Komatsu HYDRAULIC EXCAVATOR PC170LC-11 Shop Manual WENBM00150 PDF

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Komatsu HYDRAULIC EXCAVATOR PC170LC-11 Shop Manual WENBM00150 – PDF DOWNLOAD

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Komatsu HYDRAULIC EXCAVATOR PC170LC-11 Shop Manual WENBM00150 – PDF DOWNLOAD

Language : English
Pages :2614
Downloadable : Yes
File Type : PDF

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Komatsu HYDRAULIC EXCAVATOR PC170LC-11 Shop Manual WENBM00150 – PDF DOWNLOAD

SERIAL NUMBERS
PC170LC-11 F40001 and up
PC170LC-11 35001 and up

FOREWORD, SAFETY, BASIC INFORMATION
HOW TO READ THE SHOP MANUAL
• Some of the attachments and options described in this shop manual may not be available in some areas. If
they are required, consult your Komatsu distributor.
• The materials and specifications are subject to change without notice.
• Shop Manuals are available for “machine part” and “engine part”. For the engine unit, see the shop manual
for the machine which has the same engine model.
• Actual machine may differ from the images which are contained in this manual. A typical model is shown in
the illustrations of this shop manual.
Composition of the shop manual
This shop manual contains technical information necessary to perform services in workshops. It is divided into
the following chapters for the ease of use.
00 INDEX AND FOREWORD
This section describes the index, foreword, safety, and basic information.
01 SPECIFICATIONS
This section describes the specifications of the machine.
10 STRUCTURE AND FUNCTION
This section describes the structure and operation of each component with respect to each system. “STRUCTURE
AND FUNCTION” is helpful in not only understanding the structure of each component but performing
troubleshooting.
20 STANDARD VALUE TABLE
This section describes the standard values for new machine and failure criteria for testing and adjusting, and
troubleshooting. Use the standard values table to check the standard values for testing and adjusting, and judge
troubles in troubleshooting.
30 TESTING AND ADJUSTING
This section describes the measuring tools and measuring methods for testing and adjusting as well as the adjusting
method of each part. The standard values and repair limit for TESTING AND ADJUSTING are described
in “STANDARD VALUE TABLE”.
40 TROUBLESHOOTING
This section describes troubleshooting of failure part and its remedy method on the occurrence of the failure.
Descriptions of troubleshooting are sorted by failure mode.
50 DISASSEMBLY AND ASSEMBLY
This section describes the special tools, work procedures, and safety precautions necessary for removal, installation,
disassembly, and assembly of the components and parts. In addition, tightening torques, quantity, and
weight of the coating materials, lubricants, and coolant necessary to these works are shown.
60 MAINTENANCE STANDARD
This section describes the maintenance standard value of each component. The maintenance standard shows
the criteria and remedies for disassembly and assembly.
80 THE OTHER INFORMATION
This section describes the structure and function, testing and adjusting, and troubleshooting for all of the other
components or equipment which cannot be separately classified in the appendix.
90 Circuit diagrams
This section describes hydraulic circuit diagrams and electrical circuit diagrams.

