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