Complete service repair manual with Electrical Wiring Diagrams for Komatsu PC300LC-6, PC300HD-6 Hydraulic Excavator, Logging Excavator PC300LL-6 avance, with all the technical information to maintain, diagnose, repair, and rebuild like professional mechanics.

Komatsu PC300LC-6, PC300HD-6 Hydraulic Excavator, Logging Excavator PC300LL-6 avance 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.

CEBM002901 - Hydraulic Excavator PC300LC-6, PC300HD-6 Shop Manual.pdf
CEBM3006C2 - Hydraulic Excavator PC300LC-6, PC300HD-6 Shop Manual.pdf
CEBM009500 - Logging Excavator PC300LL-6 avance Shop Manual.pdf
CEBM018703 - Hydraulic Excavator PC300LC-8, PC300HD-8 Shop Manual.pdf
CEAM008500 - Logging Excavator PC300LL-6 avance Operation & Maintenance Manual.pdf
CEAM207040 - Hydraulic Excavator PC300LC-5 with KDC 614TA Engine Operation & Maintenance Manual.pdf
SEAM02070501 - Hydraulic Excavator PC300-5, PC300LC-5 Operation & Maintenance Manual.pdf

PRODUCT DETAILS:
Total Pages: 3,445 pages
File Format: PDF
Language: English

CEAM008500 - Logging Excavator PC300LL-6 avance Operation & Maintenance Manual...2
  COVER...2
  INTRODUCTION...8
    FOREWORD...9
    SAFETY INFORMATION...9
    INTRODUCTION...10
      INTENDED USE...10
      FEATURES...10
      BREAKING IN THE MACHINE...10
    LOCATION OF PLATES, TABLE TO ENTER P.I.N. AND DISTRIBUTOR...11
      P.I.N. PLATE LOCATION...11
      ENGINE SERIAL NO. PLATE LOCATION...11
      TABLE TO ENTER NUMBERS AND DISTRIBUTOR...11
    TABLE OF CONTENTS...12
  SAFETY...20
    WARNING LABELS...21
    GENERAL PRECAUTIONS...28
      SAFETY RULES...28
      SAFETY FEATURES...28
      UNAUTHORIZED MODIFICATION...28
      INSIDE OPERATOR’S COMPARTMENT...29
      CLOTHING AND PERSONAL PROTECTIVE ITEMS...29
      ALWAYS APPLY LOCK WHEN LEAVING OPERATOR’S SEAT...29
      MOUNTING AND DISMOUNTING...30
      INJURY FROM WORK EQUIPMENT...30
      FIRE PREVENTION FOR FUEL AND OIL...30
      PRECAUTIONS AT HIGH TEMPERATURES...31
      ASBESTOS DUST HAZARD PREVENTION...31
      FIRE EXTINGUISHER AND FIRST AID KIT...31
      CAB GLASS...32
      WINDOW WASHER FLUID...32
      ESCAPE FROM FIRE...32
      PROTECTION AGAINST FALLING OR FLYING OBJECTS...32
      MACHINES WITH ACCUMULATOR...33
      PRECAUTIONS FOR ATTACHMENTS...33
      INDOOR VENTILATION...33
      EMERGENCY EXIT FROM OPERATORS CAB...33
    PRECAUTIONS DURING OPERATION...34
      BEFORE STARTING ENGINE...34
        SAFETY AT WORK SITE...34
        FIRE PREVENTION...34
        VENTILATION FOR ENCLOSED AREAS...34
        IN OPERATOR’S CAB...34
        PRECAUTIONS FOR MIRROR AND LIGHTS...35
        WHEN STARTING ENGINE...35
      OPERATING MACHINE...36
        WHEN STARTING ENGINE...36
        CHECK DIRECTION BEFORE STARTING MACHINE...36
        CHECK THAT NO ONE IS IN AREA BEFORE SWINGING OR TRAVELING IN REVERSE...36
        NEVER LET ANYONE RIDE ON ATTACHMENT...36
        PRECAUTIONS WHEN TRAVELING...37
        OPERATE CAREFULLY ON SNOW...37
        TRAVELING ON SLOPES...38
        PROHIBITED OPERATIONS...38
        PRECAUTIONS FOR OPERATION...39
        DO NOT GO CLOSE TO HIGH VOLTAGE CABLES...39
        WORKING ON LOOSE GROUND...40
        OPERATING ON SLOPES...40
        PARKING THE MACHINE...40
        PRECAUTIONS IN COLD WEATHER...41
      TRANSPORTATION...42
        LOADING AND UNLOADING...42
        PRECAUTIONS WHEN LIFTING...42
        SHIPPING...43
      BATTERY...44
        BATTERY HAZARD PREVENTION...44
        STARTING WITH BOOSTER CABLES...44
        CHARGING BATTERY...45
      TOWING...46
        PRECAUTIONS WHEN TOWING...46
    PRECAUTIONS FOR MAINTENANCE...47
      BEFORE CARRYING OUT MAINTENANCE...47
        CONTACT WHEN THERE IS FAILURE...47
        WARNING TAG...47
        CLEAN BEFORE INSPECTION OR MAINTENANCE...47
        NEAT CLEAN WORK PLACE...47
        FOLLOW LEADER IN OPERATIONS WITH OTHER WORKERS...47
        RADIATOR COOLANT LEVEL...48
        PROPER TOOLS...48
        STOP ENGINE PRIOR TO INSPECTION AND MAINTENANCE...48
        SUPPORT FOR WORK EQUIPMENT...48
        PERIODIC REPLACEMENT OF CRITICAL SAFETY PARTS...49
        USE OF LIGHTING...49
        FIRE PREVENTION...49
        RULES TO FOLLOW WHEN ADDING FUEL OR OIL...49
      DURING MAINTENANCE...50
        PERSONNEL...50
        REMOVAL, INSTALLATION AND STORAGE OF ATTACHMENTS...50
        WORK UNDER THE MACHINE...50
        NOISE...50
        WHEN WORKING ON MACHINE...50
        LOCK INSPECTION COVERS...50
        TWO WORKERS FOR MAINTENANCE WHEN ENGINE IS RUNNING...51
        DO NOT DROP TOOLS OR PARTS INSIDE MACHINE...51
        FLYING PIECES WITH HAMMER WORK...51
        KEEP THE MACHINE CLEAN...51
        WELDING REPAIRS...52
        REMOVE BATTERY TERMINALS...52
        ACTION WHEN ABNORMALITY IS FOUND DURING INSPECTION...52
        RULES TO FOLLOW WHEN ADDING FUEL...52
        PRECAUTIONS WHEN ADJUSTING TRACK TENSION...52
        HANDLING HIGH PRESSURE HOSES...53
        PRECAUTIONS WITH HIGH PRESSURE OIL...53
        PRECAUTIONS AT HIGH TEMPERATURE OR PRESSURE...53
        WASTE MATERIALS...54
        CHECKS AFTER INSPECTION AND MAINTENANCE...54
        MAINTENANCE FOR AIR CONDITIONER...54
  OPERATION...56
    GENERAL...57
      VIEW OF MACHINE...57
      GENERAL VIEW OF OPERATORS COMPARTMENT...58
      GENERAL VIEW OF MONITOR PANEL...59
    EXPLANATION OF COMPONENTS...60
      MACHINE MONITOR...60
        MONITOR LIGHT GROUP...62
        METER DISPLAY PORTION...64
        SWITCHES...68
      SWITCHES...71
      CONTROL LEVERS AND PEDALS...76
      OPERATOR’S SEAT AND SEAT BELT...79
        SEAT ADJUSTMENT...79
        SEAT BELT...80
      MONITOR PANEL...81
        ADJUSTMENT ANGLE...81
      ROOF VENT...81
        WHEN OPENING...81
        WHEN CLOSING...81
      FRONT WINDOW...82
        WHEN OPENING...82
        WHEN CLOSING...83
        FRONT BOTTOM WINDOW...84
      DOOR LOCK...84
      CAP, COVER WITH LOCK...85
        METHOD OF OPENING AND CLOSING LOCK CAP...85
        METHOD OF OPENING AND CLOSING COVER LOCK...85
      OPERATOR EASE...86
        HOT AND COOL BOX...86
        STORAGE BOX...86
        ASHTRAY...86
      AIR CONDITIONER...87
        GENERAL LOCATIONS ON CONTROL PANEL...87
        PRECAUTIONS WHEN USING AIR CONDITIONER...89
        CHECK, MAINTAIN MACHINE WITH AIR CONDITIONER...89
      AM/FM RADIO...90
        EXPLANATION OF COMPONENTS...90
        METHOD OF OPERATION...92
        PRECAUTIONS WHEN USING...94
        SPECIFICATIONS...94
      ELECTRIC POWER TAKE OUT ADAPTER...94
      FUSE...95
      FUSIBLE LINK...96
      CONTROLLERS...96
      TOOL BOX...96
      GREASE GUN HOLDER...96
      HANDLING ACCUMULATOR...97
    OPERATION...98
      CHECK BEFORE STARTING ENGINE...98
        WALK AROUND CHECK...98
        CHECK BEFORE STARTING...100
        ADJUST OPERATOR’S SEAT...103
        ADJUST SEAT BELT...103
        ADJUST ARM RESTS...103
        ADJUST MONITOR PANEL...103
        OPERATIONS AND CHECKS BEFORE STARTING ENGINE...104
      STARTING ENGINE...106
        NORMAL STARTING...106
        STARTING IN COLD WEATHER...107
      OPERATIONS AND CHECKS AFTER STARTING ENGINE...109
        WHEN NORMAL...109
        AUTOMATIC WARM UP OPERATION...112
      MOVING MACHINE...115
        MOVING MACHINE FORWARD...115
        MOVING MACHINE REARWARD...117
      STEERING MACHINE...119
        STEERING (CHANGING DIRECTION)...119
      STOPPING MACHINE...120
      SWINGING...121
      OPERATION OF WORK EQUIPMENT...122
      ACTIVE MODE...123
      WORKING MODES...124
        WORKING MODE...124
        POWER MAX, SWIFT SLOW DOWN...124
      PRECAUTIONS FOR OPERATION...126
        PRECAUTIONS WHEN TRAVELING...126
        PRECAUTIONS AT HI SPEED TRAVEL...126
        PERMISSIBLE WATER DEPTH...126
      PRECAUTIONS WHEN TRAVELING ON HILLS...127
        BRAKING WHEN TRAVELING DOWNHILL...127
        IF SHOES SLIP...127
        IF ENGINE STOPS...127
        PRECAUTIONS ON SLOPES...127
      HOW TO ESCAPE FROM MUD...128
        WHEN ONE SIDE IS STUCK...128
        WHEN BOTH SIDES ARE STUCK...128
      PARKING MACHINE...129
      CHECK AFTER FINISHING WORK...131
      STOPPING ENGINE...131
      CHECK AFTER STOPPING ENGINE...131
      LOCKING...132
    TRANSPORTATION...133
      TRANSPORTATION PROCEDURE...133
      LOADING, UNLOADING WORK ON TRAILERS...133
        LOADING...134
        SECURING MACHINE...135
        UNLOADING...137
      TRACK FRAME GAUGE...140
        REDUCING TRACK GAUGE...140
        INCREASING TRACK GAUGE...140
    COLD WEATHER OPERATION...142
      PRECAUTIONS FOR LOW TEMPERATURE...142
        FUEL AND LUBRICANTS...142
        COOLANT...142
        BATTERY...143
      PRECAUTIONS AFTER COMPLETION OF WORK...144
      AFTER COLD WEATHER...144
    LONG TERM STORAGE...145
      BEFORE STORAGE...145
      DURING STORAGE...145
      AFTER STORAGE...145
      MACHINE START AFTER LONG TERM STORAGE...146
    TROUBLESHOOTING...147
      PHENOMENA THAT ARE NOT FAILURES...147
      METHOD OF TOWING DISABLED MACHINE...147
      USING MACHINE FOR LIGHT WEIGHT TOWING...147
      PRECAUTIONS ON PARTICULAR JOB SITES...147
      DISCHARGED BATTERY...148
        REMOVING AND INSTALLING BATTERY...148
        PRECAUTIONS FOR CHARGING BATTERY...148
        STARTING ENGINE WITH BOOSTER CABLE...149
      OTHER TROUBLE...151
        ELECTRICAL SYSTEM...151
        CHASSIS...152
        ENGINE...153
        ELECTRONIC CONTROL SYSTEM...154
  MAINTENANCE...156
    GUIDES TO MAINTENANCE...157
    OUTLINES OF SERVICE...159
      OUTLINE OF OIL, FUEL, COOLANT...159
        OIL...159
        FUEL...159
        COOLANT...160
        GREASE...160
        STORING OIL AND FUEL...160
        FILTERS...160
        RELATING TO ELECTRICAL SYSTEM...160
      OUTLINE OF HYDRAULIC SYSTEM...161
    WEAR PARTS LIST...162
    USE OF FUEL, COOLANT AND LUBRICANTS...163
      PROPER SELECTION OF FUEL, COOLANT AND LUBRICANTS...163
        ABBREVIATIONS...163
      ENGINE OIL SPECIFICATIONS...164
        NORMAL OPERATION...164
        ARCTIC OPERATION...164
      DAMPER CASE, SWING MACHINERY CASE, TRACK FRONT IDLERS, TRACK ROLLERS, TOP CARRIER ROLLERS AND HYD...165
      FINAL DRIVE OIL SPECIFICATIONS...165
      FUEL SYSTEM...165
      COOLING SYSTEM...166
        GENERAL...166
        WATER...166
        ANTIFREEZE...166
        INHIBITORS/CONDITIONERS...167
    STANDARD TIGHTENING TORQUES...171
      INTRODUCTION OF NECESSARY TOOLS...171
      BOLT IDENTIFICATION CHART...172
    PERIODIC REPLACEMENT OF CRITICAL PARTS...173
    MAINTENANCE SCHEDULE CHART...174
    SERVICE PROCEDURE...176
      INITIAL 250 HOURS SERVICE...176
        FUEL FILTER CARTRIDGE...176
      WHEN REQUIRED...177
        CHECK, CLEAN OR REPLACE AIR CLEANER ELEMENT...177
        DRAIN, FLUSH AND REFILL COOLING SYSTEM...179
        CHECK AND TIGHTEN TRACK SHOE BOLTS...184
        CHECK AND ADJUST TRACK TENSION...184
        CHECK ELECTRICAL INTAKE AIR HEATER...186
        CHECK WINDOW WASHER FLUID, ADD FLUID...186
        CHECK, MAINTAIN AIR CONDITIONER...187
        CLEAN IN LINE FILTERS...188
      CHECK BEFORE STARTING...189
        CHECK COOLANT LEVEL, ADD COOLANT...189
        CHECK ENGINE OIL LEVEL, ADD OIL...189
        CHECK FUEL LEVEL, ADD FUEL...190
        CHECK OIL LEVEL IN HYDRAULIC TANK, ADD OIL...190
        CHECK AIR CLEANER FOR CLOGGING...191
        CHECK ELECTRIC WIRING...191
        CHECK FUNCTION OF HORN...192
        DRAIN WATER FROM THE FUEL WATER SEPARATOR...192
      EVERY 50 HOURS SERVICE...193
        GREASE LUBRICATION...193
        DRAIN WATER AND SEDIMENT FROM FUEL TANK...193
      EVERY 100 HOURS SERVICE...194
        PREVIOUS MAINTENANCE...194
        GREASE LUBRICATION...194
        CHECK OIL LEVEL IN SWING MACHINERY CASE, ADD OIL...194
      EVERY 250 HOURS SERVICE...195
        PREVIOUS MAINTENANCE...195