TABLE OF CONTENTS:

Komatsu HYDRAULIC EXCAVATOR PC170LC-11 Shop Manual WENBM00150 – PDF DOWNLOAD

SERIAL NUMBERS
PC170LC-11 F40001 and up
PC170LC-11 35001 and up

00 INDEX AND FOREWORD 3
INDEX 4
ABBREVIATION LIST 21
FOREWORD, SAFETY, BASIC INFORMATION 27
HOW TO READ THE SHOP MANUAL 27
SAFETY NOTICE FOR OPERATION 29
PRECAUTIONS TO PREVENT FIRE 37
ACTIONS IF FIRE OCCURS 39
PRECAUTIONS FOR DISPOSING OF WASTE MATERIALS 40
ACTIONS TAKEN TO MEET EXHAUST GAS REGULATIONS 41
PRECAUTIONS FOR DEF 42
GENERAL CHARACTER AND PRECAUTIONS FOR HANDLING 42
PRECAUTIONS FOR ADDING 42
PRECAUTIONS FOR STORING 42
PRECAUTIONS FOR FIRE HAZARD AND LEAKAGE 42
THE OTHER PRECAUTIONS 42
STORE AdBlue/DEF 43
PRECAUTIONS FOR HANDLING HYDRAULIC EQUIPMENT 44
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF PIPINGS 47
PRECAUTIONS FOR HANDLING ELECTRICAL EQUIPMENT 54
PRECAUTIONS FOR HANDLING FUEL SYSTEM EQUIPMENT 56
PRECAUTIONS FOR HANDLING INTAKE SYSTEM EQUIPMENT 57
PRACTICAL USE OF KOMTRAX 58
DISCONNECT AND CONNECT PUSH-PULL TYPE COUPLER 59
METHOD FOR DISCONNECTING AND CONNECTING TYPE 1 PUSH-PULL TYPE COUPLER 59
METHOD FOR DISCONNECTING AND CONNECTING TYPE 2 PUSH-PULL TYPE COUPLER 60
METHOD FOR DISCONNECTING AND CONNECTING TYPE 3 PUSH-PULL TYPE COUPLER 61
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF CONNECTORS 63
METHOD FOR DISCONNECTING AND CONNECTING DEUTSCH CONNECTOR 67
METHOD FOR DISCONNECTING AND CONNECTING SLIDE LOCK TYPE CONNECTOR 68
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PULL 70
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PUSH 71
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH HOUSING TO ROTATE 73
HOW TO READ ELECTRICAL WIRE CODE 74
EXPLANATION OF TERMS FOR MAINTENANCE STANDARD 78
STANDARD TIGHTENING TORQUE TABLE 81
CONVERSION TABLE 88
01 SPECIFICATIONS 93
CONTENTS 94
ABBREVIATION LIST 95
SPECIFICATIONS 101
SPECIFICATION DRAWING 101
SPECIFICATION DRAWING: PC170LCLC-11 101
WORKING RANGE DRAWINGS 103
WORKING RANGE: PC170LCLC-11 103
SPECIFICATIONS 104
SPECIFICATIONS: PC170LCLC-11 104
WEIGHT TABLE 107
WEIGHT TABLE: PC170LCLC-11 107
TABLE OF FUEL, COOLANT, AND LUBRICANTS 109
10 STRUCTURE AND FUNCTION 111
CONTENTS 112
ABBREVIATION LIST 115
UREA SCR SYSTEM 121
LAYOUT DRAWING OF UREA SCR SYSTEM 121
UREA SCR SYSTEM DIAGRAM 126
FUNCTION OF UREA SCR SYSTEM 127
FUNCTION OF AdBlue/DEF SYSTEM 127
INDUCEMENT STRATEGY 129
COMPONENT PARTS OF UREA SCR SYSTEM 146
