993
Steering Linkage Adjustment...1993
Removal And Installation...1994
Repairing The Pintle Lever...1995
HYDROSTATIC MOTOR...1997
Removal And Installation...1997
Start-Up Procedure...1998
HYDROSTATIC PUMP...1999
Checking The Charge Pressure...1999
Checking High Pressure Relief/Replenishing Valves...2000
Removal And Installation...2001
High Pressure Hose Routing...2003
Start-Up Procedure...2003
TOWING THE LOADER...2004
Procedure...2004
DRIVE SYSTEM...2005
PARKING BRAKE...2007
Adjustment...2007
Removal And Installation...2007
Block And Pucks...2008
AXLES, SEALS AND BEARINGS...2010
Removal...2010
Installation...2011
FINAL DRIVE CHAIN...2014
Removal...2014
Installation...2014
CHAINCASE FLUID...2015
Replacing The Chaincase Fluid...2015
MAIN FRAME...2017
OPERATOR CAB...2019
Removal And Installation...2019
OPERATOR CAB GAS CYLINDER...2022
Removal And Installation...2022
REAR DOOR...2023
Door Latch Adjustment...2023
Removal And Installation...2024
LIFT ARMS...2025
Removal And Installation...2025
BOB-TACH...2027
Removal And Installation...2027
Tilt Cylinder Rod End Seal...2028
Bob-Tach Wedges...2029
FUEL TANK...2031
Removal And Installation...2031
ELECTRICAL SYSTEM...2033
ELECTRICAL SCHEMATICS...2036
ELECTRICAL SYSTEM INFORMATION...2047
Description...2047
TROUBLESHOOTING...2047
BATTERY...2048
Checking The Battery...2048
Removal And Installation...2048
ALTERNATOR...2049
Checking The Alternator Output...2049
Checking The Alternator Regulator...2049
Removal And Installation...2050
Disassenbly And Assembly...2051
Checking Rotor, Stator And Rectifier...2051
STARTER...2054
Checking The Starter...2054
Removal And Installation...2054
Disassembly And Assembly...2055
Cleaning And Inspection...2056
Replacing The Brushes...2056
ENGINE SERVICE...2057
TROUBLESHOOTING...2059
VALVE CLEARANCE...2060
Adjustment...2060
BELT SHIELD...2061
Removal And Installation...2061
FUEL LIFT PUMP...2063
Checking...2063
Removal And Installation...2063
CARBURETOR...2064
Description...2064
Operation...2064
Removal And Installation...2066
Disassembly And Assembly...2068
Inspection...2068
IGNITION SYSTEM...2069
Description...2069
Troubleshooting...2070
Ignition Timing Procedure...2071
DISTRIBUTOR...2072
Removal And Installation...2072
Disassembly And Assembly...2073
Checking The Distibutor...2073
Spark Advance Test...2073
IGNITION - DISTRIBUTORLESS...2074
Description...2074
Engine, Speed, Load & Temperature...2074
Service Adjustments And Checks...2075
Coil Removal And Installation...2075
Engine Speed Sensor...2076
Engine Coolant Temperature Sensor...2076
GOVENOR...2078
Belt Adjustment...2078
Govenor Oil Level...2078
Removal And Installation...2078
Adjusting The Govenor...2079
ENGINE MUFFLER...2081
Removal And Installation...2081
RADIATOR...2083
Removal And Installation...2083
ENGINE...2085
Removal And Installation...2085
OIL COOLER AND BLOWER HOUSING...2088
