Complete service repair manual with Electrical Wiring Diagrams for Komatsu Wheel Loader WA380-1LC, with all the technical information to maintain, diagnose, repair, and rebuild like professional mechanics.

Komatsu Wheel Loader WA380-1LC 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.

CEBDW23030 - Wheel Loader WA380-1LC Shop Manual.pdf
CEBMW23030 - Wheel Loader WA380-1LC Shop Manual.pdf
SEAMU423KD10 - Wheel Loader WA380-1LC Operation & Maintenance Manual.pdf

Total Pages: 1,681 pages
File Format: PDF
Language: English

CEBDW23030 - Wheel Loader WA380-1LC Shop Manual...2
  COVER...2
  CONTENTS...7
  SAFETY...8
    GENERAL PRECAUTIONS...8
    PREPARATIONS FOR WORK...8
    PRECAUTIONS DURING WORK...8
  FOREWORD...10
    HOW TO READ THE SERVICE MANUAL...11
    HOISTING INSTRUCTIONS...12
    STANDARD TIGHTENING TORQUE...13
    COATING MATERIAL...14
    ELECTRIC WIRE CODE...15
    WEIGHT TABLE...16
    LUBRICANTS, FUEL AND COOLANT...17
  10 ENGINE...21
    12 TESTING AND ADJUSTING...21
      STANDARD VALUE TABLE...22
      TOOL LIST FOR TESTING AND ADJUSTING...25
      VALVE CLEARANCE...27
      FUEL INJECTION TIMING...27
      ENGINE OIL PRESSURE AND TEMPERATURE...28
      BLOW-BY PRESSURE ...29
      EXHAUST GAS COLOR...30
      ACCELERATOR PEDAL, OPERATING FORCE AND OPERATING ANGLE...32
    13 DISASSEMBLY AND ASSEMBLY...35
      STARTING MOTOR...37
        REMOVAL ...37
        INSTALLATION...37
      ALTERNATOR...38
        REMOVAL ...38
        INSTALLATION...38
      OIL COOLER...39
        REMOVAL...39
        INSTALLATION...39
      FUEL INJECTION PUMP...40
        REMOVAL ...40
        INSTALLATION...40
      WATER PUMP...41
        REMOVAL...41
        INSTALLATION...41
      NOZZLE HOLDER...42
        REMOVAL...42
        INSTALLATION...42
      TURBOCHARGER...43
        REMOVAL...43
        INSTALLATION...43
      COMPRESSOR...44
        REMOVAL...44
        INSTALLATION...44
      CYLINDER HEAD...45
        REMOVAL...45
        INSTALLATION...46
      RADIATOR...47
        REMOVAL...47
        INSTALLATION...51
      ENGINE...54
        REMOVAL...54
        INSTALLATION...58
      FUEL TANK...61
        REMOVAL...61
        INSTALLATION...63
  20 POWER TRAIN...65
    21 STRUCTURE AND FUNCTION...65
      GENERAL...66
        HYDRAULIC CIRCUIT FOR POWER TRAIN...68
        HYDRAULIC CIRCUIT DIAGRAM FOR POWER TRAIN...69
      TORQUE CONVERTER AND TRANSMISSION PIPING...70
      TORQUE CONVERTER CHARGING PUMP...71
      TORQUE CONVERTER...72
      TORQUE CONVERTER OIL FILTER...75
      TORQUE CONVERTER OIL COOLER...76
      TORQUE CONVETER RELIEF VALVE...77
      TRANSMISSION...78
      TRANSMISSION CONTROL VALVE...86
        UPPER VALVE...88
        LOWER VALVE...89
        TRANSMISSION SOLENOID VALVE...90
        EMERGENCY MANUAL SPOOL...91
        PRIORITY VALVE...94
        MODULATING VALVE AND QUICK RETURN VALVE...95
        ACCUMULATOR VALVE...98
        PILOT REDUCING VALVE...100
      TRANMISSION PILOT FILTER...101
      TRANSFER...102
      DRIVE SHAFT...103
      AXLE MOUNT...104
      AXLE AND DIFFERENTIAL...106
        TORQUE PROPORTIONING DIFFERENTIAL...111
      FINAL DRIVE...113
      TIRE AND WHEEL...114
    22 TESTING AND ADJUSTING...115
      STANDARD VALUE TABLE...116
      TOOL LIST FOR TESTING AND ADJUSTING...117
      MEASURING ENGINE SPEED...118
      MEASURING OIL PRESSURE OF TORQUE CONVERTER AND TRANSMISSION...120
      MEASURING SHIFT LEVER...122
      METHOD FOR OPERATION OF EMERGENCY MANUAL SPOOL...123
      TIRE AND WHEEL...125
      TROUBLESHOOTING...127
        PRECAUTIONS WHEN TROUBLESHOOTING...128
        METHOD OF READING TROUBLESHOOTING TABLES...130
        PREVENTING RECURRENCE OF TROUBLE...132
        JUDGEMENT OF POWER TRAIN...133
        TROUBLESHOOTING TABLE...135
          1. MACHINE DOES NOT MOVE...135
          2. MACHINE LACKS POWER OR SPEED...137
          3. EXCESSIVE TIME LAG WHEN STARTING MACHINE OR SHIFTING GEAR...138
          4. TORQUE CONVERTER OIL TEMPERATURE TOO HIGH...139
    23 DISASSEMBLY AND ASSEMBLY...141
      TORQUE CONVERTER CHARGING PUMP...143
        REMOVAL...143
        INSTALLATION...144
      TORQUE CONVERTER, TRANSMISSION, TRANSFER...145
        REMOVAL...145
        INSTALLATION...152
      TORQUE CONVERTER...160
        DISASSEMBLY...160
        ASSEMBLY...164
      TRANSMISSION...170
        DISASSEMBLY...170
          INPUT SHAFT, NO. 1 CARRIER ASSEMBLY...177
          NO. 2, 3, 4 CARRIER ASSEMBLY...179
          NO. 4, 5 HOUSING ASSEMBLY...180
        ASSEMBLY...181
          NO. 4, 5 HOUSING ASSEMBLY...181
          NO. 2, 3 CARRIER ASSEMBLY...182
          INPUT SHAFT, NO. 1 CARRIER ASSEMBLY...183
          TRANSMISSION...185
      TRANSFER CONTROL VLAVE...194
        DISASSEMBLY...194
        ASSEMBLY...196
      TRANSMISSION CONTROL VALVE...202
        REMOVAL...202
        INSTALLATION...203
          DISASSEMBLY OF LOWER VALVE...204
          ASSEMBLY OF LOWER VALVE...204
          DISASSEMBLY OF UPPER VALVE...206
          ASSEMBLY OF UPPER VALVE...206
      FRONT DIFFERENTIAL...208
        REMOVAL...208