AdBlue/DEF MIXING TUBE 146
SCR ASSEMBLY 147
AdBlue/DEF TANK 149
AdBlue/DEF PUMP 151
AdBlue/DEF INJECTOR 152
AdBlue/DEF HOSE 153
AdBlue/DEF TANK HEATING VALVE 154
BOOT-UP SYSTEM 155
LAYOUT DRAWING OF BOOT-UP SYSTEM 155
SYSTEM OPERATING LAMP SYSTEM 157
SYSTEM OPERATING LAMP SYSTEM DIAGRAM 157
FUNCTION OF SYSTEM OPERATING LAMP SYSTEM 157
BATTERY DISCONNECT SWITCH 158
FUNCTION OF BATTERY DISCONNECT SWITCH 158
ENGINE SYSTEM 159
LAYOUT DRAWING OF ENGINE SYSTEM 159
SPECIFICATIONS OF ENGINE SYSTEM 160
FUNCTION OF ENGINE SYSTEM 160
ENGINE CONTROL SYSTEM 161
ENGINE CONTROL SYSTEM DIAGRAM 161
FUNCTION OF ENGINE CONTROL SYSTEM 162
AUTO-DECELERATION SYSTEM 164
AUTO-DECELERATION SYSTEM DIAGRAM 164
FUNCTION OF AUTO-DECELERATION SYSTEM 164
OPERATION OF AUTO-DECELERATION SYSTEM 165
ENGINE AUTOMATIC WARM-UP SYSTEM 166
ENGINE AUTOMATIC WARM-UP SYSTEM DIAGRAM 166
FUNCTION OF ENGINE AUTOMATIC WARM-UP SYSTEM 167
OVERHEAT PREVENTION SYSTEM 168
OVERHEAT PREVENTION SYSTEM DIAGRAM 168
FUNCTION OF OVERHEAT PREVENTION SYSTEM 169
TURBOCHARGER PROTECTION SYSTEM 171
TURBOCHARGER PROTECTION SYSTEM DIAGRAM 171
FUNCTION OF TURBOCHARGER PROTECTION SYSTEM 172
AUTOMATIC IDLE STOP SYSTEM 173
AUTOMATIC IDLE STOP SYSTEM DIAGRAM 173
FUNCTION OF AUTOMATIC IDLE STOP SYSTEM 173
COMPONENT PARTS OF ENGINE SYSTEM 176
VGT 176
EGR SYSTEM 179
EGR VALVE 181
EGR COOLER 183
KCCV SYSTEM 185
KCCV VENTILATOR 187
KDOC 189
COOLING SYSTEM 192
LAYOUT DRAWING OF COOLING SYSTEM 192
SPECIFICATIONS OF COOLING SYSTEM 193
FAN SPEED CONTROL SYSTEM OF FAN CLUTCH 194
FAN SPEED CONTROL SYSTEM DIAGRAM OF FAN CLUTCH 194
FUNCTION OF FAN SPEED CONTROL SYSTEM OF FAN CLUTCH 195
ENGINE OUTPUT CONTROL SYSTEM OF FAN CLUTCH 196
ENGINE OUTPUT CONTROL SYSTEM DIAGRAM OF FAN CLUTCH 196
FUNCTION OF ENGINE OUTPUT CONTROL SYSTEM OF FAN CLUTCH 196
COMPONENT PARTS OF COOLING SYSTEM 198
FAN CLUTCH 198
CONTROL SYSTEM 199
LAYOUT DRAWING OF CONTROL SYSTEM 199
MACHINE MONITOR SYSTEM 202
MACHINE MONITOR SYSTEM DIAGRAM 202
FUNCTION OF MACHINE MONITOR SYSTEM 202
KomVision SYSTEM 204
LAYOUT DRAWING OF KOMVISION SYSTEM 204
KomVision SYSTEM DIAGRAM 206
FUNCTION OF KomVision SYSTEM 206
KOMTRAX SYSTEM 208
KOMTRAX SYSTEM DIAGRAM 208
FUNCTION OF KOMTRAX SYSTEM 208
COMPONENT PARTS OF CONTROL SYSTEM 209
MACHINE MONITOR 209
KomVision CONTROLLER 224
KomVision CAMERA 228
KOMTRAX TERMINAL 229
PUMP CONTROLLER 231
RESISTOR FOR PC-EPC VALVE 236
CAN TERMINATING RESISTOR 237
