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Complete service repair manual with Electrical Wiring Diagrams for Komatsu Hydraulic Excavator PC200-6, PC200LC-6, PC210LC-6, PC220LC-6, PC250LC-6, with all the technical information to maintain, diagnose, repair, rebuild like professional mechanics.
Komatsu Hydraulic Excavator PC200-6, PC200LC-6, PC210LC-6, PC220LC-6, PC250LC-6 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.
CEBM000102 – Hydraulic Excavator PC200-6, PC200LC-6, PC210LC-6, PC220LC-6, PC250LC-6 Shop Manual.pdf
CEBM001001 – Hydraulic Excavator PC200LC-6, PC210LC-6, PC220LC-6, PC250LC-6 Shop Manual.pdf
CEBMX20601 – Hydraulic Excavator PC200-6, PC200LC-6, PC210LC-6, PC220LC-6, PC250LC-6 Shop Manual.pdf
CEAM000101 – Hydraulic Excavator PC200-6, PC200LC-6, PC210LC-6, PC220LC-6, PC250LC-6 Operation & Maintenance Manual.pdf
CEAM001200 – Hydraulic Excavator PC200-6, PC200LC-6, PC210LC-6, PC220LC-6, PC250LC-6 Operation & Maintenance Manual.pdf
CEAMX20601 – Hydraulic Excavator PC200-6, PC200LC-6, PC210LC-6, PC220LC-6, PC250LC-6 Operation & Maintenance Manual.pdf
PRODUCT DETAILS:
Total Pages: 2,913 pages
File Format: PDF
Language: English
CEAM000101 – Hydraulic Excavator PC200-6, PC200LC-6, PC210LC-6, PC220LC-6, PC250LC-6 Operation & Maintenance Manual…2
INTRODUCTION…4
1. FORWARD…4
2. SAFETY INFORMATION…5
3. INTRODUCTION…6
3.1 INTENDED USE…6
3.2 FEATURES…6
3.3 BREAKING IN A NEW MACHINE…6
4. LOCATION OF PLATES, TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR…7
4.1 MACHINE SERIAL NO. PLATE POSITION…7
4.2 ENGINE SERIAL NO. PLATE POSITION…7
4.3 TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR…7
5. CONTENTS…8
SAFETY…13
6. GENERAL PRECAUTIONS…14
7. PRECAUTIONS DURING OPERATION…21
7.1 BEFORE STARTING ENGINE…21
7.2 OPERATING MACHINE…23
7.3 TRANSPORTATION…29
7.4 BATTERY…30
7.5 TOWING…31
7.6 BUCKET WITH HOOK…32
7.6.1 GENERAL PRECAUTIONS…32
7.6.2 PRECAUTIONS FOR LIFTING OPERATION…33
8. PRECAUTIONS FOR MAINTENANCE…34
8.1 BEFORE CARRYING OUT MAINTENANCE…34
8.2 DURING MAINTENANCE…37
9. POSITION FOR ATTACHING SAFETY LABELS…41
OPERATION…45
10. GENERAL VIEW…46
10.1 GENERAL VIEW OF MACHINE…46
10.2 GENERAL VIEW OF CONTROLS AND GAUGES…47
11. EXPLANATION OF COMPONENTS…48
11.1 MACHINE MONITOR…48
11.1.1 BASIC CHECK ITEMS…48
11.1.2 CAUTION ITEMS…49
11.1.3 EMERGENCY STOP ITEMS…49
11.1.4 METER DISPLAY PORTION…49
11.1.15 SWITCHES…49
11.2 METER…59
11.3 SWITCHES…60
11.4 CONTROL LEVERS, PEDALS…64
11.5 CEILING WINDOW…69
11.6 FRONT WINDOW…70
11.7 DOOR LOCK…72
11.8 CAP, COVER WITH LOCK…73
11.8.1 METHOD OF OPENING AND CLOSING CAP WITH LOCK…73
11.8.2 METHOD OF OPENING AND CLOSING COVER WITH LOCK…73
11.9 HOT/COOL BOX…74
11.10 LUGGAGE BOX…74
11.11 ASHTRAY…74
11.12 CAB HEATER…75
11.13 CAR RADIO…77
11.13.1 EXPLANATION OF COMPONENTS…77
11.13.2 LOCATION AND FUNCTION OF CONTROLS…77
11.13.3 METHOD OF OPERATION…80
11.13.4 PRECAUTIONS WHEN USING…81
11.13.5 SPECIFICATIONS…81
11.14 FUSE…82
11.15 FUSIBLE LINK…83
11.16 CONTROLLERS…83
11.17 TOOL BOX…83
11.18 GREASE PUMP HOLDER…83
11.19 HANDLING ACCUMULATOR…84
11.19.1 METHOD OF RELEASING PRESSURE IN CONTROL CIRCUIT ON MACHINE EQUIPPED WITH ACCUMULATOR…84
12. OPERATION…85
12.1 CHECK BEFORE STARTING ENGINE…85
12.1.1 WALK-AROUND CHECK…85
12.1.2 CHECK BEFORE STARTING…87
12.1.3 ADJUSTMENT BEFORE OPERATION…91
12.1.4 OPERATIONS AND CHECKS BEFORE STARTING ENGINE…93
12.2 STARTING ENGINE…94
12.2.1 NORMAL STARTING…94
12.2.2 STARTING IN COLD WEATHER…95
12.3 OPERATIONS AND CHECKS AFTER STARTING ENGINE…97
12.3.1 WHEN NORMAL…97
12.3.2 IN COLD AREAS…99
12.4 MOVING MACHINE…102
12.4.1 MOVING MACHINE FORWARD…102
12.4.2 MOVING MACHINE BACKWARD…103
12.5 STEERING MACHINE…105
12.5.1 STEERING (CHANGING DIRECTION)…105
12.6 STOPPING MACHINE…107
12.7 SWINGING…108
12.8 OPERATION OF WORK EQUIPMENT…109
12.9 WORKING MODE SELECTION…110
12.10 PROHIBITIONS FOR OPERATION…112
12.11 PRECAUTIONS FOR OPERATION…114
12.12 PRECAUTIONS WHEN TRAVELING UP OR DOWN HILLS…115
12.13 HOW TO ESCAPE FROM MUD…117
12.13.1 WHEN ONE SIDE IS STUCK…117
12.13.2 WHEN BOTH SIDES ARE STUCK…117
12.14 WORK POSSIBLE USING HYDRAULIC EXCAVATOR…118
12.14.1 BACKHOE WORK…118
12.14.2 SHOVEL WORK…118
12.14.3 DITCHING WORK…118
12.14.4 LOADING WORK…118
12.15 REPLACEMENT AND INVERSION OF BUCKET…119
12.15.1 REPLACEMENT…119
12.15.2 INVERSION…120
12.16 PARKING MACHINE…121
12.17 CHECK AFTER FINISHING WORK…122
12.18 STOPPING ENGINE…123
12.19 CHECK AFTER STOPPING ENGINE…124
12.20 LOCKING AND SECURING MACHINE…124
13. TRANSPORTATION…125
13.1 LOADING, UNLOADING WORK…125
13.2 PRECAUTIONS FOR LOADING…127
13.3 PRECAUTIONS FOR TRANSPORTATION…128
14. COLD WEATHER OPERATION…129
14.1 PRECAUTIONS FOR LOW TEMPERATURE…129
14.1.1 FUEL AND LUBRICANTS…129
14.1.2 COOLANT…129
14.1.3 BATTERY…130
14.2 PRECAUTIONS AFTER COMPLETION OF WORK…131
14.3 AFTER COLD WEATHER…131
15. LONG-TERM STORAGE…132
15.1 BEFORE STORAGE…132
15.2 DURING STORAGE…133
15.3 AFTER STORAGE…133
15.4 STARTING MACHINE AFTER LONG-TERM STORAGE…133
16. TROUBLESHOOTING…134
16.1 PHENOMENA THAT ARE NOT FAILURES…134
16.2 METHOD OF TOWING MACHINE…134
16.3 METHOD FOR USING LIGHT-WEIGHT TOWING HOLE…134
16.4 PRECAUTIONS ON PARTICULAR JOBSITES…135
16.5 IF BATTERY IS DISCHARGED…135
16.5.1 STARTING ENGINE WITH BOOSTER CABLE…136
16.6 OTHER TROUBLE…138
16.6.1 ELECTRICAL SYSTEM…138
16.6.2 CHASSIS…139
16.6.3 ENGINE…140
16.6.4 ELECTRONIC CONTROL SYSTEM…142
MAINTENANCE…143
17. GUIDES TO MAINTENANCE…144
18. OUTLINES OF SERVICE…147
18.1 OUTLINE OF OIL, FUEL, COOLANT…147
18.1.1 OIL…147
18.1.2 FUEL…148
18.1.3 COOLANT…148
18.1.4 GREASE…149
18.1.5 STORING OIL AND FUEL…149
18.1.6 FILTERS…149
18.2 OUTLINE OF ELECTRICAL SYSTEM…150
18.3 OUTLINE OF HYDRAULIC SYSTEM…151
19. WEAR PARTS LIST…152
20. USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE…154
20.1 ENGINE OIL SPECIFICATION…155
21. STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS…157
21.1 INTRODUCTION OF NECESSARY TOOLS…157
21.2 TORQUE LIST…158
22. PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS…159
23. MAINTENANCE SCHEDULE CHART…161
23.1 MAINTENANCE SCHEDULE CHART…161
23.2 MAINTENANCE INTERVAL WHEN USING HYDRAULIC BREAKER…163
24. SERVICE PROCEDURE…164
24.1 INITIAL 250 HOURS SERVICE…164
24.2 WHEN REQUIRED…165
24.2.1 CHECK, CLEAN AND REPLACE AIR CLEANER ELEMENT…165
24.2.2 CLEAN INSIDE OF COOLING SYSTEM (2 years or 2000 hours whichever occurs first)…167
24.2.3 CHECK AND TIGHTEN TRACK SHOE BOLTS…171
24.2.4 CHECK AND ADJUST TRACK TENSION…172
24.2.5 CHECK ENGINE INTAKE AIR HEATER (ELECTRICAL)…174
24.2.6 INSTALLATION OF BUCKET TEETH (ESCO VERTALOK® TYPE)…175
24.2.7 INSTALLATION OF BUCKET TEETH (ESCO SUPERV ® TYPE)…178
24.2.8 REMOVAL OF BUCKET TEETH (ESCO VERTALOK® TYPE)…180
24.2.9 REMOVAL OF BUCKET TEETH (ESCO SUPERV ® TYPE)…182
24.2.10 ADJUST BUCKET CLEARANCE…184
24.2.11 CHECK WINDOW WASHER FLUID LEVEL, ADD FLUID…185
24.2.12 CHECK AND ADJUST AIR CONDITIONER…186
24.2.13 REPLACE ADDITIONAL BREAKER FILTER ELEMENT…187
24.2.14 CLEAN INLINE FILTER (CYLINDRICAL HOUSING)…188
24.2.15 CLEAN INLINE FILTER (RECTANGULAR HOUSING)…189
24.3 CHECK BEFORE STARTING…190
24.3.1 CHECK COOLANT LEVEL, ADD COOLANT…190
24.3.2 CHECK OIL LEVEL IN ENGINE OIL PAN, ADD OIL…190
24.3.3 CHECK FUEL LEVEL, ADD FUEL…191
24.3.4 CHECK OIL LEVEL IN HYDRAULIC TANK, ADD OIL…192
24.3.5 CHECK AIR CLEANER FOR CLOGGING…192
24.3.6 CHECK ELECTRIC WIRING…193
24.3.7 CHECK FOR WATER AND SEDIMENT IN SEDIMENTOR, DRAIN WATER AND SEDIMENT…193
24.4 EVERY 100 HOURS SERVICE…194
24.4.1 LUBRICATING…194
24.4.2 CHECK OIL LEVEL IN SWING MACHINERY CASE, ADD OIL…196
24.4.3 DRAIN WATER AND SEDIMENT FROM FUEL TANK…196
24.5 EVERY 250 HOURS SERVICE…197
24.5.1 CHECK OIL LEVEL IN FINAL DRIVE CASE, ADD OIL…197
24.5.2 CHECK LEVEL OF BATTERY ELECTROLYTE…198
24.5.3 REPLACE HYDRAULIC FILTER ELEMENT…199
24.5.4 LUBRICATE SWING CIRCLE PC200, 200LC, 210LC, 220LC: 2 POINTS PC250: 3 POINTS…200
24.5.5 CHECK AIR CONDITIONER COMPRESSOR BELT TENSION, ADJUST…201
24.5.6 CHANGE OIL IN ENGINE OIL PAN, REPLACE ENGINE OIL FILTER CARTRIDGE…202
24.6 EVERY 500 HOURS SERVICE…203
24.6.1 REPLACE FUEL FILTER CARTRIDGE…203
24.6.2 CHECK SWING PINION GREASE LEVEL, ADD GREASE…205
24.6.3 CLEAN AND INSPECT RADIATOR FINS, OIL COOLER FINS, AFTERCOOLER FINS AND CONDENSER FINS (ONLY FOR MACHINES EQUIPPED WITH AC…206
24.6.4 CLEAN INTERNAL AND EXTERNAL AIR FILTERS OF AIR CONDITIONER SYSTEM (ONLY FOR MACHINES EQUIPPED WITH AIR CONDITIONER)…207
24.6.5 REPLACE HYDRAULIC TANK BREATHER ELEMENT…207
24.7 EVERY 1000 HOURS SERVICE…208
24.7.1 CHANGE OIL IN SWING MACHINERY CASE…208
24.7.2 CHECK OIL LEVEL IN DAMPER CASE, ADD OIL…209
24.7.3 CHECK ALL TIGHTENING PARTS OF TURBOCHARGER…209
24.7.4 CHECK PLAY OF TURBOCHARGER ROTOR…209
24.7.5 CHECK AND ADJUST VALVE CLEARANCE…210
24.7.6 CHECK FAN BELT TENSIONER BEARING, BELT AND FAN HUB…211
24.7.7 CHECK FAN BELT TENSION…211
24.8 EVERY 2000 HOURS SERVICE…212
24.8.1 CHANGE OIL IN FINAL DRIVE CASE…212
24.8.2 CHANGE OIL IN HYDRAULIC TANK, CLEAN STRAINER…213
24.8.3 CLEAN, CHECK TURBOCHARGER…216
24.8.4 CHECK ALTERNATOR, STARTING MOTOR…216
24.8.5 CHECK VIBRATION DAMPER…216
24.8.6 CHANGE ANTIFREEZE…216
24.8.7 CHECK AND ADJUST VALVE CLEARANCE…216
24.9 EVERY 4000 HOURS SERVICE…217
24.9.1 CHECK WATER PUMP…217
SPECIFICATIONS…218
25. SPECIFICATIONS…219
OPTIONS, ATTACHMENTS…226
26. GENERAL PRECAUTIONS…227
26.1 PRECAUTIONS RELATED TO SAFETY…227
26.2 PRECAUTIONS WHEN INSTALLING ATTACHMENTS…228
27. HANDLING BUCKET WITH HOOK…229
27.1 CHECK FOR DAMAGE TO BUCKET WITH HOOK…229
27.2 PROHIBITED OPERATIONS…229
27.3 PRECAUTIONS DURING OPERATIONS…229
28. HANDLING AIR CONDITIONER…230
28.1 GENERAL LOCATIONS ON CONTROL PANEL…230
28.2 PRECAUTIONS WHEN USING AIR CONDITIONER…232
29. MACHINES READY FOR ATTACHMENTS…233
29.1 EXPLANATION OF COMPONENTS…233
29.2 HYDRAULIC CIRCUIT…235
29.2.1 CONNECTING HYDRAULIC CIRCUIT…236
29.3 ATTACHMENT MOUNTING/DISMOUNTING PROCEDURE…237
29.4 OPERATION…239
29.5 LONG-TERM STORAGE…240
29.6 SPECIFICATIONS…240
30. INTRODUCTION OF ATTACHMENTS…241
30.1 BUCKET SELECTION…241
30.2 BUCKET INSTALLATION COMBINATIONS…241
30.3 SELECTION OF TRACK SHOES…246
30.4 BACKHOE CONTROL PATTERN CONVERSION…247
31. EXTENDING MACHINE SERVICE LIFE…248
31.1 HYDRAULIC BREAKER…248
31.2 CRUSHER…251
31.3 GRAPPLE…252
31.4 BUCKET WITH THUMB GRAPPLE…253
31.5 ROTATING GRAPPLE…254
31.6 SHEAR…255
31.7 HYDRAULIC PILE DRIVER…256
CEAM001200 – Hydraulic Excavator PC200-6, PC200LC-6, PC210LC-6, PC220LC-6, PC250LC-6 Operation & Maintenance Manual…257
COVER…257
1. FORWARD…259
2. SAFETY INFORMATION…260
3. INTRODUCTION…261
3.1 INTENDED USE…261
3.2 FEATURES…261
3.3 BREAKING IN A NEW MACHINE…261
4. LOCATION OF PLATES, TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR…262
4.1 MACHINE SERIAL NO. PLATE POSITION…262
4.2 ENGINE SERIAL NO. PLATE POSITION…262
4.3 TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR…262
