Komatsu WA470-5H WA480-5H Wheel Loader Shop Manual VEBM180101 PDF

Description

Komatsu WA470-5H WA480-5H Wheel Loader Shop Manual VEBM180101 – PDF DOWNLOAD

FILE DETAILS:

Komatsu WA470-5H WA480-5H Wheel Loader Shop Manual VEBM180101 – PDF DOWNLOAD 

Language : English
Pages : 1302
Downloadable : Yes
File Type : PDF

TABLE OF CONTENTS:

Komatsu WA470-5H WA480-5H Wheel Loader Shop Manual VEBM180101 – PDF DOWNLOAD 

MODEL             SERIAL NUMBER
WA470-5H      WA470H50051 AND UP
WA480-5H      WA480H50051 AND UP

WA470-5H / WA480-5H 1
CONTENTS 3
SAFETY 13
Safety 14
Safety notice 14
General precautions 14
Preparations for work 15
Precautions during work 15
General 17
General 17
Structure and Function 17
Testing, Adjusting and Troubleshooting 17
Disassembly and Assembly 17
Maintenance Standard 17
How to read the shop manual 18
Volumes 18
Filing method 18
Revised edition mark 18
Revisions 18
Symbols 19
Hoisting instructions 20
Hoisting 20
Coating materials 22
Standard tightening torque 24
Standard tightening torque of bolts and nuts 24
Tightening torque of hose nuts 25
Tightening torque of split flange bolts 25
Tightening torque for flared nuts 25
Tightening torque for 102 engine series (bolts and nuts) 26
Tightening torque for 102 engine series (eye joints) 26
Tightening torque for 102 engine series (tapered screws) 26
Electric wire code 27
Classification by thickness 27
Classification by color and code 27
Conversion tables 28
Method of using the conversion table 28
Temperature 33
Units 34
GENERAL 35
General assembly drawing 36
Specifications 37
Weight table 41
List of lubricant and coolant 43
STRUCTURE AND FUNCTION, MAINTENANCE STANDARD 45
Radiator, oil cooler 46
Engine mount, transmission mount 47
Power train 48
Power train system diagram 49
Without torque converter lock-up clutch 49
With torque converter lock-up clutch 50
Drive shaft (propeller shaft) 52
Torque converter, transmission piping 53
Torque converter 54
Without lock-up clutch 54
Path of power transmission 57
With lock-up clutch 58
Path of power transmission 62
Transmission 64
F-R clutch (without lock-up clutch) 71
F-R clutch (with lock-up clutch) 72
1st-4th clutch 73
2nd-3rd clutch 74
Operation of clutch 75
Forward 1st 76
Forward 2nd 77
Forward 3rd 78
Forward 4th 79
Reverse 1st 80
Transmission control valve 82
Without lock-up clutch 82
With lock-up clutch 84
ECMV (Electronic Control Modulation Valve) 86
ECMV for speed clutch 87
ECMV for lock-up clutch 90
Main relief, torque converter relief valve 92
Flow valve 94
Axle 96
Front axle – WA470-5 96
Front axle – WA480-5 97
Rear axle – WA470-5 98
Rear axle – WA480-5 99
Differential 100
Anti-slip differential 100
Operation of anti-slip differential 104
Front differential 106
Rear differential 108
Final drive 112
WA470-5 112
WA480-5 113
Axle mounting, center hinge pin 118
Steering piping 122
Steering column, orbit-roll 123
Steering valve 124
Overload relief valve 126
Function 126
Operation 126
Steering relief valve 128
Function 128
Operation of steering relief valve 129
Operation of demand valve 130
Flow AMP 133
Operation of steering valve 136
Orbit-roll valve 140
Connection between hand pump and sleeve 142
Stop valve 144
Steering pump, switch pump 146
Emergency steering pump (op) 148
Emergency steering motor (op) 149
Steering cylinder 150
Joystick steering lever (op) 152