        CHECK OIL LEVEL IN FINAL DRIVE CASE, ADD OIL...195
        CHECK LEVEL OF BATTERY ELECTROLYTE...195
        LUBRICATE SWING CIRCLE (3 POINTS)...196
        CHECK BELT TENSION, ADJUST...196
        AIR CONDITIONER COMPRESSOR BELT TENSION...198
      EVERY 500 HOURS SERVICE...199
        PREVIOUS MAINTENANCE...199
        REPLACE FUEL FILTER CARTRIDGE...199
        REPLACE IN LINE FUEL STRAINER...200
        CHECK SWING PINION GREASE LEVEL, ADD GREASE...200
        CLEAN AND INSPECT RADIATOR AND OIL COOLER...201
        CLEAN AIR CONDITIONER FILTERS...201
        REPLACE HYDRAULIC TANK BREATHER...202
        CHANGE ENGINE OIL, REPLACE FILTER CARTRIDGE...202
        REPLACE HYDRAULIC FILTER ELEMENT...204
        CORROSION RESISTOR...205
      EVERY 1000 HOURS SERVICE...206
        PREVIOUS MAINTENANCE...206
        CHANGE OIL IN SWING MACHINERY CASE...206
        CHECK OIL LEVEL IN DAMPER CASE, ADD OIL...206
        CHECK TIGHTENING PARTS OF TURBOCHARGER...207
        CHECK PLAY OF TURBOCHARGER ROTOR...207
        CHECK DRIVE BELT, TENSIONER BEARING AND FAN HUB...207
      EVERY 2000 HOURS SERVICE...209
        PREVIOUS MAINTENANCE...209
        CHANGE OIL IN FINAL DRIVE CASE...209
        CLEAN HYDRAULIC TANK STRAINER...209
        CLEAN, CHECK TURBOCHARGER...210
        CHECK ALTERNATOR, STARTING MOTOR...210
        CHECK VIBRATION DAMPER...210
        CHECK ENGINE VALVE CLEARANCE, ADJUST...211
      EVERY 4000 HOURS SERVICE...215
        PREVIOUS MAINTENANCE...215
        CHECK WATER PUMP...215
      EVERY 5000 HOURS SERVICE...216
        PREVIOUS MAINTENANCE...216
        CHANGE OIL IN HYDRAULIC TANK...216
        PROCEDURE FOR BLEEDING AIR...217
  SPECIFICATIONS...220
    SPECIFICATIONS AND DIMENSIONS...221
      SPECIFICATIONS...221
      DIMENSIONS...221
  OPTIONS, ATTACHMENTS...224
    GENERAL PRECAUTIONS...225
      PRECAUTIONS RELATED TO SAFETY...225
    SELECTION OF TRACK SHOES...226
CEAM207040 - Hydraulic Excavator PC300LC-5 with KDC 614TA Engine Operation & Maintenance Manual...230
  COVER PAGE...230
  1.  FORWARD ...234
  2.  SAFETY INFORMATION ...235
  3.  INTRODUCTION ...236
  4.  LOCATION OF PLATES, TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR...237
  5.  CONTENTS ...238
  SAFETY...242
    6.  GENERAL PRECAUTIONS ...243
    7.  PRECAUTIONS DURING OPERATION...249
      7.1  BEFORE STARTING ENGINE...249
      7.2  OPERATING MACHINE...251
      7.3  TRANSPORTATION...257
      7.4  BATTERY...258
      7.5  TOWING...259
      7.6  BUCKET WITH HOOK...260
    8.  PRECAUTIONS FOR MAINTENANCE ...262
      8.1  BEFORE CARRYING OUT MAINTENANCE...262
      8.2  DURING MAINTENANCE...265
    9.  POSITION FOR ATTACHING SAFETY LABELS...269
  OPERATION...274
    10.  GENERAL VIEW...275
      10.1  GENERAL VIEW OF MACHINE...275
      10.2  GENERAL VIEW OF CONTROLS AND GAUGES...276
    11.  EXPLANATION OF COMPONENTS...277
      11.1  ELECTRONIC MONITOR AND CONTROL CONSOLE (EMACC)...277
      11.2  METER...286
      11.3  SWITCHES...287
      11.4  CONTROL LEVERS, PEDALS...293
      11.5  CEILING WINDOW...297
      11.6  WINDSHIELD...297
      11.7  DOOR HOLD OPEN LOCK...299
      11.8  CAP, COVER WITH LOCK...299
      11.9  DEFROSTER CONTROL...300
      11.10  STORAGE TRAY...300
      11.11  ASHTRAY...300
      11.12  FUSE...301
      11.13  FUSIBLE LINK...301
      11.14  HANDLING ACCUMULATOR...302
    12.  OPERATION...303
      12.1  CHECK BEFORE STARTING...303
      12.2  STARTING ENGINE...317
      12.3  OPERATIONS AND CHECKS AFTER STARTING ENGINE...320
      12.4  MOVING MACHINE OFF...323
      12.5  STEERING THE MACHINE...324
      12.6  STOPPING THE MACHINE...325
      12.7  SWINGING...326
      12.8  OPERATION OF WORK EQUIPMENT...327
      12.9  WORKING MODE SELECTION...329
      12.10  PROHIBITIONS FOR OPERATION...331
      12.11  PRECAUTIONS FOR OPERATION...334
      12.12  PRECAUTIONS WHEN TRAVELING UP OR DOWN HILLS...335
      12.13  HOW TO ESCAPE FROM MUD...336
      12.14  WORK POSSIBLE USING HYDRAULIC EXCAVATOR...337
      12.15  REPLACEMENT AND INVERSION OF BUCKET...339
      12.16  PARKING MACHINE...340
      12.17  CHECK AFTER FINISHING WORK...341
      12.18  STOPPING ENGINE...341
      12.19  CHECK AFTER STOPPING ENGINE...342
      12.20  LOCKING AND SECURING MACHINE...343
    13.  TRANSPORTATION...344
      13.1  LOADING AND UNLOADING MACHINE...344
      13.2  TRANSPORTING MACHINE...345
      13.3  PRECAUTIONS FOR TRANSPORTATION...346
      13.4  DISASSEMBLING MACHINE FOR TRANSPORT...346
    14.  COLD WEATHER OPERATION...349
      14.1  PRECAUTIONS FOR LOW TEMPERATURE...349
      14.2  PRECAUTIONS AFTER COMPLETION OF WORK...350
      14.3  AFTER COLD WEATHER...350
    15.  LONG-TERM STORAGE...351
      15.1  BEFORE STORAGE...351
      15.2  DURING STORAGE...353
      15.3  AFTER STORAGE...354
      15.4  STARTING MACHINE AFTER LONG-TERM STORAGE...354
    16.  TROUBLESHOOTING...355
      16.1  MOVING A DISABLED MACHINE...355
      16.2  PRECAUTIONS ON PARTICULAR JOBSITES...356
      16.3  IF BATTERY IS DISCHARGED...357
      16.4  STARTING ENGINE WITH BOOSTER CABLE...357
      16.5  OTHER TROUBLE...359
      16.6  PHENOMENA THAT ARE NOT FAILURES...363
  MAINTENANCE...364
    17.  GUIDES TO MAINTENANCE...365
    18.  OUTLINES OF SERVICE...368
      18.1  OUTLINE OF OIL, FUEL, COOLANT...368
      18.2  OUTLINE OF ELECTRICAL SYSTEM...371
      18.3  OUTLINE OF HYDRAULIC SYSTEM...372
    19.  WEAR PARTS LIST...373
    20.  USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE...375
      20.1  PROPER SELECTION OF FUEL, COOLANT AND LUBRICANTS...375
      20.2  ENGINE OIL SPECIFICATIONS...376
      20.3  GREASE SPECIFICATIONS...376
      20.4  DIESEL FUEL SPECIFICATIONS...377
      20.5  COOLANT SPECIFICATIONS...377
    21.  STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS...382
      21.1  STANDARD TIGHTENING TORQUE OF BOLTS AND NUTS...382
      21.2  TIGHTENING TORQUE OF SPLIT FLANGE BOLTS...382
      21.3  TIGHTENING TORQUE FOR NUTS OF FLARED FITTINGS...383
      21.4  UNIT CONVERSIONS...384
    22.  PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS...390
    23.  MAINTENANCE SCHEDULE CHART...391
    24.  SERVICE PROCEDURE...394
      24.1  SEASONAL PREPARATIONS...394
      24.2  AIR CLEANING SYSTEM...395
      24.3  AIR CONDITIONER...399
      24.4  BELTS...400
      24.5  BUCKET...403
      24.6  COOLING SYSTEM...409
      24.7  ELECTRICAL SYSTEM...415
      24.8  ENGINE...418
      24.9  ETHER INJECTOR (IF EQUIPPED)...425
      24.10  FINAL DRIVE...427
      24.11  FUEL SYSTEM...428
      24.12  HYDRAULIC SYSTEM...434
      24.13  LUBRICATION FITTINGS...447
      24.14  PTO CASE...449
      24.15  SEAT BELT...449
      24.16  SWING MACHINERY...450
      24.17  TRACKS...453
      24.18  TURBOCHARGER...455
      24.19  WALK AROUND INSPECTION...457
      24.20  WINDOW WASHER...457
  SPECIFICATIONS...458
    25.  SPECIFICATIONS...459
  OPTIONS & ATTACHMENTS...462
    26. GENERAL PRECAUTIONS...463
      26.1  PRECAUTIONS RELATED TO SAFETY...463
      26.2  PRECAUTIONS WHEN INSTALLING ATTACHMENTS...464
    27.  HANDLING BUCKET WITH HOOK...465
      27.1  CHECK FOR DAMAGE TO BUCKET WITH HOOK...465
      27.2  PROHIBITED OPERATIONS...465
      27.3  PRECAUTIONS DURING OPERATIONS...465
    28.  OPERATING AIR CONDITIONER...466
      28.1  CONTROL PANEL...466
      28.2  COOLING...467
      28.3  HEATING...468
      28.4  DEHUMIDIFY AND HEATING...469
    29.  RADIO...470
      29.1  OPERATION...470
      29.2  CARE AND MAINTENANCE...470
      29.3  TROUBLESHOOTING...470
    30.  OPTIONAL ELECTRICAL EQUIPMENT...471
      30.1  INSTALLATION OF OPTIONAL ELECTRICAL EQUIPMENT...471
      30.2  INSTALLATION OF ADDITIONAL LAMPS...472
    31.  INTRODUCTION OF ATTACHMENTS...473
      31.1  BUCKET SELECTION...473
      31.2  BUCKET TEETH SELECTION...473
      31.3  BUCKET INSTALLATION COMBINATIONS...474
      31.4  SELECTION OF TRACK SHOES...475
      31.5  USING THE EXTENSION ARM...476
      31.6  HANDLING THE CLAMSHELL BUCKET...476
    32.  EXTENDING MACHINE SERVICE LIFE...477
      32.1  HYDRAULIC BREAKER...477
      32.2  CRUSHER...480
      32.3  GRAPPLE...481
      32.4  BUCKET WITH THUMB GRAPPLE...482
      32.5  ROTATING GRAPPLE...483
      32.6  SHEAR...484
      32.7  HYDRAULIC PILE DRIVER...485
      32.8  HYDRAULIC EXCAVATOR WITH MULTI-PURPOSE CRANE...486
CEBM002901 - Hydraulic Excavator PC300LC-6, PC300HD-6 Shop Manual...489
  COVER...489
  CONTENTS...490
  00 FORWARD...497
    SAFETY...498
    GENERAL...500
    HOW TO READ THE SHOP MANUAL...501
    HOISTING INSTRUCTIONS...502
    COATING MATERIALS...503
    STANDARD TIGHTENING TORQUE...505
    ELECTRIC WIRE CODE...509
    CONVERSION TABLES...510
    METHOD OF USING THE CONVERSION TABLE...510
  01 GENERAL...516
    SPECIFICATION DRAWINGS...517
    SPECIFICATIONS...521
    WEIGHT TABLE...523
    FUEL COLLANT AND LUBRICANTS...525
  10 STRUCTURE AND FUNCTION...532
    PARTS RELATED TO ENGINE...533
    RADIATOR, OIL COOLER...536
    POWER TRAIN...539
    FINAL DRIVE...540
    SWING CIRCLE...545
    SWING MACHINERY...546
    TRACK FRAME, RECOIL SPRING...549
    TRACK SHOE...552
    HYDRAULIC PIPING DRAWING...553
    HYDRAULIC CIRCUIT DIAGRAM...555
    HYDRAULIC TANK AND FILTER...556
    HYDRAULIC PUMP...557
    CONTROL VALVE...577
    SELF REDUCING PRESURE VALVE...585
    SUCTION SAFETY VALVE...590
    CLSS...592
    SWING MOTOR...635
    CENTER SWIVEL JOINT...639
    TRAVEL MOTOR...640
    VALVE CONTROL...658
    WORK EQUIPMENT PPC VALVE...659
    TRAVEL PPC VALVE...663
    PPC SAFETY LOCK VALVE...669
    PPC ACCUMULATOR...670
    PPC SHUTTLE VALVE, TRAVEL JUNCTION VALVE...671
    LS-EPC VALVE...678
    SOLENOID VALVE...681
    BOOM HOLDING VALVE...683
    WORK EQUIPMENT...686
    AIR CONDITIONER...687
    ELECTRICAL WIRING SCHEMATIC...688
    ELECTRICAL WIRING DIAGRAM...689
    ENGINE CONTROL...692
    ELECTRONIC CONTROL SYSTEM...699
    MACHINE MONITOR CONTROL...722
  20 TESTING AND ADJUSTING...732
    TESTING AND ADJUSTING...732
      STANDARD VALUE TABLE FOR ENGINE...733
      STANDARD VALUE TABLE FOR CHASSIS RELATED PARTS...734
      STANDARD VALUE TABLE FOR ELECTRICAL PARTS...739
      TOOLS FOR TESTING, ADJUSTING AND TROUBLESHOOTING...745
      MEASURING ENGINE SPEED...746
      INTAKE MAIFOLD PRESSURE...747
      INTAKE AIR RESTRICTION...747
      LUBRICATING OIL PRESSURE...747
      FUEL [FILTER] INLET RESTRICTION...747
      BLOW BY PRESSURE...748
      ENGINE BACK PRESSURE...748
      COOLANT TEMPERATURE...748
      VALVE CLEARANCE...748
      MEASURING EXHAUST COLOR...749
      GOVERNOR MOTOR LEVER STROKE...750
      WORK EQUIPMENT, SWING, TRAVEL CIRCUIT...751
      TVC VALVE OUTPUT PRESSURE...754
      LS VALVE OUTPUT PRESSURE...756
      LS DIFFERENTIAL PRESURE...756
      CONTROL CIRCUIT OIL PRESSURE...759
      SOLENOID VALVE OUTPUT PRESSURE...760
      PPC VALVE OUTPUT PRESSURE AND PPC SHUTTLE VALVE...763
      WORK EQUIPMENT, SWING PPC VALVE...765
      TRAVEL DEVIATION...766
      HYDRAULIC DRIFT OF WORK EQUIPMENT...767
      MEASURING OIL LEAKAGE...769
      RELEASING REMAINING PRESSURE...772
      SWING CIRCLE BEARING...773
      WEAR OF SPROCKET...774
      TRACK SHOE TENSION...775
      BLEEDING AIR...776
      TROUBLESHOOTING...779
    TESTING AND ADJUSTMENT...744
      TOOLS FOR TESTIN, ADJUSTING AND TROUBLESHOOTING...745
      MEASURING ENGINE SPEED...746
      INTAKE MANIFOLD PRESSURE...747
      INTAKE AIR RESTRICTION...747
      LUBRICATING OIL PRESSURE...747
      FUEL [FILTER] INLET RESTRICTION...747
      BLOW BY PRESSURE...748
      ENGINE BACK PRESSURE...748
      COOLANT TEMPERATURE...748
      VALVE CLEARANCE...748
      MEASURING EXHAUST COLOR...749
      GOVERNOR MOTOR LEVER STROKE...750
      WORK EQUIPMENT, SWING, TRAVEL CIRCUIT...751
