Complete service repair manual with Electrical Wiring Diagrams for Komatsu PC150-6K, PC150LC-6K Hydraulic Excavator, with all the technical information to maintain, diagnose, repair, rebuild like professional mechanics.
Komatsu PC150-6K, PC150LC-6K Hydraulic Excavator 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.
CEBM001601 – Hydraulic Excavator PC150-6K, PC150LC-6K Shop Manual.pdf
UEBD000701 – Hydraulic Excavator PC150-6K, PC150LC-6K Shop Manual.pdf
EEAM008801 – Hydraulic Excavator PC150-6K, PC150LC-6K Operation & Maintenance Manual.pdf
UEAD000401 – Hydraulic Excavator PC150-6K, PC150LC-6K Operation & Maintenance Manual.pdf
UEAM000403 – Hydraulic Excavator PC150-6K, PC150LC-6K Operation & Maintenance Manual.pdf
Total Pages: 2,095 pages
File Format: PDF
Language: English
CEBM001601 – Hydraulic Excavator PC150-6K, PC150LC-6K Shop Manual…2
EEAM008801 – Hydraulic Excavator PC150-6K, PC150LC-6K Operation & Maintenance Manual…619
COVER PAGE…619
1. FOREWORD…620
2. SAFETY INFORMATION…621
3. INTRODUCTION…622
4. LOCATION OF PLATES, TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR…623
5. CONTENTS…625
SAFETY…629
6. GENERAL PRECAUTIONS…630
7. PRECAUTIONS DURING OPERATION…636
7.1 BEFORE STARTING ENGINE…636
7.2 OPERATING MACHINE…638
7.3 TRANSPORTATION…643
7.4 BATTERY…644
7.5 TOWING…645
7.6 BUCKET WITH HOOK…646
8. PRECAUTIONS FOR MAINTENANCE…649
8.1 BEFORE CARRYING OUT MAINTENANCE…649
8.2 DURING MAINTENANCE…652
9. POSITION FOR ATTACHING SAFETY LABELS…656
OPERATION…660
10. GENERAL VIEW…661
10.1 GENERAL VIEW OF MACHINE…661
10.2 GENERAL VIEW OF CONTROLS AND GAUGES…662
11. EXPLANATION OF COMPONENTS…663
11.1 MACHINE MONITOR…663
11.2 SWITCHES…674
11.3 CONTROL LEVERS, PEDALS…678
11.4 ROOF HATCH…683
11.5 FRONT WINDOW…684
11.6 DOOR LOCK…686
11.7 CAP, COVER WITH LOCK…687
11.8 LUGGAGE TRAY…688
11.9 ASHTRAY…688
11.10 HEATER…688
11.11 AIR CONDITIONER…689
11.12 CAB RADIO…692
11.13 FUSE…693
11.14 FUSIBLE LINK…694
11.15 CONTROLLERS…694
11.16 TOOL BOX…694
11.17 REFUELLING PUMP…694
11.18 HANDLING THE ACCUMULATOR…695
12. OPERATION…697
12.1 CHECK BEFORE STARTING ENGINE…697
12.2 STARTING ENGINE…707
12.3 OPERATIONS AND CHECKS AFTER STARTING ENGINE…710
12.4 MOVING MACHINE OFF…716
12.5 STEERING MACHINE…719
12.6 STOPPING MACHINE…721
12.7 SWINGING…722
12.8 OPERATION OF WORK EQUIPMENT…723
12.9 WORKING MODE SELECTION…724
12.10 PROHIBITIONS FOR OPERATION…726
12.11 PRECAUTIONS FOR OPERATION…728
12.12 PRECAUTIONS WHEN TRAVELLING UP OR DOWN HILLS…729
12.13 HOW TO ESCAPE FROM MUD…731
12.14 WORK POSSIBLE USING HYDRAULIC EXCAVATOR…732
12.15 REPLACEMENT AND INVERSION OF BUCKET…733
12.16 PARKING THE MACHINE…735
12.17 CHECK AFTER FINISHING WORK…736
12.18 STOPPING ENGINE…737
12.19 CHECK AFTER STOPPING ENGINE…738
12.20 LOCKING…738
12.21 OVERLOAD WARNING DEVICE…738
13. TRANSPORTATION…739
13.1 LOADING, UNLOADING WORK…739
13.2 PRECAUTIONS FOR LOADING…741
13.3 PRECAUTIONS FOR TRANSPORTATION…742
13.4 LIFTING THE MACHINE…742
14. COLD WEATHER OPERATION…744
14.1 PRECAUTIONS FOR LOW TEMPERATURE…744
14.2 PRECAUTIONS AFTER COMPLETION OF WORK…745
14.3 AFTER COLD WEATHER…745
15. LONG-TERM STORAGE…746
15.1 BEFORE STORAGE…746
15.2 DURING STORAGE…747
15.3 AFTER STORAGE…747
15.4 STARTING MACHINE AFTER LONG-TERM STORAGE…747
16. TROUBLESHOOTING…748
16.1 PHENOMENA THAT ARE NOT FAILURES…748
16.2 METHOD OF TOWING MACHINE…748
16.3 USING METHOD FOR LIGHT-WEIGHT TOWING HOLE…748
16.4 PRECAUTIONS ON PARTICULAR JOBSITES…749
16.5 IF BATTERY IS DISCHARGED…749
16.6 OTHER TROUBLE…753
MAINTENANCE…758
17. GUIDES TO MAINTENANCE…759
18. OUTLINES OF SERVICE…762
18.1 OUTLINE OF OIL, FUEL, COOLANT…762
18.2 OUTLINE OF ELECTRIC SYSTEM…766
18.3 OUTLINE OF HYDRAULIC SYSTEM…767
19. WEAR PARTS LIST…768
20. USE FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE…769
21. STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS…773
21.1 INTRODUCTION OF NECESSARY TOOLS…773
21.2 TORQUE LIST…774
22. PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS…775
23. MAINTENANCE SCHEDULE CHART…777
23.1 MAINTENANCE SCHEDULE CHART…777
23.2 MAINTENANCE WHEN USING HYDRAULIC BREAKER…779
24. SERVICE PROCEDURE…780
24.1 WHEN REQUIRED…781
24.2 CHECK BEFORE STARTING…802
24.3 EVERY 100 HOURS SERVICE…808
24.4 EVERY 250 HOURS SERVICE…811
24.5 EVERY 500 HOURS SERVICE…818
24.6 EVERY 1000 HOURS SERVICE…824
24.7 EVERY 2000 HOURS SERVICE…829
24.8 EVERY 4000 HOURS SERVICE…836
SPECIFICATIONS…837
25.0 SPECIFICATIONS…838