Removal And Installation...2088
FLYWHEEL AND U-JOINT...2091
Removal And Installation...2091
Flywheel Ring Gear...2092
ROCKER ARMS...2093
Removal And Installation...2093
Disassembly And Assembly...2093
Inspection...2093
CYLINDER HEAD...2093
Removal And Installation...2093
Cleaning...2094
Inspection...2094
VALVES, VALVE GUIDES & SPRINGS...2095
Removal...2095
Valve Guides...2095
Reconditioning The Valve And Valve Seat...2096
Valve Springs...2096
PISTON AND CONNECTING ROD...2097
Removal And Installation...2097
Fitting Pistons...2097
Piston Rings...2098
Piston Pin...2098
Connecting Rods...2098
CYLINDER BLOCK...2099
Cleaning...2099
Inspection...2099
Refinishing Cylinder Bores...2099
CRANKSHAFT FRONT OIL SEAL...2099
Removal...2099
Installation...2099
CRANKSHAFT REAR OIL SEAL...2100
Removal...2100
Installation...2100
CRANKSHAFT AND MAIN BEARINGS...2100
Inspection...2100
Refinishing Crankshaft Journals...2101
Fitting Bearing with Plastigage...2101
Crankshaft End Play...2102
TIMING CHAIN COVER...2102
Removal And Installation...2102
TIMING CHAIN AND SPROCKETS...2102
Removal...2102
Inspection...2102
Installation...2103
CAMSHAFT...2103
Checking Camshaft Lobe Lift...2103
Removal And Installation...2104
Inspection...2104
Camshaft Bearing...2104
Camshaft End Play...2104
PUCH RODS AND TAPPETS...2105
Inspecting The Push Rods...2105
Inspecting The Tappet...2105
OIL PAN...2105
Removal...2105
Cleaning And Inspection...2105
Installation...2105
OIL PUMP...2106
Disassembly...2106
Inspection...2106
Assembly...2106
TECHNICAL DATA...2107
LOADER/ENGINE SPECIFICATIONS (S/N 11999 & BELOW)...2109
SPECIFICATIONS...2111
OPERATION AND PERFORMANCE...2111
ENGINE...2111
ELECTRICAL...2112
DRIVE SYSTEM...2112
HYDRAULIC SYSTEM...2112
CAPACITIES...2112
TIRES...2112
ENGINE SPECIFICATIONS (S/N 11999 & BELOW)...2113
Cylinder Block...2113
Crankshaft...2113
Connecting Rod...2113
Pistons...2113
Piston Pins...2113
Piston Rings...2113
Cylinder Head...2114
Valves...2114
Valve Springs...2114
Tappets...2114
Rocker Arms & Shaft...2114
Oil Pump...2114
Camshaft...2115
Ignition System - Solid State...2115
Distributor Advance...2115
Belt Tension...2115
Fuel Pump...2115
Engine Torque...2116
LOADER TORQUES...2117
HYDRAULIC/HYDROSTATIC FLUID SPECIFICATIONS...2118
DECIMAL AND MILLIMETER EQUIVALENTS...2119
U.S. TO METRIC CONVERSION...2119
STANDARD TORQUE SPECIFICATIONS FOR BOLTS...2120
LOADER/ENGINE SPECIFICATIONS (S/N 12001 & ABOVE)...2121
SPECIFICATIONS...2123
OPERATION AND PERFORMANCE...2123
ENGINE...2123
HYDRAULIC SYSTEM...2124
ELECTRICAL...2124
DRIVE SYSTEM...2124
CAPACITIES...2124
TIRES...2124
ENGINE SPECIFICATIONS...2125
Cylinder Block...2125
Crankshaft...2125
Connecting Rod...2125
Pistons...2125
Piston Pins...2125
Piston Rings...2125
Cylinder Head...2126
Valves...2126
Valve Springs...2126
Tappets...2126
Rocker Arms & Shaft...2126
Oil Pump...2126
Camshaft...2127