      TVC VALVE OUTPUT PRESSURE...754
      LS VALVE OUTPUT PRESSURE AN DLS DIFFERENTIAL PRESSURE...756
      CONTROL CIRCUIT OIL PRESSURE...759
      SOLENOID VALVE OUPUT PRESSURE...760
      PPC VALVE OUTPUT PRESSURE AND PPC SHUTTLE VALVE...763
      WORK EQUIPMENT, SWING PPC VALVE...765
      TRAVEL DEVIATION...766
      LOCATIONS CAUSING HYDRAULIC DRIFT OF WORK EQUIPMENT...767
      MEASURING OIL LEAKAGE...769
      RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT...772
      TESTING CLEARANCE OF SWING CIRCLE BEARING...773
      WEAR OF SPROCKET...774
      TRACK SHOE TENSION...775
      BLEEDING AIR...776
    TROUBLESHOOTING...779
      POINTS TO REMEMBER WHEN TROUBLESHOOTING...780
      SEQUENCE OF EVENTS IN TROUBLESHOOTING...781
      POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE...782
      CHECKS BEFORE TROUBLSHOOTING...791
      CONNECTOR TYPES AND MOUNTING LOCATIONS...792
      CONNECTION TABLE FOR CONNECTOR PIN NUMBERS...795
      EXPLANATION OF CONTROL MECHANISM FOR ELECTRICAL SYSTEM...805
      DISPLAY METHOD AND SPECIAL FUNCTION OF MONITORING PANEL...806
      METHOD OF USING JUDGEMENT TABLE...814
      METHOD OF USING TROUBLSHOOTING CHARTS...816
      DETAILS OF TROUBLESHOOTING AND TROUBLESHOOTING PROCEDURE...819
      SERVICE CODE TABLE...823
    TROUBLESHOOTING OF COMMUNICATION ABNORMALITY SYSTEM N MODE...824
      N-1 [E218]  COMMUNICATION ABNORMALITY...825
    TROUBLESHOOTING OF GOVERNOR, PUMP CONTROLLER GOVEROR CONTROL SYSTEM E MODE...827
      POINTS TO REMEMBER...828
      ACTIONS TAKEN...829
      JUDGEMENT TABLE...831
      ELECTRICAL CIRCUIT DIAGRAM FOR E MODE SYSTEM...832
      E-1  ABNORMAILITY IN GOVERNOR, PUMP CONTROLLER POWER SOURCE, CONTROLLER LED IS OFF...833
      E-2  [E308]  ABNORMALITY IN FUEL CONTROL DIAL INPUT VALUE IS DISPLAYED...834
      E-3  [E317]  ABNORMALITY, DISCONNECTION IN MOTOR DRIVE SYSTEM IS DISPLAYED...835
      E-4  [E318]  ABNORMALITY, SHORT CIRCUIT IN MOTOR DRIVE SYSTEM IS DISPLAYED...836
      E-5  [E306]  ABNORMALITY IN FEEDBACK POTENTIOMETER SYSTEM IS DISPLAYED...837
      E-6  [E315]  ABNORMALITY, SHORT CIRCUIT IN BATTERY RELAY OUTPUT SYSTEM IS DISPLAYED...838
      E-7  [E316]  ABNORMALITY, STEP OUT IN MOTOR DISPLAYED...839
      E-8  ENGINE DOES NOT START...840
      E-9  ENGINE SPEED IS IRREGULAR...842
      E-10  LACK OF OUTPUT, ENGINE HIGH IDLE SPEED IS TO LOW...844
      E-11  ENGINE DOES NOT STOP...845
      E-12  DEFECTIVE OPERATION OF BATTERY RELAY SYSTEM, ENGINE DOES NOT STOP...846
    TROUBLESHOOTING OF ENGINE SYSTEM S MODE...848
      METHOD OF USING CHARTS...849
      S-1  STARTING PERFORMANCE IS POOR, STARTING ALWAYS TAKES TIME...853
      S-2  ENGINE DOES NOT START...854
      S-3  ENGINE DOES NOT PICK UP SMOOTHLY, FOLLOW UP IS POOR...857
      S-4  ENGINE STOPS DURING OPERATION...858
      S-5  ENGINE DOES NOT ROTATE SMOOTHLY, HUNTING...859
      S-6  ENGINE LACKS OUTPUT, NO POWER...860
      S-7  ENGINE SMOKE IS BLACK, INCOPLETE COMBUSTION...861
      S-8  OIL CONSUMPTIONIS EXCESSIVE, OR EXHAUST SMOKE IS BLUE...862
      S-9  OIL BECOMES CONTAMINATED QUICKLY...862
      S-1O  FUEL CONSUMPTION IS EXCESSIVE...862
      S-11  OIL IS IN COOLANT, OR COOLANT SPURTS BACK, OR COOLANT LEVEL GOES DOWN...862
      S-12  OIL PRESSURE CAUTION LAMP LIGHTS UP, DROP IN OIL PRESSURE...862
      S-13  OIL LEVEL RISES; COOLANT, FUEL IN OIL...863
      S-14  COOLANT TEMPERATURE BECOMES TOO HIGH; OVERHEATING...864
      S-15 ABNORMAL NOISE IS MADE...865
      S-16  VIBRATION IS EXCESSIVE...866
    TROUBLESHOOTING OF GOVERNOR, PUMP CONTROLLER, PUMP CONTROL SYSTEM C MODE...867
      POINTS TO REMEMBER...868
      ACTIONS TAKEN BY CONTROLLER...869
      JUDGEMENT TABLE...873
      ELECTRICAL CIRCUIT DIAGRAM FOR C MODE...874
      C-1  ABNORMALITY IN CONTROLLER POWER SOURCE SYSTEM, CONTROLLER LED IS OFF...876
      C-2  [E232]  SHORT CIRCUIT IN FRONT PUMP TVC SOLENOID SYSTEM IS DISPLAYED...877
      C-3  [E233]  DISCONNECTION IN FRONT PUMP TVC SOLENOID IS DISPLAYED...878
      C-4  [E236]  SHORT CIRCUIT IN REAR PUMP TVC SOLENOID SYSTEM IS DISPLAYED...879
      C-5  [E237]  DISCONNECTION IN REAR PUMP TVC SOLENOID SYSTEM IS DISPLAYED...880
      C-6  [E207]  SHORT CIRCUIT IN LS SELECT SOLENOID SYSTEM IS DISPLAYED...881
      C-7  [E208]  DISCONNECTION IN ACTIVE MODE, BOOM, SOLENOID SYSTEM IS DISPLAYED...883
      C-8  [E203]  SHORT CIRCUIT IN SWING BRAKE SOLENOID SYSTEM IS DISPLAYED...884
      C-9  [E213]  DISCONNECTION IN SWING BRAKE SOLENOID SYSTEM IS DISPLAYED...885
      C-10  [E204]  SHORT CIRCUIT IN PUMP MERGE DIVIDER SOLENOID SYSTEM IS DISPLAYED...886
      C-11  [E214]  DISCONNECTION IN PUMP MERGE DIVIDER SOLENOID SYSTEM IS DISPLAYED...887
      C-12  [E206]  SHORT CIRCUIT IN TRAVEL SPED SOLENOIDSYSTEM IS DISPLAYED...888
      C-13  [E216]  DISCONNECTION IN TRAVEL SPEED SELECTOR SOLENOID SYSTEM IS DISPLAYED...889
      C-14  [E217]  SHORT CIRCUIT IN ACTIVE MODE, SWING, SOLENOID SYSTEM IS DISPLAED...890
      C-15  [E235]  DISCONNECTION IN ACTIVE MODE, SWING, SOLENOID SYSTEM IS DISPLAYED...891
      C-16  [E217]  MODEL SELECTION INPUT ERROR IS DISPLAYED...892
      C-17  [E222]  SHORT CIRCUIT IN LS-EPC SOLENOID SYTEM IS DISPLAYED...894
      C-18  [E223]  DISCONNECTION IN LS-EPC SOLENOID SYSTEM IS DISPLAYED...895
      C-19  [E224]  ABNORMALITY IN FRONT PUMP PRESSURE SENSOR SYSTEM IS DISPLAYED...896
      C-20  [E225]  ABNORMALITY IN REAR PUMP PRESSURE SENSOR SYSTEM IS DISPLAYED...897
      C-21  [E226]  ABNORMALITY IN PRESSURE SENSOR POWER SOURCE SYSTEM IS DISPLAYED...898
      C-22  [E227]  ABNORMALITY IN ENGINE SPEED SENSOR SYSTEM IS DISPLAYED...899
      C-23  ABNORMALITY IN MACHINE PUSH UP SOLENOID SYSTEM , NO SERVICE CODE DISPLAYED...900
    TROUBLESHOOTING OF GOVERNOR, PUMP CONTROLLER, INPUT SIGNAL SYSTEM F MODE...902
      ELECTRIC CIRCUIT DIAGRAM FOR F MODE...904
      F-1  BIT PATTERN 20-[1]  SWING OIL PRESSURE SWITCH DOES NOT LIGHT UP...905
      F-2  BIT PATTERN 20-[2]  TRAVEL OIL PRESSURE SWITCH DOES NOT LIGHT UP...906
      F-3  BIT PATTERN 20-[3]  BOOM LOWER OIL PRESSURE SWITCH DOES NOT LIGHT UP...907
      F-4  BIT PATTERN 20-[4]  BOOM RAISE OIL PRESSURE SWITCH DOES NOT LIGHT UP...908
      F-5  BIT PATTERN 20-[5]  ARM IN OIL PRESSURE SWITCH DOES NOT LIGHT UP...909
      F-6  BIT PATTERN 20-[6]  ARM OUT OIL PRESSURE SWITCH DOES NOT LIGHT UP...910
      F-7  BIT PATTERN 21-[1]  BUCKET CURL OIL PRESSURE SWITCH DOES NOT LIGHT UP...911
      F-8  BIT PATTERN 21-[2]  BUCKET DUMP OIL PRESSURE SWITCH DOES NOT LIGHT UP...912
      F-9  BIT PATTERN 21-[3]  SWING LOCK SWITCH DOES NOT LIGHT UP...913
      F-10  BIT PATTERN 22-[5]  MODE CONNECTION DOES NOT LIGHT UP...914
      F-11  BIT PATTERN 22-[6]  LEFT KNOB SWITCH DOES NOT LIGHT UP...915
    TROUBLESHOOTING OF MACHINE MECHANICAL SYSTEM H MODE...916
      PUMP MERGE DIVIDER LOGIC...917
      SOLENOID ACTUATION TABLE...917
      TABLE OF FAILURE MODES AND CAUSES...918
      H-1  SPEEDS OF ALL WORK EQUIPMENT, SWING, TRAVEL ARE SLOW OR LACK POWER...920
      H-2  THERE IS EXCESSIVE DROP IN ENGINE SPEED, OR ENGINE STALLS...921
      H-3  NO WORK EQUIPMENT, TRAVEL, SWING MOVEMENT...921
      H-4  ABNORMAL NOISE GENERATED AROUND PUMP...922
      H-5  AUTO DECELERATION DOES NOT WORK, WHEN PPC SHUTTLE VALVE IS CAUSE...922
      H-6  FINE CONTROL ABILITY IS POOR OR RESPONSE IS POOR...922
      H-7  BOOM IS SLOW OR LACKS POWER...923
      H-8  ARM IS SLOW OR LACKS POWER...924
      H-9  BUCKET IS SLOW OR LACKS POWER...925
      H-10  WORK EQUIPMENT; BOOM, ARM, BUCKET, DOES NOT MOVE, BUT TRAVEL AND SWING ARE NORMAL...926
      H-11  EXCESSIVE HYDRAULIC DRIFT, BOOM, ARM, BUCKET...926
      H-12  EXCESSIVE TIME LAG, ENGINE AT LOW IDLING...927
      H-13  OTHER EQUIPMENT MOVES WHEN SINGLE CIRCUIT IS RELIEVED...927
      H-14  IN L/O, F/O MODES, WORK EQUIPMENT SPEED IS FASTER THAN SPECIFIED SPEE...928
      H-15  MALFUNCTION OF MACHINE PUSH UP FUNCTION...928
      H-16  IN COMPOUND OPERATIONS, WORK EQUIPMENT WITH LARGER LOAD IS SLOW...928
      H-17 IN SWING PLUS BOOM RAISE, BOOM RAISE IS SLOW...929
      H-18  IN SWING PLUS ARM, ARM IS SLOW...929
      H-19  IN SWING PLUS TRAVEL, TRAVEL SPEED DROPS EXCESSIVELY...929
      H-20  TRAVEL DEVIATION...930
      H-21  TRAVEL SPEED IS LOW...932
      H-22  STEERING DOES NOT TURN EASILY OR LACKS POWER...933
      H-23  TRAVEL SPEED DOES NOT SWITCH OR IS FASTER THAN SPECIFIED SPEED...934
      H-24  TRAVEL DOES NOT MOVE, ONE SIDE ONLY...934
      H-25  DOES NOT SWING...935
      H-26  SWING ACCELERATION IS POOR OR SWING SPEED IS SLOW...936
      H-27  EXCESSIVE OVERRUN WHEN STOPPING SWING...937
      H-28  EXCESSIVE SHOCK WHEN STOPPING SWING, ONE DIRECTION ONLY...938
      H-29  EXCESSIVE ABNORMAL NOISE WHEN STOPPING SWING...938
      H-30  EXCESSIVE HYDRAULIC DRIFT OF SWING...939
      H-31  SWING SPEED IS FASTER THAN SPECIFIED SWING SPEED...939
    TROUBLESHOOTING OF MACHINE MONITOR SYSTEM M MODE...940
      ACTIONS TAKEN BY MONITOR PANEL WHEN ABNORMALITY OCCURS AND PROBLEMS ON MACHINE...940
      ELECTRIC CIRCUIT DIAGRAM FOR M MODE...943
      M-1  [E101]  ABNORMALITY IN ERROR DATA IS DISPLAYED...944
               [E101]  ERROR IN CLOCK DATA IS DISPLAYED...944
      M-2  [E103]  SHORT CIRCUIT IN BUZZER OUTPUT OR 24V WIRING HARNESS CONTACKT WITH BUZZERNESS IS DISPLAYED...945
      M3  [E104]  AIR CLEANER RESTRICTION DETECTED IS DISPLAYED...946
      M4  [E106]  DROP IN ENGINE OIL HI PRESSURE DETECTED IS DISPLAYED...946
      M5  [E108]  ENGINE COOLANT TEMPERATURE 1O5 DEGREES CELS DETECTED IS DISPLAYEDIUS...946
      M-6  WHEN START SWITCH IS TURNED ON, NO LAMPS ON MONITOR PANEL LIGHT UP FOR THREE SECONDS...947
      M-7  WHEN START SWITCH IS TURNED ON, MONITOR PANEL LAMPS ALL STAY ILLUMINATED AND DO NOT GO OUT...949
      M-8  WHEN START SWITCH IS TURNED ON, ITEMS ILLUMINATED ON MONITOR PANEL ARE DIFFERENT FROM ACTUAL MACHINE...949
      M-9  WHEN START SWITCH IS TURNED ON, ENGINE STOPPED, BASIC CHECK ITEMS FLASH...950
      M-10  PREHEATING IS NOT USED, BUT MONITOR PANEL LIGHTS UP...953
      M-11  WHEN START SWITCH IS TURNED ON AND ENGINE IS STARTED, BASIC CHECK ITEMS FLASH...954
      M-12  WHEN START SWITCH IS TURNED ON, ENG. SPEED, CAUTION ITEMS, EMERGENCY ITEMS FLASH.  BATTERY ENG. OIL PRESSURE LAMPS DO NOT ...956
      M-13  WHEN START SWITCH IS TURNED ON AND ENG. IS STARTED, CAUTION ITEMS, EMERGENCY ITEMS FLASH, WHEN THERE IS NO ABNORMALTY IN E...958
      M-14  WHEN START SWITCH IS TURNED ON, ENG. STOPPED, BUZZER DOES NOT SOUND FOR ONE SECOND, CAUTION ITEMS FLASH BUT DO NOT SOUND...961
      M-15  NO ABNORMALITY IS DISPLAYED ON MONITOR PANEL BUT BUZZER SOUNDS...962
      M-16  NIGHT LIGHT ON MONITOR PANEL DOES NOT LIGHT UP, LIQUID CRYSTAL DISPLAY IS NORMAL...963
      M-17  COOLANT TEMPERATURE GAUGE DOES NOT RISE...964
      M-18  COOLANT TEMPERATURE GAUGE DOES NOT GIVE ANY DISPLAY, NO GUAGE LAMPS LIGH UP DURING OPERATION...965
      M-19  FUEL LEVEL GUAGE ALWAYS DISPLAYS FULL...966
      M-20  FUEL LEVEL GUAGE DOES NOT GIVE DISPLAY...967
      M-21  SWING LOCK SWITCH IS TURNED ON, BUT MONITOR PANEL DOES NOT LIGHT ...968
      M-22  SWING PROLIX SWITCH IS TURNED ON, BUT MONITOR PANEL DOES NOT FLASH...969
      M-23  SERVICE METER DOES NOT ADVANCE WHIL ENGINE IS RUNNING...970
      M-24  WHEN START SWITCH IS AT OFF AND TIME SWITCH IS PRESSED, TIME AND SERVICE METER ARE NOT DISPLAYED...970
      M-25  DEFECTIVE FUEL LEVEL SENSOR SYSTEM...971
      M-26  DEFECTIVE COOLANT TEMPERATURE SENSOR SYSTEM...972
      M-27  DEFECTIVE ENGINE OIL LEVEL SENSOR SYSTEM...973
      M-28  DEFECTIVE COOLANT LEVEL SENSOR SYSTEM...974
      M-29  DEFECTIVE HYDRAULIC OIL LEVEL SENSOR SYSTEM...975
      M-30  WIPER DOES NOT WORK OR SWITCH IS NOT BEING USED BUT WIPER IS ACTUATED [INCLUDE E112, E113]...976