ENGINE CONTROLLER 238
FUEL CONTROL DIAL 245
HYDRAULIC SYSTEM 247
LAYOUT DRAWING OF HYDRAULIC SYSTEM 247
CLSS 251
STRUCTURE OF CLSS 251
FUNCTION OF CLSS 252
ENGINE AND PUMP COMBINED CONTROL SYSTEM 254
ENGINE AND PUMP COMBINED CONTROL SYSTEM DIAGRAM 254
FUNCTION OF ENGINE AND PUMP COMBINED CONTROL SYSTEM 255
PUMP AND VALVE CONTROL SYSTEM 260
PUMP AND VALVE CONTROL SYSTEM DIAGRAM 260
FUNCTION OF PUMP AND VALVE CONTROL SYSTEM 261
COMPONENT PARTS OF HYDRAULIC SYSTEM 263
HYDRAULIC TANK 263
MAIN PUMP 265
CONTROL VALVE 288
WORK EQUIPMENT SYSTEM 351
LAYOUT DRAWING OF WORK EQUIPMENT SYSTEM 351
ONE-TOUCH POWER MAXIMIZING SYSTEM 355
ONE-TOUCH POWER MAXIMIZING SYSTEM DIAGRAM 355
FUNCTION OF ONE-TOUCH POWER MAXIMIZING SYSTEM 355
PPC LOCK SYSTEM 357
PPC LOCK SYSTEM DIAGRAM 357
FUNCTION OF PPC LOCK SYSTEM 357
WORK EQUIPMENT AND TRAVEL AUTOMATIC LOCK SYSTEM 358
WORK EQUIPMENT AND TRAVEL AUTOMATIC LOCK SYSTEM DIAGRAM 358
FUNCTION OF WORK EQUIPMENT AND TRAVEL AUTOMATIC LOCK SYSTEM 358
OPERATION OF WORK EQUIPMENT AND TRAVEL AUTOMATIC LOCK SYSTEM 359
OIL FLOW ADJUSTER SYSTEM FOR ATTACHMENT 360
ATTACHMENT OIL FLOW ADJUSTER SYSTEM DIAGRAM 360
FUNCTION OF OIL FLOW ADJUSTER SYSTEM FOR ATTACHMENT 361
COMPONENT PARTS OF WORK EQUIPMENT SYSTEM 362
WORK EQUIPMENT AND SWING PPC VALVE 362
1ST-LINE ATTACHMENT PPC VALVE (WITH EPC VALVE) 367
2ND-LINE ATTACHMENT PPC VALVE 376
SOLENOID VALVE 378
ANTI-DROP VALVE FOR BOOM 380
ANTI-DROP VALVE FOR ARM 384
ATTACHMENT CIRCUIT SELECTOR VALVE (FOR HIGH PRESSURE) 389
ATTACHMENT CIRCUIT SELECTOR VALVE (FOR LOW PRESSURE) 391
PILOT CIRCUIT ACCUMULATOR 393
ATTACHMENT CIRCUIT ACCUMULATOR 394
SWING SYSTEM 395
LAYOUT DRAWING OF SWING SYSTEM 395
SWING CONTROL SYSTEM DIAGRAM 399
FUNCTION OF SWING CONTROL SYSTEM 399
COMPONENT PARTS OF SWING SYSTEM 402
SWING MOTOR 402
SWING MACHINERY 405
SWING CIRCLE 407
TRAVEL SYSTEM 409
LAYOUT DRAWING OF TRAVEL SYSTEM 409
TRAVEL CONTROL SYSTEM DIAGRAM 412
FUNCTION OF TRAVEL CONTROL SYSTEM 413
COMPONENT PARTS OF TRAVEL SYSTEM 414
TRAVEL MOTOR 414
FINAL DRIVE 427
TRAVEL PPC VALVE 429
CENTER SWIVEL JOINT 433
UNDERCARRIAGE AND FRAME 435
LAYOUT DRAWING OF UNDERCARRIAGE 435
SPECIFICATIONS OF UNDERCARRIAGE 436
WORK EQUIPMENT 437
STRUCTURE OF WORK EQUIPMENT 437
FUNCTION OF WORK EQUIPMENT 438
WORK EQUIPMENT CLEARANCE ADJUSTMENT SHIM 439
FUNCTION OF WORK EQUIPMENT CLEARANCE ADJUSTMENT SHIM 439
BUCKET CLEARANCE ADJUSTMENT SHIM 440