        INSTALLATION...211
      REAR DIFFERENTIAL...214
        REMOVAL...214
        INSTALLATION...215
      DIFFERENTIAL ...216
        DISASSEMBLY...216
        ASSEMBLY...219
      FRONT AXLE...227
        REMOVAL...227
        INSTALLATION...230
      REAR AXLE...232
        REMOVAL...232
        INSTALLATION...236
      DRIVE SHAFT...240
        DISASSEMBLY...240
        ASSEMBLY...242
      FINAL DRIVE ...244
        DISASSEMBLY...244
        ASSEMBLY...247
    24 MAINTENANCE STANDARD...251
      TRANSMISSION AND ENGINE MOUNT...252
      TORQUE CONVERTER CHARGING PUMP...254
      TORQUE CONVERTER...255
      TORQFLOW TRANSMISSION...257
        1. TRANSMISSION...257
        2. TRANSMISSION CONTROL VALVE...260
          UPPER VALVE...260
          LOWER VALVE...262
        3. SOLENOID VALVE...264
      TRANSFER...265
      DIFFERENTIAL...267
      FINAL DRIVE...269
      DRIVE SHAFT...270
      AXLE MOUNT...271
  40 STEERING SYSTEM...273
    41 STRUCTURE AND FUNCTION...273
      HYDRAULIC PIPING...274
      HYDRAULIC CIRCUIT DIAGRAM...275
      STEERING CONTROL SYSTEM...276
        STEERING VALVE...276
        ORBIT-ROLL VALVE...277
        RELIEF VALVE...278
        STOP VALVE...279
      STEERING CYLINDER...280
      STEERING COLUMN AND ORBIT-ROLL...281
      CENTER HINGE PIN...282
    42 TESTING AND ADJUSTING...283
      STANDARD VALUE TABLE...284
      TOOL LIST FOR TESTING AND ADJUSTING...284
      MEASURING STEERING WHEEL PLAY...285
      MEASURING OPERATING FORCE OF STEERING WHEEL...286
      OPERATING TIME OF STEERING WHEEL LOCK TO LOCK...287
      TESTING AND ADJUSTING STEERING CONTROL...288
      MEASURING STEERING OIL PRESSURE...289
      TROUBLESHOOTING...291
        TROUBLESHOOTING TABLE...292
          1. STEERING WHEEL DOES NOT TURN...292
          2. STEERING WHEEL IS HEAVY...293
          3. STEERING WHEEL WOBBLES OR THERE IS EXCESSIVE SHOCK...294
          4. MACHINE STEERS TO ONE SIDE WHEN TRAVELING...294
          5. TURNING RADIUS TO LEFT AND RIGHT IS DIFFERENT...294
    43 DISASSEMBLY AND ASSEMBLY...295
      STEERING VALVE...296
        DISASSEMBLY...296
        ASSEMBLY...299
      STEERING DEMAND VALVE...304
        DISASSEMBLY...304
        ASSEMBLY...308
      STEERING CYLINDER ...312
        DISASSEMBLY...312
        ASSEMBLY...314
      CENTER HINGE PIN...317
        REMOVAL...317
        INSTALLATION...326
    44 MAINTENANCE STANDARD...337
      STEERING COLUMN AND ORBIT-ROLL...338
      STEERING VALVE...339
      STEERING CYLINDER MOUNT...340
      STEERING CYLINDER...342
      CENTER HINGE PIN...344
  50 BRAKE AND AIR SYSTEM...347
    51 STRUCTURE AND FUNCTION...347
      AIR PIPING...348
      AIR CIRCUIT DIAGRAM...349
      AIR TANK...350
      SAFETY VALVE...352
      BRAKE VALVE...353
        BRAKE ACTUATED...354
        OPERATING IN BALANCE...355
        BRAKE RELEASE...356
      AIR GOVERNOR...357
      TWO-WAY VALVE...359
      BRAKE CHAMBER...360
      SLACK ADJUSTER...362
      BRAKE...365
      PARKING BRAKE...367
      PARKING BRAKE SOLENOID VALVE...369
      SPRING CYLINDER...370
      BRAKE CALIPER...371
    52 TESTING AND ADJUSTING...373
      STANDARD VALUE TABLE...374
      TOOL LIST FOR TESTING AND ADJUSTING...375
      MEASURING BRAKE PEDAL...376
      MEASURING AIR...377
      BRAKE PERFORMANCE...380
      CHECKING BRAKE OIL PRESSURE...381
      MEASURING WEAR OF BRAKE DISC...382
      AIR BLEEDING FROM BRAKE LINE...383
      PARKING BRAKE PERFORMANCE...384
      CHECKING AND ADJUSTING PARKING BRAKE...385
      TROUBLESHOOTING...387
        TROUBLESHOOTING TALBE...388
          1. AIR PRESSURE DOES NOT RISE AT ALL...388
          2. AIR PRESSURE DOES NOT RISE TO THE SPECIFIED RANGE...389
          3. BRAKE IS INEFFECTIVE OR NOT VERY EFFECTIVE...390
          4. BRAKE DOES NOT RELEASE, OR DRAGS...391
          5. PARKING BRAKE DOES NOT RELEASE, OR DRAGS (APPLIES TO MACHINE EQUIPPED WITH AIR PARKING BRAKE.)...392
    53 DISASSEMBLY AND ASSEMBLY...393
      AIR GOVERNOR...395
        DISASSEMBLY...395
        ASSEMBLY...396
      BRAKE VALVE...397
        REMOVAL...397
        INSTALLATION...398
        DISASSEMBLY...399
        ASSEMBLY...401
      BRAKE CHAMBER...403
        REMOVAL...403
        INSTALLATION...405
        DISASSEMBLY...406
        ASSEMBLY...409
      SLACK ADJUSTER...413
        REMOVAL...413
        INSTALLATION...413
        DISASSEMBLY...414
        ASSEMBLY...415
      BRAKE...416
        DISASSEMBLY...416
        ASSEMBLY...422
      SPRING CYLINDER...430
        REMOVAL...430
        INSTALLATION...431
        DISASSEMBLY...432
        ASSEMBLY...433
      PARKING BRAKE...434
        REMOVAL...434
        INSTALLATION...436
      PARKING BRAKE PAD...438
        REMOVAL...438
        INSTALLATION...439
    54 MAINTENANCE STANDARD...441
      BRAKE VALVE...442
      BRAKE CHAMBER...444
      SLACK ADJUSTER...445
      BRAKE ...446
      PARKING BRAKE...448
      SPRING CYLINDER...449
  60 WORK EQUIPMENT SYSTEM...451
    61 STRUCTURE AND FUNCTION...451
      HYDRAULIC PIPING ...452
        HYDRAULIC PIPING DIAGRAM...453