Steering lever (op) 154
(For joystick steering lever) 154
Steering switch valve (op) 156
(For joystick steering lever) 156
Brake piping 158
Brake valve 160
Brake valve (left) 160
Brake valve (right) 162
Outline 164
Operation 164
Charge valve 168
Accumulator (for brake) 172
Slack adjuster 174
Outline 175
Operation 175
Brake 176
Front 176
Outline 177
Rear 178
Outline 179
Outline 180
Parking brake control 182
Parking brake 184
Outline 184
Parking brake solenoid valve 186
Operation 187
Parking brake emergency release valve 188
Outline 188
Hydraulic piping 190
Outline 192
Work equipment control lever 194
For PPC valve 194
For EPC valve (op) 195
Hydraulic tank 196
Breather 197
Torque converter charging, work equipment, and PPC pumps 198
Outline 198
PPC relief valve 200
Outline 200
Operation 201
Travel damper valve (op) 202
Work equipment control valve 204
PPC valve 224
Work equipment control epc valve (op) 230
Shut off valve (op) 233
Cooling fan motor 234
Model: LMF28 234
Cooling fan motor drive pump 240
Model: LPV30 240
Servo valve 245
Safety valve 247
Work equipment linkage 248
Bucket 250
Bucket positioner, lift arm kick-out 251
Bucket positioner 252
Lift arm kick-out 253
Operation of proximity switch 254
Work equipment cylinder 258
Lift arm cylinder 258
Bucket cylinder 258
Cab (op) 260
Air conditioner (op) 261
Air conditioner piping 261
Machine monitoring system 262
Outline 262
Individual circuit diagrams of the machine monitor 264
Starting and lighting functions 264
Load meter 264
Sensing functions 265
Power supply and network 266
Machine monitor 270
Load meter specifications (option) 271
Table of monitor indication items 272
Setting of the machine monitor 277
Service mode functions 281
Items related to the fault history of electric system 285
Items related to the fault history of machine system 287
Items related to maintenance monitor 289
Engine cylinders cut-out function 292
Real-time monitoring function 294
Real-time monitoring items 297
Machine setting 307
Setting necessary for option mounting 310
Optional device setting for machine monitor 311
Transmission control system 332
System diagram 332
Control Function 333
Electric circuit diagram (std) 352
Electric circuit diagram (op) 354
Transmission controller 356
Work equipment control system (op) 358
System diagram 358
Electric circuit diagram (op) 372
Work equipment controller 374
Electric transmission control 376
Functions 377
Combination switch 378
Overview 378
Functions 378
Operation 379
Kick down, hold switch 380
Functions 380
Engine starting circuit 382
Function 382
Operation 383
Engine stop circuit 384
Operation 384
Parking brake circuit 386
Operation 386
Turn signal, hazard lamp circuit 390
Operation 390
Backup lamp, stop lamp circuit 392
Operation 392
Small lamp, head lamp circuit 394
Operation 394
Working lamp circuit 395
Operation 395
Horn circuit 396
Operation 396
Windshield wiper/window washer circuit (If equipped with cab) 398
Sensors 400
Engine speed sensor 400
Speed sensor 400
Engine oil pressure sensor 401
Engine oil level sensor 401
Engine water temperature sensor 402
Torque converter oil temperature sensor 402
Hydraulic oil temperature sensor 402
Transmission oil temperature sensor 402
Brake oil temperature sensor 402
Transmission cut-off pressure sensor 403
Radiator water level sensor 404
