Komatsu Hydraulic Excavators PC650, PC650LC, PC650SE, PC710 Repair Service Manuals
Catalog:
Model:
Complete service repair manual with Electrical Wiring Diagrams for Komatsu Hydraulic Excavators PC650-1, PC650-3, PC650-5, PC650LC-3, PC650SE-3, PC710-5, with all the technical information to maintain, diagnose, repair, and rebuild like professional mechanics.
Komatsu Hydraulic Excavators PC650-1, PC650-3, PC650-5, PC650LC-3, PC650SE-3, PC710-5 workshop service repair manual includes:
* Numbered table of contents easy to use so that you can find the information you need fast.
* Detailed sub-steps expand on repair procedure information
* Numbered instructions guide you through every repair procedure step by step.
* Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use.
* Notes, cautions and warnings throughout each chapter pinpoint critical information.
* Bold figure number help you quickly match illustrations with instructions.
* Detailed illustrations, drawings and photos guide you through every procedure.
* Enlarged inset helps you identify and examine parts in detail.
PRODUCT DETAILS:
Total Pages: 2,321 pages
File Format: PDF
Language: English
SEBM0209A04 - Hydraulic Excavator PC650-1 Shop Manual.pdf
SEBM000607 - Hydraulic Excavator PC650-5, PC710-5 Shop Manual.pdf
SEBM02090307 - Hydraulic Excavator PC650-3, PC650LC-3, PC650SE-3 Shop Manual.pdf
SEAM000604 - Hydraulic Excavator PC650-5, PC650LC-5, PC650SE-5, PC710-5, PC710SE-5 Operation & Maintenance Manual.pdf
SEAM02090303 - Hydraulic Excavator PC650-3 Operation & Maintenance Manual.pdf
SEAM02090306 - Hydraulic Excavator PC650-3, PC650LC-3, PC650SE-3 Operation & Maintenance Manual.pdf
SEAM000604 - Hydraulic Excavator PC650-5, PC650LC-5, PC650SE-5, PC710-5, PC710SE-5 Operation & Maintenance Manual...2
COVER...2
1.FOREWORD...3
2.SAFETY INFORMATION...4
3.INTRODUCTION...5
4.LOCATION OF PLATES,TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR...6
5.CONTENTS...7
SAFETY...11
6.GENERAL PRECAUTIONS...12
7.PRECAUTIONS DURING OPERATION...18
7.1 BEFORE STARTING ENGINE...18
7.2 OPERATING MACHINE...20
7.3 TRANSPORTATION...25
7.4 BATTERY...26
7.5 BUCKET WITH HOOK...27
8.PRECAUTIONS FOR MAINTENANCE...30
8.1 BEFORE CARRYING OUT MAINTENANCE...30
8.2 DURING MAINTENANCE...33
9.POSITION FOR ATTACHING SAFETY LABELS...37
OPERATION...40
10.GENERAL VIEW...41
10.1 GENERAL VIEW OF MACHINE...41
10.2 GENERAL VIEW OF CONTROLS AND GAUGES...42
11.EXPLANATION OF COMPONENTS...43
11.1 MACHINE MONITOR...43
11.2 LAMP...53
11.3 SWITCHES...54
11.4 CONTROL LEVERS, PEDALS...58
11.5 CEILING WINDOW...61
11.6 FRONT WINDOW...62
11.7 DOOR LOCK...64
11.8 EMERGENCY ENGINE STOP LEVER...64
11.9 DUST INDICATOR...65
11.10 AIR CONDITIONER...66
11.11 RADIO...71
11.12 FUSE ...75
11.13 CONTROLLERS...76
11.14 TOOL BOX...76
11.15 GREASE PUMP...76
11.16 HANDLING GREASE PUMP...77
11.17 HANDLING ACCUMULATOR...79
12.OPERATION...81
12.1 CHECK BEFORE STARTING ENGINE...81
12.2 STARTING ENGINE...90
12.3 OPERATIONS AND CHECKS AFTER STARTING ENGINE...93
12.4 MOVING MACHINE OFF...95
12.5 STEERING MACHINE...99
12.6 STOPPING MACHINE...101
12.7 SWINGING...102
12.8 OPERATION OF WORK EQUIPMENT...103
12.9 WORKING MODE SELECTION...104
12.10 PROHIBITIONS FOR OPERATION...105
12.11 PRECAUTIONS FOR OPERATION...107
12.12 PRECAUTIONS WHEN TRAVELING UP OR DOWN HILLS...108
12.13 HOW TO ESCAPE FROM MUD...110
12.14 WORK POSSIBLE USING HYDRAULIC EXCAVATOR...111
12.15 REPLACEMENT OF BUCKET...112
12.16 PARKING MACHINE...113
12.17 CHECK AFTER FINISHING WORK...114
12.18 STOPPING ENGINE...115
12.19 CHECK AFTER STOPPING ENGINE...116
12.20 LOCKING...116
13.TRANSPORTATION...117
13.1 LOADING,UNLOADING WORK...117
13.2 PRECAUTIONS FOR LOADING...119
13.3 PRECAUTIONS FOR TRANSPORTATION...120
13.4 PARTS FOR TRANSPORT...121
13.5 PROCEDURE FOR INCREASING OR REDUCING TRACK FRAME GAUGE...127
14.COLD WEATHER OPERATION...129
14.1 PRECAUTIONS FOR LOW TEMPERATURE...129
14.2 PRECAUTIONS AFTER COMPLETION OF WORK...131
14.3 AFTER COLD WEATHER...131
15.LONG-TERM STORAGE...132
15.1 BEFORE STORAGE...132
15.2 DURING STORAGE...133
15.3 AFTER STORAGE...133
15.4 STARTING MACHINE AFTER LONG-TERM STORAGE...133
16.TROUBLESHOOTING...134
16.1 PHENOMENA THAT ARE NOT FAILURES...134
16.2 PRECAUTIONS ON PARTICULAR JOBSITES...134
16.3 IF BATTERY IS DISCHARGED...135
16.4 OTHER TROUBLE...139
MAINTENANCE ...144
17.GUIDES TO MAINTENANCE...145
18.OUTLINES OF SERVICE...149
18.1 OUTLINE OF OIL,FUEL,COOLANT...149
18.2 OUTLINE OF ELECTRIC SYSTEM...152
18.3 OUTLINE OF HYDRAULIC SYSTEM...153
18.4 RELEASING PRESSURE...154
18.5 BLEEDING AIR FROM CIRCUIT...155
18.6 OIL FILTER AND LEVEL GAUGE POSITIONS...156
19.CONSUMABLE PARTS LIST...157
20.USE OF FUEL,COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE...158
21.STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS...162
21.1 INTRODUCTION OF NECESSARY TOOLS...162
21.2 TORQUE LIST...163
22.PERIODIC REPLACEMENT OF CRITICAL SAFETY PARTS...164
23.MAINTENANCE SCHEDULE CHART...166
23.1 MAINTENANCE SCHEDULE CHART...166
24.SERVICE PROCEDURE...170