FUNCTION OF BUCKET CLEARANCE ADJUSTMENT SHIM 440
CAB AND ITS ATTACHMENTS 441
ROPS CAB 441
STRUCTURE OF ROPS CAB 441
FUNCTION OF ROPS CAB 441
CAB MOUNT 442
STRUCTURE OF CAB MOUNT 442
FUNCTION OF CAB MOUNT 442
CAB TIPPING STOPPER 443
STRUCTURE OF CAB TIPPING STOPPER 443
FUNCTION OF CAB TIPPING STOPPER 443
20 STANDARD VALUE TABLE 445
CONTENTS 446
ABBREVIATION LIST 447
STANDARD VALUE TABLE FOR ENGINE 453
STANDARD VALUE TABLE FOR ENGINE: PC170LC-11 453
STANDARD VALUE TABLE FOR MACHINE 457
STANDARD VALUE TABLE FOR MACHINE: PC170LC-11 457
MACHINE POSTURE AND PROCEDURE FOR MEASURING PERFORMANCE 470
30 TESTING AND ADJUSTING 475
CONTENTS 476
ABBREVIATION LIST 479
RELATED INFORMATION ON TESTING AND ADJUSTING 485
TOOLS FOR TESTING AND ADJUSTING 485
SKETCH OF TOOLS FOR TESTING AND ADJUSTING 491
ENGINE AND COOLING SYSTEM 493
TEST ENGINE SPEED 493
METHOD FOR TESTING ENGINE SPEED 493
TEST BOOST PRESSURE 495
METHOD FOR TESTING BOOST PRESSURE ON MACHINE MONITOR 495
METHOD FOR TESTING BOOST PRESSURE 496
TEST EXHAUST GAS COLOR 497
METHOD FOR TESTING EXHAUST GAS COLOR BY HANDY SMOKE CHECKER 497
METHOD FOR TESTING EXHAUST GAS COLOR BY SMOKE METER 498
TEST AND ADJUST VALVE CLEARANCE 499
METHOD FOR TESTING VALVE CLEARANCE 499
METHOD FOR ADJUSTING VALVE CLEARANCE 500
TEST COMPRESSION PRESSURE 502
METHOD FOR TESTING COMPRESSION PRESSURE 502
TEST BLOWBY PRESSURE 507
METHOD FOR TESTING BLOWBY PRESSURE 507
TEST ENGINE OIL PRESSURE 509
METHOD FOR TESTING ENGINE OIL PRESSURE 509
TEST FUEL PRESSURE 510
METHOD FOR TESTING FUEL PRESSURE 511
TEST FUEL DISCHARGE, RETURN AND LEAKAGE 515
METHOD FOR TESTING FUEL DISCHARGE, RETURN AND LEAKAGE 516
BLEEDING AIR FROM FUEL SYSTEM 520
METHOD FOR BLEEDING AIR FROM FUEL SYSTEM 520
TEST FUEL CIRCUIT FOR LEAKAGE 521
METHOD FOR TESTING FUEL CIRCUIT FOR LEAKAGE 521
HANDLE CYLINDER CUT-OUT MODE OPERATION 523
HANDLE NO-INJECTION CRANKING OPERATION 524
TEST AND ADJUST AIR CONDITIONER COMPRESSOR BELT TENSION 525
METHOD FOR CHECKING AIR CONDITIONER COMPRESSOR BELT 525
METHOD FOR ADJUSTING AIR CONDITIONER COMPRESSOR BELT 525
TEST COOLING FAN SPEED 527
METHOD FOR TESTING COOLING FAN SPEED 527
TEST SCR RELATED FUNCTIONS 528
TEST AdBlue/DEF PUMP RAISED PRESSURE 532
TEST INJECTION AMOUNT FROM AdBlue/DEF INJECTOR 535
TEST AdBlue/DEF LINE HEATER RELAY 1 539
TEST AdBlue/DEF LINE HEATER RELAY 2 542
TEST AdBlue/DEF PUMP HEATER RELAY 545
TEST AdBlue/DEF TANK HEATER VALVE 549