Fuel level sensor 405
Lift arm angle sensor (op) 406
Air cleaner clogging sensor 407
Pressure sensor for load meter (op) 408
Battery liquid sensor (op) 409
Relay 410
Standard value table for engine 412
Standard value table for chassis 413
TESTING AND ADJUSTING 411
Measuring engine speed 422
Measuring exhaust color 424
Measuring exhaust temperature 425
Adjusting valve clearance 426
Measuring compression pressure 428
Measuring blow-by pressure 430
Measuring engine oil pressure 431
Measuring air supply pressure (boost pressure) 432
Measuring fuel pressure 432
Adjusting engine speed sensor 433
Handling equipment in fuel system 434
Releasing remaining pressure in fuel system 434
Bleeding air from fuel circuit 435
Reduced cylinder mode operation for engine 436
Checking for leakage in fuel system 437
Adjusting accelerator pedal potentiometer 438
Adjusting accelerator pedal microswitch 439
Adjusting transmission speed sensor 440
Testing and adjusting power train oil pressure 441
Flushing torque converter, transmission hydraulic circuit 445
Moving machine when transmission valve fails 446
Testing and adjusting steering control 448
Testing and adjusting steering oil pressure 449
Measuring brake oil pressure 452
Testing wear of wheel brake disc 454
Bleeding air from brake circuit 455
Testing wear of parking brake disc 456
Manual release method for parking brake 457
Testing and adjusting accumulator charge pressure 458
Testing and adjusting ppc oil pressure 460
Testing and adjusting work equipment hydraulic pressure 462
Testing and adjusting bucket positioner 464
Testing and adjusting lift arm kick-out 465
Checking proximity switch actuation pilot lamp 466
Adjusting machine monitor 467
Testing and adjusting load meter 470
Bleeding air 471
Releasing remaining pressure in hydraulic circuit 472
Releasing remaining pressure in travel damper circuit 472
Handling controller high-voltage circuit 473
TESTING AND ADJUSTING 421
Points to remember when troubleshooting 476
Sequence of events in troubleshooting 477
Precautions when carrying out maintenance 478
Checks before troubleshooting 486
Equipment for troubleshooting electrical system 487
Special functions of machine monitor 488
Flow of modes and functions 489
Categories, procedure, and method of using troubleshooting charts 525
Connection table for connector pin numbers 530
TROUBLESHOOTING 475
Connector types and installation positions 545
Connectors layout drawing 554
Engine control system diagram 560
Error code [A000N1] 562
Error code [AD00L2] 563
Error code [AD00MA] 564
Error code [AD10L3] 565
Error code [AD10MA] 567
Error code [AD10MB] 568
Error code [AD11KA] 569
Error code [AD11KB] 570
Error code [AD51KA] 571
Error code [AD51KB] 572
Error code [ADA1KA] 573
Error code [ADAZKB] 574
Error code [ADB1KA] 576
Error code [ADC1KA] 577
Error code [ADD1KA] 578
Error code [ADDZKB] 580
Error code [ADE1KA] 582
Error code [ADF1KA] 583
Error code [D182KZ] 584
Error code [D1D0KB] 586
Error code [DB20KT] 588
Error code [AB20KT] 590
Error code [DB22KK] 592
Error code [DB29KQ] 594
Error code [DB2AMA] 596
Error code [DD11KB] 597
Error code [DGE3L6] 598
Error code [DGE4KX] 599
Error code [DH30KX] 600
Error code [DH40KX] 601
Error code [DK10KX] 602
Error code [DLE3LC] 603
Error code [DLH1LC] 604
Error code [ENG-1] 605