      M-31  WIPER DOES NOT WORK OR SWITCH IS NOT BEING USED BUT WASHER MOTOR IS ACTUATED [INCLUDEE114]...980
  30 DISASSEMBLY AND ASSEMBLY...982
    METHOD OF USING MANUAL...983
    PRECAUTIONS...985
    SPECIAL TOOL LIST...988
    SKETCHES OF SPECIAL TOOLS...995
    ENGINE COMPONENTS...1003
    GOVERNOR MOTOR...1006
    OIL COOLER...1007
    RADIATOR, OIL COOLER...1008
    ENGINE, MAIN PUMP...1010
    DAMPER...1014
    FUEL TANK...1015
    CENTER SWIVEL JOINT...1016
    FINAL DRIVE - PC300LC-6...1018
    FINAL DRIVE - PC300HD-6...1029
    TRAVEL MOTOR - PC300LC-6...1040
    TRAVEL MOTOR - PC300HD-6...1053
    SPROCKET...1066
    SWING MOTOR...1067
    SWING MACHINERY...1077
    REVOLVING FRAME...1086
    SWING CIRCLE...1088
    IDLER AND RECOIL SPRING- PC300LC-6...1089
    IDLER AND RECOIL SPRING - PC300HD-6...1090
    IDLER - PC300LC-6...1091
    IDLER - PC300HD-6...1094
    RECOIL SPRING...1098
    TRACK ROLLER...1100
    CARRIER ROLLER...1105
    TRACK CHAIN...1110
    HYDRAULIC TANK...1111
    MAIN PUMP...1113
    MAIN PUMP OIL SEAL...1140
    CONTROL VALVE...1141
    PUMP MERGE DIVIDER VALVE...1155
    PRESSURE COMPENSATION VALVE...1156
    FRONT PUMP SERVO VALVE...1157
    REAR PUMP SERVO VALVE...1158
    LS-EPC SOLENOID VALVE...1159
    SOLENOID VALVE...1160
    WORK EQUIPMENT PPC VALVE...1161
    TRAVEL PPC VALVE...1163
    PPC SHUTTLE VALVE...1165
    BOOM LOCK VALVE...1168
    BOOM CYLINDER...1170
    ARM CYLINDER...1172
    BUCKET CYLINDER...1173
    HYDRAULIC CYLINDER...1175
    WORK EQUIPMENT...1185
    BUCKET...1187
    ARM...1189
    BUCKET AND ARM...1191
    BOOM...1193
    OPERATORS CAB...1195
    COUNTERWEIGHT...1197
    COMPRESSOR...1198
    CONDENSER...1199
    RECEIVER TANK...1200
    AIR CONDITIONER UNIT...1201
    GOVERNOR, PUMP CONTROLLER...1203
    MONITOR PANEL...1204
    CONTROL STAND CASE...1205
  40 MAINTENANCE STANDARD...1207
    ENGINE MOUNT...1208
    SWING MACHINERY...1212
    SWING CIRCLE...1214
    FINAL DRIVE - PC300LC-6...1216
    FINAL DRIVE - PC300HC-6...1218
    TRACK FRAME AND RECOIL SPRING...1220
    IDLER - PC300LC-6...1222
    IDLER - PC300HD-6...1224
    CARRIER ROLLER...1226
    TRACK ROLLER - PC300LC-6...1228
    TRACK ROLLER - PC300HD-6...1229
    TRACK SHOE...1230
    HYDRAULIC PUMP...1235
    CONTROL VALVE...1236
    SELF REDUCING PRESSURE VALVE...1243
    SUCTION SAFETY VALVE...1244
    SWING MOTOR...1245
    TRAVEL MOTOR - PC300LC-6...1246
    TRAVEL MOTOR - PC300HD-6...1247
    WORK EQUIPMENT - SWING PPC VALVE...1248
    TRAVEL PPC VALVE...1249
    SERVICE PPC VALVE...1250
    PPC SHUTTLE VALVE, TRAVEL JUNCTION VALVE...1251
    LS-EPC VALVE...1252
    SOLENOID VALVE...1253
    CENTER SWIVEL JOINT...1254
    BOOM HOLDING VALVE...1255
    HYDRAULIC CYLINDER...1256
    WORK EQUIPMENT...1258
    DIMENSIONS OF WORK EQUIPMENT...1260
  90 OTHER...1264
    FOLDOUT 1 HYDRAULIC SCHEMATIC...1264
    FOLDOUT 2 ELECTRICAL WIRING SCHEMATIC (2/3)...1268
    FOLDOUT 3 ELECTRICAL WIRING SHCEMATIC (3/3)...1272
CEBM009500 - Logging Excavator PC300LL-6 avance Shop Manual...1275
  COVER...1275
  CONTENTS...1276
  FOREWORD...1279
    SAFETY...1279
      SAFETY NOTICE...1279
        IMPORTANT SAFETY NOTICE...1279
        GENERAL PRECAUTIONS...1279
        PREPARATIONS FOR WORK...1279
        PRECAUTIONS DURING WORK...1279
    GENERAL...1281
    HOW TO READ THE SHOP MANUAL...1282
      VOLUMES...1282
      DISTRIBUTION AND UPDATING...1282
      FILING METHOD...1282
      REVISED EDITION MARK...1282
      REVISIONS...1282
      SYMBOLS...1282
    HOISTING INSTRUCTIONS...1283
      HOISTING...1283
      WIRE ROPES...1283
    COATING MATERIALS...1284
    STANDARD TIGHTENING TORQUE...1286
      STANDARD TIGHTENING TORQUE OF BOLTS AND NUTS...1286
      TIGHTENING TORQUE OF HOSE NUTS...1287
      TIGHTENING TORQUE OF SPLIT FLANGE BOLTS...1287
      TIGHTENING TORQUE FOR FLARED NUTS...1287
      ALTERNATIVE FASTENERS...1288
        BOLT IDENTIFICATION CHART...1288
        GRADE 5 AND 8 NON PHOSPHATE COATED HARDWARE...1289
        GRADE 8 PHOSPHATE COATED HARDWARE...1290
        STANDARD METRIC FASTENERS...1290
        HYDRAULIC TUBES AND FITTINGS...1291
        HOSE CLAMPS...1291
        SPLIT FLANGE CONNECTIONS...1291
    ELECTRIC WIRE CODE...1292
      CLASSIFICATION BY THICKNESS...1292
      CLASSIFICATION BY COLOR AND CODE...1292
    CONVERSION TABLES...1293
      METHOD OF USING THE CONVERSION TABLE...1293
  01 GENERAL...1276
    GENERAL ASSEMBLY DRAWING...1300
      PC300LL-6...1300
    SPECIFICATIONS...1302
      PC300LL-6...1302
    WEIGHT TABLE...1303
  10 STRUCTURE AND FUNCTION...1305
    SWING CIRCLE...1306
    SWING MACHINERY...1307
    TRACK FRAME • RECOIL SPRING...1308
    SWING MOTOR...1309
      KMF160ABE-3...1309
      SUCTION-SAFETY VALVE...1311
      SWING BRAKE...1312
    CAB RISER AND RELATED PARTS...1313
  30 DISASSEMBLY AND ASSEMBLY...1317
    SWING MOTOR...1318
      REMOVAL...1318
      INSTALLATION...1318
      DISASSEMBLY...1319
      ASSEMBLY...1321
    SWING MACHINERY...1328
      REMOVAL...1328
      INSTALLATION...1328
      DISASSEMBLY...1329
      ASSEMBLY...1332
    REVOLVING FRAME...1337
      REMOVAL...1337
      INSTALLATION...1338
    SWING CIRCLE...1339
      REMOVAL...1339
      INSTALLATION...1339
    IDLER AND RECOIL SPRING...1340
      REMOVAL...1340
      INSTALLATION...1340
    RECOIL SPRING...1341
      DISASSEMBLY...1341
      ASSEMBLY...1342
    COUNTERWEIGHT...1343
      REMOVAL...1343
      INSTALLATION...1343
  40 MAINTENANACE STANDARD...1345
    SWING MACHINERY...1346
    SWING CIRCLE...1347
    SWING MOTOR...1348
      KMF160ABE 3...1348
CEBM018703 - Hydraulic Excavator PC300LC-8, PC300HD-8 Shop Manual...1351
  CEBM018703 - PC300LC/HD-8...1351
    CONTENTS...1352
    REVISED PAGES...1353
    SAFETY...1363
      Safety Notice...1363
        IMPORTANT SAFETY NOTICE...1363
        General Precautions...1363
        Preparations For Work...1363
        Precautions During Work...1363
    GENERAL...1365
    HOW TO READ THE SHOP MANUAL...1366
      Volumes...1366
      Distribution and Updating...1366
      Filing Method...1366
      Revised Edition Mark...1366
      Revisions...1366
      Symbols...1366
    HOISTING INSTRUCTIONS...1367
      Hoisting...1367
      Wire Ropes...1367
    PUSH PULL COUPLER...1368
      Type 1...1368
        Disconnection...1368
        Connection...1368
      Type 2...1369
        Disconnection...1369
        Connection...1369
      Type 3...1370
        Disconnection...1370
        Connection...1370
    COATING MATERIALS...1371
    STANDARD TIGHTENING TORQUE...1373
      Standard Tightening Torque of Bolts And Nuts...1373
      Tightening Torque of Hose Nuts...1374
      Tightening Torque of Split Flange Bolts...1374
      Tightening Torque for Flared Nuts...1374
      Table of Tightening Torques for O-ring Boss Piping Joints...1375
      Table of Tightening Torques for O-ring Boss Plugs...1375
      Tightening Torque Table for Hoses (Taper Seal Type and Face Seal Type)...1375
    ELECTRIC WIRE CODE...1376
      Classification by Thickness...1376
      Classification by Color and Code...1376
    CONVERSION TABLES...1377
      Method of Using the Conversion Table...1377
  01 GENERAL...1383
    SPECIFICATION DIMENSION DRAWINGS...1384
      Dimensions...1384
      Working Ranges...1385
    SPECIFICATIONS...1386
    WEIGHT TABLE...1389
    FUEL, COOLANT, AND LUBRICANTS...1391
  10 STRUCTURE, FUNCTION ANDMAINTENANCE STANDARD...1393
    ENGINE AND COOLING SYSTEM...1396
      Engine Related Parts...1396
      Radiator, Oil Cooler and Aftercooler...1397
    POWER TRAIN...1398
      Power Train...1398
      Final Drive...1400
        PC300LC-8...1400
        PC300HD-8...1402
      Sprocket...1404
        PC300LC-8...1404
        PC300HD-8...1406
      Swing Machinery...1408
      Swing Circle...1410
    UNDERCARRIAGE AND FRAME...1412
      Track Frame and Recoil Spring...1412
        PC300LC-8...1412
        PC300HD-8...1414
      Idler...1416
        PC300LC-8...1416
        PC300HD-8...1418
      Carrier Roller...1420
        PC300LC-8...1420
        PC300HD-8...1421
      Track Roller...1422
        PC300LC-8...1422
        PC300HD-8...1424
      Track Shoe...1426
        PC300LC-8...1426
        PC300HD-8...1428
      Triple Grouser Shoe...1430
        PC300LC-8...1430
        PC300HD-8...1431
    HYDRAULIC SYSTEM...1432
      Hydraulic Equipment Layout Drawing...1432
      Hydraulic Tank and Filter...1434
      Hydraulic Pump...1436
        Type: HPV125+125...1436
        LS Valve...1442
        PC Valve...1447
        LS(PC)-EPC Valve...1454
        Variable Volume Valve...1457
      Control Valve...1458
      CLSS (Closed Center Load Sensing System)...1470
      Valve Functions and Operation...1474
        Hydraulic Circuit Diagram and the Name of Valves...1474
        Unloader Valve...1476
        LS Pressure...1478
        Pressure Compensation Valve...1480
        Pressure Compensation Valve Inner Shuttle...1483
        Boom Regeneration Circuit...1485
        Arm Regeneration Circuit...1487
        Merge-divider Valve...1489
        LS Select Valve...1491
        Self Pressure Reducing Valve...1492
        Travel Junction Valve...1495
        Travel PPC Shuttle Valve...1497
        Boom Drift Prevention Valve...1499
        Arm Drift Prevention Valve...1502
        Quick Return Valve...1506
        Lift Check Valve...1508
        Main Relief Valve...1509
        2-Stage Safety-suction Valve...1510
        Variable Pressure Compensation Valve...1512
        Attachment Circuit Selector Valve...1514
        Drift Prevention Valve...1516
      Valve Control...1521
        PPC Valve...1522
        Travel PPC Valve...1527
        Pressure Reducing Valve...1530
        Service PPC Valve (with EPC Valve)...1536
        Service PPC Valve...1542
        Solenoid Valve...1544
        PPC Accumulator...1546
        Return Oil Filter...1547
        Center Swivel Joint...1548
        Travel Motor - Type: HMV160ADT-2 - PC300LC-8...1550
        Parking Brake - PC300LC-8...1556
        Travel Motor - Type: KMV200ADT-2 - PC300HD-8...1564
        Parking Brake - PC300HD-8...1570
        Safety Valve...1574
        Swing Motor...1578
        Reverse Prevention Valve...1584
      Hydraulic Cylinder...1588
        Boom Cylinder...1588
        Arm Cylinder...1588
        Bucket Cylinder...1588
    WORK EQUIPMENT...1590
      Work Equipment...1590
        Dimension Of Arm...1592
        Dimension Of Bucket...1594
    AIR CONDITIONER PIPING...1596
    ELECTRICAL SYSTEM...1597
      Engine Control...1597
        Fuel Control Dial...1599
        Engine Controller...1600
      Sensors...1604
        Coolant Temperature Sensor...1604
        Oil Pressure Switch...1604
        Engine Speed Sensor...1605
        Boost Pressure And Temperature Sensor...1605
        WIF (Water-in-fuel Detection) Sensor...1606
        Engine Oil Level Sensor...1606
    ELECTRONIC CONTROL SYSTEM...1607
      Control Function...1607
      System Diagram...1608
      Engine and Pump Control...1610
      Pump and Valve Control...1616
        LS Control Function...1617
        Cut-off Function...1617
        2-Stage Relief Function...1617
      Power Maximizing and Machine Push-up...1618
      Auto-deceleration...1620
      Auto-warm-up and Overheat Prevention...1622
      Swing Control...1624
      Travel Control...1626
      Attachment Flow Control and Circuit Selector...1628
      System Component Parts...1629
        PPC Oil Pressure Switch...1629
        Oil Pressure Sensor...1630
        Pump Pressure Sensor (High Pressure)...1631
        Pump Controller...1632
    MONITOR SYSTEM...1635
      Machine Monitor...1636
        Monitor Control, Display Portion...1640
        Monitor Items And Display...1642
        Switches...1646
