Complete service repair manual with Electrical Wiring Diagrams for Komatsu Motor Graders GD705, GD705A, with all the technical information to maintain, diagnose, repair, rebuild like professional mechanics.
Komatsu Motor Graders GD705, GD705A 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.
SEAM234Y01 – Motor Grader GD705A-3 Operation & Maintenance Manual.pdf
SEAM036701 – Motor Grader GD705A-4 Operation & Maintenance Manual.pdf
SEBM022104 – Motor Grader GD705A-4 Shop Manual.pdf
SEN06489-03 – Motor Grader GD705-5 Shop Manual.pdf
Total Pages: 1,543 pages
File Format: PDF
Language: English
TABLE OF CONTENTS
SEAM036701 – Motor Grader GD705A-4 Operation & Maintenance Manual…2
COVER…2
FOREWORD…3
FOREWORD…4
SAFETY INFORMATION…7
INTRODUCTION…9
INTENDED USE…9
DIRECTIONS OF MACHINE…9
LOCATION OF PLATES,TABLE TO ENTER SERIAL NO.AND DISTRIBUTOR…10
MACHINE SERIAL NO.PLATE POSITION…10
ENGINE SERIAL NO.PLATE POSITION…10
SERVICE METER POSITION…11
TABLE TO ENTER SERIAL NO.AND DISTRIBUTOR…11
CONTENTS…12
SAFETY…15
SAFETY LABELS…16
POSITION FOR ATTACHING SAFETY LABELS…16
SAFETY LABELS…17
GENERAL PRECAUTIONS…21
PRECAUTIONS DURING OPERATION…30
BEFORE STARTING ENGINE…30
AFTER STARTING ENGINE…32
TRANSPORTATION…37
BATTERY…38
TOWING…40
PRECAUTIONS FOR MAINTENANCE…41
BEFORE CARRYING OUT MAINTENANCE…41
DURING MAINTENANCE…43
PRECAUTIONS WITH TIRES…48
OPERATION…49
GENERAL VIEW…50
GENERAL VIEW OF MACHINE…50
GENERAL VIEW OF CONTROLS AND GAUGES…51
EXPLANATION OF COMPONENTS…53
METERS AND LAMPS…53
SWITCHES…57
CONTROL LEVERS,PEDALS…62
DUST INDICATOR…70
ARTICULATE LOCK PIN…70
FUSE BOX…70
OPERATION…72
CHECK BEFORE STARTING ENGINE…72
STARTING ENGINE…86
OPERATIONS,CHECKS AFTER STARTING ENGINE…90
STOPPING ENGINE…92
CHECK AFTER STOPPING ENGINE…93
TRAVELING POSTURE FOR MACHINE…93
MOVING MACHINE OFF(FORWARD,REVRESE,SHIFTING GEAR),STOPPING…94
TURNING MACHINE…100
OPERATING WORK EQUIPMENT…103
WORK WHICH CAN BE CARRIED OUT USING A MOTOR GRADER…107
PRECAUTIONS WHEN OPERATION…127
ADJUSTING WORK EQUIPMENT POSTURE…130
PARKING MACHINE…137
CHECKS AFTER COMPLETION OF OPERATION…139
LOCKING(IF EQUIPPED WITH CAB)…139
HANDLING THE TIRES…139
TRANSPORTATION…140
LOADING, UNLOADING WORK…140
PRECAUTIONS FOR LOADING…140
COLD WEATHER OPERATION…141
PRECAUTIONS FOR LOW TEMPERATURE…141
CAUTIONS AFTER COMPLETION OF WORK…143
AFTER COLD WEATHER…143
LONG-TERM STORAGE…144
BEFORE STORAGE…144
DURING STORAGE…144
AFTER STORAGE…144
TROUBLESHOOTING…145
AFTER RUNNING OUT OF FUEL…145
WHEN LEANING PIPING IS DAMAGED…146
TOWING THE MACHINE…147
IF BATTERY IS DISCHARGED…149
OTHER TROUBLE…153
MAINTENANCE…158
GUIDE TO MAINTENANCE…159
OUTLINES OF SERVICE…161
OUTLINE OF OIL, FUEL, COOLANT…161
RELATING TO ELECTRIC SYSTEM…163
WEAR PARTS LIST…164
USE OF FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE…165
PROPER SELECTION OF FUEL, COOLANT AND LUBRICANTS…165
STANDARD TIGHTENING TORQUES FOR BOLTS AND NUTS…169
TORQUE LIST…169
PERIODIC REPLACEMENT OF CRITICAL PARTS…170
CRITICAL PARTS…170
MAINTENANCE SCHEDULE CHART…171
MAINTENANCE SCHEDULE CHART…171
SERVICE PROCEDURE…174
INITIAL 250 HOURS SERVICE…174
WHEN REQUIRED…175
CLEAN INSIDE OF COOLING SYSTEM…175
CHECK,CLEAN AND REPLACE AIR CLEANER ELEMENT…178
CHECK ELECTRICAL INTAKE AIR HEATER…180
REPLACE THE CUTTING EDGES,REVERSE AND REPLACE END BIT…180
CHECK INCHING PEDAL…180
CHECK DISC BRAKE…181
SELECTION AND INSPECTION OF TIRES…183
CHECK BEFORE STARTING…185
EVERY 50 HOURS SERVICE…186
LUBRICATING…186
EVERY 250 HOURS SERVICE…187
LUBRICATING…187
CHANGE OIL IN ENGINE OIL PAN, REPLACE ENGINE OIL FILTER CARTRIDGE…190
CHECK OIL LEVEL IN TRANSMISSION CASE, ADD OIL…192
CHECK OIL LEVEL IN FINAL DRIVE CASE, ADD OIL…193
CHECK OIL LEVEL IN TANDEM DRIVE CASE, ADD OIL…194
CHECK OIL LEVEL IN CIRCLE REVERSE GEAR CASE,ADD OIL…194
CHECK OIL LEVEL IN HYDRAULIC TANK,ADD OIL…195
CHECK LEVEL OF BATTERY ELECTROLYTE…196
CHECK BALL JOINT CLEARANCE,ADJUST…196
CHECK AND TIGHTEN WHEEL HUB NUT AND HUB BOLT…197
CHECK PARKING BRAKE LEVER STROKE,ADJUST…198
CHECKING WHEEL RIM,LOCK RING AND SIDE RING FOR CORROSION AND WEAR…199
CHECK FAN BELT TENSION,ADJUST…199
EVERY 500 HOURS SERVICE…200
REPLACE FUEL FILTER CARTRIDGE…200
REPLACE TRANSMISSION OIL FILTER ELEMENT…201
CLEAN,CHECK RADIATOR FINS…201
CHECK CIRCLE GUIDE CLEARANCE,ADJUST…202
EVERY 1000 HOURS SERVICE…204
GREASE DRIVE SHAFT…204
CHANGE OIL IN TRANSMISSION CASE,CLEAN STRAINER…205
CHANGE OIL IN FINAL DRIVE CASE…206
CHANGE OIL IN CIRCLE REVERSE GEAR CASE…207
CHANGE OIL PIN HYDRAULIC TANK,REPLACE FILTER ELEMENT AND CLEAN STRAINER…208
CHECK LOOSENESS IN DRAWBAR FRONT BALL JOINT…209
CHECK TOE-IN,ADJUST…210
REPLACE CORROSION RESISTOR CARTRIDGE…211
CHECK FRONT WHEEL BEARING PLAY,ADJUST…211
CHECK ALL TIGHTENING PARTS OF TURBOCHARGER…211
CHECK PLAY OF TURBOCHARGER ROTOR…211
EVERY 2000 HOURS SERVICE…212
CHANGE OIL IN FRONT WHEEL BEARING…212
CHANGE OIL IN TANDEM DRIVE CASE…212
CHECK ALTERNATOR,STARTING MOTOR…212
CHECK ENGINE VALVE CLEARANCE,ADJUST…212
CHECK VIBRATION DAMPER…212
CLEAN,CHECK TURBOCHARGER…213
CLEAN ENGINE BREATHER ELEMENT…213
EVERY 4000 HOURS SERVICE…214