5. CONTENTS…263
6. GENERAL PRECAUTIONS…269
7. PRECAUTIONS DURING OPERATIONS…276
7.1 BEFORE STARTING ENGINE…276
7.2 OPERATING MACHINE…278
7.3 TRANSPORTATION…286
7.4 BATTERY…287
7.5 TOWING…289
7.6 BUCKET WITH HOOK…290
7.6.1 GENERAL PRECAUTIONS…290
7.6.2 PRECAUTIONS FOR LIFTING OPERATION…291
8. PRECAUTIONS FOR MAINTENANCE…292
8.1 BEFORE CARRYING OUT MAINTENANCE…292
8.2 DURING MAINTENANCE…295
9. POSITION FOR ATTACHING SAFETY LABELS…300
10. GENERAL VIEW…305
10.1 GENERAL VIEW OF MACHINE…305
10.2 GENERAL VIEW OF CONTROLS AND GAUGES…306
11. EXPLANATION OF COMPONENTS…307
11.1 MACHINE MONITOR…307
11.1.1 A. BASIC CHECK ITEMS…307
11.1.2 B. CAUTION ITEMS…309
11.1.3 C. EMERGENCY STOP ITEMS…310
11.1.4 D. METER DISPLAY PORTION…311
11.1.5 E: SWITCHES…315
11.2 SWITCHES…318
11.3 CONTROL LEVERS, PEDALS…322
11.4 CEILING WINDOW…327
11.5 FRONT WINDOW…328
11.6 DOOR LOCK…330
11.7 CAP, COVER WITH LOCK…331
11.7.1 METHOD OF OPENING AND CLOSING CAP WITH LOCK…331
11.7.2 METHOD OF OPENING AND CLOSING COVER WITH LOCK…331
11.8 HOT/COOL BOX…332
11.9 LUGGAGE BOX…332
11.10 ASHTRAY…332
11.11 CAB HEATER…333
11.12 CAR RADIO…335
11.12.1 EXPLANATION OF COMPONENTS…335
11.12.2 LOCATION AND FUNCTION OF CONTROLS…335
11.12.3 METHOD OF OPERATION…338
11.12.4 PRECAUTIONS WHEN USING…339
11.12.5 SPECIFICATIONS…339
11.13 FUSE…340
11.14 FUSIBLE LINK…341
11.15 CONTROLLER…341
11.16 TOOL BOX…341
11.17 GREASE PUMP HOLDER…341
11.18 HANDLING ACCUMULATOR…342
11.18.1 METHOD OF RELEASING PRESSURE IN CONTROL CIRCUIT ON MACHINE EQUIPPED WITH ACCUMULATOR…342
12. OPERATION…343
12.1 CHECK BEFORE STARTING ENGINE…343
12.1.1 WALK-AROUND CHECK…343
12.1.2 CHECK BEFORE STARTING…345
12.1.3 ADJUSTMENT BEFORE OPERATION…349
12.1.4 OPERATIONS AND CHECKS BEFORE STARTING ENGINE…351
12.2 STARTING ENGINE…352
12.2.1 NORMAL STARTING…352
12.2.2 STARTING IN COLD WEATHER…353
12.3 OPERATIONS AND CHECKS AFTER STARTING ENGINE…355
12.3.1 WHEN NORMAL…355
12.3.2 IN COLD AREAS…357
12.4 MOVING MACHINE…360
12.4.1 MOVING MACHINE FORWARD…360
12.4.2 MOVING MACHINE BACKWARD…361
12.5 STEERING MACHINE…363
12.6 STOPPING MACHINE…365
12.7 SWINGING…366
12.8 OPERATION OF WORK EQUIPMENT…367
12.9 HANDLING ACTIVE MODE…368
12.10 WORKING MODE SELECTION…370
12.11 PROHIBITIONS FOR OPERATION…372
12.12 PRECAUTIONS FOR OPERATION…374
12.13 PRECAUTIONS WHEN TRAVELING UP OR DOWN HILLS…375
12.14 HOW TO ESCAPE FROM MUD…377
12.14.1 WHEN ONE SIDE IS STUCK…377
12.14.2 WHEN BOTH SIDES ARE STUCK…377
12.15 WORK POSSIBLE USING HYDRAULIC EXCAVATOR…378
12.15.1 BACKHOE WORK…378
12.15.2 SHOVEL WORK…378
12.15.3 DITCHING WORK…378
12.15.4 LOADING WORK…378
12.16 REPLACEMENT AND INVERSION OF BUCKET…379
12.16.1 REPLACEMENT…379
12.16.2 INVERSION…380
12.17 PARKING MACHINE…381
12.18 CHECK AFTER FINISHING WORK…382
12.19 STOPPING ENGINE…383
12.20 CHECK AFTER STOPPING ENGINE…384
12.21 LOCKING AND SECURING MACHINE…384
13. TRANSPORTATION…385
13.1 LOADING, UNLOADING WORK…385
13.2 PRECAUTIONS FOR LOADING…387
13.3 PRECAUTIONS FOR TRANSPORTATION…388
14. COLD WEATHER OPERATION…389
14.1 PRECAUTIONS FOR LOW TEMPERATURE…389
14.1.1 FUEL AND LUBRICANTS…389
14.1.2 COOLANT…389
14.1.3 BATTERY…390
14.2 PRECAUTIONS AFTER COMPLETION OF WORK…391
14.3 AFTER COLD WEATHER…391
15. LONG-TERM STORAGE…392
15.1 BEFORE STORAGE…392
15.2 DURING STORAGE…393
15.3 AFTER STORAGE…393
15.4 STARTING MACHINE AFTER LONG-TERM STORAGE…393
16. TROUBLESHOOTING…394
16.1 PHENOMENA THAT ARE NOT FAILURES…394
16.2 METHOD OF TOWING MACHINE…394
16.3 METHOD FOR USING LIGHT-WEIGHT TOWING HOLE…394
16.4 PRECAUTIONS ON PARTICULAR JOBSITES…395
16.5 IF BATTERY IS DISCHARGED…395
16.6 OTHER TROUBLE…399
16.6.1 ELECTRICAL SYSTEM…399
16.6.2 CHASSIS…400
16.6.3 ENGINE…401
16.6.4 ELECTRONIC CONTROL SYSTEM…403
17. GUIDES TO MAINTENANCE…405
18. OUTLINES OF SERVICE…408
18.1 OUTLINE OF OIL, FUEL, COOLANT…408
18.1.1 OIL…408
18.1.2 FUEL…409
18.1.3 COOLANT…409
18.1.4 GREASE…410
18.1.5 STORING OIL AND FUEL…410
18.1.6 FILTERS…410
18.2 OUTLINE OF ELECTRICAL SYSTEM…411
18.3 OUTLINE OF HYDRAULIC SYSTEM…412
19. WEAR PARTS LIST…413
20. USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE…415
20.1 ENGINE OIL SPECIFICATION…416
20.1.1 NORMAL OPERATION…416
20.1.2 ARCTIC OPERATION…416
20.2 DIESEL FUEL SPECIFICATIONS…417
21. STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS…418
21.1 INTRODUCTION OF NECESSARY TOOLS…418
21.2 TORQUE LIST…419
22. PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS…420
23. MAINTENANCE SCHEDULE CHART…423
23.1 MAINTENANCE SCHEDULE CHART…423
23.2 MAINTENANCE INTERVAL WHEN USING HYDRAULIC BREAKER…426
24. SERVICE PROCEDURE…427
24.1 INITIAL 250 HOURS SERVICE…427
24.2 WHEN REQUIRED…428
24.2.1 CHECK, CLEAN AND REPLACE AIR CLEANER ELEMENT…428
24.2.2 CLEAN INSIDE OF COOLING SYSTEM…430
24.2.3 CHECK AND TIGHTEN TRACK SHOE BOLTS…434
24.2.4 CHECK AND ADJUST TRACK TENSION…435
24.2.5 CHECK ENGINE INTAKE AIR HEATER (ELECTRICAL)…437
24.2.6 INSTALLATION OF BUCKET TEETH…438
24.2.7 REMOVAL OF BUCKET TEETH…440
24.2.8 ADJUST BUCKET CLEARANCE…442
24.2.9 CHECK WINDOW WASHER FLUID LEVEL, ADD FLUID…443
24.2.10 CHECK AND ADJUST AIR CONDITIONER…444
24.2.11 REPLACE ADDITIONAL BREAKER FILTER ELEMENT…444
24.2.12 CLEAN INLINE FILTER (RECTANGULAR HOUSING)…445
24.3 CHECK BEFORE STARTING…446
24.3.1 CHECK COOLANT LEVEL, ADD COOLANT…446
24.3.2 CHECK OIL LEVEL IN ENGINE OIL PAN, ADD OIL…446
24.3.3 CHECK FUEL LEVEL, ADD FUEL…447
24.3.4 CHECK OIL LEVEL IN HYDRAULIC TANK, ADD OIL…448
24.3.5 CHECK AIR CLEANER FOR CLOGGING…448
24.3.6 CHECK ELECTRIC WIRING…449
24.3.7 CHECK FOR WATER AND SEDIMENT IN FUEL-WATER SEPERATOR…449
24.4 EVERY 100 HOURS SERVICE…450
24.4.1 LUBRICATING…450
24.4.2 CHECK OIL LEVEL IN SWING MACHINERY CASE, ADD OIL…452
24.4.3 DRAIN WATER AND SEDIMENT FROM FUEL TANK…452
24.5 EVERY 250 HOURS SERVICE…453
24.5.1 CHECK OIL LEVEL IN FINAL DRIVE CASE, ADD OIL…453
24.5.2 CHECK LEVEL OF BATTERY ELECTROLYTE…454
24.5.3 REPLACE HYDRAULIC FILTER ELEMENT…455
24.5.4 LUBRICATE SWING CIRCLE PC200, 200LC, 210LC, 220LC: 2 POINTS PC250: 3 POINTS…456
24.5.5 CHECK FAN BELT TENSION, ADJUST…457
24.5.6 CHECK AIR CONDITIONER COMPRESSOR BELT TENSION, ADJUST…458
24.6 EVERY 500 HOURS SERVICE…459
24.6.1 REPLACE FUEL FILTER CARTRIDGE AND FUEL-WATER SEPERATOR…459
24.6.2 CHECK SWING PINION GREASE LEVEL, ADD GREASE…461
24.6.3 CLEAN AND INSPECT RADIATOR FINS, OIL COOLER FINS, AFTERCOOLER FINS AND CONDENSER FINS(ONLY FOR MACHINES EQUIPPED WITH AC)…462
24.6.4 CLEAN INTERNAL AND EXTERNAL AIR FILTERS OF AIR CONDITIONER SYSTEM (ONLY FOR MACHINES EQUIPPED WITH AIR CONDITIONER)…463
24.6.5 REPLACE HYDRAULIC TANK BREATHER ELEMENT…463
24.6.6 CHANGE OIL IN ENGINE OIL PAN, REPLACE ENGINE OIL FILTER CARTRIDGE…464
24.6.7 REPLACE IN-LINE FUEL STRAINER…465
24.7 EVERY 1000 HOURS SERVICE…466
24.7.1 CHANGE OIL IN SWING MACHINERY CASE…466
24.7.2 CHECK OIL LEVEL IN DAMPER CASE, ADD OIL…467
24.7.3 CHECK ALL TIGHTENING PARTS OF TURBOCHARGER…467
24.7.4 CHECK PLAY OF TURBOCHARGER ROTOR…467
24.7.5 CHECK ALTERNATOR BELT TENSIONER BEARING, BELT AND FAN HUB…468
24.8 EVERY 2000 HOURS SERVICE…469
24.8.1 CHANGE OIL IN FINAL DRIVE CASE…469
24.8.2 CLEAN HYDRAULIC TANK STRAINER…470
24.8.3 CLEAN, CHECK TURBOCHARGER…470
24.8.4 CHECK ALTERNATOR, STARTING MOTOR…470
24.8.5 CHECK VIBRATION DAMPER…470
24.8.6 CHANGE ANTIFREEZE…470
24.8.7 CHECK AND ADJUST VALVE CLEARANCE…471
24.9 EVERY 4000 HOURS SERVICE…472
24.9.1 CHECK WATER PUMP…472
24.10 EVERY 5000 HOURS SERVICE…473
24.10.1 CHANGE OIL IN HYDRAULIC TANK…473
25. SPECIFICATIONS…478
26. GENERAL PRECAUTIONS…486
26.1 PRECAUTIONS RELATED TO SAFETY…486
26.2 PRECAUTIONS WHEN INSTALLING ATTACHMENTS…487
27. HANDLING BUCKET WITH HOOK…488
27.1 CHECK FOR DAMAGE TO BUCKET WITH HOOK…488
27.2 PROHIBITED OPERATIONS…488
27.3 PRECAUTIONS DURING OPERATIONS…488
28. HANDLING AIR CONDITIONER…489
28.1 GENERAL LOCATIONS ON CONTROL PANEL…489
28.2 PRECAUTIONS WHEN USING AIR CONDITIONER…491
29. MACHINES READY FOR ATTACHMENTS…492
29.1 EXPLANATION OF COMPONENTS…492
29.2 HYDRAULIC CIRCUIT…494
29.2.1 CONNECTING HYDRAULIC CIRCUIT…495
29.3 ATTACHMENT MOUNTING/DISMOUNTING PROCEDURE…496
29.4 OPERATION…498
29.5 LONG-TERM STORAGE…499
29.6 SPECIFICATIONS…499
30. INTRODUCTION OF ATTACHMENTS…500
30.1 BUCKET SELECTION…500
30.2 BUCKET INSTALLATION COMBINATIONS…500
30.3 SELECTION OF TRACK SHOES…503
30.4 BACKHOE CONTROL PATTERN CONVERSION…504
31. EXTENDING MACHINE SERVICE LIFE…505
31.1 HYDRAULIC BREAKER…505
31.2 CRUSHER…508
31.3 GRAPPLE…509
31.4 BUCKET WITH THUMB GRAPPLE…510
31.5 ROTATING GRAPPLE…511
31.6 SHEAR…512
31.7 HYDRAULIC PILE DRIVER…513
CEAMX20601 – Hydraulic Excavator PC200-6, PC200LC-6, PC210LC-6, PC220LC-6, PC250LC-6 Operation & Maintenance Manual…514
COVER…514
1. FORWARD…516
2. SAFETY INFORMATION…517
3. INTRODUCTION…518
4. LOCATION OF PLATES, TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR…519
5. CONTENTS…520
SAFETY…524
6. GENERAL PRECAUTIONS…525
7. PRECAUTIONS DURING OPERATION…531
7.1 BEFORE STARTING ENGINE…531
7.2 OPERATING MACHINE…533
7.3 TRANSPORTATION…539
7.4 BATTERY…540
7.5 TOWING…541
7.6 BUCKET WITH HOOK…542
8. PRECAUTIONS FOR MAINTENANCE…544
8.1 BEFORE CARRYING OUT MAINTENANCE…544
8.2 DURING MAINTENANCE…547
9. POSITION FOR ATTACHING SAFETY LABELS…551
OPERATION…555
10. GENERAL VIEW…556
10.1 GENERAL VIEW OF MACHINE…556
10.2 GENERAL VIEW OF CONTROLS AND GAUGES…557
11. EXPLANATION OF COMPONENTS…558
11.1 MACHINE MONITOR…558
11.2 METER…569
11.3 SWITCHES…570
11.4 CONTROL LEVERS, PEDALS…574
11.5 CEILING WINDOW…579
11.6 FRONT WINDOW…580
11.7 DOOR LOCK…582
11.8 CAP, COVER WITH LOCK…583
11.9 HOT/COOL BOX…584
11.10 LUGGAGE BOX…584
11.11 ASHTRAY…584
11.12 CAB HEATER…585
11.13 FUSE…587
11.14 FUSIBLE LINK…588
11.15 CONTROLLERS…588
11.16 TOOL BOX…588
11.17 GREASE PUMP HOLDER…588
11.18 HANDLING ACCUMULATOR…589
12. OPERATION…591
12.1 CHECK BEFORE STARTING ENGINE…591
12.2 STARTING ENGINE…601
12.3 OPERATIONS AND CHECKS AFTER STARTING ENGINE…604
12.4 MOVING MACHINE OFF…610
12.5 STEERING MACHINE…613
12.6 STOPPING MACHINE…615
12.7 SWINGING…616
12.8 OPERATION OF WORK EQUIPMENT…617
12.9 WORKING MODE SELECTION…618
12.10 PROHIBITIONS FOR OPERATION…620
12.11 PRECAUTIONS FOR OPERATION…622
12.12 PRECAUTIONS WHEN TRAVELING UP OR DOWN HILLS…623
12.13 HOW TO ESCAPE FROM MUD…625
12.14 WORK POSSIBLE USING HYDRAULIC EXCAVATOR…626
12.15 REPLACEMENT AND INVERSION OF BUCKET…627
12.16 PARKING MACHINE…629
12.17 CHECK AFTER FINISHING WORK…630
12.18 STOPPING ENGINE…631
12.19 CHECK AFTER STOPPING ENGINE…632
12.20 LOCKING AND SECURING MACHINE…632
13. TRANSPORTATION…633
13.1 LOADING, UNLOADING WORK…633
13.2 PRECAUTIONS FOR LOADING…635
13.3 PRECAUTIONS FOR TRANSPORTATION…636
14. COLD WEATHER OPERATION…637
14.1 PRECAUTIONS FOR LOW TEMPERATURE…637
14.2 PRECAUTIONS AFTER COMPLETION OF WORK…639
14.3 AFTER COLD WEATHER…639
15. LONG-TERM STORAGE…640
15.1 BEFORE STORAGE…640
15.2 DURING STORAGE…641
15.3 AFTER STORAGE…641