Ignition System - Distributorless...2127
Belt Tension...2127
Fuel Pump...2127
Engine Torque...2128
SERVICE MANUAL REVISIONS...2129
542B-1...2129
542B-2...2131
542B-3...2133
542B-4...2135
542B-5...2137
542B-6...2139
542B-7...2141
542B-8...2143
6720184 (9-96) - 542B, 543 Operation & Maintenance Manual...2145
CONTENTS...2147
REFERENCE INFORMATION...2147
FOREWORD...2149
SERIAL NUMBER LOCATIONS...2151
Loader Serial Number...2151
Engine Serial Number Location...2151
DELIVERY REPORT...2151
BOBCAT SKID STEER LOADER IDENTIFICATION (542B)...2152
BOBCAT SKID STEER LOADER IDENTIFICATION (543)...2153
SAFETY...2155
SAFETY INSTRUCTIONS...2157
Safety Is Your Responsibility...2157
Before Operating The Bobcat Loader...2158
Safe Operation Needs A Qualified Operator...2158
FIRE PREVENTION...2159
SAFETY SIGNS (DECALS)...2160
OPERATING INSTRUCTIONS...2163
INSTRUMENT PANEL (One Piece)...2165
INSTRUMENT PANEL (Three Piece)...2165
CONTROLS...2166
THROTTLE CONTROL...2166
ENGINE STOP CONTROL (543)...2166
STOPPING THE ENGINE (542B)...2166
CHOKE CONTROL (542B)...2166
PARKING BRAKE...2166
STEERING LEVERS...2167
HYDRAULIC CONTROLS...2168
Foot Pedals...2168
Lift Arm Operation...2168
Float Position Operation...2168
Tilt Operation (Bucket)...2168
Auxiliary Lever Operation...2169
DAILY INSPECTION...2169
GETTING ON AND OFF THE LOADER...2171
GETTING READY FOR OPERATION...2171
STARTING THE ENGINE...2173
Normal Starting Condition...2173
Cold Starting Condition...2175
Warming The Hydrostatic Transmission...2175
ATTACHMENTS AND BUCKETS...2176
Installation And Removal Of The Bucket...2176
OPERATING PROCEDURE...2178
Filling The Bucket...2179
Emptying The Bucket...2179
Digging Into The Ground...2180
Leveling The Ground (Using Lift Arm Float Position)...2181
Backfilling...2181
PARKING THE BOBCAT LOADER...2182
TRANSPORTING THE BOBCAT LOADER...2182
TOWING THE LOADER...2183
LIFTING THE LOADER...2184
PREVENTIVE MAINTENANCE...2185
SERVICE SCHEDULE...2187
LIFT ARM SUPPORT DEVICE...2188
OPERATOR CAB...2188
Raising The Operator Cab...2188
Lowering The Operator Cab...2189
SEAT BAR RESTRAINT SYSTEM...2189
Seat Bar Inspection...2190
Seat Bar Maintenance...2190
REAR DOOR...2191
Adjustment...2191
AIR CLEANER SERVICE (543)...2192
AIR CLEANER SERVICE (542B)...2193
FUEL SYSTEM...2194
Filling The Fuel Tank...2194
Fuel Filter (542B)...2194
Fuel Filter (543)...2195
Removing Air From The Fuel System (543)...2196
ENGINE LUBRICATION SYSTEM...2197
Replacement Of Engine Oil And Filter...2197
COOLING SYSTEM...2199
Rear Grill...2199
Cleaning...2200
Coolant Level...2200
Coolant Replacement...2201
ALTERNATOR BELT ADJUSTMENT...2202
GOVENOR (542B)...2203
Belt Adjustment...2203
Govenor Oil Level...2203
WIRING DIAGRAM...2204
ELECTRICAL SYSTEM...2209
Electrical System Service...2209
Using And Extra Battery (Jump Starting)...2209
Battery Replacement...2211
HYDRAULIC / HYDROSTATIC FLOW CHART (542B, 543)...2212
