INSTANT DOWNLOAD
Complete service repair manual with Electrical Wiring Diagrams for Komatsu Wheeled Excavator PW170ES-6K, with all the technical information to maintain, diagnose, repair, and rebuild like professional mechanics.
Komatsu Wheeled Excavator PW170ES-6K 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.
PRODUCT DETAILS:
Total Pages: 3,088 pages
File Format: PDF
Language: English
UEBM000500 – Wheeled Excavator PW170ES-6K Shop Manual.pdf
UEBM000801 – Wheeled Excavator PW170ES-6K Shop Manual.pdf
UEBM001001 – Wheeled Excavator PW170ES-6K Shop Manual.pdf
EEAM010501 – Wheeled Excavator PW170ES-6 Operation & Maintenance Manual.pdf
UEAM000502 – Wheeled Excavator PW170ES-6K Operation & Maintenance Manual.pdf
UEAM000701 – Wheeled Excavator PW170ES-6 Operation & Maintenance Manual.pdf
UEAM000702 – Wheeled Excavator PW170ES-6K Operation & Maintenance Manual.pdf
MAIN SECTIONS
EEAM010501 – Wheeled Excavator PW170ES-6 Operation & Maintenance Manual….2
COVER….2
1. FOREWORD….3
2. SAFETY INFORMATION….4
3. INTRODUCTION….6
4. LOCATION OF PLATES, TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR….7
5. CONTENTS….9
SAFETY….13
6. GENERAL PRECAUTIONS….14
7. PRECAUTIONS DURING OPERATION….20
7.1 BEFORE STARTING ENGINE….20
7.2 OPERATION MACHINE….22
7.3 TRANSPORATION….27
7.4 BATTERY….28
7.5 TOWING….29
7.6 BUCKET WITH HOOK….30
8. PRECAUTIONS FOR MAINTENANCE….33
8.1 BEFORE CARRYING OUT MAINTENANCE….33
8.2 DURING MAINTENANCE….36
9. POSITION FOR ATTACHING SAFETY LABELS….40
9A. LIFTING CAPACITIES….45
OPERATION….51
10. GENERAL VIEW….52
10.1 GENERAL VIEW OF MACHINE….52
10.2 GENERAL VIEW OF CONTROLS AND GAUGES….53
11. EXPLANATION OF COMPONENTS….54
11.1 MACHINE MONITOR….54
11.2 SWITCHES….65
11.3 CONTROL LEVERS, PEDALS….74
11.4 ROOF HATCH….76
11.5 FRONT WINDOW….77
11.6 DOOR LOCK….79
11.7 CAP, COVER WITH LOCK….80
11.8 FUSE….81
11.9 LUGGAGE TRAY….82
11.10 ASHTRAY….82
11.11 HEATER….82
11.12 AIR CONDITIONER ….83
11.13 FUSIBLE LINK….86
11.14 CONTROLLER….86
11.15 TOOL BOX….86
11.16 REFUELLING PUMP….86
11.17 CAR RADIO….87
11.18 POWER SUPPLY SOCKET….91
11.19 CAB RADIO….92
11.20 WARNING LAMPS….94
11.21 HANDLING THE ACCUMULATORS….95
12. OPERATION….97
12.1 CHECK BEFORE STARTING ENGINE….97
12.2 STARTING ENGINE….107
12.3 OPERATIONS AND CHECKS AFTER STARTING ENGINE….110
12.4 MOVING MACHINE OFF….116
12.5 STEERING MACHINE….119
12.6 STOPPING MACHINE….120
12.7 SWINGING….121
12.8 OPERATION OF WORK EQUIPMENT….122
12.9 WORKING MODE SELECTION….123
12.10 PROHIBITIONS FOR OPERATION….125
12.11 PRECAUTIONS FOR OPERATION….127
12.12 PRECAUTIONS WHEN TRAVELING UP OR DOWN HILLS….128
12.13 HOW TO ESCAPE FROM MUD….130
12.14 WORK POSSIBLE USING HYDRAULIC ECAVATOR….131
12.15 REPLACEMENT AND INVERSION OF BUCKET….132
12.16 PARKING THE MACHINE….134
12.17 CHECK AFTER FINISHING WORK….135
12.18 STOPPING ENGINE….136
12.19 CHECK AFTER STOPPING ENGINE….137
12.20 LOCKING….137
12.21 HANDLING THE WHEELS….138
13. TRANSPORATION….143
13.1 LOADING, UNLOADING WORK ….143
13.2 PRECAUTIONS FOR LOADING….145
13.3 PRECAUTIONS FOR TRANSPORATION….146
13.4 TRAVELLING POSTURE….148
14. COLD WEATHER OPERATION….150
14.1 PRECAUTIONS FOR LOW TEMPERATURE….150
14.2 PRECAUTIONS AFTER COMPLETION OF WORK….151
14.3 AFTER COLD WEATHER….151
15. LONG-TERM STORAGE….152
15.1 BEFORE STORAGE….152
15.2 DURING STORAGE….153
15.3 AFTER STORAGE….153
15.4 STARTING MACHINE AFTER LONG-TERM STORAGE….153
16. TROUBLESHOOTING….154
16.1 PHENOMENA THAT ARE NOT FAILURES….154
16.2 METHOD OF TOWING MACHINE….154
16.3 PRECAUTIONS ON PARTICULAR JOBSITES….155
16.4 IF BATTERY IS DISCHARGED….155
16.5 OTHER TROUBLE….159
MAINTENANCE….165
17. GUIDES TO MAINTENANCE….166
18. OUTLINES OF SERVICE….168
18.1 OUTLINE OF OIL, FUEL, COOLANT….168
18.2 OUTLINE OF ELECTRIC SYSTEM….171
18.3 OUTLINE OF HYDRAULIC SYSTEM….172
19. WEAR PARTS LIST….173
20. USE FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE….174
21. STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS….178
21.1 INTRODUCTION OF NECESSARY TOOLS….178
21.2 TORQUE LIST….179
22. PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS….180
23. MAINTENANCE SCHEDULE CHART….182
23.1 MAINTENANCE SCHEDULE CHART….182
23.2 MAINTENANCE WHEN USING HYDRAULIC BREAKER….184
23.3 EXPLANATION OF LUBRICATION DECAL….185
24. SERVICE PROCEDURE….188
24.1 WHEN REQUIRED….188
24.2 CHECK BEFORE STARTING….207
24.3 EVERY 100 HOURS SERVICE….213
24.4 EVERY 250 HOURS SERVICE….218
24.5 EVERY 500 HOURS SERVICE….226
24.6 EVERY 1000 HOURS SERVICE….232
24.7 EVERY 2000 HOURS SERVICE….237
24.8 EVERY 4000 HOURS SERVICE….243
SPECIFICATIONS….245
25. SPECIFICATIONS….246
25.1 MACHINE SPECIFICATIONS….247
OPTIONS, ATTACHMENTS….253
26. GENERAL PRECAUTIONS….254
26.1 PRECAUTIONS RELATED TO SAFETY….254
26.2 PRECAUTIONS WHEN INSTALLING ATTACHMENTS….255
27. HANDLING BUCKET WITH HOOK….256
27.1 CHECKING FOR DAMAGE TO BUCKET WITH HOOK….256
27.2 PROHIBITED OPERATIONS….256
27.3 PRECAUTIONS DURING OPERATIONS….256
28. MACHINES READY FOR ATTACHEMENTS….257
28.1 GENERAL LOCATIONS….257
28.2 HANDLING THE CLAMSHELL BUCKET….259
28.3 OPERATION….260
29. INTRODUCTION OF ATTACHMENTS….261
29.1 SPECIFICATION, USE….261
29.2 ATTACHMENT INSTALLATION COMBINATION TABLE….262
29.3 SELECTION OF BUCKET TEETH….263
29.4 HANDLING ACCUMULATOR….264
29.5 LONG-TERM STORAGE….265
29.6 SPECIFICATIONS….265
30. EXTENDING MACHINE SERVICE LIFE….266
30.1 HYDRAULIC BREAKER….266
30.2 POWER RIPPER….269
30.3 FORK GRAB….270
30.4 GRAPPLE BUCKET….271
30.5 SCRAP GRAPPLE….272
30.6 CRUSHER & SMASHER….273
30.7 HYDRAULIC PILE DRIVE….274
30.8 HYDRAULIC EXCAVATOR WITH MULTIPURPOSE CRANE….275
UEAM000502 – Wheeled Excavator PW170ES-6K Operation & Maintenance Manual….278
FOREWORD….280
SAFETY INFORMATION….281
SAFETY MESSAGES….281
NOISE….282
VIBRATION….284
EMERGENCY STEERING….284
INTRODUCTION….285
INTENDED USE….285
Features….285
BREAKING IN YOUR NEW MACHINE….285
LOCATIONS OF PLATES, TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR….287
MACHINE SERIAL NO. PLATE POSITION….287
ENGINE SERIAL NO. PLATE POSITION….287
TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR….287
MACHINE SERIAL PLATES….288
STANDARD SERIAL PLATE….288
GERMANY SERIAL PLATE….288
ITALIAN SERIAL PLATE….288
SAFETY….294
GENERAL PRECAUTIONS….295
PRECAUTION DURING OPERATION….301
BEFORE STARTING ENGINE….301
OPERATING MACHINE….302
TRANSPORTATION….307
BATTERY….308
TOWING….309
BUCKET WITH HOOK OR BUCKET LINK….311
GENERAL PRECAUTIONS….311
PRECAUTIONS FOR LIFTING OPERATION….312
PRECAUTIONS FOR MAINTENANCE….314
BEFORE CARRYING OUT MAINTENANCE….314
DURING MAINTENANCE….317
POSITION FOR ATTACHING SAFETY LABELS….320
POSITION FOR ATTACHING SAFETY LABELS….320
OPERATION….338
GENERAL VIEW….339
GENERAL VIEW OF MACHINE….339
GENERAL VIEW OF CONTROLS AND GAUGES….340
EXPLANATION OF COMPONENTS….342
MACHINE MONITOR….342
A. BASIC CHECK ITEMS….342
B. CAUTION ITEMS….343
C. EMERGENCY STOP ITEMS….343
D. METER DISPLAY PORTION….343
E. SWITCHES….343
A: BASIC CHECK ITEMS….344
B: CAUTION ITEMS….345
C: EMERGENCY STOP ITEMS….346
D: METER DISPLAY PORTION….347
E: SWITCHES….350
SWITCHES….353
CONTROL LEVERS, PEDALS….363
ROOF HATCH….366
CLEAR RAIN VISOR….367
PULL DOWN SUN VISOR….367
FRONT WINDOW….368
DOOR LOCK….371
CAP, COVER WITH LOCK….372
METHOD OF OPENING AND CLOSING CAP WITH LOCK (For the fuel tank filler port)….372
METHOD OF OPENING AND CLOSING COVER WITH LOCK (cover with Iock)….372
FUSE….373
LUGGAGE TRAY….374
ASHTRAY….374
CUP HOLDER….374
HEATER….374
VIEW OF CONTROL PANEL….374
AIR CONDITIONER….376
VIEW OF CONTROL PANEL….376
PRECAUTION WHEN USING AIR CONDITIONER….378
FUSIBLE LINK….379
CONTROLLERS….379
TOOL BOX….379
REFUELLING PUMP….379
CAB RADIO (OPTION)….380
PRECAUTION OF USE….380
WARNING LAMPS….381
HANDLING THE ACCUMULATOR….382
OPERATION….384
CHECK BEFORE STARTING ENGINE….384
WALK-AROUND CHECK….384
CHECK BEFORE STARTING….386
ADJUSTMENT BEFORE OPERATION OPERATORS SEAT….390
OPERATIONS AND CHECKS BEFORE STARTING ENGINE….391
STARTING ENGINE….393
NORMAL STARTING….393
STARTING IN COLD WEATHER….394
OPERATIONS AND CHECKS AFTER STARTING ENGINE….396
WHEN NORMAL….396
IN COLD AREAS (AUTOMATIC WARMING-UP OPERATION)….398
MOVING MACHINE OFF….402
MOVING MACHINE FORWARD….402
STEERING….404
STOPPING….406
STOPPING MACHINE (NORMAL)….406
STOPPING MACHINE (EMERGENCY)….406
SWINGING (Slewing the upper carriage)….407
OPERATION OF WORK EQUIPMENT….408
WORKING MODE SELECTION….409
PROHIBITIONS FOR OPERATION….411
PRECAUTIONS FOR OPERATION….412
PRECAUTIONS WHEN TRAVELING UP OR DOWN HILLS….413
