INSTANT DOWNLOAD
Complete service repair manual with Electrical Wiring Diagrams for Komatsu Hydraulic Excavator PC60-5, PC60L-5, PC60U-5, PC60-6, PC60L-6, PC60-7, PC60-7B, PC90-1, with all the technical information to maintain, diagnose, repair, rebuild like professional mechanics.
Komatsu Hydraulic Excavator PC60-5, PC60L-5, PC60U-5, PC60-6, PC60L-6, PC60-7, PC60-7B, PC90-1 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.
SEBM004101 – Hydraulic Excavator PC60-7 Shop Manual.pdf
SEBM010911 – Hydraulic Excavator PC60-7, PC60-7B Shop Manual.pdf
SEBM02010505 – Hydraulic Excavator PC60-5, PC60L-5, PC60U-5 Shop Manual.pdf
SEBM02010607 – Hydraulic Excavator PC60-6, PC60L-6, PC90-1 Shop Manual.pdf
SEAM000400 – Hydraulic Excavator PC60-6 Custom Operation & Maintenance Manual.pdf
SEAM004202 – Hydraulic Excavator PC60-7 Operation & Maintenance Manual.pdf
SEAM004203 – Hydraulic Excavator PC60-7 Operation & Maintenance Manual.pdf
SEAM009600 – Hydraulic Excavator PC60-7 Operation & Maintenance Manual.pdf
SEAM034100 – Hydraulic Excavator PC60-7 Operation & Maintenance Manual.pdf
SEAM034104T – Hydraulic Excavator PC60-7 Operation & Maintenance Manual.pdf
SEAM034106T – Hydraulic Excavator PC60-7 Operation & Maintenance Manual.pdf
SEAM02010502 – Hydraulic Excavator PC60-5, PC60L-5, PC60U-5 Operation & Maintenance Manual.pdf
SEAM02010602 – Hydraulic Excavator PC60-6, PC60L-6, PC90-1 Operation & Maintenance Manual.pdf
SEAM02010604 – Hydraulic Excavator PC60-6, PC60L-6, PC90-1 Operation & Maintenance Manual.pdf
PRODUCT DETAILS:
Total Pages: 4,212 pages
File Format: PDF
Language: English
MAIN SECTIONS
SEAM000400 – Hydraulic Excavator PC60-6 Custom Operation & Maintenance Manual…..2
COVER…..2
FOREWORD…..3
EXPLANATION OF SYMBOLS…..4
BREAKING IN YOUR NEW MACHINE…..4
CONTENTS…..5
GENERAL LOCATIONS AND SPECIFICATIONS…..6
INSTRUMENTS AND CONTROLS…..8
CHECK BEFORE STARTING…..30
OPERATING YOUR MACHINE…..36
CHANGING SWING RADIUS…..59
INVERSION AND REPLACEMENT OF BUCKET…..61
SELECTION OF TRACK SHOES…..63
INSTALLATION OF OPTIONAL ELECTRICAL EQUIPMENT…..65
COLD WEATHER OPERATION…..69
PERIODIC MAINTENANCE…..75
BLEEDING AIR FROM CIRCUIT…..76
PERIODICAL REPLACEMENT OF SAFETY PARTS…..80
MAINTENANCE TABLE…..83
OIL FILLER AND LEVEL GAUGE POSITIONS…..85
CHECK BEFORE STARTING…..87
EVERY 50 HOURS SERVICE…..87
EVERY 100 HOURS SERVICE…..87
EVERY 250 HOURS SERVICE…..93
EVERY 500 HOURS SERVICE…..97
EVERY 1000 HOURS SERVICE…..103
EVERY 2000 HOURS SERVICE…..105
WHEN REQUIRED…..109
ADJUSTMENT…..129
TROUBLE SHOOTING GUIDE…..131
SERVICE METER…..134
MACHINE AND ENGINE SERIAL NUMBERS…..136
FUEL,COOLANT AND LUBRICANTS…..138
MACHINES READY FOR ATTACHMENTS…..140
INSTRUMENTS AND CONTROLS…..141
HYDRAULIC CIRCUIT…..143
OPERATION…..145
STORAGE…..149
SPECIFICATIONS…..149
SAFETY AND OPERATION…..151
CONTENTS…..152
SAFETY HINTS…..153
POSITION FOR STICKING CAUTION AND NAME PLATES…..169
RADIO…..173
LOCKING CAP…..177
EXCAVATOR'S WORK…..179
HANDLING OF BATTERY…..181
TRANSPORTATION…..186
PRECAUTIONS FOR MAINTENANCE…..188
STORAGE…..194
COOLANT AND LUBRICANTS…..196
SEAM004202 – Hydraulic Excavator PC60-7 Operation & Maintenance Manual…..198
COVER…..198
1. FOREWORD…..202
2. SAFETY INFORMATION…..203
3. INTRODUCTION…..204
4. LOCATION OF PLATES, TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR…..205
5. CONTENTS…..206
SAFETY…..210
6. GENERAL PRECAUTIONS…..211
7. PRECAUTIONS DURING OPERATION…..216
7.1 BEFORE STARTING ENGINE…..216
7.2 OPERATING MACHINE…..218
7.3 TRANSPORTATION…..223
7.4 BATTERY…..224
7.5 TOWING…..225
7.6 BUCKET WITH HOOK…..226
8. PRECAUTIONS FOR MAINTENANCE…..229
8.1 BEFORE CARRYING OUT MAINTENANCE…..229
8.2 DURING MAINTENANCE…..232
9. POSITION FOR ATTACHING SAFETY LABELS…..236
OPERATION…..240
10. GENERAL VIEW…..241
10.1 GENERAL VIEW OF MACHINE…..241
10.2 GENERAL VIEW OF CONTROLS AND GAUGES…..242
11. EXPLANATION OF COMPONENTS…..243
11.1 MACHINE MONITOR…..243
11.2 SWITCHES…..248
11.3 CONTROL LEVERS AND PEDALS…..253
11.4 CEILING WINDOW…..259
11.5 ENGINE HOOD…..260
11.6 FRONT WINDOW…..261
11.7 DOOR LOCK…..263
11.8 ASHTRAY…..263
11.9 CAP, COVER WITH LOCK…..264
11.10 CAR RADIO…..265
11.11 FUSE…..269
11.12 FUSIBLE LINK…..270
11.13 CONTROLLERS…..270
11.14 TOOL BOX…..270
11.15 GREASE PUMP HOLDER…..270
12. OPERATION…..271
12.1 CHECK BEFORE STARTING ENGINE…..271
12.2 STARTING ENGINE…..280
12.3 OPERATIONS AND CHECKS AFTER STARTING ENGINE…..282
12.4 MOVING MACHINE OFF…..284
12.5 STEERING MACHINE…..287
12.6 STOPPING MACHINE…..289
12.7 SWINGING…..290
12.8 OPERATION OF WORK EQUIPMENT…..291
12.9 PROHIBITIONS FOR OPERATION…..292
12.10 PRECAUTIONS FOR OPERATION…..295
12.11 PRECAUTIONS WHEN TRAVELING UP OR DOWN HILLS…..296
12.12 HOW TO ESCAPE FROM MUD…..298
12.13 WORK POSSIBLE USING HYDRAULIC EXCAVATOR…..299
12.14 REPLACEMENT AND INVERSION OF BUCKET…..300
12.15 PARKING MACHINE…..303
12.16 CHECK AFTER FINISHING WORK…..304
12.17 STOPPING ENGINE…..304
12.18 CHECK AFTER STOPPING ENGINE…..305
12.19 LOCKING…..305
13. TRANSPORTATION…..306
13.1 LOADING, UNLOADING WORK…..306
13.2 PRECAUTIONS FOR LOADING…..308
13.3 PRECAUTIONS FOR TRANSPORTATION…..309
13.4 METHOD OF LIFTING MACHINE…..311
14. COLD WEATHER OPERATION…..312
14.1 PRECAUTIONS FOR LOW TEMPERATURE…..312
14.2 PREPARING THE CAB HEATER…..313
14.3 PRECAUTIONS AFTER COMPLETION OF WORK…..314
14.4 AFTER COLD WEATHER…..314
15. LONG-TERM STORAGE…..315
15.1 BEFORE STORAGE…..315
15.2 DURING STORAGE…..316
15.3 AFTER STORAGE…..316
16. TROUBLESHOOTING…..317
16.1 PHENOMENA THAT ARE NOT FAILURES…..317
16.2 METHOD OF TOWING MACHINE…..317
16.3 USING METHOD FOR LIGHT-WEIGHT TOWING HOOK…..317
16.4 PRECAUTIONS ON PARTICULAR JOBSITES…..318
16.5 IF BATTERY IS DISCHARGED…..318
16.6 OTHER TROUBLE…..323
MAINTENANCE…..328
17. GUIDES TO MAINTENANCE…..329
18. OUTLINES OF SERVICE…..331
18.1 OUTLINE OF OIL, FUEL, COOLANT…..331
18.2 OUTLINE OF ELECTRIC SYSTEM…..334
18.3 OUTLINE OF HYDRAULIC SYSTEM…..335
19. WEAR PARTS LIST…..336
20. USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE…..337
21. STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS…..341
21.1 INTRODUCTION OF NECESSARY TOOLS…..341
21.2 TORQUE LIST…..342
22. PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS…..343
23. MAINTENANCE SCHEDULE CHART…..345
23.1 MAINTENANCE SCHEDULE CHART…..345
23.2 MAINTENANCE INTERVAL WHEN USING HYDRAULIC BREAKER…..347
24. SERVICE PROCEDURE…..348
24.1 INITIAL 250 HOURS SERVICE…..348
CHANGE OIL IN ENGINE PAN, REPLACE OIL FILTER CARTRIDGE…..348
REPLACE FUEL FILTER CARTRIDGE…..348
CHECK ENGINE VALVE CLEARANCE, ADJUST…..348
24.2 WHEN REQUIRED…..349
CHECK, CLEAN AND REPLACE AIR CLEANER ELEMENT…..349
CLEAN INSIDE OF COOLING SYSTEM…..353
CHECK AND TIGHTEN TRACK SHOE BOLTS…..358
CHECK AND ADJUST TRACK TENSION…..359
CHECK GLOW PLUGS…..361
REPLACE BUCKET TEETH (VERTICAL PIN TYPE)…..362
REPLACE BUCKET TEETH (HORIZONTAL PIN TYPE)…..365
ADJUST BUCKET CLEARANCE…..366
CHECK WINDOW WASHER FLUID LEVEL, ADD FLUID…..367
CHECK AND ADJUST AIR CONDITIONER (MACHINES EQUIPPED WITH AIR CONDITIONER)…..368
REPLACE ADDITIONAL BREAKER FILTER ELEMENT…..369
24.3 CHECK BEFORE STARTING…..370
CHECK COOLANT LEVEL, ADD WATER…..370
CHECK OIL LEVEL IN ENGINE OIL PAN, ADD OIL…..370
CHECK FUEL LEVEL, ADD FUEL…..371
CHECK OIL LEVEL IN HYDRAULIC TANK, ADD OIL…..372
CHECK DUST INDICATOR…..373
CHECK ELECTRIC WIRINGS…..373
CHECK FOR WATER AND SEDIMENT IN WATER SEPARATOR, DRAIN WATER…..373
CHECK AMOUNT OF GREASE IN GREASE CARTRIDGE FOR AUTOMATIC GREASING, REPLACE GREASE CARTRIDGE (OPTION)…..374
24.4 EVERY 50 HOURS SERVICE…..375
DRAIN WATER AND SEDIMENT FROM FUEL TANK…..375
24.5 EVERY 100 HOURS SERVICE…..376
LUBRICATING…..376
BOOM CYLINDER FOOT PIN (1 POINT)…..376
BOOM FOOT PIN (2 POINTS)…..376
BOOM CYLINDER ROD END (1 POINT)…..377
ARM CYLINDER FOOT PIN (1 POINT)…..377
BOOM – ARM COUPLING PIN (1 POINT)…..377
ARM CYLINDER ROD END (1 POINT)…..377
BUCKET CYLINDER FOOT PIN (1 POINT)…..377
ARM – BUCKET COUPLING PIN (1 POINT)…..377
ARM – LINK COUPLING PIN (1 POINT)…..377
LINK COUPLING PIN (2 POINTS)…..377
BUCKET – LINK COUPLING PIN (2 POINTS)…..377
BUCKET CYLINDER ROD END (1 POINT)…..377
BLADE CYLINDER ROD END (1 POINT) (MACHINES WITH BLADE SPECIFICATION)…..377
BLADE CYLINDER FOOT PIN (1 POINT) (MACHINES WITH BLADE SPECIFICATION)…..377
BLADE FOOT PIN (2 POINTS) (MACHINES WITH BLADE SPECIFICATION)…..377
CHECK OIL LEVEL IN SWING MACHINERY CASE, ADD OIL…..378
24.6 EVERY 250 HOURS SERVICE…..379
CHECK OIL LEVEL IN FINAL DRIVE CASE, ADD OIL…..379
CHECK LEVEL OF BATTERY ELECTROLYTE…..380
REPLACE HYDRAULIC FILTER ELEMENT…..381
CHECK FAN BELT TENSION, ADJUST…..382
CHECK, ADJUST TENSION OF AIR CONDITIONER COMPRESSOR BELT (MACHINES EQUIPPED WITH AIR CONDITIONER)…..383
24.7 EVERY 500 HOURS SERVICE…..384
CHANGE OIL IN ENGINE OIL PAN, REPLACE ENGINE OIL FILTER CARTRIDGE…..384
REPLACE FUEL FILTER CARTRIDGE…..386
CHECK SWING PINION GREASE LEVEL, ADD GREASE…..388
LUBRICATE SWING CIRCLE (2 POINTS)…..388
CLEAN AND INSPECT RADIATOR FINS, OIL COOLER FINS AND CONDENSER FINS (MACHINES EQUIPPED WITH AIR CONDITIONER)…..389
CLEAN INTERNAL AND EXTERNAL AIR FILTERS OF AIR CONDITIONER SYSTEM (MACHINES EQUIPPED WITH AIR CONDITIONER)…..390
24.8 EVERY 1000 HOURS SERVICE…..391
CHANGE OIL IN SWING MACHINARY CASE…..391
CHANGE OIL IN FINAL DRIVE CASE…..391
ADD ANTI-CORROSIVE AGENT TO COOLING SYSTEM (APPLICABLE ONLY IN HARD WATER AREAS)…..391
24.9 EVERY 2000 HOURS SERVICE…..395
CHECK OIL LEVEL IN PTO GEAR CASE, ADD OIL…..395
CHANGE OIL IN HYDRAULIC TANK, CLEAN STRAINER…..395
CHECK ALTERNATOR, STARTING MOTOR…..395
CHECK ENGINE VALVE CLEARANCE, ADJUST…..395
24.10 EVERY 4000 HOURS SERVICE…..401
CHECK WATER PUMP…..401
SPECIFICATIONS…..402
25. SPECIFICATIONS…..403
OPTIONS, ATTACHMENTS…..406
26. GENERAL PRECAUTIONS…..407
26.1 PRECAUTIONS RELATED TO SAFETY…..407
26.2 PRECAUTIONS WHEN INSTALLING ATTACHMENTS…..408
27. HANDLING BUCKET WITH HOOK…..409
27.1 CHECKING FOR DAMAGE TO BUCKET WITH HOOK…..409
27.2 PROHIBITED OPERATIONS…..409
27.3 PRECAUTIONS DURING OPERATIONS…..409
28. USING SEAT BELT…..410
28.1 SEAT BELT…..410
29. HANDLING AIR CONDITIONER…..412
29.1 HANDLING AIR CONDITIONER…..412
29.2 PRECAUTIONS WHEN USING AIR CONDITIONER…..414
29.3 CHECK, MAINTAIN MACHINE WITH AIR CONDITIONER…..414
30. MACHINES READY FOR ATTACHMENTS…..415
30.1 GENERAL LOCATIONS…..415
30.2 HYDRAULIC CIRCUIT…..417
30.3 OPERATION…..420
30.4 HANDLING ACCUMULATOR…..422
30.5 LONG-TERM STORAGE…..423
30.6 SPECIFICATIONS…..423
31. INTRODUCTION OF OPTIONAL PARTS AND ATTACHMENTS…..424
31.1 INTRODUCTION OF OPTIONAL PARTS AND ATTACHMENTS…..424
31.2 ATTACHMENT INSTALLATION COMBINATION TABLE…..425
31.3 SELECTION OF TRACK SHOES…..426
31.4 HANDLING TELESCOPIC ARM…..427
31.5 HANDLING 2-PIECE BOOM…..437
31.6 AUTOMATIC GREASING CONTROLLER…..442
32. EXTENDING MACHINE SERVICE LIFE…..444
32.1 HYDRAULIC BREAKER…..444
32.2 POWER RIPPER…..447
32.3 FORK GRAB…..448
32.4 GRAPPLE BUCKET…..449
32.5 SCRAP GRAPPLE…..450
32.6 CRUSHER & SMASHER…..451
32.7 HYDRAULIC PILE DRIVER…..452
32.8 HYDRAULIC EXCAVATOR WITH MULTI-PURPOSE CRANE…..453
SEAM004203 – Hydraulic Excavator PC60-7 Operation & Maintenance Manual…..455
1. FOREWORD…..457
2. SAFETY INFORMATION…..458
3. INTRODUCTION…..459
4. LOCATION OF PLATES, TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR…..460
5. CONTENTS…..461
SAFETY…..465
6. GENERAL PRECAUTIONS …..466
7. PRECAUTIONS DURING OPERATION…..472
7.1 BEFORE STARTING ENGINE …..472
7.2 AFTER STARTING ENGINE…..474
7.3 TRANSPORTATION …..481
7.4 BATTERY …..482
7.5 TOWING …..484
7.6 BUCKET WITH HOOK …..485
8. PRECAUTIONS FOR MAINTENANCE…..486
8.1 BEFORE CARRYING OUT MAINTENANCE …..486
8.2 DURING MAINTENANCE…..490
9. POSITION FOR ATTACHING SAFETY LABELS …..495
OPERATION…..499
10. GENERAL VIEW…..500
10.1 GENERAL VIEW OF MACHINE …..500
10.2 GENERAL VIEW OF CONTROLS AND GAUGES…..501
11. EXPLANATION OF COMPONENTS…..502
11.1 MACHINE MONITOR…..502
11.2 SWITCHES …..508
11.3 CONTROL LEVERS AND PEDALS…..513
11.4 CEILING WINDOW…..519
11.5 ENGINE HOOD …..520
11.6 FRONT WINDOW …..521
11.7 DOOR LOCK …..523
11.8 ASHTRAY …..523
11.9 CAP, COVER WITH LOCK …..524
11.10 CAR RADIO…..525
11.11 FUSE…..529
11.12 FUSIBLE LINK …..530
11.13 CONTROLLERS …..530
11.14 TOOL BOX …..530
11.15 GREASE PUMP HOLDER …..530
12. OPERATION …..531
12.1 CHECK BEFORE STARTING ENGINE…..531
12.2 STARTING ENGINE …..543
12.3 OPERATIONS AND CHECKS AFTER STARTING ENGINE …..545
12.4 MOVING MACHINE OFF …..547
12.5 STEERING MACHINE …..550
12.6 STOPPING MACHINE …..552
12.7 SWINGING…..553
12.8 OPERATION OF WORK EQUIPMENT…..554
12.9 PROHIBITIONS FOR OPERATION …..555
12.10 PRECAUTIONS FOR OPERATION …..558
12.11 PRECAUTIONS WHEN TRAVELING UP OR DOWN HILLS …..559
12.12 HOW TO ESCAPE FROM MUD …..561
12.13 WORK POSSIBLE USING HYDRAULIC EXCAVATOR …..562
12.14 REPLACEMENT AND INVERSION OF BUCKET …..563
12.15 PARKING MACHINE …..566
12.16 CHECK AFTER FINISHING…..567
12.17 STOPPING ENGINE…..567
12.18 CHECK AFTER STOPPING ENGINE…..568
12.19 LOCKING…..568
13. TRANSPORTATION …..569
13.1 LOADING, UNLOADING WORK…..569
13.2 PRECAUTIONS FOR LOADING …..571
13.3 PRECAUTIONS FOR TRANSPORTATION …..572
13.4 METHOD OF LIFTING MACHINE …..574
14. COLD WEATHER OPERATION …..577
14.1 PRECAUTIONS FOR LOW TEMPERATURE …..577
14.2 PREPARING THE CAB HEATER …..578
14.3 PRECAUTIONS AFTER COMPLETION OF WORK…..579
14.4 AFTER COLD WEATHER …..579
15. LONG-TERM STORAGE …..580
15.1 BEFORE STORAGE …..580
15.2 DURING STORAGE …..581
15.3 AFTER STORAGE …..581
16. TROUBLESHOOTING…..582
16.1 PHENOMENA THAT ARE NOT FAILURES …..582
16.2 METHOD OF TOWING MACHINE …..582
16.3 USING METHOD FOR LIGHT-WEIGHT TOWING HOOK …..582
16.4 PRECAUTIONS ON PARTICULAR JOBSITES …..583