TEST DENITRATION EFFICIENCY OF SCR 551
CLEAN AdBlue/DEF TANK 555
METHOD FOR CLEANING AdBlue/DEF TANK 555
BLEED AIR FROM COOLANT CIRCUIT OF AdBlue/DEF TANK 559
METHOD FOR BLEEDING AIR FROM COOLANT CIRCUIT OF AdBlue/DEF TANK 559
POWER TRAIN 561
TEST SWING CIRCLE BEARING CLEARANCE 561
METHOD FOR TESTING SWING CIRCLE BEARING CLEARANCE 561
UNDERCARRIAGE AND FRAME 562
TEST AND ADJUST TRACK TENSION 562
METHOD FOR TESTING TRACK TENSION 562
METHOD FOR ADJUSTING TRACK TENSION 562
HYDRAULIC SYSTEM 564
RELEASE REMAINING PRESSURE FROM HYDRAULIC SYSTEM 564
METHOD FOR RELEASING REMAINING PRESSURE FROM HYDRAULIC TANK 564
METHOD FOR RELEASING REMAINING PRESSURE IN HYDRAULIC CYLINDER CIRCUIT 564
METHOD FOR RELEASING REMAINING PRESSURE FROM SWING MOTOR CIRCUIT 566
METHOD FOR RELEASING REMAINING PRESSURE FROM TRAVEL MOTOR CIRCUIT 566
TEST AND ADJUST OIL PRESSURE IN WORK EQUIPMENT, SWING, AND TRAVEL CIRCUITS 567
METHOD FOR TESTING OIL PRESSURE IN WORK EQUIPMENT, SWING, AND TRAVEL CIRCUITS 567
METHOD FOR ADJUSTING OIL PRESSURE IN WORK EQUIPMENT, SWING, AND TRAVEL CIRCUITS 574
TEST OIL PRESSURE OF CONTROL CIRCUIT 576
METHOD FOR TESTING OIL PRESSURE OF CONTROL CIRCUIT 576
TEST AND ADJUST OIL PRESSURE IN PUMP PC CONTROL CIRCUIT 578
METHOD FOR TESTING PC VALVE OUTLET PRESSURE (SERVO PISTON INLET PRESSURE) 578
METHOD FOR TESTING PC-EPC VALVE OUTLET PRESSURE 579
METHOD FOR ADJUSTING OIL PRESSURE IN PUMP PC CONTROL CIRCUIT 580
TEST AND ADJUST OIL PRESSURE IN PUMP LS CONTROL CIRCUIT 582
METHOD FOR TESTING LS DIFFERENTIAL PRESSURE WITH MACHINE MONITOR 582
METHOD FOR TESTING LS DIFFERENTIAL PRESSURE 584
METHOD FOR TESTING LS VALVE OUTLET PRESSURE (SERVO PISTON INLET PRESSURE) 587
METHOD FOR ADJUSTING LS VALVE 588
TEST OUTLET PRESSURE OF SOLENOID VALVE 589
METHOD FOR TESTING OUTLET PRESSURE OF SOLENOID VALVE 589
OPERATING CONDITION OF SOLENOID VALVE 590
TEST PPC VALVE OUTLET PRESSURE 593
METHOD FOR TESTING PPC VALVE OUTLET PRESSURE 593
ADJUST WORK EQUIPMENT AND SWING PPC VALVES 595
METHOD FOR ADJUSTING PLAY OF WORK EQUIPMENT AND SWING PPC VALVES 595
TEST PUMP SWASH PLATE SENSOR 596
METHOD FOR TESTING PUMP SWASH PLATE SENSOR 596
TEST AND ADJUST TRAVEL DEVIATION 597
METHOD FOR TESTING TRAVEL DEVIATION 597
METHOD FOR ADJUSTING TRAVEL DEVIATION 597
TEST THE PARTS CAUSING HYDRAULIC DRIFT IN WORK EQUIPMENT 600
METHOD FOR TESTING THE PARTS CAUSING HYDRAULIC DRIFT OF BOOM CYLINDER AND BUCKET CYLINDER 600