HOW TO ESCAPE FROM MUD….414
WHEN ONE SIDE IS STUCK….414
WHEN BOTH SIDES ARE STUCK….415
WORK POSSIBLE USING HYDRAULIC EXCAVATOR….415
BACKHOE WORK….415
SHOVEL WORK….415
DITCHING WORK….416
LOADING WORK….416
REPLACEMENT AND INVERSION OF BUCKET….416
REPLACEMENT….416
INVERSION….417
PARKING MACHINE….419
CHECK AFTER FINISHING WORK….420
STOPPING ENGINE….420
CHECK AFTER STOPPING ENGINE….421
LOCKING….421
OVERLOAD WARNING DEVICE….421
HANDLING THE WHEELS….422
TRANSPORTATION….427
LOADING, UNLOADING WORK….427
PRECAUTIONS FOR LOADING….429
HOW TO LIFT THE MACHINE….430
PRECAUTIONS FOR TRANSPORTATION….431
TRAVELLING POSTURE….432
COLD WEATHER OPERATION….433
PRECAUTIONS FOR LOW TEMPERATURE….433
FUEL AND LUBRICANTS….433
COOLANT….433
BATTERY….434
PRECAUTIONS AFTER COMPLETION OF WORK….434
AFTER COLD WEATHER….435
LONG-TERM STORAGE….436
BEFORE STORAGE….436
DURING STORAGE….436
AFTER STORAGE….437
STARTING MACHINE AFTER LONG-TERM STORAGE….437
TROUBLESHOOTING….438
PHENOMENA THAT ARE NOT FAILURES….438
METHOD OF TOWING MACHINE….439
PRECAUTIONS ON PARTICULAR JOBSITES….439
IF BATTERY IS DISCHARGED….440
STARTING ENGINE WITH BOOSTER CABLE….440
OTHER TROUBLE….442
ELECTRICAL SYSTEM….442
CHASSIS….443
ENGINE….443
ELECTRONIC CONTROL SYSTEM….445
MAINTENANCE….446
GUIDES TO MAINTENANCE….447
OUTLINES OF SERVICE….450
OUTLINE OF OIL, FUEL, COOLANT….450
OIL….450
FUEL….451
COOLANT….451
GREASE….452
STORING OIL AND FUEL….452
FILTERS….452
OUTLINE OF ELECTRIC SYSTEM….453
OUTLINE OF HYDRAULIC SYSTEM….453
WEAR PARTS LIST….455
USE FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE….456
PROPER SELECTION OF FUEL, COOLANT AND LUBRICANTS….456
USE FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE CONT….457
STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS….460
INTRODUCTION OF NECESSARY TOOLS….460
TORQUE LIST….461
PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS….462
SAFETY CRITICAL PARTS….463
MAINTENANCE SCHEDULE CHART….464
MAINTENANCE WHEN USING HYDRAULIC BREAKER….469
SERVICE PROCEDURE….470
INITIAL 250 HOURS SERVICE….470
WHEN REQUIRED….471
CHECK, CLEAN AND REPLACE THE AIR CLEANER ELEMENT….471
CLEAN INSIDE OF COOLING SYSTEM….472
CHECKING COOLANT LEVEL….475
DRAINING THE SYSTEM….475
CLEANING THE SYSTEM….475
FILLING THE SYSTEM….476
REFILLING AN OVERHEATED SYSTEM….476
CLEANING THE RADIATOR….477
CLEANING THE RADIATOR PRE-SCREEN….477
THERMOSTATS….477
FAN….478
CHECK AND TIGHTEN WHEEL NUTS….478
CHECK ELECTRICAL INTAKE AIR HEATER….478
CHECK ALTERNATOR….478
CHECK START MOTOR….479
REPLACE BUCKET SIDE CUTTERS….479
REPLACE BUCKET TEETH….480
ADJUST BUCKET CLEARANCE….480
CHECK WINDOW WASHER FLUID LEVEL, ADD FLUID….481
CHECK AND ADJUST AIR CONDITIONER….481
DRAIN ENGINE BREATHER OIL CATCHER….482
CHECK BEFORE STARTING….483
CHECK COOLANT LEVEL, ADD WATER….483
CHECK OIL LEVEL IN ENGINE OIL PAN, ADD OIL….483
CHECK FUEL LEVEL, ADD FUEL….484
CHECK OIL LEVEL IN HYDRAULIC TANK, ADD OIL….485
CHECK AIR CLEANER FOR CLOGGING….485
CHECK ELECTRIC WIRING….486
CHECK FOR WATER AND SEDIMENT IN SEDIMENTOR. DRAIN WATER AND SEDIMENT….486
EVERY 50 HOURS….487
DRAIN WATER AND SEDIMENT FROM FUEL TANK….487
EVERY 100 HOURS SERVICE….487
LUBRICATING….487
CHECK OIL LEVEL IN SWING MACHINERY CASE, ADD OIL….491
CLEAN FRESH AIR INTAKE FILTER….491
EVERY 250 HOURS SERVICE….492
CHECK OIL LEVEL IN WHEEL HUBS, ADD OIL….492
CHECK OIL LEVEL IN AXLES, ADD OIL….493
CHECK OIL LEVEL IN TRANSMISSION, ADD OIL….493
CHECK LEVEL OF BATTERY ELECTROLYTE….494
LUBRICATE SWING CIRCLE (2 points)….494
BELTS, GENERAL….494
CHECK FAN BELT TENSION, ADJUST CHECKING TENSION….495
REPLACEMENT….496
CHECK ALTERNATOR AND WATER PUMP BELT TENSION, ADJUST CHECKING TENSION….496
CHECK AND ADJUST TENSION OF AIR CONDITIONER COMPRESSOR BELT….497
EVERY 500 HOURS SERVICE….498
REPLACE FUEL FILTER CARTRIDGES….498
CHECK SWING PINION GREASE LEVEL, ADD GREASE….500
CHANGE OIL IN ENGINE OIL PAN, REPLACE ENGINE OIL FILTER CARTRIDGE….501
CLEAN AND INSPECT RADIATOR FINS, OIL COOLER FINS AND CONDENSER FINS (ONLY FOR MACHINES EQUIPPED W…..502
REPLACE HYDRAULIC TANK BREATHER ELEMENT….503
REPLACE HYDRAULIC FILTER ELEMENT….503
EVERY 1000 HOURS SERVICE….504
CHANGE OIL IN SWING MACHINERY CASE….504
CHECK ALL TIGHTENING PARTS OF TURBOCHARGER….505
CHECK PLAY OF TURBOCHARGER ROTOR….505
CHECK & ADJUST VALVE CLEARANCE….505
CHECK FAN BELT TENSIONER BEARING BELT AND FAN HUB….507
CHECK FAN BELT TENSION….507
EVERY 2000 HOURS SERVICE….508
CLEAN HYDRAULIC TANK STRAINER….508
CLEAN, CHECK TURBOCHARGER….508
CHECK ALTERNATOR, STARTING MOTOR….508
CHECK VIBRATION DAMPER….509
CHANGE OIL IN AXLES….509
CHANGE OIL IN HUBS….510
CHANGE OIL IN TRANSMISSION ASSEMBLY….510
CHANGE ANTIFREEZE….510
CHECK AND ADJUST VALVE CLEARANCE….510
EVERY 4000 HOURS SERVICE….511
CHECK WATER PUMP….511
EVERY 5000 HOURS SERVICE….511
CHANGE OIL IN HYDRAULIC TANK….511
SPECIFICATIONS….516
SPECIFICATIONS….517
1 – PIECE BOOM….518
2 – PIECE BOOM….519
1 PIECE BOOM AND 2 PC BOOM UNDERCARRIAGE VARIATIONS….520
WORKING RANGE: ONE PIECE BOOM….521
WORKING RANGE: TWO PIECE BOOM….522
WORKING RANGE: ONE PIECE BOOM (with front dozer fitted)….523
WORKING RANGE: TWO PIECE BOOM….524
OPTIONS, ATTACHMENTS….526
GENERAL PRECAUTIONS….527
PRECAUTIONS RELATED TO SAFETY….527
PRECAUTIONS WHEN INSTALLING ATTACHMENTS….528
HANDLING BUCKET WITH HOOK….529
CHECKING FOR DAMAGE TO BUCKET WITH HOOK….529
PROHIBITED OPERATIONS….529
PRECAUTIONS DURING OPERATIONS….529
MACHINES READY FOR ATTACHMENTS….530
GENERAL LOCATIONS….530
HANDLING THE CLAMSHELL BUCKET….532
How to install clamshell bucket….532
How to operate….532
OPERATION….533
WHEN USING BREAKER….533
HANDLING ACCUMULATOR….535
METHOD FOR RELEASING PRESSURE IN CONTROL CIRCUIT OF MACHINES EQUIPPED WITH ACCUMULATOR….535
LONG-TERM STORAGE….536
SPECIFICATIONS….536
INTRODUCTION OF ATTACHMENTS AND EXTENDING MACHINE SERVICE LIFE….537
HYDRAULIC BREAKER….537
POWER RIPPER….540
FORK GRAB….541
GRAPPLE BUCKET….542
SCRAP GRAPPLE….543
CRUSHER & SMASHER….545
HYDRAULIC PILE DRIVER….546
HYDRAULIC EXCAVATOR WITH MULTIPURPOSE CRANE….547
ROTATING ARM….549
GENERAL LOCATION AND SPECIFICATIONS….549
GENERAL VIEW OF CONTROLS….550
LEFT WORK EQUIPMENT CONTROL LEVER (with auto-deceleration device)….550
RIGHT WORK EQUIPMENT CONTROL LEVER (with auto-deceleration device)….551
ARM ROTATION CONTROL….551
UPPER BOOM CONTROL PEDAL….552
PEDAL LOCK FOR BOOM ADJUST….552
EXCAVATORS WORK….552
REPLACEMENT OF BUCKET….553
HANDLING THE TRAPEZOIDAL BUCKET (If equipped)….555
TRAVELLING POSTURE….556
MAINTENANCE REQUIREMENT….557
EVERY 100 HOURS SERVICE….558
EVERY 250 HOURS SERVICE….558
EVERY 1000 HOURS SERVICE….559
UEAM000701 – Wheeled Excavator PW170ES-6 Operation & Maintenance Manual….560
COVER….560
1. FOREWARD….564
2. SAFETY INFORMATION….565
3. INTRODUCTION….567
4. LOCATION OF PLATES, TABLE TO ENTER SERIAL 4. NO. AND DISTRIBUTOR….568
5. CONTENTS….570
SAFETY….574
6. GENERAL PRECAUTIONS….575
7. PRECAUTIONS DURING OPERATION….581
7.1 BEFORE STARTING ENGINE….581
7.2 OPERATING MACHINE….583
7.3 TRANSPORTATION….588
7.4 BATTERY….589
7.5 TOWING….590
7.6 BUCKET WITH HOOK….591
8. PRECAUTIONS FOR MAINTENANCE….594
8.1 BEFORE CARRYING OUT MAINTENANCE….594
8.2 DURING MAINTENANCE….597
9. POSITION FOR ATTACHING SAFETY LABELS….601
10. LIFTING CAPACITIES….606
OPERATION….612
11. GENERAL VIEW….613
11.1 GENERAL VIEW OF MACHINE….613
11.2 GENERAL VIEW OF CONTROLS AND GAUGES….614
12. EXPLANATION OF COMPONENTS….615
12.1 MACHINE MONITOR….615
12.2 SWITCHES….626
12.3 CONTROL LEVERS, PEDALS….635
12.4 ROOF HATCH….637
12.5 FRONT WINDOW….638
12.6 DOOR LOCK….640
12.7 CAP, COVER WITH LOCK….641
12.8 FUSE….642
12.9 LUGGAGE TRAY….643
12.10 ASHTRAY….643
12.11 HEATER….643
12.12 AIR CONDITIONER….645
12.13 FUSIBLE LINK….648
12.14 CONTROLLER….648
12.15 TOOLBOX….648
12.16 REFUELLING PUMP….648
12.17 CAR RADIO….649
12.18 POWER SUPPLY SOCKET….653
12.19 WARNING LAMPS….654
12.20 HANDLING THE ACCUMULATORS….655
13. OPERATION….657
13.1 CHECK BEFORE STARTING ENGINE….659
13.2 STARTING ENGINE….666
13.3 OPERATIONS AND CHECKS AFTER STARTING ENGINE….669
13.4 MOVING MACHINE OFF….675
13.5 STEERING MACHINE….678
13.6 STOPPING MACHINE….679
13.7 SWINGING….680
13.8 OPERATION OF WORK EQUIPMENT….682
13.9 WORKING MODE SELECTION….682
13.10 PROHIBITIONS FOR OPERATION….684
13.11 PRECAUTIONS FOR OPERATION….686
13.12 PRECAUTIONS WHEN TRAVELING UP OR DOWN HILLS….687
13.13 HOW TO ESCAPE FROM MUD….689
13.14 WORK POSSIBLE USING HYDRAULIC EXCAVATOR….690
13.15 REPLACEMENT AND INVERSION OF BUCKET….691