25.1 MACHINE SPECIFICATIONS…838
25.2 EXPLANATION OF LIFTING CAPACITY CHART…841
OPTIONS, ATTACHMENTS…845
26. GENERAL PRECAUTIONS…846
26.1 PRECAUTIONS RELATED TO SAFETY…846
26.2 PRECAUTIONS WHEN INSTALLING ATTACHMENTS…847
27. HANDLING BUCKET WITH HOOK…848
27.1 CHECKING FOR DAMAGE TO BUCKET WITH HOOK…848
27.2 PROHIBITED OPERATIONS…848
27.3 PRECAUTIONS DURING OPERATIONS…848
28. USING SEAT BELT…849
28.1 SEAT BELT…849
29. MACHINES READY FOR ATTACHMENTS…851
29.1 EXPLANATION OF COMPONENTS…851
29.2 HYDRAULIC CIRCUIT…853
29.3 ATTACHMENT MOUNTING/DISMOUNTING PROCEDURE…855
29.4 OPERATION…857
29.5 LONG TERM STORAGE…858
29.6 SPECIFICATIONS…858
30. INTRODUCTION OF ATTACHMENTS…859
30.1 SPECIFICATION, USE…859
30.2 ATTACHMENT INSTALLATION COMBINATION TABLE…860
30.3 SELECTION OF TRACK SHOES…861
30.4 SELECTION OF BUCKET TEETH…862
30.5 HANDLING TRAPEZOIDAL BUCKET…863
30.6 HANDLING THE CLAMSHELL BUCKET…864
31. EXTENDING MACHINE SERVICE LIFE…865
31.1 HYDRAULIC BREAKER…865
31.2 POWER RIPPER…868
31.3 FORK GRAB…869
31.4 GRAPPLE BUCKET…870
31.5 SCRAP GRAPPLE…871
31.6 CRUSHER & SMASHER…872
31.7 HYDRAULIC PILE DRIVER…873
31.8 HYDRAULIC EXCAVATOR WITH MULTIPURPOSE CRANE…874
UEAD000401 – Hydraulic Excavator PC150-6K, PC150LC-6K Operation & Maintenance Manual…876
COVER…876
1. FOREWORD…877
2. SAFETY INFORMATION…878
3. INTRODUCTION…882
4. LOCATION OF PLATES, TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR…883
5. CONTENTS…885
SAFETY…889
6. GENERAL PRECAUTIONS…890
7. PRECAUTIONS DURING OPERATION…896
7.1 BEFORE STARTING ENGINE…896
7.2 OPERATING MACHINE…898
7.3 TRANSPORTATION…903
7.4 BATTERY…904
7.5 TOWING…905
7.6 BUCKET WITH HOOK…906
8. PRECAUTIONS FOR MAINTENANCE…909
8.1 BEFORE CARRYING OUT MAINTENANCE…909
8.2 DURING MAINTENANCE…912
9. POSITION FOR ATTACHING SAFETY LABELS…916
OPERATION…921
10. GENERAL VIEW…922
10.1 GENERAL VIEW OF MACHINE…922
10.2 GENERAL VIEW OF CONTROLS AND GAUGES…923
11. EXPLANATION OF COMPONENTS…924
11.1 MACHINE MONITOR…924
11.2 SWITCHES…935
11.3 CONTROL LEVERS, PEDALS…939
11.4 ROOF HATCH…944
11.5 FRONT WINDOW…945
11.6 DOOR LOCK…947
11.7 CAP, COVER WITH LOCK…948
11.8 LUGGAGE BOX…949
11.9 ASHTRAY…949
11.10 HEATER…949
11.11 AIR CONDITIONER…951
11.12 CAB RADIO…954
11.13 FUSE…955
11.14 FUSIBLE LINK…956
11.15 CONTROLLERS…956
11.16 TOOL BOX…956
11.17 REFUELLING PUMP…956
11.18 HANDLING THE ACCUMULATOR…957
12. OPERATION…959
12.1 CHECK BEFORE STARTING ENGINE…959
12.2 STARTING ENGINE…969
12.3 OPERATIONS AND CHECKS AFTER STARTING ENGINE…972
12.4 MOVING MACHING OFF…978
12.5 STEERING MACHINE…981
12.6 STOPPING MACHINE…983
12.7 SWINGING…984
12.8 OPERATION OF WORK EQUIPMENT…985
12.9 WORKING WITH MODE/ACTIVE MODE SELECTION…986
12.10 PROHIBITIONS FOR OPERATION…990
12.11 PRECAUTIONS FOR OPERATION…992
12.12 PRECAUTIONS WHEN TRAVELLING UP OR DOWN HILLS…993
12.13 HOW TO ESCAPE FROM MUD…995
12.14 WORK POSSIBLE USING HYDRAULIC EXCAVATOR…996
12.15 REPLACEMENT AND INVERSION OF BUCKET…997
12.16 PARKING THE MACHINE…999
12.17 CHECK AFTER FINISHING WORK…1000
12.18 STOPPING ENGINE…1001
12.19 CHECK AFTER STOPPING ENGINE…1002
12.20 LOCKING…1002
12.21 OVERLOAD WARNING DEVICE…1002
13. TRANSPORATION…1003
13.1 LOADING, UNLOADING WORK…1003
13.2 PRECAUTIONS FOR LOADING…1005
13.3 PRECAUTIONS FOR TRANSPORATION…1006
13.4 LIFTING THE MACHINE…1006
14. COLD WEATHER OPERATION…1008
14.1 PRECAUTIONS FOR LOW TEMPERATURE…1008
14.2 PRECAUTIONS AFTER COMPLETION OF WORK…1009
14.3 AFTER COLD WEATHER…1009
15. LONG-TERM STORAGE…1010
15.1 BEFORE STORAGE…1010
15.2 DURING STORAGE…1011
15.3 AFTER STORAGE…1011
15.4 STARTING MACHINE AFTER LONG-TERM STORAGE…1011
16. TROUBLESHOOTING…1012
16.1 PHENOMENA THAT ARE NOT FAILURES…1012
16.2 METHOD OF TOWING MACHINE…1012
16.3 USING METHOD FOR LIGHT-WEIGHT TOWING HOLE…1012
16.4 PRECAUTIONS ON PARTICULAR JOBSITES…1013
16.5 IF BATTERY IS DISCHARGED…1013
16.6 OTHER TROUBLE…1016
MAINTENANCE…1021
17. GUIDES TO MAINTENANCE…1022
18. OUTLINES OF SERVICE…1025
18.1 OUTLINE OF OIL, FUEL, COOLANT…1025
18.2 OULINE OF ELECTRIC SYSTEM…1029
18.3 OUTLINE OF HYDRAULIC SYSTEM…1030
19. WEAR PARTS LIST…1031
20. USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE…1032
21. STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS…1036
21.1 INTRODUCTION OF NECESSARY TOOLS…1036
21.2 TORQUE LIST…1037
22. PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS…1038
23. MAINTENANCE SCHEDULE CHART…1040
23.1 MAINTENANCE SCHEDULE CHART…1040
23.2 MAINTENANCE WHEN USING HYDRAULIC BREAKER…1042