24.1 INITIAL 100 HOURS SERVICE...170
24.2 INITIAL 250 HOURS SERVICE...170
24.3 WHEN REQUIRED...171
24.4 CHECK BEFORE STARTING...192
24.5 EVERY 10 HOURS SERVICE...197
24.6 EVERY 100 HOURS SERVICE...199
24.7 EVERY 250 HOURS SERVICE...200
24.8 EVERY 500 HOURS SERVICE...207
24.9 EVERY 1000 HOURS SERVICE...210
24.10 EVERY 2000 HOURS SERVICE...214
24.11 EVERY 4000 HOURS SERVICE...219
SPECIFICATIONS...220
25.SPECIFICATIONS...221
OPTIONS,ATTACHMENTS...230
26.GENERAL PRECAUTIONS...231
26.1 PRECAUTIONS RELATED TO SAFETY...231
26.2 PRECAUTIONS WHEN INSTALLING ATTACHMENTS...232
27.HANDLING BUCKET WITH HOOK...233
27.1 CHECKING FOR DAMAGE TO BUCKET WITH HOOK...233
27.2 PROHIBITED OPERATIONS...233
27.3 PRECAUTIONS DURING OPERATIONS...233
28.USING SEAT BELT...234
28.1 SEAT BELT...234
29.INTRODUCTION OF ATTACHMENTS...236
29.1 SPECIFICATION,USE...236
29.2 ATTACHMENT INSTALLATION COMBINATION TABLE...237
30.OPERATING RADIO...238
30.1 EXPLANATION OF COMPONENTS...238
30.2 OPERATION METHOD...240
30.3 PRECAUTIONS FOR USE...241
30.4 SPECIFICATIONS...241
LOADING SHOVEL...242
31.GENERAL LOCATIONS...243
32.INSTRUMENTS AND CONTROLS...244
32.1 SWITCH...244
32.2 CONTROL LEVERS...246
32.3 CONTORL BOX...248
32.4 FUSE BOX...249
33.OPERATIONS...250
33.1 OPERATION OF WORK EQUIPMENT...250
34.PRECAUTIONS FOR MACHINE OPERATION...252
34.1 PRECAUTIONS DURING OPERATION...252
35.PRECAUTIONS WHEN DISASSEMBLING MACHINE...255
36.MAINTENANCE...256
36.1 CHECK BEFORE STARTING...256
36.2 EVERY 10 HOURS SERVICE...257
37.EXCAVATOR WORK...259
38.TRANSPORTATION...260
39.TROUBLESHOOTING...261
40.CONSUMABLE PARTS LIST...263
41.SPECIFICATIONS...264
SEAM02090303 - Hydraulic Excavator PC650-3 Operation & Maintenance Manual...267
COVER...267
FOREWORD...268
BREAKING IN YOUR NEW MACHINE...269
CONTENTS...270
SAFETY HINTS...271
GENERAL LOCATIONS AND SPECIFICATIONS...280
INSTRUMENTS AND CONTROLS...281
OPERATING THE AIR CONDITIONER...315
USING ACCUMULATORS...321
USING GREASE GUN...322
CHECK BEFORE STARTING...324
OPERATING YOUR MACHINE...331
HANDLING OF BATTERY...346
TRANSPORTATION...349
COLD WEATHER OPERATION...353
PERIODIC MAINTENANCE...358
PRECAUTIONS FOR MAINTENANCE...359
PRECAUTIONS WHEN DISASSEMBLING MACHINE...364
BLEEDING AIR FORM CIRCUIT...366
MAINTENANCE TABLE...370
OIL FILLER AND LEVEL GAUGE POSITIONS...374
CHECK BEFORE STARTING...375
INITIAL 100 HOURS SERVICE...375
EVERY 100 HOURS SERVICE...376
INITIAL 250 HOURS SERVICE...378
EVERY 250 HOURS SERVICE...378
EVERY 500 HOURS SERVICE...386
EVERY 1000 HOURS SERVICE...390
EVERY 2000 HOURS SERVICE...393
EVERY 4000 HOURS SERVICE...398
WHEN REQUIRED...399
ADJUSTMENT...411
TROUBLE SHOOTING GUIDE...413
STORAGE...417
SERVICE METER...419
MACHINE AND ENGINE SERIAL NUMBERS...420
FUEL,COOLANT AND LUBRICANTS...421
LOADING SHOVEL...425
GENERAL LOCATIONS AND SPECIFICATIONS...426
TRANSPORTATION...437
PRECAUTIONS WHEN DISASSEMBLING MACHINE...440
MAINTENANCE TABLE...442
OIL FILLER AND LEVEL GAUGE POSITIONS...445
EVERY 100 HOURS SERVICE...446
EVERY 200 HOURS SERVICE...449
SEAM02090306 - Hydraulic Excavator PC650-3, PC650LC-3, PC650SE-3 Operation & Maintenance Manual...452
COVER...452
FOREWORD...453
BREAKING IN YOUR NEW MACHINE...454
CONTENTS...455
SAFETY HINTS...456
GENERAL LOCATIONS AND SPECIFICATIONS...465
INSTRUMENTS AND CONTROLS...466
OPERATING THE AIR CONDITIONER...500
USING ACCUMULATORS...506
USING GREASE GUN...507
CHECK BEFORE STARTING...509
OPERATING YOUR MACHINE...516
HANDLING OF BATTERY...531
TRANSPORTATION...534
COLD WEATHER OPERATION...538
PERIODIC MAINTENANCE...543
PRECAUTIONS FOR MAINTENANCE...544
PRECAUTIONS WHEN DISASSEMBLING MACHINE...549
BLEEDING AIR FORM CIRCUIT...551
MAINTENANCE TABLE...555
OIL FILLER AND LEVEL GAUGE POSITIONS...559
CHECK BEFORE STARTING...560
INITIAL 100 HOURS SERVICE...560
EVERY 100 HOURS SERVICE...561
INITIAL 250 HOURS SERVICE...563
EVERY 250 HOURS SERVICE...563
EVERY 500 HOURS SERVICE...571
EVERY 1000 HOURS SERVICE...575
EVERY 2000 HOURS SERVICE...578
EVERY 4000 HOURS SERVICE...583
WHEN REQUIRED...584
ADJUSTMENT...596
TROUBLE SHOOTING GUIDE...598
STORAGE...602
SERVICE METER...604
MACHINE AND ENGINE SERIAL NUMBERS...605
FUEL,COOLANT AND LUBRICANTS...606
LOADING SHOVEL...610
GENERAL LOCATIONS AND SPECIFICATIONS...611
TRANSPORTATION...622
PRECAUTIONS WHEN DISASSEMBLING MACHINE...625
MAINTENANCE TABLE...627
OIL FILLER AND LEVEL GAUGE POSITIONS...630
EVERY 100 HOURS SERVICE...631
EVERY 200 HOURS SERVICE...634
SEBM000607 - Hydraulic Excavator PC650-5, PC710-5 Shop Manual...637
COVER...637
CONTENTS...638
01 GENERAL...659
ASSEMBLY DRAWING...660
SPECIFICATIONS...666
WEIGHT TABLE...672
LIST OF LUBRICANT AND WATER...678
10 STRUCTURE AND FUNCTION...679
PTO (POWER TAKE-OFF)...680
PTO LUBRICATION SYSTEM...681
RADIATOR AND OIL COOLER...682
POWER TRAIN...683
SWING MACHINERY...684
SWING CIRCLE...685
FINAL DRIVE...686
TRACK FRAME...687
IDLER CUSHION...689
IDLER...689
TRACK ROLLER...690
CARRIER ROLLER...690
TRACK SHOE...691
AIR PIPING...692
AIR CIRCUIT DIAGRAM...693
AIR COMPRESSOR...693
AIR GOVERNOR...694
AIR TANK...694