      HYDRAULIC CIRCUIT DIAGRAM...454
      BUCKET LINKAGE...457
      BUCKET POSITIONER AND BOOM KICK-OUT...459
      HYDRAULIC TANK...461
        OIL FILTER BYPASS VALVE...463
        BREATHER...464
      HYDRAULIC PUMP...465
      MAIN CONTROL VALVE...466
      HYDRAULIC CYLINDER...479
    62 TESTING AND ADJUSTING...481
      STANDARD VALUE TABLE...483
      TOOL LIST FOR TESTING AND ADJUSTING...484
      DUMP AND LIFT CONTROL LEVERS...485
      HYDRAULIC PRESSURE...487
      LIFT ARM AND BUCKET...489
      HYDRAULIC DRIFT OF LIFT ARM AND BUCKET...490
      BUCKET POSITIONER...491
      BOOM KICK-OUT...492
      TROUBLESHOOTING...493
        TROUBLESHOOTING TABLE...494
        1. LIFT ARM DOES NOT RISE...494
        2. LIFT ARM MOVES SLOWLY OR DOES NOT HAVE SUFFICIENT LIFTING POWER...495
        3. LIFT ARM MOVEMENT BECOMES SLOW AFTER IT REACHES A CERTAIN HEIGHT...496
        4. BUCKET CANNOT BE HELD DOWN WITH LIFT ARM CYLINDER...496
        5. LIFT ARM HAS LARGE HYDRAULIC DRIFT...496
        6. LIFT ARM MOVEMENT IS UNSTEADY DURING WORK...496
        7. LIFT ARM DESCENDS MOMENTARILY WHEN CONTROL LEVER IS SHIFTED FROM 'HOLD' TO 'RAISE'...496
        8. BUCKET DOES NOT TILT BACK...497
        9. BUCKET MOVES SLOWLY OR HAS INSUFFICIENT TILT BACK POWER...498
        10. BUCKET MOVEMENT BECOMES SLOW DURING TILT BACK...499
        11. BUCKET CANNOT BE HELD DOWN BY BUCKET CYLINDER...499
        12. BUCKET HAS LARGE HYDRAULIC DRIFT...499
        13. BUCKET MOVES UNSTEADILY WHEN MACHINE TRAVELS UNDER LOAD (MAIN CONTROL VALVE IN 'HOLD')...499
        14. BUCKET DUMPS MOMENTARILY WHEN CONTROL LEVER IS SHIFTEDFROM 'HOLD' TO 'TILT BACK'...499
        15. CONTROL LEVERS OF LIFT ARM AND DUMP MOVE STIFFLY AND SLUGGISHLY...500
    63 DISASSEMBLY AND ASSEMBLY...501
      HYDRAULIC TANK...503
        REMOVAL...503
        INSTALLATION...506
      HYDRAULIC FILTER...509
        REMOVAL...509
        INSTALLATION...509
      STEERING PUMP...510
        REMOVAL...510
        INSTALLATION...510
      MAIN CONTROL VALVE...511
        REMOVAL...511
        INSTALLATION...514
        DISASSEMBLY...516
        ASSEMBLY...518
      DUMP CYLINDER...520
        REMOVAL...520
        INSTALLATION...522
      LIFT CYLINDER...523
        REMOVAL...523
        INSTALLATION...524
      HYDRAULIC CYLINDER...525
        DISASSEMBLY...525
        ASSEMBLY...527
      WORK EQUIPMENT...530
        REMOVAL...530
        INSTALLATION...533
      COUNTERWEIGHT...536
        REMOVAL...536
        INSTALLATION...536
    64 MAINTENANCE STANDARD...537
      MAIN CONTROL VALVE...538
      DUMP CYLINDER...542
      LIFT CYLINDER...543
      BUCKET LINKAGE...544
      BUCKET POSITIONER AND BOOM KICK-OUT...547
      BUCKET...548
      HYDRAULIC PUMP...549
  80 ELECTRIC AND ELECTRONIC SYSTEM...551
    81 STRUCTURE AND FUNCTION...551
      ELECTRICAL WIRING DIAGRAM...552
      ELECTRICAL WIRING DIAGRAM CIRCUIT...552
      ENGINE STARTING CIRCUIT...553
      ENGINE STOP CIRCUIT...555
      ELECTRICAL TRANSMISSION CONTROL...556
        COMBINATION SWITCH...557
        TRANSMISSION CUT-OFF SWITCH...558
        TRANSMISSION CUT-OFF SELECTOR SWITCH...559
        NEUTRALIZER RELAY...560
      KICK-DOWN SWITCH...561
      KICK-DOWN ELECTRIC SWITCH...562
      ELECTRICAL PARKING BRAKE CONTROL...568
      ELECTRONIC VEHICLE MONITORING SYSTEM (EVMS)...577
        INDICATION ON MONITOR PANEL...579
        SENSORS...582
          ENGINE OIL LEVEL SENSOR...583
          COOLANT LEVEL SENSOR...583
          COOLANT TEMPERATURE SENSOR...584
          TORQUE CONVERTER OIL TEMPERTURE SENSOR...584
          PARKING BRAKE SENSOR...585
          ENGINE OIL PRESURE SENSOR...586
          BRAKE CHAMBER STROKE SENSOR...587
          AIR PRESSURE SENSOR...588
          ROTATIONAL  SPEED SENSOR...588
          FUEL GAUGE SENSOR...589
        WIRING HARNESS...590
      BUCKET POSITIONER AND BOOM KICK-OUT...591
    83 DISASSEMBLY AND ASSEMBLY...697
      MACHINE MONITOR...698
        REMOVAL...698
        INSTALLATION...698
  90 OTHER...699
    93 DISASSEMBLY AND ASSEMBLY...699
      CAB ...700
        REMOVAL ...700
        INSTALLATION...700
    97 GEAR PUMP SA SERIES...701
      GENERAL...702
        PRINCIPLE OF OPERATION...703
        PRESSURE LOADED TYPE GEAR PUMP...706
        FIXED SIDE PLATE TYPE GEAR PUMP...708
      SA SERIES...709
        STRUCTURE...709
        TESTING AND ADJUSTING...713
        DISASSEMBLY...716
        ASSEMBLY...720
        MAINTENANCE STANDARD...725
    99 METRIC CONVERSIONS...727
  FOLDOUTS...733
    1. TRANSMISSION ...734
    2. AIR PIPING...735
    3. AIR CIRCUIT DIAGRAM...736
    4. HYDRULIC PIPING DIAGRAM...737
    5. ELECTRICAL WIRING DIAGRAM, PG 1...738
    6. ELECTRICAL WIRING DIAGRAM, PG 2...743
    7. ELECTRICAL WIRING DIAGRAM, PG 3...749
    8. ELECTRICAL WIRING DIAGRAM CIRCUIT...753
    9. ELECTRICAL WIRING DIAGRAM CONNECTORS (CN)...754
    10. ELECTRONIC VEHICLE MONITORING SYSTEM...755
CEBMW23030 - Wheel Loader WA380-1LC Shop Manual...759
  COVER...759
  CONTENTS...764
  SAFETY...765
    GENERAL PRECAUTIONS...765
    PREPARATIONS FOR WORK...765