13.16 PARKING THE MACHINE….693
13.17 CHECK AFTER FINISHING WORK….694
13.18 STOPPING ENGINE….695
13.19 CHECK AFTER STOPPING ENGINE….696
13.20 LOCKING….696
13.21 HANDLING THE WHEELS….697
14. TRANSPORTATION….702
14.1 LOADING, UNLOADING WORK….702
14.2 PRECAUTIONS FOR LOADING….704
14.3 PRECAUTIONS FOR TRANSPORTATION….706
14.4 TRAVELLI NG POSTURE….708
15. COLD WEATHER OPERATION….710
15.1 PRECAUTION FOR LOW TEMPERATURE….710
15.2 PRECAUTIONS AFTER COMPLETION OF WORK….711
15.3 AFTER COLD WEATHER….711
16. LONG-TERM STORAGE….712
16.1 BEFORE STORAGE….712
16.2 DURING STORAGE….713
16.3 AFTER STORAGE….713
16.4 STARTING MACHINE AFTER LONG-TERM STORAGE….713
17. TROUBLESHOOTING….714
17.1 PHENOMENA THAT ARE NOT FAILURES….714
17.2 METHOD OF TOWING MACHINE….714
17.3 PRECAUTIONS ON PARTICULAR JOBSITES….715
17.4 IF BATTERY IS DISCHARGED….715
17.5 OTHER TROUBLE….719
MAINTENANCE….724
18. GUIDES TO MAINTENANCE….725
19. OUTLINES OF SERVICE….727
19.1 OUTLINE OF OIL, FUEL, COOLANT….727
19.2 OUTLINE OF ELECTRIC SYSTEM….730
19.3 OUTLINE OF HYDRAULIC SYSTEM….731
20. WEAR PARTS LIST….732
21. USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE….733
22. STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS….737
22.1 INTRODUCTION OF NECESSARY TOOLS….737
22.2 TORQUE LIST….738
23. PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS….739
24. MAINTENANCE SCHEDULE CHART….741
24.1 MAINTENANCE SCHEDULE CHART….741
24.2 MAINTENANCE INTERVAL WHEN USING HYDRAULIC BREAKER….746
25. SERVICE PROCEDURE….747
25.0 INITIAL 250 HOURS SERVICE….747
25.1 WHEN REQUIRED….748
25.2 CHECK BEFORE STARTING….767
25.3 EVERY 50 HOURS SERVICE….771
25.4 EVERY 100 HOURS SERVICE….772
25.5 EVERY 250 HOURS SERVICE….777
25.6 EVERY 500 HOURS SERVICE….784
25.7 EVERY 1000 HOURS SERVICE….791
25.8 EVERY 2000 HOURS SERVICE….796
25.9 EVERY 4000 HOURS SERVICE….799
25.10 EVERY 5000 HOURS SERVICE….800
SPECIFICATIONS….804
26. SPECIFICATIONS….805
26.1 MACHINE SPECIFICATIONS….805
26.2 WORKING RANGES….809
OPTIONS AND ATTACHMENTS….812
27. GENERAL PRECAUTIONS….813
27.1 GENERAL PRECAUTIONS RE3LATED TO SAFETY….813
27.2 PRECAUTIONS WHEN INSTALLING ATTACHMENTS….814
28. HANDLING BUCKET WITH HOOK….815
28.1 CHECKING FOR DAMAGE TO BUCKET WITH HOOK….815
28.2 PROHIBITED OPERATIONS….815
28.3 PRECAUTIONS DURING OPERATIONS….815
29. MACHINE READY FOR ATTACHMENTS….816
29.1 GENERAL LOCATIONS….816
29.2 HANDLING CLAMSHELL BUCKET….818
29.3 OPERATION….819
30. INTRODUCTION OF ATTACHMENTS….820
30.1 SPECIFICATION – USE….820
30.2 ATTACHMENT INSTALLATION COMBINATION TABLE….821
30.3 SELECTION OF BUCKET TEETH….822
30.4 HANDLING ACCUMMULATOR….823
30.5 LONG-TERM STORAGE….824
30.6 SPECIFICATIONS….824
31. EXTENDING MACHINE SERVICE LIFE….825
31.1 HYDRAULIC BREAKER….825
31.2 POWER RIPPER….828
31.3 FORK GRAB….829
31.4 GRAPPLE BUCKET….830
31.5 SCRAP GRAPPLE….831
31.6 CRUSHER & CUTTER….832
31.7 HYDRAULIC PILE DRIVER….833
31.8 HYDRAULIC EXCAVATOR WITH MULTI-PURPOSE CRANE….834
31.9 QUICK COUPLER….835
31.10 ROTATING ARM….841
UEAM000702 – Wheeled Excavator PW170ES-6K Operation & Maintenance Manual….859
FOREWORD….861
SAFETY INFORMATION….863
SAFETY MESSAGES….863
NOISE….864
VIBRATION….864
EMERGENCY STEERING….865
INTRODUCTION….866
INTENDED USE….866
Features….866
BREAKING IN YOUR NEW MACHINE….867
LOCATIONS OF PLATES, TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR….868
MACHINE SERIAL NO. PLATE POSITION….868
ENGINE SERIAL NO. PLATE POSITION….868
TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR….868
MACHINE SERIAL PLATES….869
STANDARD SERIAL PLATE….869
SAFETY….875
GENERAL PRECAUTIONS….876
PRECAUTION DURING OPERATION….882
BEFORE STARTING ENGINE….882
OPERATING MACHINE….883
TRANSPORTATION….888
BATTERY….889
TOWING….890
BUCKET WITH HOOK OR BUCKET LINK….892
GENERAL PRECAUTIONS….892
PRECAUTIONS FOR LIFTING OPERATION….894
PRECAUTIONS FOR MAINTENANCE….895
BEFORE CARRYING OUT MAINTENANCE….895
DURING MAINTENANCE….898
POSITION FOR ATTACHING SAFETY LABELS….901
POSITION FOR ATTACHING SAFETY LABELS….901
LIFTING CAPACITIES….908
OPERATION….913
GENERAL VIEW….914
GENERAL VIEW OF MACHINE….914
GENERAL VIEW OF CONTROLS AND GAUGES….915
EXPLANATION OF COMPONENTS….917
MACHINE MONITOR….917
A. BASIC CHECK ITEMS….917
B. CAUTION ITEMS….918
C. EMERGENCY STOP ITEMS….918
D. METER DISPLAY PORTION….918
E. SWITCHES….918
A: BASIC CHECK ITEMS….919
B: CAUTION ITEMS….920
C: EMERGENCY STOP ITEMS….921
D: METER DISPLAY PORTION….922
E: SWITCHES….925
SWITCHES….928
CONTROL LEVERS, PEDALS….938
ROOF HATCH….941
CLEAR RAIN VISOR….942
PULL DOWN SUN VISOR….942
FRONT WINDOW….943
DOOR LOCK….946
CAP, COVER WITH LOCK….947
METHOD OF OPENING AND CLOSING CAP WITH LOCK (For the fuel tank filler port)….947
METHOD OF OPENING AND CLOSING COVER WITH LOCK (cover with Iock)….947
FUSE….948
LUGGAGE TRAY….949
ASHTRAY….949
CUP HOLDER….949
HEATER….949
VIEW OF CONTROL PANEL….949
AIR CONDITIONER….951
VIEW OF CONTROL PANEL….951
PRECAUTION WHEN USING AIR CONDITIONER….953
FUSIBLE LINK….954
CONTROLLERS….954
TOOL BOX….954
REFUELLING PUMP….954
CAR RADIO….955
EXPLANATION OF COMPONENTS….955
METHOD OF OPERATION….957
PRECAUTION OF USE….959
WARNING LAMPS….960
HANDLING THE ACCUMULATOR….961
OPERATION….963
CHECK BEFORE STARTING ENGINE….963
WALK-AROUND CHECK….963
CHECK BEFORE STARTING….965
ADJUSTMENT BEFORE OPERATION OPERATORS SEAT….969
OPERATIONS AND CHECKS BEFORE STARTING ENGINE….970
STARTING ENGINE….972
NORMAL STARTING….972
STARTING IN COLD WEATHER….973
OPERATIONS AND CHECKS AFTER STARTING ENGINE….975
WHEN NORMAL….975
IN COLD AREAS (AUTOMATIC WARMING-UP OPERATION)….977
MOVING MACHINE OFF….981
MOVING MACHINE FORWARD….981
STEERING….983
STOPPING….985
STOPPING MACHINE (NORMAL)….985
STOPPING MACHINE (EMERGENCY)….985
SWINGING (Slewing the upper carriage)….986
OPERATION OF WORK EQUIPMENT….987
WORKING MODE SELECTION….988
PROHIBITIONS FOR OPERATION….990
PRECAUTIONS FOR OPERATION….991
PRECAUTIONS WHEN TRAVELING UP OR DOWN HILLS….992
HOW TO ESCAPE FROM MUD….993
WHEN ONE SIDE IS STUCK….993
WHEN BOTH SIDES ARE STUCK….994
WORK POSSIBLE USING HYDRAULIC EXCAVATOR….994
BACKHOE WORK….994
SHOVEL WORK….994
DITCHING WORK….995
LOADING WORK….995
REPLACEMENT AND INVERSION OF BUCKET….995
REPLACEMENT….995
INVERSION….996
PARKING MACHINE….998
CHECK AFTER FINISHING WORK….999
STOPPING ENGINE….999
CHECK AFTER STOPPING ENGINE….1000
LOCKING….1000
OVERLOAD WARNING DEVICE….1000
HANDLING THE WHEELS….1001
TRANSPORTATION….1006
LOADING, UNLOADING WORK….1006
PRECAUTIONS FOR LOADING….1008
HOW TO LIFT THE MACHINE….1009
PRECAUTIONS FOR TRANSPORTATION….1010
TRAVELLING POSTURE….1011
COLD WEATHER OPERATION….1012
PRECAUTIONS FOR LOW TEMPERATURE….1012
FUEL AND LUBRICANTS….1012
COOLANT….1012
BATTERY….1013
PRECAUTIONS AFTER COMPLETION OF WORK….1013
AFTER COLD WEATHER….1014
LONG-TERM STORAGE….1015
BEFORE STORAGE….1015
DURING STORAGE….1015
AFTER STORAGE….1016
STARTING MACHINE AFTER LONG-TERM STORAGE….1016
TROUBLESHOOTING….1017
PHENOMENA THAT ARE NOT FAILURES….1017
METHOD OF TOWING MACHINE….1018
PRECAUTIONS ON PARTICULAR JOBSITES….1018
IF BATTERY IS DISCHARGED….1019
STARTING ENGINE WITH BOOSTER CABLE….1019
OTHER TROUBLE….1021
ELECTRICAL SYSTEM….1021
CHASSIS….1022
ENGINE….1022
ELECTRONIC CONTROL SYSTEM….1024
MAINTENANCE….1025
GUIDES TO MAINTENANCE….1026
OUTLINES OF SERVICE….1029
OUTLINE OF OIL, FUEL, COOLANT….1029
OIL….1029
FUEL….1030
COOLANT….1030
GREASE….1031
STORING OIL AND FUEL….1031
FILTERS….1031
OUTLINE OF ELECTRIC SYSTEM….1032
OUTLINE OF HYDRAULIC SYSTEM….1032
WEAR PARTS LIST….1034
USE FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE….1035
PROPER SELECTION OF FUEL, COOLANT AND LUBRICANTS….1035
USE FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE CONT….1037
STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS….1039
INTRODUCTION OF NECESSARY TOOLS….1039
TORQUE LIST….1040
PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS….1041
SAFETY CRITICAL PARTS….1042
MAINTENANCE SCHEDULE CHART….1043
MAINTENANCE WHEN USING HYDRAULIC BREAKER….1048
SERVICE PROCEDURE….1049
INITIAL 250 HOURS SERVICE….1049
WHEN REQUIRED….1050
CHECK, CLEAN AND REPLACE THE AIR CLEANER ELEMENT….1050
CLEAN INSIDE OF COOLING SYSTEM….1051
CHECKING COOLANT LEVEL….1053
DRAINING THE SYSTEM….1054
CLEANING THE SYSTEM….1054
FILLING THE SYSTEM….1055
REFILLING AN OVERHEATED SYSTEM….1055
CLEANING THE RADIATOR….1056
CLEANING THE RADIATOR PRE-SCREEN….1056
THERMOSTATS….1056
FAN….1056
CHECK AND TIGHTEN WHEEL NUTS….1057
CHECK ELECTRICAL INTAKE AIR HEATER….1057
CHECK ALTERNATOR….1057