SAFETY VALVE...695
HORN VALVE...695
GREASE PUMP...696
HYDRAULIC UNIT LOCATION...697
HYDRAULIC CIRCUIT DIAGRAM...699
HYDRAULIC TANK...702
NO.1 PUMP...703
NO.2 PUMP...722
SWING PUMP...727
CHARGING AND PTO LUBRICATING PUMP...732
LINE OIL FILTER...733
PILOT OIL FILTER...733
RETURN OIL FILTER...734
DRAIN OIL FILTER...734
L.H. 5-SPOOL CONTROL VALVE...735
R.H. 4-SPOOL CONTROL VALVE...739
SWING CONTROL VALVE...744
SWING MOTOR...747
CENTER SWIVEL JOINT...751
TRAVEL MOTOR...752
CONTROL RELIEF VALVE...759
SAFETY LOCK VALVE...760
ACCUMULATOR...762
PPC VALVE...763
SOLENOID VALVE ASSEMBLY...767
EPC VALVE...772
AUTO-DECELERATION CYLINDER...774
PPC SHUTTLE VALVE...775
HYDRAULIC CYLINDER...776
WORK EQUIPMENT...780
ELECTRICAL WIRING DIAGRAM...783
ELECTRICAL CIRCUIT DIAGRAM...789
ENGINE CONTROL...805
MACHINE CONTROL SYSTEM...807
WORK EQUIPMENT CONTROL SYSTEM...837
MACHINE MONITORING SYSTEM...842
20 TESTING AND ADJUSTING...863
TABLE OF JUDGEMENT STANDARD VALUE...864
STANDARD VALUE TABLE FOR ELECTRICAL SYSTEM...881
TOOLS FOR TESTING, ADJUSTING AND TROUBLESHOOTING...890
MEASURING ENGINE SPEED...891
MEASURING INTAKE AIR PRESSURE (BOOST PRESSURE)...892
MEASURING EXHAUST GAS TEMPERATURE...893
MEASURING EXHAUST GAS COLOR...894
ADJUSTING VALVE CLEARANCE...895
MEASURING COMPRESSION PRESSURE...896
MEASURING BLOW-BY PRESSURE...897
TESTING AND ADJUSTING FUEL INJECTION TIMING...898
MEASURING ENGINE OIL PRESSURE...900
TESTING AND ADJUSTING ALTERNATOR BELT TENSION...901
TESTING AND ADJUSTING FAN BELT TENSION...901
ADJUSTING FUEL CONTROL LINKAGE...902
ADJUSTING ENGINE SPEED SENSOR...907
CHECKING SWING CIRCLE BEARING CLEARANCE...908
TESTING AND ADJUSTING TRACK SHOE TENSION...909
TESTING AND ADJUSTING WORK EQUIPMENT, SWING, TRAVEL CIRCUIT PRESSURE...910
TESTING AND ADJUSTING CONTROL CIRCUIT PRESSURE...913
TESTING AND ADJUSTING PISTON PUMP CONTROL PRESSURE...915
MEASURING STROKE OF SERVO PISTON...921
TESTING AND ADJUSTING TRAVEL DEVIATION...922
MEASURING OIL LEAKAGE...924
CHECKING LOCATIONS CAUSING HYDRAULIC DRIFT OF WORK EQUIPMENT...928
MEASURING PPC VALVE OUTPUT PRESSURE...929
ADJUSTING WORK EQUIPMENT, SWING PPC VALVE...930
MEASURING SOLENOID VALVE OUTLET PRESSURE...931
BLEEDING AIR...932
RELEASING REMAINING PRESSURE IN HYDRAULIC CIRCUIT...934
TROUBLESHOOTING...935
POINTS TO REMEMBER WHEN TROUBLESHOOTING...936
SEQUENCE OF EVENTS IN TROUBLESHOOTING...937
POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE...938
CHECKS BEFORE TROUBLESHOOTING...946
ELECTRICAL CIRCUIT DIAGRAM...947
POSITION OF CONNECTORS FOR TROUBLESHOOTING...972
CONNECTION TABLE FOR CONNECTOR PIN NUMBERS...976
SELF-DIAGNOSTIC DISPLAY OF CONTROLLERS...986
METHOD OF USING JUDGEMENT TABLE...987
METHOD OF USING TROUBLESHOOTING CHART...989
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE)...991
JUDGEMENT TABLE FOR ELECTRICAL SYSTEM OR HYDRAULIC, MECHANICAL SYSTEM...992
E-1. EXCESSIVE DEVIATION WHEN TRAVEL (CONSTANT DEVIATION)...994
E-2. SPEED OF WORK EQUIPMENT, SWING, TRAVEL IS EXTREMELY SLOW OR LACKS POWER...997
E-3. ENGINE STALLS DURING OPERATIONS, OR ENGINE SPEED DROPS...1001
E-4. EVEN WHEN MODE SELECTOR SWITCH IS SWITCHED, OUTPUT DOES NOT CHANGE...1004
E-5. AUTO-DECELERATION FUNCTION DOES NOT WORK PROPERLY (THERE IS NO DECELERATION, OR DECELERATION STAYS ON)...1011
E-6. UPPER STRUCTURE DOES NOT SWING...1019
E-7. EXCESSIVE HYDRAULIC DRIFT OF SWING...1024
E-8. TRAVEL SPEED DOES NOT CHANGE...1028
E-9. EXCESSIVE TRAVEL DEVIATION DURING COMPOUND OPERATIONS (BUT ONLY FOR COMBINATION OF TRAVEL AND WORK EQUIPMENT)...1030
E-10. DEFECTIVE OPERATION OF HEAVY LIFT FUNCTION...1041
E-11. MACHINE PUSH UP FUNCTION IS NOT ACTUATED...1049
E-12. ENGINE DOES NOT START...1056
E-13. ENGINE DOES NOT STOP...1059
TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (H MODE)...1061
BEFORE CARRYING OUT TROUBLESHOOTING OF HYDRAULIC SYSTME (H MODE)...1062
H-1. EXCESSIVE TRAVEL DEVIATION (GOES OUTSIDE STANDARD ONLY DURING TRAVEL OPERATIONS, WHEN TRAVEL LEVER IS OPERATED TO END OF STROKE)...1065
H-2. EXCESSIVE TRAVEL DEVIATION DURING COMPOUND OPERATIONS...1069
H-3. EXCESSIVE DEVIATION WHEN STARTING...1070
H-4. CONTROL LEVERS ARE EXTREMELY HEAVY...1072
H-5. WORK EQUIPMENT, TRAVEL, SWING START TO MOVE SUDDENLY (IN FINE CONTROL RANGE)...1073
H-6. SPEED OF WORK EQUIPMENT, SWING, TRAVEL IS EXTREMELY SLOW OR LACKS POWER ...1074
H-7. ENGINE STALLS OR ENGINE SPEED DROPS DURING OPERATION...1078
H-8. OUTPUT DOES NOT CHANGE WHEN MODE SELECTOR SWITCH IS OPERATED...1079
H-9. AUTO-DECELERATION FUNCTION DOES NOT WORK PROPERLY (THERE IS NO DECELERATION OR DECELERATION STAYS ON )...1079
H-10. ABNORMAL NOISE COMES FROM AROUND PUMP...1080
H-11. SWING SPEED IS SLOW, OR THERE IS EXCESSIVE OVERRUN WHEN STOPPING SWING...1081
H-12. UPPER STRUCTURE DOES NOT SWING...1082
H-13. EXCESSIVE HYDRAULIC DRIFT OF SWING...1083
H-14. EXCESSIVE HYDRAULIC DRIFT OF WORK EQUIPMENT...1083
H-15. EXCESSIVE TIME LAG OF WORK EQUIPMENT...1084
H-16. TRAVEL SPEED DOES ONT CHANGE...1085
H-17. DEFECTIVE ACTUATION OF HEAVY-LIFT FUNCTION (BOOM RAISE SET PRESSURE DOES NOT INCREASE, OR INCREASES BUT DOES NOT GO DOWN)...1086