24. SERVICE PROCEDURE…1043
24.0 INITIAL 250 HOURS SERVICE…1043
24.1 WHEN REQUIRED …1044
24.2 CHECK BEFORE STARTING…1065
24.3 EVERY 100 HOURS SERVICE…1071
24.4 EVERY 250 HOURS SERVICE…1074
24.5 EVERY 500 HOURS SERVICE…1079
24.6 EVERY 1000 HOURS SERVICE…1086
24.7 EVERY 2000 HOURS SERVICE…1089
24.8 EVERY 4000 HOURS SERVICE…1092
24.9 EVERY 5000 HOURS SERVICE…1093
SPECIFICATIONS…1099
25. SPECIFICATION…1100
25.1 MACHINE SPECIFICATIONS…1100
25.2 EXPLANATION OF LIFTING CAPACITY CHART…1105
OPTIONS, ATTACHEMENTS…1107
26. GENERAL PRECAUTIONS…1108
26.1 PRECAUTIONS RELATED TO SAFETY…1108
26.2 PRECAUTIONS WHEN INSTALLING ATTACHMENTS…1109
27. HANDLING BUCKET WITH HOOK…1110
27.1 CHECKING FOR DAMAGE TO BUCKET WITH HOOK…1110
27.2 PROHIBITED OPERATIONS…1110
27.3 PRECAUTIONS DURING OPERATIONS…1110
28. USING SEAT BELT…1111
28.1 SEAT BELT…1111
29. MACHINES READY FOR ATTACHMENTS…1112
29.1 EXPLANATION OF COMPONENTS…1112
29.2 HYDRAULIC CIRCUIT…1114
29.3 ATTACHMENT MOUNTING/DISMOUNTING PROCEDURE…1116
29.4 OPERATION…1118
29.5 LONG TERM STORAGE…1119
29.6 SPECIFICATIONS…1119
30. INTRODUCTION OF ATTACHMENTS…1120
30.1 SPECIFICATION, USE…1120
30.2 ATTACHMENT INSTALLATION COMBINATION TABLE…1121
30.3 SELECTION OF TRACK SHOES…1122
30.4 SELECTION OF BUCKET TEETH…1123
30.5 HANDLING TRAPEZOIDAL BUCKET…1124
30.6 HANDLING EXTENSTION ARM…1125
31. EXTENDING MACHINE SERVICE LIFE…1126
31.1 HYDRAULIC BREAKER…1126
31.2 POWER RIPPER…1129
31.3 FORK GRAB…1130
31.4 GRAPPLE BUCKET …1131
31.5 SCRAP GRAPPLE…1132
31.6 CRUSHER & SMASHER…1133
31.7 HYDRAULIC PILE DRIVER…1134
31.8 HYDRAULIC EXCAVATOR WITH MULIT-PURPOSE CRANE…1135
UEAM000403 – Hydraulic Excavator PC150-6K, PC150LC-6K Operation & Maintenance Manual…1137
FOREWORD…1139
SAFETY INFORMATION…1141
SAFETY MESSAGES…1141
VIBRATION…1142
INTRODUCTION…1143
INTENDED USE…1143
FEATURES…1143
BREAKING IN YOUR NEW MACHINE…1143
LOCATION OF PLATES, TABLES TO ENTER SERIAL NO. AND DISTRIBUTOR…1145
MACHINE SERIAL NO. PLATE POSITION…1145
ENGINE SERIAL NO. PLATE POSITION…1145
TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR…1145
MACHINE SERIAL PLATE…1146
SAFETY…1151
GENERAL PRECAUTIONS…1152
PRECAUTIONS DURING OPERATION…1160
BEFORE STARTING ENGINE…1160
OPERATING MACHINE…1163
TRANSPORTATION…1170
BATTERY…1171
TOWING…1172
BUCKET WITH HOOK…1173
GENERAL PRECAUTIONS…1173
PRECAUTIONS FOR LIFTING OPERATION…1174
PRECAUTIONS FOR MAINTENANCE…1176
BEFORE CARRYING OUT MAINTENANCE…1176
DURING MAINTENANCE…1179
POSITION FOR ATTACHING SAFETY LABELS…1184
POSITION FOR ATTACHING SAFETY LABELS…1184
Memo…1189
OPERATION…1191
GENERAL VIEW…1192
GENERAL VIEW OF MACHINE…1192
GENERAL VIEW OF CONTROLS AND GAUGES…1193
EXPLANATION OF COMPONENTS…1195
MACHINE MONITOR…1195
A: BASIC CHECK ITEMS…1197
B: CAUTION ITEMS…1198
C: EMERGENCY STOP ITEMS…1199
D: METER DISPLAY PORTION…1200
METERS…1201
E: SWITCHES…1203
SWITCHES…1206
CONTROL LEVERS, PEDALS…1212
CEILING WINDOW…1216
CLEAR RAIN VISOR…1216
PULL DOWN SUN VISOR…1216
CUP HOLDER…1217
FRONT WINDOW…1218
DOOR LOCK…1220
CAP, COVER WITH LOCK…1220
LUGGAGE TRAY…1221
ASHTRAY…1222
HEATER…1223
VIEW OF CONTROL PANEL…1223
AIR CONDITIONER (option)…1225
GENERAL LOCATIONS ON CONTROL PANEL…1225
AIR CONDITIONER SWITCH…1227
OFF SWITCH…1227
DEFROSTER SELECTOR LEVER…1227
PRECAUTIONS WHEN USING AIR CONDITIONER…1227
CHECK, MAINTAIN MACHINE EQUIPPED WITH AIR CONDITIONER…1228
CAB RADIO (option)…1228
FUSE…1229
Fuse capacity and name of circuit…1229
FUSIBLE LINK…1230
CONTROLLERS…1230
TOOL BOX…1230
REFUELLING PUMP…1231
HANDLING THE ACCUMULATOR…1232
METHOD FOR RELEASING PRESSURE IN CONTROL CIRCUIT OF MACHINES EQUIPPED WITH ACCUMULATOR…1232
OPERATION…1233
CHECK BEFORE STARTING ENGINE…1233
WALK-AROUND CHECK…1233
CHECK BEFORE STARTING…1234
ADJUSTMENT BEFORE OPERATION OPERATOR’S SEAT…1239
USING THE SEAT BELT…1241
OPERATIONS AND CHECKS BEFORE STARTING ENGINE…1242
STARTING ENGINE…1244
NORMAL STARTING…1244
STARTING IN COLD WEATHER…1245
OPERATIONS AND CHECKS AFTER STARTING ENGINE…1246
WHEN NORMAL…1246
IN COLD AREAS (AUTOMATIC WARMING-UP OPERATION)…1248
MOVING MACHINE OFF…1252
MOVING MACHINE FORWARD…1252
MOVING MACHINE BACKWARD…1253
STEERING MACHINE…1254
STEERING (changing direction)…1254
STOPPING MACHINE…1256
SWINGING…1257
OPERATION OF WORK EQUIPMENT…1258
HANDLING ACTIVE MODE…1259
WORKING MODE SELECTION…1260
PROHIBITIONS FOR OPERATION…1262
PRECAUTIONS FOR OPERATION…1264
PRECAUTIONS WHEN TRAVELLING UP OR DOWN HILLS…1265
HOW TO ESCAPE FROM MUD…1266