15.4 STARTING MACHINE AFTER LONG-TERM STORAGE…641
16. TROUBLESHOOTING…642
16.1 PHENOMENA THAT ARE NOT FAILURES…642
16.2 METHOD OF TOWING MACHINE…642
16.3 METHOD FOR USING LIGHT-WEIGHT TOWING HOLE…642
16.4 PRECAUTIONS ON PARTICULAR JOBSITES…643
16.5 IF BATTERY IS DISCHARGED…643
16.6 OTHER TROUBLE…647
MAINTENANCE…652
17. GUIDES TO MAINTENANCE…653
18. OUTLINES OF SERVICE…656
18.1 OUTLINE OF OIL, FUEL, COOLANT…656
18.2 OUTLINE OF ELECTRIC SYSTEM…659
18.3 OUTLINE OF HYDRAULIC SYSTEM…660
19. WEAR PARTS LIST…661
20. USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE…663
21. STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS…665
21.1 INTRODUCTION OF NECESSARY TOOLS…665
21.2 TORQUE LIST…666
22. PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS…667
23. MAINTENANCE SCHEDULE CHART…669
23.1 MAINTENANCE SCHEDULE CHART…669
23.2 MAINTENANCE INTERVAL WHEN USING HYDRAULIC BREAKER…671
24. SERVICE PROCEDURE…672
24.1 INITIAL 250 HOURS SERVICE…672
24.2 WHEN REQUIRED…673
24.3 CHECK BEFORE STARTING…693
24.4 EVERY 100 HOURS SERVICE…697
24.5 EVERY 250 HOURS SERVICE…700
24.6 EVERY 500 HOURS SERVICE…707
24.7 EVERY 1000 HOURS SERVICE…712
24.8 EVERY 2000 HOURS SERVICE…715
24.9 EVERY 4000 HOURS SERVICE…722
SPECIFICATIONS…723
25. SPECIFICATIONS…724
OPTIONS, ATTACHMENTS…731
26. GENERAL PRECAUTIONS…732
26.1 PRECAUTIONS RELATED TO SAFETY…732
26.2 PRECAUTIONS WHEN INSTALLING ATTACHMENTS…733
27. HANDLING BUCKET WITH HOOK…734
27.1 CHECK FOR DAMAGE TO BUCKET WITH HOOK…734
27.2 PROHIBITED OPERATIONS…734
27.3 PRECAUTIONS DURING OPERATIONS…734
28. HANDLING AIR CONDITIONER…735
28.1 VIEW OF CONTROL PANEL…735
28.2 PRECAUTIONS WHEN USING AIR CONDITIONER…737
29. HANDLING LARGE CAPACITY CAB HEATER…738
29.1 EXPLANATION OF COMPONENTS…738
29.2 PREPARING CAB HEATER…739
30. MACHINES READY FOR ATTACHMENTS…740
30.1 EXPLANATION OF COMPONENTS…740
30.2 HYDRAULIC CIRCUIT…742
30.3 ATTACHMENT MOUNTING/DISMOUNTING PROCEDURE…744
30.4 OPERATION…746
30.5 LONG-TERM STORAGE…747
30.6 SPECIFICATIONS…747
31. INTRODUCTION OF ATTACHMENTS…748
31.1 BUCKET SELECTION…748
31.2 BUCKET INSTALLATION COMBINATIONS…748
32. EXTENDING MACHINE SERVICE LIFE…753
32.1 HYDRAULIC BREAKER…753
32.2 CRUSHER…756
32.3 GRAPPLE…757
32.4 BUCKET WITH THUMB GRAPPLE…758
32.5 ROTATING GRAPPLE…759
32.6 SHEAR…760
32.7 HYDRAULIC PILE DRIVER…761
CEBM000102 – Hydraulic Excavator PC200-6, PC200LC-6, PC210LC-6, PC220LC-6, PC250LC-6 Shop Manual…763
COVER…763
CONTENTS…764
01 GENERAL…787
GENERAL ASSEMBLY DRAWING (PC200-6, PC2OOLC-6, PC210LC-6)…788
GENERAL ASSEMBLY DRAWING (PC220LC-6, PC250LC-6)…790
SPECIFICATIONS (PC200-6, PC200LC-6)…793
SPECIFICATIONS (PC210LC-6)…795
SPECIFICATIONS (PC220LC-6)…797
SPECIFICATIONS (PC250LC-6)…799
WEIGHT TABLE (PC200-6, PC200LC-6)…801
WEIGHT TABLE (PC210LC-6)…803
WEIGHT TABLE (PC220LC-6, PC250LC-6)…805
FUEL, COOLANTS AND LUBRICANTS…807
10 STRUCTURE AND FUNCTION…810
ENGINE RELATED PARTS…811
RADIATOR, OIL COOLER, AFTERCOOLER…812
POWER TRAIN…813
FINAL DRIVE…814
SWING CIRCLE…816
SWING MACHINERY…817
TRACK FRAME, RECOIL SPRING…818
TRACK SHOE…819
HYDRAULIC PIPING DRAWING…821
HYDRAULIC CIRCUIT DIAGRAM…822
HYDRAULIC TANK…824
HYDRAULIC PUMP…825
CONTROL VALVE…847
CLSS…856
SWING MOTOR…900
CENTER SWIVEL JOINT…903
TRAVEL MOTOR…904
VALVE CONTROL…915
WORK EQUIPMENT, SWING PPC VALVE…916
TRAVEL PPC VALVE…920
SERVICE PPC VALVE…924
SAFETY LOCK VALVE…927
PPC ACCUMULATOR…927
PPC SHUTTLE, TRAVEL JUNCTION VALVE…928
EPC, SOLENOID VALVE…935
HYDRAULIC CYLINDER…943
ADDITIONAL FILTER FOR BREAKER…944
OVERLOAD WARNING DEVICE…945
HOSE BURST PROTECTION VALVE (BOOM)…949
WORK EQUIPMENT…952
20 TESTING AND ADJUSTING…994
TABLE OF JUDGEMENT STANDARD VALUE…995
STANDARD VALUE TABLE FOR ELECTRICAL PARTS…1007
TOOLS FOR TESTING, ADJUSTING AND TROUBLESHOOTNG…1016
MEASURING ENGINE SPEED…1017
MEASURING INTAKE MANIFOLD PRESSURE…1018
MEASURING INTAKE AIR RESTRICTION…1019
MEASURING LUBRICATING OIL PRESSURE…1020
MEASURING FUEL (FILTER) INLET RESTRICTION…1021
MEASURING BLOWBY PRESSURE…1022
MEASURING ENGINE BACK PRESSURE…1023
MEASURING EXHAUST COLOR…1024
MEASURING COOLANT TEMPERATURE…1025
MEASURING VALVE CLEARANCE…1026
CHECKING AND ADJUSTING BELT TENSION FOR AIR CONDITIONER COMPRESSOR…1027
ADJUSTING ENGINE SPEED SENSOR…1028
TESTING AND ADJUSTING GOVERNOR MOTOR LEVER STROKE…1029
TESTING CLEARANCE OF SWING CIRCLE BEARING…1030
TESTING AND ADJUSTING TRACK SHOE TENSION…1031
TESTING AND ADJUSTING HYDRAULIC PRESSURE IN WORK EQUIPMENT, SWING, TRAVEL CIRCUIT…1032
TESTING AND ADJUSTING TVC VALVE OUTPUT PRESSURE (SERVO PISTON INPUT PRESSURE)…1035
TESTING AND ADJUSTING LS VALVE OUTPUT PRESSURE (SERVO PISTON INPUT PRESSURE) AND LS DIFFERENTIAL PRESSURE…1037
TESTING AND ADJUSTING CONTROL PUMP CIRCUIT OIL PRESSURE…1040
TESTING EPC VALVE, SOLENOID VALVE OUTPUT PRESSURE…1042
MEASURING PPC VALVE OUTPUT PRESSURE AND TESTING PPC SHUTTLE VALVE…1044
ADJUSTING WORK EQUIPMENT, SWING PPC VALVE…1046
ADJUSTING TRAVEL LEVER…1047
TESTING TRAVEL DEVIATION…1048
TESTING LOCATIONS CAUSING HYDRAULIC DRIFT OF WORK EQUIPMENT…1049
MEASURING OIL LEAKAGE…1051
RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT…1052
TROUBLESHOOTING…1055
POINTS TO REMEMBER WHEN TROUBLESHOOTING…1056
SEQUENCE OF EVENTS IN TROUBLESHOOTING…1057
PRECAUTIONS WHEN CARRYING OUT MAINTENANCE…1058
CHECKS BEFORE TROUBLESHOOTING…1065
CONNECTOR TYPES AND MOUNTING LOCATIONS…1066
CONNECTION TABLE FOR CONNECTOR PIN NUMBERS…1070
EXPLANATION OF CONTROL MECHANISM FOR ELECTRICAL SYSTEM…1083
DISPLAY METHOD AND SPECIAL FUNCTIONS OF MONITOR PANEL…1084
METHOD OF USING JUDGEMENT TABLE…1093
DETAILS OF TROUBLESHOOTING AND TROUBLESHOOTING PROCEDURE…1097
TROUBLESHOOTING OF ENGINE THROTTLE CONTROLLER SYSTEM (E MODE)…1102
POINTS TO REMEMBER WHEN CARRYING OUT TROUBLESHOOTING OF ENGINE THROTTLE CONTROLLER SYSTEM…1103
ENGINE THROTTLE CONTROLLER SYSTEM CIRCUIT DIAGRAM…1104
ACTION TAKEN BY CONTROLLER WHEN ABNORMALITY OCCURS AND PROBLEMS ON MACHINE…1106
JUDGEMENT TABLE FOR ENGINE THROTTLE CONTROLLER AND ENGINE RELATED PARTS…1107
E-1 Abnormality in engine throttle controller power source system (engine speed stays at low idling)…1108
E-2 [E3:08] Abnormality in fuel control dial input value is displayed…1109
E-3 [E3:17] Abnormality (disconnection) in governor motor drive system is displayed…1110
E-4 [E3:18] Abnormality (short circuit) in governor motor drive system is displayed…1111
E-5 [E3:01] Abnormality in network reception system is displayed…1112
E-6 [E3:05] Abnormality in model code is displayed…1114
E-7 [E3:06] Abnormality in governor potentiometer system is displayed…1115
E-8 [E3:07] Abnormality in pump controller throttle system is displayed…1116
E-9 [E3:15] Abnormality (short circuit) in battery relay output system is displayed…1116
E-10 [E3:16] Abnormality (step-out) in governor motor system is displayed…1117
E-11 Engine does not start…1118
E-12 Engine speed is irregular…1120
a) Idling speed is irregular…1120
b) There is hunting…1122
E-13 Lack of output (engine high idling speed is too low)…1124
E-14 Engine does not stop…1126
E-15 Defective operation of battery relay system (engine does not stop)…1128
TROUBLESHOOTING OF ENGINE (S MODE)…1129
METHOD OF USING TROUBLESHOOTING CHART…1130
S-1 Starting performance is poor (Starting always takes time)…1134
S-2 Engine does not start…1135
1) Engine does not turn…1135
2) Engine turns but no exhaust gas comes out (Fuel is not being injected)…1136
3) Exhaust gas comes out but engine does not start (Fuel is being injected)…1137
S-3 Engine does not pick up smoothly (Follow-up is poor)…1138
S-4 Engine stops during operations…1139
S-5 Engine does not rotate smoothly…1140
S-6 Engine lacks output (no power)…1141
S-7 Exhaust gas is black (incomplete combustion)…1142
S-8 Oil consumption is excessive (or exhaust gas is blue)…1143
S-9 Oil becomes contaminated quickly…1144
S-10 Fuel consumption is excessive…1145
S-11 Oil is in cooling water, or water spurts back, or water level goes down…1146
S-12 Oil pressure lamp lights up (drop in oil pressure)…1147
S-13 Oil level rises…1148
S-14 Water temperature becomes too high (overheating)…1149
S-15 Abnormal noise is made…1150
S-16 Vibration is excessive…1151
TROUBLESHOOTING OF PUMP CONTROLLER SYSTEM (C MODE)…1152
POINTS TO REMEMNBER WHEN TROUBLESHOOTING PUMP CONTROLLER SYSTEM…1153
ACTION TAKEN BY CONTROLLER WHEN ABNORMALITY OCCURS AND PROBLEMS ON MACHINE…1154
JUDGEMENT TABLE FOR PUMP CONTROLLER AND HYDRAULIC RELATED PARTS…1158
PUMP CONTROLLER SYSTEM CIRCUIT DIAGRAM…1159
C-1 Abnormality in pump controller power source system (swing brake is not canceled, ect.)…1160
C-2 [E2:32] Short circuit in front pump TVC solenoid system is displayed…1161
[E2:36] Short circuit in rear pump TVC solenoid system is displayed…1161
C-3 [E2:33] Disconnection in front pump TVC solenoid system is displayed…1163
[E2:37] Disconnection in rear pump TVC solenoid system is displayed…1163
C-4 [E2:03] Short circuit in swing brake solenoid system is displayed…1165
C-5 [E2:13] Disconnection in swing brake solenoid system is displayed…1167
C-6 [E2:02] Short circuit in LS select solenoid system is displayed…1169
[E2:04] Short circuit in pump merge-divider solenoid system is displayed…1169
[E2:05] Short circuit in 2-stage relief solenoid system is displayed…1169
[E2:06] Short circuit in travel speed solenoid system is displayed…1169
C-7 [E2:12] Disconnection in LS select solenoid system is displayed…1171
[E2:14] Disconnection in pump merge-divider solenoid system is displayed…1171
[E2:15] Disconnection in 2-stage relief solenoid system is displayed…1171
[E2:16] Disconnection in travel speed solenoid system is displayed…1171
C-8 [E2:17] Model selection input error is displayed…1173
C-9 [E2:18] Network response overtime error is displayed…1174
C-10 [E2:22] Short circuit in LS control EPC solenoid system is displayed…1176
C-11 [E2:23] Disconnection in LS control EPC solenoid system is displayed…1177
C-12 [E2:24] Abnormality in front pump pressure sensor system is displayed…1178
[E2:25] Abnormality in rear pump pressure sensor system is displayed…1178
C-13 [E2:26] Abnormality in pump pressure sensor power source system is displayed…1180
C-14 [E2:27] Abnormality in engine speed sensor system is displayed…1181
C-15 [E2:28] Abnormality in auto-deceleration output system is displayed…1182
TROUBLESHOOTING OF PUMP CONTROLLER INPUT SIGNAL SYSTEM (F MODE)…1183
F-1 Bit pattern 20-(1) Swing oil pressure switch does not light up…1184
F-2 Bit pattern 20-(2) Travel oil pressure switch does not light up…1185
F-3 Bit pattern 20-(3) Boom LOWER oil pressure switch does not light up…1186
F-4 Bit pattern 20-(4) Boom RAISE oil pressure switch does not light up…1187
F-5 Bit pattern 20-(5) Arm IN oil pressure switch does not light up…1188
F-6 Bit pattern 20-(6) Arm OUT oil pressure switch does not light up…1189