TROUBLESHOOTING OF ENGINE CONTROL SYSTEM (ENG MODE) 543
Connector types and installation positions 614
Connector layout drawing 622
Transmission control system diagram 628
Error code [1500L1] 631
Error code [15SAL1] 632
Error code [15SALH] 633
Error code [15SBL1] 634
Error code [15SBLH] 635
Error code [15SEL1] 636
Error code [15SELH] 637
Error code [15SFL1] 638
Error code [15SFLH] 639
Error code [15SGL1] 640
Error code [15SGLH] 641
Error code [15SHL1] 642
Error code [15SHLH] 643
Error code [15SJL1] 644
Error code [15SJLH] 645
Error code [989F00] 646
Error code [989G00] 647
Error code [B@C7NS] 648
Error code [D150KA] 649
Error code [D150KB] 650
Error code [D160KA] 651
Error code [D160KB] 652
Error code [D191KA] 654
Error code [D191KB] 656
Error code [D192KA] 658
Error code [D192KB] 659
Error code [DAQ0KK] 660
Error code [DAQ2KK] 661
Error code [DAQ9KQ] 662
Error code [DDK3KA] 664
Error code [DDK3KB] 666
Error code [DDK6KA] 668
Error code [DDK6KB] 670
Error code [DDS5KA] 672
Error code [DDS5KB] 673
Error code [DDT0L4] 674
Error code [DDT4LD] 676
Error code [DDW9LD] 677
Error code [DDWLLD] 678
Error code [DF10KA] 680
Error code [DF10KB] 682
Error code [DGF1KX] 684
Error code [DGR2KA] 685
Error code [DGR2KB] 686
Error code [DHT1KX] 687
Error code [DLE2KA] 688
Error code [DLE2LC] 689
Error code [DLT3KA] 690
Error code [DT20KB] 691
Error code [DW7BKA] 692
Error code [DW7BKB] 693
Error code [DW7CKA] 694
Error code [DW7CKB] 695
Error code [DX16KA] 696
Error code [DX16KB] 697
Error code [DXH1KA] 698
Error code [DXH1KB] 699
Error code [DXH4KA] 700
Error code [DXH4KB] 701
Error code [DXH5KA] 702
Error code [DXH5KB] 703
Error code [DXH6KA] 704
Error code [DXH6KB] 705
Error code [DXH7KA] 706
Error code [DXH7KB] 707
Error code [DXH8KA] 708
Error code [DXH8KB] 709
Error code [DXHHKA] 710
Error code [DXHHKB] 711
Error code [DY30MA] 712
Error code [DY30MC] 714
Action code [TM-1] 716
Action code [TM-2] 717
Action code [TM-3] 718
Action code [TM-4] 720
Action code [TM-5] 722
Action code [TM-6] 724
Action code [TM-7] 725
Action code [TM-8] 726
Action code [TM-9] 727
Action code [TM-10-A] 728
Action code [TM-10-B] 730
Action code [TM-11] 732
Action code [TM-12] 734
Action code [TM-13] 735
Action code [TM-14] 736
Action code [TM-15] 738
Action code [TM-16] 740
Action code [TM-17] 741
Action code [TM-18] 742
Action code [TM-19] 743
Action code [TM-20] 744
Action code [TM-21] 745
Action code [TM-22] 746
Action code [TM-23] 747
Action code [TM-24] 748
Action code [TM-25] 749
Action code [TM-26] 750
Action code [TM-27] 751
Action code [TM-28] 752
Action code [TM-29] 753
TROUBLESHOOTING OF TRANSMISSION CONTROL SYSTEM (TM MODE) 611
Connector types and installation positions 757
Connector layout drawing 766
Work equipment control system diagram 772
Error code [D193KA] 775
Error code [D193KB] 776
Error code [DB90KK] 777
Error code [DB92KK] 778
Error code [DB95KX] 780
Error code [DD1ALD] 782
Error code [DD1BLD] 783
Error code [DFAOKM] 784
Error code [DK59KA] 785
Error code [DK59KY] 786
Error code [DK59L8] 787
Error code [DK5AKA] 788
Error code [DK5AKY] 789
Error code [DK5BKA] 790
Error code [DK5BKY] 791
Error code [DK5BL8] 792
Error code [DK5CKA] 793
Error code [DK5CKY] 794
Error code [DK5DKA] 795
Error code [DK5DKY] 796
Error code [DK5DL8] 797
Error code [DK5EKA] 798
Error code [DK5EKY] 799
Error code [DK5FKA] 800