WHEN ONE SIDE IS STUCK…1266
WHEN BOTH SIDES ARE STUCK…1266
WORK POSSIBLE USING HYDRAULIC EXCAVATOR…1267
BACKHOE WORK…1267
SHOVEL WORK…1267
DITCHING WORK…1267
LOADING WORK…1268
REPLACEMENT AND INVERSION OF BUCKET…1268
REPLACEMENT…1268
INVERSION…1269
PARKING THE MACHINE…1270
CHECK AFTER FINISHING WORK…1271
STOPPING ENGINE…1271
CHECK AFTER STOPPING ENGINE…1272
LOCKING…1273
OVERLOAD WARNING DEVICE…1273
TRANSPORTATION…1274
LOADING, UNLOADING WORK…1274
PRECAUTIONS FOR LOADING…1276
PRECAUTIONS FOR TRANSPORTATION…1276
METHOD OF LIFTING MACHINE…1277
COLD WEATHER OPERATION…1279
PRECAUTIONS FOR LOW TEMPERATURE…1279
FUEL AND LUBRICANTS…1279
COOLANT…1279
BATTERY…1280
PRECAUTIONS AFTER COMPLETION OF WORK…1280
AFTER COLD WEATHER…1281
LONG-TERM STORAGE…1282
BEFORE STORAGE…1282
DURING STORAGE…1282
AFTER STORAGE…1283
STARTING MACHINE AFTER LONG-TERM STORAGE…1283
TROUBLESHOOTING…1284
PHENOMENA THAT ARE NOT FAILURES…1284
METHOD OF TOWING MACHINE…1284
USING METHOD FOR LIGHT-WEIGHT TOWING HOLE…1285
PRECAUTIONS ON PARTICULAR JOBSITES…1285
IF BATTERY IS DISCHARGED…1286
STARTING ENGINE WITH BOOSTER CABLE…1287
OTHER TROUBLE…1289
ELECTRICAL SYSTEM…1289
CHASSIS…1290
ENGINE…1291
ENGINE (cont’d)…1292
ELECTRONIC CONTROL SYSTEM…1293
MAINTENANCE…1295
GUIDES TO MAINTENANCE…1296
OUTLINES OF SERVICE…1299
OUTLINE OF OIL, FUEL, COOLANT…1299
OIL…1299
FUEL…1300
COOLANT…1300
GREASE…1301
STORING OIL AND FUEL…1301
FILTERS…1301
EXPLANATION OF LUBRICATION CHART DECAL…1302
OUTLINE OF ELECTRICAL SYSTEM…1304
OUTLINE OF HYDRAULIC SYSTEM…1304
WEAR PARTS LIST…1306
USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE…1307
PROPER SELECTION OF FUEL, COOLANT AND LUBRICANTS…1307
STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS…1309
LIST OF NECESSARY TOOLS…1309
TORQUE LIST…1310
PERIODIC REPLACEMENT OF SAFETY CRITICAL PARTS…1311
MAINTENANCE SCHEDULE CHART…1313
MAINTENANCE SCHEDULE CHART…1313
MAINTENANCE WHEN USING HYDRAULIC BREAKER…1316
SERVICE PROCEDURE…1317
INITIAL 250 HOURS SERVICE…1317
WHEN REQUIRED…1317
CHECK, CLEAN AND REPLACE AIR CLEANER ELEMENT…1317
CLEAN INSIDE OF COOLING SYSTEM…1319
CHECKING COOLANT LEVEL…1321
DRAINING THE SYSTEM…1321
CLEANING THE SYSTEM…1322
FILLING THE SYSTEM…1323
REFILLING AN OVERHEATED SYSTEM…1323
CLEANING THE RADIATOR…1323
CLEANING THE RADIATOR PRE SCREEN…1324
THERMOSTATS…1324
FAN…1324
CHECK AND TIGHTEN TRACK SHOE BOLTS…1325
CHECK and adjust TRACK TENSION…1325
CHECK ELECTRICAL INTAKE AIR HEATER…1328
CHECK ALTERNATOR…1328
CHECK START MOTOR…1328
REPLACE BUCKET SIDE CUTTERS…1329
REPLACE BUCKET TEETH…1329
ADJUST BUCKET CLEARANCE…1330
CHECK WINDOW WASHER FLUID LEVEL, ADD FLUID…1331
CHECK, MAINTAIN AIR CONDITIONER…1332
CLEAN INLINE FILTER…1333
CHECK BEFORE STARTING…1333
CHECK COOLANT LEVEL, ADD COOLANT…1333
CHECK OIL LEVEL IN ENGINE OIL PAN, ADD OIL…1334
CHECK FUEL LEVEL, ADD FUEL…1334
CHECK OIL LEVEL IN HYDRAULIC TANK, ADD OIL…1335
CHECK AIR CLEANER FOR CLOGGING…1336
CHECK ELECTRIC WIRINGS…1336
CHECK FUNCTION OF HORN…1337
CHECK FOR WATER IN FUEL SEDIMENTOR…1337
CHECK FOR WATER IN PRIMARY FUEL FILTER, DRAIN WATER…1337
EVERY 100 HOURS SERVICE…1338
LUBRICATING…1338
CHECK OIL LEVEL IN SWING MACHINERY CASE, ADD OIL…1340
DRAIN WATER AND SEDIMENT FROM FUEL TANK…1340
CLEAN FRESH AIR INTAKE FILTER…1341
EVERY 250 HOURS SERVICE…1342
CHECK OIL LEVEL IN FINAL DRIVE CASE, ADD OIL…1342
CHECK LEVEL OF BATTERY ELECTROLYTE…1342
LUBRICATE SWING CIRCLE (2 POINTS)…1343
BELTS, GENERAL…1343
CHECK ALTERNATOR, FAN AND WATER PUMP BELT TENSION, ADJUST CHECKING TENSION…1344
CHECK AIR CONDITIONER COMPRESSOR BELT TENSION, ADJUST…1345
EVERY 500 HOURS SERVICE…1346
REPLACE FUEL FILTER CARTRIDGE…1346
CHECK SWING PINION GREASE LEVEL, ADD GREASE…1348
CHANGE OIL IN ENGINE OIL PAN, REPLACE ENGINE OIL FILTER CARTRIDGE…1349
CLEAN AND INSPECT RADIATOR FINS, OIL COOLER FINS AND CONDENSER FINS (ONLY FOR MACHINES EQUIPPED W….1350
REPLACE HYDRAULIC FILTER ELEMENT…1351
EVERY 1000 HOURS SERVICE…1352
CHANGE OIL IN SWING MACHINERY CASE…1352
CHECK ALL TIGHTENING PARTS OF TURBOCHARGER…1353
CHECK PLAY OF TURBOCHARGER ROTOR…1353
CHECK AND ADJUST VALVE CLEARANCE…1353
CHECK FAN BELT TENSIONER BEARING BELT AND FAN HUB…1353
CHECK FAN BELT TENSION…1354
EVERY 2000 HOURS SERVICE…1354
CHANGE OIL IN FINAL DRIVE CASE…1354
CLEAN HYDRAULIC TANK STRAINER…1355
CLEAN, CHECK TURBOCHARGER…1355
CHECK ALTERNATOR, STARTING MOTOR…1355
CHECK ENGINE VALVE CLEARANCE, ADJUST…1355
CHECK VIBRATION DAMPER…1355