F-7 Bit pattern 21-(1) Bucket CURL oil pressure switch does not light up…1190
F-8 Bit pattern 21-(2) Bucket DUMP oil pressure switch does not light up…1191
F-9 Bit pattern 21-(3) Swing lock switch does not light up…1192
F-10 Engine speed is not displayed in monitoring code 10 (abnormality in engine speed sensor system)…1193
F-12 Bit pattern 22-(6) L.H. knob switch does not light up…1194
TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (H MODE)…1195
TABLE OF FAILURE MODES AND CAUSES FOR HYDRAULIC AND MECHANICAL SYSTEM…1196
PUMP MERGE-DIVIDER LOGIC…1198
All work equipment, travel, swing…1199
H-1 Speeds of all work equipment, swing, travel are slow or lack power…1199
H-2 There is excessive drop in engine speed, or engine stalls…1201
H-3 No work equipment, travel, swing move…1202
H-4 Abnormal noise generated…1202
H-5 Auto-deceleration does not work (when PPC shuttle valve is cause)…1203
H-6 Fine control ability is poor or response is poor…1203
Work Equipment…1204
H-7 Boom is slow or lacks power…1204
H-8 Arm is slow or lacks power…1206
H-9 Bucket is slow or lacks power…1208
H-10 Work equipment (boom, arm, bucket) does not move (but travel and swing are normal)…1209
H-11 Excessive hydraulic drift (boom, arm, bucket)…1209
H-12 Excessive time lag (engine at low idling)…1210
H-13 Lack of power when pressure rises…1210
H-14 Other equipment moves when single circuit is relieved …1210
H-15 In L/O, F/O modes, work equipment speed is faster than specified speed…1211
Compound operations…1211
H-16 In compound operations, work equipment with larger load is slow…1211
H-17 In swing + boom RAISE, boom RAISE is slow…1212
H-18 In swing + arm OUT, arm OUT is slow…1212
H-19 In swing + travel, travel speed drops excessively…1212
Travel system…1213
H-20 Travel deviation…1213
H-21 Travel speed is slow…1214
H-22 Steering does not turn easily or lacks power…1216
H-23 Travel speed does not switch or is faster than specified speed…1218
H-24 Travel does not move (one side only)…1218
Swing system…1219
H-25 Does not swing…1219
H-26 Swing acceleration is poor or swing speed is slow (both left and right, one direction only)…1220
H-27 Excessive overrun when stopping swing…1222
H-28 Excessive shock when stopping swing (one direction only)…1223
H-29 Excessive abnormal noise when stopping swing…1223
H-30 Excessive hydraulic drift of swing…1224
H-31 Swing speed is faster than specified swing speed…1225
TROUBLESHOOTING OF MACHINE MONITOR SYSTEM (M MODE)…1226
ACTION TAKEN BY MONITOR PANEL WHEN ABNORMALITY OCCURS AND PROBLEMS ON MACHINE…1227
MACHINE MONITOR SYSTEM CIRCUIT DIAGRAM…1228
M-1 [E1:01] Abnormality in error data is displayed…1229
M-2 [E1:02] Error in clock data is displayed…1229
M-3 [E1:03] Short circuit in buzzer output or contact of 24V wiring harness with buzzer drive harness is displayed…1229
M-4 When starting switch is turned ON, none of lamps on monitor panel light up for 3 seconds…1230
a) None of the lamps on monitor panel light up…1230
b) Some of lamps on monitor panel (gauge display, time display) do not light up…1230
M-5 When starting switch is turned ON, monitor panel lamps all stay lighted up and do not go out…1231
M-6 When starting switch is turned ON, items lighted up on monitor panel are different from machine model…1231
M-7 When starting switch is turned ON (engine stopped), CHECK items flash (Fluid levels for CHECK items are at specified level)…1232
a) (coolant level) flashes…1232
b) (engine oil level) flashes…1233
c) (hydraulic oil level) flashes…1233
M-8 Preheating is not being used but preheating display lights up…1234
M-9 When starting switch is turned ON and engine started, CHECK items flash…1235
a) Alternator system…1235
b) Engine oil pressure system…1236
M-10 When starting switch is turned ON (engine stopped), CAUTION items flash …1237
a) Alternator system…1237
b) Engine oil pressure sensor system…1237
M-11 When starting switch is turned ON and engine is started, CAUTION items flash…1238
a) (engine oil pressure) flashes…1238
b) (coolant level) flashes…1239
c) (coolant temperature) flashes…1239
d) (battery charge) flashes…1240
M-12 (a) When starting switch is turned ON (engine stopped), buzzer does not sound for 1 second, CAUTION…1241
M-12 (b) No abnormality is displayed on monitor but buzzer sounds…1241
M-13 Liquid crystal night lighting on monitor panel does not light up (Liquid crystal display is normal)…1242
M-14 Coolant temperature gauge does not rise…1243
M-15 Coolant temperature gauge does not give any display (none of gauge lamps light up during operation)…1244
M-16 Fuel level gauge always displays FULL…1245
M-17 Fuel level gauge does not give display…1245
M-18 Swing lock switch is turned ON (LOCK) but monitor panel parking display does not light up…1246
M-19 Swing lock prolix switch is ON (prolix), but monitor panel parking display does not flash…1246
M-20 Defective fuel level sensor system…1247
M-21 Defective coolant tern perature sensor system…1248
M-22 Defective engine oil level sensor system…1249
M-23 Defective coolant level sensor system…1250
M-24 Defective hydraulic oil level sensor system…1251
M-25 Working light, panel lighting do not light up, or switch is not being used but lights light up…1252
a) Working light does not light up…1252
b) Panel lighting does not light up…1252
c) Light switch is not being used but working light lights up…1253
M-26 Wiper does not work or switch is not being used but wiper is actuated…1254
a) Wiper does not work…1254
b) Wiper switch is not being used but wiper is actuated…1256
30 DISASSEMBLY AND ASSEMBLY…1258
METHOD OF USING MANUAL…1261
PRECAUTIONS WHEN CARRYING OUT OPERATION…1262
SPECIAL TOOL LIST…1264
REMOVAL…1268
AIR CONDITIONER COMPRESSOR…1268
INSTALLATION OF AIR CONDITIONER COMPRESSOR ASSEMBLY…1268
REMOVAL OF AIR CONDITIONER COMPRESSOR ASSEMBLY…1268
CONDENSER ASSEMBLY…1269
INSTALLATION OF CONDENSER ASSEMBLY…1269
REMOVAL OF CONDENSER ASSEMBLY…1269
GOVERNOR MOTOR…1270
INSTALLATION OF GOVERNOR MOTOR ASSEMBLY…1270
REMOVAL OF GOVERNOR MOTOR ASSEMBLY…1270
HYDRAULIC OIL COOLER…1271
INSTALLATION OF HYDRAULIC OIL COOLER ASSEMBLY…1271
REMOVAL OF HYDRAULIC OIL COOLER ASSEMBLY…1271
RADIATOR, HYDRAULIC OIL COOLER…1273
INSTALLATION OF RADIATOR, HYDRAULIC OIL COOLER ASSEMBLY…1273
REMOVAL OF ENGINE, HYDRAULIC PUMP ASSEMBLY…1274
ENGINE, HYDRAULIC PUMP…1274
INSTALLATION OF ENGINE, HYDRAULIC PUMP ASSEMBLY…1277
DAMPER…1278
INSTALLATION OF DAMPER ASSEMBLY…1278
REMOVAL OF DAMPER ASSEMBLY…1278
FUEL TANK…1279
INSTALLATION OF FUEL TANK ASSEMBLY…1279
REMOVAL OF FUEL TANK ASSEMBLY…1279
CENTER SWIVEL JOINT…1280
INSTALLATION OF CENTER SWIVEL JOINT ASSEMBLY…1280
REMOVAL OF CENTER SWIVEL JOINT ASSEMBLY…1280
ASSEMBLY OF CENTER SWIVEL JOINT ASSEMBLY…1281
DISASSEMBLY OF CENTER SWIVEL JOINT ASSEMBLY…1281
FINAL DRIVE…1282
INSTALLATION OF FINAL DRIVE ASSEMBLY…1282
DISASSEMBLY OF FINAL DRIVE ASSEMBLY…1283
REMOVAL OF FINAL DRIVE ASSEMBLY…1282
ASSEMBLY OF FINAL DRIVE ASSEMBLY…1286
DISASSEMBLY OF FINAL DRIVE ASSEMBLY (PC250LC-6)…1290
ASSEMBLY OF FINAL DRIVE ASSEMBLY (PC250LC-6)…1293
DISASSEMBLY…1298
TRAVEL MOTOR…1298
ASSEMBLY OF TRAVEL MOTOR ASSEMBLY…1303
DISASSEMBLY OF TRAVEL MOTOR ASSEMBLY…1298
CHECKING CONTACT BETWEEN CYLINDER BLOCK AND VALVE PLATE…1310
SPROCKET…1311
INSTALLATION OF SPROCKET…1311
REMOVAL OF SPROCKET…1311
SWING MOTOR…1312
INSTALLATION OF SWING MOTOR ASSEMBLY…1312
REMOVAL OF SWING MOTOR ASSEMBLY…1312
SWING MACHINERY…1313
INSTALLATION OF SWINGMACHINERY ASSEMBLY…1313
DISASSEMBLY OF SWING MACHINERY ASSEMBLY…1314
ASSEMBLY OF SWING MACHINERY ASSEMBLY…1317
REMOVAL OF SWING MACHINERY ASSEMBLY…1313
REVOLVING FRAME…1321
INSTALLATION OF REVOLVING FRAME ASSEMBLY…1322
REMOVAL OF REVOLVING FRAME ASSEMBLY…1321
SWING CIRCLE…1323
INSTALLATION OF SWING CIRCLE ASSEMBLY…1324
REMOVAL OF SWING CIRCLE ASSEMBLY…1323
IDLER, RECOIL SPRING…1325
INSTALLATION OF IDLER, RECOIL SPRING ASSEMBLY…1325
REMOVAL OF IDLER, RECOIL SPRING ASSEMBLY…1325
RECOIL SPRING…1326
ASSEMBLY OF RECOIL SPRING ASSEMBLY…1327
DISASSEMBLY OF RECOIL SPRING ASSEMBLY…1326
IDLER…1328
ASSEMBLY OF IDLER ASSEMBLY…1329
DISASSEMBLY OF IDLER ASSEMBLY…1328
TRACK ROLLER…1331
INSTALLATION OF TRACK ROLLER ASSEMBLY…1331
DISASSEMBLY OF TRACK ROLLER ASSEMBLY…1333
ASSEMBLY OF TRACK ROLLER ASSEMBLY…1334
REMOVAL OF TRACK ROLLER ASSEMBLY…1331
CARRIER ROLLER…1336
INSTALLATION OF CARRIER ROLLER ASSEMBLY…1336
ASSEMBLY OF CARRIER ROLLER ASSEMBLY…1338
DISASSEMBLY OF CARRIER ROLLER ASSEMBLY…1337
REMOVAL OF CARRIER ROLLER ASSEMBLY…1336
TRACK SHOE…1340
INSTALLATION OF TRACK SHOE ASSEMBLY…1340
REMOVAL OF TRACK SHOE ASSEMBLY…1340
HYDRAULIC TANK…1341
INSTALLATION OF HYDRAULIC TANK ASSEMBLY…1342
REMOVAL OF HYDRAULIC TANK ASSEMBLY…1341
CONTROL PUMP…1343
REMOVAL OF CONTROL PUMP ASSEMBLY…1343
INSTALLATION OF CONTROL PUMP ASSEMBLY…1343
MAIN PUMP…1344
INSTALLATION OF MAIN PUMP ASSEMBLY…1345
DISASSEMBLY OF MAIN PUMP ASSEMBLY (HPV95 + 95)…1346
ASSEMBLY OF MAIN PUMP ASSEMBLY (HPV95 + 95)…1352
REMOVAL OF MAIN PUMP ASSEMBLY…1344
MAIN PUMP INPUT SHAFT OIL SEAL…1368
INSTALLATION OF MAIN PUMP INPUT SHAFT OIL SEAL…1368
REMOVAL OF MAIN PUMP INPUT SHAFT OIL SEAL…1368
CONTROL VALVE…1369
INSTALLATION OF CONTROL VALVE ASSEMBLY…1370
REMOVAL OF CONTROL VALVE ASSEMBLY…1369
CONTROL VALVE ASSEMBLY * 7-spool control valve (1 service valve)…1371
INSTALLATION OF CONTROL VALVE ASSEMBLY…1372
DISASSEMBLY OF CONTROL VALVE ASSEMBLY…1373
ASSEMBLY OF CONTROL VALVE ASSEMBLY…1375
DISASSEMBLY…1377
PUMP MERGE-DIVIDER VALVE…1377
DISASSEMBLY OF PUMP MERGE-DIVIDER VALVE ASSEMBLY…1377
ASSEMBLY OF PUMP MERGE-DIVIDER VALVE ASSEMBLY…1377
PRESSURE COMPENSATION VALVE…1378
DISASSEMBLY OF PRESSURE COMPENSATION VALVE ASSEMBLY…1378
ASSEMBLY OF PRESSURE COMPENSATION VALVE ASSEMBLY…1378
MAIN RELIEF VALVE…1379
DISASSEMBLY OF MAIN RELIEF VALVE ASSEMBLY…1379
ASSEMBLY OF MAIN RELIEF VALVE ASSEMBLY…1380
TVC, LS VALVE ASSEMBLY FOR FRONT PUMP…1381
REMOVAL OF TVC, LS VALVE ASSEMBLY FOR FRONT PUMP…1381
INSTALLATION OF TVC, LS VALVE ASSEMBLY FOR FRONT PUMP…1381
TVC, LS VALVE ASSEMBLY FOR REAR PUMP…1382
REMOVAL OF TVC, LS VALVE ASSEMBLY FOR REAR PUMP…1382
INSTALLATION OF TVC, LS VALVE ASSEMBLY FOR REAR PUMP…1382
LS CONTROL EPC VALVE…1383
INSTALLATION OF LS CONTROL EPC VALVE ASSEMBLY…1383
REMOVAL OF LS CONTROL EPC VALVE ASSEMBLY…1383
SOLENOID VALVE…1384
INSTALLATION OF SOLENOID VALVE ASSEMBLY…1384
REMOVAL OF SOLENOID VALVE ASSEMBLY…1384
WORK EQUIPMENT, SWING PDC VALVE…1385
ASSEMBLY OF WORK EQUIPMENT, SWING PPC VALVE ASSEMBLY…1387
INSTALLATION OF WORK EQUIPMENT, SWING PPC VALVE ASSEMBLY…1385
DISASSEMBLY OF WORK EQUIPMENT, SWING PPC VALVE ASSEMBLY…1386
REMOVAL OF WORK EQUIPMENT, SWING PPC VALVE ASSEMBLY…1385
TRAVEL PPC VALVE…1388
ASSEMBLY OF TRAVEL VALVE ASSEMBLY…1389
INSTALLATION OF TRAVEL PPC VALVE ASSEMBLY…1388
DISASSEMBLY OF TRAVEL PPC VALVE ASSEMBLY…1389