HYDRAULIC / HYDROSTATIC SYSTEM...2213
Checking And Adding Fluid...2213
Replacement Of The Hydraulic Filter Element...2213
Removing The Hydraulic Fluid...2214
SPARK ARRESTOR MUFFLER...2215
FINAL DRIVE TRANSMISSION (CHAINCASE)...2216
TIRE MAINTENANCE...2216
Wheel Nuts...2217
Tire Installation On A Rim...2217
Tire Pressure...2217
LUBRICATION OF THE BOBCAT LOADER...2217
BOB-TACH...2219
AUXILIARY CONTROL LOCKBOLT...2219
PIVOT PINS...2219
BRAKE PEDAL ADJUSTMENT...2219
TROUBLESHOOTING...2221
TROUBLESHOOTING THE ENGINE...2223
TROUBLESHOOTING THE DRIVE SYSTEM...2224
TROUBLE SHOOTING THE HYDRAULIC SYSTEM...2225
MAJOR PARTS...2227
MAIN FRAME...2229
PANELS, SEAT, SEAT BAR & FUEL SYSTEM...2230
DRIVE SYSTEM...2231
HYDRAULIC SYSTEM...2232
HYDROSTATIC SYSTEM...2233
HAND CONTROLS AND CONTROL PEDALS...2234
OPERATOR CAB ELECTRICAL SYSTEM...2235
ENGINE ELECTRICAL SYSTEM...2236
ENGINE & ATTACHING PARTS...2237
SAFETY SIGNS...2239
WARNING - 6565980...2241
SERVICE SCHEDULE - 6567875...2242
WARNING - 6575855...2244
WARNING - 6579510...2245
IMPORTANT - 6560573...2246
DANGER - 6579639...2246
SPECIFICATIONS...2247
OPERATION AND PERFORMANCE...2249
ENGINE...2249
HYDRAULIC SYSTEM...2250
ELECTRICAL...2250
DRIVE SYSTEM...2250
CAPACITIES...2250
TIRES...2250
WARRANTY...2251
6720358 (11-89) - 542B Operation & Maintenance Manual...2253
OPERATOR SAFETY WARNINGS...2255
FOREWORD...2257
CONTENTS...2257
REFERENCE INFORMATION...2257
SAFETY INSTRUCTIONS...2259
Safety Is hte Operator& Responsibility...2259
Before Operating The Bobcat Loader...2259
Safe Operation Nedds A Qualified Operator...2260
FIRE PREVENTION...2260
SERIAL NUMBER LOCATIONS...2261
Loader Serial Number...2261
Engine Serial Number...2261
DELIVERY REPORT...2261
BOBCAT LOADER IDENTIFICATION...2262
SAFETY SIGNS (DECALS)...2263
OPERATING INSTRUCTIONS...2265
INSTRUMENT PANEL...2267
Three Piece...2267
LEARNING THE CONTROLS...2268
PARKING BRAKE...2268
STEERING LEVERS...2269
HYDRAULIC CONTROLS...2270
Foot Pedals...2270
Lift Arm Operation...2270
Float Position Operation...2270
Tilt Operation...2270
Auxiliary Lever Operation...2271
DAILY INSPECTION...2272
GETTING READY FOR OPERATION...2273
STARTING THE ENGINE...2275
Normal Starting Condition...2275
Cold Starting Condition...2276
Warming The Hydraulic / Hydrostatic System...2276
STOPPING THE ENGINE...2276
ATTACHMENTS AND BUCKETS...2277
Installation And Removal Of The Bucket...2278
OPERATING PROCEDURES...2279
Filling The Bucket...2280
Emptying The Bucket...2280
Digging Into The Ground...2281
Leveling The Ground (Using Lift Arms In Float Position)...2282
Backfilling...2282
TRANSPORTING THE BOBCAT LOADER...2283
PARKING THE BOBCAT LOADER...2283
LIFTING THE BOBCAT LOADER...2284
TOWING THE BOBCAT LOADER...2284
PREVENTIVE MAINTENANCE...2285
MAINTENANCE SAFETY...2286
SERVICE SCHEDULE...2287
LIFT ARM SUPPORT DEVICE...2288
OPERATOR CAB...2288