H-18. DEFECTIVE ACTUATION OF MACHINE PUSH UP FUNCTION (BOOM LOWER SET PRESSURE DOES NOT INCREASE, OR INCRESES BUT DOES NOT GO DOWN)...1086
TABLE OF FAILURE MODES AND CAUSES...1087
TROUBLESHOOTING OF MACHINE MONITOR SYSTEM (M MODE)...1089
M-1. WHEN STARTING SWITCH IS TURNED ON, MONITOR PANEL DISPLAY DOES NOT APPEAR...1090
M-2. WHEN STARTING SWITCH IS TURNED ON, MONITOR PANEL DISPLAY DOES NOT GO OUT...1090
M-3. WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED), CHECK ITEMS FLASH. (FLUID LEVEL OF CHECK ITEMS ARE CORRECT)...1091
M-4. WHEN STARTING SWITCH IS TURNED ON AND ENGINE IS STARTED, CHECK ITEMS FLASH...1094
M-5. WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED), CAUTION ITEMS FLASH...1096
M-6. WHEN STARTING SWITCH IS TURNED ON AMD ENGINE IS STARTED, CAUTION ITEMS FLASH...1097
M-7. WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED) FOR 1 SECOND, OR WHEN CAUTION ITEMS ARE FLASHING, WARNING BUZZER DOES NOT SOUND...1102
M-8. NO ABNORMAL DISPLAY ON MONITOR BUT WARNING BUZZER SOUNDS...1103
M-9. PANEL LIGHTING OF MONITOR PANEL DOES NOT LIGHT UP (LIQUID CRYSTAL DISPLAY IS NORMAL)...1104
M-10. WHEN ENGINE IS STARTED, SERVICE METER DOES NOT MOVE, WHEN ENGINE IS STOPPED, SERVICE METER MOVES...1106
M-11. COOLANT TEMPERATURE GAUGE SHOWS ABNORMALLY LOW TEMPERATURE...1108
M-12. COOLANT TEMPERATURE GAUGE GIVES NO DISPLAY...1109
M-13. FUEL LEVEL GAUGE ALWAYS DISPLAYS FULL...1110
M-14. FUEL LEVEL GAUGE GIVES NO DISPLAY...1111
M-15. HEAD LAMP, WORKING LAMP DO NOT LIGHT UP...1112
M-16. WIPERS DO NOT WORK...1115
30 DISASSEMBLY AND ASSEMBLY...1117
METHOD OF USING MANUAL...1119
PRECAUTIONS WHEN CARRYING OUT OPERATION...1120
SPECIAL TOOL LIST...1122
STARTING MOTOR...1130
REMOVAL AND INSTALLATION...1130
ALTERNATOR...1131
REMOVAL AND INSTALLATION...1131
NOZZLE HOLDER...1132
REMOVAL...1132
INSTALLATION...1133
ENGINE OIL COOLER...1134
REMOVAL AND INSTALLATION...1134
FUEL INJECTION PUMP...1135
REMOVAL AND INSTALLATION...1135
WATER PUMP...1136
REMOVAL AND INSTALLATION...1136
TURBOCHARGER...1137
REMOVAL AND INSTALLATION...1137
HYRDAULIC COOLER...1138
REMOVAL AND INSTALLATION...1138
CYLINDER HEAD...1139
REMOVAL...1139
INSTALLATION...1142
RADIATOR...1144
REMOVAL AND INSTALLATION...1144
AFTER-COOLER CORE...1145
REMOVAL AND INSTALLATION...1145
ENGINE, PTO, HYDRAULIC PUMP...1146
REMOVAL...1146
INSTALLATION...1150
PTO...1151
REMOVAL...1151
INSTALLATION...1153
DISASSEMBLY...1154
ASSEMBLY...1155
FINAL DRIVE...1156
REMOVAL AND INSTALLATION...1156
DISASSEMBLY...1157
ASSEMBLY...1161
REVOLVING FRAME...1166
REMOVAL...1166
INSTALLATION...1167
SWING MACHINERY...1168
REMOVAL AND INSTALLATION...1168
DISASSEMBLY...1169
ASSEMBLY...1172
SWING CIRCLE...1176
REMOVAL AND INSTALLATION...1176
TRACK SHOE...1177
REMOVAL...1177
INSTALLATION...1178
ONE LINK...1179
FIELD DISASSEMBLY...1179
FIELD ASSEMBLY...1181
SPROCKET...1183
REMOVAL AND INSTALLATION...1183
IDLER...1184
REMOVAL AND INSTALLATION...1184
FRONT IDLER...1185
DISASSEMBLY...1185
ASSEMBLY...1187
IDLER ADJUSTMENT CYLINDER...1189
DISASSEMBLY AND ASSEMBLY...1189
RECOIL SPRING...1190
REMOVAL AND INSTALLATION...1190
DISASSEMBLY AND ASSEMBLY...1192
CARRIER ROLLER...1193
REMOVAL AND INSTALLATION...1193
DISASSEMBLY...1194
ASSEMBLY...1195
TRACK ROLLER...1197
REMOVAL AND INSTALLATION...1197
DISASSEMBLY...1198
ASSEMBLY...1199
NO.1 PUMP...1201
REMOVAL...1201
INSTALLATION...1202
HYDRAULIC PUMP...1203
DISASSEMBLY...1203
ASSEMBLY...1208
SERVO VALVE...1219
REMOVAL AND INSTALLATION...1219
TVC VALVE...1220
REMOVAL AND INSTALLATION...1220
CO・NC VALVE...1221
REMOVAL AND INSTALLATION...1221
NO.2 PUMP...1222
REMOVAL...1222
INSTALLATION...1223
SWING PUMP...1224
REMOVAL AND INSTALLATION...1224
DISASSEMBLY...1225
ASSEMBLY...1228
CHARGING, PTO LUBRICATION PUMP...1239
REMOVAL AND INSTALLATION...1239
MAIN RELIEF VALVE (FOR SWING CONTROL VALVE)...1240
REMOVAL AND INSTALLATION...1240
DISASSEMBLY AND ASSEMBLY...1241
MAIN CONTROL VALVE (FOR WORK EQUIPMENT,4-,5-SPOOL CONTROL VALVE)...1242
REMOVAL AND INSTALLATION...1242
DISASSEMBLY AND ASSEMBLY...1243
SWING CONTROL VALVE...1244
REMOVAL AND INSTALLATION...1244
DISASSEMBLY...1245
ASSEMBLY...1246
CONTROL VALVE (WORK EQUIPMENT)...1247
DISASSEMBLY...1247
ASSEMBLY...1249
SWING MOTOR...1251
REMOVAL AND INSTALLATION...1251
DISASSEMBLY...1252
ASSEMBLY...1255
CENTER SWIVEL JOINT...1260
REMOVAL AND INSTALLATION...1260
DISASSEMBLY...1261
ASSEMBLY...1262
TRAVEL MOTOR...1263
REMOVAL AND INSTALLATION...1263
DISASSEMBLY...1264
ASSEMBLY...1274
CHARGING PUMP RELIEF VALVE...1286
REMOVAL AND INSTALLATION...1286
DISASSEMBLY AND ASSEMBLY...1287
PPC VALVE (FOR TRAVEL)...1288
DISASSEMBLY AND ASSEMBLY...1288
PPC VALVE (FOR WORK EQUIPMENT, SWING)...1289
DISASSEMBLY AND ASSEMBLY...1289
AUTO-DECELERATION CYLINDER...1290
REMOVAL AND INSTALLATION...1290
BOOM CYLINDER (BACK HOE)...1291
REMOVAL...1291
INSTALLATION...1292
ARM CYLINDER (BACK HOE)...1293
REMOVAL AND INSTALLATION...1293
BUCKET CYLINDER (BACK HOE)...1294
REMOVAL...1294
INSTALLATION...1295