REMOVAL OF TRAVEL PPC VALVE ASSEMBLY…1388
BOOM LOCK VALVE…1391
INSTALLATION OF BOOM LOCK VALVE ASSEMBLY…1391
REMOVAL OF BOOM LOCK VALVE ASSEMBLY…1391
BOOM CYLINDER…1392
INSTALLATION OF BOOM CYLINDER ASSEMBLY…1393
REMOVAL OF BOOM CYLINDER ASSEMBLY…1392
ARM CYLINDER…1394
INSTALLATION OF ARM CYLINDER ASSEMBLY…1395
REMOVAL OF ARM CYLINDER ASSEMBLY…1394
BUCKET CYLINDER…1396
INSTALLATION OF BUCKET CYLINDER ASSEMBLY…1397
REMOVAL OF BUCKET CYLINDER ASSEMBLY…1396
HYDRAULIC CYLINDER…1398
ASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLY…1400
DISASSEMBLY OF HYDRAULIC CYLINDER ASSEMBLY…1398
WORK EQUIPMENT…1403
INSTALLATION OF WORK EQUIPMENT ASSEMBLY…1404
REMOVAL OF WORK EQUIPMENT ASSEMBLY…1403
BUCKET…1405
INSTALLATION OF BUCKET ASSEMBLY…1406
REMOVAL OF BUCKET ASSEMBLY…1405
ARM…1407
INSTALLATION OF ARM ASSEMBLY…1408
REMOVAL OF ARM ASSEMBLY…1407
BUCKET, ARM…1409
INSTALLATION OF BUCKET, ARM ASSEMBLY…1410
REMOVAL OF BUCKET, ARM ASSEMBLY…1409
BOOM…1411
INSTALLATION OF BOOM ASSEMBLY…1412
REMOVAL OF BOOM ASSEMBLY…1411
OPERATOR’ S CAB…1413
INSTALLATION OF OPERATOR’ S CAB ASSEMBLY…1415
REMOVAL OF OPERATOR’ S CAB ASSEMBLY…1413
COUNTERWEIGHT…1416
INSTALLATION OF COUNTERWEIGHT ASSEMBLY…1416
REMOVAL OF COUNTERWEIGHT ASSEMBLY…1416
ENGINE THROTTLE CONTROLLER…1417
INSTALLATION OF ENGINE THROTTLE CONTROLLER ASSEMBLY…1417
REMOVAL OF ENGINE THROTTLE CONTROLLER ASSEMBLY…1417
PUMP CONTROLLER…1418
INSTALLATION OF PUMP CONTROLLER ASSEMBLY…1418
REMOVAL OF PUMP CONTROLLER ASSEMBLY…1418
MONITOR…1419
INSTALLATION OF MONITOR ASSEMBLY…1419
REMOVAL OF MONITOR ASSEMBLY…1419
40 MAINTENANCE STANDARD…1420
FINAL DRIVE (PC200-6, PC200LG6, PC210LC-6, PC220LC-6)…1421
FINAL DRIVE (PC250LC-6)…1423
SWING MACHINERY…1425
SWING CIRCLE…1427
TRACK FRAME, RECOIL SPRING (PC200-6, PC200LC-6, PC210LC-6, PC220LC-6)…1428
TRACK FRAME, RECOIL SPRING (PC25OLC-6)…1429
IDLER (PC200-6, PC200LC-6 PC210LC-6, PC220LC-6)…1430
IDLER (PC250LC-6)…1432
CARRIER ROLLER (PC200-6, PC200LC-6 PC210LC-6, PC220LC-6)…1434
CARRIER ROLLER (PC250LC-6)…1435
TRACK ROLLER (PC200-6, PC200LC-6 PC210LC-6, PC220LC-6)…1436
TRACK ROLLER (PC250LC-6)…1437
TRACK SHOE (PC200-6, PC200LC-6 PC210LC-6, PC220LC-6)…1438
TRACK SHOE (PC250LC-6)…1440
HYDRAULIC PUMP…1442
CONTROL VALVE…1444
SAFETY-SUCTION VALVE FOR SERVICE VALVE…1450
SWING MOTOR…1451
TRAVEL MOTOR (PC200-6, PC200LC-6 PC210LC-6, PC220LC-6)…1452
TRAVEL MOTOR (PC250LC-6)…1453
WORK EQUIPMENT, SWING PPC VALVE…1454
TRAVEL PPC VALVE…1455
SERVICE PPC VALVE…1456
PPC SHUTTLE, TRAVEL JUNCTION VALVE…1457
EPC, SOLENOID VALVE…1459
CENTER SWIVEL JOINT…1460
BOOM HOLDING VALVE…1462
HYDRAULIC CYLINDER (PC200-6, PC200LC-6, PC210LC-6)…1463
HYDRAULIC CYLINDER (PC220LC-6, PC250LG6)…1465
WORK EQUIPMENT…1467
CEBM001001 – Hydraulic Excavator PC200LC-6, PC210LC-6, PC220LC-6, PC250LC-6 Shop Manual…1474
CONTENTS…1475
COVER…1474
01 GENERAL…1501
GENERAL ASSEMBLY DRAWING…1502
PC200LC, PC210LC…1502
PC220LC-6, PC250LC-6…1504
SPECIFICATIONS…1507
PC200LC-6…1507
PC210LC-6…1509
PC220LC-6…1511
PC250LC-6…1513
WEIGHT TABLE…1515
PC200LC-6…1515
PC210LC-6…1517
PC220LC-6, PC250LC-6…1519
FUEL, COOLANT AND LUBRICANTS…1521
ENGINE OIL SPECIFICATION…1522
NORMAL OPERATION…1522
ARCTIC OPERATION…1522
COOLANT…1523
10 STRUCTURE AND FUNCTION…1524
ENGINE RELATED PARTS…1528
RADIATOR – OIL COOLER…1529
POWER TRAIN…1530
FINAL DRIVE…1531
PC200LC, PC210LC, PC220LC…1531
PC250LC…1532
SWING CIRCLE…1533
SWING MACHINERY…1534
PC200LC, PC210LC, PC220LC…1534
PC250LC…1535
TRACK FRAME – RECOIL SPRING…1536
TRACK SHOE…1537
HYDRAULIC PIPING DRAWING…1538
HYDRAULIC CIRCUIT DIAGRAM…1539
HYDRAULIC TANK…1540
HYDRAULIC PUMP…1541
Basic pump…1541
Outline…1541
Function…1544
Structure…1544
Operation…1545
LS and PC valve…1547
Function…1548
Operation…1549
IN-LINE OIL FILTER…1559
Outline…1559
CONTROL VALVE…1560
Outline…1560
9-spool valve (standard + 3 service valves)…1561
Main structure…1562
6-spool valve (standard)…1565
SAFETY-SUCTION VALVE FOR SERVICE VALVE…1566
SELF-REDUCING PRESSURE VALVE…1567
Function…1569
Operation…1569
CLSS…1572
Outline of CLSS…1572
Features…1572
Structure…1572
Basic principle…1573
Operation for each function and valve…1575
Hydraulic circuit diagram for system…1575
Unload valve…1578
Main relief valve (2-stage type)…1579
Introduction of LS pressure…1581
LS bypass valve…1582
Pressure compensation valve…1583
Shuttle valve inside pressure compensation valve…1586
Variable type pressure compensation valve (for service valve)…1587
Boom regeneration circuit…1589
Arm regeneration circuit…1591
Pump merge-divider valve…1592
LS select valve…1594
Spool stroke modulation…1595
Timing valve…1599
2-stage safety valve (installed to boom cylinder head)…1600
Operation of CLSS system as a whole…1601
When all work equipment is at neutral…1601
Pump flow divided, one side actuated, other side neutral…1603
Pump flow merged, arm OUT, standard mode relief (cut-off control)…1605
Pump flow divided, bucket DUMP, power max. relief…1607
Pump flow merged, boom RAISE…1609
Pump flow merged, swing operated independently…1611
Pump flow divided, travel operated independently…1613
Pump flow merged, compound operation…1615
SWING MOTOR…1617
BASIC MOTOR – PC200LC-6, PC210LC-6, PC220LC-6…1617
BASIC MOTOR – PC250LC-6…1619
Swing lock valve…1621
Operation…1621
Relief valve portion – PC250LC-6…1622
Outline…1622
Function…1622
Operation…1622
Reverse prevention valve (swing dampening)…1623
Operation diagram…1623
Explanation of effect…1623
Outline…1624
Operation…1624
CENTER SWIVEL JOINT…1625
TRAVEL MOTOR…1626
PC200LC-6, PC210LC-6, PC220LC-6…1626
PC250LC-6…1628
Operation of motor…1630
Operation of parking brake…1632
Operation of brake valve…1633
VALVE CONTROL…1636
WORK EQUIPMENT – SWING PPC VALVE…1637
Operation…1639
TRAVEL PPC VALVE…1641
Operation…1643
SERVICE PPC VALVE…1645
Operation…1646
SAFETY LOCK VALVE…1648
PPC ACCUMULATOR…1648
STRAIGHT-TRAVEL SYSTEM…1649
Function…1649
EPC SOLENOID VALVE…1650
Operation…1651
BOOM LOCK VALVE…1652
Operation…1653
ADDITIONAL FILTER FOR BREAKER…1655
ADDITIONAL FILTER FOR BREAKER…1655
WORK EQUIPMENT…1656
AIR CONDITIONER…1657
ELECTRICAL WIRING DIAGRAM…1658
ELECTRICAL CIRCUIT DIAGRAM…1660
ENGINE CONTROL SYSTEM…1662
Function…1662
Operation of system…1663
Components of system…1664
Fuel control dial…1664
Governor motor…1665
Engine throttle – pump controller…1666
ELECTRONIC CONTROL SYSTEM…1668
Control function…1668
Total system diagram…1669
Pump and engine mutual control function…1670
Function…1671
Control method in each mode…1672
Pump control function when traveling…1674
Control function when pump prolix switch is ON…1674
Pump and valve control function…1675
Function…1676
Power maximizing – Swift slow-down function…1678
Function…1678
Auto-deceleration function…1679
Function…1680
Operation…1680
Automatic warming-up and engine overheat prevention function…1681
Function…1681
Swing control function…1683
Function…1684
Travel control function…1685
Function…1686
Active mode function…1687
Function…1687
Components of system…1690
Engine speed sensor…1690
PPC oil pressure switch…1690
Pump pressure sensor…1691
PC Prolix resistor…1692
MACHINE MONITOR SYSTEM…1693
Function…1693
Monitor panel…1694
Outline…1694
Monitor display…1695
Content of display…1696
Oil maintenance function…1697
Function and operation…1697
Setting change interval…1697
Display timing, content…1698
Elapsed time reset…1698
Demo mode…1698
Switches…1699
Coolant level sensor…1700
Engine oil level sensor…1701
Hydraulic oil sensor…1701
Engine oil pressure sensor…1701
Coolant temperature sensor…1702
Fuel level sensor…1702
Air cleaner clogging sensor…1702
SENSORS…1700
Coolant level sensor…1700
Engine oil level sensor…1701
Hydraulic oil sensor…1701
Engine oil pressure sensor…1701
Coolant temperature sensor…1702
Fuel level sensor…1702
Air cleaner clogging sensor…1702
20 TESTING, ADJUSTING AND TROUBLESHOOTING…1703
TESTING AND ADJUSTING…1707
STANDARD VALUE TABLE…1708
For engine – PC200LC-6, PC210LC-6…1708
For engine – PC220LC-6, PC250LC-6…1709
For chassis…1710
TOOLS FOR TESTING, ADJUSTING AND TROUBLESHOOTING…1727
MEASURING ENGINE SPEED…1728
MEASURING EXHAUST GAS COLOR…1729
ADJUSTING VALVE CLEARANCE…1730
MEASURING COMPRESSION PRESSURE…1731
MEASURING BLOW-BY PRESSURE…1731
TESTING AND ADJUSTING FUEL INJECTION TIMING…1732
MEASURE ENGINE OIL PRESSURE…1733
TESTING AND ADJUSTING FAN BELT TENSION…1734
TESTING AND ADJUSTING BELT TENSION FOR AIR CONDITIONER COMPRESSOR…1734
MEASURING SPEED SENSOR…1735
TESTING AND ADJUSTING GOVERNOR MOTOR LEVER STROKE…1736
TESTING AND ADJUSTING HYDRAULIC PRESSURE IN WORK EQUIPMENT, SWING, AND TRAVEL CIRCUIT…1737
TESTING AND ADJUSTING PC VALVE OUTPUT PRESSURE (SERVO PISTON INPUT PRESSURE)…1740
TESTING AND ADJUSTING LS VALVE OUTPUT PRESSURE (SERVO PISTON INPUT PRESSURE AND LS DIFFERENTIAL PRESSURE)…1741
TESTING AND ADJUSTING CONTROL CIRCUIT OIL PRESSURE…1744
TESTING SOLENOID VALVE OUTPUT PRESSURE…1745
MEASURING PPC VALVE OUTPUT PRESSURE…1747
Pressure switch piping diagram…1748
ADJUSTING WORK EQUIPMENT – SWING PPC VALVE…1749
TESTING TRAVEL DEVIATION…1750
TESTING LOCATIONS CAUSING HYDRAULIC DRIFT OF WORK EQUIPMENT…1751
MEASURE OIL LEAKAGE…1753
RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT…1755
TESTING CLEARANCE OF SWING CIRCLE BEARING…1755
TESTING AND ADJUSTING TRACK SHOE TENSION…1756
BLEEDING AIR…1757
TROUBLESHOOTING…1759
POINTS TO REMEMBER WHEN TROUBLESHOOTING…1760
SEQUENCE OF EVENTS IN TROUBLESHOOTING…1761
POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE…1762
Points to remember when handling electric equipment…1762
Points to remember when troubleshooting electric circuits…1767
Points to remember when handling hydraulic equipment…1768
CHECKS BEFORE TROUBLESHOOTING…1770
CONNECTOR TYPES AND MOUNTING LOCATIONS…1771
CONNECTION TABLE FOR CONNECTOR PIN NUMBERS…1775
EXPLANATION OF CONTROL MECHANISM FOR ELECTRICAL SYSTEM…1785
DISPLAY METHOD AND SPECIAL FUNCTIONS OF MONITOR PANEL…1786
METHOD OF USING JUDGEMENT TABLE…1795
METHOD OF USING TROUBLESHOOTING CHARTS…1797
DETAILS OF TROUBLESHOOTING AND TROUBLESHOOTING PROCEDURE…1799
SERVICE CODE TABLE…1804
TROUBLESHOOTING OF COMMUNICATION ABNORMALITY SYSTEM (N MODE)…1805
N-1 [E218] Communications abnormality…1805
TROUBLESHOOTING OF ENGINE THROTTLE – PUMP CONTROLLER (GOVERNOR CONTROL SYSTEM) (E MODE)…1807
POINTS TO REMEMBER WHEN CARRYING OUT TROUBLESHOOTING OF ENGINE THROTTLE – PUMP CONTROLLER SYSTEM…1807
ACTION TAKEN BY CONTROLLER WHEN ABNORMALITY OCCURS AND PROBLEMS ON MACHINE…1808
JUDGEMENT TABLE FOR ENGINE THROTTLE – PUMP CONTROLLER (GOVERNOR CONTROL SYSTEM) AND ENGINE RELATED PARTS…1812
ELECTRICAL CIRCUIT DIAGRAM FOR E MODE SYSTEM…1814
E-1 Abnormality in engine throttle – pump controller power source (controller LED is OFF)…1816
E-2 [E308] Abnormality in fuel control dial input value is displayed…1817