CHECK START MOTOR….1058
REPLACE BUCKET SIDE CUTTERS….1058
REPLACE BUCKET TEETH….1058
ADJUST BUCKET CLEARANCE….1059
CHECK WINDOW WASHER FLUID LEVEL, ADD FLUID….1059
CHECK AND ADJUST AIR CONDITIONER….1060
DRAIN ENGINE BREATHER OIL CATCHER….1061
CHECK BEFORE STARTING….1062
CHECK COOLANT LEVEL, ADD WATER….1062
CHECK OIL LEVEL IN ENGINE OIL PAN, ADD OIL….1062
CHECK FUEL LEVEL, ADD FUEL….1063
CHECK OIL LEVEL IN HYDRAULIC TANK, ADD OIL….1064
CHECK AIR CLEANER FOR CLOGGING….1064
CHECK ELECTRIC WIRING….1065
CHECK FOR WATER AND SEDIMENT IN SEDIMENTOR. DRAIN WATER AND SEDIMENT….1065
EVERY 50 HOURS….1066
DRAIN WATER AND SEDIMENT FROM FUEL TANK….1066
EVERY 100 HOURS SERVICE….1066
LUBRICATING….1066
CHECK OIL LEVEL IN SWING MACHINERY CASE, ADD OIL….1069
CLEAN FRESH AIR INTAKE FILTER….1070
EVERY 250 HOURS SERVICE….1071
CHECK OIL LEVEL IN WHEEL HUBS, ADD OIL….1071
CHECK OIL LEVEL IN AXLES, ADD OIL….1071
CHECK OIL LEVEL IN TRANSMISSION, ADD OIL….1072
CHECK LEVEL OF BATTERY ELECTROLYTE….1072
LUBRICATE SWING CIRCLE (2 points)….1073
BELTS, GENERAL….1073
CHECK FAN BELT TENSION, ADJUST CHECKING TENSION….1074
REPLACEMENT….1074
CHECK ALTERNATOR AND WATER PUMP BELT TENSION, ADJUST CHECKING TENSION….1074
CHECK AND ADJUST TENSION OF AIR CONDITIONER COMPRESSOR BELT….1075
EVERY 500 HOURS SERVICE….1076
REPLACE FUEL FILTER CARTRIDGES….1076
CHECK SWING PINION GREASE LEVEL, ADD GREASE….1078
CHANGE OIL IN ENGINE OIL PAN, REPLACE ENGINE OIL FILTER CARTRIDGE….1079
CLEAN AND INSPECT RADIATOR FINS, OIL COOLER FINS AND CONDENSER FINS (ONLY FOR MACHINES EQUIPPED W…..1080
REPLACE HYDRAULIC TANK BREATHER ELEMENT….1081
REPLACE HYDRAULIC FILTER ELEMENT….1081
EVERY 1000 HOURS SERVICE….1082
CHANGE OIL IN SWING MACHINERY CASE….1082
CHECK ALL TIGHTENING PARTS OF TURBOCHARGER….1083
CHECK PLAY OF TURBOCHARGER ROTOR….1083
CHECK & ADJUST VALVE CLEARANCE….1083
CHECK FAN BELT TENSIONER BEARING BELT AND FAN HUB….1085
CHECK FAN BELT TENSION….1085
EVERY 2000 HOURS SERVICE….1086
CLEAN HYDRAULIC TANK STRAINER….1086
CLEAN, CHECK TURBOCHARGER….1086
CHECK ALTERNATOR, STARTING MOTOR….1086
CHECK VIBRATION DAMPER….1087
CHANGE OIL IN AXLES….1087
CHANGE OIL IN HUBS….1088
CHANGE OIL IN TRANSMISSION ASSEMBLY….1088
CHANGE ANTIFREEZE….1088
CHECK AND ADJUST VALVE CLEARANCE….1088
EVERY 4000 HOURS SERVICE….1089
CHECK WATER PUMP….1089
EVERY 5000 HOURS SERVICE….1089
CHANGE OIL IN HYDRAULIC TANK….1089
SPECIFICATIONS….1093
SPECIFICATIONS….1094
1 – PIECE BOOM….1095
2 – PIECE BOOM….1096
1 PIECE BOOM AND 2 PC BOOM UNDERCARRIAGE VARIATIONS….1097
WORKING RANGE: ONE PIECE BOOM….1098
WORKING RANGE: TWO PIECE BOOM….1099
WORKING RANGE: ONE PIECE BOOM (with front dozer fitted)….1100
WORKING RANGE: TWO PIECE BOOM….1101
WORKING RANGE: TWO PIECE BOOM+ ROTATING ARM….1102
OPTIONS, ATTACHMENTS….1103
GENERAL PRECAUTIONS….1104
PRECAUTIONS RELATED TO SAFETY….1104
PRECAUTIONS WHEN INSTALLING ATTACHMENTS….1105
HANDLING BUCKET WITH HOOK….1106
CHECKING FOR DAMAGE TO BUCKET WITH HOOK….1106
PROHIBITED OPERATIONS….1106
PRECAUTIONS DURING OPERATIONS….1106
MACHINES READY FOR ATTACHMENTS….1107
GENERAL LOCATIONS….1107
HANDLING THE CLAMSHELL BUCKET….1109
How to install clamshell bucket….1109
How to operate….1109
OPERATION….1110
WHEN USING BREAKER….1110
HANDLING ACCUMULATOR….1112
METHOD FOR RELEASING PRESSURE IN CONTROL CIRCUIT OF MACHINES EQUIPPED WITH ACCUMULATOR….1112
LONG-TERM STORAGE….1113
SPECIFICATIONS….1113
INTRODUCTION OF ATTACHMENTS AND EXTENDING MACHINE SERVICE LIFE….1114
HYDRAULIC BREAKER….1114
POWER RIPPER….1117
FORK GRAB….1118
GRAPPLE BUCKET….1119
SCRAP GRAPPLE….1120
CRUSHER & SMASHER….1122
HYDRAULIC PILE DRIVER….1123
HYDRAULIC EXCAVATOR WITH MULTIPURPOSE CRANE….1124
ROTATING ARM….1126
GENERAL LOCATION AND SPECIFICATIONS….1126
GENERAL VIEW OF CONTROLS….1127
LEFT WORK EQUIPMENT CONTROL LEVER (with auto-deceleration device)….1127
RIGHT WORK EQUIPMENT CONTROL LEVER (with auto-deceleration device)….1128
ARM ROTATION CONTROL….1128
UPPER BOOM CONTROL PEDAL….1129
PEDAL LOCK FOR BOOM ADJUST….1129
EXCAVATORS WORK….1129
REPLACEMENT OF BUCKET….1130
HANDLING THE TRAPEZOIDAL BUCKET (If equipped)….1132
TRAVELLING POSTURE….1133
MAINTENANCE REQUIREMENT….1134
EVERY 100 HOURS SERVICE….1135
EVERY 250 HOURS SERVICE….1135
EVERY 1000 HOURS SERVICE….1136
UEBM000500 – Wheeled Excavator PW170ES-6K Shop Manual….1137
COVER….1137
10 STRUCTURE AND FUNCTION….1138
ENGINE RELATED PARTS….1139
RADIATOR – OIL COOLER, AFTERCOOLER….1140
POWER TRAIN….1141
SWING CIRCLE….1142
SWING MACHINERY….1143
UNDERCARRIAGE….1145
TRANSMISSION….1146
AXLE….1149
SUSPENSION LOCK CYLINDER….1153
BRAKING TRAIN….1155
BRAKE PEDAL….1156
BRAKE VALVE….1157
ACCUMULATOR FOR BRAKE SYSTEM….1158
STEERING TRAIN….1159
STEERING COLUMN….1161
HYDRAULIC CIRCUIT DIAGRAM….1162
HYDRAULIC TANK….1164
HYDARULIC PUMP….1165
CONTROL VALVE….1184
CLSS….1194
SWING MOTOR….1229
CENTER SWIVEL JOINT….1232
TRAVEL MOTOR (FRONT, REAR)….1233
WORK EQUIPMENT, SWING PPC VALVE….1235
TRAVEL PPC PEDAL….1239
SERVICE PPC VALVE….1240
SAFETY LOCK VALVE….1243
PPC ACCUMULATOR….1243
PPC SHUTTLE VALVE….1244
EPC, SOLENOID VALVE….1247
HYDRAULIC CYLINDER….1259
WORK EQUIPMENT….1263
ELECTRICAL WIRING DIAGRAM….1264
ELECTRICAL WIRING DIAGRAM….1265
ELECTRICAL WIRING DIAGRAM….1266
ENGINE CONTROL SYSTEM….1267
ELECTRONIC CONTROL SYSTEM….1273
MACHINE MONITOR SYSTEM….1296
20 TESTING AND ADJUSTING….1307
TABLE OF JUDGEMENT STANDARD VALUE….1308
STANDARD VALUE TABLE FOR ELETRICAL PARTS….1318
CHECKING AND ADJUSTING BELT TENSION FOR AIR CONDITIONER COMPRESSOR….1326
ADJUSTING ENGINE SPEED SENSOR….1327
TESTING AND ADJUSTING GOVERNOR MOTOR LEVER STROKE….1328
TESTING CLEARANCE OF SWING CIRCLE BEARING….1330
TESTING AND ADJUSTING HYDRAULIC PRESSURE IN WORK EQUIPMENT, SWING, TRAVEL CIRCUIT….1331
TESTING AND ADJUSTING TVC VALVE OUTPUT PRESSURE (SERVO PISTON INPUT PRESSURE)….1334
TESTING AND ADJUSTING LS VALVE OUTPUT PRESSURE (SERVO PISTON INPUT PRESSURE) AND LS DIFFERENTIAL PRESSURE….1336
TESTING AND ADJUSTING PPC PRESSURE….1339
TESTING EPC VALVE SOLENOID VALVE OUTPUT PRESSURE….1340
MEASURING PPC VALVE OUTPUT PRESSURE AND TESTING PPC SHUTTLE VALVE….1342
ADJUSTING WORK EQUIPMENT – SWING PPC VALVE….1344
TESTING LOCATION CAUSING HYDRAULIC DRIFT OF WORK EQUIPMENT….1345
MEASURING OIL LEAKAGE….1347
RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT….1348
BLEEDING AIR….1349
ACCUMULATORS….1351
TROUBLESHOOTING….1355
POINTS TO REMEMBER WHEN TROUBLESHOOTING….1356
SEQUENCE OF EVENTS IN TROUBLESHOOTING….1357
PRECAUTIONS WHEN CARRYING OUT MAINTENANCE….1358
CHECKS BEFORE TROUBLESHOOTING….1365
CONNECTOR TYPES….1366
CONNECTION TABLE FOR CONNECTOR PIN NUMBERS….1369
EXPLANATION OF CONTROL MECHANISM OF ELECTRICAL SYSTEM….1382
DISPLAY METHOD AND SPECIAL FUNCTIONS OF MONITOR PANEL….1383
METHOD OF USING JUDGEMENT TABLE….1391
METHOD OF USING TROUBLESHOOTING CHARTS….1393
DETAILS OF TROUBLESHOOTING AND TROUBLESHOOTING PROCEDURE….1395
SERVICE CODE TABLE….1400
TROUBLESHOOTING OF COMMUNICATION ABNORMALITY SYSTEM (N MODE)….1401
N-1 [E218] COMMUNICATION ABNORMALITY….1402
TROUBLESHOOTING OF GOVERNOR, PUMP CONTROLLER (GOVERNOR CONTROL SYSTEM) (E-MODE….1404
POINTS TO REMEMBER WHEN CARRYING OUT TROUBLESHOOTING OF GOVERNOR, PUMP CONTROLLER SYSEM….1405
ACTION TAKEN BY CONTROLLER AND CONDITION OF MACHINE WHEN ABNORMALITY OCCURS….1406
JUDGEMENT TABLE FOR GOVERNOR, PUMP GOVERNOR (GOVERNOR CONTROL SYSTEM) AND ENGINE RELATED PARTS….1410
ELECTRICAL CIRCUIT DIAGRAM OF GOVERNOR, PUMP CONTROLLER (GOVERNOR CONTROL SYSTEM)….1412
E-1 ABNORMALITY IN GOVERNOR, PUMP CONTROLLER POWER SOURCE (CONTROLLER LED IS OFF)….1414
E-2 [E308] ABNORMALITY IN FUEL CONTROL DIAL INPUT VALUE IS DISPLAYED….1415
E-3 [E317] ABNORMALITY (DISCONNECTION) IN MOTOR DRIVE SYSTEM IS DISPLAYED….1416
E-4 [E318] ABNORMALITY (SHORT CIRCUIT) IN MOTOR DRIVE SYSTEM IS DISPLAYED….1417
E-5 [E306] ABNORMALITY IN FEEDBACK POTENTIOMETER SYSTEM IS DISPLAYED….1418
E-6 [E315] ABNORMALITY (SHORT CIRCUIT) IN BATTERY OUTPUT SYSTEM IS DISPLAYED….1419
E-7 [E316] ABNORMALITY (STEP-OUT) IN MOTOR IS DISPLAYED….1420
E-8 ENGINE DOES NOT START….1421
E-9 ENGINE SPEED IS IRREGULAR….1423
A) IDLING SPEED IS IRREGULAR….1423
B) THERE IS HUNTING….1425
E-10 LACK OF OUTPUT (ENGINE HIGH IDLING SPEED IS TOO LOW)….1427
E-11 ENGINE DOES NOT STOP….1429
E-12 DEFECTIVE OPERATION OF BATTERY RELAY SYSTEM (ENGINE DOES NOT STOP)….1431
TROUBLESHOOTING OF ENGINE SYSTEM (S-MODE)….1432
METHOD OF USING TROUBLESHOOTING CHARTS….1433
S-1 STARTING PERFORMANCE IS POOR (STARTING ALWAYS TAKES TIME)….1437