CHECK WATER PUMP…214
SPECIFICATIONS…215
SPECIFICATIONS…216
OPTIONS,ATTACHMENTS…217
HANDLING BLADE ACCUMULATOR…218
FEATURES OF BLADE ACCUMULATOR…218
METHOD OF OPERATING BLADE ACCUMULATOR…219
INDEX…220
SEAM234Y01 – Motor Grader GD705A-3 Operation & Maintenance Manual…223
COVER…223
FOREWORD…224
BREAKING IN YOUR NEW MACHINE…225
CONTENTS…226
SAFETY HINTS…227
GENERAL LOCATIONS…239
OPERATOR'S COMPARTMENT…241
INSTRUMENTS AND CONTROLS…243
CHECK BEFORE STARTING…262
OPERATING YOUR MACHINE…270
COLD WEATHER OPERATION…281
WORKS TO BE CARRIED OUT BY A MOTOR GRADER…286
OPERATING OF WORK EQUIPMENT…291
REVERSING AND REPLACEMENT OF CUTTING EDGE AND END BIT…304
CHANGING TIRES…306
DRIVING ALONG ROAD…308
HANDLING OF BATTERY…309
TRANSPORTATION…312
MAINTENANCE…314
PERIODIC MAINTENANCE…315
PRECAUTIONS FOR MAINTENANCE…316
MAINTENANCE TABLE…323
EVERY 50 HOURS SERVICE…331
INITIAL 250 HOURS SERVICE…332
EVERY 250 HOURS SERVICE…332
EVERY 500 HOURS SERVICE…344
EVERY 1000 HOURS SERVICE…348
EVERY 2000 HOURS SERVICE…357
EVERY 4000 HOURS SERVICE…361
WHEN REQUIRED…362
ADJUSTMENT…368
TROUBLE SHOOTING GUIDE…369
WEAR PARTS…373
STORAGE…374
SERVICE METER…376
MACHINE AND ENGINE SERIAL NUMBERS…377
SPECIFICATIONS…378
FUEL AND LUBRICANTS…380
SEBM022104 – Motor Grader GD705A-4 Shop Manual…383
COVER…383
CONTENTS…384
SAFETY…387
SAFETY NOTICE…387
GENERAL PRECAUTIONS…387
PRECAUTIONS FOR WORK…387
PRECAUTIONS DURING WORK…388
FOREWARD…389
GENERAL…389
HOW TO READ THE SHOP MANUAL…390
VOLUMES…390
DISTRIBUTION AND UPDATING…390
FILING METHOD…390
REVISED EDITION MARK…390
REVISIONS…390
SYMBOLS…390
HOISTING INSTRUCTIONS…391
HOISTING…391
WIRE ROPES…391
METHOD OF DISASSEMBLING, CONNECTING PUSH-PULL TYPE COUPLER…392
COATING MATERIALS…394
STANDARD TIGHTENING TORQUE…396
STANDARD TIGHTENING TORQUE OF BOLTS AND NUTS…396
TIGHTENING TORQUE OF HOSE NUTS…397
TIGHTENING TORQUE OF SPLIT FLANGE BOLTS…397
TIGHTENING TORQUE FOR FLARED NUTS…397
TIGHTENING TORQUE FOR 102 ENGINE SERIES (BOLTS AND NUTS)…398
TIGHTENING TORQUE FOR 102 ENGINE SERIES (EYE JOINTS)…398
TIGHTENED TORQUE FOR 102 ENGINE SERIES (TAPERED SCREWS)…398
ELECTRIC WIRE CODE…399
CLASSIFICATION BY THICKNESS…399
CLASSIFICATION BY COLOR AND CODE…399
CONVERSION TABLES…400
METHOD OF USING THE CONVERSION TABLE…400
UNITS…406
01 GENERAL…407
GENERAL ASSEMBLY DRAWING…408
SPECIFICATIONS…409
WEIGHT TABLE…411
LIST OF LUBRICANT AND WATER…412
10 STRUCTURE, FUNCTION AND MAINTENANCE STANDARD…414
ENGINE MOUNTING…415
RADIATOR…416
FUEL TANK PIPING…417
ACCELERATOR CONTROL…418
POWER TRAIN…419
DAMPER…421
PTO (POWER TAKE OFF)…422
HYDROSHIFT TRANSMISSION…424
HYDROSHIFT TRANSMISSION CONTROL VALVE…435
HYDROSHIFT TRANSMISSION PIPING…450
LUBRICATION RELIEF VALVE…451
TRANSMISSION PUMP…452
TRANSMISSION CONTROL…455
DRIVE SHAFT…457
FINAL DRIVE…458
TANDEM DRIVE…463
STEERING PIPING…467
STEERING WHEEL…471
STEERING VALVE (ORBIT ROLL TYPE)…472
STEERING SYSTEM…473
STEERING PUMP…481
STEERING CYLINDER…484
FRONT AXLE…486
WHEEL…492
BRAKE PIPING…494
DISC BRAKE SYSTEM…496
BRAKE VALVE…500
RELAY VALVE…504
AIR GOVERNOR…506
CHECK VALVE…508
AIR RESERVOIR…509
SAFETY VALVE…509
PRESSURE SWITCH…510
AUTOMATIC DRAIN VALVE…512
AIR DRIER…514
AIR COMPRESSOR…516
PARKING BRAKE…517
PARKING BRAKE CONTROL…520
HYDRAULIC PIPING…522
MAIN CONTROL VALVE…527
PILOT CHECK VALVE…531
DDV (DUAL DEMAND VALVE)…539
FLOW DIVIDER VALVE…557
HYDRAULIC PUMP…558
CIRCLE ROTATION MOTOR…561
HYDRAULIC CYLINDER…564
WORK EQUIPMENT CONTROL…574
WORK EQUIPMENT…576
20 TESTING AND ADJUSTING…595
STANDARD VALUE TABLE FOR ENGINE…596
STANDARD VALUE TABLE FOR CHASSIS…597
TESTING AND ADJUSTING…600
TESTING AND ADJUSTING TOOL LIST (FOR ENGINE)…601
TESTING AND ADJUSTING VALVE CLEARANCE…602
MEASURING COMPRESSION PRESSURE…603
MEASURING BLOW-BY…604
TESTING AND ADJUSTING FAN BELT TENSION…605
TESTING AND ADJUSTING FUEL INJECTION TIMING…606
INCHING PEDAL STROKE AND OPERTING FORCE…608
HYDROSHIFT TRANSMISSION…609
TRANSMISSION CONTROL LEVER STROKE AND OPERATING FORCE…611
ADJUSTING F/R CONTROL CABLE…612
ADJUSTING TRANSMISSION CONTROL LINKAGE…613
STEERING WHEEL…615
CHECKING TIRE PLAY…616
CHECKING TIRE AIR PRESSURE…616
CHECKING TOE-IN…617
CHECKING PARKING BRAKE LEVER STROKE AND OPERATING FORCE…619
CHECKING WEAR OF BRAKE DISC…620
CHECKING HYDRAULIC OIL PRESSURE…621
CHECKING HYDRAULIC OIL TEMPERATURE…622
WORK EQUIPMENT CONTROL LEVER STROKE AND OPERATING FORCE…623
HYDRAULIC DRIFT OF BLADE…623
MEASURING BLADE SINKING AMOUNT…623
TROUBLESHOOTING…624
POINTS TO REMEMBER WHEN TROUBLESHOOTING…625
SEQUENCE OF EVENTS IN TROUBLESHOOTING…626
POINTS TO REMEMBER WHEN CARRYING OUT MAINTENANCE…627
CHECKS BEFORE TROUBLESHOOTING…635
CONNECTOR TYPES AND MOUNTING LOCATIONS…636
CONNECTOR TABLE FOR CONNECTOR PIN NUMBERS…639
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE)…643
E-1 ENGINE DOES NOT START…644
E-2 ELECTRIC SYSTEM DOES NOT WORK…647
E-3 SERVICE METER DOES NOT WORK…648
E-4 WATER TEMPERATURE GUAGE INDICATES ABNORMALLY HIGH TEMPERATURE…649
E-5 WATER TEMPERATURE GUAGE DOES NOT WORK…649
E-6 FUEL GUAGE ALWAYS INDICATES FULL…650
E-7 FUEL GUAGE DOES NOT WORK…650