    PRECAUTIONS DURING WORK...765
  FOREWORD...767
    HOW TO READ THE SERVICE MANUAL...768
    HOISTING INSTRUCTIONS...769
    STANDARD TIGHTENING TORQUE...770
    COATING MATERIAL...771
    ELECTRIC WIRE CODE...772
    WEIGHT TABLE...773
    LUBRICANTS, FUEL AND COOLANT...774
  10 ENGINE...778
    12 TESTING AND ADJUSTING...778
      STANDARD VALUE TABLE...779
      TOOL LIST FOR TESTING AND ADJUSTING...782
      VALVE CLEARANCE...784
      FUEL INJECTION TIMING...784
      ENGINE OIL PRESSURE AND TEMPERATURE...785
      BLOW-BY PRESSURE ...786
      EXHAUST GAS COLOR...787
      ACCELERATOR PEDAL, OPERATING FORCE AND OPERATING ANGLE...789
    13 DISASSEMBLY AND ASSEMBLY...792
      STARTING MOTOR...794
        REMOVAL ...794
        INSTALLATION...794
      ALTERNATOR...795
        REMOVAL ...795
        INSTALLATION...795
      OIL COOLER...796
        REMOVAL...796
        INSTALLATION...796
      FUEL INJECTION PUMP...797
        REMOVAL ...797
        INSTALLATION...797
      WATER PUMP...798
        REMOVAL...798
        INSTALLATION...798
      NOZZLE HOLDER...799
        REMOVAL...799
        INSTALLATION...799
      TURBOCHARGER...800
        REMOVAL...800
        INSTALLATION...800
      COMPRESSOR...801
        REMOVAL...801
        INSTALLATION...801
      CYLINDER HEAD...802
        REMOVAL...802
        INSTALLATION...803
      RADIATOR...804
        REMOVAL...804
        INSTALLATION...808
      ENGINE...811
        REMOVAL...811
        INSTALLATION...815
      FUEL TANK...818
        REMOVAL...818
        INSTALLATION...820
  20 POWER TRAIN...822
    21 STRUCTURE AND FUNCTION...822
      GENERAL...823
        HYDRAULIC CIRCUIT FOR POWER TRAIN...825
        HYDRAULIC CIRCUIT DIAGRAM FOR POWER TRAIN...826
      TORQUE CONVERTER AND TRANSMISSION PIPING...827
      TORQUE CONVERTER CHARGING PUMP...828
      TORQUE CONVERTER...829
      TORQUE CONVERTER OIL FILTER...832
      TORQUE CONVERTER OIL COOLER...833
      TORQUE CONVETER RELIEF VALVE...834
      TRANSMISSION...835
      TRANSMISSION CONTROL VALVE...843
        UPPER VALVE...845
        LOWER VALVE...846
        TRANSMISSION SOLENOID VALVE...847
        EMERGENCY MANUAL SPOOL...848
        PRIORITY VALVE...851
        MODULATING VALVE AND QUICK RETURN VALVE...852
        ACCUMULATOR VALVE...855
        PILOT REDUCING VALVE...857
      TRANMISSION PILOT FILTER...858
      TRANSFER...859
      DRIVE SHAFT...860
      AXLE MOUNT...861
      AXLE AND DIFFERENTIAL...863
        TORQUE PROPORTIONING DIFFERENTIAL...868
      FINAL DRIVE...870
      TIRE AND WHEEL...871
    22 TESTING AND ADJUSTING...872
      STANDARD VALUE TABLE...873
      TOOL LIST FOR TESTING AND ADJUSTING...874
      MEASURING ENGINE SPEED...875
      MEASURING OIL PRESSURE OF TORQUE CONVERTER AND TRANSMISSION...877
      MEASURING SHIFT LEVER...879
      METHOD FOR OPERATION OF EMERGENCY MANUAL SPOOL...880
      TIRE AND WHEEL...882
      TROUBLESHOOTING...884
        PRECAUTIONS WHEN TROUBLESHOOTING...885
        METHOD OF READING TROUBLESHOOTING TABLES...887
        PREVENTING RECURRENCE OF TROUBLE...889
        JUDGEMENT OF POWER TRAIN...890
        TROUBLESHOOTING TABLE...892
          1. MACHINE DOES NOT MOVE...892
          2. MACHINE LACKS POWER OR SPEED...894
          3. EXCESSIVE TIME LAG WHEN STARTING MACHINE OR SHIFTING GEAR...895
          4. TORQUE CONVERTER OIL TEMPERATURE TOO HIGH...896
    23 DISASSEMBLY AND ASSEMBLY...898
      TORQUE CONVERTER CHARGING PUMP...900
        REMOVAL...900
        INSTALLATION...901
      TORQUE CONVERTER, TRANSMISSION, TRANSFER...902
        REMOVAL...902
        INSTALLATION...909
      TORQUE CONVERTER...917
        DISASSEMBLY...917
        ASSEMBLY...921
      TRANSMISSION...927
        DISASSEMBLY...927
          INPUT SHAFT, NO. 1 CARRIER ASSEMBLY...934
          NO. 2, 3, 4 CARRIER ASSEMBLY...936
          NO. 4, 5 HOUSING ASSEMBLY...937
        ASSEMBLY...938
          NO. 4, 5 HOUSING ASSEMBLY...938
          NO. 2, 3 CARRIER ASSEMBLY...939
          INPUT SHAFT, NO. 1 CARRIER ASSEMBLY...940
          TRANSMISSION...942
      TRANSFER CONTROL VLAVE...951
        DISASSEMBLY...951
        ASSEMBLY...953
      TRANSMISSION CONTROL VALVE...959
        REMOVAL...959
        INSTALLATION...960
          DISASSEMBLY OF LOWER VALVE...961
          ASSEMBLY OF LOWER VALVE...961
          DISASSEMBLY OF UPPER VALVE...963
          ASSEMBLY OF UPPER VALVE...963
      FRONT DIFFERENTIAL...965
        REMOVAL...965
        INSTALLATION...968
      REAR DIFFERENTIAL...971
        REMOVAL...971
        INSTALLATION...972
      DIFFERENTIAL ...973
        DISASSEMBLY...973
        ASSEMBLY...976
      FRONT AXLE...984
        REMOVAL...984
        INSTALLATION...987
      REAR AXLE...989
        REMOVAL...989
        INSTALLATION...993
      DRIVE SHAFT...997
        DISASSEMBLY...997
        ASSEMBLY...999
      FINAL DRIVE ...1001
        DISASSEMBLY...1001
        ASSEMBLY...1004
    24 MAINTENANCE STANDARD...1008
      TRANSMISSION AND ENGINE MOUNT...1009
      TORQUE CONVERTER CHARGING PUMP...1011