CHANGE ANTI FREEZE…1356
EVERY 4000 HOURS SERVICE…1356
CHECK WATER PUMP…1356
EVERY 5000 HOURS SERVICE…1356
CHANGE OIL IN HYDRAULIC TANK…1356
Memo…1361
SPECIFICATIONS…1363
SPECIFICATIONS…1364
PC150-6K, PC150LC-6K…1364
LIFTING CAPACITY CHART…1369
OPTIONS, ATTACHMENTS…1371
PRECAUTIONS RELATED TO SAFETY…1372
PRECAUTIONS WHEN INSTALLING ATTACHMENTS…1373
HANDLING BUCKET WITH HOOK…1374
CHECKING FOR DAMAGE TO BUCKET WITH HOOK…1374
PROHIBITED OPERATIONS…1374
PRECAUTIONS DURING OPERATIONS…1374
MACHINES READY FOR ATTACHMENTS…1375
1. STOP VALVE…1375
3. CONTROL PEDAL FOR ATTACHMENT…1375
4. ACCUMULATOR…1376
5. HYDRAULIC CIRCUIT…1376
Change-over hydraulic circuit…1376
CONNECTING HYDRAULIC CIRCUIT…1377
ATTACHMENT MOUNTING/DISMOUNTING PROCEDURE…1378
OPERATION…1379
LONG TERM STORAGE…1380
SPECIFICATIONS…1381
INTRODUCTION OF ATTACHMENTS…1382
SPECIFICATION, USE…1382
ATTACHMENT INSTALLATION COMBINATION TABLE…1383
SELECTION OF TRACK SHOES…1384
SELECTION OF BUCKET TEETH…1386
HANDLING TRAPEZOIDAL BUCKET…1386
HANDLING THE CLAMSHELL BUCKET…1388
EXTENDING MACHINE SERVICE LIFE…1389
HYDRAULIC BREAKER…1389
POWER RIPPER…1392
MAIN FIELDS OF APPLICATIONS…1392
FORK GRAB…1394
GRAPPLE BUCKET…1395
SCRAP GRAPPLE…1396
CRUSHER & SMASHER…1397
HYDRAULIC PILE DRIVER…1399
HYDRAULIC EXCAVATOR WITH MULTIPURPOSE CRANE…1400
Memo…1402
UEBD000701 – Hydraulic Excavator PC150-6K, PC150LC-6K Shop Manual…1403
COVER…1403
CONTENTS…1404
SAFETY…1408
SAFETY NOTICE…1408
FOREWORD…1410
GENERAL…1410
HOW TO READ THE SHOP MANUAL…1411
HOISTING INSTRUCTIONS…1412
COATING MATERIALS…1413
STANDARD TIGHTENING TORQUE…1414
ELECTRIC WIRE CODE…1416
CONVERSION TABLE…1417
01 GENERAL…1424
SPECIFICATIONS…1425
SPECIFICATON DRAWINGS…1428
WEIGHT TABLE…1429
FUEL, COOLANT AND LUBRICANTS…1431
10 STRUCTURE AND FUNCTION…1434
ENGINE RELATED PARTS…1435
RADIATOR • OIL COOLER…1436
POWER TRAIN…1437
FINAL DRIVE…1438
SWING CIRCLE…1439
SWING MACHINERY…1440
TRACK FRAME, RECOIL SPRING…1442
TRACK SHOE…1443
HYDRAULIC CIRCUIT DIAGRAM…1446
HYDRAULIC TANK…1447
HYDRAULIC PUMP…1449
CONTROL VALVE…1456
CLSS…1462
SWING MOTOR…1499
CENTER SWIVEL JOINT…1501
TRAVEL MOTOR…1502
VALVE CONTROL…1510
WORK EQUIPMENT – SWING PPC VALVE…1511
TRAVEL PPC PEDAL…1515
TRAVEL PPC VALVE PEDAL…1519
SAFETY LOCK VALVE…1522
PPC ACCUMULATOR…1522
PPC SHUTTLE • TRAVEL JUNCTION VALVE…1523
EPC • SOLENOID VALVE…1530
HYDRAULIC CYLINDER…1535
ADDITIONAL FILTER FOR BREAKING…1537
BOOM HOLDING VALVE…1538
WORK EQUIPMENT…1545
ELECTRICAL CIRCUIT DIAGRAM FOR E MODE…1546
ENGINE CONTROL SYSTEM…1547
ELECTRONIC CONTROL SYSTEM…1553
MACHINE MONITOR SYSTEM…1577
20 TESTING AND ADJUSTING…1589
TABLE OF JUDGEMENT STANDARD VALUE…1590
STANDARD VALUE TABLE FOR ELECTRICAL PARTS…1600
CHECKING AND ADJUSTING BELT TENSION FOR AIR CONDITIONER COMPRESSORR…1608
ADJUSTING ENGINE SPEED SENSOR…1609
TESTING AND ADJUSTING GOVERNOR MOTOR LEVER STROKE…1610
TESTING CLEARANCE OF SWING CIRCLE BEARING…1612
TESTING AND ADJUSTING TRACK SHOE TENSION…1613
TESTING AND ADJUSTING HYDRAULIC PRESSURE IN WORK EQUIPMENT, SWING, TRAVEL CIRCUIT…1614
TESTING AND ADJUSTING TVC VALVE OUTPUT (SERVO PISTON INPUT PRESSURE)…1622
TESTING AND ADJUSTING LS VALVE OUTPUT PRESSURE (SERVO PISTON INPUT PRESSURE) AND LS DIFFERENTIAL…1624
TESTING AND ADJUSTING PILOT CIRCUIT OIL PRESSURE…1627
TESTING AND ADJUSTING EPC VALVE SOLENOID VALVE OUTPUT PRESSURE…1629
MEASURING PPC VALVE OUTPUT PRESSURE AND TESTING PPC SHUTTLE VALVE…1631
ADJUSTING WORK EQUIPMENT, SWING PPC VALVE…1633
TESTING TRAVEL DEVIATION…1634
TESTING LOCATIONS CAUSING HYDRAULIC DRIFT OF WORK EQUIPMENT…1635
MEASURING OIL LEAKAGE…1637
RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT…1639
BLEEDING AIR…1640
TROUBLESHOOTING…1643
POINTS TO REMEMBER WHEN TROUBLESHOOTING…1644
SEQUENCE OF EVENTS IN TROUBLESHOOTING…1645
PRECAUTIONS WHEN CARRYING OUT MAINTENANCE…1646
CHECKS BEFORE TROUBLESHOOTING…1653
CONNECTOR TYPES AND MOUNTING LOCATIONS…1654
CONNECTION TABLE FOR CONNECTOR PIN NUMBERS…1659
EXPLANATION OF CONTROL MECHANISM OF ELECTRICAL SYSTEM…1672
DISPLAY METHOD AND SPECIAL FUNCTIONS OF MONITOR PANEL…1673
METHOD OF USING JUDGEMENT TABLE…1681
METHOD OF USING TROUBLESHOOTING CHARTS…1683
DETAILS OF TROUBLESHOOTING AND TROUBLESHOOTING PROCEDURE…1685
SERVICE CODE TABLE…1690
TROUBLESHOOTING OF COMMUNICATION ABNORMALITY SYSTEM (N MODE)…1691
N-1 [E218] COMMUNICATION ABNOMALITY…1692
TROUBLESHOOTING OF GOVERNOR, PUMP CONTROLLER (GOVERNOR CONTROL SYSTEM) (E MODE)…1694