E-8 ENGINE OIL PRESSURE GUAGE INDICATES ABNORMALLY HIGH PRESSURE…651
E-9 ENGINE OIL PRESSURE GUAGE DOES NOT WORK…651
30 DISASSEMBLY AND ASSEMBLY…652
ALTERNATOR ASSEMBLY…654
REMOVAL AND INSTALLATION…654
STARTING MOTOR AND ASSEMBLY…655
REMOVAL AND INSTALLATION…655
OIL COOLER ASSMBLY…655
REMOVAL AND INSTALLATION…655
HYDROSHIFT TRANSMISSION OIL COOLER ASSEMBLY…656
REMOVAL AND INSTALLATION…656
WATER PUMP ASSEMBLY…657
REMOVAL AND INSTALLATION…657
FUEL INJECTION PUMP ASSEMBLY…658
REMOVAL AND INSTALLATION…658
AIR COMPRESSOR ASSEMBLY…659
REMOVAL AND INSTALLATION…659
TURBOCHARGER ASSEMBLY…660
REMOVAL AND INSTALLATION…660
NOZZLE HOLDER ASSEMBLY…661
REMOVAL AND INSTALLATION…661
CYLINDER HEAD ASSEMBLY…663
REMOVAL…663
INSTALLATION…669
RADIATOR ASSEMBLY…675
REMOVAL…675
INSTALLATION…677
FUEL TANK ASSEMBLY (INC. HYDRAULIC TANK)…679
REMOVAL…679
INSTALLATION…681
ENGINE ASSEMBLY (INC. TRANSMISSION)…683
REMOVAL…683
INSTALLATION…688
HYDROSHIFT TRANSMISSION ASSEMBLY…695
DISASSEMBLY…695
ASSEMBLY…705
CAGE AND REVERSE CARRIER ASSEMBLY…716
DISASSEMBLY AND ASSEMBLY…716
1ST SPEED AND 2ND SPEED CARRIER ASSEMBLY…717
DISASSEMBLY…717
ASSEMBLY…718
HIGH REVOLUTION CLUTCH ASSEMBLY…719
DISASSEMBLY…719
ASSEMBLY…720
PLANETARY GEAR…721
DISASSEMBLY AND ASSEMBLY…721
HYDROSHIFT TRANSMISSION PUMP ASSEMBLY…722
REMOVAL AND INSTALLATION…722
TANDEM AND FINAL DRIVE ASSEMBLY…723
REMOVAL…723
INSTALLATION…724
FINAL DRIVE ASSEMBLY…725
DISASSEMBLY…725
ASSEMBLY…731
BEVEL GEAR ASSEMBLY…739
DISASSEMBLY…739
ASSEMBLY…742
BEVEL PINION ASSEMBLY…745
REMOVAL…745
INSTALLATION…746
DISASSEMBLY…748
ASSEMBLY…749
SPROCKET ASSEMBLY…751
REMOVAL…751
INSTALLATION…753
CHAIN…755
REMOVAL…755
INSTALLATION…757
FRONT AXLE ASSEMBLY…759
REMOVAL…759
INSTALLATION…761
STEERING PUMP ASSEMBLY…763
REMOVAL AND INSTALLATION…763
STEERING CYLINDER ASSEMBLY…764
REMOVAL AND INSTALLATION…764
WHEEL BRAKE ASSEMBLY…765
DISASSEMBLY…765
ASSEMBLY…767
HYDRAULIC TANK…769
REMOVAL AND INSTALLATION…769
HYDRAULIC PUMP ASSEMBLY…770
REMOVAL AND INSTALLATION…770
HYDRAULIC CONTROL VALVE ASSEMBLY…771
REMOVAL…771
INSTALLATION…772
BLADE LIFT CYLINDER ASSEMBLY…773
REMOVAL AND INSTALLATION…773
DRAWBAR SHIFT CYLINDER ASSEMBLY…774
REMOVAL AND INSTALLATION…774
BLADE SIDE SHIFT CYLINDER ASSEMBLY…775
REMOVAL…775
INSTALLATION…776
LEANING CYLINDER ASSEMBLY…777
REMOVAL AND INSTALLATION…777
ARTICULATE CYLINDER ASSEMBLY…778
REMOVAL AND INSTALLATION…778
POWER TILT CYLINDER ASSEMBLY…779
REMOVAL AND INSTALLATION…779
HYDRAULIC CYLINDER ASSEMBLY…780
DISASSEMBLY…780
ASSEMBLY…783
BLADE ASSEMBLY…790
REMOVAL AND INSTALLATION…790
CIRCLE ROTATION GEAR AND HYDRAULIC MOTOR ASSEMBLY…791
REMOVAL AND INSTALLATION…791
DISASSEMBLY…792
ASSEMBLY…794
90 OTHERS…798
HYDRAULIC CIRCUIT DIAGRAM (STD SPEC.)…799
HYDRAULIC CIRCUIT DIAGRAM (DDV SPEC.)…801
HYDROSHIFT TRANSMISSION CONTROL CIRCUIT DIAGRAM…803
ELECTRICAL CIRCUIT DIAGRAM (1/2)…804
ELECTRICAL CIRCUIT DIAGRAM (2/2)…806
ELECTRICAL CIRCUIT DIAGRAM FOR AIR CONDITIONER…808
ELECTRICAL CIRCUIT DIAGRAM FOR CAB…810
SEN06489-03 – Motor Grader GD705-5 Shop Manual…812
Cover…812
Notice of revision…814
00 Index and foreword…822
Foreword and general information…834
Safety notice…834
How to read the shop manual…839
Explanation of terms for maintenance standard…841
Handling of electric equipment and hydraulic components…843
Handling of connectors newly used for engines…852
How to read electric wire code…855
Precautions when carrying out work…858
Method of disassembling and connecting push-pull type coupler…861
Standard tightening torque table…864
List of Abbreviation…868
Conversion table…872
01 Specification…878
Specification drawing…880
Specifications…882
Weight table…888
Table of fuel, coolant and lubricants…889
10 Structure and function…892
Engine and cooling system…895
Cooling system…895
Cooling fan motor…897
Power train system…904
Power train system drawing…904
Power train piping drawing…905
Transmission control…906
Torque converter…907
Transmission…911
Transmission control valve…931
ECMV…933
Main relief and torque converter relief valve…940
Front axle…942
Final drive…945
Differential…948
Differential lock solenoid valve…950
Tandem drive…951
Steering system…954
Steering piping diagram…954
Priority valve…955
Steering valve…961
Brake system…969
Brake hydraulic piping diagram…969
Brake valve…970
Slack adjuster…975
Accumulator (for brake)…977
Charge valve…978
Wheel brake…983
Parking brake and bank control valve…984
Parking brake…985
Undercarriage and frame…986
Frame…986
Tire…987
Hydraulic system…988
Hydraulic system…988
Work equipment hydraulic component layout…991
Work equipment control…994
Hydraulic tank…996
Main pump…997
Power train pump…1009
Control valve…1011
CLSS…1020
Functions and operation by valve…1023
Swivel joint…1033
Pilot check valve…1034
Separately installed safety valve…1038
Accumulator (for blade)…1039
Work equipment…1041
Circle and drawbar…1041
Blade…1043
Lifter…1045
Circle rotation motor…1047
Circle rotation gear…1049
Cab…1051
Cab…1051
Electrical system…1053
Machine monitor…1053
Automatic shift control system…1056