E-3 [E317] Abnormality (disconnection) in motor drive system is displayed…1818
E-4 [E318] Abnormality (short circuit) in motor drive system is displayed…1819
E-5 [E306] Abnormality in feedback potentiometer system is displayed…1820
E-6 [E315] Abnormality (short circuit) in battery relay output system is displayed…1821
E-7 [E316] Abnormality (step-out) in motor is displayed…1822
E-8 Engine does not start…1823
E-9 Engine speed is irregular…1826
E-10 Lack of output (engine high idling speed is too low)…1830
E-11 Engine does not stop…1832
E-12 Defective operation of battery relay system (engine does not stop)…1834
TROUBLESHOOTING OF ENGINE SYSTEM (S MODE)…1836
METHOD OF USING TROUBLESHOOTING CHARTS…1836
S-1 Starting performance is poor (starting always takes time)…1840
S-2 Engine does not start…1842
S-3 Engine does not pick up smoothly (follow-up is poor)…1845
S-4 Engine stops during operations…1846
S-5 Engine does not rotate smoothly (hunting)…1847
S-6 Engine lacks output (no power)…1848
S-7 Exhaust smoke is black (incomplete combustion)…1849
S-8 Oil consumption is excessive (or exhaust smoke is blue)…1850
S-9 Oil becomes contaminated quickly…1851
S-10 Fuel consumption is excessive…1852
S-11 Oil is in coolant, or coolant spurts back, or coolant level goes down…1853
S-12 Oil pressure caution lamp lights up (drop in oil pressure)…1854
S-13 Oil level rises (coolant, fuel in oil)…1855
S-14 Coolant temperature becomes too high (overheating)…1856
S-15 Abnormal noise is made…1857
S-16 Vibration is excessive…1858
TROUBLESHOOTING OF ENGINE THROTTLE – PUMP CONTROLLER (PUMP CONTROL SYSTEM) (C MODE)…1859
POINTS TO REMEMBER WHEN TROUBLESHOOTING PUMP CONTROLLER SYSTEM…1859
ACTION TAKEN BY CONTROLLER WHEN ABNORMALITY OCCURS AND PROBLEMS ON MACHINE…1860
JUDGEMENT TABLE FOR ENGINE THROTTLE – PUMP CONTROLLER (PUMP CONTROL SYSTEM) AND HYDRAULIC RELATED PARTS…1868
ELECTRICAL CIRCUIT DIAGRAM FOR C MODE AND F MODE…1870
C-1 Abnormality in controller power source system (controller LED is OFF)…1872
C-2 [E232] Short circuit in pump EPC solenoid system is displayed…1873
C-3 [E233] Disconnection in PC-EPC solenoid system is displayed…1875
C-4 [E213] Disconnection in swing holding brake solenoid system is displayed…1877
C-5 [E203] Short circuit in swing holding brake solenoid system is displayed…1879
C-6 [E204] Short circuit in pump merge/divider solenoid system is displayed…1881
C-7 [E214] Disconnection in pump merge/divider solenoid system is displayed…1882
C-8 [E207] Short circuit in active mode solenoid system is displayed…1883
C-9 [E208] Disconnection in active mode solenoid system is displayed…1884
C-10 [E206] Short circuit in travel speed solenoid system is displayed…1885
C-11 [E216] Disconnection in travel speed selector solenoid system is displayed…1886
C-12 [E205] Short circuit in 2-stage relief solenoid system is displayed…1887
C-13 [E215] Disconnection in 2-stage relief solenoid system is displayed…1888
C-14 [E217] Model selection input error is displayed…1889
C-15 [E222] Short circuit in LS-EPC solenoid system is displayed…1891
C-16 [E223] Disconnection in LS-EPC solenoid system is displayed…1892
C-17 [E224] Abnormality in front pump pressure sensor system is displayed…1893
C-18 [E225] Abnormality in rear pump pressure sensor system is displayed…1894
C-19 [E226] Abnormality in pressure sensor power source system is displayed…1895
C-20 [E227] Abnormality in engine speed sensor system is displayed…1896
TROUBLESHOOTING OF ENGINE THROTTLE – PUMP CONTROLLER (INPUT SIGNAL SYSTEM) (F MODE)…1897
F-1 Bit pattern 20 -(1) Swing oil pressure switch does not light up…1897
F-2 Bit pattern 20-(2) Travel oil pressure switch does not light up…1898
F-3 Bit pattern 20-(3) Boom LOWER oil pressure switch does not light up…1899
F-4 Bit pattern 20-(4) Boom RAISE oil pressure switch does not light up…1900
F-5 Bit pattern 20-(5) Arm IN oil pressure switch does not light up…1901
F-6 Bit pattern 20-(6) Arm OUT oil pressure switch does not light up…1902
F-7 Bit pattern 21-(1) Bucket CURL oil pressure switch does not light up…1903
F-8 Bit pattern 21-(2) Bucket DUMP oil pressure switch does not light up…1904
F-9 Bit pattern 21-(3) Swing lock switch does not light up…1905
F-10 Bit pattern 22-(5) Kerosene mode connection does not light up…1906
F-11 Bit pattern 22-(6) L.H. knob switch does not light up…1907
TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (H MODE)…1908
TABLE OF FAILURE MODES AND CAUSES FOR HYDRAULIC AND MECHANICAL SYSTEM…1908
PUMP MERGE/DIVIDER LOGIC…1912
SOLENOID ACTUATION TABLE…1913
H-1 Speeds of all work equipment, swing, travel are slow…1914
H-2 There is excessive drop in engine speed, or engine stalls…1916
H-3 No work equipment, travel, swing move…1916
H-4 Abnormal noise generated (around pump)…1917
H-5 Auto-deceleration does not work (PPC shuttle valve is equipped only in travel PPC valve)…1917
H-6 FINE control ability is poor or response is poor…1918
H-7 Boom is slow or lacks power…1919
H-8 Arm is slow or lacks power…1921
H-9 Bucket is slow or lacks power…1923
H-10 Work equipment (boom, arm, bucket) does not move (but travel and swing are normal)…1924
H-11 Excessive hydraulic drift (boom,arm, bucket)…1924
H-12 Excessive time lag (engine at low idling)…1925
H-13 Other equipment moves when single circuit is relieved…1925
H-14 Lack of power when pressure rises…1926
H-15 In L/O, F/O modes, work equipment speed is faster than specified speed…1927
H-16 In compound operations, work equipment with large load is slow…1927
H-17 In swing + boom RAISE, boom RAISE is slow…1928
H-18 In swing + travel, travel speed drops excessively…1928
H-19 Travel deviation…1928
H-20 Travel speed is slow…1929
H-21 Steering does not turn easily or lacks power…1931
H-22 Travel speed does not switch or is faster than specified speed…1933
H-23 Travel does not move (one side only)…1933
H-24 Does not swing…1934
H-25 Swing acceleration is poor or swing speed is slow…1935
H-26 Excessive overrun when stopping swing…1937
H-27 Excessive shock when stopping swing (one direction only)…1937
H-28 Excessive abnormal noise when stopping swing…1938
H-29 Excessive hydraulic drift of swing…1938
H-30 Swing speed is faster than specified speed in L/O and F/O modes…1939
TROUBLESHOOTING OF MACHINE MONITOR SYSTEM (M CODE)…1940
ACTION TAKEN BY MONITOR PANEL WHEN ABNORMALITY OCCURS AND PROBLEMS ON MACHINE…1940
ELECTRICAL CIRCUIT DIAGRAM FOR M MODE SYSTEM…1942
M-1 [E101] Abnormality in error data is displayed; [E102] Error in clock data is displayed…1944
M-2 [E103] Short circuit in buzzer output or contact of 24V wiring harness with buzzer drive harness is displayed…1945
M-3 [E104] Air cleaner clogging detected is displayed…1946
M-4 [E108] Engine coolant temperature 105E EC detected is displayed…1946
M-5 When starting switch is turned ON, none of the lamps on monitor panel light up for 3 seconds…1947
M-6 When starting switch is turned ON, monitor panel lamps all stay lighted up and do not go out…1949
M-7 When starting switch is turned ON, items lighted up on monitor panel are different from actual machine model…1949
M-8 When starting switch is turned ON (engine stopped), basic check items flash…1950
M-9 Preheating is not being used but (preheating monitor) lights up…1953
M-10 When starting switch is turned ON and engine is started, basic check items flash…1954
M-11 When starting switch is turned ON (engine stopped), caution items, emergency items flash (battery, engine oil pressure lamp…1956
M-12 When starting switch is turned ON and engine is started, caution items, emergency items flash(when there is no abnormality)…1958
M-13 When starting switch is turned ON (engine stopped), buzzer does not sound for 1 second. Caution item flashes, no sound…1961
M-14 No abnormality is displayed on monitor but buzzer sounds…1961
M-15 Night lighting on monitor panel does not light up (liquid crystal display in normal)…1962
M-16 Coolant temperature gauge does not rise…1963
M-17 Coolant temperature gauge does not give any display (none of the gauge lamps light up during operation)…1964
M-18 Fuel level gauge always displays FULL…1965
M-19 Fuel level gauge does not give display…1965
M-20 Swing lock switch is turned ON (LOCK) but (swing lock monitor) does not light up…1966
M-21 Swing prolix switch is turned ON (prolix), but (swing lock monitor) does not flash…1967
M-22 Service meter does not advance while engine is running…1968
M-23 When starting switch is at OFF and time switch is pressed, time and service meter are not displayed…1968
M-24 Defective fuel lever sensor system…1969
M-25 Defective coolant temperature sensor system…1970
M-26 Defective engine oil sensor system…1971
M-27 Defective coolant level sensor system…1972
M-28 Defective hydraulic oil level sensor system…1973
M-29 Wiper does not work, or switch is not being used but wiper is actuated…1974
M-30 Washer motor does not work, or switch is not being used but washer motor is actuated…1979
30 DISASSEMBLY AND ASSEMBLY…1982
METHOD OF USING MANUAL…1987
When removing or installing unit assemblies…1987
General precautions…1987
Listing of special tools…1987
PRECAUTIONS WHEN CARRYING OUT OPERATION…1988
Precautions when carrying out removal work…1988
Precautions when carrying out installation work…1989
Precautions when completing the operations…1989
SPECIAL TOOL LIST…1990
SKETCHES OF SPECIAL TOOLS…1994
STARTING MOTOR…1995
Removal…1995
Installation…1995
ALTERNATOR…1996
Removal…1996
Installation…1996
AIR CONDITIONER COMPRESSOR…1997
Removal…1997
Installation…1997
AIR CONDITIONER CONDENSER…1998
Removal…1998
Installation…1998
DRY RECEIVER…1999
Removal…1999
Installation…1999
FUEL INJECTION PUMP…2000
Removal…2000
Installation…2002
WATER PUMP…2003
Removal…2003
Installation…2004
NOZZLE HOLDER…2005
Removal…2005
Installation…2005
TURBOCHARGER…2006
Removal…2006
Installation…2006
THERMOSTAT…2007
Removal…2007
Installation…2008
GOVERNOR MOTOR…2009
Removal…2009
Installation…2009
CYLINDER HEAD ASSEMBLY…2010
Removal PC200LC-6, PC210LC-6…2010
Installation PC200LC-6, PC210LC-6…2013
Removal PC220LC-6, PC250LC-6…2014
Installation PC220LC-6, PC250LC-6…2017
RADIATOR – HYDRAULIC OIL COOLER…2018
Removal…2018
Installation…2019
ENGINE, MAIN PUMP…2020
Removal…2020
Installation…2023
DAMPER…2024
Removal…2024
Installation…2024
FUEL TANK…2025
Removal…2025
Installation…2025
CENTER SWIVEL JOINT…2026
Removal…2026
Installation…2027
Disassembly…2028
Assembly…2028
FINAL DRIVE…2029
Removal…2029
Installation…2029
Disassembly …2030
PC200, PC210, PC220…2030
Assembly …2033
PC200, PC210, PC220…2033
Disassembly …2038
PC250…2038
Assembly …2041
PC250…2041
SPROCKET…2045
Removal…2045
Installation…2045
SWING MOTOR…2046
Removal …2046
PC200, PC210, PC220…2046
Installation …2046
PC200, PC210, PC220…2046
SWING MACHINERY…2047