S-2 ENGINE DOES NOT START….1438
(1) ENGINE DOES NOT RUN….1438
(2) ENGINE TURNS BUT NOT EXHAUST COMES OUT (FUEL IS NOT BEING INJECTED)….1439
(3) EXHAUST SMOKE COMES OUT BUT ENGINE DOES NOT START (FUEL IS BEING INJECTED)….1440
S-3 ENGINE DOES NOT PICK UP SMOOTHLY ….1441
S-4 ENGINE STOPS DURING OPERATIONS….1442
S-5 ENGINE DOES NOT ROTATE SMOOTHLY (HUNTING)….1443
S-6 ENGINE LACKS OUTPUT (NO POWER)….1444
S-7 EXHAUST SMOKE IS BLACK ….1445
S-8 OIL CONSUMPTION IS EXCESSIVE, OR EXHAUST SMOKE IS BLUE….1446
S-9 OIL BECOMES CONTAMINATED QUICKLY….1447
S-10 FUEL CONSUMPTION IS EXCESSIVE….1448
S-11 OIL IS IN COOLING WATER….1449
S-12 OIL PRESSURE CAUTION LAMP LIGHTS UP (DROP IN OIL PRESSURE)….1450
S-13 OIL LEVEL RISES (WATER, FUEL IN OIL)….1451
S-14 WATER TEMPERATURE BECOMES TOO HIGH (OVERHEATING)….1452
S-15 ABNORMAL NOISE IS MADE….1453
S-16 VIBRATION IS EXCESSIVE….1454
TROUBLESHOOTING OF GOVERNOR, PUMP CONTROLLER (PUMP CONTROL SYSTEM) (C MODE)….1455
POINTS TO REMEMBER WHEN TROUBLESHOOTING PUMP CONTROLLER SYSTEM….1456
ACTION TAKEN BY CONTROLLER WHEN ABNORMALITY OCCURS….1457
JUDGEMENT TABLE FOR GOVERNOR, PUMP CONTROLLER AND HYDRAULIC RELATED PARTS….1463
ELECTRICAL CIRCUIT DIAGRAM OF C MODE SYSTEMS….1465
C-1 ABNORMALITY IN CONTROLER POWER SOURCE (CONTROLLER LED IS OFF)….1467
C-2 [E232] SHORT CIRCUIT IN PUMP TVC SOLENOID SYSTEM IS DISPLAYED….1468
C-3 [E233] DISCONNECTION IN PUMP TVC SOLENOID SYSTEM IS DISPLAYED….1470
C-8 [E203] SHORT CIRCUIT IN SWING BRAKE SOLENOID SYSTEM IS DISPLAYED….1472
C-9 [E213] DISCONNECTION IN SWING BRAKE SOLENOID SYSTEM IS DISPLAYED….1474
C-10 [E205] SHORT CIRCUIT IN 2-STAGE RELIEF SOLENOID SYSTEM IS DISPLAYED….1476
C-11 [E215] DISCONNECTION IN 2-STAGE RELIEF SOLENOID SYSTEM IS DISPLAYED ….1477
C-12 [E206] SHORT CIRCUIT IN TRAVEL SPEED SOLENOID SYSTEM IS DISPLAYED….1478
C-13 [E216] DISCONNECTION IN TRAVEL SPEED SELECTOR SOLENOID SYSTEM IS DISPLAYED….1479
C-16[E223] DISCONNECTION IN LS-EPC SOLENOID SYSTEM IS DISPLAYED….1480
C-17 [E224] ABNORMALITY IN PUMP PRESSURE SENSOR SYSTEM IS DISPLAYED….1481
C-19 [E226] ABNORMALITY IN PRESSURE SENSOR POWER SOURCE IS DISPLAYED ….1482
C-20 [E227] ABNORMALITY IN ENGINE SPEED SENSOR SYSTEM IS DISPLAYED….1483
TROUBLESHOOTING OF GOVERNOR, PUMP CONTROLLER (INPUT SIGNAL SYSTEM) (F MODE)….1484
ELECTRICAL CIRCUIT DIAGRAM FOR F MODE….1485
F-1 BIT PATTERN 20-(1) SWING OIL PRESSURE SWITCH DOES NOT LIGHT UP….1487
F-2 BIT PATTERN 20-(2) TRAVEL OIL PRESSURE SWTICH DOES NOT LIGHT UP….1488
F-3 BIT PATTERN 20-(3) BOOM LOWER OIL PRESSURE SWITCH DOES NOT LIGHT UP….1489
F-4 BIT PATTERN 20-(4) BOOM RAISE OIL PRESSURE SWITCH DOES NOT LIGHT UP….1490
F-5 BIT PATTERN 20-(5) ARM IN OIL PRESSURE SWITCH DOES NOT LIGHT UP….1491
F-6 BIT PATTERN 20-(6) ARM OUT OIL PRESSURE SWITCH DOES NOT LIGHT UP….1492
F-7 BIT PATTERN 21-(1) BUCKET CURL OIL PRESSURE SWITCH DOES NOT LIGHT UP….1493
F-8 BIT PATTERN 21-(2) BUCKET DUMP OIL PRESSURE SWITCH DOES NOT LIGHT UP….1494
F-9 BIT PATTERN 21-(3) SWING LOCK SWITCH DOES NOT LIGHT UP….1495
F-11 BIT PATTERN 22-(6) L.H. KNOB SWITCH DOES NOT LIGHT UP….1496
TROUBLESHOOTING OF HYDRAULIC, MECHANICAL SYSTEM (H-MODE)….1497
TABLE OF FAILURE MODES AND CAUSES….1498
ALL WORK EQUIPMENT, TRAVEL, SWING….1502
H-1 SPEEDS OF ALL WORK EQUIPMENT, SWING, TRAVEL ARE SLOW OR LACK POWER….1502
H-2 THERE IS EXCESSIVE DROP IN ENGINE SPEED, OR ENGINE STALLS….1504
H-3 NO WORK EQUIPMENT, TRAVEL, SWING MOVE….1505
H-4 ABNORMAL NOISE GENERATED (AROUND PUMP)….1505
H-5 AUTO-DECELERATION DOES NOT WORK ….1506
H-6 FINE CONTROL ABILITY IS POOR OR RESPONSE IS POOR….1506
WORK EQUIPMENT….1507
H-7 BOOM IS SLOW OR LACKS POWER….1507
H-8 ARM IS SLOW OR LACKS POWER….1509
H-9 BUCKET IS SLOW OR LACKS POWER….1511
H-10 WORK EQUIPMENT (BOOM, ARM, BUCKET) DOES NOT MOVE ….1512
H-11 EXCESSIVE HYDRAULIC DRIFT (BOOM, ARM BUCKET)….1512
H-12 EXCESSIVE TIME LAG (ENGINE AT LOW IDLING)….1513
H-13 OTHER EQUIPMENT MOVES WHEN SINGLE CIRCUIT IS RELIEVED….1513
H-14 IN F/O MODES, WORK EQUIPMENT SPEED IS FASTER THAN SPECIFIED SPEED….1514
H-15 LACK OF POWER WHEN PRESSURE RISES….1514
COMPOUND OPERATIONS….1514
H-16 IN COMPOUND OPERATIONS, WORK EQUIPMENT WITH LARGER LOAD IS SLOW….1514
H-17 IN SWING + BOOM RAISE, BOOM RAISE IS SLOW….1515
TRAVEL SYSTEM….1516
H-21 TRAVEL SPEED IS SLOW….1516
H-23 TRAVEL SPEED DOES NOT SWITCH OR IS FASTER THAN SPECIFIED SPEED….1518
SWING SYSTEM….1519
H-25 DOES NOT SWING (BOTH LEFT AND RIGHT, ON DIRECTION ONLY)….1519
H-26 SWING ACCELERATION IS POOR OR SWING SPEED IS SLOW (BOTH LEFT AND RIGHT, ONE DIRECTION ONLY)….1520
H-27 EXCESSIVE OVERRUN WHEN STOPPING SWING (BOTH LEFT AND RIGHT, ONE DIRECTION ONLY)….1522
H-28 EXCESSIVE SHOCK WHEN STOPPING SWING (ONE DIRECTION ONLY)….1523
H-29 EXCESSIVE ABNORMAL NOISE WHEN STOPPING SWING….1523
H-30 EXCESSIVE HYDRAULIC DRIFT OF SWING (WHEN BRAKE IS ON, WHEN BRAKE IS OFF)….1524
H-31 SWING SPEED IS FASTER THAN SPECIFIED SPEED….1525
TROUBLESHOOTING OF MACHINE MONITOR SYSTEM (M MODE)….1526
ACTION TAKEN BY PANEL AND CONDITION OF MACHINE WHEN ABNORMALITY OCCURS….1527
ELECTRICAL CIRCUIT DIAGRAM OF MONITOR SYSTEM….1529
M-1 [E101] ABNORMALITY IN ERROR DATA IS DISPLAYED [E102] ERROR IN CLOCK DATA IS DISPLAYED….1531
M-2 [E103] SHORT CIRCUIT IN BUZZER OUTPUT OR CONTACT OF 24 V WIRING HARNESS WITH BUZZER DRIVE HARNESS IS DISPLAYED….1532
M-3 [E104] AIR CLOGGING DETECTED IS DISPLAYED….1533
M-4 [E106] DROP IN ENGINE OIL PRESSURE HI DETECTED IS DISPLAYED….1533
M-5 [E108] ENGINE WATER TEMPERATURE 105C DETECTED IS DISPLAYED….1534
M-6 WHEN STARTING SWITCH IS TURNED ON, NONE OF THE LAMPS ON THE MONITOR PANEL LIGHT UP FOR 3 SECONDS….1535
M-7 WHEN STARTING SWITCH IS TURNED ON, MONITOR PANEL LAMPS ALL STAY LIT UP AND DO NOT GO OUT….1537
M-8 WHEN STARTING SWITCH IS TURNED ON, ITEMS LIT UP ON MONITOR PANEL ARE DIFFERENT FROM ACTUAL MACHINE (MODEL)….1537
M-9 WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED), BASIC CHECK ITEMS FLASH….1538
M-10 PREHEATING IS NOT BEING USED BUT PREHEATING MONITOR LIGHTS UP….1540
M-11 WHEN STARTING SWITCH IS TURNED ON AND ENGINE IS STARTED, BASIC CHECK ITEMS FLASH….1541
M-12 WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED), CAUTION ITEMS, EMERGENCY STOP ITEMS FLASH….1543
M-13 WHEN STARTING SWITCH IS TURNED ON AND ENGINE IS STARTED, CAUTION ITEMS, EMERGENCY STOP ITEMS FLASH….1545
M-14 WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED), BUZZER DOES NOT SOUND FOR 1 SECOND. CAUTION ITEM FLASHES BUT BUZZER….1548
M-15 NO ABNROMALITY IS DISPLAYED ON MONITOR BUT BUZZER SOUNDS….1548
M-16 NIGHT LIGHTING ON MONITOR PANEL DOES NOT LIGHT UP (LIQUID CRYSTAL DISPLAY IS NORMAL)….1549
M-17 COOLANT TEMPERATURE GAUGE DOE NOT RISE….1550
M-18 COOLANT TEMPERATURE GAUGE DOES NOT GIVE ANY DISPLAY….1550
M-19 FUEL LEVEL GAUGE ALWAYS DISPLAYS FULL….1551
M-20 FUEL LEVEL GAUGE DOES NOT GIVE ANY DISPLAY….1551
M-21 SWING LOCK SWITCH IS TURNED ON (LOCK) BUT SWING LOCK MONITOR DOES NOT LIGHT UP….1552
M-22 SWING PROLIX SWITCH IS TURNED ON (PROLIX), BUT SWING LOCK MONITOR DOES NOT FLASH….1552
M-23 SERVICE METER DOES NOT ADVANCE WHILE ENGINE IS RUNNING….1553
M-24 WHEN STARTING SWITCH IS AT OFF AND TIME SWITCH IS PRESSED, TIME AND SERVICE METER ARE NOT DISPLAYED….1553
M-25 DEFECTIVE FUEL LEVEL SENSOR SYSTEM….1554
M-26 DEFECTIVE COOLANT TEMPERATURE SENSOR SYSTEM….1555
M-27 DEFECTIVE ENGINE OIL LEVEL SENSOR SYSTEM….1556
M-28 DEFECTIVE COOLANT LEVEL SENSOR SYSTEM….1557
M-30 WIPER DOES NOT WORK OR SWITCH IS NOT BEING USED BUT WIPER IS ACTUATED….1558
30 DISASSEMBLY AND ASSEMBLY….1562
METHOD OF USING MANUAL….1564
PRECAUTIONS WHEN CARRYING OUT OPERATION….1566
SPECIAL TOOL LIST….1568
GOVERNOR MOTOR ASSEMBLY….1571
REMOVAL AND INSTALLATION….1571
HYDRAULIC COOLER ASSEMBLY….1572
REMOVAL….1572
RADIATOR, HYDRAULIC COOLER ASSEMBLY….1573
REMOVAL….1573
INSTALLATION….1574
ENGINE, MAIN PUMP ASSEMBLY….1575
REMOVAL….1575
INSTALLATION….1578
DAMPER ASSEMBLY….1579
REMOVAL AND INSTALLATION….1579
FUEL TANK ASSEMBLY….1580
REMOVAL AND INSTALLATION….1580
CENTER SWIVEL JOINT ASSEMBLY….1581
REMOVAL AND INSTALLATION….1581
SWING MOTOR ASSEMBLY….1582
REMOVAL AND INSTALLATION….1582
SWING MACHINERY ASSEMBLY….1583
REMOVAL AND INSTALLATION….1583
SWING MOTOR….1585
DISASSEMBLY AND ASSEMBLY….1585
REVOLVING FRAME ASSEMBLY….1592
REMOVAL….1592
INSTALLATION….1594
SWING CIRCLE ASSEMBLY….1595
REMOVAL AND INSTALLATION….1595
HYDRAULIC TANK ASSEMBLY….1597
REMOVAL….1597
INSTALLATION….1598
MAIN PUMP ASSEMBLY….1599