POINTS TO REMEMBER WHEN CARRYING OUT TROUBLESHOOTING OF GOVERNOR, PUMP CONTROLLER SYSTEM…1695
ACTION TAKEN BY CONTROLLER WHEN ABNORMALITY OCCURS AND PROBLEMS ON MACHINE…1696
JUDGEMENT TABLE FOR GOVERNOR, PUMP GOVERNOR (GOVERNOR CONTROL SYSTEM) AND ENGINE RELATED PARTS…1700
ELECTRICAL CIRCUIT DIAGRAM OF GOVERNOR, PUMP CONTROLLER (GOVERNOR CONTROL SYSTEM) …1702
E-1 ABNORMALITY IN GOVERNOR, PUMP CONTROLLER POWER SOURCE (CONTROLLER LED IS OFF)…1704
E-2 [E308] ABNORMALITY IN FUEL CONTROL DIAL INPUT VALUE IS DISPLAYED…1705
E-3 [E317] ABNORMALITY (DISCONNECTION) IN MOTOR DRIVE SYSTEM IS DISPLAYED…1706
E-4 [E318] ABNORMALITY (SHORT CIRCUIT) IN MOTOR DRIVE SYSTEM IS DISPLAYED…1707
E-5 [E306] ABNORMALITY IN FEEDBACK POTENTIOMETER SYSTEM IS DISPLAYED…1708
E-6 [E315] ABNORMALITY (SHORT CIRCUIT IN BATTERY RELAY OUTPUT)…1709
E-7 [E316] ABNORMALITY (STEP-OUT) IN MOTOR IS DISPLAYED…1710
E-8 ENGINE DOES NOT START…1712
E-9 ENGINE SPEED IS IRREGULAR…1714
A) IDLING SPEED IS IRREGULAR…1714
B) THERE IS HUNTING…1716
E-10 LACK OF OUTPUT (ENGINE HIGH IDLING SPEED IS TOO LOW)…1718
E-11 ENGINE DOES NOT STOP…1720
E-12 DEFECTIVE OPERATION OF BATTERY RELAY SYSTEM (ENGINE DOES NOT STOP)…1722
TROUBLESHOOTING OF ENGINE SYSTEM (S MODE)…1725
METHOD OF USING TROUBLESHOOTING CHARTS…1726
S-1 STARTING PERFORMANE IS POOR (STARTING ALWAYS TAKES TIME)…1730
S-2 ENGINE DOES NOT START…1731
(1) ENGINE DOES NOT RUN…1731
(2) ENGINE TURNS BUT NO EXHAUST SMOKE COMES OUT (FUEL IS NOT BEING INJECTED)…1732
(3) EXHAUST SMOKE COMES OUT BUT ENGINE DOES NOT START (FUEL IS BEING INJECTED)…1733
S-3 ENGINE DOES NOT PICK UP SMOOTHLY (FOLLOW-UP IS POOR)…1734
S-4 ENGINE STOP DURING OPERATIONS…1735
S-5 ENGINE DOES NOT ROTATE SMOOTHLY (HUNTING)…1736
S-6 ENGINE LACKS OUTPUT (NO POWER)…1737
S-7 EXHAUST SMOKE IS BLACK (INCOMPLETE COMBUSTION)…1738
S-8 OIL CONSUMPTION IS EXCESSIVE (OR EXHAUST SMOKE IS BLUE)…1739
S-9 OIL BECOMES CONTAMINATED QUICKLY…1740
S-10 FUEL CONSUMPTION IS EXCESSIVE…1741
S-11 OIL IS IN COOLING WATER, OR WATER SPURTS BACK, OR LEVEL GOES DOWN…1742
S-12 OIL PRESSURE CAUTION LAMP LIGHT UP (DROP IN OIL PRESSURE)…1743
S-13 OIL LEVEL RISES (WATER, FUEL IN OIL)…1744
S-14 WATER TEMPERATURE BECOMES TOO HIGH (OVERHEATING)…1745
S-15 ABNORMAL NOISE IS MADE…1746
S-16 VIBRATION IS EXCESSIVE…1747
TROUBLESHOOTING OF GOVERNOR, PUMP CONTROLLER (PUMP CONTROL SYSTEM) (C MODE)…1748
POINTS TO REMEMBER WHEN TROUBLESHOOTING PUMP CONTROLLER SYSTEM…1749
ACTION TAKEN BY CONTROLLER WHEN ABNORMALITY OCCURS AND PROBLEMS ON MACHINE…1750
JUDGEMENT TABLE FOR GOVERNOR, PUMP CONTROLLER (PUMP CONTROL SYSTEM) AND HYDRAULIC RELATED PARTS…1756
ELECTRICAL CIRCUIT DIAGRAM FOR C MODE…1758
C-1 ABNORMALITY IN CONTROLLER POWER SOURCE SYSTEM (CONTROLLER LED IS OFF)…1760
C-2 [E232] SHORT CIRCUIT IN PUMP TVC SOLENOID SYSTEM IS DISPLAYED…1761
C-3 [E233] DISCONNECTION IN PUMP TVC SOLENOID SYSTEM IS DISPLAYED…1763
C-6 [E201] SHORT CIRCUIT IN ACTIVE MODE SOLENOID SYSTEM IS DISPLAYED…1765
C-8 [E203] SHORT CIRCUIT IN SWING BRAKE SOLENOID SYSTEM IS DISPLAYED…1767
C-9 [E213] DISCONNECTION IN SWING BRAKE SOLENOID SYSTEM IS DISPLAYED…1769
C-10 [E205] SHORT CIRCUIT IN 2-STAGE RELIEF SOLENOID SYSTEM IS DISPLAYED…1771
C-11 [E215] DISCONNECTION IN 2-STAGE RELIEF SOLENIOD SYSTEM IS DISPLAYED…1772
C-12 [E206] SHORT CIRCUIT IN TRAVEL SPEED SOLENOID SYSTEM IS DISPLAYED…1773
C-13 [E216] DISCONNECTION IN TRAVEL SPEED SELECTOR SOLENOID SYSTEM IS DISPLAYED…1774
C-14 [E217] MODEL SELECTION INPUT ERROR IS DISPLAYED…1775
C-15 [E222] SHORT CIRCUIT IN LS-EPC SOLENOID SYSTEM IS DISPLAYED…1777
C-16 [E223] DISCONNECTION IN LS-EPC SOLENOID SYSTEM DISPLAYS…1778
C-17 [E224] ABNORMALITY IN PUMP PRESSURE SENSOR SYSTEM IS DISPLAYED…1779
C-19 [E226] ABNORMALITY IN PRESSURE SENSOR POWER SOURCE SYSTEM IS DISPLAYED…1780
C-20 [E227] ABNORMALITY IN ENGINE SPEED SENSOR SYSTEM IS DISPLAYED…1781
TROUBLESHOOTING OF GOVERNOR, PUMP CONTROLLER (INPUT SIGNAL SYSTEM) (F MODE)…1783
ELECTRICAL CIRCUIT DIAGRAM FOR F MODE…1785
F-1 BIT PATTERN 20-(1) SWING OIL PRESSURE SWITCH DOES NOT LIGHT UP…1787
F-2 BIT PATTERN 20-(2) TRAVEL OIL PRESSURE SWITCH DOES NOT LIGHT UP…1788
F-3 BIT PATTERN 20-(3) BOOM LOWER OIL PRESSURE SWITCH DOES NOT LIGHT UP…1789
F-4 BIT PATTERN 20-(4) BOOM RAISE OIL PRESSURE SWITCH DOES NOT LIGHT UP…1790
F-5 BIT PATTERN 20-(5) ARM IN OIL PRESSURE SWITCH DOES NOT LIGHT UP…1791
F-6 BIT PATTERN 20-(6) ARM OUT OIL PRESSURE SWITCH DOES NOT LIGHT UP…1792