Error code [DK5FKY] 801
Error code [DK5FKM] 802
Error code [DK5FL8] 803
Error code [DK5GKA] 804
Error code [DK5GKY] 805
Error code [DKAOKA] 806
Error code [DKAOKY] 807
Error code [DLE2LC] 808
Error code [DLT3LC] 809
Error code [DUM1KA] 810
Error code [DUM1KB] 811
Error code [DW4PKA] 812
Error code [DW4PKB] 813
Error code [DW4QKA] 814
Error code [DW4QKB] 815
Error code [DW4RKA] 816
Error code [DW4RKB] 817
Error code [DW4SKA] 818
Error code [DW4SKB] 819
Error code [DWM1KA] 820
Error code [DWM1KB] 821
Error code [DWN6KA] 822
Error code [DWN6KB] 823
Error code [DWN7KA] 824
Error code [DWN7KB] 825
Error code [DWN8KA] 826
Error code [DWN8KB] 827
Error code [DXHJKA] 828
Error code [DXHJKB] 829
Error code [DXHKKA] 830
Error code [DXHKKB] 831
Error code [DXHLKA] 832
Error code [DXHLKB] 833
Error code [DXHMKA] 834
Error code [DXHMKB] 835
Action code [WRK-1] 836
Action code [WRK-2] 837
Action code [WRK-3] 838
Action code [WRK-4] 840
Action code [WRK-5] 842
Action code [WRK-6] 844
Action code [WRK-7] 846
Action code [WRK-8] 847
Action code [WRK-9] 848
Action code [WRK-10] 850
Action code [WRK-11] 852
Action code [WRK-12] 853
Action code [WRK-13] 854
Action code [WRK-14] 855
Action code [WRK-15] 856
Action code [WRK-16] 857
Action code [WRK-17] 858
Action code [WRK-18] 859
Action code [WRK-19] 860
Action code [WRK-20] 861
Action code [WRK-21] 862
Action code [WRK-22] 863
Action code [WRK-23] 864
Action code [WRK-24] 865
Action code [WRK-25] 866
Action code [WRK-26] 868
Action code [WRK-27] 870
Action code [WRK-28] 872
TROUBLESHOOTING OF WORK EQUIPMENT CONTROL SYSTEM (WORK MODE) 755
Connector types and installation positions 877
Connector layout drawing 884
Monitor system diagram 890
Error code [2F00KM] 894
Error code [2G42ZG] 896
Error code [2G43ZG] 897
Error code [AA1ANX] 898
Error code [AB00L6] 900
Error code [AB00MA] 901
Error code [B@BAZG] 902
Error code [B@BAZK] 903
Error code [B@BCNS] 904
Error code [B@BCZK] 905
Error code [B@HANS] 906
Error code [B@CENS] 907
Error code [D5ZHL6] 908
Error code [DA80L4] 909
Error code [DAF3KK] 910
Error code [DAF5KP] 912
Error code [DAF6KP] 914
Error code [DAFBKM] 916
Error code [DAFSKQ] 917
Error code [DAQSKR] 918
Error code [DBQSKR] 919
Error code [DB9SKR] 920
Error code [DD15LD] 921
Error code [DD16LD] 922
Error code [DD17LD] 923
Error code [DD18LD] 924
Error code [DD1CLD] 925
Error code [DDK3KM] 926
Error code [DDK4KM] 927
Error code [DDK6KM] 928
Error code [DDS5L6] 929
Error code [DDY0LD] 930
Error code [DGE2KX] 931
Error code [DGH2KX] 932
Error code [DGT1KX] 933
Error code [DHE4L6] 934
Error code [DHPCKX] 936
Error code [DHPDKX] 938
Error Code [DKA0KX] 939
Error code [DV00KB] 940
Error code [DY30ME] 942
Action code [MON-1] 944
Action code [MON-2] 946
Action code [MON-3] 947
Action code [MON-4] 948
Action code [MON-5] 950
Action code [MON-6] 951
Action code [MON-7] 952
Action code [MON-8] 953
Action code [MON-9] 954
Action code [MON-10] 955
Action code [MON-11] 956
Action code [MON-12] 957
Action code [MON-13] 958
Action code [MON-14] 959
Action code [MON-15] 960
Action code [MON-16] 961
Action code [MON-17] 962
Action code [MON-18] 963
Action code [MON-19] 964
Action code [MON-20] 965
TROUBLESHOOTING OF MONITOR SYSTEM (MON MODE) 875
H-1 968
The machine does not start 968
H-2 970
The lock-up clutch is not released (The engine stops) (When the lock-up clutch is provided) 970