        Sensors...1663
    KOMTRAX Terminal System...1665
      KOMTRAX Communication Modem - TH300...1666
  20 STANDARD VALUE TABLES...1667
    STANDARD VALUE TABLES...1668
      Engine Related...1668
      Chassis Related...1669
  30 TESTING AND ADJUSTING...1677
    CHASSIS SERVICE TOOLS...1679
      Sketches of special tools...1683
    ENGINE...1684
      Engine Speed...1684
      Air Boost Pressure...1685
      Exhaust Gas Color...1686
      Valve Clearance...1688
      Compression Pressure...1690
      Blow-by Pressure...1695
      Engine Oil Pressure...1696
      Fuel Pressure...1697
      Handling During Cylinder Cut-out Operation...1702
      Handling During No Injection Cranking Operation...1702
      Fuel Return Rate And Leakage...1703
      Bleeding Air From Fuel Circuit...1706
      Fuel Circuit For Leakage...1707
    AIR COMPRESSOR BELT TENSION...1708
    FAN BELT...1709
    ALTERNATOR BELT...1710
    SWING CIRCLE BEARINGS...1711
    TRACK SHOE TENSION...1712
    OIL PRESSURE IN WORK EQUIPMENT...1713
    OIL PRESSURE IN SWING...1713
    OIL PRESSURE IN TRAVEL CIRCUIT...1713
    CONTROL CIRCUIT OIL PRESSURE...1718
    PUMP PC OIL PRESSURE...1719
    PUMP LS OIL PRESSURE...1722
    SOLENOID VALVE OUTPUT PRESSURE...1727
    PPC VALVE OUTPUT PRESSURE...1730
    WORK EQUIPMENT VALVE ADJUSTMENT...1731
    SWING PPC VALVE ADJUSTMENT...1731
    HYDRAULIC DRIFT IN WORK EQUIPMENT...1732
      Boom and Bucket Cylinders...1732
      Arm Cylinder...1732
      Boom Lock Valve...1733
      PPC Valve...1733
    RELEASING HYDRAULIC PRESSURE...1734
      Oil Leakage Amount...1734
    BLEEDING AIR FROM VARIOUS SYSTEMS...1737
    DIODE INSPECTION PROCEDURES...1740
    MACHINE MONITOR - SPECIAL FUNCTIONS...1742
      Ordinary Functions and Special Functions of Machine Monitor...1744
      Operator Mode (Outline)...1746
        Display of Komatsu Logo...1747
        Display of Inputting Password...1747
        Display of Check of Breaker Mode...1748
        Display of Check Before Starting...1748
        Display of Warning After Check Before Starting...1748
        Display of Ending of Maintenance Interval...1749
        Display of Check of Working Mode and Travel Speed...1749
        Display of Ordinary Screen...1749
        Display of End Screen...1750
        Selection of Auto-deceleration...1750
        Selection of Working Mode...1750
        Selection of Travel Speed...1751
        Operation to Stop Alarm Buzzer...1751
        Operation of Windshield Wiper...1752
        Operation of Window Washer...1752
        Operation of Air Conditioner/heater...1752
        Operation to Display Camera Mode (if CameraiIs Installed)...1753
        Operation to Display Clock and Service Meter...1753
        Check of Maintenance Information...1754
        Setting and Display of User Mode...1754
        KOMTRAX Message...1755
        Display of Energy-saving Guidance...1755
        Display of Caution Monitor...1755
        Display of Automatic Judgment of Breaker...1756
        Display of User Code and Failure Code...1756
        Function of Checking Display of LCD (Liquid Crystal Display)...1758
        Function of Checking Service Meter...1758
        Function of Changing Attachment/Maintenance Password...1759
      Service Mode...1761
        Monitoring...1763
        Abnormality Record (Mechanical Systems)...1768
        Abnormality Record (Electrical Systems)...1769
        Abnormality Record (Air-conditioning System/Heater System)...1777
        Maintenance Record...1778
        Maintenance Mode Change...1779
        Phone Number Entry...1782
        Default (Key-ON Mode)...1783
        Default (Unit)...1784
        Default (With/Without Attachment)...1785
        Default (Attachment/Maintenance Password)...1786
        Default (Camera)...1787
        Default (ECO Display)...1788
        Default (Breaker Detect)...1790
        Adjustment (Pump Absorption Torque)...1791
        Adjustment (Low Speed)...1792
        Adjustment (Attachment Flow Adjustment)...1793
        Cylinder Cut-Out...1794
        No Injection...1795
        Fuel Consumption...1797
        KOMTRAX Settings (Terminal Status)...1798
        KOMTRAX Settings (GPS & Communication Status)...1799
        KOMTRAX Setting (Modem S/N: TH300)...1800
        Display of KOMTRAX Service Message...1801
      Long Distance Transport Mode...1802
    HANDLING VOLTAGE CIRCUIT OF ENGINE CONTROLLER...1804
    PREPARATION WORK FOR TROUBLESHOOTING OF ELECTRICAL SYSTEM...1805
    PROCEDURE FOR TESTING DIODES...1810
    PM CLINIC SERVICE...1811
  40 TROUBLESHOOTING...1817
    FAILURE CODES TABLE...1821
    FUSE LOCATIONS...1824
      Connection Table of Fuse Box...1824
      Locations of Fusible Links...1825
      Location of Fuse Box and Fuse Numbers...1825
    GENERAL INFORMATION...1828
      Points to Remember when Troubleshooting...1828
      Sequence of Events in Troubleshooting...1830
      Handling Electric Equipment and Hydraulic Components...1831
      Connectors for Tier 3 Engines...1839
      Checks Before Troubleshooting...1843
      Classification and Troubleshooting Steps...1844
        Classification of Troubleshooting...1844
        Information in Troubleshooting Table...1846
        Possible Problems and Troubleshooting No...1848
      Connection Table for Connector Pin Numbers...1851
      T-adapter Box and T-adapter Table...1886
    FAILURE CODE (DISPLAY OF CODE)...1889
      989L00 - Engine Controller Lock Caution 1...1889
      989L00 - Engine Controller Lock Caution 2...1889
      989L00 - Engine Controller Lock Caution 3...1890
      AA10NX - Air Cleaner Clogging...1892
      AB00KE - Charge Voltage Low...1894
      B@BAZG - Engine Oil Pressure Low...1896
      B@BAZK - Engine Oil Level Low...1898
      B@BCNS - Engine Coolant Overheat...1900
      B@BCZK - Engine Coolant Level Low...1902
      B@HANS - Hydraulic Oil Overheat...1904
      CA111 - EMC Critical Internal Failure...1906
      CA115 - Engine NE and BKUP Speed Sensor Error...1907
      CA122 - Charge Air Pressure Sensor High Error...1908
      CA123 - Charge Air Pressure Sensor Low Error...1910
      CA131 - Throttle Sensor High Error...1912
      CA132 - Throttle Sensor Low Error...1914
      CA144 - Coolant Temperature Sensor High Error...1916
      CA145 - Coolant Temperature Sensor Low Error...1918
      CA153 - Charge Air Temperature Sensor High Error...1920
      CA154 - Charge Air Temperature Sensor Low Error...1922
      CA155 - Chg Air Temp High Speed Derate...1924
      CA187 - Sensor Power Supply Two Volt Low Error...1926
      CA221 - Ambient Pressure Sensor High Error...1928
      CA222 - Ambient Pressure Sensor Low Error...1930
      CA227 - Sensor Supply Two Volt High Error...1932
      CA234 - Engine Overspeed...1934
      CA238 - NE Speed Sensor Supply Voltage Error...1935
      CA271 - IMV/PCV1 Short Error...1936
      CA272 - IMV/PCV1 Open Error...1938
      CA281 - Pump Press Balance Error...1940
      CA322 - Injector #1 Open/short Error...1942
      CA323 - Injector #5 Open/short Error...1944
      CA324 - Injector #3 Open/short Error...1946
      CA325 - Injector #6 Open/short Error...1948
      CA331 - Injector #2 Open/short Error...1950
      CA332 - Injector #4 Open/short Error...1952
      CA342 - Calibration Code Incompatibility...1954
      CA351 - Injectors Drive Circuit Error...1956
      CA352 - Sensor Supply One Volt Low Error...1958
      CA386 - Sensor Supply One Volt High Error...1960
      CA428 - Water in Fuel Sensor High Error...1962
      CA429 - Water in Fuel Sensor Low Error...1964
      CA435 - Eng Oil Press Sw Error...1966
      CA441 - Battery Voltage Low Error...1968
      CA442 - Battery Voltage High Error...1970
      CA449 - Rail Pressure Very High Error...1972
      CA451 - Rail Pressure Sensor High Error...1976
      CA452 - Rail Pressure Sensor Low Error...1978
      CA488 - Chg Air Temp High Torque Derate...1980
      CA553 - Rail Pressure High Error...1981
      CA559 - Rail Pressure Low Error...1982
      CA689 - Engine NE Speed Sensor Error...1984
      CA731 - Engine BKUP Speed Sensor Phase Error...1986
      CA757 - All Persistent Data Lost Error...1988
      CA778 - Engine BKUP Speed Sensor Error...1990
      CA1633 - KOMNET Datalink Timeout Error...1992
      CA2185 - Throttle Sensor Supply Volt High Error...1994
      CA2186 - Throttle Sensor Supply Volt Low Error...1996
      CA2249 - Rail Pressure Very Low Error...1997
      CA2265 - Electric Lift Pump High Error...1998
      CA2266 - Electric Lift Pump Low Error...2000
      CA2311 - IMV Solenoid Error...2002
      CA2555 - Grid Htr Relay Volt High Error...2004
      CA2556 - Grid Htr Relay Volt Low Error...2006
      D110KB - Battery Relay Drive S/C...2008
      D19JKZ - Personal Code Relay Abnormality...2010
      D862KA - GPS Antenna Discon...2012
      DA22KK - Pump Solenoid Power Low Error...2014
      DA25KP - 5 V Sensor 1 Power Abnormality...2016
      DA29KQ - Model Selection Abnormality...2020
      DA2RMC - Pump Communication Abnormality...2022
      DAF8KB - Short Circuit in Camera Power Supply...2024
      DAFGMC - GPS Module Error...2026
      DAFRMC - CAN Discon (Monitor Detected)...2028
      DGH2KB - Hyd Oil Sensor Short...2030
      DHPAMA - F Pump Pressure Sensor Abnormality...2032
      DHPBMA - R Pump Pressure Sensor Abnormality...2034
      DHS3MA - Arm Curl PPC Sensor Abnormality...2036
      DHS4MA - Bucket Curl PPC Pressure Sensor Abnormality...2038
      DHX1MA - Overload Sensor Abnormality (Analog)...2040
      DW43KA - Travel Speed Solenoid Disconnection...2042
      DW43KB - Travel Speed Solenoid S/C...2044
      DW45KA - Swing Brake Solenoid Disconnection...2046
      DW45KB - Swing Brake Solenoid S/C...2050
      DW91KA - Travel Junction Solenoid Disconnection...2052
      DW91KB - Travel Junction Solenoid S/C...2054
      DWA2KA - Attachment Sol Open Circuit...2056
      DWA2KB - Attachment Sol Short Circuit...2057
      DWJ0KA - Merge-Divider Solenoid Disconnection...2058
      DWJ0KB - Merge-Divider Solenoid S/C...2060
      DWK0KA - 2-Stage Relief Sol. Open Circuit...2062
      DWK0KB - 2-Stage Relief Solenoid Short Circuit...2064
      DXA0KA - PC-EPC Solenoid Open Circuit...2066
      DXA0KB - PC-EPC Solenoid Short Circuit...2068
      DXE0KA - LS-EPC Solenoid Disconnection...2070
      DXE0KB - LS-EPC Solenoid Short Circuit...2072
      DXE4KA - Service Current EPC Disconnection...2074
      DXE4KB - Service Current EPC Short Circuit...2075
      DY20KA - Wiper Working Abnormality...2076
      DY20MA - Wiper Parking Abnormality...2078
      DY2CKA - Washer Drive Open Circuit...2080
      DY2CKB - Washer Drive Short Circuit...2082
      DY2DKB - Wiper Motor Drive Forward System Short...2084
      DY2EKB - Wiper Drive Reverse Short Circuit...2086
    E-MODE (ELECTRICAL SYSTEM)...2088
      Information Contained in Troubleshooting Table...2088
      E-1 Engine Does Not Start...2090
      E-2 Auto-decelerator Does Not Operate...2093
      E-3 Automatic Warming-up System Does Not Operate...2095
      E-4 Preheater Does Not Operate...2096
      E-5 All Work Equipment, Swing, and Travel Mechanism do not move...2098
      E-6 Power Maximizing Function Does Not Operate...2100
      E-7 Machine Monitor Does Not Display At All...2102
      E-8 Machine Monitor Does Not Display Some Items...2104
      E-9 Contents of Display by Machine Monitor are Different from Applicable Machine...2104
      E-10 Fuel Level Monitor Was Lit in Red While Engine Running...2105
      E-11 Engine Coolant Temperature Gauge Does Not Indicate Normally...2106
      E-12 Hydraulic Oil Temperature Gauge Does Not Indicate Normally...2108
      E-13 Fuel Level Gauge Does Not Indicate Normally...2109
      E-14 Swing Lock Monitor Does Not Indicate Normally...2110