METHOD FOR TESTING THE PARTS CAUSING HYDRAULIC DRIFT OF ARM CYLINDER 600
METHOD FOR TESTING THE PARTS CAUSING HYDRAULIC DRIFT OF PPC VALVE 601
TEST OIL LEAKAGE 602
METHOD FOR TESTING OIL LEAKAGE FROM BOOM CYLINDER 602
METHOD FOR TESTING OIL LEAKAGE FROM ARM CYLINDER 602
METHOD FOR TESTING OIL LEAKAGE FROM BUCKET CYLINDER 603
METHOD FOR TESTING OIL LEAKAGE FROM SWING MOTOR 604
METHOD FOR TESTING OIL LEAKAGE FROM TRAVEL MOTOR 604
BLEED AIR FROM HYDRAULIC CIRCUIT 605
METHOD FOR BLEEDING AIR FROM HYDRAULIC CIRCUIT 606
TEST AND CHARGE ACCUMULATOR (MANUFACTURED BY NOK) NITROGEN GAS PRESSURE FOR ATTACHMENT (LOW PRESSURE SIDE) 609
TEST ACCUMULATOR (MANUFACTURED BY NOK) NITROGEN GAS PRESSURE FOR ATTACHMENT (LOW PRESSURE SIDE) 609
TEST AND CHARGE ACCUMULATOR NITROGEN GAS PRESSURE FOR ATTACHMENT (HIGH PRESSURE SIDE) 613
TEST ACCUMULATOR NITROGEN GAS PRESSURE FOR ATTACHMENT (HIGH PRESSURE SIDE) 613
REPLACE ACCUMULATOR BLADDER ON HIGH PRESSURE SIDE FOR ACCUMULATOR PIPING 617
REPLACE ACCUMULATOR BLADDER ON HIGH PRESSURE SIDE FOR ACCUMULATOR PIPING 617
CAB AND ITS ATTACHMENTS 624
TEST CAB TIPPING STOPPER 624
METHOD FOR TESTING CAB TIPPING STOPPER 624
METHOD FOR ADJUSTING MIRRORS 625
PROCEDURE FOR ADJUSTING MACHINE LEFT FRONT MIRROR (A) 625
PROCEDURE FOR ADJUSTING REGULAR POSITION OF MACHINE LEFT FRONT MIRROR (A) 626
PROCEDURE FOR ADJUSTING MACHINE RIGHT FRONT MIRROR (B) 627
PROCEDURE FOR ADJUSTING REGULAR POSITION OF MACHINE RIGHT FRONT MIRROR (B) 628
PROCEDURE FOR ADJUSTING MACHINE RIGHT SIDE MIRROR (C) 630
ELECTRICAL SYSTEM 631
SET AND OPERATE MACHINE MONITOR 631
OPERATOR MODE 635
DISPLAY FUNCTION OF TECHNICIAN IDENTIFICATION STATUS SCREEN 635
DISPLAY FUNCTION OF OPERATOR IDENTIFICATION INPUT SCREEN 635
CHECKING FUNCTION BY LCD (LIQUID CRYSTAL DISPLAY) 636
CHECKING FUNCTION OF SERVICE METER 636
METHOD FOR SETTING USAGE LIMITATION AND CHANGING PASSWORD 636
SERVICE MODE 639
METHOD FOR OPERATING SERVICE MODE 639
METHOD FOR CHECKING PRE-DEFINED MONITORING INFORMATION 640
METHOD FOR CHECKING SELF-DEFINE MONITORING INFORMATION 647
ABNORMALITY RECORD MENU 658
METHOD FOR CONFIRMING MAINTENANCE RECORD 662
METHOD FOR OPERATING MAINTENANCE MODE SETTING 663
METHOD FOR OPERATING PHONE NUMBER ENTRY SETTING 667
DEFAULT MENU 669
DIAGNOSTIC TESTS MENU 677
ADJUSTMENT MENU 684
METHOD FOR PERFORMING NO-INJECTION CRANKING 702
KOMTRAX SETTINGS MENU 704
METHOD FOR DISPLAYING SERVICE MESSAGE 706