      TORQUE CONVERTER...1012
      TORQFLOW TRANSMISSION...1014
        1. TRANSMISSION...1014
        2. TRANSMISSION CONTROL VALVE...1017
          UPPER VALVE...1017
          LOWER VALVE...1019
        3. SOLENOID VALVE...1021
      TRANSFER...1022
      DIFFERENTIAL...1024
      FINAL DRIVE...1026
      DRIVE SHAFT...1027
      AXLE MOUNT...1028
  40 STEERING SYSTEM...1030
    41 STRUCTURE AND FUNCTION...1030
      HYDRAULIC PIPING...1031
      HYDRAULIC CIRCUIT DIAGRAM...1032
      STEERING CONTROL SYSTEM...1033
        STEERING VALVE...1033
        ORBIT-ROLL VALVE...1034
        RELIEF VALVE...1035
        STOP VALVE...1036
      STEERING CYLINDER...1037
      STEERING COLUMN AND ORBIT-ROLL...1038
      CENTER HINGE PIN...1039
    42 TESTING AND ADJUSTING...1040
      STANDARD VALUE TABLE...1041
      TOOL LIST FOR TESTING AND ADJUSTING...1041
      MEASURING STEERING WHEEL PLAY...1042
      MEASURING OPERATING FORCE OF STEERING WHEEL...1043
      OPERATING TIME OF STEERING WHEEL LOCK TO LOCK...1044
      TESTING AND ADJUSTING STEERING CONTROL...1045
      MEASURING STEERING OIL PRESSURE...1046
      TROUBLESHOOTING...1048
        TROUBLESHOOTING TABLE...1049
          1. STEERING WHEEL DOES NOT TURN...1049
          2. STEERING WHEEL IS HEAVY...1050
          3. STEERING WHEEL WOBBLES OR THERE IS EXCESSIVE SHOCK...1051
          4. MACHINE STEERS TO ONE SIDE WHEN TRAVELING...1051
          5. TURNING RADIUS TO LEFT AND RIGHT IS DIFFERENT...1051
    43 DISASSEMBLY AND ASSEMBLY...1052
      STEERING VALVE...1053
        DISASSEMBLY...1053
        ASSEMBLY...1056
      STEERING DEMAND VALVE...1061
        DISASSEMBLY...1061
        ASSEMBLY...1065
      STEERING CYLINDER ...1069
        DISASSEMBLY...1069
        ASSEMBLY...1071
      CENTER HINGE PIN...1074
        REMOVAL...1074
        INSTALLATION...1083
    44 MAINTENANCE STANDARD...1094
      STEERING COLUMN AND ORBIT-ROLL...1095
      STEERING VALVE...1096
      STEERING CYLINDER MOUNT...1097
      STEERING CYLINDER...1099
      CENTER HINGE PIN...1101
  50 BRAKE AND AIR SYSTEM...1104
    51 STRUCTURE AND FUNCTION...1104
      AIR PIPING...1105
      AIR CIRCUIT DIAGRAM...1106
      AIR TANK...1107
      SAFETY VALVE...1109
      BRAKE VALVE...1110
        BRAKE ACTUATED...1111
        OPERATING IN BALANCE...1112
        BRAKE RELEASE...1113
      AIR GOVERNOR...1114
      TWO-WAY VALVE...1116
      BRAKE CHAMBER...1117
      SLACK ADJUSTER...1119
      BRAKE...1122
      PARKING BRAKE...1124
      PARKING BRAKE SOLENOID VALVE...1126
      SPRING CYLINDER...1127
      BRAKE CALIPER...1128
    52 TESTING AND ADJUSTING...1130
      STANDARD VALUE TABLE...1131
      TOOL LIST FOR TESTING AND ADJUSTING...1132
      MEASURING BRAKE PEDAL...1133
      MEASURING AIR...1134
      BRAKE PERFORMANCE...1137
      CHECKING BRAKE OIL PRESSURE...1138
      MEASURING WEAR OF BRAKE DISC...1139
      AIR BLEEDING FROM BRAKE LINE...1140
      PARKING BRAKE PERFORMANCE...1141
      CHECKING AND ADJUSTING PARKING BRAKE...1142
      TROUBLESHOOTING...1144
        TROUBLESHOOTING TALBE...1145
          1. AIR PRESSURE DOES NOT RISE AT ALL...1145
          2. AIR PRESSURE DOES NOT RISE TO THE SPECIFIED RANGE...1146
          3. BRAKE IS INEFFECTIVE OR NOT VERY EFFECTIVE...1147
          4. BRAKE DOES NOT RELEASE, OR DRAGS...1148
          5. PARKING BRAKE DOES NOT RELEASE, OR DRAGS (APPLIES TO MACHINE EQUIPPED WITH AIR PARKING BRAKE.)...1149
    53 DISASSEMBLY AND ASSEMBLY...1150
      AIR GOVERNOR...1152
        DISASSEMBLY...1152
        ASSEMBLY...1153
      BRAKE VALVE...1154
        REMOVAL...1154
        INSTALLATION...1155
        DISASSEMBLY...1156
        ASSEMBLY...1158
      BRAKE CHAMBER...1160
        REMOVAL...1160
        INSTALLATION...1162
        DISASSEMBLY...1163
        ASSEMBLY...1166
      SLACK ADJUSTER...1170
        REMOVAL...1170
        INSTALLATION...1170
        DISASSEMBLY...1171
        ASSEMBLY...1172
      BRAKE...1173
        DISASSEMBLY...1173
        ASSEMBLY...1179
      SPRING CYLINDER...1187
        REMOVAL...1187
        INSTALLATION...1188
        DISASSEMBLY...1189
        ASSEMBLY...1190
      PARKING BRAKE...1191
        REMOVAL...1191
        INSTALLATION...1193
      PARKING BRAKE PAD...1195
        REMOVAL...1195
        INSTALLATION...1196
    54 MAINTENANCE STANDARD...1198
      BRAKE VALVE...1199
      BRAKE CHAMBER...1201
      SLACK ADJUSTER...1202
      BRAKE ...1203
      PARKING BRAKE...1205
      SPRING CYLINDER...1206
  60 WORK EQUIPMENT SYSTEM...1208
    61 STRUCTURE AND FUNCTION...1208
      HYDRAULIC PIPING ...1209
        HYDRAULIC PIPING DIAGRAM...1210
      HYDRAULIC CIRCUIT DIAGRAM...1211
      BUCKET LINKAGE...1214
      BUCKET POSITIONER AND BOOM KICK-OUT...1216
      HYDRAULIC TANK...1218
        OIL FILTER BYPASS VALVE...1220
        BREATHER...1221
      HYDRAULIC PUMP...1222
      MAIN CONTROL VALVE...1223
      HYDRAULIC CYLINDER...1236
    62 TESTING AND ADJUSTING...1238
      STANDARD VALUE TABLE...1240
      TOOL LIST FOR TESTING AND ADJUSTING...1241
      DUMP AND LIFT CONTROL LEVERS...1242
