Komatsu HM350-2R Dump Truck Shop Manual SEN03017-13 PDF

Description

Komatsu HM350-2R Dump Truck Shop Manual SEN03017-13 – PDF DOWNLOAD

FILE DETAILS:

Komatsu HM350-2R Dump Truck Shop Manual SEN03017-13 – PDF DOWNLOAD 

Language : English
Pages : 1464
Downloadable : Yes
File Type : PDF

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

Komatsu HM350-2R Dump Truck Shop Manual SEN03017-13 – PDF DOWNLOAD 

SERIAL NUMBERS 7001 and up

Cover 1
00 Index and foreword 3
Index 3
Composition of shop manual 4
Table of contents 6
Foreword and general information 17
Safety notice 18
How to read the shop manual 24
Explanation of terms for maintenance standard 26
Handling of electric equipment and hydraulic component 28
Handling of connectors newly used for engines 37
How to read electric wire code 40
Precautions when carrying out operation 43
Method of disassembling and connecting push-pull type coupler 46
Standard tightening torque table 49
Conversion table 53
01 Specification 59
Specification and technical data 59
Specification drawings 60
Specifications 61
Weight table 64
Fuel, coolant and lubricants 65
10 Structure, function and maintenance standard 69
Engine and cooling system 69
Radiator, oil cooler, aftercooler 70
Output shaft 71
Power train, Part 1 75
Power train skeleton 76
Torque converter and transmission hydraulic piping 80
Brake cooling oil control valve (BCV) 82
Power train pump 83
Torque converter 86
Transmission 92
Transmission control valve 120
ECMV 121
Main relief, torque converter relief valve 128
Power train, Part 2 131
Drive shaft 132
Axle 136
Differential 140
Limited slip differential 154
Final drive 158
Steering system 165
Steering column 166
Brake system 169
Brake piping 170
Brake valve 172
Accumulator charge valve 175
Accumulator 179
Slack adjuster 180
Brake 182
Proportional reducing valve 187
Brake system tank 188
Parking brake 190
Parking brake caliper 192
Spring cylinder 193
Parking brake solenoid 194
Undercarriage and frame 197
Suspension 198
Suspension cylinder 203
Oscillation hitch 205
Hydraulic system 209
Steering, hoist oil hydraulic piping diagram 210
Dump body control 211
Hydraulic tank and filter 212
Flow amp valve 213
Steering valve 216
Steering cylinder 220
Hoist valve 222
EPC valve 228
Pilot check valve 229
Hoist cylinder 230
Hydraulic pump 231
Cab and its attachments 235
ROPS cab 236
Cab tilt 237
Air conditioner 238
Rear view monitor 246
Controller related 249
Electrical system, Part 1 251
Machine monitor system 252
Electrical system, Part 2 273
Automatic shift control system 274
Transmission controller 277
Retarder control system 306
Auto emergency steering system 318
Dump control lever 319
Electrical system, Part 3 325
Sensors, switches 326
KOMTRAX terminal system (if equipped) 333
20 Standard value table 337
Standard service value table 337
Standard value table for engine 338
Standard value table for chassis 339
30 Testing and adjusting 345
Testing and adjusting, Part 1 345
Precautions before work 347
Tools for testing, adjusting, and troubleshooting 348
Sketches of special tools 353
Measuring engine speed 354
Testing intake air pressure(boost pressure) 355
Testing exhaust temperature 356
Testing exhaust gas color 357
Adjusting valve clearance 358
Testing compression pressure 359
Testing blow-by pressure 361
Testing engine oil pressure 362
Handling of fuel system devices 363
Releasing residual pressurefrom fuel system 363
Testing fuel pressure 364
Testing fuel return and leakageamount 365
Bleeding air from fuel circuit 368
Testing the fuel circuit for leakage 370
Testing and adjusting fan belttension 371
Testing and adjusting alternatorbelt tension 372
Testing and adjusting airconditioner compressor belttension 373
Adjusting the shims in the bodymount 374
Testing and adjusting, Part 2 377
Testing torque converter stall speed 379
Testing power train oil pressure 380
Testing and adjusting of differential lock oil pressure (differential lock spec ) 388
Adjusting transmission speed sensor 393
Testing and adjusting brake oil pressure 395
Testing of accumulator nitrogen gas pressure and procedure for charging accumulator with nitrogen gas 399
Testing brake performance 407
Releasing remaining pressure in brake circuit 408
Bleeding air from brake circuit 409
Testing wear of wheel brake disc 410
Testing the parking brake pad wear 411
Emergency release of the parking brake 412
Testing and adjusting steering circuit oil pressure 413
Testing and adjusting suspension cylinder 415
Method of tilting cab up 419
Testing and adjusting dump circuit oil pressure 421