      E-15 When Monitor Switch is Operated, Monitor Displays Nothing...2112
      E-16 Windshield Wiper and Window Washer do not Operate...2114
      E-17 Machine Push-up Function Does Not Operate Normally...2118
      E-18 Monitoring Function Fails to Display “Boom Raise” Normally...2120
      E-19 Monitoring Function Fails to Display “Boom Lower” Normally...2122
      E-20 Monitoring Function Fails to Display “Arm In” Normally...2124
      E-21 Monitoring Function Fails to Display “Arm Out” Normally...2126
      E-22 Monitoring Function Fails to Display “Bucket Curl” Normally...2128
      E-23 Monitoring Function Fails to Display “Bucket Dump” Normally...2130
      E-24 Monitoring Function Fails to Display “Swing” Normally...2132
      E-25 Monitoring Function Fails to Display “Travel” Normally...2134
      E-26 Monitoring Function Fails to Display “Travel Differential Pressure” Normally...2136
      E-27 Monitoring Function Fails to Display “Service” Normally...2138
      E-28 KOMTRAX System Does Not Operate Normally...2140
      E-29 Air Conditioner Does Not Operate...2142
      E-30 Travel Alarm Does Not Sound or Does Not Stop Sounding...2144
      E-31 Horn Does Not Sound...2146
    H-MODE (HYDRAULIC AND MECHANICAL SYSTEMS)...2148
      System Chart for Hydraulic and Mechanical System...2148
      Information Contained in Troubleshooting Table...2150
      H-1 All Work Equipment Lack Power, or Travel and Swing Speeds are Slow...2152
      H-2 Engine Speed Sharply Drops or Engine Stalls...2154
      H-3 No Work Equipment, Swing or Travel Move...2155
      H-4 Abnormal Noise is Heard from Around Hydraulic Pump...2155
      H-5 Auto-decelerator Does Not Work...2156
      H-6 Fine Control Mode Does Not Function or Responds Slow...2156
      H-7 Boom Moves Slowly or Lacks Power...2157
      H-8 Arm Moves Slowly or Lacks Power...2158
      H-9 Bucket Moves Slowly or Lacks Power...2159
      H-10 Work Equipment Does Not Move in its Single Operation...2159
      H-11 Work Equipment has a bit too Fast Hydraulic Drift...2160
      H-12 Work Equipment Has Big Time Lag...2162
      H-13 Other Work Equipment Moves When Relieving Single Circuit...2162
      H-14 Power Max. Switch Does Not Operate...2163
      H-15 In Compound Operation, Work Equipment with Larger Load Moves Slowly...2163
      H-16 In Swing + Boom Raise Operation, Boom Moves Slowly...2164
      H-17 In Swing + Travel Operation, Travel Speed Drops Sharply...2164
      H-18 Machine Swerves in Travel...2165
      H-19 Machine Travels Slowly...2166
      H-20 Machine Cannot Be Easily Steered or Lacks Power...2167
      H-21 Travel Speed Does Not Shift, or it is too Slow or Fast...2168
      H-22 Track Shoe Does Not Turn (On One Side Only)...2169
      H-23 Machine Does Not Swing...2170
      H-24 Swing Acceleration is Poor, or Swing Speed is Slow...2172
      H-25 Excessive Overrun When Stopping Swing...2174
      H-26 There is Big Shock when Stopping Swing...2175
      H-27 Large Sound is made when Upper Structure Stops Swinging...2175
      H-28 Swing Hydraulic Drift is too big...2176
  50 DISASSEMBLY AND ASSEMBLY...2177
    HOW TO READ THIS MANUAL...2180
    SPECIAL TOOLS LIST...2183
    SKETCHES OF SPECIAL TOOLS...2187
    CONNECTOR REPAIR PROCEDURES...2190
      Contact Terminal Removal (HD30 Type)...2190
      Striping Insulation...2191
      Crimping Contact Terminal (HD30 Type)...2192
      Insertion Of Contact Terminal (HD30 Type)...2193
      Contact Terminal Removal (DT Type)...2194
    ENGINE COMPONENTS...2195
      Fuel Supply Pump...2195
        Removal...2195
        Installation...2197
      Engine Front Seal...2199
      Removal...2199
        Installation...2201
      Engine Rear Seal...2203
        Removal...2203
        Installation...2205
      Cylinder Head...2209
        Removal...2209
        Installation...2215
    RADIATOR...2224
      Removal...2224
      Installation...2225
    HYDRAULIC OIL COOLER...2226
      Removal...2226
      Installation...2227
    AFTERCOOLER...2228
      Removal...2228
      Installation...2228
    ENGINE AND HYDRAULIC PUMP...2229
      Removal...2229
      Installation...2234
    FINAL DRIVE...2235
      Removal...2235
      Installation...2235
      Disassembly...2236
      Assembly...2241
    SWING MOTOR AND SWING MACHINERY...2248
      Removal...2248
      Installation...2249
      Disassembly...2250
      Assembly...2254
    SWING CIRCLE...2260
      Removal...2260
      Installation...2260
    CARRIER ROLLER...2261
      Disassembly...2261
      Assembly...2261
    TRACK ROLLER...2263
      Disassembly...2263
      Assembly...2263
    IDLER...2265
      Disassembly...2265
      Assembly...2266
    RECOIL SPRING...2269
      Disassembly...2269
      Assembly...2270
    SPROCKET...2272
      Removal...2272
      Installation...2272
    TRACK SHOE...2273
      Expansion...2273
      Installation...2274
    REVOLVING FRAME...2275
      Removal...2275
      Installation...2277
    COUNTERWEIGHT...2278
      Removal...2278
      Installation...2279
    CENTER SWIVEL JOINT...2280
      Removal...2280
      Installation...2281
      Disassembly...2282
      Assembly...2283
    HYDRAULIC TANK...2284
      Removal...2284
      Installation...2286
    CONTROL VALVE...2287
      Removal...2287
      Installation...2290
      Disassembly...2290
      Assembly...2290
    HYDRAULIC PUMP...2293
      Removal...2293
      Installation...2295
      Oil Seal in Hydraulic Pump input Shaft...2296
        Removal...2296
        Installation...2296
    WORK EQUIPMENT PPC VALVE...2297
      Disassembly...2297
      Assembly...2297
    TRAVEL PPC VALVE...2300
      Disassembly...2300
      Assembly...2301
    HYDRAULIC CYLINDER...2303
      Disassembly...2303
      Assembly...2306
    WORK EQUIPMENT...2310
      Removal...2310
      Installation...2312
    CAB...2313
      Removal...2313
      Installation...2316
      Cab Glass (Stuck Glass)...2317
        Removal...2318
        Installation...2319
      Front Window...2329
        Removal...2329
        Installation...2332
      Floor Frame...2337
        Removal...2337
        Installation...2341
    ELECTRICAL SYSTEM...2342
      Air Conditioner Unit...2342
        Removal...2342
        Installation...2345
      KOMTRAX Communication Modem...2346
        Removal...2346
        Installation...2346
      Monitor...2347
        Removal...2347
        Installation...2348
      Pump Controller...2349
        Removal...2349
        Installation...2350
      Engine Controller...2352
        Removal...2352
        Installation...2352
  60 AIR CONDITIONER...2353
    STRUCTURE AND FUNCTION...2356
      Air Conditioner Component...2356
      Configuration and Function of Refrigerating cycle...2358
      Outline of Refrigerating Cycle...2359
      Air Conditioner Unit...2362
      Functions of Major Components in the Air Conditioner Unit...2364
      Control Plate...2366
      Compressor...2369
      Condenser and Receiver Drier...2370
    TESTING AND ADJUSTING...2371
      Caution About Refrigerant...2371
      Troubleshooting Procedure...2372
      Block Diagram...2373
      Circuit Diagram and Arrangement of Connector Pins...2374
      Detail of Air Conditioner Unit...2376
      Part and Connector Locations...2378
      Testing Air Leakage (Ducts)...2382
      Testing with Self-diagnosis Function...2384
      Testing Temperature Control...2387
      Testing Vent (Mode) Changeover...2390
      Testing Recirc/Fresh Changeover...2394
      Testing Inner Sensor...2396
      Testing Evaporator Temperature Sensor...2397
      Testing Sunlight Sensor...2399
      Testing (Dual) Pressure Switch for Refrigerant...2400
      Testing Relays...2402
    TROUBLESHOOTING...2404
      Troubleshooting Chart 1...2404
      Troubleshooting Chart 2...2405
      Troubleshooting for Electrical System (E mode)...2408
        E-1 Power Supply System (Air Conditioner does not Operate)...2409
        E-2 Compressor System (Air is Not Cooled)...2413
        E-3 Blower Motor System (No Air Comes Out or Air Flow is Abnormal)...2416
        E-4 Temperature Cannot be Controlled...2420
        E-5 Vent (Mode) Cannot be Changed Over...2423
        E-6 Recirc/Fresh Air Cannot be Changed Over...2426
      Troubleshooting With Gauge Pressure...2429
      Connection of Service Tool...2432
      Precautions for connecting air conditioner piping...2434
      Handling of Compressor Oil...2435
        Control of Compressor Oil...2435
        Adding of Compressor Oil...2435
        Compressor Replacement...2436
        Applying Compressor Oil for O-ring...2436
      Desiccant Replacement Procedure...2437
  90 DIAGRAMS AND DRAWINGS...2439
    HYDRAULIC DIAGRAM - PC300LC/HD-8...2441
    ELECTRICAL SYSTEM...2442
      Electrical Circuit Diagram (1/5)...2442
      Electrical Circuit Diagram (2/5)...2443
      Electrical Circuit Diagram (3/5)...2444
      Electrical Circuit Diagram (4/5)...2445
      Electrical Circuit Diagram (5/5)...2446
      Connector Arrangement Diagram - PC300LC/HD-8...2447
CEBM3006C2 - Hydraulic Excavator PC300LC-6, PC300HD-6 Shop Manual...2448
  CONTENTS...2449
  00 SAFETY/FOREWARD...2456
  01 GENERAL...2471
    SPECIFICATION DRAWINGS...2472
      PC300LC-6...2472
      PC300HD-6...2474
    SPECIFICATIONS...2476
      PC300LC-6...2476
      PC300HD-6...2476
    WEIGHT TABLE...2478
      PC300LC-6...2478
      PC300HD-6...2478
    FUEL, COOLANT AND LUBRICANTS...2480
      PC300LC-6...2480
      PC300HD-6...2481
    ENGINE OIL SPECIFICATIONS...2482
    DIESEL FUEL SPECIFICATIONS...2483
    COOLANT SPECIFICATIONS...2484
  10 STRUCTURE AND FUNCTION ...2490
    ENGINE RELATED PARTS ...2491
    RADIATOR OIL COOLER ...2493
    POWER TRAIN ...2494
    FINAL DRIVE PC300LC-6...2495
    FINAL DRIVE PC300HD-6...2496
    SWING CIRCLE ...2497
    SWING MACHINERY ...2498
    TRACK FRAME RECOIL SPRING ...2499
    TRACK SHOE ...2501
    HYDRAULIC PIPING DRAWING ...2502
    HYDRAULIC CIRCUIT DIAGRAM ...2503
    HYDRAULIC TANK...2504
    HYDRAULIC PUMP ...2505
    CONTROL PUMP...2524
    SUCTION SAFETY VALVE ...2535
    CLSS ...2536
    SWING MOTOR ...2578
    CENTER SWIVEL JOINT ...2582
    TRAVEL MOTOR ...2583
    VALVE CONTROL ...2598
    WORK EQUIPMENT SWING PPC VALVE ...2599
    TRAVEL PPC VALVE ...2603
    SERVICE PPC VALVE ...2607
    PPC SAFETY LOCK VALVE...2610
    PPC ACCUMULATOR...2610
    PPC SHUTTLE VALVE TRAVEL JUNCTION VALVE ...2611
    EPC SOLENOID VALVE ...2618
    FOR LS SELECT, BOOM HI 2-STAGE SAFETY VALVE, MERGE/FLOW DIVIDER, TRAVEL SPEED, SWING BRAKE...2618
    FOR LS VALVE CONTROL...2620
    BOOM HOLDING VALVE ...2623
    HYDRAULIC CYLINDER ...2626
    WORK EQUIPMENT ...2627
    ELECTRICAL WIRING DIAGRAM ...2628
    ELECTRICAL CIRCUIT DIAGRAM...2630
    ENGINE CONTROL ...2633
    ELECTRONIC CONTROL SYSTEM ...2639
    MACHINE MONITOR SYSTEM...2662
  20 TESTING AND ADJUSTMENT...2669
    STANDARD VALUE TABLE FOR ENGINE...2670
    STANDARD VALUE TABLE FOR CHASSIS PARTS...2671
    STANDARD VALUE TABLE FOR ELECTRICAL PARTS...2679
    TOOLS FOR TESTING, ADJUSTING AND TROUBLESHOOTING...2687
    MEASURING ENGINE SPEED...2688
    MEASURING INTAKE MANIFOLD PRESSURE...2689
    MEASURING INTAKE AIR RESTRICTION...2690
    MEASURING LUBRICATING OIL PRESSURE...2691
    MEASURING FUEL (FILTER) INLET RESTRICTION...2692
    MEASURING BLOWBY PRESSURE...2693
    MEASURING ENGINE BACK PRESSURE...2694
    MEASURING EXHAUST COLOR...2695
    MEASURING COOLANT TEMPERATURE...2696
    MEASURING VALVE CLEARANCE...2697
    TESTING AND ADJUSTING GOVERNOR MOTOR LEVER STROKE...2698
    TESTING AND ADJUSTING HYDRAULIC PRESSURE IN WORK EQUIPMENT, SWING, TRAVEL CIRCUIT...2699
    TESTING AND ADJUSTING TVC VALVE OUTPUT PRESSURE (SERVO PISTON INPUT PRESSURE)...2702