16.5 IF BATTERY IS DISCHARGED …..583
16.6 OTHER TROUBLE…..588
MAINTENANCE…..593
17. GUIDES TO MAINTENANCE …..594
18. OUTLINES OF SERVICE …..596
18.1 OUTLINE OF OIL, FUEL, COOLANT …..596
18.2 OUTLINE OF ELECTRIC SYSTEM …..599
18.3 OUTLINE OF HYDRAULIC SYSTEM …..600
19. WEAR PARTS LIST…..601
20.USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE …..602
21. STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS…..606
21.1 INTRODUCTION OF NECESSARY TOOLS …..606
21.2 TORQUE LIST …..607
22. PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS …..608
23. MAINTENANCE SCHEDULE CHART…..611
23.1 MAINTENANCE SCHEDULE CHART …..611
23.2 MAINTENANCE INTERVAL WHEN USING HYDRAULIC BREAKER …..613
24. SERVICE PROCEDURE …..614
24.1 INITIAL 250 HOURS SERVICE …..614
24.2 WHEN REQUIRED…..615
24.3 CHECK BEFORE STARTING…..635
24.4 EVERY 50 HOURS SERVICE…..640
24.5 EVERY 100 HOURS SERVICE …..641
24.6 EVERY 250 HOURS SERVICE …..644
24.7 EVERY 500 HOURS SERVICE …..647
24.8 EVERY 1000 HOURS SERVICE …..655
24.9 EVERY 2000 HOURS SERVICE…..658
24.10 EVERY 4000 HOURS SERVICE…..659
24.11EVERY 5000 HOURS SERVICE…..660
SPECIFICATIONS…..665
25. SPECIFICATIONS…..666
OPTIONS, ATTACHMENTS…..669
26. GENERAL PRECAUTIONS…..670
26.1 PRECAUTIONS RELATED TO SAFETY …..670
26.2 PRECAUTIONS WHEN INSTALLING ATTACHMENTS …..671
27. HANDLING BUCKET WITH HOOK…..672
27.1 CHECKING FOR DAMAGE TO BUCKET WITH HOOK…..672
27.2 PROHIBITED OPERATIONS…..672
27.3 PRECAUTIONS DURING OPERATIONS…..672
28. HANDLING AIR CONDITIONER …..673
28.1 HANDLING AIR CONDITIONER…..673
28.2 PRECAUTIONS WHEN USING AIR CONDITIONER …..675
28.3 CHECK, MAINTAIN MACHINE WITH AIR CONDITIONER …..675
29. MACHINES READY FOR ATTACHMENTS …..676
29.1 GENERAL LOCATIONS …..676
29.2 HYDRAULIC CIRCUIT…..678
29.3 OPERATION …..681
29.4 HANDLING ACCUMULATOR …..683
29.5 LONG-TERM STORAGE …..685
29.6 SPECIFICATIONS …..685
30. INTRODUCTION OF OPTIONAL PARTS AND ATTACHMENTS …..686
30.1 INTRODUCTION OF OPTIONAL PARTS AND ATTACHMENTS…..686
30.2 ATTACHMENT INSTALLATION COMBINATION TABLE …..687
30.3 SELECTION OF TRACK SHOES …..688
30.4 HANDLING TELESCOPIC ARM …..689
30.5 HANDLING 2-PIECE …..699
30.6 AUTOMATIC GREASING CONTROLLER …..704
31. EXTENDING MACHINE SERVICE LIFE …..706
31.1 HYDRAULIC BREAKER…..706
31.2 POWER RIPPER …..709
31.3 FORK GRAB …..710
31.4 GRAPPLE BUCKET…..711
31.5 SCRAP GRAPPLE …..712
31.6 CRUSHER & SMASHER …..713
31.7 HYDRAULIC PILE DRIVER …..714
31.8 HYDRAULIC EXCAVATOR WITH MULTI-PURPOSE CRANE …..715
SEAM009600 – Hydraulic Excavator PC60-7 Operation & Maintenance Manual…..719
COVER…..719
1. FOREWORD…..722
2. SAFETY INFORMATION…..723
3. INTRODUCTION…..724
4. LOCATION OF PLATES, TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR…..725
5. CONTENTS…..726
SAFETY…..729
6. GENERAL PRECAUTIONS…..730
7. PRECAUTIONS DURING OPERATION…..735
7.1 BEFORE STATING ENGINE…..735
7.2 OPERATING MACHINE…..737
7.3 TRANSPORTATION…..742
7.4 BATTERY…..743
7.5 TOWING…..744
7.6 BUCKET WITH HOOK…..745
8. PRECAUTIONS FOR MAINTENANCE…..748
8.1 BEFORE CARRYING OUT MAINTENANCE…..748
8.2 DURING MAINTENANCE…..751
9. POSITION FOR ATTACHING SAFETY LABELS…..755
OPERATION…..759
10. GENERAL VIEW…..760
10.1 GENERAL VIEW…..760
10.2 GENERAL VIEW OF MACHINE…..761
11. EXPLANATION OF COMPONENTS…..762
11.1 MACHINE MONITOR…..762
11.2 SWITCHES…..767
11.3 CONTROL LEVERS, PEDALS, KNOBS…..772
11.4 CEILING WINDOW…..778
11.5 ENGINE HOOD…..779
11.6 FRONT WINDOW…..780
11.7 DOOR LOCK…..782
11.8 ASHTRAY…..782
11.9 CAP, COVER WITH LOCK…..783
11.10 CAR RADIO…..784
11.11 FUSE…..788
11.12 FUSIBLE LINK…..789
11.13 CONTROLLERS…..789
11.14 TOOL BOX…..789
11.15 GREASE PUMP HOLDER…..789
11.16 STORAGE PLACE FOR OPERATION AND MAINTENANCE MANUAL…..789
12. OPERATION…..790
12.1 CHECK BEFORE STARTING ENGINE…..790
12.2 STARTING ENGINE…..799
12.3 OPERATIONS AND CHECKS AFTER STARTING ENGINE…..801
12.4 MOVING MACHINE OFF…..803
12.5 STEERING MACHINE…..806
12.6 STOPPING MACHINE…..808
12.7 SWINGING…..809
12.8 OPERATION OF WORK EQUIPMENT…..810
12.9 PROHIBITIONS FOR OPERATION…..811
12.10 PRECATIONS FOR OPERATION…..814
12.11 PRECAUTIONS WHEN TRAVELING UP OR DOWN HILLS…..815
12.12 HOW TO ESCAPE FROM MUD…..817
12.13 WORK POSSIBLE USING HYDRAULIC EXCAVATOR…..818
12.14 REPLACEMENT AND INVERSION OF BUCKET…..819
12.15 PARKING MACHINE…..822
12.16 CHECK AFTER FINISHING WORK…..823
12.17 STOPPING ENGINE…..823
12.18 CHECK AFTER STOPPING ENGINE…..824
12.19 LOCKING…..824
13. TRANSPORTATION…..825
13.1 LOADING AND UNLOADING WORK…..825
13.2 PRECAUTIONS FOR LOADING…..827
13.3 PRECAUTIONS FOR TRANSPORTATION…..828
13.4 METHOD OF LIFTING MACHINE (MACHINES EQUIPPED WITH LIFITING HOOKS)…..830
14. COLD WEATHER OPERATION…..831
14.1 PRECAUTIONS FOR LOW TEMPERATURE…..831
14.2 PREPARING THE CAB HEATER…..832
14.3 PRECAUTIONS AFTER COMPLETION OF WORK…..833
14.4 AFTER COLD WEATHER…..833
15. LONG-TERM STORAGE…..834
15.1 BEFORE STORAGE…..834
15.2 DURING STORAGE…..835
15.3 AFTER STORAGE…..835
16. TROUBLESHOOTING…..836
16.1 PHENOMENA THAT ARE NOT FAILURES…..836
16.2 METHOD OF TOWING THE MACHINE…..836
16.3 USING METHOD FOR LIGHT-WEIGHT TOWING…..836
16.4 PRECAUTIONS ON PARTICULAR JOBSITES…..837
16.5 IF BATTERY IS DISCHARGED…..837
16.6 OTHER TROUBLE…..842
MAINTENANCE…..846
17. GUIDES TO MAINTENANCE…..847
18. OUTLINES OF SERVICE…..849
18.1 OUTLINE OF OIL, AND COOLANT…..849
18.2 OUTLINE OF ELECTRIC SYSTEM…..852
18.3 OUTLINE OF HYDRAULIC SYSTEM…..853
19.WEAR PARTS LIST…..854
20. USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMIBENT TEMPERATURE…..855
21. STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS…..859
21.1 INSTRUCTION OF NECESSARY TOOLS…..859
21.2 TORQUE LIST…..860
22. PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS…..861
23. MAINTENANCE SCHEDULE CHART…..863
23.1 MAINTENANCE SCHEDULE CHART…..863
23.2 MAINTENANCE INTERVAL WHEN USING HYDRAULIC BREAKER…..865
24. SERVICE PROCEDURE…..866
24.1 INITIAL 250 HOURS SERVICE…..866
24.2 WHEN REQUIRED…..867
24.3 CHECK BEFORE STARTING…..888
24.4 EVERY 50 HOURS OF SERVICE…..893
24.5 EVERY 100 HOURS OF SERVICE…..894
24.6 EVERY 250 HOURS OF SERVICE…..897
24.7 EVERY 500 HOURS OF SERVICE…..902
24.8 EVERY 1000 HOURS OF SERVICE…..909
24.9 EVERY 2000 HOURS OF SERVICE…..913
24.10 EVERY 4000 HOURS OF SERVICE…..919
SPECIFICATIONS…..920
25. SPECIFICATIONS…..921
SEAM02010502 – Hydraulic Excavator PC60-5, PC60L-5, PC60U-5 Operation & Maintenance Manual…..925
COVER…..925
QUICK REFERENCE INFORMATION…..926
FOREWORD…..927
BREAKING IN YOUR NEW MACHINE…..928
CONTENTS…..929
GENERAL LOCATIONS AND SPECIFICATIONS…..930
INSTRUMENTS AND CONTROLS…..931
CHECK BEFORE STARTING…..952
OPERATING YOUR MACHINE…..957
ADJUSTMENT OF THE WORK EQUIPMENT…..971
INVERSION AND REPLACEMENT OF BUCKET…..973
COLD WEATHER OPERATION…..974
PERIODIC MAINTENANCE…..979
MAINTENANCE TABLE…..980
OIL FILLER AND LEVEL GAUGE POSITIONS…..983
EVERY 50 HOURS SERVICE…..984
EVERY 100 HOURS SERVICE…..985
INITIAL 250 HOURS SERVICE…..990
EVERY 250 HOURS SERVICE…..990
EVERY 500 HOURS SERVICE…..993
EVERY 1000 HOURS SERVICE…..997
EVERY 2000 HOURS SERVICE…..999
WHEN REQUIRED…..1003
ADJUSTMENT…..1015
TROUBLE SHOOTING GUIDE…..1016
SERVICE METER…..1019
MACHINE AND ENGINE SERIAL NUMBERS…..1020
FUEL,COOLANT AND LUBRICANTS…..1021
SAFETY AND OPERATION…..1023
CONTENTS…..1024
SAFETY HINTS…..1025
RADIO…..1034
EXCAVATOR'S WORK…..1036
HANDLING OF BATTERY…..1037
TRANSPORTATION…..1040
PRECAUTIONS FOR MAINTENANCE…..1042
STORAGE…..1047
COOLANT AND LUBRICANTS…..1048
SEAM02010602 – Hydraulic Excavator PC60-6, PC60L-6, PC90-1 Operation & Maintenance Manual…..1050
COVER…..1050
FOREWORD…..1051
BREAKING IN YOUR NEW MACHINE…..1052
CONTENTS…..1053
GENERAL LOCATIONS AND SPECIFICATIONS…..1054
INSTRUMENTS AND CONTROLS…..1056
HANDLING POWER MODE SWITCH…..1090
CHECK BEFORE STARTING…..1094
OPERATING YOUR MACHINE…..1100
CHANGING SWING RADIUS…..1122
INVERSION AND REPLACEMENT OF BUCKET…..1124
SELECTION OF TRACK SHOES…..1126
INSTALLATION OF OPTIONAL ELECTRICAL EQUIPMENT…..1128
COLD WEATHER OPERATION…..1132
PERIODIC MAINTENANCE…..1140
BLEEDING AIR FROM CIRCUIT…..1141
PERIODICAL REPLACEMENT OF SAFETY PARTS…..1145
MAINTENANCE TABLE…..1148
OIL FILLER AND LEVEL GAUGE POSITIONS…..1151
CHECK BEFORE STARTING…..1153
EVERY 50 HOURS SERVICE…..1153
EVERY 100 HOURS SERVICE…..1153
EVERY 250 HOURS SERVICE…..1159
EVERY 500 HOURS SERVICE…..1163
EVERY 1000 HOURS SERVICE…..1169
EVERY 2000 HOURS SERVICE…..1171
WHEN REQUIRED…..1175
ADJUSTMENT…..1195
TROUBLE SHOOTING GUIDE…..1197
SERVICE METER…..1204
MACHINE AND ENGINE SERIAL NUMBERS…..1206
FUEL,COOLANT AND LUBRICANTS…..1208
SAFETY AND OPERATION…..1210
CONTENTS…..1211
SAFETY HINTS…..1212
RADIO…..1228
LOCKING CAP…..1232
EXCAVATOR'S WORK…..1234
HANDLING OF BATTERY…..1235
TRANSPORTATION…..1240
PRECAUTIONS FOR MAINTENANCE…..1241
STORAGE…..1247
COOLANT AND LUBRICANTS…..1249
SEAM02010604 – Hydraulic Excavator PC60-6, PC60L-6, PC90-1 Operation & Maintenance Manual…..1250
COVER…..1250
FOREWORD…..1251
BREAKING IN YOUR NEW MACHINE…..1252
CONTENTS…..1253
GENERAL LOCATIONS AND SPECIFICATIONS…..1254
INSTRUMENTS AND CONTROLS…..1256
HANDLING POWER MODE SWITCH…..1290
CHECK BEFORE STARTING…..1294
OPERATING YOUR MACHINE…..1300
CHANGING SWING RADIUS…..1325
INVERSION AND REPLACEMENT OF BUCKET…..1327
SELECTION OF TRACK SHOES…..1329
INSTALLATION OF OPTIONAL ELECTRICAL EQUIPMENT…..1331
COLD WEATHER OPERATION…..1335
PERIODIC MAINTENANCE…..1343
BLEEDING AIR FROM CIRCUIT…..1344
PERIODICAL REPLACEMENT OF SAFETY PARTS…..1348
MAINTENANCE TABLE…..1351
OIL FILLER AND LEVEL GAUGE POSITIONS…..1354
CHECK BEFORE STARTING…..1356
EVERY 50 HOURS SERVICE…..1356
EVERY 100 HOURS SERVICE…..1356
EVERY 250 HOURS SERVICE…..1362
EVERY 500 HOURS SERVICE…..1366
EVERY 1000 HOURS SERVICE…..1372
EVERY 2000 HOURS SERVICE…..1374
WHEN REQUIRED…..1378
ADJUSTMENT…..1398
TROUBLE SHOOTING GUIDE…..1400
SERVICE METER…..1407
MACHINE AND ENGINE SERIAL NUMBERS…..1409
FUEL,COOLANT AND LUBRICANTS…..1411
MACHINES READY FOR ATTACHMENTS…..1413
INSTRUMENTS AND CONTROLS…..1414
HYDRAULIC CIRCUIT…..1416
OPERATION…..1418
STORAGE…..1422
SPECIFICATIONS…..1422
SAFETY AND OPERATION…..1424
CONTENTS…..1425
SAFETY HINTS…..1426
RADIO…..1442
LOCKING CAP…..1446
EXCAVATOR'S WORK…..1448
HANDLING OF BATTERY…..1449
TRANSPORTATION…..1454
PRECAUTIONS FOR MAINTENANCE…..1456
STORAGE…..1462
COOLANT AND LUBRICANTS…..1464
SEAM034100 – Hydraulic Excavator PC60-7 Operation & Maintenance Manual…..1466
COVER…..1466
CONTENTS…..1477
FOREWORD…..1470
FOREWORD…..1471
SAFETY INFORMATION…..1472
INTRODUCTION…..1474
DIRECTIONS OF MACHINE…..1474
PRODUCT INFORMATION…..1475
MACHINE SERIAL NUMBER PLATE AND ITS LOCATION…..1475
ENGINE SERIAL NUMBER PLATE AND ITS LOCATION…..1471
SERVICE METER LOCATION…..1476
YOUR MACHINE SERIAL NUMBERS AND DISTRIBUTOR…..1476
SAFETY…..1480
SAFETY INFORMATION…..1481
SAFETY RULES…..1489
IF ABNORMALITIES ARE FOUND…..1489
WORKING WEAR AND PERSONA OE PROTECTIVE ITEMS…..1489
FIRE EXTINGUISHER AND FIRST AID KIT…..1489
SAFETY EQUIPMENT…..1490
KEEP MACHINE CLEAN…..1490
KEEP OPERATOR'S COMPARTMENT CLEAN…..1490
LEAVING OPEARTOR'S SEAT WITH LOCK…..1490
HANDRAILS AND STEPS…..1491
MOUNTING AND DISMOUNTING…..1491
NO PERSONS ON ATTACHMENTS…..1491
BURN PREVENTION…..1492
FIRE PREVENTION AND EXPLOSION PREVENTION…..1492
ACTION IF FIRE OCCURS…..1493
WINDSHIELD WASHER FLUID…..1493
FALLING OBJECTS, FLYING OBJECTS AND INTRUDING OBJECTS PREVENTION…..1493
ATTCHMENT INSTALLATION…..1494
ATTACHMENT COMBINATIONS…..1494
CAB WINDOW GLASSES…..1494
UNAUTHORIZED MODIFICATIONS…..1494
SAFETY AT JOBSITE…..1494
WORKING ON LOOSE GROUND…..1494
DISTANCE TO HIGH VOLTAGE CABLES…..1495
ENSURE GOOD VISIBILITY…..1495
VENTILATION FOR ENCLOSED AREA…..1495
SIGNALMAN'S SIGNAL AND SIGNS…..1496
EMERGENCY EXIT FROM OPERATOR'S CAB…..1496
ASBESTOS DUST HAZARD PREVENTION…..1496
WARNING LABELS AND PICTOGRAMS…..1483
WARNING LABELS AND PICTOGRAMS – LOCATION…..1484
WARNING LABELS AND PICTOGRAMS – ACTUAL…..1485
SAFETY INFORMATION…..1489
SAFETY MACHINE OPERATION…..1497
BEFORE STARTING ENGINE…..1497
CHECKS BEFORE STARTING ENGINE…..1497
SAFETY RULES FOR STARTING ENGINE…..1497
STARTING IN COLD WEATHER…..1498
AFTER STARTING ENGINE…..1499
CHECKS AFTER STARTING ENGINE…..1499
SAFETY RULES FOR CHANGING MACHINE DIRECTIONS…..1499
SAFETY RULES FOR TRAVELING…..1500
TRAVELING ON SLOPES…..1501
OPERATIONS ON SLOPES…..1502
PROHIBITED OPERATIONS…..1502
OPERATIONS ON SNOW…..1503
PARKING MACHINE…..1504
TRANSPORTATION…..1505
LOADING AND UNLOADING…..1505
SHIPPING THE MACHINE…..1505
BATTERY…..1506
BATTERY HAZARD PREVENTION…..1506
STARTING ENGINE WITH BOOSTER CABLES…..1507
TOWING…..1508
SAFETY RULES FOR TOWING…..1508
LIFTING OBJECTS WITH BUCKET…..1509
SAFETY RULES FOR LIFTING OBJECTS…..1509
SAFETY MAINTENANCE INFORMATION…..1510
WARNING TAGS…..1510
KEEP WORK PLACE CLEAN AND TIDY…..1510
APPOINT LEADER WHEN WORKING WITH OTHERS…..1510
STOP ENGINE BEFORE CARRING OUT MAINTENANCE…..1511
TWO WORKER FOR MAINTENANCE WHEN ENGINE IN RUNNING…..1512
PROPER TOOLS…..1512
ACCUMULATOR…..1512
PERSONNEL…..1513
ATTACHMENTS…..1513
WORK UNDER THE MACHINE…..1513
NOISE…..1513
WHEN USING HAMMER…..1513
WELDING WORKS…..1514
REMOVING BATTERY TERMINALS…..1514
SAFETY FIRST WHEN USING HIGH-PRESSURE GREASE TO ADJUST TRACK TENSION…..1514
DO NOT DISASSEMBLE RECOIL SPRINGS…..1514
SAFETY RULES FOR HIGH-PRESURE OIL…..1515
SAFETY HANDLING HIGH-PRESSURE HOSES…..1515
WASTE MATERIALS…..1515
AIR CONDITIONER MAINTENANCE…..1515
COMPRESSED AIR…..1516
PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS…..1516
OPERATION…..1518
MACHINE VIEW ILLUSTRATIONS…..1519
OVERALL MACHINE VIEW…..1519
CONTROLS AND GAUGES…..1520
DETAILED CONTROLS AND GAUGES…..1521
MONITORING SYSTEM…..1521