Adjusting body positioner sensor 423
Adjusting length of spring in body heating spherical joint 424
Adjustment of tilt lock lever of steering wheel 425
Handling of voltage circuit of engine controller 426
Adjusting transmission controller 426
Method for emergency escape at electrical system failure 427
Testing and adjusting, Part 3 433
Setting and adjusting various equipments 434
Special function of machine monitor 443
How to start operation of KOMTRAX terminal 487
Lamp display of KOMTRAX terminal 492
Pm Clinic check sheet 495
40 Troubleshooting 499
Failure code table and fuse locations 499
Failure codes table 500
Fuse locations 507
General information on troubleshooting 515
Precautions before work 516
Points to remember when performing troubleshooting 517
How to proceed in troubleshooting 519
Check before troubleshooting 521
Classification and procedures of troubleshooting 522
Information in troubleshooting table 526
Troubleshooting method for disconnecting wiring harness of pressure sensor system 528
Phenomena looking like troubles and troubleshooting Nos 531
Connection table for connector pin numbers 533
T- branch box and T- branch adapter table 569
Troubleshooting by failure code (Display of code), Part 1 573
Failure code [1500L0] Detecting dual engagement 575
Failure code [15B0NX] Transmission oil filter: Clogging 576
Failure code [15F0KM] R → F gear shift abuse 1 578
Failure code [15F0MB] R → F gear shift abuse 2 578
Failure code [15F7KM] Transmission forward clutch abuse 579
Failure code [15G0MW] Reverse clutch system failure (Slip is detected) 580
Failure code [15G7KM] Transmission reverse clutch abuse 582
Failure code [15H0MW] Hi clutch system failure (Slip is detected) 584
Failure code [15J0MW] Lo clutch system failure (Slip is detected) 586
Failure code [15K0MW] 1st clutch system failure (Slip is detected) 588
Failure code [15L0MW] 2nd clutch system failure (Slip is detected) 590
Failure code [15M0MW] 3rd clutch system failure (Slip is detected) 592
Failure code [15SBL1] Reverse clutch pressure control valve failure I 594
Failure code [15SBMA] Reverse clutch pressure control valve failure II 597
Failure code [15SCL1] Hi clutch pressure control valve failure I 598
Failure code [15SCMA] Hi clutch pressure control valve failure II 601
Failure code [15SDL1] Lo clutch pressure control valve failure I 602
Failure code [15SDMA] Lo clutch pressure control valve failure II 605
Troubleshooting by failure code (Display of code), Part 2 607
Failure code [15SEL1] 1st clutch pressure control valve failure I 610
Failure code [15SEMA] 1st clutch pressure control valve failure II 613
Failure code [15SFL1] 2nd clutch pressure control valve failure I 614
Failure code [15SFMA] 2nd clutch pressure control valve failure II 617
Failure code [15SGL1] 3rd clutch pressure control valve failure I 618
Failure code [15SGMA] 3rd clutch pressure control valve failure II 621
Failure code [15SJMA] Lockup clutch pressure control valve failure II 622
Failure code [15SKMA] Interaxle differential lock clutch pressure control valve failure II 624
Failure code [2A62L1] Front wheel differential lock pressure control valve failure II 626
Failure code [2A62LH] Front wheel differential lock pressure control valve failure I 628
Failure code [2B62L1] Rear wheel differential lock pressure control valve failure II 630
Failure code [2B62LH] Rear wheel differential lock pressure control valve failure I 632
Failure code [2C4MNX] Retarder cooling oil filter clogging 634
Failure code [2F00KM] Dragging of parking brake 636
Failure code [2G42ZG] Lowering of accumulator oil pressure (front) 638
Failure code [2G43ZG] Lowering of accumulator oil pressure (rear) 638
Failure code [989A00] Engine overrun prevention activated 639
Failure code [989D00] Rear section tipping over alarm (Raising operation on slope) 639
Failure code [A570NX] Engine oil filter clogging 640
Failure code [AA10NX] Air cleaner clogging 642
Failure code [AB00MA] Battery charge circuit failure 644
Failure code [B@BAZG] Lowering of engine oil pressure 645
Failure code [B@BAZK] Lowering of engine oil level 646
Failure code [B@BCNS] Engine overheat 647
Failure code [B@BCZK] Lowering of coolant level 648
Failure code [B@C6NS] Overheat of brake cooling oil temperature (front) 650
Failure code [B@C8NS] Overheat of brake cooling oil temperature (center) 650
Failure code [B@CENS] Overheat of torque converter oil temperature 651
Failure code [B@JANS] Overheat of steering oil temperature 651
Troubleshooting by failure code, Part 3 653