REMOVAL….1599
INSTALLATION….1600
CONTROL VALVE ASSEMBLY….1601
REMOVAL….1601
INSTALLATION….1602
DISASSEMBLY AND ASSEMBLY….1603
LS SELECT VALVE ASSEMBLY….1607
DISASSEMBLY AND ASSEMBLY….1607
LS SHUTTLE VALVE….1608
DISASSEMBLY AND ASSEMBLY….1608
PRESSURE COMPENSATION VALVE….1609
DISASSEMBLY AND ASSEMBLY….1609
MAIN RELIEF VALVE ASSEMBLY….1611
DISASSEMBLY….1611
ASSEMBLY….1612
LS CONTROL EPC VALVE ASSEMBLY….1613
REMOVAL AND INSTALLATION….1613
EPC SOLENOID VALVE ASSEMBLY….1614
REMOVAL AND INSTALLATION….1614
PPC SHUTTLE VALVE ASSEMBLY….1615
REMOVAL….1615
INSTALLATION….1616
DISASSEMBLY….1617
ASSEMBLY….1618
WORK EQUIPMENT PPC VALVE ASSEMBLY….1619
REMOVAL AND INSTALLATION….1619
TRAVEL PPC PEDAL ASSEMBLY….1620
REMOVAL AND INSTALLATION….1620
BOOM CYLINDER ASSEMBLY….1621
REMOVAL….1621
INSTALLATION….1622
ARM CYLINDER ASSEMBLY….1623
REMOVAL….1623
INSTALLATION….1624
BUCKET CYLINDER ASSEMBLY….1625
REMOVAL….1625
INSTALLATION….1626
HYDRAULIC CYLINDER ASSEMBLY….1627
DISASSEMBLY ….1627
ASSEMBLY….1629
WORK EQUIPMENT ASSEMBLY….1632
REMOVAL….1632
INSTALLATION….1633
BUCKET ASSEMBLY….1634
REMOVAL….1634
INSTALLATION….1634
ARM ASSEMBLY….1634
REMOVAL ….1634
INSTALLATION….1634
BUCKET, ARM ASSEMBLY….1636
REMOVAL ….1636
INSTALLATION….1636
BOOM ASSEMBLY….1638
REMOVAL….1638
INSTALLATION….1639
OPERATOR'S CAB ASSEMBLY….1640
REMOVAL….1640
INSTALLATION….1642
COUNTERWEIGHT ASSEMBLY….1643
REMOVAL AND INSTALLATION….1643
GOVERNOR, PUMP CONTROLLER ASSEMBLY….1644
REMOVAL AND INSTALLATION….1644
MONITOR PANEL ASSEMBLY….1645
REMOVAL AND INSTALLATION….1645
SWING MACHINERY ASSEMBLY….1646
DISASSEMBLY….1646
ASSEMBLY….1661
(SPECIAL TOOLS)….1681
TRANSMISSION….1683
FRONT AXLE….1690
REAR AXLE….1707
BUCKET ADAPTER….1721
WELDING INSTRUCTION….1721
OUTRIGGER + BLADE CYLINDER….1724
40 MAINTENANCE STANDARD….1726
ENGINE MOUNT….1727
SWING MACHINERY….1728
SWING CIRCLE….1730
CONTROL VALVE….1731
SUCTION SAFETY VALVE….1739
SWING MOTOR….1740
WORK EQUIPMENT, SWING PPC VALVE….1741
PPC SHUTTLE VALVE, TRAVEL JUNCTION VALVE….1742
EPC SOLENOID VALVE….1743
CENTER SWIVEL JOINT….1744
BOOM SAFETY VALVE (ARM SAFETY VALVE)….1745
HYDRAULIC CYLINDER….1746
WORK EQUIPMENT….1747
DOZER BLADE, OUTRIGGER CLYINDERS….1755
OUTRIGGER BUSH PINS….1756
TRANSMISSION….1757
FRONT AXLE….1758
REAR AXLE….1759
ARM ROTATION CIRCLE….1760
UEBM000801 – Wheeled Excavator PW170ES-6K Shop Manual….1762
PW170ES- 6K ….1762
K32001 and up K34001 and up ….1762
CONTENTS ….1763
01 GENERAL…………Helvetica-Bold ….1763
10 STRUCTURE AND FUNCTION ….1763
20 TESTING AND ADJUSTING ….1763
30 DISASSEMBLY AND ASSEMBLY ….1763
40 MAINTENANCE STANDARD………. ….1763
SAFETY ….1767
SAFETY NOTICE ….1767
FOREWORD ….1769
GENERAL ….1769
HOW TO READ THE SHOP MANUAL ….1770
HOISTING INSTRUCTIONS ….1771
COATING MATERIALS ….1772
STANDARD TIGHTENING TORQUE ….1773
ELECTRIC WIRE CODE ….1775
CONVERSION TABLE ….1776
ENGINE RELATED PARTS ….1784
RADIATOR OIL COOLER ….1785
SWING CIRCLE ….1787
SWING HOLDING BRAKE ….1789
SWING MACHINERY UNDERCARRIAGE ….1791
CLUTCH CONTROL CIRCUIT ….1792
FUNCTION ….1793
AXLE ….1794
REAR AXLE ….1795
REAR AXLE ….1797
SUSPENSION LOCK CYLINDER ….1798
CIRCUIT ….1799
BRAKING TRAIN ….1800
BRAKE PEDAL ….1801
BRAKE PEDAL INCORPORATING BRAKE VALVE ….1802
ACCUMULATOR FOR BRAKE SYSTEM ….1803
STEERING TRAIN ….1804
ITEM ….1805
STEERING COLUMN ….1806
HYDRAULIC CIRCUIT DIAGRAM ….1807
HYDRAULIC CIRCUIT DIAGRAM ….1808
HYDRAULIC TANK ….1809
HYDRAULIC TANK ….1810
HYDRAULIC PUMP ….1812
OPERATION ….1813
PPC PUMPLESS SYSTEM ….1829
CONTROL VALVE ….1831
CLSS ….1841
POINTS TO REMEMBER WHEN TROUBLESHOOTING ….2006
SEQUENCE OF EVENTS IN TROUBLESHOOTING ….2007
PRECAUTIONS WHEN CARRYING OUT MAINTENANCE ….2008
1. PRECAUTIONS WHEN HANDLING ELECTRIC EQUIPMENT ….2008
CHECKS BEFORE TROUBLESHOOTING ….2015
CONNECTOR TYPES ….2016
CONNECTION TABLE FOR CONNECTOR PIN NUMBERS ….2020
EXPLANATION OF CONTROL MACHANISM FOR ELECTRICAL SYSTEM ….2033
METHOD OF USING JUDGEMENT TABLE ….2042
METHOD OF USING TROUBLESHOOTING CHARTS ….2044
DETAILS OF TROUBLESHOOTING AND TROUBLESHOOTING PROCEDURE ….2046
SERVICE CODE TABLE ….2051
POINTS TO REMEMBER WHEN CARRYING OUT TROUBLESHOOTING OF GOVERNOR, PUMP CONTROLLER SYSTEM ….2057
ACTION TAKEN BY CONTROLLER WHEN ABNORMALITY OCCURS AND PROBLEMS ON MACHINE ….2058
JUDGEMENT TABLE FOR GOVERNOR, PUMP GOVERNOR ( GOVERNOR CONTROL SYSTEM) AND ENGINE RELATED PARTS ….2062
ELECTRICAL CIRCUIT DIAGRAM FOR E MODE 1/ 2 ….2064
ELECTRICAL CIRCUIT DIAGRAM FOR E MODE 2/ 2 ….2065
E- 1 Abnormality in governor, pump controller power source ( controller LED is OFF) ….2066
E- 2 [ E308] Abnormality in fuel control dial input value is displayed ….2067
E- 3 [ E317] Abnormality ( disconnection) in motor drive system is displayed ….2068
E- 4 [ E318] Abnormality ( short circuit) in motor drive system is displayed ….2069
E- 5 [ E306] Abnormality in feedback potentiometer system is displayed ….2070
E- 6 [ E315] Abnormality ( short circuit) in battery relay output system is displayed ….2071
E- 7 [ E316] Abnormality ( step- out) in motor is displayed ….2072
E- 8 Engine does not start ….2074
Engine speed is irregular ….2076
Defective operation of battery relay system ( engine does not stop) ….2084
METHOD OF USING TROUBLESHOOTING CHARTS ….2086
S- 1 Starting performance is poor ( starting always takes time) ….2090
S- 2 Engine does not start ….2091
S- 3 Engine does not pick up smoothly ( follow- up is poor) ….2094
S- 4 Engine stops during operations ….2095
S- 5 Engine does not rotate smoothly ( hunting) ….2096
S- 6 Engine lacks output ( no power) ….2097
S- 7 Exhaust smoke is black ( incomplete combustion) ….2098
S- 8 Oil consumption is excessive ( or exhaust smoke is blue) ….2099
S- 9 Oil becomes contaminated quickly ….2100
S- 10 Fuel consumption is excessive ….2101
S- 11 Oil is in cooling water, or water spurts back, or water level goes down ….2102
S- 12 Oil pressure caution lamp lights up ( drop in oil pressure) ….2103
S- 13 Oil level rises ( water, fuel in oil) ….2104
S- 14 Water temperature becomes too high ( overheating) ….2105
S- 15 Abnormal noise is made ….2106
S- 16 Vibration is excessive ….2107
ELECTRICAL CIRCUIT DIAGRAM FOR C MODE 1/ 2 ELECTRICAL CIRCUIT DIAGRAM FOR C MODE 2/ 2 ELECTRICAL CIRCUIT DIAGRAM FOR F MODE 1/ 2 ELECTRICAL CIRCUIT DIAGRAM FOR F MODE 2/ 2 ….2141
PW170ES- 6K Serial number K32001 and up PW170ES- 6K Serial number K32001 and up INSTALLATION OF OPERATOR'S CAB ASSEMBLY ….2300
REMOVAL OF COUNTERWEIGHT ASSEMBLY ….2301
INSTALLATION OF COUNTERWEIGHT ASSEMBLY ….2301
PW170ES- 6K ….1762
K32001 and up K34001 and up ….1762
CONTENTS ….1763
01 GENERAL…………Helvetica-Bold ….1763
10 STRUCTURE AND FUNCTION ….1763
20 TESTING AND ADJUSTING ….1763
30 DISASSEMBLY AND ASSEMBLY ….1763
40 MAINTENANCE STANDARD………. ….1763
SAFETY ….1767
SAFETY NOTICE ….1767
FOREWORD ….1769
GENERAL ….1769
HOW TO READ THE SHOP MANUAL ….1770
HOISTING INSTRUCTIONS ….1771
COATING MATERIALS ….1772
STANDARD TIGHTENING TORQUE ….1773
ELECTRIC WIRE CODE ….1775
CONVERSION TABLE ….1776
ENGINE RELATED PARTS ….1784
RADIATOR OIL COOLER ….1785
SWING CIRCLE ….1787
SWING HOLDING BRAKE ….1789
SWING MACHINERY UNDERCARRIAGE ….1791
CLUTCH CONTROL CIRCUIT ….1792
STRUCTURE ….1792
FUNCTION ….1793
AXLE ….1794
FRONT AXLE ….1794
REAR AXLE ….1795
FRONT AXLE ….1796
REAR AXLE ….1797
SUSPENSION LOCK CYLINDER ….1798
CIRCUIT ….1799
BRAKING TRAIN ….1800
BRAKE PEDAL ….1801
BRAKE PEDAL INCORPORATING BRAKE VALVE ….1802
ACCUMULATOR FOR BRAKE SYSTEM ….1803
STEERING TRAIN ….1804
ITEM ….1805
STEERING COLUMN ….1806
HYDRAULIC CIRCUIT DIAGRAM ….1807
HYDRAULIC CIRCUIT DIAGRAM ….1808
HYDRAULIC TANK ….1809
HYDRAULIC TANK ….1810
HYDRAULIC PUMP ….1812
OPERATION ….1813
FUNCTION ….1818
PPC PUMPLESS SYSTEM ….1829
CONTROL VALVE ….1831
CLSS ….1841
POINTS TO REMEMBER WHEN TROUBLESHOOTING ….2006
SEQUENCE OF EVENTS IN TROUBLESHOOTING ….2007
PRECAUTIONS WHEN CARRYING OUT MAINTENANCE ….2008
1. PRECAUTIONS WHEN HANDLING ELECTRIC EQUIPMENT ….2008
2. POINTS TO REMEMBER WHEN HANDLING HYDRAULIC EQUIPMENT ….2013
CHECKS BEFORE TROUBLESHOOTING ….2015
CONNECTOR TYPES ….2016
CONNECTION TABLE FOR CONNECTOR PIN NUMBERS ….2020
EXPLANATION OF CONTROL MACHANISM FOR ELECTRICAL SYSTEM ….2033
DISPLAY METHOD AND SPECIAL FUNCTIONS OF MONITOR PANEL ….2034
METHOD OF USING JUDGEMENT TABLE ….2042
METHOD OF USING TROUBLESHOOTING CHARTS ….2044
DETAILS OF TROUBLESHOOTING AND TROUBLESHOOTING PROCEDURE ….2046
SERVICE CODE TABLE ….2051
POINTS TO REMEMBER WHEN CARRYING OUT TROUBLESHOOTING OF GOVERNOR, PUMP CONTROLLER SYSTEM ….2057