Transmission controller…1064
Engine controller…1067
KOMTRAX system…1070
Starting engine circuit…1075
Stopping engine circuit…1077
Preheating circuit…1078
Engine power mode select circuit…1079
Cooling fan control function…1080
Sensor…1084
20 Standard value table…1096
Standard value table…1098
Standard value table for engine…1098
Standard value table for machine…1100
Machine posture and procedure for measuring performance…1108
30 Testing and adjusting…1110
Related information on testing and adjusting…1113
Tools for testing and adjusting…1113
Sketch of tools for testing and adjusting…1116
Engine and cooling system…1117
Testing engine speed…1117
Testing boost pressure…1120
Testing exhaust gas temperature…1122
Testing exhaust gas color…1124
Testing and adjusting valve clearance…1126
Testing compression pressure…1129
Testing blowby pressure…1133
Testing engine oil pressure…1134
Handling equipment of fuel system devices…1135
Releasing remaining pressure from fuel system…1135
Testing fuel pressure…1136
Testing fuel return rate and leakage…1141
Bleeding air from fuel circuit…1144
Testing fuel circuit for leakage…1145
Handling cylinder cutout mode operation…1146
Handling no-injection cranking operation…1146
Testing muffler (main body) and stuck muffler for looseness and damage…1147
Testing muffler function…1147
Testing installed condition of cylinder heads and manifolds…1147
Testing of engine piping for damage and looseness…1147
Testing and adjusting air conditioner compressor belt tension…1148
Replacing alternator belt…1149
Power train…1150
Testing power train oil pressure…1150
Adjusting transmission speed sensor…1163
Retrieval of disabled machine due to transmission valve failure…1166
Flushing procedure for torque converter and transmission circuits…1169
Testing and adjusting toe-in…1171
Testing and adjusting differential lock oil pressure…1172
Steering system…1175
Testing and adjusting steering oil pressure…1175
Testing oil leakage of steering cylinder…1176
Bleeding air from steering circuit…1176
Brake system…1177
Testing and adjusting brake oil pressure…1177
Releasing remaining pressure from brake circuit…1181
Bleeding air from brake circuit…1182
Testing wear of wheel brake disc…1183
Testing and adjusting parking brake…1184
Parking brake emergency releasing procedure…1186
Procedure for charging brake accumulator with nitrogen gas…1187
Hydraulic system…1190
Testing and adjusting work equipment oil pressure…1190
Testing and adjusting pump LS differential pressure…1193
Testing lift arm lock cylinder circuit oil pressure…1195
Testing oil leakage of work equipment cylinder…1196
Bleeding air from work equipment circuit…1199
Testing cooling fan pump circuit oil pressure…1200
Work equipment system…1202
Adjusting drawbar ball joint clearance…1202
Testing and adjusting circle guide clearance…1203
Adjusting circle rotation gear…1205
Procedure for charging blade accumulator with nitrogen gas…1208
Electrical system…1209
Special functions of machine monitor…1209
KOMTRAX terminal start-up procedure (ORBCOMM)…1257
Lamp indication of KOMTRAX terminal (ORBCOMM)…1262
KOMTRAX terminal start-up procedure (GPRS)…1265
Lamp indication of KOMTRAX terminal (GPRS)…1268
Handling voltage circuit of engine controller…1271
Testing diodes…1272
Pm Clinic…1273
Pm Clinic service…1273
40 Troubleshooting…1280
General information on troubleshooting…1287
Points to remember when troubleshooting…1287
Sequence of events in troubleshooting…1288
Checks before troubleshooting…1289
Preparation work for troubleshooting of electrical system…1310
Classification and procedures for troubleshooting…1313
Failure codes table…1314
Failure and troubleshooting numbers…1321
Information in troubleshooting table…1323
Troubleshooting method for open circuit in wiring harness of pressure sensor system…1325
Connector list and layout…1327
Connection table for connector pin numbers…1341
T- branch box and T- branch adapter table…1377
Locations of fuses…1380
Troubleshooting by failure code…1382
Failure code [1500L0] TORQFLOW transmission: Double engagement…1382
Failure code [15G0MW] Transmission R clutch: Slip…1383
Failure code [15H0MW] Transmission FH clutch: Slip…1384
Failure code [15J0MW] Transmission FL clutch: Slip…1384
Failure code [15K0MW] Transmission 1st clutch: Slip…1385
Failure code [15L0MW] Transmission 2nd clutch: Slip…1386
Failure code [15M0MW] Transmission 3rd speed clutch: Slip…1387
Failure code [15N0MW] Transmission 4th clutch: Slip…1388
Failure code [15SBL1] ECMV R clutch: Fill signal is ON when command signal is OFF…1389
Failure code [15SBMA] ECMV R clutch: Malfunction…1391
Failure code [15SCL1] ECMV FH clutch: Fill signal is ON when command signal is OFF…1393
Failure code [15SCMA] ECMV FH clutch: Malfunction…1395
Failure code [15SDL1] ECMV FL clutch: Fill signal is ON when command signal is OFF…1397
Failure code [15SDMA] ECMV FL clutch: Malfunction…1399
Failure code [15SEL1] ECMV 1st clutch: Fill signal is ON when command signal is OFF…1401
Failure code [15SEMA] ECMV 1st clutch: Malfunction…1403