Failure code [CA111] Abnormality in engine controller 656
Failure code [CA115] Engine Ne or Bkup speed sensor error 658
Failure code [CA122] Charge (boost) pressure sensor high error 660
Failure code [CA123] Charge (boost) pressure sensor low error 662
Failure code [CA131] Throttle sensor high error 664
Failure code [CA132] Throttle sensor low error 666
Failure code [CA135] Engine oil pressure sensor high error 668
Failure code [CA141] Engine oil pressure sensor low error 670
Failure code [CA144] Coolant temperature sensor high error 672
Failure code [CA145] Coolant temperature sensor low error 674
Failure code [CA153] Charge (boost) temperature sensor high error 676
Failure code [CA154] Charge (boost) temperature sensor low error 678
Failure code [CA187] Sensor power supply 2 low error 680
Failure code [CA221] Atmospheric pressure sensor high error 682
Failure code [CA222] Atmospheric pressure sensor low error 684
Failure code [CA227] Sensor power supply 2 high error 686
Failure code [CA234] Engine overspeed 687
Failure code [CA238] Ne speed sensor power supply error 688
Failure code [CA263] Fuel Temperature Sensor High Error 690
Failure code [CA265] Fuel Temperature Sensor Low Error 692
Failure code [CA271] PCV1 Short circuit 694
Failure code [CA272] PCV1 Disconnection 695
Failure code [CA273] PCV2 Short circuit 696
Failure code [CA274] PCV2 Disconnection 697
Failure code [CA322] Injector #1 open/short error 698
Failure code [CA323] Injector #5 open/short error 700
Failure code [CA324] Injector #3 open/short error 702
Failure code [CA325] Injector #6 open/short error 704
Failure code [CA331] Injector #2 open/short error 706
Failure code [CA332] Injector #4 open/short error 708
Failure code [CA342] Calibration code inconsistency 710
Failure code [CA351] Injectors drive circuit error 711
Failure code [CA352] Sensor power supply 1 low error 712
Failure code [CA386] Sensor power supply 1 high error 714
Troubleshooting by failure code, Part 4 717
Failure code [CA431] Idle validation switch error 719
Failure code [CA432] Idle validation action error 722
Failure code [CA441] Battery voltage low error 725
Failure code [CA442] Battery voltage high error 726
Failure code [CA449] Common rail pressure high error 2 727
Failure code [CA451] Common rail pressure sensor high error 728
Failure code [CA452] Common rail pressure sensor low error 730
Failure code [CA553] Common rail pressure high error 1 732
Failure code [CA554] Common rail pressure sensor in range error 733
Failure code [CA559] Supply pump pressure very low error 1 734
Failure code [CA689] Engine Ne speed sensor error 738
Failure code [CA731] Engine Bkup speed sensor phase error 740
Failure code [CA757] All continuous data lost error 741
Failure code [CA778] Engine Bkup speed sensor error 742
Failure code [CA1633] KOMNET datalink timeout error 744
Failure code [CA2185] Throttle sensor power supply voltage high error 746
Failure code [CA2186] Throttle sensor power supply voltage low error 748
Failure code [CA2249] Supply pump pressure very low error 2 750
Failure code [CA2555] Intake air heater relay open circuit error 752
Failure code [CA2556] Intake air heater relay short circuit error 754
Troubleshooting by failure code (Display of code), Part 5 757
Failure code [DAF9KM] Wrong connection of connector 760
Failure code [DAFRKR] Abnormal CAN communication (machine monitor): Abnormal communication 761
Failure code [DAQ0KK] Lowering of source voltage 762
Failure code [DAQ0KT] Trouble in non-volatile memory 764
Failure code [DAQ2KK] Trouble in solenoid power supply system 766
Failure code [DAQ9KQ] Disagreement of model selection (Transmission controller) 768
Failure code [DAQRKR] Abnormal CAN communication (Transmission): Abnormal communication 770
Failure code [DAQRMA] Disagreement of option setting (Transmission controller) 775
Failure code [DB10KT] Trouble in non-volatile memory 775
Failure code [DB12KK] Trouble in solenoid power supply system 776
Failure code [DB13KK] Lowering of battery direct voltage 778
Failure code [DB19KQ] Disagreement of model selection (Retarder controller) 780
Failure code [DB1QMA] Disagreement of option setting (Retarder controller) 781
Failure code [DB1RKR] CAN communication (retarder controller): Communication disabled 782
Failure code [DB2RKR] CAN communication (engine controller): Communication disabled 786
Failure code [DD1ML4] Disagreement of accelerator-linked retarder switch signal 792
Failure code [DDTHKA] Trouble in Hi clutch flow sensor valve 794
Failure code [DDTJKA] Trouble in Lo clutch flow sensor valve 795