Raising The Operator Cab...2289
Lowering The Operator Cab...2289
SEAT BAR SYSTEM...2290
Seat Bar Inspection...2290
Seat Bar Maintenance...2290
REAR DOOR...2291
Opening The Rear Door...2291
Adjusting The Rear Door...2291
AIR CLEANER SERVICE...2292
FUEL SYSTEM...2293
Fuel Specifications...2293
Filling The Fuel tank...2293
Fuel Filter...2293
ENGINE LUBRICATION SYSTEM...2294
Replacement Of Engine Oil And Filter...2294
COOLING SYSTEM...2295
Rear Grill...2295
Coolant Level...2296
Removing Coolant From The Cooling System...2296
GOVENOR...2297
Belt Adjustment...2297
Govenor Oil Level...2297
ALTERNATOR BELT...2298
Adjusting The Alternator Belt...2298
ELECTRICAL SYSTEM...2299
Description...2299
Using An Extra Battery (Jump Starting)...2299
Battery Removal And Installation...2301
HYDRAULIC / HYDROSTATIC SYSTEM...2302
Checking And Adding Fluid...2302
Hydraulic / Hydrostatic Filter Replacement...2302
Removing The Hydraulic Fluid...2303
SPARK ARRESTOR MUFFLER...2304
TIRE MAINTENANCE...2305
Wheel Nuts...2305
Tire Rotation...2305
Tire Inflation...2305
FINAL DRIVE TRANSMISSION (CHAINCASE)...2306
LUBRICATION OF THE BOBCAT LOADER...2307
PIVOT PINS...2308
PARKING BRAKE PEDAL ADJUSTMENT...2308
AUXILIARY RETAINER BOLT...2308
TROUBLESHOOTING...2309
TROUBLESHOOTING THE ENGINE...2311
TROUBLESHOOTING THE DRIVE SYSTEM...2312
TROUBLESHOOTING THE HYDRAULIC SYSTEM...2313
SAFETY SIGNS...2315
WARNING - 6565980...2317
WARNING - 6575855...2318
WARNING - 6575854...2319
IMPORTANT - 6560573...2320
DANGER - 6575694...2320
LOADER SPECIFICATIONS...2321
OPERATIONS AND PERFORMANCE...2323
ENGINE...2323
HYDRAULIC SYSTEM...2324
ELECTRICAL...2324
DRIVE SYSTEM...2324
CAPACITIES...2324
TIRES...2324
WARRANTY...2325
6722480 (3-99) - 543B Loader Operation & Maintenance Manual...2327
OPERATOR SAFETY WARNINGS...2328
CONTENTS...2329
FOREWORD...2331
SERIAL NUMBER LOCATIONS...2333
Loader Serial Number...2333
Engine Serial Number...2333
DELIVERY REPORT...2333
BOBCAT LOADER IDENTIFICATION...2334
SAFETY...2335
SAFETY INSTRUCTIONS...2337
Safety Is The Operator& Responsibility...2337
Before Operating The Bobcat Loader...2338
Safe Operation Needs A Qualified Operator...2338
FIRE PREVENTION...2339
MACHINE SIGNS (DECALS)...2340
OPERATING INSTRUCTIONS...2343
INSTRUMENT PANEL...2345
EMGINE SPEED CONTROL...2345
ENGINE STOP CONTROL...2345
PARKING BRAKE...2346
STEERING LEVERS...2347
HYDRAULIC CONTROLS...2348
Foot Pedals...2348
Lift Arm Operation...2348
Tilt Operation (Bucket)...2348
Auxiliary Hydraulics Operation (Optional)...2349
DAILY INSPECTION...2350
SEAT BAR RESTRAINT SYSTEM...2351
GETTING READY FOR OPERATION...2352
STARTING THE ENGINE...2353
Normal Starting Condition...2353
Cold Temperature Starting Condition...2355
Warming The Hydraulic / Hydrostatic System...2355
STOPPING THE ENGINE...2355
ATTACHMENTS AND BUCKETS...2356
Installation And Removal...2357
OPERATING PROCEDURES...2358