Failure code [15SFL1] ECMV 2nd clutch: Fill signal is ON when command signal is OFF…1405
Failure code [15SFMA] ECMV 2nd clutch: Malfunction…1407
Failure code [15SGL1] ECMV 3rd clutch: Fill signal is ON when command signal is OFF…1409
Failure code [15SGMA] ECMV 3rd clutch: Malfunction…1411
Failure code [15SHL1] ECMV 4th clutch: Fill signal is ON when command signal is OFF…1413
Failure code [15SHMA] ECMV 4th clutch: Malfunction…1415
Failure code [15SJMA] ECMV lockup clutch: Malfunction…1417
Failure code [15U0NT] Inching clutch: Overheating…1417
Failure code [2G42ZG] Front accumulater: Oil pressure drop…1418
Failure code [2G43ZG] Rear accumulater: Pressure drop…1418
Failure code [AA1ANX] Air cleaner: Clogging…1419
Failure code [AB00L6] Alternator; Engine start and stop signals are not matched…1421
Failure code [AB00MA] Alternator: Malfunction…1423
Failure code: [B@BAZG] Derating in speed due to engine oil pressure drop…1425
Failure code: [B@BCNS] Engine coolant overheat…1425
Failure code [B@BEBF] Water in fuel error…1426
Failure code: [B@CENS] Torque converter oil overheat…1427
Failure code: [B@CKNS] Differential case: Overheat…1429
Failure code: [B@HANS] Hydraulic oil: Overheating…1431
Failure code [CA111] Engine controller internal error…1433
Failure code [CA115] Engine Ne, Bkup speed sensor error…1434
Failure code [CA122] Charge pressure sensor high error…1435
Failure code [CA123] Charge pressure sensor low error…1437
Failure code [CA131] Throttle sensor high error…1439
Failure code [CA132] Throttle sensor low error…1441
Failure code [CA144] Coolant sensor high error…1443
Failure code [CA145] Coolant sensor low error…1445
Failure code [CA153] Charge temperature sensor high error…1447
Failure code [CA154] Charge temperature sensor low error…1449
Failure code [CA155] Speed derating error by high charge temperature…1451
Failure code [CA187] Sensor power supply 2 low error…1453
Failure code [CA221] Atmospheric pressure sensor high error…1455
Failure code [CA222] Atmospheric pressure sensor low error…1457
Failure code [CA227] Sensor power supply 2 high error…1459
Failure code [CA234] Engine overspeed…1459
Failure code [CA238] Ne speed sensor power supply error…1460
Failure code [CA271] IMV/IMA: Short circuit…1461
Failure code [CA272] IMV/IMA open circuit…1463
Failure code [CA281] Abnormal supply pump pressure balance…1465
Failure code [CA322] Injector #1 (L#1) open/short…1467
Failure code [CA323] Injector #5 (L#5) open/short…1469
Failure code [CA324] Injector #3 (L#3) open/short…1471
Failure code [CA325] Injector #6 (L#6) open/short…1473
Failure code [CA331] Injector #2 (L#2) open/short…1475
Failure code [CA332] Injector #4 (L#4) open/short…1477
Failure code [CA342] Data compatibility error in engine controller…1479
Failure code [CA351] Injector drive circuit error…1480
Failure code [CA352] Sensor power supply 1 low error…1481
Failure code [CA386] Sensor power supply 1 high error…1482
Failure code [CA428] Water-in-fuel sensor high error…1483
Failure code [CA429] Water-in-fuel sensor low error…1485
Failure code [CA431] Idle validation switch error…1487
Failure code [CA432] Idle validation action error…1491
Failure code [CA435] Engine oil pressure switch error…1494
Failure code [CA441] Power supply voltage low error…1495
Failure code [CA442] Power supply voltage high error…1497
Failure code [CA449] Common rail pressure high error 2…1498
Failure code [CA451] Common rail pressure sensor high error…1499
Failure code [CA452] Common rail pressure sensor low error…1501
Failure code [CA488] Torque derating error by high charge temperature…1503
Failure code [CA553] Common rail pressure high error 1…1504
Failure code [CA559] Rail Press Low Error…1505
Failure code [CA689] Eng Ne Speed Sensor Error…1507
Failure code [CA731] Eng Bkup Speed Sens Phase Error…1509
Failure code [CA757] All continuous data lost error…1510
Failure code [CA778] Eng Bkup Speed Sensor Error…1511
Failure code [CA1633] KOMNET (CAN communication) error…1514
Failure code [CA2185] Throttle sensor power supply high error…1515
Failure code [CA2186] Throttle sensor power supply low error…1517
Failure code [CA2249] Supply pump pressure low error 2…1519
Failure code [CA2265] Fuel Feed Pump Open Error…1521
Failure code [CA2266] Fuel Feed Pump Short Error…1523
Failure code [CA2311] Abnormality in IMV (IMA) solenoid…1524
Failure code [CA2555] Intake heater relay open circuit…1525
Failure code [CA2556] Intake heater relay short circuit…1527
Failure code [D160KA] Backup lamp relay: Open circuit, hot short circuit in wiring harness…1529
Failure code [D160KB] Backup lamp relay: Ground fault…1531
Failure code [D19KKZ] Differential lock relay: Open circuit, ground fault…1533
Failure code [D5ZHL6] C terminal signal: Signal does not match to actual engine state…1535
Failure code [DAFRKR] CAN communication failure (monitor panel)…1537
Failure code [DAQ0KK] Transmission controller: Power supply voltage low error (input)…1539
Failure code [DAQOKT] Transmission controller: Non-volatile memory error…1541