Failure code [DDTKKA] Trouble in 1st clutch flow sensor valve 796
Failure code [DDTLKA] Trouble in 2nd clutch flow sensor valve 797
Failure code [DDTMKA] Trouble in 3rd clutch flow sensor valve 798
Failure code [DDTNKA] Trouble in reverse clutch flow sensor valve 799
Failure code [DF10KA] Input of no lever signals 800
Failure code [DF10KB] Input of multiple lever signals 804
Failure code [DGF1KX] Transmission oil temperature out of range 808
Failure code [DGR3KZ] Ground fault in brake oil temperature sensor (center) 810
Failure code [DGR3L8] Disconnection in brake oil temperature sensor (center) 812
Failure code [DGR4KZ] Ground fault in brake oil temperature sensor (front) 814
Failure code [DGR4L8] Disconnection in brake oil temperature sensor (front) 816
Failure code [DGR6KX] Steering oil temperature out of range 818
Troubleshooting by failure code (Display of code), Part 6 821
Failure code [DGT1KX] Short circuit in torque converter oil temperature sensor system 824
Failure code [DHT5KX] Disconnection, ground fault, or short circuit in torque converter oil pressure sensor system 826
Failure code [DHT5L6] Torque converter oil pressure sensor failure 828
Failure code [DHU2KX] Accumulator oil pressure sensor (front) system failure 830
Failure code [DHU3KX] Accumulator oil pressure sensor (rear) system failure 832
Failure code [DJF1KA] Disconnection in fuel level sensor system 834
Failure code [DK51L5] Manual retarder potentiometer and RVS failure 836
Failure code [DK52KX] Dump lever potentiometer 1 failure 838
Failure code [DK53L8] Dump lever potentiometer 2 failure 840
Failure code [DK54KX] Body positioner sensor failure 842
Failure code [DKH0KX] Pitch angle sensor signal out of range 844
Failure code [DLF1KA] Disconnection in transmission input shaft speed sensor system 846
Failure code [DLF1LC] Transmission input shaft speed sensor failure 847
Failure code [DLF2KA] Disconnection in transmission intermediate shaft speed sensor system 848
Failure code [DLF2LC] Transmission intermediate shaft speed sensor failure 849
Failure code [DLF4KA] Disconnection in transmission differential speed sensor system 850
Failure code [DLT3KA] Disconnection in transmission output shaft speed sensor system 851
Failure code [DV00KB] Short circuit in buzzer output circuit 852
Failure code [DW72KZ] Kick-out solenoid output system failure (disconnection or ground fault) 854
Failure code [DW73KZ] Dump selector valve output system failure 856
Failure code [DW78KZ] Rear wheel BCV command output system failure 858
Failure code [DW79KZ] Front wheel BCV command output system failure 860
Failure code [DX11K4] Rear wheel proportional solenoid pressure reducing valve failure 1 862
Failure code [DX11KA] Disconnection in output circuit of rear wheel proportional solenoid pressure reducing valve 864
Failure code [DX11KB] Ground fault in output circuit of rear wheel proportional solenoid pressure reducing valve 866
Failure code [DX11KY] Hot short in output circuit of rear wheel proportional solenoid pressure reducing valve 868
Failure code [DX11MA] Rear wheel proportional solenoid pressure reducing valve failure 2 870
Failure code [DX12K4] Front wheel proportional solenoid pressure reducing valve failure 1 872
Failure code [DX12KA] Disconnection in output circuit of front wheel proportional solenoid pressure reducing valve 874
Failure code [DX12KB] Ground fault in output circuit of front wheel proportional solenoid pressure reducing valve 876
Failure code [DX12KY] Hot short in output circuit of front wheel proportional solenoid pressure reducing valve 878
Failure code [DX12MA] Front wheel proportional solenoid pressure reducing valve failure 2 880
Troubleshooting by failure code (Display of code), Part 7 883
Failure code [DX13KA] Disconnection in output circuit of dump EPC valve 886
Failure code [DX13KB] Ground fault in output circuit of dump EPC valve 888
Failure code [DX13KY] Hot short in output circuit of dump EPC valve 890
Failure code [DX14KZ] Rear wheel differential lock command output system failure 892
Failure code [DX15KZ] Front wheel differential lock command output system failure 894
Failure code [DXH0KA] Disconnection in output circuit of interaxle differential lock clutch solenoid 896
Failure code [DXH0KB] Ground fault in output circuit of interaxle differential lock clutch solenoid 898
Failure code [DXH0KY] Hot short in output circuit of interaxle differential lock clutch solenoid 900
Failure code [DXH1KA] Disconnection in output circuit of lockup clutch solenoid 902