      HYDRAULIC PRESSURE...1244
      LIFT ARM AND BUCKET...1246
      HYDRAULIC DRIFT OF LIFT ARM AND BUCKET...1247
      BUCKET POSITIONER...1248
      BOOM KICK-OUT...1249
      TROUBLESHOOTING...1250
        TROUBLESHOOTING TABLE...1251
        1. LIFT ARM DOES NOT RISE...1251
        2. LIFT ARM MOVES SLOWLY OR DOES NOT HAVE SUFFICIENT LIFTING POWER...1252
        3. LIFT ARM MOVEMENT BECOMES SLOW AFTER IT REACHES A CERTAIN HEIGHT...1253
        4. BUCKET CANNOT BE HELD DOWN WITH LIFT ARM CYLINDER...1253
        5. LIFT ARM HAS LARGE HYDRAULIC DRIFT...1253
        6. LIFT ARM MOVEMENT IS UNSTEADY DURING WORK...1253
        7. LIFT ARM DESCENDS MOMENTARILY WHEN CONTROL LEVER IS SHIFTED FROM 'HOLD' TO 'RAISE'...1253
        8. BUCKET DOES NOT TILT BACK...1254
        9. BUCKET MOVES SLOWLY OR HAS INSUFFICIENT TILT BACK POWER...1255
        10. BUCKET MOVEMENT BECOMES SLOW DURING TILT BACK...1256
        11. BUCKET CANNOT BE HELD DOWN BY BUCKET CYLINDER...1256
        12. BUCKET HAS LARGE HYDRAULIC DRIFT...1256
        13. BUCKET MOVES UNSTEADILY WHEN MACHINE TRAVELS UNDER LOAD (MAIN CONTROL VALVE IN 'HOLD')...1256
        14. BUCKET DUMPS MOMENTARILY WHEN CONTROL LEVER IS SHIFTEDFROM 'HOLD' TO 'TILT BACK'...1256
        15. CONTROL LEVERS OF LIFT ARM AND DUMP MOVE STIFFLY AND SLUGGISHLY...1257
    63 DISASSEMBLY AND ASSEMBLY...1258
      HYDRAULIC TANK...1260
        REMOVAL...1260
        INSTALLATION...1263
      HYDRAULIC FILTER...1266
        REMOVAL...1266
        INSTALLATION...1266
      STEERING PUMP...1267
        REMOVAL...1267
        INSTALLATION...1267
      MAIN CONTROL VALVE...1268
        REMOVAL...1268
        INSTALLATION...1271
        DISASSEMBLY...1273
        ASSEMBLY...1275
      DUMP CYLINDER...1277
        REMOVAL...1277
        INSTALLATION...1279
      LIFT CYLINDER...1280
        REMOVAL...1280
        INSTALLATION...1281
      HYDRAULIC CYLINDER...1282
        DISASSEMBLY...1282
        ASSEMBLY...1284
      WORK EQUIPMENT...1287
        REMOVAL...1287
        INSTALLATION...1290
      COUNTERWEIGHT...1293
        REMOVAL...1293
        INSTALLATION...1293
    64 MAINTENANCE STANDARD...1294
      MAIN CONTROL VALVE...1295
      DUMP CYLINDER...1299
      LIFT CYLINDER...1300
      BUCKET LINKAGE...1301
      BUCKET POSITIONER AND BOOM KICK-OUT...1304
      BUCKET...1305
      HYDRAULIC PUMP...1306
  80 ELECTRIC AND ELECTRONIC SYSTEM...1308
    81 STRUCTURE AND FUNCTION...1308
      ELECTRICAL WIRING DIAGRAM...1309
      ELECTRICAL WIRING DIAGRAM CIRCUIT...1309
      ENGINE STARTING CIRCUIT...1310
      ENGINE STOP CIRCUIT...1312
      ELECTRICAL TRANSMISSION CONTROL...1313
        COMBINATION SWITCH...1314
        TRANSMISSION CUT-OFF SWITCH...1315
        TRANSMISSION CUT-OFF SELECTOR SWITCH...1316
        NEUTRALIZER RELAY...1317
      KICK-DOWN SWITCH...1318
      KICK-DOWN ELECTRIC SWITCH...1319
      ELECTRICAL PARKING BRAKE CONTROL...1325
      ELECTRONIC VEHICLE MONITORING SYSTEM (EVMS)...1334
        INDICATION ON MONITOR PANEL...1336
        SENSORS...1339
          ENGINE OIL LEVEL SENSOR...1340
          COOLANT LEVEL SENSOR...1340
          COOLANT TEMPERATURE SENSOR...1341
          TORQUE CONVERTER OIL TEMPERTURE SENSOR...1341
          PARKING BRAKE SENSOR...1342
          ENGINE OIL PRESURE SENSOR...1343
          BRAKE CHAMBER STROKE SENSOR...1344
          AIR PRESSURE SENSOR...1345
          ROTATIONAL  SPEED SENSOR...1345
          FUEL GAUGE SENSOR...1346
        WIRING HARNESS...1347
      BUCKET POSITIONER AND BOOM KICK-OUT...1348
  90 OTHER...1456
    93 DISASSEMBLY AND ASSEMBLY...1456
      CAB ...1457
        REMOVAL ...1457
        INSTALLATION...1457
    97 GEAR PUMP SA SERIES...1458
      GENERAL...1459
        PRINCIPLE OF OPERATION...1460
        PRESSURE LOADED TYPE GEAR PUMP...1463
        FIXED SIDE PLATE TYPE GEAR PUMP...1465
      SA SERIES...1466
        STRUCTURE...1466
        TESTING AND ADJUSTING...1470
        DISASSEMBLY...1473
        ASSEMBLY...1477
        MAINTENANCE STANDARD...1482
    99 METRIC CONVERSIONS...1484
  FOLDOUTS...1490
    1. TRANSMISSION ...1491
    2. AIR PIPING...1492
    3. AIR CIRCUIT DIAGRAM...1493
    4. HYDRULIC PIPING DIAGRAM...1494
    5. ELECTRICAL WIRING DIAGRAM, PG 1...1495
    6. ELECTRICAL WIRING DIAGRAM, PG 2...1500
    7. ELECTRICAL WIRING DIAGRAM, PG 3...1506
    8. ELECTRICAL WIRING DIAGRAM CIRCUIT...1510
    9. ELECTRICAL WIRING DIAGRAM CONNECTORS (CN)...1511
    10. ELECTRONIC VEHICLE MONITORING SYSTEM...1512
SEAMU423KD10 - Wheel Loader WA380-1LC Operation & Maintenance Manual...1516
  COVER...1517
  CONTENTS...1521
  OPERATION...1528
    GENERAL LOCATIONS AND SPECIFICATIONS...1529
      PERFORMANCE ...1529
        OPERATING WEIGHT...1529
      ENGINE...1529
    INSTRUMENTS AND CONTROLS...1530
      MONITOR PANEL...1530
        CHECK MONITOR GROUP...1532
          ENGINE OIL LEVEL MONITOR...1532
          COOLANT LEVEL MONITOR...1533
        CAUTION MONITOR GROUP...1533
          CHARGE MONITOR...1533
          FUEL LEVEL MONITOR...1533
        CAUTION MONITOR GROUP...1534