Failure code [DAQ2KK] Transmission controller load power line: Power supply voltage drop (input)…1543
Failure code [DAQ9KQ] Transmission controller model selection: Model selection signal disagreement…1545
Failure code [DAQRKR] Transmission controller CAN communication: Communication error…1547
Failure code [DAQRMA] Transmission controller option setting: Malfunction…1551
Failure code [DB2RKR] Engine controller CAN communication: Communication error…1552
Failure code [DD1PKB] RPM set switch power supply short circuit…1559
Failure code [DD1QKB] RPM set mode switch short circuit…1561
Failure code [DDB6L4] Transmission gearshift lever: Parking brake signal error…1563
Failure code [DDTHKA] Fill switch for FH clutch: Open circuit…1566
Failure code [DDTJKA] Fill switch for FL clutch: Open circuit…1566
Failure code [DDTKKA] Fill switch for 1st clutch: Open circuit…1567
Failure code [DDTLKA] Fill switch for 2nd clutch: Open circuit…1567
Failure code [DDTMKA] Fill switch for 3rd clutch: Open circuit…1568
Failure code [DDTNKA] Fill switch for R clutch: Open circuit…1569
Failure code [DDTPKA] Fill switch for 4th clutch: Open circuit…1570
Failure code [DF10KA] Transmission gearshift lever: No gear speed signal is input…1571
Failure code [DF10L4] Transmission gearshift lever: Gear speed/travel direction signal error…1575
Failure code [DGF1KX] Transmission oil temperature sensor: Input signal out of range…1577
Failure code [DGH2KB] Hydraulic oil temperature sensor: Ground fault…1579
Failure code [DGT1KX] Torque converter oil temperature sensor: Input signal out of range…1581
Failure code [DGT7KB] Differential oil temperature sensor: Ground fault…1583
Failure code [DHT5KX] Out of Range of T/C Input Pressure Sensor…1585
Failure code [DHT5L6] Failure of T/C Oil Press Sensor…1587
Failure code [DJF1KA] Fuel level sensor: Open circuit…1589
Failure code [DK70KX] Inching pedal angle sensor: Input signal out of range…1591
Failure code [DKD0KX] Articulation angle sensor: Input signal out of range…1593
Failure code [DLF1KA] Transmission input shaft speed sensor: Open circuit…1595
Failure code [DLF1LC] Transmission input shaft speed sensor: Speed signal does not match…1596
Failure code [DLF2KA] Transmission intermediate shaft speed sensor: Open circuit…1597
Failure code [DLF2LC] Transmission intermediate shaft speed sensor: Speed signal does not match…1598
Failure code [DLM3KA] Fan speed sensor: Open circuit…1599
Failure code [DLM3LC] Fan speed sensor: Short circuit…1600
Failure code [DLM3MB] Radiator Fan Control Mismatch…1601
Failure code [DLT3KA] Transmission output shaft speed sensor: Open circuit…1602
Failure code [DV00KB] Buzzer: Short circuit…1603
Failure code [DW4BKA] Parking brake solenoid valve: Open circuit…1605
Failure code [DW4BKB] Parking brake solenoid valve: Short circuit…1607
Failure code [DX16KA] Fan motor EPC solenoid: Open circuit…1608
Failure code [DX16KB] Fan motor EPC solenoid: Short circuit…1609
Failure code [DX16KY] Fan motor EPC solenoid: Short circuit to power supply line…1611
Failure code [DXH1KA] Lockup ECMV solenoid: Open circuit…1613
Failure code [DXH1KB] Lockup ECMV solenoid: Short circuit…1614
Failure code [DXH1KY] Lockup ECMV solenoid: Short circuit to power supply line…1615
Failure code [DXH2KA] FH clutch ECMV solenoid: Open circuit…1617
Failure code [DXH2KB] FH clutch ECMV solenoid: Short circuit…1618
Failure code [DXH2KY] FH clutch ECMV solenoid: Short circuit to power supply line…1619
Failure code [DXH3KA] FL clutch ECMV solenoid: Open circuit…1621
Failure code [DXH3KB] FL clutch ECMV solenoid: Short circuit…1622
Failure code [DXH3KY] FL clutch ECMV solenoid: Short circuit to power supply line…1623
Failure code [DXH4KA] 1st clutch ECMV solenoid: Open circuit…1625
Failure code [DXH4KB] 1st clutch ECMV solenoid: Short circuit…1626
Failure code [DXH4KY] 1st clutch ECMV solenoid: Short circuit to power supply line…1627
Failure code [DXH5KA] 2nd clutch ECMV solenoid: Open circuit…1629
Failure code [DXH5KB] 2nd clutch ECMV solenoid: Short circuit…1630
Failure code [DXH5KY] 2nd clutch ECMV solenoid: Short circuit to power supply line…1631
Failure code [DXH6KA] 3rd clutch ECMV solenoid: Open circuit…1633
Failure code [DXH6KB] 3rd clutch ECMV solenoid: Short circuit…1634
Failure code [DXH6KY] 3rd clutch ECMV solenoid: Short circuit to power supply line…1635
Failure code [DXH7KA] R clutch ECMV solenoid: Open circuit…1637
Failure code [DXH7KB] R clutch ECMV solenoid: Short circuit…1638
Failure code [DXH7KY] R clutch ECMV solenoid: Short circuit to power supply line…1639
Failure code [DXHHKA] 4th clutch ECMV solenoid: Open circuit…1641
Failure code [DXHHKB] 4th clutch ECMV solenoid: Short circuit…1642
Failure code [DXHHKY] 4th clutch ECMV solenoid: Short circuit to power supply line…1643
Troubleshooting of electrical system (E-mode)…1645
E-1 Engine does not start (Starting motor does not turn)…1645
E-2 Preheating does not work…1651
E-3 When starting switch is turned to ON position, machine monitor displays nothing…1656