Filling The Bucket...2359
Emptying The Bucket...2359
Digging Into The Ground...2360
Leveling The Ground (Using Lift Arms In Float Postion)...2361
Backfilling...2361
PARKING THE BOBCAT LOADER...2362
TRANSPORTING THE BOBCAT LOADER...2362
LIFTING THE LOADER...2363
TOWING THE LOADER...2363
PREVENTIVE MAINTENANCE...2365
MAINTENANCE SAFETY...2366
SERVICE SCHEDULE...2367
LIFT ARM SUPPORT DEVICE...2368
OPERATOR CAB...2368
Raising The Operator Cab...2369
Lowering The Operator Cab...2369
SEAT BAR SYSTEM...2370
Seat Bar Inspection...2370
Seat Bar Maintenance...2370
REAR DOOR...2371
Adjustment...2371
REAR GRILL...2372
AIR CLEANER SERVICE...2373
FUEL SYSTEM...2375
Fuel Specifications...2375
Filling The Fuel Tank...2375
Fuel Filter...2375
Removing Air From The Fuel System...2376
ENGINE LUBRICATION SYSTEM...2377
Replacing Oil And Filter...2377
COOLING SYSTEM...2379
Checking The Coolant Level...2379
Cleaning The Cooling System...2379
Removing Coolant From The Cooling System...2379
ALTERNATOR BELT ADJUSTMENT...2381
ELECTRICAL SYSTEM...2382
Description...2382
Electrical System Service...2382
Using A Booster Battery ( Jump Starting)...2382
Battery Removal And Installation...2383
HYDRAULIC / HYDROSTATIC SYSTEM...2384
Checking And Adding Fluid...2384
Replacement Of The Hydraulic / Hydrostatic Filter Element...2385
Removing The Hydraulic Fluid...2385
SPARK ARRESTOR MUFFLER...2386
TIRE MAINTENANCE...2387
Wheel Nuts...2387
Tire Rotation...2387
Tire Inflation...2387
FINAL DRIVE TRANSMISSION (CHAINCASE)...2388
Checking And Adding Oil...2388
LUBRICATION OF THE BOBCAT LOADER...2389
BOB-TACH...2391
PARKING BRAKE PEDAL...2391
Adjustment...2391
PIVOT PINS...2391
AUXILIARY CONTROL LOCKBOLT...2392
U-JOINTS LUBRICATION...2392
TROUBLESHOOTING...2393
TROUBLESHOOTING THE ENGINE...2395
TROUBLESHOOTING THE HYDRAULIC SYSTEM...2396
MACHINE SIGN TRANSLATIONS...2399
IMPORTANT - 6560573...2401
WARNING - 6579511...2402
SERVICE SCHEDULE - 6567875...2403
WARNING - 6579510...2405
WARNING - 6579528...2406
DANGER - 6579639...2406
WARNING - 6577754...2406
DANGER - 6579509...2406
SPECIFICATIONS...2407
LOADER DIMENSIONS...2409
OPERATIONS & PERFORMANCE...2409
ENGINE...2409
HYDRAULIC SYSTEM...2410
ELECTRICAL...2410
DRIVE SYSTEM...2410
CAPACITIES...2410
TIRES...2410
WARRANTY...2411
6722584 (11-98) - 543 Loader Operation & Maintenance Manual...2413
OPERATOR SAFETY WARNINGS...2415
CONTENTS...2417
FOREWORD...2419
SERIAL NUMBER LOCATIONS...2421
Loader Serial Number...2421
Engine Serial Number...2421
DELIVERY REPORT...2421
BOBCAT LOADER IDENTIFICATION...2422
SAFETY...2423
SAFETY INSTRUCTIONS...2425
Safety Is The Operator& Responsibility...2425
Before Operating The Bobcat Loader...2426
Safe Operation Needs A Qualified Operator...2426
FIRE PREVENTION...2427
MACHINE SIGNS (DECALS)...2428
OPERATING INSTRUCTIONS...2431
INSTRUMENT PANEL...2433
ENGINE SPEED CONTROL...2433