Failure code [DXH1KB] Ground fault in output circuit of lockup clutch solenoid 904
Failure code [DXH1KY] Hot short in output circuit of lockup clutch solenoid 906
Failure code [DXH2KA] Disconnection in output circuit of Hi clutch ECMV solenoid 908
Failure code [DXH2KB] Ground fault in output circuit of Hi clutch ECMV solenoid 910
Failure code [DXH2KY] Hot short in output circuit of Hi clutch ECMV solenoid 912
Failure code [DXH3KA] Disconnection in output circuit of Lo clutch ECMV solenoid 914
Failure code [DXH3KB] Ground fault in output circuit of Lo clutch ECMV solenoid 916
Failure code [DXH3KY] Hot short in output circuit of Lo clutch ECMV solenoid 918
Failure code [DXH4KA] Disconnection in output circuit of 1st clutch ECMV solenoid 920
Failure code [DXH4KB] Ground fault in output circuit of 1st clutch ECMV solenoid 922
Failure code [DXH4KY] Hot short in output circuit of 1st clutch ECMV solenoid 924
Troubleshooting by failure code (Display of code), Part 8 927
Failure code [DXH5KA] Disconnection in output circuit of 2nd clutch ECMV solenoid 928
Failure code [DXH5KB] Ground fault in output circuit of 2nd clutch ECMV solenoid 930
Failure code [DXH5KY] Hot short in output circuit of 2nd clutch ECMV solenoid 932
Failure code [DXH6KA] Disconnection in output circuit of 3rd clutch ECMV solenoid 934
Failure code [DXH6KB] Ground fault in output circuit of 3rd clutch ECMV solenoid 936
Failure code [DXH6KY] Hot short in output circuit of 3rd clutch ECMV solenoid 938
Failure code [DXH7KA] Disconnection in output circuit of Reverse clutch ECMV solenoid 940
Failure code [DXH7KB] Ground fault in output circuit of Reverse clutch ECMV solenoid 942
Failure code [DXH7KY] Hot short in output circuit of Reverse clutch ECMV solenoid 944
Troubleshooting of electrical system (E-mode) 947
Before troubleshooting for electrical system 949
Information in troubleshooting table 955
E-1 Engine does not start 956
E-2 Auto preheater does not operate 961
E-3 When starting switch is turned ON, machine monitor displays nothing 964
E-4 When starting switch is turned OFF, machine monitor cannot be operated 966
E-5 Alarm buzzer does not sound 968
E-6 Machine monitor does not normally display gauges, caution lamps, and character display section 970
E-7 Display of character display section cannot be changed 971
E-8 Power mode selection function does not operate normally 974
E-9 AISS function does not operate normally 976
E-10 Right and left differential lock function does not operate normally (Differential lock-up specification) 978
E-11 Interaxle differential lock-up function does not operate normally 982
E-12 Display of seat belt caution lamp is abnormal 984
E-13 Both turn signal lamps and hazard lamps do not operate normally 986
E-14 Night lighting is abnormal 991
E-15 Backup lamp and backup buzzer operate abnormally 998
E-16 Emergency steering system does not operate 1002
E-17 Indication of the fuel gauge is abnormal 1006
E-18 Dump lever does not operate normally 1008
E-19 KOMTRAX system does not operate normally 1010
E-20 Electric priming pump does not operate or does not stop automatically 1014
E-21 Air conditioner does not operate normally 1016
Troubleshooting of hydraulic and mechanical system (H-mode) 1023
Information in troubleshooting table 1025
H-1 Machine does not start 1026
H-2 Travel is not smooth (Machine hunts) 1028
H-3 Lockup is not reset 1028
H-4 Start shock and gear shift shock are abnormally large 1029
H-5 Gear is not shifted up 1030
H-6 Travel speed or power is low 1032
H-7 Start and gearshift time lag is large 1036
H-8 Torque converter oil temperature is high 1038
H-9 Torque converter oil temperature is low 1039
H-10 Front brake does not work fully 1040
H-11 Center brake does not work fully 1041
H-12 Rear brake does not work fully 1042
H-13 Steering wheel is heavy 1043
H-14 Steering wheel does not move 1044
H-15 Steering wheel waggle 1045
H-16 Dump body raising speed is low 1046
H-17 Dump body does not move 1047
H-18 Hydraulic drift of dump body is large 1048
Troubleshooting of engine (S-mode) 1051
Method of using troubleshooting chart 1053
S-1 Starting performance of engine is poor 1056
S-2 Engine does not start 1057
S-3 Engine does not pick up smoothly 1060
S-4 Engine stops during operation 1061
S-5 Engine does not rotate smoothly 1062
S-6 Engine lack output (or lacks power) 1063
S-7 Exhaust gas is black (incomplete combustion) 1064
S-8 Oil consumption is excessive (or exhaust gas is blue) 1065
S-9 Oil becomes dirty quickly 1066
S-10 Fuel consumption is excessive 1067
S-11 Oil is in coolant (or coolant spurts back or coolant level goes down) 1068