E-4 When starting switch is turned to ON position, machine monitor does not reach standard screen…1659
E-5 When starting switch is turned to ON position, caution monitor flashes or lights up, or machine monitor does not display correct screen…1659
E-6 Emergency stop monitor lights up while engine is running…1660
E-7 Speedometer or engine tachometer does not indicate correctly…1664
E-8 Engine coolant temperature gauge does not indicate correctly…1665
E-9 Articulation angle indicator does not indicate correctly…1667
E-10 Torque converter oil temperature gauge does not indicate correctly…1669
E-11 Fuel level gauge does not indicate correctly…1671
E-12 Character display does not display correctly…1673
E-13 Centralized warning lamp does not light up or does not go off…1675
E-14 Alarm buzzer does not sound or does not stop sounding…1677
E-15 Machine monitor mode selector switch does not work…1679
E-16 Transmission mode does not switch…1683
E-17 Engine mode does not switch…1685
E-18 Differential lock function does not work or cannot be reset [for machine with differential lock specification]…1687
E-19 Lift arm lock pin does not lock lift arm or does not unlock it [for machine with lift arm specification]…1691
E-20 Blade accumulator function does not work or is not reset [for machine with blade accumulator specification]…1693
E-21 Horn does not sound or does not stop sounding…1697
E-22 Backup alarm does not sound or does not stop sounding…1699
E-23 Headlamp, clearance lamp and tail lamp do not light up or do not go off…1702
E-24 Working lamp does not light up or does not go off…1709
E-25 Fog lamp does not light up or does not go off…1715
E-26 Turn signal lamp and hazard lamp do not flash…1717
E-27 Stop lamp does not light up or does not go off…1723
E-28 Backup lamp does not light up or does not go off…1725
E-29 Windshield wiper does not operate…1727
E-30 Window washer does not operate…1735
E-31 KOMTRAX system does not operate correctly…1739
Troubleshooting for hydraulic and mechanical system (H-mode)…1743
Information described in troubleshooting table (H-mode)…1743
H-1 Engine speed drops significantly or engine stalls…1744
H-2 Machine does not move off (both forward and reverse)…1745
H-3 Gear speed does not shift…1746
H-4 Travel speed or power is low…1747
H-5 Torque converter lockup does not operate or is not canceled…1749
H-6 Machine starts or gear speed shifts with long time lag…1750
H-7 Torque converter oil temperature is high…1751
H-8 Differential lock function does not operate or is not canceled…1752
H-9 Steering speed or power is insufficient…1753
H-10 Steering wheel does not move…1754
H-11 Wheel brakes do not work or are weak…1755
H-12 Wheel brakes are not released or drag…1756
H-13 Parking brake does not work or it is weak…1757
H-14 Parking brake (including emergency release system) is not released or drags…1758
H-15 All work equipment operates slowly or lacks power…1759
H-16 All work equipments do not operate…1760
H-17 Unusual noise is heard from around hydraulic pump…1761
H-18 Blade lift speed or power is low…1762
H-19 Hydraulic drift of lifted blade is large…1763
H-20 Drawbar side shift speed or power is low…1764
H-21 Blade cross slide speed or power is low…1765
H-22 Power tilt speed or power is low…1766
H-23 Articulate speed or power is low…1767
H-24 Leaning speed or power is insufficient…1768
H-25 Hydraulic drift (tilting) of leaning is large…1769
H-26 Blade does not rotate…1770
H-27 Lift arm lock pin is not locked or is not canceled…1771
H-28 Blade accumulator does not operate or is not canceled [blade accumulator specifications]…1772
H-29 Fan rotation is abnormal (such as excessive noise or vibration of fan, or overheating)…1773
H-30 Unusual noise is heard from around fan…1774
Troubleshooting of engine (S-mode)…1776
Method of using troubleshooting charts…1776
S-1 Starting performance is poor…1779
S-2 Engine does not start…1780
S-3 Engine does not pick up smoothly…1783
S-4 Engine stops during operations…1784
S-5 Engine does not rotate smoothly…1785
S-6 Engine lacks output (or lacks power)…1786
S-7 Exhaust smoke is black (incomplete combustion)…1787
S-8 Oil consumption is excessive (or exhaust smoke is blue)…1788
S-9 Oil becomes contaminated quickly…1789
S-10 Fuel consumption is excessive…1790
S-11 Oil is in coolant (or coolant spurts back, or coolant level goes down)…1791
S-12 Oil pressure drops…1792
S-13 Oil level rises (water, fuel in oil)…1793
S-14 Coolant temperature becomes too high (overheating)…1794
S-15 Abnormal noise is made…1795
S-16 Vibration is excessive…1796
Shop Manual…1798
50 Disassembly and assembly…1798
Related information on disassembly and assembly…1801
How to read this manual…1801
Coating materials list…1803
Special tools list…1807
Sketches of special tools…1812
Engine and cooling system…1846
Removal and installation of fuel supply pump assembly…1846
Removal and installation of fuel injector assembly…1849
Removal and installation of cylinder head assembly…1858