SWITCHES…..1528
CONTROL LEVERS AND PEDALS…..1533
SUN ROOF…..1537
ENGINE HOOD…..1538
WINDSHEILD…..1539
EMERGENCY EXIT FROM OPERATOR'S CAB…..1542
DOOR LOCK…..1542
CAP WITH LOCK…..1543
ASHTRAY…..1544
RADIO…..1545
FUSE…..1549
FUSIBLELINK…..1549
CONTROLLERS…..1550
OPERATION MANUAL STORAGE…..1550
TOOL BOX…..1550
GREASE GUN HOLDER…..1550
MACHINE OPERATIONS AND CONTROLS…..1551
BEFORE STARTING ENGINE…..1551
STARTING ENGINE…..1564
AFTER STARTING ENGINE…..1567
STOPPING THE ENGINE…..1570
CHECK AFTER SHUT OFF ENGINE…..1570
MACHINE OPERATION…..1571
STEERING THE MACHINE…..1575
SWINGING…..1577
WORK EQUIPMENT CONTROLS AND OPERATIONS…..1578
PROHIBITED OPERATIONS…..1580
GENERAL OPERATION INFORMATION…..1584
TRAVELING ON SLOPES…..1585
ESCAPE FROM MUD…..1587
RECOMMENDED APPLICATIONS…..1588
BUCKET REPLACEMENT AND INVERSION…..1590
PARKING MACHINE…..1593
MACHINE INSPECTION AFTER DAILY WORK…..1594
LOCKING…..1595
RUBBER SHOES AND ROAD LINERS…..1596
TRANSPORTATION…..1601
TRANSPORTATION PROCEDURE…..1601
LOADING AND UNLOADING WITH TRAILER…..1601
LIFTING MACHINE…..1607
COLD WEATHER OPERATION…..1610
COLD WEATHER OPERATION INFORMATION…..1610
AFTER DAILY WORK COMPLETION…..1612
AFTER COLD WEATHER SEASON…..1612
LONG TERM STORAGE…..1613
BEFORE STORAGE…..1613
DURING STORAGE…..1613
AFTER STORAGE…..1613
STARTING MACHINE AFTER LONG-TERM STORAGE…..1613
TROUBLES AND ACTIONS…..1614
RUNNING OUT OF FUEL…..1614
PHENOMENA THAT ARE NOT FAILURES…..1614
TOWING THE MACHINE…..1614
LIGHTWEIGHT TOWING HOOK…..1615
SEVERE JOB CONDITION…..1615
DISCHARGED BATTERY…..1616
OTHER TROUBLE…..1620
MAINTENANCE…..1626
MAINTENANCE INFORMATION…..1627
LUBRICANTS, COOLANT AND FILTERS…..1629
OIL…..1629
ELECTRIC SYSTEM MAINTENANCE…..1630
TIGHTENING TORQUE SPECIFICATIONS…..1631
TIGHTENING TORQUE LIST…..1631
MAINTENANCE SCHEDULE…..1632
MAINTENANCE SCHEDULE CHART…..1632
MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER…..1634
MAINTENANCE PROCEDURE…..1635
INITIAL 250 HOURS MAINTENANCE (ONLY AFTER THE FIRST 250 HOURS)…..1635
CHANGE OIL IN ENGINE OIL PAN, REPLACE ENGINE OIL FILTER CARTRIDGE…..1678
FUEL FILTER CARTRIDGE – REPLACE…..1679
ENGINE VALVE CLEARANCES – INSPECT…..1686
WHEN REQUIRED…..1636
AIR CLEANER ELEMENT – CHECK/CLEAN/REPLACE…..1636
COOLING SYSTEM COOLANT – CLEAN/CHANGE…..1640
TRACK SHOE BOLTS – CHECK/TIGHTEN (MACHINE EQUIPPED WITH STEEL SHOES, ROAD LINES)…..1643
TRACK TENSION – CHECK/ADJUST (MACHINE EQUIPPED WITH STEEL SHOES, ROAD LINES)…..1644
RUBBER SHOES OR ROAD LINERS – CHECK (MACHINE EQUIPPED WITH STEEL SHOES, ROAD LINES)…..1647
TRACK TENSION – CHECK/ADJUST (MACHINE EQUIPPED WITH RUBBER SHOES)…..1649
RUBBER SHOES – REPLACE (MACHINE EQUIPPED WITH RUBBER SHOES)…..1652
ROAD LINERS – REPLACE (MACHINE EQUIPPED WITH RUBBER SHOES)…..1655
STEEL SHOES OR ROAD LINERS TO RUBBER SHOES – CHANGE…..1656
ELECTRICAL INTAKE AIR HEATER – INSPECT…..1656
BUCKET TEETH (VERTICAL PIN TYPE) – REPLACE…..1657
BUCKET TEETH (HORIZONTAL PIN TYPE) – REPLACE…..1660
BUCKET CLEARENCE – ADJUST…..1661
WINSHIELD WASHER FLUID LEVEL – CHECK/ADD …..1662
BREAKER CIRCUIT ADDITIONAL OIL FILTER ELEMENT – REPLACE…..1663
WASH WASHABLE FLOOR(IF EQUIPPED)…..1664
HYDRAULIC SYSTEM – BASED AIR…..1667
CHECK BEFORE STARTING…..1670
EVERY 50 HOURS MAINTENANCE…..1671
FUEL TANK – DRAIN…..1671
EVERY 100 HOURS MAINTENANCE…..1672
LUBRICATING…..1672
SWING MACHINERY CASE OIL – CHECK/ADD…..1674
EVERY 250 HOURS MAINTENANCE…..1675
FINAL DRIVE CASE OIL LEVEL – CHECK/ADD…..1675
BATTERY ELECTROLYTE LEVEL – CHECK…..1676
COOLING FAN BELT TENSION -INSPECT/ADJUST…..1677
EVERY 500 HOURS MAINTENANCE…..1678
CHANGE OIL IN ENGINE OIL PAN, REPLACE ENGINE OIL FILTER CARTRIDGE…..1678
FUEL FILTER CARTRIDGE – REPLACE…..1679
SWING PINION GEAR OIL LEVEL – CHECK/ADD…..1680
SWING CIRCLE – LUBRICATE…..1680
CLEAN AND INSPECT RADIATOR FINS, OIL COOLER FINS AND CONDENSER FINS…..1681
HYDRAULIC OIL FILTER ELEMENT – REPLACE…..1682
EVERY 1000 HOURS MAINTENANCE…..1683
SWING MACHINERY CASE OIL – CHANGE…..1683
FINAL DRIVE CASE OIL – CHANGE…..1684
EVERY 2000 HOURS MAINTENANCE…..1685
PTO GEAR CASE OIL LEVEL – CHECK/ADD…..1685
ALTERNATOR AND STARTING MOTOR – INSPECT…..1686
ENGINE VALVE CLEARANCES – INSPECT…..1686
EVERY 4000 HOURS MAINTENANCE…..1687
WATER PUMP -INSPECT…..1687
EVERY 5000 HOURS MAINTENANCE…..1688
CHANGE OIL IN HYDRAULIC TANK, CLEAN STRAINER…..1688
SPECIFICATIONS…..1690
SPECIFICATIONS…..1691
ATTACHMENTS AND OPTIONS…..1694
ATTACHMENTS AND OPTIONS – GENERAL INFORMATION…..1695
SAFETY FIRST…..1695
ATTACHMENT INSTALLATION…..1696
BUCKET WITH HOOK…..1697
HOOK CONDITION…..1697
PROHIBITED OPERATIONS…..1697
AIR CONDITIONER…..1698
CONTROL PANEL…..1698
AIR CONITIONER CONTROLS…..1703
AIR CONITIONER MAINTENANCE…..1703
MACHINE READY FOR ATTACHMENT…..1709
LOCATIONS…..1709
HYDRAULIC CIRCUIT…..1712
ATTACHMENT OPERATIONS…..1715
ACCUMULATOR…..1717
LONG TERM STORAGE…..1718
SPECIFICATIONS…..1719
ATTACHMENT GUIDE…..1720
ATTACHMENT COMBINATIONS…..1720
AUTOMATIC GREASING SYSTEM…..1721
CONTROLLER…..1721
CHECK BEFORE STARTING…..1724
EVERY 100 HOURS SERVICE…..1726
RECOMMENDED ATTACHMENT OPERATIONS…..1727
HYDRAULIC BREAKER…..1727
INDEX…..1731
WEAR PARTS…..1733
PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS…..1734
SAFETY CRITICAL PARTS…..1734
WEAR PARTS…..1735
WEAR PARTS LIST…..1735
FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMIBENT TEMPERATURE…..1736
PROPER SELECTION…..1736
SEAM034104T – Hydraulic Excavator PC60-7 Operation & Maintenance Manual…..1742
COVER…..1742
FOREWORD…..1743
FOREWORD…..1744
SAFETY INFORMATION…..1747
INTRODUCTION…..1749
DIRECTIONS OF MACHINE…..1749
PRODUCT INFORMATION…..1750
MACHINE SERIAL NUMBER PLATE AND ITS LOCATION…..1750
ENGINE SERIAL NUMBER PLATE AND ITS LOCATION…..1750
SERVICE METER LOCATION…..1751
YOUR MACHINE SERIAL NUMBERS AND DISTRIBUTOR…..1751
CONTENTS…..1752
SAFETY…..1756
SAFETY INFORMATION…..1757
WARNING LABELS AND PICTOGRAMS…..1759
WARNING LABELS AND PICTOGRAMS-LOCATION…..1760
WARNING LABELS AND PICTOGRAMS-ACTUAL…..1761
SAFETY INFORMATION…..1765
SAFETY RULES…..1765
IF ABNORMALITIES ARE FOUND…..1765
WORKING WEAR AND PERSONAL PROTECTIVE ITEMS…..1765
FIRE EXTINGUISHER AND FIRST AID KIT…..1765
SAFETY EQUIPMENT…..1766
KEEP MACHINE CLEAN…..1766
KEEP OPERATOR'S COMPARTMENT CLEAN…..1766
LEAVING OPERATOR'S SEAT WITH LOCK…..1766
HANDRAILS AND STEPS…..1767
MOUNTING AND DISMOUNTING…..1768
NO PERSONS ON ATTACHMENTS…..1768
BURN PREVENTION…..1768
FIRE PREVENTION AND EXPLOSION PREVENTION…..1769
ACTION IF FIRE OCCURS…..1770
WINDSHIELD WASHER FLUID…..1770
FALLING OBJECTS,FLYING OBJECTS AND INTRUDING OBJECTS PREVENTION…..1770
ATTACHMENT INSTALLATION…..1770
ATTACHMENT COMBINATIONS…..1771
CAB WIDOW GLASSES…..1771
UNAUTHORIZED MODIFICATIONS…..1771
SAFETY AT JOBSITE…..1771
WORKING ON LOOSE GROUND…..1771
DISTANCE TO HIGH VOLTAGE CABLES…..1772
ENSURE GOOD VISIBILITY…..1772
VENTILATION FOR ENCLOSED AREA…..1773
SIGNALMAN'S SIGNAL AND SIGNS…..1773
EMERGENCY EXIT FROM OPERATOR'S CAB…..1773
ASBESTOS DUST HAZARD PREVENTION…..1773
SAFETY MACHINE OPERATION…..1774
BEFORE STARTING ENGINE…..1774
CHECKS BEFORE STARTING ENGINE…..1774
SAFETY RULES FOR STARTING ENGINE…..1775
STARTING ENGINE IN COLD WEATHER…..1775
AFTER STARTING ENGINE…..1776
CHECKS AFTER STARTING ENGINE…..1776
SAFETY RULES FOR CHANGING MAHCINE DIRECTIONS…..1776
SAFETY RULES FOR TRAVELING…..1777
TRAVELING ON SLOPES…..1778
OPERATIONS ON SLOPES…..1779
PROHIBITED OPERATIONS…..1779
OPERATIONS ON SNOW…..1780
PARKING MACHINE…..1781
TRANSPORTATION…..1782
LOADING AND UNLOADING…..1782
SHIPPING THE MACHINE…..1783
BATTERY…..1784
BATTERY HAZARD PREVENTION…..1784
STARTING ENGINE WITH BOOSTER CABLES…..1785
TOWING…..1786
SAFETY RULES FOR TOWING…..1786
LIFTING OBJECTS WITH BUCKET…..1787
SAFETY RULES FOR LIFTING OBJECTS…..1787
SAFETY MAINTENANCE INFORMATION…..1788
WARING TAG…..1788
KEEP WORK PLACE CLEAN AND TIDY…..1788
APPOINT LEADER WHEN WORKING WITH OTHERS…..1788
STOP ENGINE BEFORE CARRYING OUT MAINTENANCE…..1789
TWO WORKERS FOR MAINTENANCE WHEN ENGINE IS RUNNING…..1790
PROPER TOOLS…..1790
ACCUMULATOR…..1790
PERSONNEL…..1791
ATTACHMENTS…..1791
WORK UNDER THE MACHINE…..1791
NOISE…..1791
WHEN USING HAMMER…..1792
WELDING WORKS…..1792
REMOVING BATTERY TERMINALS…..1792
SAFETY FIRST WHEN USING HIGH-PRESSURE GREASE TO ADJUST TRACK TENSION…..1792
DO NOT DISASSEMBLE RECOIL SPRINGS…..1793
SAFETY RULES FOR HIGH-PRESSURE OIL…..1793
SAFETY HANDLING HIGH-PRESSURE HOSES…..1793
WASTE MATERIALS…..1794
AIR CONDITIONER MAINTENANCE…..1794
COMPRESSED AIR…..1794
PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS…..1794
OPERATION…..1795
MACHINE VIEW ILLUSTRATIONS…..1796
OVERALL MACHINE VIEW…..1796
CONTROLS AND GAUGES…..1797
DETAILED CONTROLS AND GAUGES…..1798
MONITORING SYSTEM…..1798
SWITCHES…..1804
CONTROL LEVERS AND PEDALS…..1809
SUN ROOF…..1814
ENGINE HOOD…..1815
WINDSHIELD…..1816
EMERGENCY EXIT FROM OPERATOR'S CAB…..1819
DOOR LOCK…..1819
CAP WITH LOCK…..1820
ASHTRAY…..1821
RADIO…..1822
FUSE…..1826
FUSIBLELINK…..1826
CONTROLLERS…..1827
OPREATION MANUAL STORAGE…..1827
TOOL BOX…..1827
GREASE GUN HOLDER…..1827
MACHINE OPERATIONS AND CONTROLS…..1828
BEFORE STARTING ENGINE…..1828
STARTING ENGINE…..1841
AFTER STARTING ENGINE…..1844
STOPPING THE ENGINE…..1847
CHECK AFTER SHUT OFF ENGINE…..1847
MACHINE OPERATION…..1848
STEERING THE MACHINE…..1852
SWINGING…..1854
WORK EQUIPMENT CONTROLS AND OPERATIONS…..1855
PROHIBITED OPERATIONS…..1857
GENERAL OPERATION INFORMATION…..1861
TRAVELING ON SLOPES…..1862
ESCAPE FROM MUD…..1864
RECOMMENDED APPLICATIONS…..1865
BUCKET REPLACEMENT AND INVERSION…..1867
PARKING MACHINE…..1870
MACHINE INSPECTION AFTER DAILY WORK…..1871
LOCKING…..1872
RUBBER SHOES AND ROAD LINERS…..1873
TRANSPORTATION…..1878
TRANSPORTATION PROCEDURE…..1878
LOADING AND UNLOADING WITH TRAILER…..1879
LIFTING MACHINE…..1885
COLD WEATHER OPERATION…..1888
COLD WEATHER OPERATION INFORMATION…..1888
AFTER DAILY WORK COMPLETION…..1890
AFTER COLD WEATHER SEASON…..1891
LONG TERM STORAGE…..1892
BEFORE STORAGE…..1892
DURING STORAGE…..1892
AFTER STORAGE…..1893
STARTING MACHINE AFTER LONG-TERM STORAGE…..1893
TROUBLES AND ACTIONS…..1894
RUNNING OUT OF FUEL…..1894
PHENOMENA THAT ARE NOT FAILURES…..1894
TOWING THE MACHINE…..1895
LIGHTWEIGHT TOWING HOOK…..1895
SEVERE JOB CONDITION…..1895
DISCHARGED BATTERY…..1896
OTHER TROUBLE…..1900
MAINTENANCE…..1905
MAINTENANCE INFORMATION…..1906
LUBRICANTS, COOLANT AND FILTERS…..1909
OIL…..1909
ELECTRIC SYSTEM MAINTENANCE…..1911
WEAR PARTS…..1912
WEAR PARTS LIST…..1912
FUEL,COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE…..1913
PROPER SELECTION…..1913
TIGHTENING TORQUE SPECIFICATIONS…..1917
TIGHTENING TORQUE LIST…..1917
PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS…..1918
SAFETY CRITICAL PARTS…..1918
MAINTENANCE SCHEDULE…..1919
MAINTENANCE SCHEDULE CHART…..1919
MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER…..1921
MAINTENANCE PROCEDURE…..1922
INITIAL 250 HOURS MAINTENANCE (ONLY AFTER THE FIRST 250 HOURS)…..1922
WHEN REQUIRED…..1923
AIR CLEANER ELEMENT-CHECK/CLEAN/REPLACE…..1923
COOLING SYSTEM COOLANT-CLEAN/CHANGE…..1927
TRACK SHOE BOLTS-CHECK/TIGHTEN (MACHINE EQUIPMENT WITH STEEL SHOES,ROAD LINERS)…..1930
TRACK TENSION-CHECK/ADJUST (MACHINE EQUIPPED WITH STEEL SHOES,ROAD LINERS)…..1931
RUBBER SHOES OR ROAD LINERS-CHECK (MACHINE EQUIPPED WITH RUBBER SHOES,ROAD LINER)…..1933
RUBBER SHOES TENSION-CHECK/ADJUST (MACHINE EQUIPMENT WITH RUBBER SHOES)…..1935
ROAD LINERS-REPLACE (MACHINE EQUIPPED WITH ROAD LINER)…..1939
STEEL SHOES OR ROAD LINERS TO RUBBER SHOES-CHANGE…..1940
ELECTRICAL INTAKE AIR HEATER-INSPECT…..1940
BUCKET TEETH (VERTICAL PIN TYPE)-REPLACE…..1941
BUCKET TEETH (HORIZONTAL TYPE)-REPLACE…..1944
BUCKET CLEARANCE-ADJUST…..1945
WINDSHIELD WASHER FLUID LEVEL-CHECK/ADD…..1946
BREAKER CIRCUIT ADDITIONAL OIL FILTER ELEMENT-REPLACE…..1947
WASH WASHABLE FLOOR (IF EQUIPPED)…..1948
HYDRAULIC SYSTEM-BLEED AIR…..1951
CHECK BEFORE STARTING…..1954
EVERY 50 HOURS MAINTENANCE…..1955
FUEL TANK-DRAIN…..1955
EVERY 100 HOURS MAINTENANCE…..1956
LUBRICATING…..1956
SWING MACHINERY CASE OIL-CHECK/ADD…..1958
EVERY 250 HOURS MAINTENANCE…..1959
FINAL DRIVE CASE OIL LEVEL-CHECK/ADD…..1959
BATTERY ELECTROLYTE LEVEL-CHECK…..1960
COOLING FAN BELT TENSION-INSPECT/ADJUST…..1962
EVERY 500 HOURS MAINTENANCE…..1964
CHANGE OIL IN ENGINE OIL PAN,REPLACE ENGINE OIL FILTER CARTRIDGE…..1964
FUEL FILTER CARTRIDGE-REPLACE…..1966
SWING PINION GEAR OIL LEVEL-CHECK/ADD…..1967
SWING CIRCLE-LUBRICATE…..1967
CLEAN AND INSPECT RADIATOR FINS,OIL COOLER FINS AND CONENSER FINS…..1968
HYDRAULIC OIL FILTER ELEMENT-REPLACE…..1969
EVERY 1000 HOURS MAINTENANCE…..1970
SWING MACHINERY CASE OIL-CHANGE…..1970
FINAL DRIVE CASE OIL-CHANGE…..1971
EVERY 2000 HOURS MAINTENANCE…..1972
PTO GEAR CASE OIL LEVEL-CHECK/ADD…..1972
ALTERNATOR AND STARTING MOTOR-INSPECT…..1973
ENGINE VALVE CLEARANCES-INSPECT…..1973
EVERY 4000 HOURS MAINTENANCE…..1974
WATER PUMP-INSPECT…..1974
EVERY 5000 HOURS MAINTENANCE…..1975
CHANGE OIL IN HYDRAULIC TANK,CLEAN STRAINER…..1975
SPECIFICATIONS…..1977
SPECIFICATIONS…..1978
ATTACHMENTS AND OPTIONS…..1980
ATTACHMENTS AND OPTIONS-GENERAL INFORMATION…..1981
SAFETY FIRST…..1981
ATTACHMENT INSTALLATION…..1983
BUCKET WITH HOOK…..1984
HOOK CONDITION…..1984
PROHIBITED OPERATIONS…..1984
AIR CONDITIONER…..1985
CONTROL PANEL …..1985
AIR CONDITIONER CONTROLS…..1989
AIR CONDITIONER MAINTENANCE…..1990
MACHINE READY FOR ATTACHMENT…..1996
LOCATIONS…..1996
HYDRAULIC CIRCUIT…..1999
ATTACHMENT OPERATIONS…..2002
ACCUMULATOR…..2004
LONG TERM STORAGE…..2005
SPECIFICATIONS…..2006
CHANGING MACHINE CONTROLL PATERN (IF PATTERN CHANGE VALVE EQUIPPED)…..2007
CONTROL PATTERN CHANGE PROCEDURE…..2007