BOOM CYLINDER (LOADING SHOVEL)...1296
REMOVAL...1296
INSTALLATION...1297
ARM CYLINDER (LOADING SHOVEL)...1298
REMOVAL...1298
INSTALLATION...1299
BUCKET CYLINDER (LOADING SHOVEL)...1300
REMOVAL...1300
INSTALLATION...1301
BOTTOM, DUMP CYLINDER (LOADING SHOVEL)...1302
REMOVAL AND INSTALLATION...1302
HYDRAULIC CYLINDER...1303
DISASSEMBLY...1303
ASSEMBLY...1305
BUCKET (BACK HOE)...1308
REMOVAL AND INSTALLATION...1308
ARM (BACK HOE)...1309
REMOVAL...1309
INSTALLATION...1310
BOOM (BACK HOE)...1311
REMOVAL AND INSTALLATION...1311
BUCKET AND ARM (BACK HOE)...1312
REMOVAL AND INSTALLATION...1312
WORK EQUIPMENT (BACK HOE)...1313
REMOVAL...1313
INSTALLATION...1314
BUCKET (LOADING SHOVEL)...1315
REMOVAL AND INSTALLATION...1315
ARM (LOADING SHOVEL)...1316
REMOVAL...1316
INSTALLATION...1317
BOOM (LOADING SHOVEL)...1318
REMOVAL...1318
INSTALLATION...1319
WORK EQUIPMENT (LOADING SHOVEL)...1320
REMOVAL...1320
INSTALLATION...1321
OPERATOR'S CAB...1322
REMOVAL AND INSTALLATION...1322
COUNTERWEIGHT...1323
REMOVAL AND INSTALLATION...1323
MONITOR PANEL...1324
REMOVAL AND INSTALLATION...1324
AUTO-DECELERATION・OLSS CONTROLLER...1325
REMOVAL AND INSTALLATION...1325
40 MAINTENANCE STANDARD...1326
PTO...1327
SWING CIRCLE...1328
SWING MACHINERY...1329
FINAL DRIVE...1331
TRACK FRAME AND RECOIL SPRING...1333
TRACK ROLLER...1334
IDLER...1335
CARRIER ROLLER...1337
TRACK SHOE...1339
CHARGING AND PTO LUBRICATION PUMP...1340
L.H. 5-SPOOL CONTROL VALVE...1341
R.H. 4-SPOOL CONTROL VALVE...1345
SWING CONTROL VALVE...1348
SWING MOTOR...1350
CENTER SWIVEL JOINT...1351
PILOT RELIEF VALVE...1352
PPC VALVE...1353
HYDRAULIC CYLINDER...1355
WORK EQUIPMENT...1357
SEBM02090307 - Hydraulic Excavator PC650-3, PC650LC-3, PC650SE-3 Shop Manual...1371
COVER...1371
CONTENTS...1372
10 ENGINE...1397
11 STRUCTURE AND FUNCTION...1397
ENGINE RELATED PARTS...1398
PTO (POWER TAKE-OFF)...1399
PTO LUBRICATION SYSTEM...1400
RADIATOR AND OIL COOLER...1401
FUEL TANK AND PIPING...1402
ENGINE CONTROL SYSTEM...1403
AUTO-DECELERATION SYSTEM (IF EQUIPPED)...1404
12 TESTING AND ADJUSTING...1412
STANDARD FOR TESTING AND ADJUSTING...1413
TESTING AND ADJUSTING TOOL LIST...1413
ADJUSTING VALVE CLEARANCE...1414
MEASURING COMPRESSION PRESSURE...1415
ADJUSTING FUEL INJECTION TIMING...1416
MEASURING EXHAUST GAS COLOR...1417
MEASURING BLOW-BY PRESSURE...1418
TESTING AND ADJUSTING FAN BELT TENSION...1419
TESTING AND ADJUSTING ALTERNATOR BELT TENSION...1419
ADJUSTING FUEL CONTROL LEVER...1420
ADJUSTING AUTO-DECELERATION SYSTEM...1423
13 DISASSEMBLY AND ASSEMBLY...1424
STARTING MOTOR...1425
REMOVAL...1425
INSTALLATION...1425
ALTERNATOR...1425
REMOVAL...1425
INSTALLATION...1425
ENGINE OIL COOLER...1425
REMOVAL...1425
INSTALLATION...1425
FUEL INJECTION PUMP...1427
REMOVAL...1427
INSTALLATION...1427
WATER PUMP...1427
REMOVAL...1427
INSTALLATION...1427
NOZZLE HOLDER...1429
REMOVAL...1429
INSTALLATION...1429
TURBOCHARGER...1429
REMOVAL...1429
INSTALLATION...1429
CYLINDER HEAD...1431
REMOVAL...1431
INSTALLATION...1435
HYDRAULIC OIL COOLER...1439
REMOVAL...1439
INSTALLATION...1439
RADIATOR...1439
REMOVAL...1439
INSTALLATION...1439
ENGINE, PTO AND HYDRAULIC PUMP...1441
REMOVAL...1441
INSTALLATION...1445
PTO...1449
REMOVAL...1449
INSTALLATION...1449
DISASSEMBLY...1451
ASSEMBLY...1451
DECELERATOR CYLINDER (IF EQUIPPED)...1455
REMOVAL...1455
INSTALLATION...1455
14 MAINTENANCE STANDARD...1457
PTO...1458
20 POWER TRAIN...1459
21 STRUCTURE AND FUNCTION...1459
POWER TRAIN ...1460
TRAVEL AND BRAKE SYSTEM...1462
1. OUTLINE...1462
2. TRAVEL CONTROL CIRCUIT SCHEMATICS...1464
3. TRAVEL CONTROL CIRCUIT...1466
4. STRAIGHT-TRAVEL SYSTEM...1468
5. CENTER SWIVEL JOINT...1474
6. TRAVEL MOTOR (WITH PARKING BRAKE) ASSEMBLY...1475
7. TRAVEL BRAKE VALVE...1491
8. FINAL DRIVE...1494
SWING SYSTEM...1497
1. OUTLINE...1497
2. SWING HYDRAULIC CIRCUIT SCHEMATICS...1498
3. SWING HYDRAULIC CIRCUIT...1499
4. SWING PUMP...1500
5. SWING CONTROL VALVE...1503
6. SWING MOTOR (WITH MECHANICAL BRAKE) AND SAFETY VALVE ASSEMBLY...1507
7. SWING BRAKE (AUTOMATIC) AND SWING PARKING BRAKE (MANUAL)...1513
8. FREE SWING SYSTEM...1517
9. SWING MACHINERY...1522
10. SWING CIRCLE...1524
23 DISASSEMBLY AND ASSEMBLY...1525
CENTER SWIVEL JOINT...1526
REMOVAL...1526
INSTALLATION...1526
DISASSEMBLY...1528
ASSEMBLY...1528
TRAVEL MOTOR (WITH FOUR TRAVEL MOTORS)...1530
REMOVAL...1530
INSTALLATION...1530
DISASSEMBLY...1534
ASSEMBLY...1540
TRAVEL BRAKE VALVE (WITH FOUR TRAVEL MOTORS)...1530
REMOVAL...1530
INSTALLATION...1530
TRAVEL MOTOR (WITH TWO TRAVEL MOTORS)...1532
REMOVAL...1532
INSTALLATION...1532
DISASSEMBLY...1550
ASSEMBLY...1563
FINAL DRIVE...1579
REMOVAL (WITH FOUR TRAVEL MOTORS)...1579
INSTALLATION (WITH FOUR TRAVEL MOTORS)...1579
REMOVAL (WITH TWO TRAVEL MOTORS)...1581
INSTALLATION (WITH TWO TRAVEL MOTORS)...1581
DISASSEMBLY (WITH FOUR TRAVEL MOTORS)...1583
ASSEMBLY (WITH FOUR TRAVEL MOTORS)...1587
DISASSEMBLY (WITH TWO TRAVEL MOTORS)...1595
ASSEMBLY (WITH TWO TRAVEL MOTORS)...1599
SPROCKET...1607
REMOVAL...1607
INSTALLATION...1607
SWING PUMP...1609