Removal and installation of engine front oil seal assembly…1871
Removal and installation of engine rear oil seal assembly…1874
Removal and installation of cooling fan pump assembly…1879
Removal and installation of cooling fan and fan motor assembly…1881
Removal and installation of radiator assembly…1886
Removal and installation of aftercooler assembly…1890
Removal and installation of power train oil cooler assembly…1893
Removal and installation of fuel tank assembly…1896
Removal and installation of engine hood assembly…1900
Power train…1902
Removal and installation of engine and transmission assembly…1902
Disconnection and connection of transmission and torque converter assembly from/to engine…1910
Disassembly and assembly of transmission assembly…1912
Disassembly and assembly of torque converter assembly…1951
Removal and installation of tandem drive and final drive assembly…1963
Disassembly and assembly of tandem drive assembly…1967
Disassembly and assembly of final drive assembly…1973
Steering system…1992
Removal and installation of steering valve (Orbitrol) assembly…1992
Disassembly and assembly of steering valve (Orbitrol)…1998
Brake system…2009
Disassembly and assembly of wheel brake assembly…2009
Undercarriage and frame…2017
Removal and installation of center hinge pin…2017
Hydraulic system…2030
Removal and installation of hydraulic tank, battery and frame assembly…2030
Removal and installation of hydraulic tank assembly…2035
Removal and installation of control valve assembly…2038
Disassembly and assembly of control valve assembly…2044
Disassembly and assembly of hydraulic cylinder assembly…2047
Work equipment…2051
Removal and installation of blade assembly…2051
Disassembly and assembly of circle drawbar assembly…2053
Removal and installation of circle rotation gear assembly…2056
Disassembly and assembly of circle rotation gear assembly…2059
Removal and installation of ripper assembly…2066
Cab and its attachments…2067
Removal and installation of operator's cab assembly…2067
Removal and installation of floor frame assembly…2079
Removal and installation of operator's cab glass (adhered window glass)…2083
Removal and installation of air conditioner unit assembly…2093
Electrical system…2099
Removal and installation of engine controller assembly…2099
Removal and installation of starting motor…2101
Removal and installation of battery…2103
Removal and installation of machine monitor assembly…2105
Removal and installation of transmission controller assembly…2107
Removal and installation of KOMTRAX terminal assembly (ORBCOMM)…2109
Removal and installation of KOMTRAX terminal assembly (GPRS)…2111
60 Maintenance standard…2114
Engine and cooling system…2116
Engine mount and transmission mount…2116
Cooling system…2117
Cooling fan motor…2118
Power train system…2121
Torque converter…2121
Transmission…2124
Transmission control valve…2133
ECMV…2134
Main relief valve and torque converter relief valve…2136
Front axle…2137
Final drive…2140
Differential…2143
Tandem drive…2145
Brake system…2147
Slack adjuster…2147
Wheel brake…2148
Parking brake…2149
Undercarriage and frame…2150
Frame…2150
Hydraulic system…2151
Main pump…2151
Power train pump…2155
Control valve…2157
Hydraulic cylinder…2166
Work equipment…2169
Circle and drawbar…2169
Blade…2171
Lifter…2173
Circle rotation gear…2174
80 Appendix…2176
Air conditioner…2178
Precautions for refrigerant…2178
Air conditioner components…2179
Structure and function of refrigeration system…2181
Overview of refrigeration system…2182
Air conditioner unit…2183
Compressor…2186
Condenser…2187
Receiver drier…2188
Air conditioner control panel…2189
Procedure for check and troubleshooting…2191
Circuit diagram and layout of connector pins…2193
System diagram…2195
Detail of air conditioner unit…2197
Parts and connectors layout…2199
Testing air leakage (ducts)…2201
Check with self-diagnosis (control panel display)…2203
Testing temperature control…2204
Testing Fresh/Recirc air changeover…2205
Testing evaporator temperature sensor…2206
Testing relays…2207
Testing blower amp…2208
Troubleshooting Chart 1…2209
Troubleshooting Chart 2…2211
Information in troubleshooting table…2213
Troubleshooting for power supply system (Air conditioner does not operate)…2215
Troubleshooting of compressor and refrigerant system (Air is not cooled)…2217
Troubleshooting for blower motor system (Air does not come out or air flow is improper)…2221
Troubleshooting for temperature control…2223
Troubleshooting for FRESH/RECIRC air changeover…2225
Troubleshooting with gauge pressure…2227
Connection of service tool…2229
Precautions for disconnecting and connecting air conditioner piping…2231
Handling compressor oil…2233
90 Diagrams and drawings…2236
Hydraulic diagrams and drawings…2238
Symbols used in hydraulic circuit diagrams…2238
Hydraulic circuit diagram…2240
Electrical diagrams and drawings…2242
Symbols used in electric circuit diagrams…2242
Electrical circuit diagram…2246
Index…2255
Komatsu Motor Graders GD705, GD705A Workshop Service Repair Manuals