H-3 – a 971
The travel speed is slow, the thrusting force is weak, the uphill traveling power is weak, and th 971
H-3 – b 973
The torque converter lock-up clutch is not let in (When the lock-up clutch is provided) 973
H-4 974
Shocks are large at the times of starting and shifting gear 974
H-5 976
Time lag is large at the times of starting and shifting gear 976
H-6 978
The torque converter oil temperature is high 978
H-7 979
The steering wheel does not turn 979
H-8 980
The steering wheel is heavy 980
H-9 981
The steering wheel fluctuates or is strongly shocked 981
H-10 981
The steering wheel fluctuates or is strongly shocked 981
H-11 981
The right and left swing radii are different 981
H-12 982
The brake does not work or does not work well 982
H-13 983
The brake is not released or is dragged 983
H-14 984
The brake is not released or dragged 984
H-15 985
The boom does not rise 985
H-16 986
The boom moves slowly or the boom rising force is insufficient 986
H-17 987
When rising, the boom comes to move slowly at specific height 987
H-18 987
The boom cylinder cannot hold down the bucket (The bucket rises in the air) 987
H-19 987
Hydraulic drifts of the boom occur often 987
H-20 987
The boom wobbles during operation 987
H-21 988
When the control lever is switched from “HOLD” to “RAISE,” the boom falls temporarily 988
H-22 989
The bucket does not tilt back 989
H-23 990
The bucket moves slowly or the tilting-back force is insufficient 990
H-24 991
The bucket comes to operate slowly in he midst of tilting-back 991
H-25 991
The bucket cylinder cannot hold down the bucket 991
H-26 991
Hydraulic drifts of the bucket occur often 991
H-27 992
The bucket wobbles during travel with cargo (The work equipment valve is set to “HOLD”) 992
H-28 992
When the control lever is switched from “HOLD” to “TILT,” the bucket falls temporarily 992
H-29 993
The control levers of boom and bucket do not move smoothly and heavy 993
TROUBLESHOOTING OF HYDRAULIC, MECHANICAL SYSTEM (H MODE) 967
Connector types and installation positions 997
Connector layout drawing 1006
Monitor system diagram 1012
Action code [E-1] 1014
Action code [E-2] 1016
Action code [E-3] 1018
Action code [E-4] 1020
Action code [E-5-A] 1021
Action code [E-5-B] 1024
Action code [E-5-C] 1025
Action code [E-6] 1026
Action code [E-7-A] 1029
Action code [E-7-B] 1032
Action code [E-7-C] 1034
Action code [E-7-D] 1035
Action code [E-8] 1037
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE) 995
DISASSEMBLY AND ASSEMBLY 1043
Method of using manual 1045
Precautions when carrying out operation 1046
Fuel supply pump assembly 1050
Special tools 1050
Removal 1050
Installation 1052
Schematic drawings of special tools 1054
A1 Remover 1054
A1 Block 1055
A1 Bolt 1055
Nozzle holder assembly 1056
Removal 1056
Installation 1059
Nozzle tip 1061
Special tool 1061
Removal 1061
Installation 1063
Schematic drawing of special tool 1064
A3 Wrench 1064
Cylinder head assembly 1065
Special tool 1065
Removal 1065
Installation 1071
Radiator assembly 1074
Removal 1074
Installation 1076
Air aftercooler assembly 1077
Removal 1077
Installation 1077
Cooling fan drive motor 1078
Removal 1078
Installation 1078
Engine assembly 1079
Removal 1079
Installation 1085
Steering, switch pump, cooling fan drive pump assembly 1086