REMOVAL...1609
INSTALLATION...1609
DISASSEMBLY...1611
ASSEMBLY...1615
CO・NC VALVE (FOR SWING PUMP)...1625
REMOVAL...1625
INSTALLATION...1625
SERVO VALVE (FOR SWING PUMP)...1625
REMOVAL...1625
INSTALLATION...1625
SWING CONTROL VALVE...1625
REMOVAL...1625
INSTALLATION...1625
DISASSEMBLY...1627
ASSEMBLY...1627
MAIN RELIEF VALVE (FOR SWING CONTROL VALVE)...1627
REMOVAL...1627
INSTALLATION...1627
SWING MOTOR...1629
REMOVAL...1629
INSTALLATION...1629
DISASSEMBLY...1631
ASSEMBLY...1635
REVOLVING FRAME...1639
REMOVAL...1639
INSTALLATION...1639
SWING CIRCLE...1641
REMOVAL...1641
INSTALLATION...1641
SWING MACHINERY...1643
REMOVAL...1643
INSTALLATION...1643
DISASSEMBLY...1645
ASSEMBLY...1649
24 MAINTENANCE STANDARD...1653
TRAVEL MOTOR...1654
TRAVEL SHUTTLE VALVE...1655
STRAIGHT-TRAVEL VALVE...1656
TRAVEL BRAKE VALVE...1657
FINAL DRIVE...1659
SWING CONTROL VALVE...1663
JET SENSOR...1665
SWING MOTOR...1666
SWING SHADOW VALVE (IF EQUIPPED)...1667
CONNECTION VALVE (IF EQUIPPED)...1668
SWING MACHINERY...1669
SWING CIRCLE...1671
30 UNDERCARRIAGE...1672
31 STRUCTURE AND FUNCTION...1672
TRACK FRAME...1673
IDLER CUSHION...1675
IDLER...1679
TRACK ROLLER...1680
CARRIER ROLLER...1681
TRACK SHOE...1682
33 DISASSEMBLY AND ASSEMBLY...1684
IDLER...1685
REMOVAL...1685
INSTALLATION...1685
IDLER CUSHION...1685
REMOVAL...1685
INSTALLATION...1685
DISASSEMBLY...1687
ASSEMBLY...1687
IDLER ADJUSTMENT CYLINDER...1687
DISASSEMBLY...1687
ASSEMBLY...1687
TRACK ROLLER...1689
REMOVAL...1689
INSTALLATION...1689
CARRIER ROLLER...1689
REMOVAL...1689
INSTALLATION...1689
TRACK SHOE...1691
REMOVAL...1691
INSTALLATION...1691
34 MAINTENANCE STANDARD...1693
TRACK FRAME...1694
TRACK SHOE...1695
IDLER...1697
TRACK ROLLER...1699
CARRIER ROLLER...1701
50 AIR SYSTEM...1702
51 STRUCTURE AND FUNCTION...1702
AIR PIPING...1703
AIR CIRCUIT DIAGRAM...1704
AIR GOVERNOR...1705
AIR TANK...1705
SAFETY VALVE...1706
HORN VALVE...1706
GREASE PUMP...1707
60 HYDRAULIC SYSTEM...1708
61 STRUCTURE AND FUNCTION...1708
HYDRAULIC PIPING...1709
HYDRAULIC CIRCUIT DIAGRAM...1713
WORK EQUIPMENT CONTROL...1717
ELECTRONIC AUTOMATIC WORK EQUIPMENT CONTROL SYSTEM (IF EQUIPPED)...1733
HYDRAULIC TANK...1742
MAIN PUMP...1743
HYDRAULIC OIL FILTER...1762
CHARGING AND PTO LUBRICATING PUMP...1766
2-STAGE AND 3-STAGE MODE SELECTOR OLSS (OPEN CENTER LOAD SENSING SYSTEM)...1767
HYDRAULIC CONTROL VALVE...1785
PPC VALVE...1792
PPC SHUTTLE VALVE...1798
ACCUMULATOR...1800
PILOT RELIEF VALVE...1801
SAFETY LOCK VALVE...1803
HYDRAULIC CYLINDER...1805
WORK EQUIPMENT...1812
62 TESTING AND ADJUSTING...1814
TABLE OF JUDGEMENT STANDARD VALUE...1815
TABLE OF ELECTRICAL JUDGEMENT STANDARD VALUE...1824
TESTING AND ADJUSTING TOOL LIST...1838
TESTING TRAVEL AND OPERATING FORCE...1839
TESTING AND ADJUSTING MAIN RELIEF VALVE...1840
TESTING CONTROL CIRCUIT PRESSURE...1842
MEASURING DISCHARGE OF MAIN PISTON PUMP...1845
CHECKING AND ADJUSTING TRAVEL MOTOR PERFORMANCE...1846
MEASURING OIL LEAKAGE FROM SWING AND TRAVEL MOTOR...1849
TESTING OIL LEAKAGE FROM SWIVEL JOINT...1850
BLEEDING AIR...1852
CHARGING ACCUMULATOR WITH GAS...1855
TESTING METHOD USING VISUAL AND FUNCTIONAL CHECK...1857
ADJUSTMENT OF WORK EQUIPMENT POTENTIOMETER...1858
ADJUSTMENT OF WORK EQUIPMENT CONTROL BOX...1859
TROUBLESHOOTING...1864
ELECTRICAL CIRCUIT DIAGRAM...1865
POSITION OF CONNECTORS FOR TROUBLESHOOTING ...1869
CONNECTION TABLE FOR CONNECTOR PINS...1879
TROUBLESHOOTING PROCEDURE...1883
CHECKS BEFORE TROUBLESHOOTING...1884
E.H MODE TROUBLESHOOTING...1887
ABNORMALITY JUDGEMENT CONDITIONS FOR SELF-TESTING DISPLAY...1888
TROUBLESHOOTING (EXCEPT TROUBLESHOOTING FOR MACHINE MONITOR)...1889
E-1 MACHINE DEVIATES EXCESSIVELY...1893
a) SELF-TESTING DISPLAY SHOWS ABNORMALITY...1894
b) IF CAUSE IS REMOVED WHEN SWITCHING TO PROLIX CIRCUIT (WHEN SELF-TESTING DISPLAY SHOWS NORMAL)...1896
E-2 WORK EQUIPMENT, SWING, TRAVEL SPEEDS EXTREMELY SLOW, OR LACK OF POWER...1897
a) SELF-TESTING DISPLAY SHOWS ABNORMALITY...1897
b) IF CAUSE IS REMOVED WHEN SWITCHING TO PROLIX CIRCUIT (WHEN SELF-TESTING DISPLAY SHOWS NORMAL)...1899
E-3 ENGINE STALLS DURING OPERATIONS, OR ENGINE SPEED DROPS...1902
a) SELF-TESTING DISPLAY SHOWS ABNORMALITY...1902
b) IF CAUSE IS REMOVED WHEN SWITCHING TO PROLIX CIRCUIT (WHEN SELF-TESTING DISPLAY SHOWS NORMAL)...1904
E-4 NO CHANGE IN OUTPUT WHEN MODE SWITCH IS OPERATED...1905
a) SELF-TESTING DISPLAY SHOWS ABNORMALITY...1906
b) IF CAUSE IS REMOVED WHEN SWITCHING TO PROLIX CIRCUIT (WHEN SELF-TESTING DISPLAY SHOWS NORMAL)...1906
E-5 AUTO-DECELERATION DOES NOT WORK...1911
a) SELF-TESTING DISPLAY SHOWS ABNORMALITY...1911
b) IF CAUSE IS REMOVED WHEN SWITCHING TO PROLIX CIRCUIT (WHEN SELF-TESTING DISPLAY SHOWS NORMAL)...1915
E-6 SWING DOES NOT WORK...1917
E-7 EXCESSIVE HYDRAULIC DRIFT OF SWING ...1919
E-8 TRAVEL SPEED DOES NOT SWITCH...1920
a) SPEED DOES NOT INCREASE WHEN PLACED IN HI (DOES NOT SWITCH TO HI)...1920
b) SPEED DOES NOT DECREASE WHEN PLACED IN LO...1920
H-1 MACHINE DEVIATES EXCESSIVELY (DEVIATES MORE THAN STANDARD WHEN ONLY TRAVEL SYSTEM IS USED, TRAVEL LEVER AT FULL POSITION)...1926