ENGINE STOP CONTROL...2433
PARKING BRAKE...2434
STEERING LEVERS...2435
HYDRAULIC CONTROLS...2436
Foot Pedals...2436
Lift Arm Operation...2436
Tilt Operation (Bucket)...2436
Auxiliary Hydraulics Operation (Optional)...2437
DAILY INSPECTION...2438
SEAT BAR RESTRAINT SYSTEM...2439
GETTING READY FOR OPERATION...2440
STARTING THE ENGINE...2441
Normal Starting Condition...2441
Cold Temperature Starting Condition...2443
Warming The Hydraulic / Hydrostatic System...2443
STOPPING THE ENGINE...2443
ATTACHMENTS AND BUCKETS...2444
Installation And Removal...2445
OPERATING PROCEDURES...2446
Filling The Bucket...2447
Emptying The Bucket...2447
Digging Into The Ground...2448
Leveling The Ground (Using Lift Arms In Float Position)...2449
Backfilling...2449
PARKING THE BOBCAT LOADER...2450
TRANSPORTING THE BOBCAT LOADER...2450
LIFTING THE BOBCAT LOADER...2451
TOWING THE BOBCAT LOADER...2451
PREVENTIVE MAINTENANCE...2453
MAINTENANCE SAFETY...2454
SERVICE SCHEDULE...2455
LIFT ARM SUPPORT DEVICE...2456
OPERATOR CAB...2457
Raising The Operator Cab...2457
Lowering The Operator Cab...2457
SEAT BAR SYSTEM...2458
Seat Bar Inspection...2458
Seat Bar Maintenance...2458
REAR DOOR...2459
Adjustment...2459
REAR GRILL...2460
AIR CLEANER SERVICE...2461
FUEL SYSTEM...2463
Fuel Specifications...2463
Filling The Fuel Tank...2463
Fuel Filter...2463
Removing Air From The Fuel System...2464
ENGINE LUBRICATION SYSTEM...2465
Replacing Oil And Filter...2465
COOLING SYSTEM...2467
Cleaning The Cooling System...2467
Removing Coolant From The Cooling System...2467
ALTERNATOR BELT ADJUSTMENT...2469
ELECTRICAL SYSTEM...2470
Description...2470
Electrical System Service...2470
Using A Booster Battery (Jump Starting)...2470
Battery Removal And Installation...2471
HYDRAULIC / HYDROSTATIC SYSTEM...2472
Checking And Adding Fluid...2472
Replacement Of The Hydraulic / Hydrostatic Filter Element...2473
SPARK ARRESTOR MUFFLER...2474
TIRE MAINTENANCE...2475
Tire Rotation...2475
Tire Inflation...2475
FINAL DRIVE TRANSMISSION (CHAINCASE)...2476
Checking And Adding Oil...2476
LUBRICATION OF THE BOBCAT LOADER...2477
BOB-TACH...2479
PARKING BRAKE PEDAL...2479
Adjustment...2479
PIVOT PINS...2479
AUXILIARY CONTROL LOCKBOLT...2480
U-JOINTS LUBRICATION...2480
TROUBLESHOOTING...2481
TROUBLESHOOTING THE ENGINE...2483
TROUBLESHOOTING THE DRIVE SYSTEM...2484
TROUBLESHOOTING THE HYDRAULIC SYSTEM...2485
MACHINE SIGN TRANSLATIONS...2487
IMPORTANT - 6560573...2489
WARNING - 6579511...2490
SERVICE SCHEDULE - 6567875...2491
WARNING - 6579510...2493
WARNING - 6579528...2494
DANGER - 6579539...2494
WARNING - 6577754...2494
DANGER - 6579509...2494
SPECIFICATIONS...2495
LOADER DIMENSIONS...2497
OPERATIONS & PERFORMANCE...2497
ENGINE...2497
HYDRAULIC SYSTEM...2498
ELECTRICAL...2498
DRIVE SYSTEM...2498
CAPACITIES...2498
TIRES...2498
WARRANTY...2499
Bobcat Loaders 540, 542B, 543, 543B Repair Service Manuals