F-7 BIT PATTERN 21-(1) BUCKET CURL OIL PRESSURE SWITCH DOES NOT LIGHT UP…1793
F-8 BIT PATTERN 21-(2) BUCKET DUMP OIL PRESSURE SWITCH DOES NOT LIGHT UP…1794
F-9 BIT PATTERN 21-(3) SWING LOCK DOES NOT LIGHT UP…1795
F-10 BIT PATTERN 22-(5) KEROSENE MODE CONNECTION DOES NOT LIGHT UP…1796
F-11 BIT PATTERN 22-(6) L.H. KNOB SWITCH DOES NOT LIGHT UP…1797
TROUBLESHOOTING OF HYDRAULIC, MECHANICAL SYSTEM (H MODE)…1798
TABLE OF FAILURE MODES AND CAUSES…1799
ALL WORK EQUIPMENT, TRAVEL, SWING…1803
H-1 SPEEDS OF ALL WORK EQUIPMENT, SWING, TRAVEL ARE SLOW OR LACK POWER…1803
H-2 THERE IS EXCESSIVE DROP IN ENGINE SPEED, OR ENGINE STALLS…1805
H-3 NO WORK EQUIPMENT, TRAVEL, SWING MOVE…1806
H-4 ABNORMAL NOISE GENERATED (AROUND PUMP)…1806
H-5 AUTO-DECELERATION DOES NOT WORK (WHEN PPC SHUTTLE VALVE IS CAUSE)…1807
H-6 FINE CONTROL ABILITY IS POOR OR RESPONSE IS POOR…1807
WORK EQUIPMENT…1809
H-7 BOOM IS SLOW OR LACKS POWER…1809
H-8 ARM IS SLOW OR LACKS POWER…1811
H-9 BUCKET IS SLOW OR LACKS POWER…1813
H-10 WORK EQUIPMENT (BOOM, ARM, BUCKET) DOES NOT MOVE…1814
H-11 EXCESSIVE HYDRAULIC DRIFT (BOOM, ARM, BUCKET)…1814
H-12 EXCESSIVE TIME LAG (ENGINE AT LOW IDLING…1815
H-13 OTHER EQUIPMENT MOVES WHEN SINGLE CIRCUIT IS RELIEVED…1815
H-14 IN F/O MODES, WORK EQUIPMENT SPEED IS FASTER THAN SPECIFIED SPEED…1816
H-15 LACK OF POWER WHEN PRESSURE RISES…1816
COMPOUND OPERATIONS…1816
H-16 IN COMPOUND OPERATIONS, WORK EQUIPMENT WITH LARGER LOAD IS SLOW…1816
H-17 IN SWING + BOOM RAISE, BOOM RAISE IS SLOW…1817
TRAVEL SYSTEM…1818
H-20 TRAVEL DEVIATION…1818
H-21 TRAVEL SPEED IS SLOW…1819
H-22 STEERING DOES NOT TURN EASILY OR LACKS POWER…1821
H-23 TRAVEL SPEED DOES NOT SWITCH OR IS FASTER THAN SPECIFIED SPEED…1823
H-24 TRAVEL DOES NOT MOVE (ONE SIDE ONLY)…1823
SWING SYSTEM…1824
H-25 DOES NOT SWING (BOTH LEFT AND RIGHT, ONE DIRECTION ONLY)…1824
H-26 SWING ACCELERATION IS POOR OR SWING SPEED IS SLOW…1825
H-27 EXCESSIVE OVERRUN WHEN STOPPING SWING (BOTH LEFT AND RIGHT, ONE DIRECTION ONLY)…1827
H-28 EXCESSIVE SHOCK WHEN STOPPING SWING (ONE DIRECTION ONLY)…1828
H-29 EXCESSIVE ABNORMAL NOISE WHEN STOPPING SWING…1828
H-30 EXCESSIVE HYDARULIC DRIFT OF SWING…1829
H-31 SWING SPEED IS FASTER THAN SPECIFIED SWING SPEED…1830
TROUBLESHOOTING OF MACHINE MONITOR SYSTEM (M MODE)…1832
ACTION TAKEN BY MONITOR PANEL WHEN ABNORMALITY OCCURS AND PROBLEMS ON MACHINE…1833
ELECTRICAL CIRCUIT DIAGRAM FOR M MODE…1836
M-1 [E101] ABNORMALITY IN ERROR DATA IS DISPLAYED…1838
M-1 [E102] ERROR IN CLOCK DATA IS DISPLAYED…1838
M-2 [E103] SHORT CIRCUIT IN BUZZER OUTPUT OR CONTRACT OF 24V WIRING HARNESS WITH BUZZER DRIVE HARNESS IS DISPLAYED…1839
M-3 [E104] AIR CLOGGING DETECTED IS DISPLAYED…1840
M-4 [E106] DROP IN ENGINE OIL PRESSURE HI DETECTED IS DISPLAYED…1840
M-5 [E108] ENGINE WATER TEPERATURE 105°C DETECTED IS DISPLAYED…1841
M-6 WHEN STARTING SWITCH IS TURNED ON, NONE OF LAMPS ON MONITOR PANEL LIGHT UP FOR THREE SECONDS…1842
M-7 WHEN STARTING SWITCH IS TURNED ON, MONITOR PANEL LAMPS ALL STAY LIT UP AND DO NOT GO OUT…1844
M-8 WHEN STARTING SWITCH IS TURNED ON, ITEMS LIT UP ON MONITOR PANEL ARE DIFFERENT FROM ACTUAL MACHINE (MODEL)…1844
M-9 WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED), BASIC CHECK ITEMS FLASHES…1845
M-10 PREHEATING IS NOT BEING USED BY (PREHEATING MONITOR LIGHT UP)…1847
M-11 WHEN STARTING SWITCH IS TURNED ON AND ENGINE IS STARTED, BASIC CHECK ITEMS FLASH…1848
M-12 WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED), CAUTION ITEMS, EMERGENCY ITEMS FLASH (BATTERY, ENGINE OIL PRESSURE LAMPS DO NOT LIGHT UP)…1850
M-13 WHEN STARTING SWITCH IS TURNED ON AND ENGINE IS STARTED, CAUTION ITEM, EMERGENCY ITEMS FLASH (WHEN THERE IS NO ABNORMALITY IN ENGINE OR ITEMS TO CHECK BEFORE TROUBLESHOOTING)…1852
M-14 WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED), BUZZER DOES NOT SOUND FOR 1 SECOND CAUTION ITEM FLASHES BUT BUZZER DOES NOT SOUND…1855
M-15 NO ABNORMALITY IS DISPLAYED ON MONITOR BUT BUZZER SOUNDS…1855
M-16 NIGHT LIGHTING ON MONITOR PANEL DOES NOT LIGHT UP (LIQUID CRYSTAL DISPLAY IS NORMAL)…1856
M-17 COOLANT TEMPERATURE GAUGE DOES NOT RISE…1857
M-18 COOLANT TEMPERATURE GAUGE DOES NOT GIVE ANY DISPLAY (NONE OF GAUGE LAMPS LIGHT UP DURING OPERATION)…1857
M-19 FUEL LEVEL GAUGE ALWAYS DISPLAYS FULL…1858
M-20 FUEL LEVEL GAUGE DOES NOT GIVE DISPLAY…1858
M-21 SWING LOCK SWITCH IS TURNED ON (LOCK) BUT (SWING LOCK MONITOR) DOES NOT LIGHT UP…1859