H-2 EXCESSIVE DEVIATION IN TRAVEL DURING SIMULTANEOUS OPERATIONS...1930
H-3 MACHINE DEVIATES EXCESSIVELY WHEN STARTING...1932
H-4 CONTROL LEVERS ARE EXTREMELY HEAVY...1934
a) IF TRAVEL LEVER IS HEAVY...1934
b) IF WORK EQUIPMENT LEVERS ARE HEAVY...1934
H-5 WORK EQUIPMENT, TRAVEL, AND SWING START SUDDENLY DURING FINE CONTROL OPERATIONS...1935
H-6 SPEEDS FOR WORK EQUIPMENT, SWING, AND TRAVEL ARE ALL EXTREMELY SLOW, OR THERE IS NO POWER...1936
a) MACHINE HARDLY MOVES...1936
b) ABNORMALITY IN SOME PART (ABNORMALITY ON ONE SIDE)...1938
H-7 ENGINE STALLS OR ENGINE SPEED DROPS DURING OPERATIONS...1940
H-8 NO CHANGE IN OUTPUT WHEN MODE SELECTOR SWITCH IS OPERATED...1941
H-9 AUTO-DECELERATION DOES NOT COME ON, OR DOES NOT GO OFF...1942
H-10 ABNORMAL NOISE COMES FROM AROUND PUMP...1942
H-11 SWING SPEED IS SLOW, OR OVERRUN WHEN STOPPING SWING IS EXCESSIVE...1943
H-12 UPPER STRUCTURE DOES NOT SWING...1945
H-13 EXCESSIVE HYDRAULIC DRIFT...1947
H-16 EXCESSIVE TIME LAG FOR WORK EQUIPMENT...1947
H-17 TRAVEL SPEED DOES NOT SWITCH...1948
a) SPEED DOES NOT INCREASE EVEN WHEN SELECTOR SWITCH IS PLACED IN HI...1948
b) SPEED DOES NOT DECREASE EVEN WHEN SELECTOR SWITCH IS PLACED IN LO...1948
FAILURE MODE AND COMPONENTS...1949
W.L MODE TROUBLESHOOTING ...1950
ABNORMALITY JUDGEMENT CONDITIONS FOR SELF-TESTING DISPLAY...1951
TROUBLESHOOTING...1952
W-1 IN ARC DIGGING MODE, WORK EQUIPMENT CARRIES OUT HORIZONTAL DIGGING, OR THERE IS BUCKET ANGLE COMPENSATION...1954
W-2 IN HORIZONTAL DIGGING MODE, WORK EQUIPMENT DOES NOT CARRY OUT HORIZONTAL DIGGING...1955
a) SELF-TESTING DISPLAY DOES NOT SHOW ABNORMALITY...1955
b) SELF-TESTING DISPLAY SHOWS ABNORMALITY...1957
W-3 IN HORIZONTAL DIGGING MODE, THERE IS BUCKET ANGLE COMPENSATION...1963
W-4 IN HORIZONTAL DIGGING + BUCKET ANGLE COMPENSATION MODE, WORK EQUIPMENT CARRIES OUT HORIZONTAL DIGGING, BUT THERE IS NO BUCKET ANGLE COMPENSATION...1964
a) SELF-TESTING DISPLAY DOES NOT SHOW ABNORMALITY...1964
b) SELF-TESTING DISPLAY SHOWS ABNORMALITY...1966
W-5 IN HORIZONTAL DIGGING + BUCKET ANGLE COMPENSATION MODE, THERE IS BUCKET ANGLE COMPENSATION, BUT WORK EQUIPMENT DOES NOT CARRY OUT HORIZONTAL DIGGING...1968
a) SELF-TESTING DISPLAY DOES NOT SHOW ABNORMALITY...1968
b) SELF-TESTING DISPLAY SHOWS ABNORMALITY...1968
W-6 IN HORIZONTAL DIGGING + BUCKET ANGLE COMPENSATION MODE, WORK EQUIPMENT DOES NOT CARRY OUT HORIZONTAL DIGGING, AND THERE IS NO BUCKET ANGLE COMPENSATION...1970
a) SELF-TESTING DISPLAY DOES NOT SHOW ABNORMALITY...1970
b) SELF-TESTING DISPLAY SHOWS ABNORMALITY...1971
L-1 WORK EQUIPMENT DOES NOT CARRY OUT HORIZONTAL DIGGING OR BUCKET ANGLE COMPENSATION...1977
63 DISASSEMBLY AND ASSEMBLY...1978
CHARGING AND PTO LUBRICATION PUMP...1979
REMOVAL AND INSTALLATION...1979
NO.1 PUMP...1981
REMOVAL AND INSTALLATION...1981
NO.2 PUMP...1983
REMOVAL AND INSTALLATION...1983
MAIN PUMP...1985
DISASSEMBLY...1985
ASSEMBLY...1989
SERVO VALVE (FOR NO.1 FRONT PUMP)...2001
REMOVAL AND INSTALLATION...2001
SERVO VALVE (FOR NO.1 REAR PUMP)...2001
REMOVAL AND INSTALLATION...2001
SERVO VALVE (FOR NO.2 FRONT PUMP)...2001
REMOVAL AND INSTALLATION...2001
SERVO VALVE (FOR NO.2 REAR PUMP)...2001
REMOVAL AND INSTALLATION...2001
CO・NC VALVE (FOR NO.1 FRONT PUMP)...2003
REMOVAL AND INSTALLATION...2003
CO・NC VALVE (FOR NO.1 REAR PUMP)...2003
REMOVAL AND INSTALLATION...2003
TVC VALVE...2005
REMOVAL AND INSTALLATION...2005
L.H.5-SPOOL CONTROL VALVE...2007
REMOVAL...2007
INSTALLATION...2009
R.H.4-SPOOL CONTROL VALVE...2013
REMOVAL ...2013
INSTALLATION...2015
CONTROL VALVE...2019
DISASSEMBLY AND ASSEMBLY...2019
MAIN RELIEF VALVE (FOR L.H.5-SPOOL,R.H.4-SPOOL VALVE)...2021
REMOVAL AND INSTALLATION...2021
PILOT RELIEF VALVE...2021
REMOVAL AND INSTALLATION...2021
PPC VALVE (FOR TRAVEL)...2023
REMOVAL AND INSTALLATION...2023
DISASSEMBLY AND ASSEMBLY...2025
PPC VALVE (FOR WORK EQUIPMENT AND SWING)...2025
DISASSEMBLY AND ASSEMBLY...2025
BOOM CYLINDER (BACK HOE)...2027
REMOVAL AND INSTALLATION...2027
ARM CYLINDER (BACK HOE)...2029
REMOVAL AND INSTALLATION...2029
BUCKET CYLINDER (BACK HOE)...2031
REMOVAL AND INSTALLATION...2031
BOOM CYLINDER (LOADING SHOVEL)...2033
REMOVAL AND INSTALLATION...2033
ARM CYLINDER (LOADING SHOVEL)...2035
REMOVAL AND INSTALLATION...2035
BUCKET CYLINDER (LOADING SHOVEL)...2037
REMOVAL AND INSTALLATION...2037
BOTTOM DUMP CYLINDER (LOADING SHOVEL)...2039
REMOVAL AND INSTALLATION...2039
HYDRAULIC CYLINDER...2041
DISASSEMBLY...2041
ASSEMBLY...2045
BUCKET (BACK HOE)...2049
REMOVAL AND INSTALLATION...2049
ARM (BACK HOE)...2051
REMOVAL AND INSTALLATION...2051
BOOM (BACK HOE)...2053
REMOVAL AND INSTALLATION...2053
BUCKET AND ARM (BACK HOE)...2055
REMOVAL AND INSTALLATION...2055
WORK EQUIPMENT (BACK HOE)...2057
REMOVAL AND INSTALLATION...2057
BUCKET (LOADING SHOVEL)...2059
REMOVAL AND INSTALLATION...2059
ARM (LOADING SHOVEL)...2061
REMOVAL AND INSTALLATION...2061
BOOM (LOADING SHOVEL)...2063
REMOVAL AND INSTALLATION...2063
WORK EQUIPMENT (LOADING SHOVEL)...2065
REMOVAL AND INSTALLATION...2065