MACHINE CONTROL PATTERNS…..2008
ATTACHMENT GUIDE…..2009
ATTACHMENT COMBINATIONS…..2009
AUTOMATIC GREASING SYSTEM…..2010
CONTROLLER…..2010
RECOMMENDED ATTACHMENT OPERATIONS…..2016
HYDRAULIC BREAKER…..2016
INDEX…..2020
SEAM034106T – Hydraulic Excavator PC60-7 Operation & Maintenance Manual…..2023
COVER…..2023
FOREWORD…..2024
FOREWORD…..2025
SAFETY INFORMATION…..2028
INTRODUCTION…..2030
DIRECTIONS OF MACHINE…..2030
PRODUCT INFORMATION…..2031
MACHINE SERIAL NUMBER PLATE AND ITS LOCATION…..2031
ENGINE SERIAL NUMBER PLATE AND ITS LOCATION…..2031
SERVICE METER LOCATION…..2032
YOUR MACHINE SERIAL NUMBERS AND DISTRIBUTOR…..2032
CONTENTS…..2033
FOREWORD…..2033
SAFETY…..2033
OPERATION…..2033
MAINTENANCE…..2035
SPECIFICATIONS…..2036
ATTACHMENTS AND OPTIONS…..2036
SAFETY…..2038
SAFETY INFORMATION…..2039
WARNING LABELS AND PICTOGRAMS…..2041
WARNING LABELS AND PICTOGRAMS – LOCATION…..2042
WARNING LABELS AND PICTOGRAMS – ACTUAL…..2043
SAFETY INFORMATION…..2048
Safety Rules…..2048
If Abnormalities are Found…..2048
Working Wear and Personal Protective Items…..2048
Fire Extinguisher and First Aid Kit…..2048
Safety Equipment…..2049
Keep Machine Clean…..2049
Keep Operator's Compartment Clean…..2049
Leaving Operator's Seat with Lock…..2049
Handrails and Steps…..2050
Mounting and Dismounting…..2051
No Persons on Attachments…..2051
Burn Prevention…..2051
Fire Prevention and Explosion Prevention…..2052
Action If Fire Occurs…..2053
Windshield Washer Fluid…..2053
Falling Objects, Flying Objects a and Intruding Objects Prevention…..2053
Attachment Installation…..2053
Attachment Combinations…..2054
Cab Widow Glasses…..2054
Unauthorized Modifications…..2054
Safety at Jobsite…..2054
Working on Loose Ground…..2054
Distance to High Voltage Cables…..2055
Ensure Good Visibility…..2055
Ventilation for Enclosed Area…..2056
Signalman's Signal and Signs…..2056
Emergency Exit from Operator's Cab…..2056
Asbestos Dust Hazard Prevention…..2056
SAFETY MACHINE OPERATION…..2057
BEFORE STARTING ENGINE…..2057
Checks Before Starting Engine…..2057
Safety Rules for Starting Engine…..2058
Starting Engine in Cold Weather…..2058
AFTER STARTING ENGINE…..2059
Checks After Starting Engine…..2059
Safety Rules for Changing Machine Directions…..2059
Safety Rules for Traveling…..2060
Traveling on Slopes…..2061
Operations on Slopes…..2062
Prohibited Operations…..2062
Operations on Snow…..2063
Parking Machine…..2064
TRANSPORTATION…..2065
Loading and Unloading…..2065
Shipping the Machine…..2066
BATTERY…..2067
Battery Hazard Prevention…..2067
Starting Engine with Booster Cables…..2068
TOWING…..2069
Safety Rules for Towing…..2069
LIFTING OBJECTS WITH BUCKET…..2070
Safety Rules for Lifting Objects…..2070
SAFETY MAINTENANCE INFORMATION…..2071
Warning Tag…..2071
Keep Work Place Clean and Tidy…..2071
Appoint Leader when Working with Others…..2071
Stop Engine Before Carrying Out Maintenance…..2072
Two Workers for Maintenance when Engine is Running…..2073
Proper Tools…..2073
Accumulator…..2073
Personnel…..2074
Attachments…..2074
Work Under the Machine…..2074
Noise…..2074
When Using Hammer…..2075
Welding Works…..2075
Removing Battery Terminals…..2075
Safety First when Using High-pressure Grease to Adjust Track Tension…..2075
Do Not Disassemble Recoil Springs…..2076
Safety Rules for High-pressure Oil…..2076
Safety Handling High-pressure Hoses…..2076
Waste Materials…..2077
Air Conditioner Maintenance…..2077
Compressed Air…..2077
Periodic Replacement of Safety Critical Parts…..2077
OPERATION…..2078
MACHINE VIEW ILLUSTRATIONS…..2079
OVERALL MACHINE VIEW…..2079
CONTROLS AND GAUGES…..2080
DETAILED CONTROLS AND GAUGES…..2081
MONITORING SYSTEM…..2081
Caution Monitors…..2082
Emergency Monitors…..2084
Gauges and Meter…..2085
SWITCHES…..2087
Starting Switch…..2087
Travel Speed Selector Switch…..2088
Swing Lock Switch…..2088
Windshield Wiper Switch…..2088
Lamp Switch…..2089
Cab Heater Switch…..2089
Horn Switch…..2089
Swift Deceleration Switch…..2090
Room Lamp Switch…..2090
Swing Brake Cancel Switch…..2091
Fuel Control Dial…..2091
CONTROL LEVERS AND PEDALS…..2092
Safety Lock Lever…..2093
Work Equipment Control Lever…..2093
Blade Control Lever…..2094
Travel Levers…..2095
SUN ROOF…..2097
Opening…..2097
Closing…..2097
ENGINE HOOD…..2098
WINDSHIELD…..2099
Opening…..2099
Closing…..2101
Lower Windshield…..2102
EMERGENCY EXIT FROM OPERATOR'S CAB…..2102
DOOR LOCK…..2102
CAP WITH LOCK…..2103
Opening and Closing Caps with Lock…..2103
Opening and Closing Covers with Lock…..2103
ASHTRAY…..2104
RADIO…..2105
Control Panel…..2105
Controls Of Radio…..2107
Use Radio With Care…..2108
FUSE…..2109
Fuse Capacities and Circuit Names…..2109
FUSIBLELINK…..2109
CONTROLLERS…..2110
OPERATION MANUAL STORAGE…..2110
TOOL BOX…..2110
GREASE GUN HOLDER…..2110
MACHINE OPERATIONS AND CONTROLS…..2111
BEFORE STARTING ENGINE…..2111
Walk-Around Checks…..2111
Checks Before Starting…..2113
Adjustment…..2119
Seat Belt…..2120
Operations Before Starting Engine…..2122
STARTING ENGINE…..2124
Normal Starting…..2124
Starting Engine In Cold Weather…..2125
AFTER STARTING ENGINE…..2127
Breaking-In The New Machine…..2127
Warming-Up Operation…..2128
STOPPING THE ENGINE…..2130
CHECK AFTER SHUT OFF ENGINE…..2130
MACHINE OPERATION…..2131
Preparations For Moving The Machine Off…..2131
Moving Machine Forward…..2132
Moving Machine Backward…..2133
Stopping Machine…..2134
STEERING THE MACHINE…..2135
Steering…..2135
SWINGING…..2137
WORK EQUIPMENT CONTROLS AND OPERATIONS…..2138
PROHIBITED OPERATIONS…..2140
Operations Using Swing Force…..2140
Operations Using Travel Force…..2140
Operations Using Hydraulic Cylinder Stroke Ends…..2140
Operations Using Bucket Dropping Force…..2141
Operations Using Machine Dropping Force…..2141
Digging Hard Rocky Ground…..2141
Sudden Lever Shifting High Speed Travel…..2141
Avoid Hitting Blade…..2142
Folding in Work Equipment…..2142
Support Blade on Both Sides…..2142
Blade During Backhoe Operations…..2143
GENERAL OPERATION INFORMATION…..2144
Traveling…..2144
High Speed Travel…..2144
Permissible Water Depth…..2144
TRAVELING ON SLOPES…..2145
Traveling Downhill…..2146
If shoes slip…..2146
Engine Stopped on Slope…..2146
Cab Doors on Slope…..2146
ESCAPE FROM MUD…..2147
Stuck One Side Of Track…..2147
Stuck Both Sides Of Tracks…..2147
RECOMMENDED APPLICATIONS…..2148
Backhoe Work…..2148
Shovel Work…..2148
Ditching Work…..2148
Loading Work…..2149
BUCKET REPLACEMENT AND INVERSION…..2150
Replacement…..2150
Inversion…..2151
PARKING MACHINE…..2153
MACHINE INSPECTION AFTER DAILY WORK…..2154
LOCKING…..2155
RUBBER SHOES AND ROAD LINERS…..2156
Rubber Shoes And Road Liners Information…..2156
Warranty For Rubber Shoes And Road Liners…..2156
Using Rubber Shoes And Road Liners…..2157
Long Life Operations…..2157
TRANSPORTATION…..2161
TRANSPORTATION PROCEDURE…..2161
LOADING AND UNLOADING WITH TRAILER…..2162
Loading…..2163
Securing Machine…..2165
Unloading…..2166
LIFTING MACHINE…..2168
Standard Specification Machine…..2168
Machines With Lifting Hook…..2169
COLD WEATHER OPERATION…..2171
COLD WEATHER OPERATION INFORMATION…..2171
Fuel And Lubricants…..2171
Cooling System Coolant…..2171
Battery…..2172
Grease For Automatic Greasing System…..2172
Preparing The Cab Heater…..2173
AFTER DAILY WORK COMPLETION…..2173
AFTER COLD WEATHER SEASON…..2174
LONG TERM STORAGE…..2175
BEFORE STORAGE…..2175
DURING STORAGE…..2175
AFTER STORAGE…..2176
STARTING MACHINE AFTER LONG-TERM STORAGE…..2176
TROUBLES AND ACTIONS…..2177
RUNNING OUT OF FUEL…..2177
PHENOMENA THAT ARE NOT FAILURES…..2177
TOWING THE MACHINE…..2178
LIGHTWEIGHT TOWING HOOK…..2178
SEVERE JOB CONDITION…..2178
DISCHARGED BATTERY…..2179
Battery Removal And Installation…..2180
Battery Charges…..2180
Starting Engine With Booster Cables…..2181
OTHER TROUBLE…..2183
Electrical System…..2183
Chassis…..2184
Engine…..2185
Automatic greasing system…..2187
MAINTENANCE…..2188
MAINTENANCE INFORMATION…..2189
Service Meter Reading…..2189
Komatsu Genuine Replacement Parts…..2189
Komatsu Genuine Lubricants…..2189
Windshield Washer Fluid…..2189
Fresh and Clean Lubricants…..2189
Check Drained Oil and Used Filter…..2189
Fuel Strainer…..2189
Welding Instructions…..2189
Do Not Drop Things Inside Machine…..2190
Dusty Jobsite…..2190
Avoid Mixing Lubricants…..2190
Locking the Inspection Covers…..2190
Hydraulic System – Air Bleeding…..2190
Hydraulic Hose Installation…..2190
Checks After Inspection and Maintenance Works…..2191
OUTLINE OF SERVICE…..2192
HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC…..2192
Oil…..2192
Fuel…..2193
Coolant and Water for Dilution…..2193
Grease…..2194
CARRYING OUT KOWA (Komatsu Oil Wear Analysis)…..2194
OIL AND FUEL STORAGE…..2195
Filters…..2195
ELECTRIC SYSTEM MAINTENANCE…..2196
WEAR PARTS…..2197
WEAR PARTS LIST…..2197
RECOMMENDED FUEL, COOLANT, AND LUBRICANT…..2198
USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE…..2199
RECOMMENDED BRANDS, RECOMMENDED QUALITY FOR PRODUCTS OTHER THAN KOMATSU GENUINE OIL…..2200
TIGHTENING TORQUE SPECIFICATIONS…..2201
TIGHTENING TORQUE LIST…..2201
PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS…..2202
SAFETY CRITICAL PARTS…..2202
MAINTENANCE SCHEDULE…..2203
MAINTENANCE SCHEDULE CHART…..2203
Initial 250 Hours Maintenance (Only after the first 250 hours)…..2203
When Required…..2203
Checks Before Starting…..2204
Every 50 Hours Maintenance…..2204
Every 100 Hours Maintenance…..2204
Every 250 Hours Maintenance…..2204
Every 500 Hours Maintenance…..2204
Every 1000 Hours Maintenance…..2204
Every 2000 Hours Maintenance…..2204
Every 4000 Hours Maintenance…..2204
Every 5000 Hours Maintenance…..2204
MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER…..2205
Hydraulic Oil Filter Element – Replace…..2205
Hydraulic Oil – Change…..2205
Breaker Circuit Additional Oil Filter Element – Replace…..2205
MAINTENANCE PROCEDURE…..2206
INITIAL 250 HOURS MAINTENANCE (ONLY AFTER THE FIRST 250 HOURS)…..2206
WHEN REQUIRED…..2207
Air Cleaner Element – Check/Clean/Replace…..2207
Cooling System Coolant – Clean/Change…..2211
Track Shoe Bolts – Check/Tighten…..2214
Track Tension – Check/Adjust…..2215
Rubber Shoes or Road Liners – Check…..2217
Rubber Shoe Tension – Check/Adjust…..2219
Road Liners – Replace…..2223
Steel Shoes or Road Liners to Rubber Shoes – Change…..2224
Electrical Intake Air Heater – Inspect…..2224
Bucket Teeth (Vertical Pin Type) – Replace…..2225
Bucket Teeth (Horizontal Pin Type) – Replace…..2228
Bucket Clearance – Adjust…..2229
Windshield Washer Fluid Level – Check/Add…..2230
Breaker Circuit Additional Oil Filter Element – Replace…..2231
Wash Washable Floor…..2232
Hydraulic System – Bleed Air…..2235
CHECK BEFORE STARTING…..2238
EVERY 50 HOURS MAINTENANCE…..2239
Fuel Tank – Drain…..2239
EVERY 100 HOURS MAINTENANCE…..2240
Lubricating…..2240
Swing Machinery Case Oil – Check/Add…..2242
EVERY 250 HOURS MAINTENANCE…..2243
Final Drive Case Oil Level – Check/Add…..2243
Battery Electrolyte Level – Check…..2244
Cooling Fan Belt Tension – Inspect/Adjust…..2246
EVERY 500 HOURS MAINTENANCE…..2248
Change Oil In Engine Oil Pan, Replace Engine Oil Filter Cartridge…..2248
Fuel Filter Cartridge – Replace…..2250
Swing Pinion Gear Oil Level – Check/Add…..2251
Swing Circle – Lubricate…..2251
Clean And Inspect Radiator Fins, Oil Cooler Fins And Condenser Fins…..2252
Hydraulic Oil Filter Element – Replace…..2253
EVERY 1000 HOURS MAINTENANCE…..2254
Swing Machinery Case Oil – Change…..2254
Final Drive Case Oil – Change…..2255
EVERY 2000 HOURS MAINTENANCE…..2256
PTO Gear Case Oil Level – Check/Add…..2256
Alternator And Starting Motor – Inspect…..2257
Engine Valve Clearances – Inspect…..2257
EVERY 4000 HOURS MAINTENENCE…..2258
Water Pump – Inspect…..2258
EVERY 5000 HOURS MAINTENANCE…..2259
Change Oil In Hydraulic Tank, Clean Strainer…..2259
SPECIFICATIONS…..2262
SPECIFICATIONS…..2263
ATTACHMENTS AND OPTIONS…..2266
ATTACHMENTS AND OPTIONS – GENERAL INFORAMTION…..2267
SAFETY FIRST…..2267
ATTACHMENT INSTALLATION…..2269
BUCKET WITH HOOK…..2270
HOOK CONDITION…..2270
PROHIBITED OPERATIONS…..2270
Operations with Care…..2270
AIR CONDITIONER…..2271
CONTROL PANEL…..2271
Temperature Control Switch…..2271
Air Flow Selector Switch…..2272
Vent Selector Switch…..2273
Fresh/Recirculate Selection Switch…..2274
Air Conditioner Switch…..2275
Box…..2275
AIR CONDITIONER CONTROLS…..2275
Cooling…..2275
Cooling with Care…..2275
AIR CONDITIONER MAINTENANCE…..2276
When Required…..2277
Every 250 Hours Maintenance…..2279
Every 500 Hours Maintenance…..2281
MACHINE READY FOR ATTACHMENT…..2282
LOCATIONS…..2282
Stop Valve…..2283
Selector Valve…..2283
Attachment Control Pedal…..2283
Lock Pin…..2283
Breaker Circuit Additional Oil Filter…..2284
Accumulator (For Attachment Circuit)…..2284
HYDRAULIC CIRCUIT…..2285
Hydraulic Circuit Connection…..2285
ATTACHMENT OPERATIONS…..2288
When Using Breaker…..2288
When Using General Attachment Such As Crusher…..2289
ACCUMULATOR…..2290
Hydraulic System – Pressure Release…..2291
LONG TERM STORAGE…..2291
SPECIFICATIONS…..2292
CHANGING MACHINE CONTROLL PATERN (IF PATTERN CHANGE VALVE EQUIPPED)…..2293
CONTROL PATTERN CHANGE PROCEDURE…..2293
MACHINE CONTROL PATTERNS…..2294
ATTACHMENT GUIDE…..2295
ATTACHMENT COMBINATIONS…..2295
SELECTION OF TRACK SHOES…..2296
METHOD OF SELECTING SHOES…..2296
AUTOMATIC GREASING SYSTEM…..2297
CONTROLLER…..2297
Setting Greasing Interval…..2297
Method of Setting (Changing) Greasing Interval…..2298
CHECK BEFORE STARTING…..2300
Every 100 Hours Service…..2302
RECOMMENDED ATTACHMENT OPERATIONS…..2303
HYDRAULIC BREAKER…..2303
Main Applications…..2303
Prohibited Works…..2305
INDEX…..2308
A…..2308
B…..2308
C…..2308