M-22 SWING PROLIX SWITCH IS TURNED ON (PROLIX), BUT (SWING LOCK MONITOR) DOES NOT FLASH…1859
M-23 SERVICE METER DOES NOT ADVANCE WHILE ENGINE IS RUNNING…1860
M-24 WHEN STARTING SWITCH IS AT OFF AND TIME SWITCH IS PRESSED, TIME AND SERVICE METER ARE NOT DISPLAYED…1860
M-25 DEFECTIVE FUEL LEVEL SENSOR SYSTEM…1861
M-26 DEFECTIVE COOLANT TEMPERATURE SENSOR SYSTEM…1862
M-27 DEFECTIVE ENGINE OIL LEVEL SENSOR SYSTEM…1863
M-28 DEFECTIVE COOLANT LEVEL SENSOR SYSTEM…1864
M-30 WIPER DOES NOT WORK OR SWITCH IS NOT BEING USED BUT WIPER IS ACTUATED…1865
30 DISASSEMBLY AND ASSEMBLY…1871
METHOD OF USING MANUAL…1873
PRECAUTIONS WHEN CARRYING OUT OPERATION…1875
SPECIAL TOOL LIST…1877
GOVERNOR MOTOR ASSEMBLY…1880
REMOVAL AND INSTALLATION…1880
HYDRAULIC OIL COOLER ASSEMBLY…1881
REMOVAL AND INSTALLATION…1881
RADIATOR, HYDRAULIC OIL COOLER ASSEMBLY…1882
REMOVAL…1882
INSTALLATION…1883
ENGINE, MAIN PUMP ASSEMBLY…1884
REMOVAL…1884
INSTALLATION…1887
DAMPER ASSEMBLY…1888
REMOVAL AND INSTALLATION…1888
FUEL TANK/HYDRAULIC OIL TANK ASSEMBLY…1889
REMOVAL AND INSTALLATION…1889
CENTER SWIVEL JOINT ASSEMBLY…1891
DISASSEMBLY AND ASSEMBLY…1891
TRAVEL MOTOR ASSEMBLY…1892
REMOVAL AND INSTALLATION…1892
FINAL DRIVE ASSEMBLY…1893
REMOVAL AND INSTALLATION…1893
SPROCKET…1895
REMOVAL AND INSTALLATION…1895
SWING MOTOR ASSEMBLY…1896
REMOVAL AND INSTALLATION…1896
SWING MACHINERY ASSEMBLY…1897
REMOVAL AND INSTALLATION…1897
SWING MOTOR…1899
DISASSEMBLY AND ASSEMBLY…1899
REVOLVING FRAME ASSEMBLY…1906
REMOVAL…1906
INSTALLATION…1907
SWING CIRCLE ASSEMBLY…1908
REMOVAL AND INSTALLATION…1908
IDLER, RECOIL SPRING ASSEMBLY…1910
REMOVAL AND INSTALLATION…1910
RECOIL SPRING ASSEMBLY…1911
DISASSEMBLY…1911
ASSEMBLY…1912
IDLER ASSEMBLY…1913
DISASSEMBLY…1913
ASSEMBLY…1914
TRACK ROLLER ASSEMBLY…1916
REMOVAL AND INSTALLATION…1916
DISASSEMBLY…1917
ASSEMBLY…1918
CARRIER ROLLER ASSEMBLY…1920
REMOVAL AND INSTALLATION…1920
DISASSEMBLY…1921
ASSEMBLY…1922
TRACK SHOE ASSEMBLY…1924
REMOVAL AND INSTALLATION…1924
MAIN PUMP ASSEMBLY…1927
REMOVAL…1927
INSTALLATION…1928
CONTROL VALVE ASSEMBLY…1929
REMOVAL…1929
INSTALLATION…1930
DISASSEMBLY AND ASSEMBLY…1931
LS SELECT VALVE ASSEMBLY…1935
DISASSEMBLY AND ASSEMBLY…1935
LS SHUTTLE VALVE…1936
DISASSEMBLY AND ASSEMBLY…1936
PRESSURE COMPENSATION VALVE ASSEMBLY…1937
DISASSEMBLY AND ASSEMBLY…1937
MAIN RELIEF VALVE ASSEMBLY…1939
DISASSEMBLY…1939
ASSEMBLY…1940
LS CONTROL EPC VALVE ASSEMBLY…1941
REMOVAL AND INSTALLATION…1941
SOLENOID VALVE ASSEMBLY…1942
REMOVAL AND INSTALLATION…1942
PPC SHUTTLE VALVE ASSEMBLY…1943
REMOVAL…1943
INSTALLATION…1944
DISASSEMBLY…1945
ASSEMBLY…1946
WORK EQUIPMENT, SWING PPC VALVE ASSEMBLY…1947
REMOVAL AND INSTALLATION…1947
TRAVEL PPC VALVE ASSEMBLY…1948
REMOVAL AND INSTALLATION…1948
DISASSEMBLY …1949
ASSEMBLY…1949
BOOM CYLINDER ASSEMBLY…1951
REMOVAL…1951
INSTALLATION…1952
ARM CYLINDER ASSEMBLY…1953
REMOVAL…1953
INSTALLATION…1954
BUCKET CYLINDER ASSEMBLY…1955
REMOVAL…1955
INSTALLATION…1956
HYDRAULIC CYLINDER ASSEMBLY…1957
DISASSEMBLY…1957
ASSEMBLY…1959
WORK EQUIPMENT ASSEMBLY…1962
REMOVAL…1962
INSTALLATION…1963
BUCKET ASSEMBLY…1964
REMOVAL…1964
INSTALLATION…1964
ARM ASSEMBLY…1964
REMOVAL…1964
INSTALLATION…1964
BUCKET, ARM ASSEMBLY…1966
REMOVAL…1966
INSTALLATION…1966
BOOM ASSEMBLY…1968
REMOVAL…1968
INSTALLATION…1969
OPERATOR'S CAB ASSEMBLY…1970
REMOVAL…1970
INSTALLATION…1972
COUNTERWEIGHT…1973
REMOVAL AND INSTALLATION…1973
GOVERNOR, PUMP CONTROLLER ASSEMBLY…1974
REMOVAL AND INSTALLATION…1974
MONITOR PANEL ASSEMBLY…1975
REMOVAL AND INSTALLATION…1975
FINAL DRIVE ASSEMBLY…1981
DISASSEMBLY…1981
ASSEMBLY…1992
SPECIAL TOOLS…2004
SWING MACHINERY ASSEMBLY…2011
DISASSEMBLY…2011
ASSEMBLY…2027
SPECIAL TOOLS…2047
40 MAINTENANCE STANDARD…2051
ENGINE MOUNT…2052
SWING MACHINERY…2053
SWING CIRCLE…2055
FINAL DRIVE…2056
TRACK FRAME, RECOIL SPRING…2058
IDLER…2059
CARRIER ROLLER…2061
TRACK ROLLER…2062
TRACK SHOE…2063
CONTROL VALVE…2065
SUCTION-SAFETY VALVE…2073
SWING MOTOR…2074
WORK EQUIPMENT, SWING PPC VALVE…2075
TRAVEL PPC VALVE…2076
SERVICE PPC VALVE…2077
PPC SHUTTLE VALVE, TRAVEL JUNCTION VALVE…2078
EPC SOLENOID VALVE…2079
CENTER SWIVEL JOINT…2080
HYDRAULIC CYLINDER…2082
WORK EQUIPMENT…2083
90 OTHERS…2091
ELECTRICAL CIRCUIT DIAGRAM – SHEET 1 OF 4…2092
ELECTRICAL CIRCUIT DIAGRAM – SHEET 2 OF 4…2093
ELECTRICAL CIRCUIT DIAGRAM – SHEET 3 OF 4…2094
ELECTRICAL CIRCUIT DIAGRAM – SHEET 4 OF 4…2095
Komatsu PC150-6K, PC150LC-6K Hydraulic Excavators Repair Service Manuals