POTENTIOMETER (LOADING SHOVEL)...2067
DISASSEMBLY AND ASSEMBLY...2067
COUNTERWEIGHT ...2067
REMOVAL AND INSTALLATION...2067
64 MAINTENANCE STANDARD...2069
CHARGING AND PTO LUBRICATION PUMP...2070
PILOT RELIEF VALVE...2071
L.H. 5-SPOOL CONTROL VALVE...2072
R.H. 4-SPOOL CONTROL VALVE...2074
PPC VALVE...2076
PPC SHUTTLE VALVE...2077
HYDRAULIC CYLINDER...2078
WORK EQUIPMENT...2082
80 ELECTRIC AND ELECTRONIC SYSTEM...2086
81 STRUCTURE AND FUNCTION...2086
ELECTRICAL WIRING DIAGRAM...2087
ELECTRICAL CIRCUIT DIAGRAM...2089
ELECTRONIC COMPONENTS OF 3-STAGE MODE SELECTOR OLSS...2093
ELECTRONIC COMPONENTS OF AUTOMATIC WORK EQUIPMENT CONTROL SYSTEM...2098
EVMS...2102
82 TESTING AND ADJUSTING...2110
ELECTRICAL CIRCUIT DIAGRAM...2111
POSITION OF CONNECTORS FOR TROUBLESHOOTING ...2113
M MODE TROUBLESHOOTING...2123
SERIAL NO: 10501-10599...2125
M-1 WHEN STARTING SWITCH IS TURNED ON, MONITOR PANEL DISPLAY DOES NOT APPEAR...2125
a) NO DISPLAY APPEARS ON MONITOR PANEL (GAUGES AND MONITOR ITEMS)...2125
b) DISPLAY OF EITHER GAUGES OR MONITOR ITEMS DOES NOT APPEAR ON MONITOR PANEL...2125
c) DISPLAY DOES NOT APPEAR ON PART OF MONITOR PANEL ASSEMBLY...2126
M-2 WHEN STARTING SWITCH IS TURNED ON, MONITOR PANEL DOES NOT GO OUT...2126
M-3 WHEN STARTING SWITCH IS TURNED ON (DO NOT START ENGINE), CHECK BEFORE STARTING ITEM FLASH OR PREHEATING ITEM LIGHTS UP...2127
a) (COOLANT LEVEL) FLASHES...2127
b) (ENGINE OIL LEVEL) FLASHES...2127
c) (HYDRAULIC OIL LEVEL) FLASHES...2128
d) (HEATER SIGNAL) FLASHES...2128
M-4 WHEN STARTING SWITCH IS TURNED ON (ENGINE STARTED), CHECK BEFORE STARTING ITEMS FLASH...2130
a) ALTERNATOR SYSTEM...2130
b) ENGINE OIL PRESSURE SYSTEM...2130
M-5 WHEN STARTING SWITCH IS TURNED ON, (DO NOT START ENGINE), CAUTION ITEMS FLASH...2132
M-6 WHEN STARTING SWITCH IS ON (ENGINE STARTED), CAUTION ITEMS FLASH...2133
a) (ENGINE OIL PRESSURE) FLASHES...2133
b) (COOLANT LEVEL) FLASHES...2133
c) (COOLANT TEMPERATURE GAUGE) FLASHES...2134
d) (CHARGE LEVEL) FLASHES...2134
e) (HYDRAULIC OIL FILTER) FLASHES...2135
f) (HYDRAULIC OIL TEMPERATURE) FLASHES...2136
M-7 WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED) FOR 2 SECONDS, OR WHEN CAUTION ITEMS ARE FLASHING, WARNING BUZZER DOES NOT SOUND...2139
M-8 NO ABNORMAL DISPLAY ON MONITOR BUT WARNING BUZZER SOUNDS...2141
M-9 MONITOR PANEL LAMPS DO NOT LIGHT UP (INDICATION ON MONITOR PANEL IS CORRECT)...2142
a) NO LAMPS ON PANEL LIGHT UP...2142
b) SOME LAMPS ON PANEL DO NOT LIGHT UP...2143
M-10 WHEN ENGINE IS STARTED, SERVICE METER DOES NOT MOVE WHEN ENGINE IS STOPPED, SERVICE METER MOVES...2145
a) SERVICE METER DOES NOT MOVE...2145
b) SERVICE METER DOES NOT STOP MOVING ...2146
M-11 ENGINE COOLANT TEMPERATURE IS HIGH, BUT LOWEST LEVEL DISPLAYED...2147
M-12 ENGINE COOLANT TEMPERATURE GAUGE GIVES NO DISPLAY...2147
M-13 FUEL TANK IS NOT FULL BUT DISPLAY SHOWS FULL TANK...2149
M-14 NO DISPLAY IS GIVEN FOR FUEL LEVEL...2149
SERIAL NO: 10600 AND UP...2151
M-1 WHEN STARTING SWITCH IS TURNED ON, MONITOR PANEL DISPLAY DOES NOT APPEAR...2151
a) NO DISPLAY APPEARS ON MONITOR PANEL (GAUGE AND MONITOR ITEMS)...2151
b) DISPLAY DOES NOT APPEAR ON PART OF MONITOR PANEL ASSEMBLY...2151
M-2 WHEN STARTING SWITCH IS TURNED ON, MONITOR PANEL DOES NOT GO OUT...2151
M-3 WHEN STARTING SWITCH IS TURNED ON (DO NOT START ENGINE), CHECK BEFORE STARTING ITEM FLASH OR PREHEATING ITEM LIGHTS UP (FLUID LEVEL OF CHECK BEFORE STARTING ITEMS ARE CORRECT)...2152
a) (COOLANT LEVEL) FLASHES...2152
b) (ENGINE OIL LEVEL) FLASHES...2152
c) (HYDRAULIC OIL LEVEL) FLASHES...2153
M-4 WHEN STARTING SWITCH IS TURNED ON (ENGINE STARTED), CHECK BEFORE STARTING ITEMS FLASH...2155
a) ALTERNATOR SYSTEM...2155
b) ENGINE OIL PRESSURE SYSTEM...2155
M-5 WHEN STARTING SWITCH IS TURNED ON, (DO NOT START ENGINE), CAUTION ITEMS FLASH...2157
M-6 WHEN STARTING SWITCH IS ON (ENGINE STARTED), CAUTION ITEMS FLASH...2158
a) (ENGINE OIL PRESSURE) FLASHES...2158
b) (COOLANT LEVEL) FLASHES...2158
c) (COOLANT TEMPERATURE GAUGE) FLASHES...2159
d) (CHARGE LEVEL) FLASHES...2159
e) (HYDRAULIC OIL FILTER) FLASHES...2160
f) (HYDRAULIC OIL TEMPERATURE) FLASHES...2160
M-7 WHEN STARTING SWITCH IS TURNED ON (ENGINE STOPPED) FOR 1 SECOND, OR WHEN CAUTION ITEMS ARE FLASHING, WARNING BUZZER DOES NOT SOUND...2163
M-8 NO ABNORMAL DISPLAY ON MONITOR BUT WARNING BUZZER SOUNDS...2163
M-9 MONITOR PANEL LAMPS DO NOT LIGHT UP (INDICATION ON MONITOR PANEL IS CORRECT)...2165
M-10 WHEN ENGINE IS STARTED, SERVICE METER DOES NOT MOVE WHEN ENGINE IS STOPPED, SERVICE METER MOVES...2166
a) SERVICE METER DOES NOT MOVE, WHEN ENGINE IS STARTED...2166
b) SERVICE METER DOES NOT STOP MOVING, WHEN ENGINE IS STOPPED...2166
M-11 ENGINE COOLANT TEMPERATURE IS HIGH, BUT LOWEST LEVEL DISPLAYED...2168
M-12 ENGINE COOLANT TEMPERATURE GAUGE GIVES NO DISPLAY...2168
M-13 FUEL TANK IS NOT FULL BUT DISPLAY SHOWS FULL TANK...2170
M-14 NO DISPLAY IS GIVEN FOR FUEL LEVEL...2170
SEBM0209A04 - Hydraulic Excavator PC650-1 Shop Manual...2172
Komatsu Hydraulic Excavators PC650, PC650LC, PC650SE, PC710 Repair Service Manuals