D…..2308
E…..2308
F…..2308
G…..2308
H…..2308
I…..2308
L…..2308
M…..2309
O…..2309
P…..2309
R…..2309
S…..2309
T…..2309
W…..2309
Y…..2309
SEBM004101 – Hydraulic Excavator PC60-7 Shop Manual…..2312
COVER…..2312
CONTENTS…..2313
SAFETY…..2317
FOREWORD…..2319
HOW TO READ THE SHOP MANUAL…..2320
HOISTING INSTRUCTIONS…..2321
COATING MATERIALS…..2322
STANDARD TIGHTENING TORQUE…..2323
ELECTRIC WIRE CODE…..2325
COVERSION TABLE…..2326
01 GENERAL…..2332
GENERAL ASSEMBLY DRAWING…..2333
SPECIFICATIONS…..2334
WEIGHT TABLE…..2336
LIST OF LUBRICANT AND WATER…..2338
10 STRUCTURE AND FUNCTION…..2340
RADIATOR AND OIL COOLER…..2341
PTO (COUPLING)…..2342
ENGINE CONTROL…..2343
POWER TRAIN…..2344
SWING CIRCLE…..2345
SWING MACHINERY…..2346
TRACK FRAME…..2347
IDLER…..2348
IDER CUSHION…..2348
CARRIER ROLLER…..2349
TRACK ROLLER…..2349
TRACK SHOE…..2350
HYDRAULIC PIPING DRAWING…..2352
HYDRAULIC CIRCUIT DIAGRAM…..2353
HYDRAULIC TANK…..2355
HYDRAULIC PUMP…..2356
BLADE PUMP…..2382
CONTROL VALVE…..2383
CLSS…..2395
BLADE CONTROL VAVE…..2425
SWING MOTOR…..2426
CENTER SWIVEL JOINT…..2430
TRAVEL MOTOR…..2432
VALVE CONTROL…..2438
WORK EQUIPMENT – SWING PPC VALVE…..2439
TRAVEL PPC VALVE…..2443
SERVICE PPC VALVE…..2447
PPC SHUTTLE VALVE…..2453
SOLENOID VALVE…..2454
HYDRAULIC CYLINDER…..2456
WORK EQUIPMENT…..2458
WORK EQUIPMENT PIN AUTO-GREASING SYSTEM…..2459
ELECTRICAL WIRING DIAGRAM…..2472
ELECTRICAL CIRCUIT DIAGRAM…..2474
ELECTRICAL CONTROL SYSTEM…..2476
MACHINE MONITOR SYSTEM…..2484
20 TESTING AND ADJUSTING…..2489
TABLE OF JUDGEMENT STANDARD VALVE…..2490
FOR ENGINE…..2490
FOR CHASSIS…..2492
FOR ELECTRICAL PARTS…..2500
TESTING AND ADJUSTING…..2501
LIST OF EQUlPMENTS FOR INSPECTION ADJUSTMENT AND TROUBLE-SHOOTING …..2502
MEASURING ENGINE SPEED…..2503
MEASURING EXHAUST GAS COLOR…..2504
ADJUSTING VALVE CLEARANCE…..2505
MEASURING COMPRESSION PRESSURE…..2506
MEASURING BLOWBY PRESSURE…..2507
TESTING AND ADJUSTING FUEL INJECTION TIMING…..2508
MEASURING ENGINE OIL PRESSURE…..2512
TESTING AND ADJUSTING ALTERNATOR FAN BELT TENSION…..2513
ADJUSTING ENGINE OIL SOLENOID…..2514
ADJUSTING FUEL CONTROL LEVER…..2515
TESTING AND ADJUSTING HYDRAULIC PRESSURE IN WORK EQUIPMENT, SWING AND TRAVEL CIRCUITS …..2516
ADJUSTING PC VALVE…..2517
MEASURING LS DIFFERENTIAL PRESSURE AND ADJUSTING LS VALVE…..2518
TESTING AND ADJUSTING HYDRAULIC PRESSURE IN THE BLADE CIRCUIT…..2520
TESTING AND ADJUSTING HYDRAULIC PRESSURE IN THE CONTROL PUMP CIRCUIT…..2521
TESTING OUTLET PRESSURE OF SOLENOID VALVE…..2523
MEASURING PPC VALVE OUTPUT PRESSURE AND TESTING PPC SHUTTLE VALVE …..2524
ADJUSTING WORK EQUIPMENT AND SWING PPC VALVE…..2525
TESTING TRAVEL DEVIATION…..2526
MEASURING OIL LEAKAGE…..2527
RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT…..2529
CHECKING OF CLEARANCE OF SWING CIRCLE BEARING…..2530
CHECKING AND ADJUSTING TRACK SHOE TENSION…..2531
BLEEDING AIR…..2532
AUTOMATIC GREASING CONTROLLER…..2534
TROUBLESHOOTING…..2545
POINTS TO REMEMBER WHEN TROUBLESHOOTING…..2546
SEQUENCE OF EVENTS IN TROUBLESHOOTING…..2547
POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE…..2548
CHECKS BEFORE TROUBLESHOOTING…..2556
CONNECTOR TYPES AND MOUNTING LOCATIONS…..2557
CONNECTION TABLE FOR CONNECTOR PIN NUMBERS…..2560
METHOD OF USING JUDGEMENT TABLE…..2570
METHOD OF USING TROUBLESHOOTING CHARTS…..2571
FAILURE MODES AND JUDGEMENT TABLE…..2573
TROUBLESHOOTING OF ENGINE THROTTLE CONTROLLER SYSTEM (E MODE) AND TROUBLESHOOTING OF ENGINE (S MODE)…..2574
E-1 WORK EQUIPMENT DOES NOT MOVE EVEN WHEN THE PPC HYDRAULIC PRESSURE LOCK LEVER IS SET TO THE DRIVE SIDE…..2575
E-2 WORK EQUIPMENT DOES NOT MOVE EVEN IF THE PPC HYDRAULIC PRESSURE LOCK LEVER IS AT THE LOCK POSITION…..2576
E-3 DOES NOT SWING…..2577
E-4 SWING BRAKE DOES NOT WORK…..2580
E-5 TRAVEL SPEED CANNOT BE SWITCHED…..2582
A) CANNOT BE SWITCHED TO HI…..2582
B) CANNOT BE SWITHED TO LO…..2582
E-6 POWER MODE CANNOT BE CHANGED…..2583
A) WORK EQUIPMENT SPEED IS SLOW WHEN ENGINE SPPED IS MIDDLE AND HIGHER…..2583
B) EXCESSIVE ENGINE SPEED DROP AT ENGINE SPEED MIDDLE AND LOWER…..2583
E-7 ENGINE DOES NOT START…..2584
A) STARTER DOES NOT WORK…..2584
B) ENGINE STOP SOLENOID DOES NOT WORK…..2586
E-8 ENGINE DOES NOT STOP…..2587
E-9 WIPER DOES NOT WORK…..2588
TROUBLESHOOTING OF ENGINE (S MODE)…..2589
METHOD OF USING TROUBLESHOOTING CHART…..2590
S-1 STARTING PERFORMANCE IS POOR (STARTING ALWAYS TAKES TIME)…..2594
S-2 ENGINE DOES NOT START…..2595
1) ENGINE DOES NOT START…..2595
2) ENGINE RUNS BUT EXHUAST GAS DOES NOT COME OUT (FUEL IS NOT BEING INJECTED)…..2596
3) EXHAUST GAS COMES OUT BUT ENGINE DOES NOT START (FUEL IS BEING INJECTED)…..2597
S-3 ENGINE DOES NOT PICK UP SMOOTHLY (FOLLOW-UP IS POOR)…..2598
S-4 ENGINE STOPS DURING OPERATION…..2599
S-5 ENGINE DOES NOT ROTATE SMOOTHLY (HUNTING)…..2600
S-6 ENGINE LACKS OUTPUT (NO POWER)…..2601
S-7 EXHAUST GAS IS BLACK (INCOMPLETE COMBUSTION)…..2602
S-8 OIL CONSUMPTION IS EXCESSIVE (OR EXHAUST GAS IS BLUE)…..2603
S-9 OIL BECOMES CONTAMINATED QUICKLY…..2604
S-10 FUEL CONSUMPTION IS EXCESSIVE…..2605
S-11 OIL IS IN COOLING WATER, OR WATER SPURTS BACK, OR WATER LEVEL GOES DOWN…..2606
S-12 OIL PRESSURE WARNING LAMP LIGHTS UP (DROP IN OIL PRESSURE)…..2607
S-13 OIL LEVEL RISES …..2608
S-14 WATER TEMPERATURE BECOMES TOO HIGH (OVERHEATING)…..2609
S-15 ABNORMAL NOISE IS MADE…..2610
S-16 VIBRATION IS EXCESSIVE…..2611
TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (H MODE)…..2612
TROUBLESHOOTING FLOW CHARTS FOR EACH FAILURE MODE…..2612
ALL WORK EQUIPMENT, TRAVEL, SWING…..2613
H-1 SPEEDS OF ALL WORK EQUIPMENTS, SWING AND TRAVEL ARE SLOW OR LACK POWER…..2613
H-2 EXCESSIVE DROP IN ENGINE SPEED, OR ENGINE STALLS…..2615
H-3 ALL WORK EQUIPMENT, TRAVEL AND SWING DO NOT MOVE…..2616
H-4 ABNORMAL SOUND IS GENERATED (AROUD THE PUMP)…..2616
H-5 FINE CONTROL ABILITY IS POOR, OR RESPONSE…..2617
WORK EQUIPMENT…..2617
H-6 BOOM MOVEMENT IS SLOW OR LACKS OF POWER…..2617
H-7 ARM MOVEMENT IS SLOW OR LACKS OF POWER…..2619
H-8 BUCKET MOVEMENT IS SLOW OR LACKS OF POWER…..2621
H-9 WORK EQUIPMENT (BOOM, ARM, BUCKET) DOES NOT MOVE (BUT TRAVEL AND SWING ARE NORMAL)…..2622
H-10 EXCESSIVE HYDRAULIC DRIFT (BOOM, ARM, BUCKET)…..2622
H-11 EXCESSIVE TIME LAG (ENGINE AT LOW SPEED)…..2623
COMPOUND OPERATIONS…..2623
H-12 IN COMPOUND OPERATIONS, WORK EQUIPMENTS, MOVEMENT OF ONE WITH LARGER LOAD IS SLOW …..2623
H-13 iN SWING + BOOM RAISE OPERATION, BOOM RAISE MOVEMENT IS SLOW…..2624
H-14 IN TRAVEL + SWING OPERATION, TRAVEL SPEED DROP IS EXCESSIVE…..2624
H-15 IN TRAVEL + WORK EQUIPMENT (BOOM RAISE) OPERATION, TRAVEL SPEED DROP IS EXCESSIVE…..2624
TRAVEL SYSTEM…..2625
H-16 VEHICLE CURVES UNINTENTIONALLY DURING TRAVEL…..2625
H-17 TRAVEL DEVIATION IS LARGER AT STARTING…..2627
H-18 TRAVEL SPEED IS LOW, OR LACKS OF POWER…..2627
H-19 STEERING OPERATION IS DIFFICULT…..2628
H-20 TRAVEL SPEED CANNOT BE SWITCHED…..2629
H-21 TRAVEL DOES NOT WORK (ONE SIDE ONLY)…..2629
SWING SYSTEM…..2630
H-22 DOES NOT SWING (BOTH SIDES, ONE SIDE ONLY)…..2630
H-23 SWING ACCELERATION IS POOR…..2631
H-24 EXCESSIVE OVERRUN WHEN STOPPING SWING (BOTH SIDES, ONE SIDE ONLY)…..2633
H-25 EXCESSIVE SHOCK WHEN STOPPING SWING (ONE DIRECTION ONLY) …..2634
H-26 EXCESSIVE ABNORMAL NOISE WHEN STOPPING SWING (ONE DIRECTION ONLY)…..2634
H-27 EXCESSIVE HYDRAULIC DRIFT OF SWING (WHEN THE SWING BRAKE IS RELEASED OR ACTIVATED)…..2635
H-28 SWING SPEED IS FASTER THAN THE SPECIFIED SPEED…..2636
H-29 BLADE SPEED IS SLOW, OR LACK OF POWER…..2636
H-30 BLADE DOES NOT MOVE…..2637
H-31 EXCESSIVE HYDRAULIC DRIFT OF THE BLADE…..2637
TROUBLESHOOTING OF MACHINE MONITOR SYSTEM (M MODE)…..2638
ELECTRIC CIRCUIT DIAGRAM OF MACHINE MONITOR SYSTEM…..2639
M-1 NO INDICATOR LAMP LIGHTS UP WHEN THE STARTING SWITCH IS TURNED ON (3-SECOND SELF-CHECK IS NOT CARRIED OUT EITHER)…..2640
M-2 ALL THE LAMPS REMAIN LIGHTING-UP AFTER 3-SECOND SELF-CHECK COMPLETED AFTER THE STARTING SWITCH IS TURNED ON…..2640
M-3 SOME LAMPS DO NOT LIGHT UP DURING SELF-CHECK (ALL LAMPS LIGHTS UP FOR 3 SECONDS) UPON STARTING SWITCH ON…..2641
A) ALL GAUGE LAMPS DO NOT LIGHT UP (CAUTION LAMP DOES LIGHT UP)…..2641
B) SWING LOCK, AUTO-GREASING FAILURE OR PREHEAT DOES NOT LIGHT UP (ALL GAUGE LAMPS LIGHT UP)…..2641
C) CHARGE CAUTION LAMP DOES NOT LIGHT UP…..2641
D) ENGINE OIL PRESSURE CAUTION LAMP DOES NOT LIGHT UP…..2641
M-4 WHEN TURNING ON THE POWER (BEFORE ENGINE STARTING), ENGINE OIL PRESSURE CAUTION LAMP DOES NOT LIGHT UP…..2642
M-5 WHEN TURNING ON THE POWER (BEFORE ENGINE STARTING), ENGINE OIL PRESSURE CAUTION LAMP DOES NOT LIGHT UP…..2642
M-6 AT PREHEATING, PREHEATING INDICATOR LAMP DOES NOT LIGHT UP…..2643
M-7 THOUGH THE SWITCH IS OPERATED, SWING LOCK DOES NOT LIGHT UP…..2643
M-8 WHILE ENGINE RUNNING, ENGINE OIL PRESSURE CAUTION LAMP LIGHTS UP (ENGINE OIL PRESSURE IS NORMAL)…..2644
M-9 CHARGE CAUTION LAMP LIGHTS UP WHILE ENGINE RUNNING…..2644
M-10 ABNORMALITY IN COOLANT TEMPERATURE GAUGE…..2645
A) INDICATOR REMAINS IN THE LOWEST LEVEL (WHITE RANGE) AND DOES NOT RISE AFTER ENGINE STARTED…..2645
B) LEVEL RISES IMMEDIATELY AFETR STARTING THE ENGINE. INDICATOR GOES IN THE RED RANGE LAMP GOES OFF…..2645
C) COOLANT TEMPERATUR GAUGE LAMP GOES OFF…..2645
M-11 ABNORMALITY IN FUEL GAUGE…..2646
A) ALL SEGMENTS OF THE FUEL GAUGE GO OFF…..2646
B) FUEL GAUGE INDICATES FULL THOUGH THE LEVEL IS LOW…..2646
C) FUEL GAUGE DOES NOT INDICATE FULL THOUGH THE TANK IS FULL…..2646
M-12 MALFUNCTION OF BUZZER…..2648
A) BUZZER DOES NOT SOUND…..2648
B) BUZZER DOES NOT STOP SOUNDING…..2648
M-13 SERVICE METER DOES NOT WORK WHILE THE ENGINE IS RUNNING…..2649
A) WHEN THE CHARGE CAUTION LAMP DOES NOT LIGHT UP…..2649
B) WHEN THE CHARGE CAUTION LAMP LIGHTS UP, REFER TO THE ITEM M-9…..2649
M-14 AUTO-GREASING ABNORMALITY ALARM LIGHTS UP (AUTO-GREASING CONTROLLER IS NORMAL)…..2649
M-15 ILLUINATION DOES NOT LIGHT UP…..2650
A) ILLUMINATION AT GAUGE SECTION DOES NOT LIGHT UP…..2650
B) ILLUMINATION AT THE SERVICE METER SECTION DOES NOT LIGHT UP (SERVE METER ITSELF DO WORK NORMALLY) (SERVICE METER ITSELF DO…..2650
M-16 HEATER DOES NOT WORK…..2651
A) BOTH HI AND LO DO NOT WORK…..2651
B) LO ONLY DOES NOT WORK…..2651
C) HI ONLY DOES NOT WORK…..2651
TROUBLESHOOTING OF AUTO-GREASING SYSTEM (D MODE)…..2652
D-1 [ALTERNATE BLINKING OF [E] AND [A]] ABNORMALITY IN PUMP PRESSURIZATION IS DISPLAYED…..2653
D-2 [ALTERNATE BLINKING OF [E] AND [B]] ABNORMALITY IN PUMP DEPRESSURIZATION IS DISPLAYED…..2655
[ALTERNATE BLINKING OF [E] AND [A]] ABNORMALITY IN PUMP PRESSURE DETECTION IS DISPLAYED…..2655
D-3 [ALTERNATE BLINKING OF [E] AND [D]] ABNORMALITY IN CONTROLLER SETTING IS DISPLAYED…..2655
D-4 ABNORMAL SOUND IS GENERATED FROM THE WORK EQUIPMENT PIN, THOUGH NO ABNORMALITY IS DISPLAYED ON THE MONITOR PANEL AND GREA…..2656
D-5 ALL LEDS ON THE GREASING CONTROLLER GOES OFF…..2658
D-6 PUMP DOES NOT RUN EVEN THOUGH THE START-UP SWITCH IS PRESSED…..2658
30 DISASSEMBLY AND ASSEMBLY…..2660
METHOD OF USING MANUAL…..2662
PRECAUTIONS WHEN CARRYING OUT OPERATION…..2664
SPECIAL TOOL LIST…..2666
SPECIAL TOOL …..2668
STARTING MOTOR…..2671
REMOVAL AND INSTALLATION…..2671
ALTERNATOR…..2672
REMOVAL AND INSTALLATION…..2672
FUEL INJECTION PUMP…..2673
REMOVAL…..2673
INSTALLATION…..2674
WATER PUMP…..2675
REMOVAL AND INSTALLATION…..2675
NOZZLER HOLDER…..2676
REMOVAL AND INSTALLATION…..2676
THERMOSTAT…..2677
REMOVAL AND INSTALLATION…..2677
ENGINE FRONT SEAL…..2678
REMOVAL AND INSTALLATION…..2678
ENGINE REAR SEAL…..2679
REMOVAL AND INSTALLATION…..2679
CYLINDER HEAD…..2680
REMOVAL…..2680
INSTALLATION…..2682
ENGINE – MAIN PUMP…..2684
REMOVAL…..2684
INSTALLATION…..2687
PTO ASSEMBLY…..2688
REMOVAL AND INSTALLATION…..2688
DISASSEMBLY AND ASSEMBLY…..2689
HYDRAULIC OIL COOLER…..2690
REMOVAL AND INSTALLATION…..2690
RADIATOR – HYDRAULIC OIL COOLER…..2691
REMOVAL…..2691
INSTALLATION…..2692
FUEL TANK…..2693
REMOVAL AND INSTALLATION…..2693
CENTER SWIVEL JOINT…..2694
REMOVAL…..2694
INSTALLATION…..2695
DISASSEMBLY AND ASSEMBLY…..2696
SPROCKET…..2697
REMOVAL AND INSTALLATION…..2697
TRAVEL MOTOR…..2698
REMOVAL AND INSTALLATION…..2698
SWING MACHINERY – SWING MOTOR…..2699
REMOVAL AND INSTALLATION…..2699
SWING MACHINERY…..2700
DISASSEMBLY…..2700
ASSEMBLY…..2703
REVOLVING FRAME…..2706
REMOVAL…..2706
INSTALLATION…..2707
SWING CIRCLE…..2708
REMOVAL AND INSTALLATION…..2708
IDER – RECOIL SPRING…..2709
REMOVAL AND INSTALLATION…..2709
RECOIL SPRING…..2710
DISASSEMBLY…..2710
ASSEMBLY…..2711
IDER…..2712
DISASSEMBLY…..2712
ASSEMBLY…..2713
TRACK ROLLER…..2715
REMOVAL AND INSTALLATION…..2715
DISASSEMBLY…..2716
ASSEMBLY…..2717
CARRIER ROLLER…..2718
REMOVAL AND INSTALLATION…..2718
TRACK SHOE…..2719
REMOVAL AND INSTALLATION…..2719
HYDRAULIC TANK…..2720
REMOVAL…..2720
INSTALLATION…..2721
CONTROL PUMP…..2722
REMOVAL AND INSTALLATION…..2722
MAIN PUMP…..2723
REMOVAL…..2723
INSTALLATION…..2724
BLADE PUMP…..2725
REMOVAL AND INSTALLATION…..2725
MAIN PUMP INPUT SHAFT OIL SEAL…..2726
REMOVAL AND INSTALLATION…..2726
CONTROL VALVE…..2727
REMOVAL…..2727
INSTALLATION…..2728
DISASSEMBLY…..2729
ASSEMBLY…..2733
MAIN RELIEF VALVE…..2737
DISASSEMBLY AND ASSEMBLY…..2737
BLADE CONTROL VALVE…..2738
REMOVAL AND INSTALLATION…..2738
DISASSEMBLY AND ASSEMBLY…..2739
BLADE CONTROL VALVE MAIN RELIEF VALVE…..2741
DISASSEMBLY AND ASSEMBLY…..2741
SOLENOID VALVE…..2742
REMOVAL AND INSTALLATION…..2742
WORK EQUIPMENT LEFT SIDE PPC VALVE (FOR ARM, SWING CONTROL)…..2743
REMOVAL AND INSTALLATION…..2743
WORK EQUIPMENT RIGHT SIDE PPC VALVE (FOR BOOM,BUCKET CONTROL)…..2744
REMOVAL AND INSTALLATION…..2744
WORK EQUIPMENT PPC VALVE (FOR BOOM, ARM, BUCKET, SWING CONTROL PPC VALVE)…..2745
DISASSEMBLY…..2745
ASSEMBLY…..2746
TRAVEL PPC VALVE…..2747
REMOVAL INSTALLATION…..2747