          BRAKE LINE FAILURE MONITOR...1534
          ENGINE OIL PRESSURE MONITOR...1534
          COOLANT LEVEL MONITOR...1534
          AIR PRESSURE MONITOR...1535
          COOLANT TEMPERATURE MONITOR...1535
          TORQUE CONVETER OIL TEMPERATURE MONITOR...1535
        METER GROUP PILOT DISPLAY...1536
          PARKING BRAKE PILOT LAMP...1536
          PILOT LAMP FOR WORKING LAMP...1537
          TRANSMISSION CUT-OFF SELECTOR PILOT LAMP...1537
          AIR PRESSURE GAUGE...1537
          ENGINE COOLING WATER TEMPERATURE GAUGE...1538
          TORQUE CONVERER OIL TEMPERATURE GAUGE...1538
          FUEL GAUGE...1538
          TURN SIGNAL PILOT LAMP...1538
          HIGH BEAM PILOT LAMP...1539
          SPEEDOMETER...1539
          SERVICE METER...1539
      SWITCHES...1540
        TRANSMISSION CUT-OFF SELECTOR...1540
        ETHER START SWITCH...1541
        HORN BUTTON...1541
        HAZARD LAMP SWITCH...1541
        PARKING BRAKE SWITCH...1542
        WORKING LAMP SWITCH...1543
        STARTING SWITCH...1543
        LAMP SWITCHES...1543
        ROOM LAMP SWITCH...1544
        CIGARETTE LIGHTER...1545
        KICKDOWN SWITCH...1545
        FRONT WIPER SWITCH...1546
        REAR WIPER SWITCH...1546
      LEVERS AND PEDALS...1547
        DIRECTIONAL LEVER...1547
        SPEED CONTROL LEVER...1548
        SPEED CONTROL LEVER STOPPER...1548
        STEERING COLUMN TILT LEVER...1548
        ACCELERATOR PEDAL...1548
        BRAKE PEDALS...1549
          RIGHT BRAKE PEDAL...1549
          LEFT BRAKE PEDAL...1549
        LIFT ARM CONTROL LEVER...1550
        BUCKET CONTROL LEVER...1551
        SAFETY LOCK...1551
      AIR CLEANER SERVICE INDICATOR...1551
      SAFETY BAR...1552
      WORK EQUIPMENT CONTROL LEVER...1552
      CIRCUIT BREAKER (MAIN)...1553
      DOOR-OPEN LOCK...1553
      HOOD TILT LOCK...1554
      FUSE BOX...1554
      OPERATOR'S SEAT...1556
        FORWARD-BACKWARD ADJUSTMENT...1556
        SEAT ANGLE ADJUSTMENT...1556
        SEAT CUSHION ADJUSTMENT...1556
        BACKREST ADJUSTMENT...1556
        SEAT HEIGHT ADJUSTMENT...1556
      RIGHT SIDE ARMREST...1556
        FORWARD-BACKWARD ADJUSTMENT...1556
        ANGLE ADJUSTMENT...1556
      SEAT BELT...1557
    CHECK BEFORE STARTING...1558
      WALK-AROUND CHECK...1558
      CHECK MONITOR PANEL...1558
      CHECK AND REFILL COOLANT...1559
      CHECK OIL LEVEL AND REFILL IN ENGINE OIL PAN...1559
      CHECK FUEL LEVEL AND REFILL FUEL...1560
      CHECK AIR CLEANER SERVICE INDICATOR...1560
      DRAIN WATER FROM AIR TANK...1561
      CHECK FOR SEDIMENT AND WATER IN THE WATER SEDIMENTOR...1561
      FUEL-WATER SEPARATOR - DRAINING WATER AND SEDIMENT...1562
      DRIVE BELT - INSPECTION...1562
      FAN - INSPECTION...1562
    OPERATING YOUR MACHINE...1564
      BEFORE STARTING THE ENGINE...1564
      TO START THE ENGINE...1565
        SPECIAL STARTING...1565
      CHECKS AFTER STARTING...1566
      TO MOVE THE MACHINE OFF...1566
      CHANGING GEAR SPEED...1567
      CHANGING DIRECTION...1568
       TURNING...1568
      TO STOP THE MACHINE...1569
      TO STOP THE ENGINE...1570
      MAXIMUM DEPTH OF WATER...1570
      IF WHEEL BRAKE DOES NOT WORK...1570
      PRECAUTIONS WHEN DRIVING UP OR DOWN SLOPES...1571
        LOWER THE CENTER OF GRAVITY WHEN TUNING...1571
        BRAKING ON DOWNHILL SLOPES...1571
        IF ENGINE STOPS...1571
      PROPER BUCKET AND TIRE...1572
    ADJUSTMENT OF WORK EQUIPMENT...1573
      ADJUSTING BOOM KICKOUT...1573
      ADJUSTING BUCKET POSITIONER...1574
      BUCKET LEVEL INDICATOR...1574
    HANDLING THE TIRES...1575
      PRECAUTIONS WHEN HANDLING TIRES...1575
      PRECAUTIONS WHEN DRIVING MACHINE...1576
      TIRE PRESURE...1577
        INFLATING TIRES...1577
    TOWING...1579
      TOWING THE MACHINE...1579
        WHEN ENGINE CAN BE USED...1579
        WHEN ENGINE CANNOT BE USED...1579
      RELEASING PARKING BRAKE...1580
    COLD WEATHER OPERATION...1581
      PREPARATION FOR LOW TEMPEATURE...1581
        FUEL AND LUBRICANTS...1581
        COOLANT...1581
        BATTERY...1581
      STARTING IN COLD WEATHER...1582
      CAUTIONS AFTER COMPLETION OF WORK...1583
      AFTER COLD WEATHER...1583
  MAINTENANCE...1584
    PERIODIC MAINTENANCE...1585
      BLEEDING AIR FROM CIRCUIT...1585
        BLEEDING AIR FROM HYDRAULIC CIRCUIT...1585
        BLEEDING AIR FROM FUEL SYSTEM...1586
          LOW PRESSURE LINES AND FUEL FILTER(S) VENTING...1586
          HIGH PRESSURE LINE-VENTING...1586
    PERIODICAL PART REPLACEMENT...1587
    MAINTENANCE TABLE...1588
    OIL FILLER AND LEVEL GAUGE POSITIONS...1592
    CHECK BEFORE STARTING...1593
    EVERY 50 HOURS SERVICE...1593
      FUEL TANK...1593
      TIRE...1593
    EVERY 100 HOURS SERVICE...1594
      HYDRAULIC TANK...1594
      LUBRICATING...1594
        REAR AXLE PIVOT PIN (2 POINTS)...1594
      AIR CONDITIONER FILTER...1595
    INITIAL 250 HOURS SERIVICE...1595
      TRANSMISSION OIL FILTER...1595
    EVERY 250 HOURS SERVICE...1596
      ENGINE OIL PAN AND FILTER...1596
      AIR INTAKE SYSTEM - INSPECTION...1597
      AIR CONDITIONER COMPRESSOR BELT...1597