ACTION TAKEN BY CONTROLLER WHEN ABNORMALITY OCCURS AND PROBLEMS ON MACHINE ….2058
JUDGEMENT TABLE FOR GOVERNOR, PUMP GOVERNOR ( GOVERNOR CONTROL SYSTEM) AND ENGINE RELATED PARTS ….2062
ELECTRICAL CIRCUIT DIAGRAM FOR E MODE 1/ 2 ….2064
ELECTRICAL CIRCUIT DIAGRAM FOR E MODE 2/ 2 ….2065
E- 1 Abnormality in governor, pump controller power source ( controller LED is OFF) ….2066
E- 2 [ E308] Abnormality in fuel control dial input value is displayed ….2067
E- 3 [ E317] Abnormality ( disconnection) in motor drive system is displayed ….2068
E- 4 [ E318] Abnormality ( short circuit) in motor drive system is displayed ….2069
E- 5 [ E306] Abnormality in feedback potentiometer system is displayed ….2070
E- 6 [ E315] Abnormality ( short circuit) in battery relay output system is displayed ….2071
E- 7 [ E316] Abnormality ( step- out) in motor is displayed ….2072
E- 8 Engine does not start ….2074
E- 9 Engine speed is irregular ….2076
E- 10 Lack of output ( engine high idling speed is too low) ….2080
E- 11 Engine does not stop ….2082
E- 12 Defective operation of battery relay system ( engine does not stop) ….2084
METHOD OF USING TROUBLESHOOTING CHARTS ….2086
S- 1 Starting performance is poor ( starting always takes time) ….2090
S- 2 Engine does not start ….2091
S- 3 Engine does not pick up smoothly ( follow- up is poor) ….2094
S- 4 Engine stops during operations ….2095
S- 5 Engine does not rotate smoothly ( hunting) ….2096
S- 6 Engine lacks output ( no power) ….2097
S- 7 Exhaust smoke is black ( incomplete combustion) ….2098
S- 8 Oil consumption is excessive ( or exhaust smoke is blue) ….2099
S- 9 Oil becomes contaminated quickly ….2100
S- 10 Fuel consumption is excessive ….2101
S- 11 Oil is in cooling water, or water spurts back, or water level goes down ….2102
S- 12 Oil pressure caution lamp lights up ( drop in oil pressure) ….2103
S- 13 Oil level rises ( water, fuel in oil) ….2104
S- 14 Water temperature becomes too high ( overheating) ….2105
S- 15 Abnormal noise is made ….2106
S- 16 Vibration is excessive ….2107
ELECTRICAL CIRCUIT DIAGRAM FOR C MODE 1/ 2 ELECTRICAL CIRCUIT DIAGRAM FOR C MODE 2/ 2 ELECTRICAL CIRCUIT DIAGRAM FOR F MODE 1/ 2 ELECTRICAL CIRCUIT DIAGRAM FOR F MODE 2/ 2 ….2141
PW170ES- 6K Serial number K32001 and up PW170ES- 6K Serial number K32001 and up INSTALLATION OF OPERATOR'S CAB ASSEMBLY ….2300
REMOVAL OF COUNTERWEIGHT ASSEMBLY ….2301
INSTALLATION OF COUNTERWEIGHT ASSEMBLY ….2301
REMOVAL OF GOVERNOR PUMP CONTROLLER ASSEMBLY ….2302
INSTALLATION OF GOVERNOR, PUMP CONTROLLER ASSEMBLY ….2302
REMOVAL OF MONITOR PANEL ASSEMBLY ….2303
INSTALLATION OF MONITOR PANEL ASSEMBLY ….2303
DISASSEMBLY OF SWING MACHINERY ASSEMBLY ( SPECIAL TOOLS FOR SWING MACHINERY) ( SPECIAL TOOLS FOR SWING MACHINERY) TRANSMISSION ….2342
FRONT AXLE ….2395
REAR AXLE ….2413
ADAPTER WELDING INSTRUCTION – ELECTRODE WELDING ….2427
OUTRIGGER CYLINDER ….2430
REMOVAL OF OUTRIGGER CYLINDER ….2430
INSTALLATION OF OUTRIGGER CYLINDER ….2430
BLADE CYLINDER ….2431
REMOVAL OF BLADE CYLINDER ….2431
INSTALLATION OF BLADE CYLINDER ….2431
MAINTENANCE STANDARD ….2433
ENGINE MOUNT ….2434
SWING MACHINERY CONTROL VALVE SUCTION- SAFETY VALVE ….2446
SWING MOTOR WORK EQUIPMENT, SWING PPC VALVE ….2448
EPC SOLENOID VALVE ….2449
CENTER SWIVEL JOINT ….2450
ARM, BOOM SAFETY VALVE ….2451
HYDRAULIC CYLINDER ….2452
WORK EQUIPMENT ….2453
WORK EQUIPMENT – ONE PIECE BOOM ….2454
WORK EQUIPMENT – TWO PIECE BOOM ….2455
DIMENSIONS OF WORK EQUIPMENT ….2457
DOZER BLADE AND OUTRIGGERS HYDRAULIC CYLINDERS ….2461
OUTRIGGER BUSH PINS ….2462
TRANSMISSION ….2463
FRONT AXLE ….2464
REAR AXLE ….2465
ARM ROTATION CIRCLE ….2466
UEBM001001 – Wheeled Excavator PW170ES-6K Shop Manual….2469
COVER….2469
CONTENTS….2470
01 GENERAL….2470
FOREWORD….2476
HOW TO READ THE SHOP MANUAL….2477
HOISTING INSTRUCTIONS….2478
COATING MATERIALS….2479
STANDARD TIGHTENING TORQUE….2480
ELECTRIC WIRE CODE….2482
CONVERSION TABLE….2483
10 STRUCTURE AND FUNCTION….2490
ENGINE RELATED PARTS….2491
RADIATOR, OIL COOLER, AFTERCOOLER….2492
POWER TRAIN….2493
SWING CIRCLE….2494
SWING MACHINERY….2495
UNDERCARRIAGE….2497
TRANSMISSION….2498
AXLE….2501
SUSPENSION LOCK CYLINDER….2505
BRAKING TRAIN….2507
BRAKE PEDAL….2508
BRAKE VALVE….2509
ACCUMULATOR FOR BRAKE SYSTEM….2510
STEERING TRAIN….2511
STEERING COLUMN….2513
HYDRAULIC CIRCUIT DIAGRAM….2514
HYDRAULIC TANK….2516
HYDRAULIC PUMP….2517
CONTROL VALVE….2536
CLSS….2546
SWING MOTOR….2581
CENTER SWIVEL JOINT….2584
TRAVEL MOTOR (FRONT, REAR)….2585
WORK EQUIPMENT, SWING PPC VALVE….2587
TRAVEL PPC PEDAL….2591
SERVICE PPC VALVE….2592
SAFETY LOCK VALVE….2595
PPC ACCUMULATOR….2595
PPC SHUTTLE VALVE, TRAVEL JOINT VALVE….2596
EPC, SOLENOID VALVE….2600
BOOM HOLDING VALVE….2614
HYDRAULIC CYLINDERS….2618
WORK EQUIPMENT….2622
ELECTRICAL WIRING DIAGRAM….2623
ELECTRICAL WIRING DIAGRAM….2624
ELECTRICAL WIRING DIAGRAM….2625
EUROPEAN SPECIFICATIONS….2626
TRAVEL ALARM FOR USA SPECIFICATIONS….2627
ENGINE CONTROL SYSTEM….2628
ELECTRONIC CONTROL SYSTEM….2634
MACHINE MONITOR SYSTEM….2657
REVERSE ALARM….2664
BREAKER MODE HYDRAULIC PERFORMANCE….2666
20 TESTING AND ADJUSTING….2668
TABLE OF JUDGEMENT STANDARD VALUE….2669
STANDARD VALUE TABLE FOR ELECTRICAL PARTS….2679
CHECKING AND ADJUSTING BELT TENSION FOR AIR CONDITIONER COMPRESSION….2687
ADJUSTING ENGINE SPEED SENSOR….2688
TESTING AND ADJUSTING GOVERNOR MOTOR LEVER STROKE….2689
TESTING CLEARANCE OF SWING CIRCLE BEARING….2691
TESTING AND ADJUSTING HYDRAULIC PRESSURE IN WORK EQUIPMENT, SWING, TRAVEL CIRCUIT….2692
TESTING AND ADJUSTING TVC VALVE OUTPUT PRESSURE (SERVO PISTON INPUT PRESSURE)….2695
TESTING AND ADJUSTING LS VALVE OUTPUT PRESSURE (SERVO PISTON INPUT PRESSURE) AND LS DIFFERENTIAL PRESSURE….2697
TESTING AND ADJUSTING PPC PRESSURE ….2700
TESTING EPC VALVE, SOLENOID VALVE OUTPUT PRESSURE….2702
MEASURING PPC VALVE OUTPUT PRESSURE AND TESTING PPC SHUTTLE VALVE….2704
ADJUSTING WORK EQUIPMENT, SWING PPC VALVE….2706
TESTING LOCATION CAUSING HYDRAULIC DRIFT OF WORK EQUIPMENT….2707
MEASURING OIL LEAKAGE….2709
RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT….2710
BLEEDING AIR….2711
ACCUMULATORS….2713
TROUBLESHOOTING….2717
POINTS TO REMEMBER WHEN TROUBLESHOOTING….2718
SEQUENCE OF EVENTS IN TROUBLESHOOTING….2719
PRECAUTIONS WHEN CARRYING OUT MAINTENANCE….2720
CHECKS BEFORE TROUBLESHOOTING….2727
CONNECTOR TYPES….2728
CONNECTION TABLE FOR CONNECTOR PIN NUMBERS….2733
EXPLANATION OF CONTROL MECHANISM OF ELECTRICAL SYSTEM….2746
DISPLAY METHOD AND SPECIAL FUNCTIONS OF MONITOR PANEL….2747
METHOD OF USING JUDGEMENT TABLE….2755
METHOD OF USING TROUBLESHOOTING CHARTS….2757
DETAILS OF TROUBLESHOOTING AND TROUBLESHOOTING PROCEDURE….2759
SERVICE CODE TABLE….2764
TROUBLESHOOTING OF COMMUNICATION ABNORMALITY SYSTEM (N MODE)….2766
N-1 [E218] COMMUNICATION ABNORMALITY….2767
TROUBLESHOOTING OF GOVERNOR, PUMP CONTROLLER (GOVERNOR CONTROL SYSTEM)(E MODE)….2769
POINTS TO REMEMBER WHEN CARRYING OUT TROUBLESHOOTING OF GOVERNOR, PUMP CONTROLLER SYSTEM….2770
ACTION TAKEN BY CONTROLLER AND CONDITION OF MACHINE WHEN ABNORMALITY OCCURS….2771
JUDGEMENT TABLE FOR GOVERNOR, PUMP GOVERNOR (GOVERNOR CONTROL SYSTEM) AND ENGINE RELATED PARTS….2775
ELECTRICAL CIRCUIT DIAGRAM OF GOVERNOR, PUMP CONTROLLER (GOVERNOR CONTROL SYSTEM)….2777
E-1 ABNORMALITY IN GOVERNOR, PUMP CONTROLLER POWER SOURCE (CONTROLLER LED IS OFF)….2779
E-2 [E308] ABNORMALITY IN FUEL CONTROL DIAL INPUT VALUE IS DISPLAYED….2780
E-3 [E317] ABNORMALITY (DISCONNECTION) IN MOTOR DRIVE SYSTEM IS DISPLAYED….2781
E-4 [E318] ABNORMALITY (SHORT CIRCUIT) IN MOTOR DRIVE SYSTEM IS DISPLAYED….2782
E-5 [E306] ABNORMALITY IN FEEDBACK POTENTIOMETER SYSTEM IS DISPLAYED….2783
E-6 [E315] ABNORMALTIY (SHORT CIRCUIT) IN BATTERY RELAY OUTPUT SYSTEM IS DISPLAYED….2784
E-7 [E316] ABNORMALITY (STEP-OUT) IN MOTOR IS DISPLAYED….2785
E-8 ENGINE DOES NOT START….2787
E-9 ENGINE SPEED IS IRREGULAR….2789
A) IDLING SPEED IS IRREGULAR….2789
B) THERE IS HUNTING….2791
E-10 LACK OF OUTPUT (ENGINE HIGH IDLING SPEED IS TOO LOW)….2793
E-11 ENGINE DOES NOT STOP….2795
E-12 DEFECTIVE OPERATION OF BATTERY RELAY SYSTEM (ENGINE DOES NOT STOP)….2797
TROUBLESHOOTING OF ENGINE (S MODE)….2798
METHOD OF USING TROUBLESHOOTING CHARTS….2799
S-1 STARTING PERFORMANCE IS POOR (STARTING ALWAYS TAKES TIME)….2803
S-2 ENGINE DOES NOT START….2804
(1) ENGINE DOES NOT RUN….2804
(2) ENGINE TURNS BUT NO EXHAUST SMOKE COMES OUT (FUEL IS NOT BEING INJECTED)….2805