DISASSEMBLY AND ASSEMBLY…..2748
BOOM CYLINDER…..2750
REMOVAL…..2750
INSTALLATION…..2751
ARM CYLINDER…..2752
REMOVAL…..2752
INSTALLATION…..2753
BUCKET CYLINDER…..2754
REMOVAL…..2754
INSTALLATION…..2755
BLADE CYLINDER…..2756
REMOVAL…..2756
INSTALLATION…..2757
HYDRAULIC CYLINDER…..2758
DISASSEMBLY…..2758
ASSEMBLY…..2760
WORK EQUIPMENT…..2763
REMOVAL…..2763
INSTALLATION…..2764
BUCKET …..2765
REMOVAL…..2765
INSTALLATION…..2766
ARM…..2767
REMOVAL…..2767
INSTALLATION…..2768
BUCKET – ARM…..2769
REMOVAL…..2769
INSTALLATION…..2770
BOOM…..2771
REMOVAL…..2771
INSTALLATION…..2772
BLADE…..2773
REMOVAL AND INSTALLATION…..2773
OPERATOR'S CAB…..2774
REMOVAL AND INSTALLATION…..2774
COUNTERWEIGHT…..2775
REMOVAL AND INSTALLATION…..2775
MONITOR…..2776
REMOVAL AND INSTALLATION…..2776
SWING CONTROLLER…..2776
REMOVAL AND INSTALLATION…..2776
AUTO-GREASING CONTROLLER…..2777
REMOVAL AND INSTALLATION…..2777
AUTO-GREASING PUMP…..2777
REMOVAL AND INSTALLATION…..2777
40 MAINTENANCE STANDARD…..2778
SWING MACHINERY…..2779
SWING CIRCLE…..2781
TRACK FRAME…..2782
IDER…..2783
TRACK ROLLER…..2784
CARRIER ROLLER…..2785
SPROCKET…..2786
TRACK SHOE…..2787
HYDRAULIC PUMP…..2790
BLADE PUMP…..2792
CONTROL VALVE…..2793
BLADE CONTROL VALVE…..2800
SWING MOTOR…..2801
CENTER SWIVEL JOINT…..2802
WORK EQUIPMENT – SWING PPC VALVE…..2804
TRAVEL PPC VALVE…..2805
SERVICE PPC VALVE…..2806
WORK EQUIPMENT…..2808
HYDRAULIC CYLINDER…..2812
SEBM010911 – Hydraulic Excavator PC60-7, PC60-7B Shop Manual…..2814
COVER…..2814
CONTENTS…..2815
SAFETY…..2820
00 FOREWORD…..2822
HOW TO READ THE SHOP MANUAL…..2822
HOISTING INSTRUCTIONS…..2823
COATING MATERIALS…..2826
STANDARD TIGHTENING TORQUE…..2828
ELECTRIC WIRE CODE…..2831
CONVERSION TABLE…..2832
UNITS…..2838
01 GENERAL…..2840
DIMENSION…..2841
SPECIFICATIONS…..2842
WEIGHT TABLE…..2846
TABLE OF OIL AND COOLANT CAPACITIES…..2848
10 STRUCTURE AND FUNCTION…..2850
RADIATOR, OIL COOLER…..2851
PTO (COUPLING)…..2854
ENGINE CONTROL…..2855
POWER TRAIN DIAGRAM…..2856
SWING CIRCLE…..2857
SWING MACHINERY…..2858
TRACK FRAME…..2860
IDLER CUSHION…..2861
HYDRAULIC PIPING DRAWING…..2862
HYDRAULIC CIRCUIT DIAGRAM…..2863
HYDRAULIC TANK…..2864
HYDRAULIC PUMP…..2865
CONTROL VALVE…..2890
SELF-PRESSURE REDUCING VALVE…..2903
CLSS…..2907
SWING MOTOR…..2937
CENTER SWIVEL JOINT…..2949
TRAVEL MOTOR…..2953
VALVE CONTROL…..2959
WORK EQUIPMENT, SWING PPC VALVE…..2960
TRAVEL PPC VALVE…..2964
SERVICE PPC VALVE…..2968
SOLENOID VALVE…..2971
HYDRAULIC CYLINDER…..2973
WORK EQUIPMENT…..2850
WORK EQIPMENT PIN AUTOMATIC GREASING SYSTEM…..2975
ELECTRICAL ALLOCATION DIAGRAM (1/2)…..2988
ELECTRICAL ALLOCATION DIAGRAM (2/2)…..2989
ELECTRICAL CIRCUIT DIAGRAM…..2990
ELECTRICAL CONTROL SYSTEM…..2992
MACHINE MONITOR SYSTEM…..3000
20 TESTING AND ADJUSTING…..3005
STANDARD VALVE TABLE FOR ENGINE RELATED PARTS…..3006
STANDARD VALUE TABLE FOR CHASIS RELATED PARTS…..3008
STANDARD VALUE TABLE FOR ELECTRICAL RELATED PARTS…..3017
TOOLS FOR TESTING, ADJUSTING AND TROUBLESHOOTING…..3018
MEASURING ENGINE SPEED…..3019
MEASURING EXHAUST GAS COLOR…..3021
ADJUSTING VALVE CLEARANCE…..3022
MEASURING COMPRESSION PRESSURE…..3024
MEASURING BLOWBY PRESSURE…..3026
TESTING AND ADJUSTING FUEL INJECTION TIMING…..3028
MEASURING ENGINE OIL PRESSURE…..3033
TESTING AND ADJUSTING ALTERNATOR BELT TENSION…..3035
ADJUSTING ENGINE STOP SOLENOID LINKAGE…..3036
ADJUSTING FUEL CONTROL LINKAGE…..3038
TESTING AND ADJUSTING OF HYDRUALIC PRESSURE IN WORK EQUIPMENT, SWING AND TRAVEL CIRCUITS…..3040
ADJUSTING PC VALVE…..3041
MEASURING LS DIFFERENTIAL PRESSURE AND ADJUSTING LS VALVE…..3042
TESTING HYDRAULIC PRESSURE IN THE CONTROL CIRCUIT…..3043
TESTING OUTLET PRESSURE OF SOLENOID VALVE…..3044
MEASURING PPC VALVE OUTPUT PRESSURE…..3045
ADJUSTING WORK EQUIPMENT AND SWING PPC VALVE…..3045
TESTING TRAVEL DEVATION…..3046
MEASURING OIL LEAKAGE…..3047
RELEASING REMAINING PRESURE IN HYDRAULIC CIRCUIT …..3049
CHECKING OF CLEARANCE OF SWING CIRCLE BEARING…..3050
CHECKING AND ADJUSTING OF TRACK SHOE TENSION…..3051
TESTING WEAR OF SPROKET…..3052
BLEEDING AIR…..3053
AUTOMATIC GREASING CONTROLLER…..3055
TROUBLESHOOTING…..3066
POINTS TO REMEMBER WHEN TROUBLESHOOTING…..3067
SEQUENCE OF EVENTS IN TROUBLESHOOTING…..3068
POINTS TO REMEMBER WHEN CARRING OUT MAINTENANCE…..3069
CHECKS BEFORE TROUBLESHOOTING…..3077
CONNECTOR TYPES AND MOUNTING LOCATIONS…..3078
CONNECTION TABLE FOR CONNECTOR PIN NUMBERS…..3087
METHOD OF USING JUDGEMENT TABLE…..3097
METHOD OF USING TROUBLESHOOTING CHARTS…..3098
FAILURE MODES AND JUDGEMENT TABLE…..3100
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE)…..3102
E-1 WORK EQUIPMENT DOES NOT MOVE EVEN WHEN THE PPC HYDRAULIC PRESSURE LOCK LEVER IS SET TO THE DRIVE SIDE…..3103
E-2 WORK EQUIPMENT DOES NOT MOVE EVEN IF THE PPC HYDRAULIC PRESSURE LOCK LEVER IS AT THE LOCK POSITION…..3104
E-3 DOES NOT SWING…..3105
E-4 SWING BRAKE DOES NOT WORK…..3108
E-5 TRAVEL SPEED CANNOT BE SWITCHED…..3110
A) CANNOT BE SWITCHED TO HI…..3110
B) CANNOT BE SWITCHED TO LO…..3110
E-6 POWER MODE CANNOT BE CHANGED…..3111
A) WORK EQUIPMENT SPEED IS SLOW WHEN ENGINE SPEED IS MIDDLE AND HIGHER…..3111
B) EXCESSIVE ENGINE SPEED DROP AT ENGINE SPEED MIDDLE AND LOWER…..3111
E-7 ENGINE DOES NOT START…..3112
A) STARTER DOES NOT WORK…..3112
B) ENGINE STOP SOLENOID DOES NOT WORK…..3114
E-8 ENGINE DOES NOT STOP…..3115
E-9 WIPER DOES NOT WORK…..3116
TROUBLESHOOTING OF ENGINE (S MODE)…..3117
METHOD OF USING TROUBLESHOOTING CHART…..3118
S-1 STARTING PERFORMANCE IS POOR (STARTING ALWAYS TAKES TIME)…..3122
S-2 ENGINE DOES NOT START…..3124
(1) ENGINE DOES NOT TURN…..3124
(2) ENGINE TURNS NO BUT EXHAUST SMOKE COMES OUT (FUEL IS NOT BEING INJECTED)…..3125
(3) EXHAUST SMOKE COMES OUT BUT ENGINE DOES NOT START (FUEL IS BEING INJECTED)…..3126
S-3 ENGINE DOES NOT PICK UP SMOOTHLY (FOLLOW-UP IS POOR)…..3127
S-4 ENGINE DOES S-4 ENGINE STOPS DURING OPERATIONS…..3128
S-5 ENGINE DOES NOT ROTATE SMOOTHLY (HUNTING)…..3129
S-6 ENGINE LACKS OUTPUT (OR LACKS POWER)…..3130
S-7 EXHAUST SMOKE IS BLACK (INCOMPLETE COMBUSTION)…..3131
S-8 OIL CONSUMPTION IS EXCESSIVE (OR EXHAUST GAS IS BLUE)…..3132
S-9 OIL BECOMES CONTAMINATED QUICKLY…..3133
S-10 FUEL CONSUMPTION IS EXCESSIVE …..3134
S-11 OIL IS IN COOLING WATER, OR WATER, …..3135
S-12 OIL PRESSURE CAUTION LAMP LIGHTS UP (DROP IN OIL PRESSURE)…..3136
S-13 OIL LEVEL RISES (WATER, FUEL IN OIL)…..3137
S-14 WATER TEMPERATURE BECOMES TOO HIGH (OVERHEATING)…..3138
S-15 ABNORMAL NOISE IS MADE…..3139
S-16 VIBRATION IS EXCESSIVE…..3140
TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (H MODE)…..3141
TROUBLESHOOTING FLOW CHARTS FOR EACH FAILURE MODE…..3142
ALL WORK EQUIPMENT, TRAVEL, SWING…..3142
H-1 SPEEDS OF ALL WORK EQUIPMENTS, SWING AND TRAVEL ARE SLOW OR LACK OF POWER…..3142
H-2 EXCESSIVE DROP IN ENGINE SPEED, OR ENGINE STALLS…..3144
H-3 ALL WORK EQUIPMENTS, TRAVEL AND SWING DO NOT MOVE…..3145
H-4 ABNORMAL SOUND IS GENERATED (AROUND THE PUMP)…..3145
H-5 FINE CONTROL ABILITY IS POOR, OR RESPONSE IS POOR…..3146
WORK EQUIPMENT…..3146
H-6 BOOM MOVEMENT IS SLOW OR LACKS OF POWER…..3146
H-7 ARM MOVEMENT IS SLOW OR LACKS OF POWER…..3148
H-8 BUCKET MOVEMENT IS SLOW OR LACKS OF POWER…..3150
H-9 WORK EQUIPMENT (BOOM, ARM, BUCKET) DOES NOT MOVE (BUT TRAVEL AND SWING ARE NORMAL)…..3151
H-10 EXCESSIVE HYDRAULIC DRIFT (BOOM, ARM, BUCKET)…..3151
H-11 EXCESSIVE TIME LAG (ENGINE AT LOW SPEED)…..3152
COMPOUND OPERATIONS…..3152
H-12 IN COMPOUND OPERATIONS, WORK EQUIPMENTS, MOVEMENT OF ONE WITH LARGER LOAD IS SLOW…..3152
H-13 IN SING+ BOOM RAISE OPERATION, BOOM RAISE MOVEMENT IS SLOW…..3153
H-14 IN TRAVEL + SWING OPERATION, TRAVEL SPEED DROP IS EXCESSIVE…..3153
H-15 IN TRAVEL + WORK EQUIPMENT (BOOM RAISE) OPERATION, TRAVEL SPEED DROP IS EXCESSIVE…..3153
TRAVEL SYSTEM…..3154
H-16 VEHICLE CURCES UNINTENTIONALLY DURING TRAVEL …..3154
H-17 TRAVEL DEVIATION IS LARGER AT STARTING…..3156
H-18 TRAVEL SPEED IS LOW, OR LACKS OF POWER…..3156
H-19 STEERING OPERATION IS DIFFICULT…..3157
H-20 TRAVEL SPEED CANNOT BE SWITCHED…..3158
H-21 TRAVEL DOES NOT WORK (ONE SIDE ONLY) …..3158
SWING SYSTEM…..3159
H-22 DOES NOT SWING (BOTH SIDES, ONE SIDE ONLY)…..3159
H-23 SWING ACCELERATION IS POOR…..3160
H-24 EXCESSIVE OVERRUN WHEN STOPPING SWING (BOTH SIDES, ONE SIDE ONLY)…..3162
H-25 EXCESSIVE SHOCK WHEN STOPPING SWING (ONE DIRECTION ONLY)…..3163
H-26 EXCESSIVE ABNORMAL NOISE WHEN STOPPING SWING (ONE DIRECTION ONLY)…..3163
H-27 EXCESSIVE HYDRAULIC DRIFT OF SWING (WHEN THE SWING BRAKE IS RELEASED OR ACTIVATED)…..3164
H-28 SWING SPEED IS FASTER THAN THE SPECIFIED SPEED…..3165
H-29 BLADE SPEED IS SLOW, OR LACK OF POWER…..3165
H-30 BLADE DOES NOT MOVE…..3166
H-31 EXCESSIVE HYDRAULIC DRIFT OF THE BLADE…..3166
TROUBLESHOOTING OF MACHINE MONITOR SYSTEM (M MODE)…..3167
ELECTRIC CIRCUIT DIAGRAM OF THE MACHINE MONITOR SYSTEM…..3168
M-1 NO INDICATOR LAMP LIGHTS UP WHENTHE STARTING SWITCH IS TURNED ON (3-SECOND SELF-CHECK IS NOT CARRIED OUT EITHER)…..3170
M-2 ALL THE LAMPS REMAIN LIGHTING-UP AFTER 3-SECOND SELF-CHECK COMPLETED AFTER THE STARTING SWITCH TURNED ON…..3170
M-3 SOME LAMPS DO NOT LIGHT UP DURING SELF-CHECK (ALL LAMPS LIGHTS UP FOR 3 SECONDS) UPON STARTING SWITCH ON…..3171
A) ALL GAUGE LAMPS DO NOT LIGHT UP (CAUTION LAMP DOES LIGHT UP)…..3171
B) SWING LOCK, AUTO-GREASING FAILURE OR PREHEAT DOES NOT LIGHT UP (ALL GAUGE LAMPS LIGHT UP)…..3171
C) CHARGE CAUTION LAMP DOES NOT LIGHT UP…..3171
D) ENGINE OIL PRESSURE CAUTION LAMP DOES NOT LIGHT UP…..3171
M-4 WHEN TURNING ON THE POWER…..3172
M-5 WHEN TURNING ON THE POWER (BEFORE ENGINE STARTING), CHARGE CAUTION LAMP DOES NOT LIGHT UP…..3172
M-6 AT PREHEATNG, PREHEATING INDICATOR DOES NOT LIGHTS UP…..3173
M-7 THOUGH THE SWITCH IS OPERATED, SWING LOCK DOES NOT LIGHT UP …..3173
M-8 WHILE ENGINE RUNNING, ENGINE OIL PRESSURE CAUTION LAMP LIGHTS UP (ENGINE OIL PRESSURE IS NORMAL)…..3174
M-9 CHARGE CAUTION LAMP LIGHTS UP WHILE ENGINE RUNNING…..3174
M-10 ABNORMALITY IN ENGINE WATER TEMPERATURE GAUGE…..3175
A) INDICATOR REMAINS IN THE LOWER LEVEL (WHITE RANGE) AND DOES NOT RISE AFTER ENGINE STARTED…..3175
B) LEVEL RISES IMMEDIATELY AFTER STARTING THE ENGINE. INDICATOR GOES IN THE RED RANGE THOUGH OVERHEAT DOES NOT OCCUR…..3175
C) ENGINE WATER TEMPERATURE GAUGE LAMP GOES OFF…..3175
M-11 ABNORMALITY IN FUEL GAUGE…..3176
A) ALL SEGMENTS …..3176
B) FUEL GAUGE INDICATES FULL THOUGH THE LEVEL IS LOW…..3176
C) FUEL GAUGE DOES NOT INDICATE FULL THOUGH THE TAKIS FULL…..3176
M-12 MALFUNCTION OF THE BUZZER…..3178
A) BUSER DOES NOT SOUND…..3178
B) BUZZER DOES NOT STOP SOUNDING…..3178
M-13 SERVICE METER DOES NOT WORK WHILE THE ENGINE IS RUNNING…..3179
A) WHEN THE CAHARGE CAUTION LAMP DOES NOT LIGHT UP…..3179
B) WHEN THE CHARGE CAUTION LAMP LIGHTS UP (AUTO-GREASING CONTROLLER IS NORMAL)…..3179
M-14 AUTO-GREASING ABNORMALITY ALARM LIGHTS UP (AUTO-GREASING CONTROLLER IS NORMAL)…..3179
M-15 LLUMINATION DOES NOT LIGHT UP…..3180
A) ILLUMINATION AT GAUGE SECTION DOES NOT LIGHT UP…..3180
B) ILLUMINATION AT THE SERVICE METER SECTON DOES NOT LIGHT UP (SERVICE METER ITSELF DO WORK NORMALLY…..3180
M-16 HEATER DOES NOT WORK…..3181
A) BOTH HI AND lO DO NOT WORK…..3181
B) LO ONLY DES NOT WORK…..3181
C) HI ONLY DOES NOT WORK…..3181
TROUBLESHOOTING OF AUTO-GREASING SYSTEM (D MODE)…..3182
D-1 [ALTERNATE BLINKING OF [E] AND [A]] ABNORMALITY IN PUMP PRESSURIZATION IS DISPLAYED…..3183
D-2 [ALTERNATE BLINKING OF [E] AND [B]] ABNORMALITY IN DEPRESSURIZATION IS DISPLAYED [ALTERNATE BLINKING OF [E] AND [C] ABNOR…..3185
D-3 [ALTERNATE BLINKING OF [E] AND [0] ABNORMALITY IN CONTROLLER IS DISPLAYED…..3185
D-4 ABNORMAL SOUND IS GENERATED FROM THE WORK EQUIPMENT PIN, THOUGH NO ABNORMALITY IS DISPLAYED ON THE MONITOR PANEL AND GREA…..3186
D-5 ALLIEDS ON THE GREASING CONTROLLER GOES OFF…..3188
D-6 PUMP DOES NOT RUN EVEN THOUGH THE START-UP SWITCH IS PRESSED…..3188
30 DISASSEMBLY AND ASSEMBLY…..3190
METHOD OF USING MANUAL…..3192
PRECAUTIONS WHEN CARRYING OUT OPERATION…..3193
SPECIAL TOOL LIST…..3195
SKETCHES OF SPECIAL TOOLS…..3199
* STARTING MOTOR…..3207
REMOVAL AND INSTALLATION…..3207
* ALTERNATOR…..3208
REMOVAL AND INSTALLATION…..3208
* FUEL INJECTION PUMP…..3209
REMOVAL…..3209
INSTALLATION…..3211
* WATER PUMP…..3213
REMOVAL AND INSTALLATION…..3213
* NOZZLE HOLDER…..3214
REMOVAL AND INSTALLATION…..3214
* THERMOSTAT…..3215
REMOVAL AND INSTALLATION…..3215
* ENGINE OIL COOLER CORE…..3216
REMOVAL…..3216
INSTALLATION…..3217
CYLINDER HEAD…..3218
REMOVAL…..3218
INSTALLATION…..3223
ENGINE, MAIN PUMP…..3226
REMOVAL…..3226
INSTALLATION…..3232
RADIATOR, HYDRAULIC COOLER…..3237
REMOVAL…..3237
INSTALLATION…..3239
FUEL TANK…..3242
REMOVAL AND INSTALLATION…..3242
CENTER SWIVEL JOINT…..3243
REMOVAL…..3243
INSTALLATION…..3244
DISASSEMBLY AND ASSEMBLY…..3245
SPROCKET…..3246
REMOVAL AND INSTALLATION…..3246
TRAVEL MOTOR…..3247
REMOVAL AND INSTALLATION…..3247
DISASSEMBLY, ASSEMBLY OF TRAVEL MOTOR GM09VL2…..3248
SAFETY…..3249
SECTIONAL DRAWING, SINGLE VIEW DRAWING, AND PARTS LIST …..3250
SECTIONAL DRAWING OF ASSEMBLY…..3250
SINGLE VIEW DISASSEMBLY DRAWING OF REDUCTION GEAR ASSEMBLY…..3252
SINGLE VIEW DISASSEMBLY DRAWING OF HYDRAULIC MOTOR ASSEMBLY…..3253
PARTS LIST…..3254
TOOLS…..3255
TIGHENING TORQUE…..3261
WEIGHT TABLE…..3261
DISASSEMBLY…..3262
MAINTENANCE STANDARD TABLE…..3282
ASSEMBLY…..3284
DIMENSIONS TABLE OF CLEARENCE ADJUSTMENT PARTS…..3306
PERFORMANCE CONFIRMATION TEST…..3307
SWING MOTOR, SWING MACHINERY…..3308
REMOVAL AND INSTALLATION…..3308
SWING MOTOR…..3309
DISASSEMBLY…..3309
ASSEMBLY…..3313
SWING MACHINERY…..3319
DISASSEMBLY…..3319
ASSEMBLY…..3322
REVOLVING FRAME…..3325
REMOVAL…..3325
INSTALLATION…..3326
SWING CIRCLE…..3329
REMOVAL AND INSTALLATION…..3329