    TESTING AND ADJUSTING LS VALVE OUTPUT PRESSURE (SERVO PISTON INPUT PRESSURE) AND LS DIFFERENTIAL PRESSURE...2704
    TESTING AND ADJUSTING CONTROL PUMP CIRCUIT OIL PRESSURE...2707
    TESTING SOLENOID VALVE OUTPUT PRESSURE...2709
    MEASURING PPC VALVE OUTPUT PRESSURE AND TESTING PPC SHUTTLE VALVE...2711
    ADJUSTING WORK EQUIPMENT SWING PPC VALVE...2713
    TESTING TRAVEL DEVIATION...2714
    TESTING LOCATIONS CAUSING HYDRAULIC DRIFT OF WORK EQUIPMENT...2715
    MEASURING OIL LEAKAGE...2717
    RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT...2719
    TESTING CLEARANCE OF SWING CIRCLE BEARING...2720
    TESTING AND ADJUSTING TRACK SHOE TENSION...2721
    BLEEDING AIR...2722
    TROUBLESHOOTING...2724
      TROUBLESHOOTING...2724
        POINTS TO REMEMBER WHEN TROUBLESHOOTING ...2725
        SEQUENCE OF EVENTS IN TROUBLESHOOTING ...2726
        POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE ...2727
        CHECKS BEFORE TROUBLESHOOTING ...2736
        CONNECTOR TYPES AND MOUNTING LOCATIONS ...2737
        CONNECTOR ARRANGEMENT DIAGRAM...2739
        CONNECTION TABLE FOR CONNECTOR PIN NUMBERS...2741
        EXPLANATION OF CONTROL MECHANISM FOR ELECTRICAL SYSTEM ...2752
        DISPLAY METHOD AND SPECIAL FUNCTION OF MONITORING PANEL ...2753
        METHOD OF USING JUDGEMENT TABLE ...2761
        METHOD OF USING TROUBLSHOOTING CHARTS ...2763
        DETAILS OF TROUBLESHOOTING AND TROUBLESHOOTING PROCEDURE ...2765
        SERVICE CODE TABLE ...2770
      TROUBLESHOOTING OF COMMUNICATION ABNORMALITY SYSTEM (N MODE)...2771
        N-1 [E218] Communication abnormality...2772
      TROUBLESHOOTING OF GOVERNOR PUMP CONTROLLER (GOVERNOR CONTROL SYSTEM) (N MODE)...2774
        POINTS TO REMEMBER WHEN CARRYING OUT TROUBLESHOOTING OF GOVERNOR, PUMP CONTROLLER SYSTEM...2775
        ACTIONS TAKEN BY CONTROLLER WHEN ABNORMALITY OCCURS AND PROBLEMS ON MACHINE...2776
        JUDGEMENT TABLE FOR GOVERNOR, PUMP GOVERNOR (GOVERNOR CONTROL SYSTEM) AND RELATED PARTS...2780
        ELECTRICAL CIRCUIT DIAGRAM FOR E MODE SYSTEM...2782
          E-1 Abnormality in governor, pump controller power source (controller LED is OFF)...2784
          E-2 [E308] Abnormality in fuel control dial input value is displayed...2785
          E-3 [317] Abnormality (disconnection) in motor drive system is displayed...2786
          E-4 [318] Abnormality (short circuit) in motor drive system is displayed...2787
          E-5 [E306] Abnormality in feedback potentiometer system is displayed...2788
          E-6 [E315] Abnormality (short circuit) in battery relay output system is displayed...2789
          E-7 [E316] Abnormality (step-out) in motor displayed...2790
          E-8 Engine does not start...2791
          E-9 Engine speed is irregular...2793
          E-10 Lack of output (engine high idling speed is to low)...2797
          E-11 Engine does not stop...2799
          E-12 Defective operation of battery relay system (engine does not stop)...2801
      TROUBLESHOOTING OF ENGINE SYSTEM...2803
        METHOD OF USING TROUBLESHOOTING CHARTS...2804
        S-1 Starting performance is poor (starting always takes time)...2808
        S-2 Engine does not start...2809
        S-3 Engine does not pick up smoothly (follow up is poor)...2812
        S-4 Engine stops during operations...2813
        S-5 Engine does not rotate smoothly (hunting)...2814
        S-6 Engine lacks output (no power)...2815
        S-7 Engine smoke is black (incomplete combustion)...2816
        S-8 Oil consumption is excessive (or exhaust smoke is blue)...2817
        S-9 Oil becomes contaminated quickly...2818
        S-10 Fuel consumption is excessive...2819
        S-11 Oil is in cooling water, or water spurts back, or water level goes down...2820
        S-12 Oil pressure caution lamp lights up (drop in oil pressure)...2821
        S-13 Oil level rises (water, fuel in oil)...2822
        S-14 Water temperature becomes too high (overheating)...2823
        S-15 Abnormal noise is made...2824
        S-16 Vibration is excessive...2825
      TROUBLESHOOTING OF GOVERNOR, PUMP CONTROLLER (PUMP CONTROL SYSTEM) (C MODE)...2826
        POINT TO REMEMBER WHEN TROUBLESHOOTING PUMP CONTROLLER SYSTEM...2827
        ACTION TAKEN BY CONTROLLER WHEN ABNORMALITY OCCURS AND PROBLEMS ON MACHINE...2828
        JUDGEMENT TABLE FOR GOVERNOR, PUMP CONTROLLER (PUMP CONTROL SYSTEM) AND HYDRAULIC RELATED PARTS...2834
        ELECTRICAL CIRCUIT DIAGRAM FOR C MODE...2836
          C-1 Abnormality in controller power source system (controller LED is OFF)...2838
          C-2 [E232] Short circuit in front pump TVC solenoid system is displayed...2839
          C-3 [E233] Disconnection in front pump TVC solenoid system is displayed...2841
          C-4 [E236] Short circuit in rear pump TVC solenoid system is displayed...2843
          C-5 [E237] Disconnection in rear pump WC solenoid system is displayed...2845
          C-6 [E202] Short circuit in LS select solenoid system is displayed...2847
          C-7 [E212] Disconnection in LS select solenoid system is displayed...2848
          C-8 [E203] Short circuit in swing brake solenoid system is displayed...2849
          C-9 [E213] Disconnection in swing brake solenoid system is displayed...2851
          C-10 [E204] Short circuit in pump merge/divider solenoid system is displayed...2853
          C-11 [E214] Disconnection in pump merge/divider solenoid system is displayed...2854
          C-12 [E206] Short circuit in travel speed solenoid system is displayed...2855
          C-13 [E216] Disconnection in travel speed selector solenoid system is displayed...2856
          C-14 [E217] Model selection input error is displayed ...2857
          C-15 [E222] Short circuit in LS-EPC solenoid system is displayed...2859
          C-16 [E223] Disconnection in LS-EPC solenoid system is displayed...2860
          C-17 [E224] Abnormality in front pump pressure sensor system is displayed...2861
          C-18 [E225] Abnormality in rear pump pressure sensor system is displayed...2862
          C-19 [E226] Abnormality in pressure sensor power source system is displayed...2863
          C-20 [E227] Abnormality in engine speed sensor system is displayed...2864
          C-21 Abnormality in machine push up solenoid system (no service code displayed)...2865
      TROUBLESHOOTING OF HYDRAULIC, MECHANICAL SYSTEM (H MODE)...2880
        PUMP MERGE/DIVIDER LOGIC...2881
        LS SELECT LOGIC...2882
        SOLENOID ACTUATION TABLE...2882
        TABLE OF FAILURE MODES AND CAUSES...2883
          H-1 Speeds of all work equipment, swing, travel are slow or lack power...2887
          H-2 There is excessive drop in engine speed, or engine stalls...2889
          H-3 No work equipment, travel, swing move...2890
          H-4 Abnormal noise generated (around pump)...2890
          H-5 Auto-deceleration does not work (when PPC shuttle valve is cause)...2891
          H-6 Fine control ability is poor or response is poor...2892
          H-7 Boom is slow or lacks power...2893
          H-8 Arm is slow or lacks power...2895
          H-9 Bucket is slow or lacks power...2897
          H-10 Work equipment (boom, arm, bucket) does not move (but travel and swing are normal)...2898
          H-11 Excessive hydraulic drift (boom, arm, bucket)...2898
          H-12 Excessive time lag (engine at low idling)...2899
          H-13 Other equipment moves when single circuit is relieved...2899
          H-14 In L/O, F/O modes, work equipment speed is faster than specified speed...2900
          H-15 Defective actuation of machine push-up function...2900
          H-16 In compound operations, work equipment with larger load is slow...2900
          H-17 In swing + boom RAISE, boom RAISE is slow...2901
          H-18 In swing + arm, arm is slow...2901
          H-19 In swing + travel, travel speed drops excessively...2901
          H-20 Travel deviation...2902
          H-21 Travel speed is slow...2903
          H-22 Steering does not turn easily or lacks power...2905
          H-23 Travel speed does not switch or is faster than specified speed...2907
          H-24 Travel speed does not switch or is faster than specified speed...2907
          H-25 Does not swing...2908
          H-26 Swing acceleration is poor or swing speed is slow...2909
          H-27 Excessive overrun when stopping swing...2911
          H-28 Excessive shock when stopping swing (one direction only)...2912
          H-29 Excessive abnormal noise when stopping swing...2912
          H-30 Excessive hydraulic drift of swing...2913
          H-31 Swing speed is faster than specified swing speed...2914
      TROUBLESHOOTING OF GOVERNOR, PUMP CONTROLLER (INPUT SIGNAL SYSTEM) (F MODE)...2867
        ELECTRICAL CIRCUIT DIAGRAM FOR F MODE...2868
          F-1 Bit pattern 20-(l) Swing oil pressure switch does not light up...2870
          F-2 Bit pattern 2042) Travel oil pressure switch does not light up...2871
          F-3 Bit pattern 20-(3) Boom LOWER oil pressure switch does not light up...2872
          F-4 Bit pattern 20-(4) Boom RAISE oil pressure switch does not light up...2873
          F-5 Bit pattern 20-(5) Arm IN oil pressure switch does not light up...2874
          F-6 Bit pattern 20-(6) Arm OUT oil pressure switch does not light up...2875
          F-7 Bit pattern 21-(l) Bucket CURL oil pressure switch does not light up...2876
          F-8 Bit pattern 2142) Bucket DUMP oil pressure switch does not light up...2877
          F-9 Bit pattern 2%(3) Swing lock switch does not light up...2878
          F-11 Bit pattern 22-(6) L.H. knob switch does not light up...2879
      TROUBLESHOOTING OF HYDRAULIC, MONITOR SYSTEM (M MODE)...2915
        ACTION TAKEN BY MONITOR PANEL WHEN ABNORMALITY OCCURS AND PROBLEMS ON MACHINE...2917
        ELECTRICAL CIRCUIT DIAGRAM FOR M MODE...2919
          M-1 [E101] Abnormality in error data is displayed [E101] Error in clock data is displayed...2922
          M-2 [E103] Short circuit in buzzer output or contact of 24V wiring harness with buzzer drive harness is displayed...2923
          M-3 [E104] Air cleaner clogging detected is displayed...2924
          M-4 [E106] Drop in engine oil Hi pressure detected is displayed...2924
          M-5 [E108] Engine water temperature 105°C detected is displayed...2925
          M-6 When starting switch is turned ON, none of lamps on monitor panel light up for 3 seconds...2926
          M-7 When starting switch is turned ON, monitor panel lamps all stay lighted up and do not go out...2928
          M-8 When starting switch is turned ON, items lighted up on monitor panel are different from actual machine (model)...2928
          M-9 When starting switch is turned ON (engine stopped), basic check items flashes...2929
          M-10 Preheating is not used but (preheating monitor) lights up...2932
          M-11 When starting switch is turned ON and engine is started, basic check items flash...2933
          M-12 When starting switch is turned ON (engine speed), caution items, emergency items flash...2935
          M-13 When starting switch is turned ON and engine is started, caution items, emergency items flash...2937
          M-14 When staring switch is turned ON (engine stopped), buzzer doesn't sound for 1 second Caution item flashes but doesn't sound...2940
          M-15 No abnormality is displayed on monitor but buzzer sounds...2940
          M-16 Night light on monitor panel does not light up (liquid crystal display is normal)...2941
          M-17 Coolant temperature gauge does not rise...2942
          M-18 Coolant temperature gauge does not give any display (none of gauge lamps light up during operation)...2942
          M-19 Fuel level gauge always displays FULL...2943