S-12 Oil pressure drops 1069
S-13 Oil level rises (Entry of coolant or fuel) 1070
S-14 Coolant temperature becomes too high (Overheating) 1071
S-15 Abnormal noise is made 1072
S-16 Vibration is excessive 1073
S-17 Air cannot be bled from fuel circuit 1074
50 Disassembly and assembly 1077
General information on disassembly and assembly 1077
Precautions before work 1078
How to read this manual 1079
Coating materials list 1081
Special tool list 1084
Sketches of special tools 1089
Engine and cooling system (SAA6D140E-5) 1105
Removal and installation of engine assembly 1106
Removal and installation of radiator assembly 1115
Removal and installation of cooling assembly 1119
Removal and installation of aftercooler assembly 1123
Removal and installation of output shaft assembly 1126
Disassembly and assembly of output shaft assembly 1131
Engine (SAA6D140E-5) 1135
Removal and installation of fuel supply pump assembly 1136
Removal and installation of cylinder head assembly 1141
Removal and installation of fuel injector assembly 1157
Removal and installation of engine front seal 1161
Removal and installation of engine rear seal 1163
Replacement procedure of exhaust pipe fire prevention cover 1167
Power train, Part 1 1177
Removal and installation of transmission and front differential assembly 1178
Disconnection and coupling of front differential and transmission 1185
Disassembly and assembly of torque converter assembly 1186
Disassembly and assembly of transmission assembly 1194
Power train, Part 2 (Differential) 1239
Disassembly and assembly of front differential assembly 1240
Removal and installation of center differential assembly 1257
Disassembly and assembly of center differential assembly 1260
Removal and installation of rear differential assembly 1275
Disassembly and assembly of rear differential assembly 1277
Power train, Part 3 (Final drive, brake, axle) 1291
Removal and installation of front final drive and brake assembly 1292
Disassembly and assembly of front final drive and brake assembly 1295
Removal and installation of center final drive and brake assembly 1311
Disassembly and assembly of center final drive and plate assembly 1313
Removal and installation of rear final drive assembly 1325
Disassembly and assembly of rear final drive assembly 1327
Removal and installation of center axle assembly 1334
Removal and installation of rear axle assembly 1337
Undercarriage and frame 1341
Removal and installation of front suspension cylinder assembly 1342
Removal and installation of rear suspension cylinder assembly 1344
Removal and installation of equalizer bar assembly 1346
Removal and installation of front wheel assembly 1348
Removal and installation of rear front wheel assembly 1349
Removal and installation of rear rear wheel assembly 1349
Removal and installation of hitch frame assembly 1350
Disassembly and assembly of hitch frame 1358
Removal and installation of body assembly 1363
Hydraulic system 1367
Disassembly and assembly of steering valve 1368
Removal and installation of flow amplifier valve assembly 1378
Removal and installation of hoist valve assembly 1380
Disassembly and assembly of hoist valve assembly 1382
Disassembly and assembly of steering cylinder assembly 1384
Disassembly and assembly of hoist cylinder assembly 1390
Cab and its attachments 1397
Removal and installation of operator’s cab 1398
Removal and installation of operator’s cab glass (Stuck glass) 1403
Disassembly and assembly of operator’s seat assembly (If equipped) 1410
Electrical system 1421
Removal and installation of air conditioner unit assembly 1422
Removal and installation of engine controller 1427
Removal and installation of retarder controller 1430
Removal and installation of transmission controller assembly 1432
90 Diagrams and drawings 1435
Hydraulic diagrams and drawings 1435
Power train hydraulic circuit diagram 1437
Steering and hoist hydraulic circuit diagram 1439
Brake hydraulic circuit diagram 1440
Brake cooling hydraulic circuit diagram 1441
Differential lock hydraulic circuit diagram 1442
Electrical diagrams and drawings 1445
Electrical circuit diagram for inside cab (1/4) 1447
Electrical circuit diagram for inside cab (2/4) 1449
Electrical circuit diagram for inside cab (3/4) 1451
Electrical circuit diagram for inside cab (4/4) 1453
Electrical circuit diagram for outside cab (1/3) 1455
Electrical circuit diagram for outside cab (2/3) 1457
Electrical circuit diagram for outside cab (3/3) 1459
Connectors table and arrangement drawing HM350-2R 1461