(3) EXHAUST SMOKE COMES OUT BUT ENGINE DOES NOT START (FUEL IS BEING INJECTED)….2806
S-3 ENGINE DOES NOT PICK UP SMOOTHLY ….2807
S-4 ENGINE STOPS DURING OPERATIONS….2808
S-5 ENGINE DOES NOT ROTATE SMOOTHLY (HUNTING)….2809
S-6 ENGINE LACKS OUTPUT (NO POWER)….2810
S-7 EXHAUST SMOKE IS BLACK ….2811
S-8 OIL CONSUMPTION IS EXCESSIVE, OR EXHAUST GAS IS BLUE….2812
S-9 OIL BECOMES CONTAMINATED QUICKLY….2813
S-10 FUEL CONSUMPTION IS EXCESSIVE….2814
S-11 OIL IS IN COOLING WATER….2815
S-12 OIL PRESSURE CAUTION LAMP LIGHT UP (DROP IN OIL PRESSURE)….2816
S-13 OIL LEVEL RISES (WATER, FUEL IN OIL)….2817
S-14 WATER TEMPERATURE BECOMES TOO HIGH (OVERHEATING)….2818
S-15 ABNORMAL NOISE IS MADE….2819
S-16 VIBRATION IS EXCESSIVE….2820
TROUBLESHOOTING OF GOVERNOR, PUMP CONTROLLER SYSTEM (PUMP CONTROL SYSTEM) (C MODE)….2821
POINTS TO REMEMBER WHEN CARRYIN GOUT TROUBLESHOOTING OF PUMP CONTROLLER SYSTEM….2822
ACTION TAKEN BY CONTROLLER AND CONDITION OF MACHINE WHEN ABNORMALITY OCCURS….2823
JUDGEMENT TABLE FOR GOVERNOR, PUMP CONTROLLER AND HYDRAULIC RELATED PARTS….2829
ELECTRICAL CIRCUIT DIAGRAM OF C MODE SYSTEMS….2831
C-1 ABNORMALITY IN CONTROLLER POWER SOURCE SYSTEM (CONTROLLER LED IS OFF)….2833
C-2 [E232] SHORT CIRCUIT IN PUMP TVC SOLENOID SYSTEM IS DISPLAYED….2834
C-3 [E233] DISCONNECTION PUMP TVC SOLENOID SYSTEM IS DISPLAYED….2836
C-8 [E203] SHORT CIRCUIT IN SWING BRAKE SOLENOID SYSTEM IS DISPLAYED….2838
C-9 [E213] DISCONNECTION IN SWING BRAKE SOLENOID SYSTEM IS DISPLAYED….2840
C-10 [E205] SHORT CIRCUIT IN 2-STAGE RELIEF SOLENOID SYSTEM IS DISPLAYED….2842
C-11 [E215] DISCONNECTION IN 2-STAGE RELIEF SOLENOID SYSTEM IS DISPLAYED….2843
C-12 [E206] SHORT CIRCUIT IN TRAVEL SPEED SOLENOID SYSTEM IS DISPLAYED….2844
C-13 [E216] DISCONNECTION IN TRAVEL SPEED SELECTOR SOLENOID SYSTEM IS DISPLAYED….2845
C-14 [E217] MODEL SELECTION INPUT ERROR IS DISPLAYED….2846
C-15 [E222] SHORT CIRCUIT IN LS-EPC SOLENOID SYSTEM IS DISPLAYED….2847
C-16 [E223] DISCONNECTION IN LS-EPC SOLENOID SYSTEM DISPLAYS….2848
C-17 [E224] ABNORMALITY IN PUMP PRESSURE SENSOR SYSTEM IS DISPLAYED….2849
C-19 [E226] ABNORMALITY IN PRESSURE SENSOR POWER SOURCE SYSTEM IS DISPLAYED….2850
C-20 [E227] ABNORMALITY IN ENGINE SPEED SENSOR SYSTEM IS DISPLAYED….2851
TROUBLESHOOTING OF GOVERNOR, PUMP CONTROLLER (INPUT SIGNAL SYSTEM) (F MODE)….2852
ELECTRICAL CIRCUIT DIAGRAM FOR F MODE….2853
F-1 BIT PATTERN 20-(1) SWING OIL PRESSURE SWITCH DOES NOT LIGHT UP….2855
F-2 BIT PATTERN 20-(2) TRAVEL OIL PRESSURE SWITCH DOES NOT LIGHT UP….2856
F-3 BIT PATTERN 20-(3) BOOM LOWER OIL PRESSURE SWITCH DOES NOT LIGHT UP….2857
F-4 BIT PATTERN 20-(4) BOOM RAISE OIL PRESSURE SWITCH DOES NOT LIGHT UP….2858
F-5 BIT PATTERN 20-(5) ARM IN OIL PRESSURE SWITCH DOES NOT LIGHT UP….2859
F-6 BIT PATTERN 20-(6) ARM OUT OIL PRESSURE SWITCH DOES NOT LIGHT UP….2860
F-7 BIT PATTERN 21-(1) BUCKET CURL OIL PRESSURE SWITCH DOES NOT LIGHT UP ….2861
F-8 BIT PATTERN 21-(2) BUCKET DUMP OIL PRESSURE SWITCH DOES NOT LIGHT UP….2862
F-9 BIT PATTERN 21-(3) SWING LOCK SWITCH DOES NOT LIGHT UP….2863
F-11 BIT PATTERN 22-(6) L.H. KNOB SWITCH DOES NOT LIGHT UP….2864
TROUBLESHOOTING OF HYDRAULIC, MECHANICAL SYSTEM (H MODE)….2866
TABLE OF FAILURE MODES AND CAUSES….2867
ALL WORK EQUIPMENT, TRAVEL, SWING….2871
H-1 SPEED OF ALL WORK EQUIPMENT, SWING, TRAVEL ARE SLOW OR LACK POWER….2871
H-2 THERE IS EXCESSIVE DROP IN ENGINE SPEED, OR ENGINE STALLS….2873
H-3 NO WORK EQUIPMENT, TRAVEL, SWING MOVE….2874
H-4 ABNORMAL NOISE GENERATED (AROUND PUMP)….2874
H-5 AUTO-DECELERATION DOES NOT WORK ….2875
H-6 FINE CONTROL ABILITY IS POOR OR RESPONSE IS POOR….2875
WORK EQUIPMENT….2877
H-7 BOOM IS SLOW OR LACK POWER….2877
H-8 ARM IS SLOW OR LACKS POWER….2879
H-9 BUCKET IS SLOW OR LACKS POWER….2881
H-10 WORK EQUIPMENT (BOOM, ARM, BUCKET) DOES NOT MOVE ….2882
H-11 EXCESSIVE HYDRAULIC DRIFT (BOOM, ARM, BUCKET)….2882
H-12 EXCESSIVE TIME LAG (ENGINE AT LOW IDLING)….2883
H-13 OTHER EQUIPMENT MOVES WHEN SINGLE CIRCUIT IS RELIEVED….2883
H-14 IN F/O MODES, WORK EQUIPMENT SPEED IS FASTER THAN SPECIFIED SPEED….2884
H-15 LACK OF POWER WHEN PRESSURE RISES….2884
COMPUND OPERATIONS….2884
H-16 IN COMPOUND OPERATIONS, WORK EQUIPMENT WITH LARGER LOAD IS SLOW….2884
H-17 IN SWING + BOOM RAISE, BOOM RAISE IS SLOW….2885
TRAVEL SYSTEM….2887
H-21 TRAVEL SPEED IS SLOW….2887
H-23 TRAVEL SPEED DOES NOT SWITCH OR IS FASTER THAN SPECIFIED SPEED….2889
SWING SYSTEM….2890
H-25 DOES NOT SWING (BOTH LEFT AND RIGHT, ONE DIRECTION ONLY)….2890
H-26 SWING ACCELERATION IS POOR OR SWING SPEED IS SLOW (BOTH LEFT AND RIGHT, ONE DIRECTION ONLY)….2891
H-27 EXCESSIVE OVERRUN WHEN STOPPING SWING (BOTH LEFT AND RIGHT, ONE DIRECTION ONLY)….2893
H-28 EXCESSIVE SHOCK WHEN STOPPING SWING (ONE DIRECTION ONLY)….2894
H-29 EXCESSIVE ABNORMAL NOISE WHEN STOPPING SWING….2894
H-30 EXCESSIVE HYDRAULIC DRIFT OF SWING (WHEN BRAKE IS ON, WHEN BRAKE IS OFF)….2895
H-31 SWING SPEED IS FASTER THAN SPECIFIED SWING SPEED….2896
TROUBLESHOOTING OF MACHINE PANEL SYSTEM (M MODE)….2898
ACTION TAKEN BY PANEL AND CONDITION OF MACHINE WHEN ABNORMALITY OCCURS….2899
30 DISASSEMBLY AND ASSEMBLY….2934
METHOD OF USING MANUAL….2936
PRECAUTIONS WHEN CARRYING OUT OPERATION….2938
SPECIAL TOOL LIST….2940
GOVERNOR MOTOR ASSEMBLY….2943
REMOVAL AND INSTALLATION….2943
HYDRAULIC COOLER ASSEMBLY….2944
REMOVAL….2944
RADIATOR, HYDRAULIC COOLER ASSEMBLY….2945
REMOVAL….2945
INSTALLATION….2946
ENGINE, MAIN PUMP ASSEMBLY….2947
REMOVAL….2947
INSTALLATION….2950
DAMPER ASSEMBLY….2951
REMOVAL AND INSTALLATION….2951
FUEL TANK ASSEMBLY….2952
REMOVAL AND INSTALLATION….2952
CENTER SWIVEL JOINT ASSEMBLY….2953
REMOVAL AND INSTALLATION….2953
SWING MOTOR ASSEMBLY….2954
REMOVAL AND INSTALLATION….2955
SWING MACHINERY ASSEMBLY….2955
REMOVAL AND INSTALLATION….2955
SWING MOTOR ….2957
DISASSEMBLY AND ASSEMBLY….2957
REVOLVING FRAME ASSEMBLY ….2964
REMOVAL….2964
INSTALLATION….2966
SWING CIRCLE ASSEMBLY….2967
REMOVAL AND INSTALLATION….2967
HYDRAULIC TANK ASSEMBLY….2969
REMOVAL ….2969
INSTALLATION….2970
MAIN PUMP ASSEMBLY….2971
REMOVAL….2971
INSTALLATION….2972
CONTROL VALVE ASSEMBLY….2973
REMOVAL….2973
INSTALLATION….2974
DISASSEMBLY AND ASSEMBLY….2975
LS SELECT VALVE ASSEMBLY….2979
DISASSEMBLY AND ASSEMBLY….2979
LS SHUTTLE VALVE….2980
DISASSEMBLY AND ASSEMBLY….2980
PRESSURE COMPENSATION VALVE ASSEMBLY….2981
DISASSEMBLY AND ASSEMBLY….2981
MAIN RELIEF VALVE ASSEMBLY….2983
DISASSEMBLY….2983
ASSEMBLY….2984
LS CONTROL EPC VALVE ASSEMBLY….2985
REMOVAL AND INSTALLATION….2985
EPC SOLENOID VALVE ASSEMBLY….2986
REMOVAL AND INSTALLATION….2986
PPC SHUTTLE VALVE ASSEMBLY….2987
REMOVAL….2987
INSTALLATION….2988
DISASSEMBLY….2989
ASSEMBLY….2990
WORK EQUIPMENT PPC VALVE ASSEMBLY….2991
REMOVAL AND INSTALLATION….2991
TRAVEL PPC VALVE ASSEMBLY….2992
REMOVAL AND INSTALLATION….2992
BOOM CYLINDER ASSEMBLY….2993
REMOVAL….2993
INSTALLATION….2994
ARM CYLINDER ASSEMBLY….2995
REMOVAL….2995
INSTALLATION….2996
BUCKET CYLINDER ASSEMBLY….2997
REMOVAL….2997
INSTALLATION….2998
HYDRAULIC CYLINDER ASSEMBLY….2999
DISASSEMBLY….2999
ASSEMBLY….3001
WORK EQUIPMENT ASSEMBLY….3004
REMOVAL….3004
INSTALLATION….3005
BUCKET ASSEMBLY….3006
REMOVAL ….3006
INSTALLATION….3006
ARM ASSEMBLY….3006
REMOVAL….3006
INSTALLATION….3006
BUCKET, ARM ASSEMBLY….3008
REMOVAL….3008
INSTALLATION….3008
BOOM ASSEMBLY….3010
REMOVAL….3010
INSTALLATION….3011
OPERATOR'S CAB ASSEMBLY….3012
REMOVAL ….3012
INSTALLATION….3014
COUNTERWEIGHT ASSEMBLY….3015
REMOVAL AND INSTALLATION….3015
GOVERNOR, PUMP CONTROLLER ASSEMBLY….3016
REMOVAL AND INSTALLATION….3016
MONITOR PANEL ASSEMBLY….3017
REMOVAL AND INSTALLATION….3017
SWING MACHINERY ASSEMBLY….3019
DISASSEMBLY….3019
ASSEMBLY….3034
(SPECIAL TOOLS FOR SWING MACHINERY)….3055
TRANSMISSION….3056
FRONT AXLE….3063
REAR AXLE….3081
BUCKET ADAPTOR….3095
WELDING INSTRUCTIONS….3095
OUT RIGGER + BLADE CYLINDER….3098
40 MAINTENANCE STANDARD….3100
ENGINE MOUNT….3101
SWING MACHINERY….3102
SWING CIRCLE….3104
CONTROL VALVE….3105
SUCTION-SAFETY VALVE….3113
SWING MOTOR….3114
WORK EQUIPMENT, SWING PPC VALVE….3115
PPC SHUTTLE VALVE, TRAVEL JUNCTION VALVE….3116
EPC SOLENOID VALVE….3117
CENTER SWIVEL JOINT….3118
BOOM SAFETY VALVE (ARM SAFETY VALVE)….3119
HYDRAULIC CYLINDER….3120
WORK EQUIPMENT….3121
DOZER BLADE, OUTRIGGER CYLINDERS….3129
OUTRIGGER BUSH PINS….3130
TRANSMISSION….3131
FRONT AXLE….3132
REAR AXLE….3133
ARM ROTATION CIRCLE….3134
Komatsu Wheeled Excavator PW170ES-6K Repair Service Manuals
INSTANT DOWNLOAD