Removal…2047
Installation…2047
SWING MOTOR AND MACHINERY…2048
Removal …2048
PC250…2048
Installation …2049
PC250…2049
SWING MACHINERY…2050
Disassembly …2050
PC200, PC210, PC220…2050
Assembly…2053
PC200, PC210, PC220…2053
Disassembly …2057
PC250…2057
Assembly …2060
PC250…2060
REVOLVING FRAME…2065
Removal…2065
Installation…2066
SWING CIRCLE…2067
Removal…2067
Installation…2067
IDLER – RECOIL SPRING…2068
Removal…2068
Installation…2068
RECOIL SPRING…2069
Disassembly…2069
Assembly…2070
IDLER…2071
Disassembly…2071
Assembly…2072
TRACK ROLLER…2074
Removal…2074
Installation…2074
Disassembly…2075
Assembly…2076
CARRIER ROLLER…2078
Removal…2078
Installation…2078
Disassembly…2079
Assembly…2080
TRACK SHOE…2082
Removal…2082
Installation…2082
HYDRAULIC TANK…2083
Removal…2083
Installation…2084
MAIN PUMP…2085
Removal…2085
Installation…2087
MAIN PUMP INPUT SHAFT OIL SEAL…2088
Removal…2088
Installation…2088
CONTROL VALVE…2089
Removal…2089
Installation…2091
Disassembly…2092
Assembly…2096
PUMP MERGE-DIVIDER VALVE…2098
Disassembly…2098
Assembly…2098
MAIN RELIEF VALVE…2099
Disassembly…2099
Assembly…2099
PC VALVE…2100
Removal…2100
Installation…2100
LS VALVE…2101
Removal…2101
Installation…2101
PC, LS-EPC VALVE…2102
Removal…2102
Installation…2102
SOLENOID VALVE…2103
Removal…2103
Installation…2103
WORK EQUIPMENT – SWING PPC VALVE…2104
Removal…2104
Installation…2104
Disassembly…2105
Assembly…2106
TRAVEL PPC VALVE…2107
Removal…2107
Installation…2107
Disassembly…2108
Installation…2108
BOOM LOCK VALVE…2109
Removal…2109
Installation…2109
BOOM CYLINDER…2110
Removal…2110
Installation…2111
ARM CYLINDER…2112
Removal…2112
Installation…2113
BUCKET CYLINDER…2114
Removal…2114
Installation…2115
HYDRAULIC CYLINDER…2116
Disassembly…2116
Assembly…2118
WORK EQUIPMENT…2122
Removal…2122
Installation…2123
BUCKET…2124
Removal…2124
Installation…2125
ARM…2126
Removal…2126
Installation…2127
BUCKET – ARM…2128
Removal…2128
Installation…2129
BOOM…2130
Removal…2130
Installation…2131
OPERATOR’S CAB…2132
Removal…2132
Installation…2133
COUNTERWEIGHT…2134
Removal…2134
Installation…2134
ENGINE THROTTLE – PUMP CONTROLLER…2135
Removal…2135
Installation…2135
CONTROL STAND CASE…2136
Removal…2136
Installation…2137
MONITOR…2138
Removal…2138
Installation…2138
40 MAINTENANCE STANDARD…2139
SWING MACHINERY…2141
PC200LC-6, PC210LC-6, PC220LC-6…2141
PC250LC-6…2143
SWING CIRCLE…2145
FINAL DRIVE…2146
PC200LC-6, PC210LC-6, PC220LC-6…2146
PC250LC-6…2148
TRACK FRAME – RECOIL SPRING…2150
IDLER…2151
PC200LC-6, PC210LC-6, PC220LC-6…2151
PC250LC-6…2153
CARRIER ROLLER…2155
PC200LC-6, PC210LC-6, PC220LC-6…2155
PC250LC-6…2156
TRACK ROLLER…2157
PC200LC-6, PC210LC-6, PC220LC-6…2157
PC250LC-6…2158
TRACK SHOE…2159
PC200LC-6, PC210LC-6, PC220LC-6…2159
PC250LC-6…2161
HYDRAULIC PUMP…2163
CONTROL VALVE…2164
VARIABLE PRESSURE COMPENSATION VALVE…2170
SAFETY-SUCTION VALVE FOR SERVICE VALVE…2171
SELF-REDUCING PRESSURE VALVE…2172
SWING MOTOR…2173
PC200LC-6, PC210LC-6, PC220LC-6…2173
PC250LC-6…2174
TRAVEL MOTOR…2175
PC200LC-6, PC210LC-6, PC220LC-6…2175
PC250LC-6…2176
WORK EQUIPMENT – SWING PPC VALVE…2177
TRAVEL PPC VALVE…2178
SERVICE PPC VALVE…2179
EPC SOLENOID VALVE…2180
CENTER SWIVEL JOINT…2181
BOOM LOCK VALVE…2182
HYDRAULIC CYLINDER…2183
PC200LC-6, PC210LC-6…2183
Boom cylinder…2183
Arm cylinder…2183
Bucket cylinder…2183
PC220LC-6, PC250LC-6…2185
Boom cylinder…2185
Arm cylinder…2185
Bucket cylinder…2185
WORK EQUIPMENT…2187
DIMENSION OF WORK EQUIPMENT…2189
Arm portion…2189
Bucket portion…2191
CEBMX20601 – Hydraulic Excavator PC200-6, PC200LC-6, PC210LC-6, PC220LC-6, PC250LC-6 Shop Manual…2193
COVER…2193
CONTENTS…2202
01 GENERAL…2217
GENERAL ASSEMBLY DRAWING…2218
PC200-6, PC200LC-6, PC210LC-6…2218
PC220LC-6, PC250LC-6…2220
SPECIFICATIONS…2223
PC200-6, PC200LC-6…2223
PC210LC-6…2225
PC220LC-6…2227
PC250LC-6…2229
WEIGHT TABLE…2231
PC200-6, PC200LC-6…2231
PC200-6, PC200LC-6…2223
PC210LC-6…2233
PC220LC-6, PC250LC-6…2235
LIST OF LUBRICANT AND WATER…2237
10 STRUCTURE AND FUNCTION…2239
ENGINE RELATED PARTS…2240
RADIATOR, OIL COOLER, AFTERCOOLER…2241
POWERTRAIN…2243
FINAL DRIVE…2244
FINAL DRIVE…2245
SWING CIRCLE…2246
SWING MACHINERY…2247
TRACK FRAME, RECOIL SPRING…2248
TRACK SHOE…2249
HYDRAULIC PIPING DRAWING…2251
HYDRAULIC CIRCUIT DIAGRAM…2252
HYDRAULIC CIRCUIT DIAGRAM…2253
HYDRAULIC TANK…2255
HYDRAULIC PUMP…2256
LINE OIL FILTER…2277
CONTROL VALVE…2278
CLSS…2287
SWING MOTOR…2328
CENTER SWIVEL JOINT…2331
TRAVEL MOTOR…2332
TRAVEL MOTOR…2334
VALVE CONTROL…2343
WORK EQUIPMENT, SWING PPC VALVE…2344
TRAVEL PPC VALVE…2348
SERVICE PPC VALVE…2352
SAFETY LOCK VALVE…2355
PPC ACCUMULATOR…2355
PPC SHUTTLE, TRAVEL JUNCTION VALVE…2356
EPC, SOLENOID VALVE…2363
BOOM HOLDING VALVE…2368
HYDRAULIC CYLINDER…2371
ADDITIONAL FILTER FOR BREAKER…2372
WORK EQUIPMENT…2373
ELECTRICAL WIRING DIAGRAM…2374
ELECTRICAL CIRCUIT DIAGRAM (1/2)…2376
ENGINE CONTROL SYSTEM…2378
ELECTRONIC CONTROL SYSTEM…2383
MACHINE MONITOR SYSTEM…2408
20 TESTING AND ADJUSTMENT…2415
TABLE OF JUDGEMENT STANDARD VALUE…2416
STANDARD VALUE FOR ELECTRICAL PARTS…2428
TOOLS FOR TESTING, ADJUSTING AND TROUBLESHOOTING…2437
MEASURING ENGINE SPEED…2438
MEASURING EXHAUST GAS COLOR…2439
ADJUSTING VALVE CLEARANCE…2440
MEASURING COMPRESSION PRESSURE…2441
MEASURING BLOWBY PRESSURE…2441
TESTING AND ADJUSTING FUEL INJECTION TIMING…2442
MEASURING ENGINE OIL PRESSURE…2443
TESTING AND ADJUSTING ALTERNATOR FAN BELT TENSION…2444
TESTING AND ADJUSTING BELT TENSION FOR AIR CONDITIONER COMPRESSOR…2444
ADJUSTING ENGINE SPEED SENSOR…2445
TESTING AND ADJUSTING GOVERNOR MOTOR LEVER STROKE…2446
TESTING CLEARANCE OF SWING CIRCLE BEARING…2447
TESTING AND ADJUSTING TRACK SHOE TENSION…2448
TESTING AND ADJUSTING HYDRAULIC PRESSURE IN WORK EQUIPMENT, SWING, AND TRAVEL CIRCUIT…2449
TESTING AND ADJUSTING TVC VALVE OUTPUT PRESSURE (SERVO PISTON INPUT PRESSURE)…2452
TESTING AND ADJUSTING LS VALVE OUTPUT PRESSURE (SERVO PISTON INPUT PRESSURE) AND LS DIFFERENTIAL PRESSURE…2454
TESTING AND ADJUSTING CONTROL PUMP CONTROL CIRCUIT OIL PRESSURE…2457
TESTING EPC VALVE, SOLENOID VALVE OUTPUT PRESSURE…2459
MEASURING PPC VALVE OUTPUT PRESSURE AND TESTING PPC SHUTTLE VALVE…2461
ADJUSTING WORK EQUIPMENT, SWING PPC VALVE…2463
ADJUSTING TRAVEL LEVER…2464
TESTING TRAVEL DEVIATION…2465
TESTING LOCATIONS CAUSING HYDRAULIC DRIFT OF WORK EQUIPMENT…2466
MEASURING OIL LEAKAGE…2468
RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT…2469
BLEEDING AIR…2470
TROUBLESHOOTING…2472
POINTS TO REMEMBER WHEN TROUBLESHOOTING…2473
SEQUENCE OF EVENTS IN TROUBLESHOOTING…2474
PRECAUTION WHEN CARRYING OUT MAINTENANCE…2475
CHECKS BEFORE TROUBLESHOOTING…2482
CONNECTOR TYPES AND MOUNTING LOCATIONS…2483
CONNECTION TABLE FOR CONNECTOR PIN NUMBERS…2487
EXPLANATION OF CONTROL MECHANISM FOR ELECTRICAL SYSTEM…2500
DISPLAY METHOD AND SPECIAL FUNCTIONS OF MONITOR PANEL…2501
METHOD OF USING JUDGEMENT TABLE…2510
METHOD OF USING TROUBLESHOOTING CHARTS…2512
DETAILS OF TROUBLESHOOTING AND TROUBLESHOOTlNG PROCEDURE…2514
TROUBLESHOOTING OF ENGINE THROTTLE CONTROLLER SYSTEM (E MODE)…2519
TROUBLESHOOTING…2472
POINTS TO REMEMBER WHEN CARRYING OUT TROUBLESHOOTING OF ENGINE THROTTLE CONTROLLER SYSTEM…2520
ACTION TAKEN BY CONTROLLER WHEN ABNORMALITY OCCURS AND PROBLEMS ON MACHINE…2521
JUDGEMENT TABLE FOR ENGINE THROTTLE CONTROLLER AND ENGINE RELATED PARTS…2523
ENGINE THROTTLE CONTROLLER SYSTEM CIRCUIT DIAGRAM…2524
E-1 Abnormality in engine throttle controller power system (engine speed stays at low idling) …2525
E-2 [E3:08] Abnormality in fuel control dial input value is displayed…2526
E-3 [E3:17] Abnormality (disconnection) in governor motor drive system is displayed…2527
E-4 [E3:18] Abnormality (short circuit) in governor motor drive system is displayed…2528
E-5 [E3:01] Abnormality in network reception system is displayed…2529
E-6 [E3:05] Abnormality in model code is displayed…2531
E-7 [E3:06] Abnormality in governor potentiometer system is displayed…2532
E-8 [E3:07] Abnormality in pump controller throttle system is displayed…2533
E-10 [E3:16] Abnormality (step-out) in governor motor system is displayed…2534
E-11 Engine does not start…2535
E-12 Engine speed is irregular…2537
E-13 Lack of output (engine high idling speed is too low)…2541
E-14 Engine does not stop…2543
E-15 Defective operation of battery relay system (engine does not stop)…2545
TROUBLESHOOTING OF ENGINE (S MODE)…2546
METHOD OF USING TROUBLESHOOTING CHART…2547
S-1 Starting performance is poor (Starting always takes time)…2551
S-2 Engine does not start…2552
Engine does not turn…2552
Engine turns but no exhaust gas comes out (Fuel is not being injected)…2553
Exhaust gas comes out but engine does not start (Fuel is being injected)…2554
S-3 Engine does not pick up smoothly (Follow-up is poor)…2555
S-4 Engine stops during operations…2556
S-5 Engine does not rotate smoothly…2557
S-6 Engine lacks output (no power)…2558
S-7 Exhaust gas is black (incomplete combustion)…2559
S-8 Oil consumption is excessive (or exhaust gas is blue)…2560
S-9 Oil becomes contaminated quickly…2561
S-10 Fuel consumption is excessive…2562
S-11 Oil is in cooling water, or water spurts back, or water level goes down…2563
S-12 Oil pressure lamp lights up (drop in oil pressure)…2564
S-13 Oil level rises…2565
S-14 Water temperature becomes too high (overheating)…2566
S-15 Abnormal noise is made…2567
S-16 Vibration is excessive…2568
TROUBLESHOOTING OF PUMP CONTROLLER SYSTEM (C MODE)…2569
POINTS TO REMEMBER WHEN TROUBLESHOOTING PUMP CONTROLLER SYSTEM…2570
ACTION TAKEN BY CONTROLLER WHEN ABNORMALITY OCCURS AND PROBLEMS ON MACHINE…2571
JUDGEMENT TABLE FOR PUMP CONTROLLER AND HYDRAULIC RELATED PARTS…2575
PUMP CONTROLLER SYSTEM CIRCUIT DIAGRAM…2576
C-1 Abnormality in pump controller power source system (swing brake is not canceled, etc.)…2577
C-2 [E2:32][E2:36] Sort circuit in front/rear pump TVC solenoid system is displayed…2578
C-3 [E2:33][E2:37] Disconnection in front/rear pump TVC solenoid system is displayed…2580
C-4 [E2:03] Short circuit in swing brake solenoid system is displayed…2582
C-5 [E2:13] Disconnection in swing brake solenoid system is displayed…2584
C-6…2586
[E2:02] Short circuit in LS select solenoid system is displayed…2586
[E2:04] Short circuit in pump merge-divider solenoid system is displayed…2586
[E2:05] Short circuit in 2-stage relief solenoid system is displayed…2586
[E2:06] Short circuit in travel speed solenoid system is displayed…2586
C-7…2588
[E2:12] Disconnection in LS select solenoid system is displayed…2588
[E2:14] Disconnection in pump merge-divider solenoid system is displayed…2588
[E2:15] Disconnection in 2-stage relief solenoid system is displayed…2588
[E2:16] Disconnection in travel speed solenoid system is displayed…2588
C-8 [E2:17] Model selection input error is displayed…2590
C-9 [E2:18] Network response overtime is displayed…2591