Removal 1086
Installation 1087
Torque converter charge, work equipment and PPC pump assembly 1088
Removal 1088
installation 1088
Torque converter, transmission assembly 1089
Removal 1089
Installation 1094
Torque converter assembly (standard specifications) 1095
Special tools 1095
Disassembly 1095
Assembly 1098
Torque converter assembly (lock-up specifications) 1101
Special tools 1101
Disassembly 1101
Assembly 1104
Transmission assembly 1109
Special tools 1109
Disassembly 1109
Assembly 1118
Schematics of special tools 1128
C1 Bracket 1128
C6, C7 Pushing tools 1128
C7 Spacer 1129
C11 Lifting tool 1129
C11 Lifting tool 1130
Transmission clutch pack assembly 1131
Special tools 1131
Disassembly 1131
Disassembly of forward-reverse clutch packs 1131
Disassembly of 1st • 4th speed clutch packs 1134
Disassembly of 2nd • 3rd clutch packs 1137
Assembly 1140
Assembly of forward-reverse clutch packs 1140
Assembly of 1st • 4th clutch packs 1144
Assembly of 2nd • 3rd clutch packs 1149
Schematic diagram of special tool 1154
C2 Push tool 1154
Parking brake assembly 1155
Special tools 1155
Disassembly 1155
Assembly 1159
Schematic drawing of special tools 1165
C4, C5 Push tool 1165
C5 Spacer 1165
C8 Push tool 1166
C9 Push tool 1166
C10 Push tool 1167
C13 Bracket 1167
Front axle assembly 1168
Disassembly 1168
Assembly 1170
Rear axle assembly 1171
Removal 1171
Installation 1174
Axle housing assembly 1176
Special tools 1176
Disassembly 1176
Assembly 1181
Schematic drawing of special tools 1187
D7 Pushing tool 1187
D7 Spacer 1187
D7 Pushing tool 1188
D9 Support 1188
D9 Support 1189
Differential assembly 1190
Special tools 1190
Disassembly 1190
Assembly 1196
Schematic drawing of special tools 1208
D1 Plate 1208
D2, D3 Push tool 1208
D3 Spacer 1209
D4 Push tool 1209
D5 Push tool 1210
Center hinge pin 1211
Special tools 1211
Removal 1211
Installation 1217
Steering valve assembly 1221
Removal 1221
Installation 1222
Travel damper assembly 1223
Removal 1223
Installation 1223
Parking brake disc 1224
Special tools 1224
Removal 1224
Installation 1226
Schematic drawing of special tools 1227
C13 Bracket 1227
Hydraulic tank 1228
Removal 1228
Installation 1229
Work equipment valve assembly 1230
Removal 1230
Installation 1231
Hydraulic cylinder assembly (steering, lift, and bucket cylinder assemblies) 1232
Special tools 1232
Disassembly 1233
Assembly 1237
Work equipment assembly 1242
Removal 1242
Installation 1245
Counterweight 1248
Removal 1248
Installation 1249
Fuel tank assembly 1250
Removal 1250
Installation 1251
Cab assembly 1252
Removal 1252
Installation 1254
Cab, floor frame assembly 1255
Removal 1255
Installation 1259
Air conditioner unit assembly 1260
Removal 1260
Installation 1263
Air conditioner compressor assembly 1264
Special tools 1264
Removal 1264
Installation 1265
APPENDIX 1267
Power train oil circuit diagram 1271
Power train oil circuit diagram 1273
Brake oil circuit diagram 1275

DESCRIPTION:

Komatsu WA470-5H WA480-5H Wheel Loader Shop Manual VEBM180101 – PDF DOWNLOAD 

MODEL             SERIAL NUMBER
WA470-5H      WA470H50051 AND UP
WA480-5H      WA480H50051 AND UP

GENERAL PRECAUTIONS :

Mistakes in operation are extremely dangerous. Read the OPERATION & MAINTENANCE MANUAL carefully BEFORE operating the machine.

PREPARATIONS FOR WORK:

IMAGES PREVIEW OF THE MANUAL:

S.V 28/12/24