DESCRIPTION:

Komatsu HM350-2R Dump Truck Shop Manual SEN03017-13 – PDF DOWNLOAD 

SERIAL NUMBERS 7001 and up

How to read the shop manual :
1. Composition of shop manual
This shop manual contains the necessary technical information for services performed in a workshop.
For ease of understanding, the manual is divided into the following sections.
00. Index and foreword
This section explains the shop manuals list, table of contents, safety, and basic information.
01. Specification
This section explains the specifications of the machine.
10. Structure, function and maintenance standard
This section explains the structure, function, and maintenance standard values of each component.
The structure and function sub-section explains the structure and function of each component. It
serves not only to give an understanding of the structure, but also serves as reference material for
troubleshooting. The maintenance standard sub-section explains the criteria and remedies for disassembly
and service.
20. Standard value table
This section explains the standard values for new machine and judgement criteria for testing,
adjusting, and troubleshooting. This standard value table is used to check the standard values in
testing and adjusting and to judge parts in troubleshooting.
30. Testing and adjusting
This section explains measuring instruments and measuring methods for testing and adjusting, and
method of adjusting each part. The standard values and judgement criteria for testing and adjusting
are explained in Testing and adjusting.
40. Troubleshooting
This section explains how to find out failed parts and how to repair them. The troubleshooting is
divided by failure modes. The “S mode” of the troubleshooting related to the engine may be also
explained in the Chassis volume and Engine volume. In this case, see the Chassis volume.
50. Disassembly and assembly
This section explains the special tools and procedures for removing, installing, disassembling, and
assembling each component, as well as precautions for them. In addition, tightening torque and
quantity and weight of coating material, oil, grease, and coolant necessary for the work are also
explained.
90. Diagrams and drawings (chassis volume)/Repair and replacement of parts (engine volume)
q Chassis volume
This section gives hydraulic circuit diagrams and electrical circuit diagrams.
q Engine volume
This section explains the method of reproducing, repairing, and replacing parts.

S.V 29/12/24