      WHEEL HUB NUTS...1598
      LUBRICATING...1599
        BUCKET PIN (2 POINTS)...1599
        BUCKET LINK PIN (2 POINTS)...1599
        DUMP CYLINDER PIN (2 POINTS)...1600
        LIFT CYLINDER PIN (4 POINTS)...1600
        LIFT ARM PIVOT PIN (2 POINTS)...1600
        TILT LEVER PIN (1 POINT)...1601
        STEERING CYLINDER PIN (4 POINTS)...1601
      CHECK ELECTROLYTE LEVEL IN BATTERY...1601
    EVERY 500 HOURS SERVICE...1602
      FUEL FILTERS ...1602
      TRANSMISSION OIL FILTER...1603
      LUBRICATING...1603
        CENTER DRIVE SHAFT SPINE (1 POINT)...1603
      AIR DRYER...1603
      ANTIFREEZE CONCENTRATION - CHECK...1604
      COOLANT ADDITIVE CONCENTRATION...1604
      COOLANT FILTER...1605
    EVERY 1000 HOURS SERVICE...1606
      TRANSMISSION CASE AND STRAINER...1606
      TRANSMISSION CASE BREATHER...1607
      LUBRICATING...1608
        CENTER HINGE PIN (2 POINTS)...1608
        FRONT DRIVE SHAFT (2 POINTS)...1608
        DRIVE SHAFT CENTER SUPPORT (1 POINT)...1608
        REAR DRIVE SHAFT (2 POINTS)...1609
        CENTER DRIVE SHAFT (2 POINTS)...1609
      ENGINE VALVES...1609
      DRIVE BELT TENSION - CHECK...1613
      DRIVE BELT, TENSIONER BEARING AND FAN HUB - INSPECTION...1613
    EVERY 2000 HOURS SERVICE ...1615
      HYDRAULIC TANKS AND FILTER ...1615
      HYDRAULIC TANK BREATHER...1616
      DRIVE AXLES...1617
      AIR CONDITIONER FILTER...1618
      BRAKE DISC...1618
      INTERNAL PART OF AIR DRYER...1618
      COOLANT CHANGE AND FLUSHING THE SYSTEM...1619
        COOLANT...1619
        DCA4 UNIT MAINTENANCE GUIDE...1619
      VIBRATION DAMPER - INSPECTION...1623
      AIR COMPRESSOR - INSPECTION...1623
        AIR COMPRESSOR DISCHARGE - INSPECTION...1624
        AIR COMPRESSOR INTAKE - INSPECTION...1625
    AS REQUIRED...1627
      CHECK, CLEAN AND REPLACE AIR CLEANER ELEMENT...1627
        CHECKING...1627
        CLEANING OR REPLACING AIR CLEANER ELEMENT...1627
        REPLACING INNER ELEMENT...1628
        CLEANING THE OUTER ELEMENT...1628
      CHECK AND REFILL TRANSMISSION OIL...1629
      CLEAN RADIATOR FINS...1630
      CHECK AND REFILL DRIVE AXLE OIL...1630
      CLEAN DRIVE AXLE CASE BREATHER...1631
      CLEAN CONDENSER OF AIR CONDITIONER...1631
      CHECK AIR CONDITIONER...1632
        CHECK LEVELS OF REFRIGERANT (GAS)...1632
      LUBRICATING...1633
        WORK EQUIPMENT CONTROL VALVE LINKAGE (2 POINTS)...1633
        STEERING COLUMN (1 POINT)...1633
      CHECK AND REFILL WINDOW WASHING FLUID...1633
      WATER SEDIMENTOR...1634
      REPLACING BUCKET TEETH...1634
        IF THE BUCKET IS EQUIPPED WITH BOLT-ON TOOTH...1634
        IF THE BUCKET IS EQUIPPED WITH TIP TOOTH...1635
    ADJUSTMENT...1636
      ADJUSTING PARKING BRAKE...1636
      ADJUSTING LENGTH OF LEVER...1637
    TROUBLESHOOTING GUIDE...1638
      ELECTRICAL SYSTEM...1638
      ENGINE...1639
      CHASSIS ...1640
        TRANSMISSION...1640
        AXLE...1640
        DISC BRAKE...1640
        PARKING BRAKE...1641
        STEERING...1641
        HYDRAULIC SYSTEM...1641
      SERVICE METER...1642
      MACHINE AND ENGINE SERIAL NUMBERS...1642
      FUEL, COOLANT AND LUBRICANTS...1643
  SAFETY AND OPERATION...1648
    SAFETY HINTS...1649
      OPERATION...1649
        GENERAL...1649
      CHECKING JOBSITE ONDITIONS...1651
      BEFORE STARTING OPERATION...1652
        CHECK BEFORE STARTING...1652
        PRECUATIONS WHEN GETTING ON THE MACHINE...1654
        PRECAUTIONS WHEN STARTING THE ENGINE...1654
        CHECKS AFTER STARTING THE ENGINE...1655
      DURING OPERATION...1655
        ATTENTION TO SURROUNDINGS...1656
        RESTRICTIONS CREATED BY JOBSITE...1658
        PARKING...1660
    PRECAUTIONS FOR MAINTENANCE...1661
      GENERAL...1661
      BEFORE MAINTENANCE...1663
      DURING MAINTENANCE...1664
      MISCELLANEOUS...1665
    BUCKET OPERATION...1666
      EXCAVATION...1666
        PRECAUTIONS WHEN SCOOPING UP MATERIALS...1669
      LEVELING...1669
      LOAD AND CARRY OPERATIONS...1670
      LOADING...1670
        CROSS DRIVE LOADING...1670
        V-SHAPE LOADING...1670
    OPERATING THE AIR CONDITIONER...1671
      EQUIPMENT ON CONTROL PANEL...1671
        FAN SWITCH...1671
        AIR CONDITIONER SWITCH...1671
        AIR INTAKE SELECTOR LEVER...1671
        TEMPERATURE CONTROL LEVER...1672
        PRECAUTIONS FOR USING AIR CONDITIONER...1673
        HANDLING THE AIR CONDITIONER IN SEASON...1673
        HANDLING THE AIR CONDITIONER IN OFF-SEASONS...1673
  OPERATING THE CAB HEATER...1674
    EQUIPMENT ON CONTROL PANEL...1674
      FAN SWITCH...1674
      TEMPERATURE CONTROL LEVER...1674
      AIR INTAKE SELECTOR LEVER...1674
    METHOD OF OPERATION...1675
    LOCKING CAP...1676
    HANDLING OF BATTERY...1677
      PRECAUTIONS FOR CHARGING BATTERY...1677
      REMOVAL AND INSTALLATION OF BATTERY...1677
      STARTING ENGINE WITH A BOOSTER CABLE...1678
    TRANSPORTATION...1679
    STORAGE ...1680
      BEFORE STORAGE ...1680
      DURING STORAGE...1681
      AFTER STORAGE...1681
    COOLANT AND LUBRICANTS...1682
    MEMORANDA...1683

Komatsu Wheel Loader WA380LC Repair Service Manuals