C-10 [E2:22] Short circuit in LS control EPC solenoid system is displayed…2593
C-11 [E2:23] Disconnection in LS control EPC solenoid system is displayed…2594
C-12…2595
[E2:24] Abnormality in front pump pressure sensor system is displayed…2595
[E2:25] Abnormality in rear pump pressure sensor system is displayed…2595
C-13 [E2:26] Abnormality in pump pressure sensor power source system is displayed…2597
C-14 [E2:27] Abnormality in engine speed sensor system is displayed…2598
C-15 [E2:28] Abnormality in auto-deceleration output system is displayed…2599
TROUBLESHOOTING OF PUMP CONTROLLER INPUT SIGNAL SYSTEM (F MODE)…2600
F-1 Bit pattern 20-(1) Swing oil pressure switch does not light up…2601
F-2 Bit pattern 20-(2) Travel oil pressure switch does not light up…2602
F-3 Bit pattern 20-(3) Boom LOWER oil pressure switch does not light up…2603
F-4 Bit pattern 20-(4) Boom RAISE oil pressure switch does not light up…2604
F-5 Bit pattern 20-(5) Arm IN oil pressure switch does not light up…2605
F-6 Bit pattern 20-(6) Arm OUT oil pressure switch does not light up…2606
F-7 Bit pattern 21-(1) Bucket CURL oil pressure switch does not light up…2607
F-8 Bit pattern 21-(2) Bucket DUMP oil pressure switch does not light up…2608
F-9 Bit pattern 21-(3) Swing lock switch does not light up…2609
F-10 Engine speed is not displayed in monitoring code 10 (abnormality in engine speed sensor system)…2610
F-11 Bit pattern 22-(5) Kerosene mode connection does not light up…2611
F-12 Bit pattern 22-(6) L.H. knob switch does not light up…2612
TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (H MODE)…2613
TABLE OF FAILURE MODES AND CAUSES FOR HYDRAULIC AND MECHANICAL SYSTEM…2614
PUMP MERGE-DIVIDER LOGIC…2616
ALL WORK EQUIPMENT, TRAVEL, SWING…2618
H-1 Speeds of all work equipment, swing, travel and slow or lack power…2618
H-2 There is excessive drop in engine speed, or engine stall…2620
H-3 No work equipment, travel, swing move…2621
H-4 Abnormal noise generated (around pump)…2621
H-5 Auto-deceleration does not work (when PPC shuttle valve is cause)…2622
H-6 Fine control ability is poor or response is poor…2622
WORK EQUIPMENT…2613
H-7 Boom is slow or lacks power…2623
H-8 Arm is slow or lacks power…2625
H-9 Bucket is slow or lacks power…2627
H-10 Work equipment (boom, arm, bucket) does not move (but travel and swing are normal)…2628
H-11 Excessive hydraulic drift (boom, arm, bucket)…2628
H-12 Excessive time lag (engine at low idling)…2629
H-13 Lack of power when pressure rises…2629
H-14 Other equipment moves when single circuit is relieved…2629
H-15 In L/O, F/O modes, work equipment speed is faster than specified speed…2630
COMPOUND OPERATIONS…2613
H-16 In Compound operations, work equipment with larger load is slow…2630
H-17 In swing + boom RAISE, boom RAISE is slow…2631
H-18 In swing + arm OUT, arm OUT is slow…2631
H-19 In swing + travel, travel speed drops excessively…2631
TRAVEL SYSTEMS…2613
H-20 Travel deviation…2632
H-21 Travel speed is slow…2633
H-22 Steering does not turn easily or lacks power…2635
H-23 Travel speed doeas not switch or is faster than specified speed…2637
H-24 Travel does not move (one side only)…2637
SWING SYSTEM…2613
H-25 Does not swing…2638
H-26 Swing acceleration is poor or swing speed is slow (both left and right, one direction only)…2639
H-27 Excessive overrun when stopping swing…2641
H-28 Excessive shock when stopping swing (one direction only)…2642
H-29 Excessive abnormal noise when stopping swing…2642
H-30 Excessive hydraulic drift of swing…2643
H-31 Swing speed is faster than specified swing speed…2644
TROUBLESHOOTING OF MACHINE MONITOR SYSTEM (M MODE)…2645
ACTION TAKEN BY MONITOR PANEL WHEN ABNORMALITY OCCRS AND PROBLEMS ON MACHINE…2646
MACHINE MONITOR SYSTEM CIRCUIT DIAGRAM…2647
M-1 [E1:01] Abnormality in error data is displayed…2648
M-2 [E1:02] Error in clock data is displayed…2648
M-3 [E1:03] Short circuit in buzzer output or contact of 24V wiring harness with buzzer drive harness is displayed…2648
M-4 When starting switch is turned on, none of lamps on monitor panel light up for 3 seconds…2649
M-5 When starting switch is turned ON, monitor panel-lamps all stay lighted up and do not go out…2650
M-6 When starting switch is turned ON, items lighted up on monitor panel are different from machine model…2650
M-7 When starting switch is turned ON (engine stopped), CHECK items flash (fluids level for CHECK items are at specified level)…2651
M-8 Preheating is not being used but preheating display lights up…2653
M-9 When starting switch is turned ON and engine is started, CHECK items flash…2654
M-10 When starting switch is turned ON (engine stopped), CAUTION items flash…2656
M-11 When starting switch is turned ON and engine is started, CAUTION items flash…2658
M-12 When starting switch is turned ON (engine stopped), buzzer does not sound for 1 second…2661
M-13 Liquid crystal night lighting on monitor panel does not light up (liquid crystal display is normal)…2662
M-14 Coolant temperature gauge does not rise…2663
M-15 Collant temperature gauge does not give any display (none of gauge lamps light up during operation)…2664
M-16 Fuel level gauge always displays FULL…2665
M-17 Fuel level gauge does not give display…2665
M-18 Swing lock switch is turned ON (LOCK) but monitor panel parking display does not light up…2666
M-19 Swing lock prolix switch is ON (prolix), but monitor panel parking display does not flash…2666
M-20 Defective fuel level sensor system…2667
M-21 Defective coolant temperature sensor system…2668
M-22 Defective engine oil level sensor system…2669
M-23 Defective coolant level sensor system…2670
M-24 Defective hydraulic oil level sensor system…2671
M-25 Working light, panel lighting do not light up, or switch is not being used but lights light up…2672
M-26 Wiper does not work or switch is not being used but wiper is actuated…2674
30 DISASSEMBLY AND ASSEMBLY…2678
METHOD OF USING MANUAL…2682
PRECAUTIONS WHEN CARRYING OUT OPERATION…2683
SPECIAL TOOL LIST…2685
STARTING MOTOR…2690
REMOVAL…2690
INSTALLATION…2690
ALTERNATOR…2690
REMOVAL…2690
INSTALLATION…2690
AIR CONDITIONER COMPRESSOR…2691
REMOVAL…2691
INSTALLATION…2691
AIR CONDITIONER CONDENSER…2692
REMOVAL…2692
INSTALLATION…2692
ENGINE OIL COOLER CORE…2693
REMOVAL…2693
INSTALLATION…2693
FUEL INJECTION PUMP…2694
REMOVAL…2694
INSTALLATION…2696
WATER PUMP…2697
REMOVAL…2697
INSTALLATION…2697
NOZZLE HOLDER…2698
REMOVAL…2698
INSTALLATION…2698
TURBOCHARGER…2699
REMOVAL…2699
INSTALLATION…2699
THERMOSTAT…2700
REMOVAL…2700
INSTALLATION…2700
ENGINE FRONT OIL SEAL…2701
REMOVAL…2701
INSTALLATION…2701
ENGINE REAR OIL SEAL…2702
REMOVAL…2702
INSTALLATION…2702
GOVERNOR MOTOR…2703
REMOVAL…2703
INSTALLATION…2703
CYLINDER HEAD…2704
REMOVAL…2704
INSTALLATION…2706
AFTERCOOLER…2708
REMOVAL…2708
INSTALLATION…2708
HYDRAULIC OIL COOLER – PC200-6, PC210-6…2709
REMOVAL…2709
INSTALLATION…2709
HYDRAULIC OIL COOLER – PC220-6, PC250-6…2710
REMOVAL…2710
INSTALLATION…2710
RADIATOR HYDRAULIC OIL COOLER – PC200-6, PC210-6…2711
REMOVAL…2711
INSTALLATION…2712
RADIATOR HYDRAULIC OIL COOLER – PC220-6, PC250-6…2713
REMOVAL…2713
INSTALLATION…2714
ENGINE HYDRAULIC PUMP…2715
REMOVAL…2715
INSTALLATION…2718
DAMPER…2719
REMOVAL…2719
INSTALLATION…2719
FUEL TANK…2720
REMOVAL…2720
INSTALLATION…2720
CENTER SWIVEL JOINT…2721
REMOVAL…2721
INSTALLATION…2721
DISASSEMBLY…2722
ASSEMBLY…2722
FINAL DRIVE…2723
REMOVAL…2723
INSTALLATION…2723
FINAL DRIVE PC200-6 6, PC200LC-6, PC210LC-6, PC220LC-6…2724
DISASSEMBLY…2724
ASSEMBLY…2727
FINAL DRIVE PC250LC…2731
DISASSEMBLY…2731
ASSEMBLY…2734
SPROCKET…2739
REMOVAL…2739
INSTALLATION…2739
TRAVEL MOTOR…2740
DISASSEMBLY…2740
ASSEMBLY…2745
SWING MOTOR…2753
REMOVAL…2753
INSTALLATION…2753
SWING MACHINERY…2754
REMOVAL…2754
INSTALLATION…2754
DISASSEMBLY…2755
ASSEMBLY…2758
REVOLVING FRAMES…2762
REMOVAL…2762
INSTALLATION…2763
SWING CIRCLE…2764
REMOVAL…2764
INSTALLATION…2765
IDLER, RECOIL SPRING…2766
REMOVAL…2766
INSTALLATION…2766
RECOIL SPRING…2767
DISASSEMBLY…2767
ASSEMBLY…2768
IDLER…2769
DISASSEMBLY…2769
ASSEMBLY…2770
TRACK ROLLER…2772
REMOVAL…2772
INSTALLATION…2772
DISASSEMBLY…2774
ASSEMBLY…2775
CARRIER ROLLER…2777
REMOVAL…2777
INSTALLATION…2777
DISASSEMBLY…2778
ASSEMBLY…2779
TRACK SHOE…2781
REMOVAL…2781
INSTALLATION…2781
HYDRAULIC TANK…2782
REMOVAL…2782
INSTALLATION…2783
CONTROL PUMP…2784
REMOVAL…2784
INSTALLATION…2784
MAIN PUMP…2785
REMOVAL…2785
INSTALLATION…2786
DISASSEMBLY…2787
ASSEMBLY…2793
MAIN PUMP INPUT SHAFT OIL SEAL…2809
REMOVAL…2809
INSTALLATION…2809
CONTROL VALVE…2810
REMOVAL…2810
INSTALLATION…2811
REMOVAL 7 – SPOOL…2812
INSTALLATION 7 – SPOOL…2813
DISASSEMBLY…2814
ASSEMBLY…2816
PUMP MERGE-DIVIDER VALVE…2818
DISASSEMBLY…2818
ASSEMBLY…2818
PRESSURE COMPENSATION VALVE…2819
DISASSEMBLY…2819
ASSEMBLY…2819
MAIN RELIEF VALVE…2820
DISASSEMBLY…2820
ASSEMBLY…2821
TVC – LS VALVE…2822
FRONT PUMP…2822
REMOVAL…2822
INSTALLATION…2822
REAR PUMP…2823
REMOVAL…2823
INSTALLATION…2823
LS CONTROL EPC VALVE…2824
REMOVAL…2824
INSTALLATION…2824
SOLENOID VALVE…2825
REMOVAL…2825
INSTALLATION…2825
WORK EQUIPMENT/SWING PPC VALVE…2826
REMOVAL…2826
INSTALLATION…2826
DISASSEMBLY…2827
ASSEMBLY…2828
TRAVEL PPC VALVE…2829
REMOVAL…2829
INSTALLATION…2829
DISASSEMBLY…2830
ASSEMBLY…2830
BOOM LOCK VALVE…2832
REMOVAL…2832
INSTALLATION…2832
BOOM CYLINDER…2833
REMOVAL…2833
INSTALLATION…2834
ARM CYLINDER…2835
REMOVAL…2835
INSTALLATION…2836
BUCKET CYLINDER…2837
REMOVAL…2837
INSTALLATION…2838
HYDRAULIC CYLINDER…2839
DISASSEMBLY…2839
ASSEMBLY…2841
WORK EQUIPMENT…2844
REMOVAL…2844
INSTALLATION…2845
BUCKET…2846
REMOVAL…2846
INSTALLATION…2847
ARM…2848
REMOVAL…2848
INSTALLATION…2849
BUCKET ARM…2850
REMOVAL…2850
INSTALLATION…2851
BOOM…2852
REMOVAL…2852
INSTALLATION…2853
OPERATOR'S CAB…2854
REMOVAL…2854
INSTALLATION…2856
COUNTERWEIGHT…2857
REMOVAL…2857
INSTALLATION…2857
ENGINE THROTTLE CONTROLLER…2858
REMOVAL…2858
INSTALLATION…2858
PUMP CONTROLLER…2859
REMOVAL…2859
INSTALLATION…2859
MONITOR…2860
REMOVAL…2860
INSTALLATION…2860
40 MAINTENANCE STANDARD…2861
FINAL DRIVE…2862
FINAL DRIVE…2864
SWING MACHINERY…2866
SWING CIRCLE…2868
TRACK FRAME, RECOIL SPRING…2869
TRACK FRAME, RECOIL SPRING…2870
IDLER…2871
IDLER…2873
CARRIER ROLLER…2875
CARRIER ROLLER…2876
TRACK ROLLER…2877
TRACK ROLLER…2878
TRACK SHOE…2879
TRACK SHOE…2881
HYDRAULIC PUMP…2883
CONTROL PUMP, RELIEF VALVE…2884
SWING MOTOR…2892
TRAVEL MOTOR…2893
TRAVEL MOTOR…2894
WORK EQUIPMENT, SWING PPC VALVE…2895
TRAVEL PPC VALVE…2896
SERVICE PPC VALVE…2897
PPC SHUTTLE, TRAVEL JUNCTION VALVE…2898
EPC, SOLENOID VALVE…2900
CENTER SWIVEL JOINT…2901
BOOM HOLDING VALVE…2902
HYDRAULIC CYLINDER…2903
HYDRAULIC CYLINDER…2905
WORK EQUIPMENT…2907
Komatsu Hydraulic Excavator PC200, PC200LC, PC210LC, PC220LC, PC250LC Repair Service Manuals
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