          M-20 Fuel level gauge does not give display...2943
          M-21 Swing lock switch is turned ON (LOCK) but (swing lock monitor) does not light up...2944
          M-22 Swing prolix switch is turned ON (LOCK) but (swing lock monitor) does not flash...2944
          M-23 Service meter does not advance while engine is running...2945
          M-24 When starting switch is at OFF and time switch is pressed, time and service meter are not displayed...2945
          M-25 Defective fuel level sensor system...2946
          M-26 Defective coolant temperature sensor system...2947
          M-27 Defective engine oil level sensor system...2948
          M-28 Defective coolant level sensor system...2949
          M-29 Defective hydraulic oil level sensor system...2950
          M-30 Wiper does not work or switch is not being used but wiper is actuated...2951
  30 DISASSEMBLY AND ASSEMBLY...2955
    METHOD OF USING MANUAL ...2957
    PRECAUTIONS WHEN CARRYING OUT OPERATION ...2959
    SPECIAL TOOL LIST ...2961
    SKETCHES OF SPECIAL TOOLS ...2969
    STARTING MOTOR ...2977
    ALTERNATOR ...2977
    ENGINE OIL COOLER ...2977
    FUEL INJECTION PUMP ...2977
    WATER PUMP ...2978
    NOZZLE HOLDER ...2978
    TURBOCHARGER ...2978
    THERMOSTAT ...2978
    ENGINE FRONT SEAL ...2979
    CYLINDER HEAD ...2979
    GOVERNOR MOTOR...2980
      REMOVAL OF GOVERNOR MOTOR ...2980
      INSTALLATION OF GOVERNOR MOTOR ...2980
    HYDRAULIC COOLER...2981
      REMOVAL OF HYDRAULIC COOLER ...2981
      INSTALLATION OF HYDRAULIC COOLER ...2981
    RADIATOR, HYDRAULIC COOLER...2982
      REMOVAL OF RADIATOR, HYDRAULIC COOLER ...2982
      INSTALLATION OF RADIATOR,  HYDRAULIC COOLER ...2983
    ENGINE, MAIN PUMP...2984
      REMOVAL OF ENGINE, MAIN PUMP ...2984
      INSTALLATION OF ENGINE, MAIN PUMP ...2987
    DAMPER...2988
      REMOVAL OF DAMPER ...2988
      INSTALLATION OF DAMPER ...2988
    FUEL TANK...2989
      REMOVAL OF FUEL TANK...2989
      INSTALLATION OF FUEL TANK ...2989
    CENTER SWIVEL JOINT...2990
      REMOVAL OF CENTER SWIVEL JOINT ...2990
      INSTALLATION OF CENTER JOINT ...2990
      DISASSEMBLY OF CENTER SWIVEL JOINT ...2991
      ASSEMBLY OF CENTER SWIVEL JOINT ...2991
    FINAL DRIVE - PC3OOLC...2992
      REMOVAL OF FINAL DRIVE - PC3OOLC ...2992
      INSTALLATION OF FINAL DRIVE ...2992
      DISASSEMBLY OF FINAL DRIVE ...2993
      ASSEMBLY OF FINAL DRIVE ...2997
    FINAL DRIVE - PC300HD...3004
      REMOVAL OF FINAL DRIVE - PC300HD ...3004
      INSTALLATION OF FINAL DRIVE ...3004
      DISASSEMBLY OF FINAL DRIVE ...3005
      ASSEMBLY OF FINAL DRIVE...3009
    TRAVEL MOTOR - PC3OOLC...3016
      DISASSEMBLY OF TRAVEL MOTOR - PC3OOLC ...3016
      ASSEMBLY OF TRAVEL MOTOR ...3020
    TRAVEL MOTOR - PC300HD...3029
      DISASSEMBLY OF TRAVEL MOTOR - PC300HD ...3029
      ASSEMBLY OF TRAVEL MOTOR ...3033
    SPROCKET...3043
      REMOVAL OF SPROCKET ...3043
      INSTALLATION OF SPROCKET ...3043
    SWING MOTOR...3044
      REMOVAL OF SWING MOTOR ...3044
      INSTALLATION OF SWING MOTOR ...3044
      DISASSEMBLY OF SWING MOTOR ...3045
      ASSEMBLY OF SWING MOTOR ...3047
    SWING MACHINERY...3054
      REMOVAL OF SWING MACHINERY ...3054
      INSTALLATION OF SWING MACHINERY ...3054
      DISASSEMBLY OF SWING MACHINERY ...3054
      ASSEMBLY OF SWING MACHINERY...3058
    REVOLVING FRAME...3063
      REMOVAL OF REVOLVING FRAME ...3063
      INSTALLATION OF REVOLVING FRAME ...3064
    SWING CIRCLE...3065
      REMOVAL OF SWING CIRCLE ...3065
      INSTALLATION OF SWING CIRCLE ...3065
    IDLER, RECOIL SPRING...3066
      REMOVAL OF IDLER, RECOIL SPRING ...3066
      INSTALLATION OF IDLER, RECOIL  SPRING ...3066
    IDLER - PC3OOLC...3067
      DISASSEMBLY OF IDLER - PC3OOLC ...3067
      ASSEMBLY OF IDLER ...3068
    IDLER - PC300HD...3070
      DISASSEMBLY OF IDLER - PC300HD ...3070
      ASSEMBLY OF IDLER ...3071
    RECOIL SPRING...3073
      DISASSEMBLY OF RECOIL SPRING ...3073
      ASSEMBLY OF RECOIL SPRING ...3074
    TRACK ROLLER...3075
      REMOVAL OF TRACK ROLLER ...3075
      INSTALLATION OF TRACK ROLLER ...3075
      DISASSEMBLY OF TRACK ROLLER ...3076
      ASSEMBLY OF TRACK ROLLER ...3077
    CARRIER ROLLER...3079
      REMOVAL OF CARRIER ROLLER ...3079
      INSTALLATION OF CARRIER ROLLER ...3079
      DISASSEMBLY OF CARRIER ROLLER ...3080
      ASSEMBLY OF CARRIER ROLLER ...3081
    TRACK SHOE...3084
      REMOVAL OF TRACK SHOE ...3084
      INSTALLATION OF TRACK SHOE ...3084
    HYDRAULIC TANK...3085
      REMOVAL OF HYDRAULIC TANK ...3085
      INSTALLATION OF HYDRAULIC TANK ...3086
    CONTROL PUMP...3087
      REMOVAL OF CONTROL PUMP ...3087
      INSTALLATION OF CONTROL PUMP ...3087
    MAIN PUMP...3088
      REMOVAL OF MAIN PUMP ...3088
      INSTALLATION OF MAIN PUMP ...3089
      DISASSEMBLY OF MAIN PUMP ...3090
      ASSEMBLY OF MAIN PUMP ...3096
      CHECKING CONTACT BETWEEN CYLINDER BLOCK AND VALVE PLATE,  ROCKER CAM AND CRADLE, VALVE PLATE AND END CAP ...3105
    MAIN PUMP INPUT SHAFT OIL SEAL...3107
      REMOVAL OF MAIN PUMP INPUT SHAFT OIL SEAL ...3107
      INSTALLATION OF MAIN PUMP INPUT  SHAFT OIL SEAL ...3107
    CONTROL VALVE...3108
      REMOVAL OF CONTROL VALVE ...3108
      INSTALLATION OF CONTROL VALVE ...3110
      DISASSEMBLY OF CONTROL VALVE ...3111
      ASSEMBLY OF CONTROL VALVE ...3114
    PUMP MERGE/DIVIDER VALVE...3118
      DISASSEMBLY OF PUMP MERGE/DIVIDER VALVE ...3118
      ASSEMBLY OF PUMP MERGE/DIVIDER  VALVE ...3118
    PRESSURE COMPENSATION VALVE...3119
      DISASSEMBLY OF PRESSURE COMPENSATION VALVE ...3119
      ASSEMBLY OF PRESSURE  COMPENSATION VALVE ...3119
    SERVO VALVE FOR FRONT PUMP...3120
      REMOVAL OF SERVO VALVE FOR FRONT PUMP ...3120
      INSTALLATION OF SERVO VALVE FOR  FRONT PUMP ...3120
    SERVO VALVE FOR REAR PUMP...3121
      REMOVAL OF SERVO VALVE FOR REAR PUMP ...3121
      INSTALLATION OF SERVO VALVE FOR  REAR PUMP ...3121
    LS-EPC SOLENOID VALVE...3122
      REMOVAL OF LS-EPC SOLENOID VALVE ...3122
      INSTALLATION OF LS-EPC SOLENOID  VALVE ...3122
    SOLENOID VALVE...3123
      REMOVAL OF SOLENOID VALVE ...3123
      INSTALLATION OF SOLENOID VALVE ...3123
    WORK EQUIPMENT PPC VALVE...3124
      REMOVAL OF WORK EQUIPMENT PPC VALVE ...3124
      INSTALLATION OF WORK EQUIPMENT  PPC VALVE ...3124
    WORK EQUIPMENT PPC VALVE...3125
      DISASSEMBLY OF WORK EQUIPMENT PPC VALVE ...3125
      ASSEMBLY OF WORK EQUIPMENT PPC  VALVE ...3125
    TRAVEL PPC VALVE...3126
      REMOVAL OF TRAVEL PPC VALVE ...3126
      INSTALLATION OF TRAVEL PPC VALVE ...3126
      DISASSEMBLY OF TRAVEL PPC VALVE ...3127
      ASSEMBLY OF TRAVEL PPC VALVE ...3128
      REMOVAL OF PPC SHUTTLE VALVE ...3129
      INSTALLATION OF PPC SHUTTLE VALVE ...3130
      DISASSEMBLY OF PPC SHUTTLE VALVE ...3131
      ASSEMBLY OF PPC SHUTTLE VALVE ...3132
    BOOM LOCK VALVE...3133
      REMOVAL OF BOOM LOCK VALVE...3133
      INSTALLATION OF BOOM LOCK VALVE ...3133
      DISASSEMBLY OF BOOM LOCK VALVE ...3133
      ASSEMBLY OF BOOM LOCK VALVE ...3133
    BOOM CYLINDER...3134
      REMOVAL OF BOOM CYLINDER ...3134
      INSTALLATION OF BOOM CYLINDER ...3135
    ARM CYLINDER...3136
      REMOVAL OF ARM CYLINDER ...3136
      INSTALLATION OF ARM CYLINDER ...3137
    BUCKET CYLINDER...3138
      REMOVAL OF BUCKET CYLINDER ...3138
      INSTALLATION OF BOOM CYLINDER ...3139
    HYDRAULIC CYLINDER...3140
      DISASSEMBLY OF HYDRAULIC CYLINDER ...3140
      ASSEMBLY OF HYDRAULIC CYLINDER...3142
    WORK EQUIPMENT...3144
      REMOVAL OF WORK EQUIPMENT ...3144
      INSTALLATION OF WORK EQUIPMENT ...3145
    BUCKET...3146
      REMOVAL OF BUCKET ...3146
      INSTALLATION OF BUCKET ...3147
    ARM...3148
      REMOVAL OF ARM ...3148
      INSTALLATION OF ARM ...3149
    BUCKET, ARM...3150
      REMOVAL OF BUCKET, ARM ...3150
      INSTALLATION OF BUCKET, ARM ...3151
    BOOM...3152
      REMOVAL OF BOOM ...3152
      INSTALLATION OF BOOM ...3153
    OPERATORS CAB...3154
      REMOVAL OF OPERATORS CAB...3154
      INSTALLATION OF OPERATORS CAB ...3155
    COUNTERWEIGHT...3156
      REMOVAL OF COUNTERWEIGHT ...3156
      INSTALLATION OF COUNTERWEIGHT ...3156
    AIR CONDITIONER COMPRESSOR...3157
      REMOVAL OF AIR CONDITIONER COMPRESSOR ...3157
      INSTALLATION OF AIR CONDITIONER  COMPRESSOR ...3157
    CONDENSER...3158
      REMOVAL OF CONDENSER ...3158
      INSTALLATION OF CONDENSER ...3158
    AIR CONDITIONER UNIT...3159
      REMOVAL OF AIR CONDITIONER UNIT ...3159
      INSTALLATION OF AIR CONDITIONER  UNIT ...3160
    GOVERNOR, PUMP CONTROLLER...3161
      REMOVAL OF GOVERNOR, PUMP CONTROLLER ...3161
      INSTALLATION OF GOVERNOR, PUMP  CONTROLLER ...3161
    MONITOR PANEL...3162
      REMOVAL OF MONITOR PANEL...3162
      INSTALLATION OF MONITOR PANEL ...3162
    CONTROL STAND CASE...3163
      REMOVAL OF CONTROL STAND CASE ...3163
      INSTALLATION OF CONTROL STAND  CASE ...3164
  40 MAINTENANCE STANDARD...3165
    ENGINE MOUNT...3166
    SWING MACHINERY ...3167
    SWING CIRCLE ...3169
    FINAL DRIVE (PC300LC-6)...3170
    FINAL DRIVE (PC300HD-6)...3172
    TRACK FRAME - RECOIL SPRING (PC300LC-6)...3174
    TRACK FRAME - RECOIL SPRING (PC300HD-6)...3175
    IDLER (PC300LC-6)...3176
    IDLER (PC300HD-6)...3178
    CARRIER ROLLER ...3179
    TRACK ROLLER...3180
    TRACK CHAIN ASSM. (PC300LC-6)...3182
    TRACK CHAIN ASSM. (PC300HD-6)...3183
    HYDRAULIC PUMP ...3184
    CONTROL PUMP AND RELIEF VALVE ...3185
    CONTROL VALVE (10-SPOOL)...3186
    SUCTION-SAFETY VALVE...3192
    SWING MOTOR ...3193
    TRAVEL MOTOR (PC300LC-6)...3194
    TRAVEL MOTOR (PC300HD-6)...3195
    WORK EQUIPMENT - SWING PPC VALVE ...3196
    TRAVEL PPC VALVE ...3197
    SERVICE PPC VALVE ...3198
    PPC SHUTTLE VALVE - TRAVEL JUNCTION VALVE ...3199
    EPC - SOLENOID VALVE ...3200
    CENTER SWIVEL JOINT...3201
    BOOM HOLDING VALVE...3202
    HYDRAULIC CYLINDER ...3203
    WORK EQUIPMENT ...3204
SEAM02070501 - Hydraulic Excavator PC300-5, PC300LC-5 Operation & Maintenance Manual...3211
  FOREWORD...3213
  CONTENTS...3215
  OPERATION...3216
    GENERAL LOCATIONS AND SPECIFICATIONS...3216
    INSTRUMENTS AND CONTROLS...3218
    METHOD OF USING MODE SELECTOR SWITCHES...3258
    CHECK BEFORE STARTING...3262
    OPERATING YOUR MACHINE...3268
    INVERSION AND REPLACEMENT OF BUCKET...3290
    HANDLING THE TRAPEZOIDAL BUCKET...3292
    HANDLING THE CLAMSHELL BUCKET...3292
    SELECTION OF TRACK SHOES...3294
    SELECTION OF BUCKET TEETH...3296
    TRANSPORTATION...3297
    INSTALLATION OF OPTIONAL ELECTRICAL EQUIPMENT...3302
    COLD WEATHER OPERATION...3304
  MAINTENANCE...3313
    PERIODIC MAINTENANCE...3313
      PRECAUTIONS WHEN DISASSEMBLING MACHINE...3314
      BLEEDING AIR FROM CIRCUIT...3316
      PERIODICAL REPLACEMENT OF SAFETY PARTS...3320
      MAINTENANCE TABLE...3324
      OIL FILLER AND LEVEL GAUGE POSITIONS...3328
      CHECK BEFORE STARTING...3330
      EVERY 100 HOURS SERVICE...3330
      INITIAL 250 HOURS SERVICE...3334
      EVERY 250 HOURS SERVICE...3336
      EVERY 500 HOURS SERVICE...3344
      EVERY 1000 HOURS SERVICE...3348
      EVERY 2000 HOURS SERVICE...3352
      EVERY 4000 HOURS SERVICE...3357
      WHEN REQUIRED...3358
    ADJUSTMENT...3376
    TROUBLE SHOOTING GUIDE...3378
    SERVICE METER...3388
    MACHINE AND ENGINE SERIAL NUMBERS...3390
    FUEL, COOLANT AND LUBRICANTS...3392
  SAFETY AND OPERATION...3395
    CONTENTS...3397
    SAFETY HINTS...3398
    RADIO...3414
    LOCKING CAP...3418
    OPERATING THE CAR COOLER...3420
    OPERATING THE AIR CONDITIONER...3424
    EXCAVATOR’S WORK...3433
    HANDLING OF BATTERY...3434
    PRECAUTIONS FOR MAINTENANCE...3440
    STORAGE...3446
    COOLANT AND LUBRICANTS...3448

Komatsu PC300LC, PC300HD Hydraulic Excavators & Logging Excavator PC300LL Repair Service Manuals