IDLER, RECOIL SPRING…..3330
REMOVAL AND INSTALLATION…..3330
RECOIL SPRING…..3331
DISASSEMBLY…..3331
ASSEMBLY…..3332
IDLER…..3333
DISASSEMLY…..3333
ASSEMBLY…..3334
TRACK ROLLER…..3336
REMOVAL AND INSTALLATION…..3336
DISASSEMBLY…..3337
ASSEMBLY…..3339
CARRIER ROLLER…..3341
REMOVAL AND INSTALLATION…..3341
TRACK SHOE…..3342
REMOVAL AND INSTALLATION…..3342
HYDRAULIC TANK …..3343
REMOVAL…..3343
INSTALLATION…..3344
MAIN PUMP…..3345
REMOVAL…..3345
INSTALLATION…..3346
MAIN PUMP INPUT SHAFT OIL SEAL…..3349
REMOVAL AND INSTALLATION…..3349
CONTROL VALVE…..3350
REMOVAL…..3350
INSTALLATION…..3351
DISASSEMBLY…..3352
ASSEMBLY…..3356
MAIN RELIEF VALVE…..3360
DISASSEMBLY AND ASSEMBLY…..3360
SOLENOID VALVE…..3361
REMOVAL AND INSTALLATION…..3361
WORK EQUIPMENT LEFT SIDE PPC VALVE (FOR ARM, SWING CONTROL) REMOVAL AND INSTALLATION…..3362
WORK EQUIPMENT RIGHT SIDE PPC VALVE (FOR BOOM, BUCKET CONTROL) REMOVAL AND INSTALLATION…..3363
WORK EQUIPMENT PPC VALVE (FOR BOOM, ARM, BUCKET, SWING CONTROL PPC VALUE)…..3364
DISASSEMBLY…..3364
ASSEMBLY…..3365
TRAVEL PPC VALVE…..3366
REMOVAL AND INSTALLATION…..3366
DISASSEMBLY AND ASSEMBLY…..3367
BOOM CYCLINDER…..3369
REMOVAL…..3369
INSTALLATION…..3370
ARM CYLINDER…..3371
REMOVAL…..3371
INSTALLATION…..3372
BUCKET CYLINDER…..3373
REMOVAL…..3373
INSTALLATION…..3374
BLADE CYCLINDER…..3375
REMOVAL…..3375
INSTALLATION…..3376
HYDRAULIC CYCLINDER…..3377
DISASSEMBLY…..3377
ASSEMBLY…..3380
WORK EQUIPMENT…..3383
REMOVAL…..3383
INSTALLATION…..3384
BUCKET…..3385
REMOVAL…..3385
INSTALLATION…..3386
ARM…..3387
REMOVAL…..3387
INSTALLATION…..3388
BUCKET/ ARM…..3389
REMOVAL…..3389
INSTALLATION…..3390
BOOM…..3391
REMOVAL…..3391
INSTALLATION…..3392
BLADE…..3393
REMOVAL AND INSTALLATION…..3393
OPERATOR'S CAB…..3394
REMOVAL AND INSTALLATION…..3394
COUNTERWEIGHT…..3395
REMOVAL AND INSTALLATION…..3395
MONITOR…..3397
REMOVAL AND INSTALLATION…..3397
SWING CONTROLLER…..3397
REMOVAL AND INSTALLATION…..3397
AUTO-GREASING CONTROLLER…..3398
REMOVAL AND INSTALLATION…..3398
AUTO-GREASING PUMP…..3398
REMOVAL AND INSTALLATION…..3398
40 MAINTENANCE STANDARD…..3399
SWING MACHINERY…..3400
SWING CIRCLE…..3402
TRACK FRAME…..3403
IDLER…..3404
TRACK ROLLER…..3405
CARRIER ROLLER…..3407
TRACK SHOE…..3408
HYDRAULIC PUMP…..3411
CONTROL VALVE…..3412
SELF-PRESSURE REDUCING VALVE…..3424
SWING MOTOR…..3426
CENTER SWIVEL JOINT…..3428
WORK EQUIPMENT, SWING PPC VALVE…..3432
TRAVEL PPC VALVE…..3433
SERVICE PPC VALVE…..3434
WORK EQUIPMENT…..3435
HYDRAULIC CYCLINDER…..3440
50 OTHER SPECIFICATION (PC60-7 (FOR NORWAY)…..3441
PC60-7 (FOR NORWAY)…..3442
CONTENTS…..3443
GENERAL…..3444
DIMENSION…..3444
SPECIFICATIONS…..3446
WEIGHT TABLE…..3448
TABLE OF OIL AND COOLANT CAPACITY…..3450
STRUCTURE AND FUNCTION…..3452
WORK EQUIPMENT PIN AUTOMATIC GREASING SYSTEM (OPT)…..3452
ELECTRICAL ALLOCATION DIAGRAM…..3465
ELECTRIC CIRCUIT DIAGRAM…..3469
MACHINE MONITOR SYSTEM…..3471
TESTING AND ADJUSTING…..3474
CONNECTOR TYPES AND MOUNTING LOCATIONS…..3474
TROUBLESHOOTING…..3479
TROUBLESHOOTING OF MACHINE MONITOR LOCATIONS…..3479
ELECTRIC CIRCUIT DIAGRAM OF THE MACHINE MONITOR SYSTEM…..3480
M-1 NO INDICATOR LAMP LIGHTS UP WHEN THE STARTING SWITCH IS TURNED ON (3-SECOND SELF-CHECK IS NOT CARRIED OUT EITHER)…..3481
M-2 ALL THE LAMPS REMAIN LIGHTING-UP AFTER 3-SECOND SELF-CHECK COMPLETED AFTER THE STARTING SWITCH TURNED ON…..3481
M-3 SOME LAMPS DO NOT LIGHT UP DURING SELF-CHECK (ALL LAMPS LIGHTS UP FOR 3 SECONDS) UPON STARTING SWITCH ON…..3482
A) ALL GAUGE LAMPS DO NOT LIGHT UP (CAUTION LAMP DOES LIGHT UP)…..3482
B) SWING LOCK, AUTO-GREASING FAILURE OR PREHEAT DOES NOT LIGHT UP (ALL GAUGE LAMPS LIGHHT UP)…..3482
C) CHARGE CAUTION LAMP DOES NOT LIGHT UP)…..3482
D) ENGINE OIL PRESSURE CAUTION LAMP DOES NOT LIGHT UP…..3482
M-4 WHEN TURNING ON THE POWER (BEFORE ENGINE STARTING), ENGINCHARGE CAUTION LAMP DOES NOT LIGHT UP…..3483
M-5 WHEN TURNING ON THE POWER (BEFORE ENGINE STARTING), ENGINE OIL PRESSURE CAUTION LAMP DOES NOT LIGHT UP…..3483
M-6 AT PREHEATING, PREHEATING INDICATOR DOES NOT LIGHT UP…..3484
M-7 THOUGH THE SWITCH IS OPERATED, SWING LOCK DOES NOT LIGHT UP…..3484
M-8 WHILE ENGINE RUNNING, ENGINE OIL PRESSURE CAUTION LAMP LIGHTS UP(ENGINE OIL PRESSURE IS NORMAL)…..3485
M-9 CHARGE CAUTION LAMP LIGHTS UP WHILE ENGINE RUNNING…..3485
M-10 ABNORMALITY IN ENGINE WATER TEMPERATURE GAUGE…..3486
A) INDICATOR REMAINS IN THE LOWEST LEVEL (WHITE RANGE) AND DOES NOT RISE AFTER ENGINE STARTED…..3486
B) LEVEL RISES IMMEDIATELY AFTER STARTING THE ENGINE. INDICATOR GOES IN THE RED RANGE THOUGH OVER HEAT…..3486
C) ENGINE WATER TEMPERATURE GAUGE GOES OFF…..3486
M-11 ABNORMALITY IN FUEL GAUGE…..3487
A) ALL A) ALL SEGMENTS OF THE FUEL GAUGE GO OFF…..3487
B) FUEL GAUGE INDICATES FULL THOUGH THE LEVEL IS LOW…..3487
C) FUEL GAUGE DOES NOT INDICATE FULL THOUGH THE TANK IS FULL…..3487
M-12 MALFUNCTION OF THE BUZZER…..3489
A) BUZZER DOES NOT SOUND…..3489
B) BUZZER DOES NOT STOP SOUNDING…..3489
M-13 SERVICE METER DOES NOT WORK WHILE THE ENGINE IS RUNNING…..3490
A) WHEN THE CHARGE CAUTION LAMP DOES NOT LIGHT UP…..3490
B) WHEN THE CHARGE CAUTION LAMP LIGHTS UP, REFER TO THE ITEM M-9…..3490
M-14 AUTO-GREASING ABNORMALITY ALARM LIGHTS UP (AUTO-GREASING CONTROLLER IS NORMAL…..3490
M-15 ILLUMINATION DOES NOT LIGHT UP…..3491
A) ILLUMINATION DOES NOT LIGHT UP…..3491
B) ILLUMINATION AT THE SERVICE METER SECTION DOES NOT LIGHT UP (SERVICE METER ITSELF DO WORK NORMALLY)…..3491
DISASSEMBLY AND ASSEMBLY…..3492
AUTO-GREASING CONTROLLER (OPT)…..3492
AUTO-GREASING PUMP (OPT)…..3492
90 OTHERS…..3493
HYDRAULIC PIPING DRAWING…..3494
HYDRAULIC CIRCUIT DIAGRAM…..3495
OVERALL SYSTEM DIAGRAM (1/5)…..3498
OVERALL SYSTEM DIAGRAM (2/5)…..3499
OVERALL SYSTEM DIAGRAM (3/5)…..3500
OVERALL SYSTEM DIAGRAM (4/5)…..3501
OVERALL SYSTEM DIAGRAM (5/5)…..3502
ELECTRICAL ALLOCATION DIAGRAM…..3503
SERIAL NO. : 52374 – 57999…..3504
SERIAL NO.: 58001 AND UP…..3505
ELECTRIC CIRCUIT DIAGRAM…..3506
9PC60-7 SERIAL NO. 55720 AND UP FOR NORWAY)…..3506
CONNECTOR TYPES AND MOUNTING LOCATIONS…..3507
SEBM02010505 – Hydraulic Excavator PC60-5, PC60L-5, PC60U-5 Shop Manual…..3509
COVER…..3509
CONTENTS…..3510
10 ENGINE…..3513
11 STRUCTURE AND FUNCTION…..3513
ENGINE MOUNT…..3514
RADIATOR…..3515
PTO…..3516
FUEL TANK AND PIPING…..3517
ENGINE CONTROL…..3518
AUTO-DECELERATION SYSTEM (IF EQUIPPED)…..3519
12 TESTING AND ADJUSTING…..3527
TESTING AND ADJUSTING DATA…..3528
TOOL LIST FOR TESTING AND ADJUSTING…..3529
ADJUSTING VALVE CLEARANCE…..3530
MEASURING EXHAUST GAS COLOR…..3531
MEASURING COMPRESSION PRESSURE…..3532
MEASURING BLOW-BY PRESSURE…..3533
ADJUSTING FUEL INJECTION TIMING…..3534
TESTING AND ADJUSTING FAN BELT TENSION…..3535
ADJUSTING FUEL CONTROL LEVER…..3536
ADJUSTING AUTO-DECELERATION SYSTEM (IF EQUIPPED)…..3537
13 DISASSEMBLY AND ASSEMBLY…..3538
STARTING MOTOR…..3539
REMOVAL…..3539
INSTALLATION…..3539
ALTERNATOR…..3539
REMOVAL…..3539
INSTALLATION…..3539
AUTO-DECELERATION CYLINDER…..3540
REMOVAL…..3540
INSTALLATION…..3540
FUEL INJECTION PUMP…..3541
REMOVAL…..3541
INSTALLATION…..3541
ENGINE OIL COOLER…..3542
REMOVAL…..3542
INSTALLATION…..3542
FAN AND FAN PULLEY…..3542
REMOVAL…..3542
INSTALLATION…..3542
WATER PUMP…..3543
REMOVAL…..3543
INSTALLATION…..3543
THERMOSTAT…..3544
REMOVAL…..3544
INSTALLATION…..3544
NOZZLE HOLDER…..3545
REMOVAL…..3545
INSTALLATION…..3545
CYLINDER HEAD…..3546
REMOVAL…..3546
INSTALLATION…..3548
HYDRAULIC OIL COOLER…..3550
REMOVAL…..3550
INSTALLATION…..3550
RADIATOR AND HYDRAULIC OIL COOLER…..3551
REMOVAL…..3551
INSTALLATION…..3552
ENGINE…..3553
REMOVAL…..3553
INSTALLATION…..3556
PTO…..3559
REMOVAL…..3559
INSTALLATION…..3559
DISASSEMBLY…..3560
ASSEMBLY…..3560
20 POWER TRAIN…..3561
21 STRUCTURE AND FUNCTION…..3561
POWER TRAIN…..3562
TRAVEL SYSTEM…..3563
TRAVEL CONTROL CIRCUIT SCHEMATICS…..3564
TRAVEL CONTROL CIRCUIT…..3565
TRAVEL MOTOR (WITH REDUCTION GEAR AND PARKING BRAKE)…..3568
CENTER SWIVEL JOINT…..3575
STRAIGHT TRAVEL SYSTEM…..3576
TRAVEL CONTROL…..3578
SWING SYSTEM…..3579
SWING CONTROL CIRCUIT SCHEMATICS…..3580
SWING CONTROL CIRCUIT…..3581
SWING MOTOR AND BRAKE VALVE…..3582
SWING MECHANICAL BRAKE…..3588
SWING PRIORITY CIRCUIT…..3592
SWING MACHINERY…..3594
SWING CIRCLE…..3595
SPROCKET…..3596
23 DISASSEMBLY AND ASSEMBLY…..3597
CENTER SWIVEL JOINT…..3598
REMOVAL…..3598
INSTALLATION…..3599
DISASSEMBLY…..3600
ASSEMBLY…..3600
TRAVEL MOTOR…..3601
REMOVAL…..3601
INSTALLATION…..3601
DISASSEMBLY…..3602
ASSEMBLY…..3610
SWING MOTOR…..3623
REMOVAL…..3623
INSTALLATION…..3623
DISASSEMBLY…..3624
ASSEMBLY…..3627
SWING CIRCLE…..3632
REMOVAL…..3632
INSTALLATION…..3633
SWING MACHINERY…..3634
REMOVAL…..3634
INSTALLATION…..3634
DISASSEMBLY…..3635
ASSEMBLY…..3638
SPROCKET…..3642
REMOVAL…..3642
INSTALLATION…..3642
24 MAINTENANCE STANDARD…..3643
SWING MACHINERY…..3644
SWING CIRCLE…..3645
SWING MOTOR…..3646
SPROCKET…..3647
30 UNDERCARRIAGE…..3648
31 STRUCTURE AND FUNCTION…..3648
TRACK FRAME…..3649
IDLER…..3651
RECOIL SPRING…..3651
TRACK ROLLER…..3652
CARRIER ROLLER…..3652
TRACK SHOE…..3653
33 DISASSEMBLY AND ASSEMBLY…..3655
RECOIL SPRING…..3656
REMOVAL…..3656
INSTALLATION…..3656
DISASSEMBLY…..3657
ASSEMBLY…..3657
IDLER…..3658
DISASSEMBLY…..3658
ASSEMBLY…..3658
TRACK ROLLER…..3659
REMOVAL…..3659
INSTALLATION…..3659
DISASSEMBLY…..3660
ASSEMBLY…..3660
CARRIER ROLLER…..3661
REMOVAL…..3661
INSTALLATION…..3661
DISASSEMBLY…..3662
ASSEMBLY…..3662
TRACK SHOE…..3663
REMOVAL…..3663
INSTALLATION…..3664
34 MAINTENANCE STANDARD…..3665
TRACK FRAME AND RECOIL SPRING…..3666
IDLER…..3667
CARRIER ROLLER…..3668
TRACK ROLLER…..3669
TRACK SHOE…..3670
60 HYDRAULIC SYSTEM…..3672
61 STRUCTURE AND FUNCTION…..3672
OUTLINE…..3673
HYDRAULIC PIPING…..3674
HYDRAULIC SCHEMATICS…..3676
HYDRAULIC CIRCUIT…..3678
HYDRAULIC TANK (WITH FUEL TANK)…..3686
HYDRAULIC PUMP…..3687
PC CONTROL SYSTEM…..3696
MODE SELECTION TYPE PC CONTROL SYSTEM (IF EQUIPPED)…..3698
OLSS SYSTEM (IF EQUIPPED)…..3703
CONTROL VALVE…..3721
WORK EQUIPMENT SWIVEL JOINT…..3726
SAFETY SUCTION VALVE (FOR BOOM SWING)…..3727
HYDRAULIC CYLINDER…..3728
WORK EQUIPMENT CONTROL…..3732
WORK EQUIPMENT…..3741
62 TESTING AND ADJUSTING…..3742
TABLE OF JUDGEMENT STANDARD VALUE…..3743
TROUBLESHOOTING TOOLS…..3758
MEASURING HYDRAULIC OIL TEMPERATURE…..3759
TESTING OPERATING FORCE OF CONTROL LEVERS…..3760
TESTING TRAVEL CONTROL LEVERS…..3761
TESTING TRAVEL CONTROL VALVE SPOOLS…..3762
TESTING AND ADJUSTING MAIN RELIEF VALVE…..3763
TESTING AND ADJUSTING CHARGING PUMP RELIEF VALVE…..3764
TESTING CONTROL CIRCUIT PRESSURE…..3765
MEASURING SWING AND BUCKET RELIEF PRESSURE…..3767
MEASURING DELIVERY OF PISTON PUMP…..3768
CHECKING PERFORMANCE OF WORK EQUIPMENT…..3769
AIR BLEEDING…..3773
CHECKING TRAVEL MOTOR PERFORMANCE…..3774
CHECKING PERFORMANCE OF SWING MOTORS…..3776
MEASURING OIL LEAKAGE FROM SWING AND TRAVEL MOTORS…..3777
CHECKING FOR OIL LEAKAGE FROM SWIVEL JOINT…..3778
ADJUSTING BOOM SWING KICKOUT (ON PC60U-5)…..3779
CHECKING VISUALLY OR BY "FEEL"…..3780
TROUBLESHOOTING…..3783
ELECTRICAL CIRCUIT…..3784
POSITION OF CONNECTORS FOR TROUBLESHOOTING…..3787
CONNECTION TABLE FOR CONNECTOR PINS…..3794
TROUBLESHOOTING PROCEDURE…..3798
CHECKS BEFORE TROUBLESHOOTING…..3799
JUDGEMENT TABLE…..3800
TROUBLESHOOTING CHART…..3805
E-1 WORK EQUIPMENT, SWING, TRAVEL SPEEDS EXTREMELY SLOW, OR LACK OF POWER, NO CHANGE IN OUTPUT WHEN MODE SELECTOR SWITCH IS OPERATED…..3805
E-2 MACHINE DEVIATES EXCESSIVELY (DURING COMPOUND OPERATIONS)…..3807
E-2 MACHINE DEVIATES EXCESSIVELY (DURING COMPOUND OPERATIONS) (WHEN STARTING)…..3811
E-3 HYDRAULIC DRIFT OF SWING IS EXCESSIVE, OR UPPER STRUCTURE DOES NOT SWING…..3815
E-4 AUTO-DECELERATION DOES NOT WORK…..3819
H-1 MACHINE DEVIATES EXCESSIVELY (DEVIATES MORE THAN STANDARD WHEN ONLY TRAVEL SYSTEM IS USED, TRAVEL LEVER IS PULLED FAULLY)…..3823
H-1 MACHINE DEVIATES EXCESSIVELY (DEVIATES MORE THAN STANDARD WHEN ONLY TRAVEL SYSTEM IS USED, TRAVEL LEVER AT FULL TRAVEL)…..3825
H-2 MACHINE DEVIATES EXCESSIVELY DURING COMPOUND OPERATION…..3827
H-3 MACHINE DEVIATES EXCESSIVELY WHEN STARTING…..3827
H-4 CONTROL LEVERS ARE EXTREMELY HEAVY…..3828
H-5 WORK EQUIPMENT, TRAVEL AND SWING START SUDDENLY DURING FINE CONTROL OPERATIONS…..3829
H-6 SPEEDS FOR WORK EQUIPMENT, SWING, AND TRAVEL ARE ALL EXTREMELY SLOW, OR THERE IS NO POWER…..3830
H-6 SPEEDS FOR WORK EQUIPMENT, SWING, AND TRAVEL ARE ALL EXTREMELY SLOW, OR THERE IS NO POWER (NO ABNORMALITY IN AUTO-DECELERATION)…..3832
H-7 SPEEDS FOR BOOM, ARM AND BUCKET ARE SLOW, OR THERE IS NO POWER (NO ABNORMALITY IN AUTO-DECELERATION)…..3836
H-8 ENGINE STALLS OR ENGINE SPEED DROPS DURING OPERATIONS…..3837
H-9 NO CHANGE IN OUTPUT WHEN MODE SELECTOR SWITCH OPERATED…..3838
H-10 AUTO-DECELERATION DOES NOT COME ON, OR DOES NOT GO OFF…..3839
H-11 ABNORMAL NOISE COMES FROM AROUND PUMP…..3840
H-12 SWING SPEED IS SLOW, OR OVERRUN WHEN STOPPING SWING IS EXCESSIVE…..3841
H-13 UPPER STRUCTURE DOES NOT SWING…..3842
H-14 EXCESSIVE HYDRAULIC DRIFT OF SWING…..3842
H-15 EXCESSIVE HYDRAULIC DRIFT OF WORK EQUIPMENT…..3843
H-16 EXCESSIVE TIME LAG FOR WORK EQUIPMENT…..3844
FAILURE MODE AND COMPONENTS…..3845
63 DISASSEMBLY AND ASSEMBLY…..3846
CONTROL PUMP…..3847
REMOVAL…..3847
INSTALLATION…..3847
MAIN PUMP…..3849
REMOVAL…..3849
INSTALLATION…..3850
REMOVAL (WITH OLSS)…..3851
INSTALLATION (WITH OLSS)…..3852
DISASSEMBLY…..3853
ASSEMBLY…..3857
TVC VALVE AND FRONT CO・NC VALVE (IF EQUIPPED)…..3868
REMOVAL…..3868
INSTALLATION…..3868
REAR CO・NC VALVE (IF EQUIPPED)…..3869
REMOVAL…..3869
INSTALLATION…..3869
SERVO VALVE…..3870
REMOVAL…..3870
INSTALLATION…..3870
MAIN PUMP INPUT SHAFT OIL SEAL…..3871
REMOVAL…..3871
INSTALLATION…..3871
L.H. 6-SPOOL CONTROL VALVE…..3872
REMOVAL…..3872
INSTALLATION…..3875
R.H. 5-SPOOL CONTROL VALVE…..3879
REMOVAL…..3879
INSTALLATION…..3881
CONTROL VALVE…..3883
REMOVAL…..3883
ASSEMBLY…..3885
BOOM CYLINDER…..3887
REMOVAL…..3887
INSTALLATION…..3887
ARM CYLINDER…..3888
REMOVAL…..3888
INSTALLATION…..3888
BUCKET CYLINDER…..3889
REMOVAL…..3889
INSTALLATION…..3889
HYDRAULIC CYLINDER…..3890
DISASSEMBLY…..3890
ASSEMBLY…..3892
64 MAINTENANCE STANDARD…..3895
CHARGING PUMP (BAR 16)…..3896
L.H. 6-SPOOL CONTROL VALVE…..3897
R.H. 5-SPOOL CONTROL VALVE…..3899
R.H. 6-SPOOL CONTROL VALVE…..3901
HYDRAULIC CYLINDER…..3903
WORK EQUIPMENT…..3905
70 WORK EQUIPMENT…..3909
73 DISASSEMBLY AND ASSEMBLY…..3909
WORK EQUIPMENT…..3910
REMOVAL…..3910
INSTALLATION…..3910
BUCKET…..3911
DISASSEMBLY…..3911
ASSEMBLY…..3911
ARM…..3912
REMOVAL…..3912
INSTALLATION…..3912
BOOM…..3913
REMOVAL…..3913
INSTALLATION…..3913
ARM,BUCKET…..3914
REMOVAL…..3914
INSTALLATION…..3914
80 ELECTRICAL SYSTEM…..3915
81 STRUCTURE AND FUNCTION…..3915
ELECTRICAL SYSTEM…..3916
ELECTRICAL CIRCUIT DIAGRAM…..3918
82 TESTING AND ADJUSTING…..3920
ELECTRICAL CIRCUIT…..3921
TROUBLESHOOTING CHART…..3923
M-1 BATTERY CHARGING PILOT LAMP DOES NOT GO OFF…..3923
M-2 FUEL GAUGE DOES NOT DISPLAY OR DISPLAYS ABNORMALLY…..3924
M-3 WATER TEMPERATURE GAUGE DOES NOT OPERATE OR DISPLAYS ABNORMALLY…..3925
SEBM02010607 – Hydraulic Excavator PC60-6, PC60L-6, PC90-1 Shop Manual…..3926
COVER…..3926
CONTENTS…..3927
10 STRUCTURE AND FUNCTION…..3941
ENGINE MOUNT AND ENGINE RELATED PARTS…..3942
RADIATOR AND OIL COOLER…..3943
P.T.O…..3944
POWER TRAIN…..3945
SWING CIRCLE…..3947
SWING MACHINERY…..3948
TRACK FRAME…..3949
IDLER…..3952
IDLER CUSHION…..3952
CARRIER ROLLER…..3953
TRACK ROLLER…..3953
TRACK SHOE…..3954
HYDRAULIC PIPING…..3956
HYDRAULIC CIRCUIT DIAGRAM…..3958
HYDRAULIC TANK AND FUEL TANK…..3962
HYDRAULIC PUMP…..3963
BLADE PUMP…..3976
L.H. 6-SPOOL CONTROL VALVE…..3977
R.H. 5-SPOOL CONTROL VALVE…..3983
BLADE CONTROL VALVE…..3990
SWING MOTOR…..3991
CENTER SWIVEL JOINT…..3994
TRAVEL MOTOR…..3996
BOOM SAFETY VALVE…..4007
VALVE CONTROL…..4008
PPC VALVE…..4012
SOLENOID VALVE ASSEMBLY…..4020
SAFETY LOCK VALVE…..4023
SHUTTLE VALVE…..4023
HYDRAULIC CYLINDER…..4024
WORK EQUIPMENT…..4026
ELECTRICAL WIRING DIAGRAM…..4027
ELECTRICAL CIRCUIT DIAGRAM…..4029
ENGINE CONTROL…..4031
TOTAL CONTROL SYSTEM…..4040
EMMAC (ELECTRONIC MONITOR AND CONTROL CONSOLE)…..4053
20 TESTING AND ADJUSTING…..4059
TABLE OF JUDGEMENT STANDARD VALUE…..4060
TOOLS FOR TESTING, ADJUSTING, AND TROUBLESHOOTING…..4080
ADJUSTING VALVE CLEARANCE…..4081
MEASURING COMPRESSION PRESSURE…..4082
TESTING AND ADJUSTING FUEL INJECTION TIMING…..4083
ADJUSTING TRAVEL OF GOVERNOR MOTOR LEVER…..4084
TESTING AND ADJUSTING TRAVEL LEVER, LIMIT SWITCHES…..4085
TESTING AND ADJUSTING HYDRAULIC PRESSURE IN WORK EQUIPMENT, SWING, TRAVEL CIRCUIT…..4086
TESTING AND ADJUSTING CHARGING PUMP PRESSURE…..4089
MEASURING PPC VALVE OUTPUT PRESSURE…..4091
ADJUSTING PPC VALVE…..4092
TESTING PPC SHUTTLE VALVE…..4094
MEASURING SOLENOID VALVE OUTLET PRESSURE…..4095
TESTING FOR OIL LEAKAGE FROM CENTER SWIVEL JOINT…..4097
BLEEDING AIR…..4098
RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT…..4100
TROUBLESHOOTING…..4101
POINTS TO REMEMBER WHEN TROUBLESHOOTING…..4102
SEQUENCE OF EVENTS IN TROUBLESHOOTING…..4103
PRECAUTIONS WHEN CARRYING OUT MAINTENANCE…..4104
CHECKS BEFORE TROUBLESHOOTING…..4111
ELECTRICAL CIRCUIT DIAGRAM…..4112
POSITION OF CONNECTORS FOR TROUBLESHOOTING…..4115
CONNECTION TABLE FOR CONNECTOR…..4117
HANDLING CONNECTORS…..4125
DISPLAY METHOD FOR MONITOR PANEL AND ENGINE THROTTLE CONTROLLER…..4126
ACTION OF SELF-DIAGNOSTIC FUNCTION AND SYMPTOMS ON MACHINE…..4127
METHOD OF USING JUDGEMENT TABLE…..4128
METHOD OF USING TROUBLESHOOTING CHARTS…..4130
TROUBLESHOOTING OF ENGINE THROTTLE CONTROLLER SYSTEM (E MODE)…..4132
ENGINE THROTTLE CONTROLLER OR IN ENGINE RELATED PARTS…..4133
POINTS TO REMEMBER WHEN CARRYING OUT TROUBLESHOOTING ON ENGINE THROTTLE CONTROLLER SYSTEM…..4134
E-1 [ABNORMALITY IN POWER SOURCE SYSTEM OR CONTROLLER] IS DISPLAYED (ALL LAMPS OFF)…..4135
E-2 [SHORT CIRCUIT IN GOVERNOR MOTOR] IS DISPLAY…..4137
E-3 [ABNORMALITY IN BATTERY RELAY] IS DISPLAYED…..4138
E-4 [DISCONNECTION IN WIRING HARNESS OF GOVERNOR MOTOR] IS DISPLAYED…..4139
E-5 [ABNORMALITY IN GOVERNOR POTENTIOMETER] IS DISPLAYED…..4140
E-6 [ABNORMALITY IN FUEL CONTROL DIAL] IS DISPLAYED…..4142
E-7 ENGINE DOES NOT START…..4143
E-8 ENGINE ROTATION IS IRREGULAR…..4145
E-9 LACK OF OUTPUT POWER (MAX. ENGINE SPEED IS TOO LOW)…..4149
E-10 ENGINE DOES NOT STOP…..4151
E-11 AUTOMATIC WARMING-UP OPERATION IS DEFECTIVE…..4153
TROUBLESHOOTING OF PUMP CONTROLLER SYSTEM (C MODE)…..4154
CHART FOR DISTINGUISHING IF FAILURE IS IN SYSTEM CONTROLLER OR IN HYDRAULIC RELATED PARTS…..4155
C-1 AUTO-DECELERATION DOES NOT WORK (ENGINE SPEED DOES NOT RISE EVEN WHEN LEVER IS OPERATED)…..4156
C-2 AUTO-DECELERATION DOES NOT WORK (ENGINE SPEED DOES NOT DROP EVEN WHEN LEVERS ARE AT NEUTRAL)…..4158
C-3 DOES NOT SWING (SWING BRAKE SOLENOID IS DOES NOT COME ON)…..4161
C-4 EXCESSIVE HYDRAULIC DRIFT OF SWING (SWING BRAKE SOLENOID STAYS ON)…..4162
C-5 EXCESSIVE TRAVEL DEVIATION DURING SIMULTANEOUS OPERATIONS (STRAIGHT-TRAVEL SOLENOID DOES NOT COME NO)…..4163
C-6 WORK EQUIPMENT SPEED IS SLOW (PARTICULARLY SLOW WHEN ARM IS OPERATED INDEPENDENTLY) (STRAIGHT-TRAVEL SOLENOID STAYS ON)…..4164
C-7 POWER SET DOES NOT SWITCH TO S MODE (STAYS IN L MODE) (POWER SET SOLENOID STAYS ON)…..4167
C-8 POWER SET DOES NOT SWITCH TO L MODE (STAYS IN S MODE) (POWER SET SOLENOID DOES NOT COME ON)…..4169
C-9 TRAVEL SPEED DOES NOT SWITCH TO HI (STAYS IN LO) (TRAVEL SPEED SOLENOID DOES NOT COME ON)…..4171
C-10 TRAVEL SPEED DOES NOT SWITCH TO LO (STAYS IN HI)(TRAVEL SPEED SOLENOID STAYS ON)…..4172
C-11 PRESSURE DOES NOT RISE WHEN TRAVELING (REMAINS AT NORMAL HYDRAULIC PRESSURE) (PC90-1)…..4173
TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (H MODE)…..4174
H-1 SPEED OF ALL WORK EQUIPMENT, TRAVEL, SWING IS SLOW…..4175
H-2 ENGINE SPEED DROPS EXCESSIVELY, OR ENGINE STALLS…..4175
H-3 WORK EQUIPMENT, TRAVEL SWING DO NOT MOVE, OR SPEED IS EXTREMELY SLOW…..4176
H-4 WORK EQUIPMENT, TRAVEL, SWING LACK POWER…..4177
H-5 POWER SET DOES NOT SWITCH…..4177
H-6 ABNORMAL NOISE GENERATED (FROM AROUND PUMP)…..4178
H-7 AUTO-DECELERATION DOES NOT ACTUATED…..4178
H-8 BOOM, ARM SPEED IS EXTREMELY SLOW…..4179
H-9 WORK EQUIPMENT (BOOM, ARM, BUCKET) SPEED IS SLOW…..4179
H-10 WORK EQUIPMENT (BOOM, ARM, BUCKET) LACKS POWER…..4180
H-11 EXCESSIVE HYDRAULIC DRIFT…..4180
H-12 EXCESSIVE TIME LAG…..4180
H-13 MACHINE DEVIATES NATURALLY WHEN TRAVELING…..4181
a) DEVIATES IN SAME DIRECTION BOTH IN FORWARD AND REVERSE…..4181
b) DEVIATES IN DIFFERENT DIRECTION IN FORWARD AND REVERSE…..4183
H-14 EXCESSIVE DEVIATION DURING COMPOUND OPERATIONS…..4184
H-15 EXCESSIVE DEVIATION WHEN STARTING…..4184
H-16 TRAVEL LACKS POWER (OR SPEED IS SLOW)…..4185
H-17 TRAVEL SPEED DOES NOT SWITCH…..4185
H-18 MACHINE DOES NOT MOVE (ONE SIDE ONLY)…..4186
H-19 TRAVEL LEVER IS HEAVY…..4186
H-20 DOES NOT SWING…..4187
H-21 SWING SPEED IS SLOW OR ACCELERATION IS POOR…..4189
H-22 EXCESSIVE OVERRUN WHEN STOPPING SWING…..4189
H-23 EXCESSIVE SHOCK WHEN STOPPING SWING…..4190
H-24 EXCESSIVE ABNORMAL NOISE WHEN STOPPING SWING…..4190
H-25 EXCESSIVE HYDRAULIC DRIFT OF SWING…..4191
H-26 WHEN OPERATED SIMULTANEOUSLY WITH ARM, SWING SPEED IS SLOW…..4191
TROUBLESHOOTING OF MONITOR SYSTEM (P MODE)…..4192
P-1 MONITOR PANEL LAMPS DO NOT LIGHT UP FOR 3 SECONDS WHEN STARTING SWITCH IS TURNED ON…..4193
a) NO MONITOR PANEL LAMPS LIGHT UP…..4193
b) SOME MONITOR PANEL LAMPS DO NOT LIGHT UP…..4193
P-2 MONITOR PANEL LAMPS ALL LIGHT UP WHEN STARTING SWITCH IS TURNED ON, BUT DO NOT GO OUT…..4194
P-3 PREHEATING IS NOT BEING USED, BUT (PREHEATING DISPLAY LIGHTS) UP…..4194
P-4 WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED), ENGINE OIL PRESSURE CAUTION LAMP LIGHTS UP…..4195
P-5 WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED), CAUTION ITEMS FLASH…..4196
P-6 WHEN STARTING SWITCH IS TURNED ON AND ENGINE IS STARTED, CAUTION ITEMS FLASH…..4197
a) (ENGINE OIL PRESSURE) FLASHES…..4197
b) (COOLANT TEMPERATURE) FLASHES…..4197
c) (CHARGE) FLASHES…..4198
d) (FUEL LEVEL) FLASHES…..4198
P-7 a) WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED), BUZZER DOES NOT SOUND FOR 1 SECOND CAUTION ITEMS IS FLASHING BUT BUZZER DOES NOT SOUND…..4199
P-7 b) THERE IS NO ABNORMALITY DISPLAY ON THE MONITOR, BUT THE BUZZER SOUNDS…..4199
P-8 PANEL LIGHTING OF MONITOR PANEL DOES NOT LIGHT UP…..4200
P-9 COOLANT TEMPERATURE SHOWS ABNORMALLY LOW TEMPERATURE…..4201
P-10 COOLANT TEMPERATURE GAUGE GIVES NO DISPLAY…..4201
P-11 FUEL GAUGE ALWAYS DISPLAYS FULL…..4202
P-12 FUEL GAUGE GIVES NO DISPLAY…..4202
P-13 a) LAMPS DO NOT LIGHT UP…..4203
P-13 b) LAMPS LIGHT UP EVEN WHEN LAMP SWITCH IS NOT OPERATED…..4203
P-14 a) WIPERS DO NOT WORK…..4205
P-14 b) WIPERS WORK EVEN WHEN WIPER SWITCH IS NOT OPERATED…..4205
P-15 a) FAN DOES NOT WORK…..4207
P-15 b) FAN WORKS EVEN WHEN FAN SWITCH IS NOT OPERATED…..4207
P-16 POWER SET DOES NOT SWITCH…..4209
P-17 AUTO-DECELERATION DOES NOT SWITCH (DOES NOT ENTER AUTO-DECELERATION; AUTO-DECELERATION IS NOT CANCELED)…..4210
P-18 TRAVEL SPEED DOES NOT SWITCH BETWEEN HI AND LO…..4211
P-19 WARNING-UP OPERATION IS NOT CARRIED OUT BELOW 30℃, OR WARMING-UP OPERATION IS NOT CANCELED EVEN WHEN TEMPERATURE GOES ABOVE 30℃…..4212
P-20 EVEN WHEN SWING LOCK SWITCH IS TURNED ON (LOCK), SWING LOCK LAMP ON MONITOR PANEL DOES NOT LIGHT UP…..4213
P-21 COOLANT TEMPERATURE SENSOR SYSTEM DEFECTIVE…..4214
P-22 FUEL LEVEL SENSOR SYSTEM DEFECTIVE…..4215
30 DISASSEMBLY AND ASSEMBLY…..4216
METHOD OF USING MANUAL…..4218
PRECATIONS WHEN CARRYING OUT OPERATION…..4219
SPECIAL TOOL LIST…..4221
WEIGHT TABLE…..4223
TIGHTENING TORQUES AND STANDARD VALUES TABLE…..4224
LUBRICANT AND COOLANT TABLE…..4226
STARTING MOTOR…..4227
REMOVAL…..4227
INSTALLATION…..4227
ALTERNATOR…..4227
REMOVAL…..4227
INSTALLATION…..4227
FUEL INJECTION PUMP…..4229
REMOVAL…..4229
INSTALLATION…..4229
WATER PUMP…..4231
REMOVAL…..4231
INSTALLATION…..4231
NOZZLE HOLDER…..4231
REMOVAL…..4231
INSTALLATION…..4231
THERMOSTAT…..4233
REMOVAL…..4233
INSTALLATION…..4233
ENGINE FRONT SEAL…..4233
REMOVAL…..4233
INSTALLATION…..4233
ENGINE REAR SEAL…..4235
REMOVAL…..4235
INSTALLATION…..4235
GOVERNOR MOTOR…..4235
REMOVAL…..4235
INSTALLATION…..4235
CYLINDER HEAD…..4237
REMOVAL…..4237
INSTALLATION…..4237
RADIATOR, HYDRAULIC COOLER…..4239
REMOVAL…..4239
INSTALLATION…..4239
ENGINE, HYDRAULIC PUMP…..4241
REMOVAL…..4241
INSTALLATION…..4241
PTO…..4243
REMOVAL…..4243
INSTALLATION…..4243
DISASSEMBLY…..4243
ASSEMBLY…..4243
CENTER SWIVEL JOINT…..4245
REMOVAL…..4245
INSTALLATION…..4245
DISASSEMBLY…..4245
ASSEMBLY…..4245
TRAVEL MOTOR…..4247
REMOVAL…..4247
INSTALLATION…..4247
SPROCKET…..4247
REMOVAL…..4247
INSTALLATION…..4247
SWING MOTOR…..4249
REMOVAL…..4249
INSTALLATION…..4249
DISASSEMBLY…..4250
ASSEMBLY…..4253
SWING MACHINERY…..4258
REMOVAL…..4258
INSTALLATION…..4258
DISASSEMBLY…..4259
ASSEMBLY…..4261
REVOLVING FRAME…..4265
REMOVAL…..4265
INSTALLATION…..4265
SWING CIRCLE…..4265
REMOVAL…..4265
INSTALLATION…..4265
IDLER, RECOIL SPRING…..4267
REMOVAL…..4267
INSTALLATION…..4267
DISASSEMBLY…..4269
ASSEMBLY…..4269
TRACK ROLLER…..4271
REMOVAL…..4271
INSTALLATION…..4271
CARRIER ROLLER…..4271
REMOVAL…..4271
INSTALLATION…..4271
TRACK SHOE…..4273
REMOVAL…..4273
INSTALLATION…..4273
CHARGING PUMP…..4273
REMOVAL…..4273
INSTALLATION…..4273
HYDRAULIC PUMP…..4275
REMOVAL…..4275
INSTALLATION…..4275
DISASSEMBLY…..4276
ASSEMBLY…..4280
MAIN PUMP INPUT SHAFT OIL SEAL…..4291
REMOVAL…..4291
INSTALLATION…..4291
L.H. 6-SPOOL CONTROL VALVE…..4292
REMOVAL…..4292
INSTALLATION…..4292
R.H. 5-SPOOL CONTROL VALVE…..4292
REMOVAL…..4292
INSTALLATION…..4292
CONTROL VALVE…..4294
DISASSEMBLY…..4294
ASSEMBLY…..4294
MAIN RELIEF VALVE…..4296
REMOVAL…..4296
INSTALLATION…..4296
DISASSEMBLY…..4298
ASSEMBLY…..4298
SERVO VALVE…..4300
REMOVAL…..4300
INSTALLATION…..4300
WORK EQUIPMENT PPC VALVE…..4300
REMOVAL…..4300
INSTALLATION…..4300
DISASSEMBLY…..4302
ASSEMBLY…..4302
PPC VALVE…..4304
DISASSEMBLY…..4304
ASSEMBLY…..4305
PPC SHUTTLE VALVE…..4306
REMOVAL…..4306
INSTALLATION…..4306
BOOM CYLINDER…..4308
REMOVAL…..4308
INSTALLATION…..4308
ARM CYLINDER…..4308
REMOVAL…..4308
INSTALLATION…..4308
BUCKET CYLINDER…..4310
REMOVAL…..4310
INSTALLATION…..4310
HYDRAULIC CYLINDER…..4312
DISASSEMBLY…..4312
ASSEMBLY…..4314
WORK EQUIPMENT…..4316
REMOVAL…..4316
INSTALLATION…..4316
BUCKET…..4318
REMOVAL…..4318
INSTALLATION…..4318
ARM…..4318
REMOVAL…..4318
INSTALLATION…..4318
ARM, BUCKET…..4320
REMOVAL…..4320
INSTALLATION…..4320
BOOM…..4320
REMOVAL…..4320
INSTALLATION…..4320
OPERATOR'S CAB…..4322
REMOVAL…..4322
INSTALLATION…..4322
COUNTERWEIGHT…..4322
REMOVAL…..4322
INSTALLATION…..4322
ENGINE THROTTLE CONTROLLER…..4324
REMOVAL…..4324
INSTALLATION…..4324
SYSTEM CONTROLLER…..4324
REMOVAL…..4324
INSTALLATION…..4324
MONITOR PANEL…..4324
REMOVAL…..4324
INSTALLATION…..4324
40 MAINTENANCE STANDARD…..4326
SWING CIRCLE…..4327
SWING MACHINERY…..4328
TRACK FRAME…..4329
SPROCKET…..4331
IDLER…..4333
TRACK ROLLER…..4335
CARRIER ROLLER…..4337
TRACK SHOE…..4338
HYDRAULIC PUMP…..4342
CHARGING PUMP AND RELIEF VALVE…..4343
BLADE PUMP…..4344
L.H. 6-SPOOL CONTROL VALVE…..4345
R.H. 5-SPOOL CONTROL VALVE…..4353
BLADE CONTROL VALVE…..4365
SWING MOTOR…..4366
CENTER SWIVEL JOINT…..4367
PPC VALVE…..4369
HYDRAULIC CYLINDER…..4371
WORK EQUIPMENT…..4373
Komatsu Hydraulic Excavator PC60, PC60L, PC60U, PC60B, PC90 Repair Service Manual + Operation & Maintenance Manuals
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