METHOD FOR STARTING UP KOMTRAX TERMINAL 708
ADJUST REARVIEW CAMERA ANGLE 713
METHOD FOR ADJUSTING REAR VIEW CAMERA ANGLE 713
ADJUST KomVision CAMERA ANGLE 716
METHOD FOR ADJUSTING KomVision CAMERA ANGLE 717
ADJUST KomVision RELATED ITEMS 721
SETTING OF KomVision (MAIN SETTING) 722
SETTING OF KomVision (CAMERA SETTING) 724
SETTING OF KomVision (CAMERA CALIBRATION) 725
KomVision screen – Check 12 m visibility 738
HANDLE VOLTAGE CIRCUIT OF ENGINE CONTROLLER 741
HANDLE BATTERY DISCONNECT SWITCH 742
TEST DIODES 743
METHOD FOR TESTING DIODE USING DIGITAL TESTER 743
METHOD FOR TESTING DIODE USING ANALOG TESTER 743
Pm CLINIC 744
Pm CLINIC SERVICE 744
Pm CLINIC CHECK SHEET:PC170LC-11 746
40 TROUBLESHOOTING 757
CONTENTS 758
ABBREVIATION LIST 768
RELATED INFORMATION ON TROUBLESHOOTING 774
GENERAL TROUBLESHOOTING POINTS 774
TROUBLESHOOTING POINTS FOR UREA SCR SYSTEM 775
SEQUENCE OF EVENTS IN TROUBLESHOOTING 787
CHECKS BEFORE TROUBLESHOOTING 789
INSPECTION PROCEDURE BEFORE TROUBLESHOOTING 791
WALK-AROUND CHECK 791
TESTING IN ACCORDANCE WITH TESTING PROCEDURE 793
CHECK FUEL LEVEL AND TYPE 793
CHECK IMPURE INGREDIENT IN FUEL 793
CHECK FUEL PREFILTER 794
WATER SEPARATOR – CHECK / DRAIN WATER AND SEDIMENT 794
METHOD FOR REPLACING FUEL PREFILTER CARTRIDGE 795
CHECK MAIN FILTER 797
CHECK ENGINE OIL LEVEL (OIL AMOUNT IN OIL PAN) 798
CHECK COOLANT LEVEL (RESERVOIR TANK) 799
CHECK CLOGGING OF AIR CLEANER 800
OUTER ELEMENT – CLEAN 800
ELEMENTS – REPLACE 803
CHECK HYDRAULIC OIL LEVEL 805
CHECK HYDRAULIC OIL STRAINER 806
CHECK HYDRAULIC FILTER 807
CHECK OIL LEVEL IN SWING MACHINERY CASE 808
CHECK OIL LEVEL IN DAMPER CASE 809
CHECK OIL LEVEL IN FINAL DRIVE CASE 809
BLEED AIR FROM FUEL SYSTEM 810
BLEED AIR FROM HYDRAULIC SYSTEM 810
ELECTRICAL EQUIPMENT – CHECK METHOD 810
PREPARATION FOR TROUBLESHOOTING OF ELECTRICAL SYSTEM 816
PREPARATION FOR TROUBLESHOOTING OF MACHINE MONITOR 816
PREPARATION FOR TROUBLESHOOTING OF ENGINE CONTROLLER 816
PREPARATION FOR TROUBLESHOOTING OF PUMP CONTROLLER 816
PREPARATION FOR TROUBLESHOOTING OF KOMTRAX TERMINAL 817
DISCONNECT AND CONNECT CONNECTOR WITH A SPECIAL LOCK 817
PROCEDURE FOR TESTING AND TROUBLESHOOTING 821
SYMPTOMS OF FAILURE AND TROUBLESHOOTING NUMBERS 824
INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE 828
TROUBLESHOOTING METHOD FOR OPEN CIRCUIT IN WIRING HARNESS OF PRESSURE SENSOR SYSTEM 830
CONNECTOR LIST AND LAYOUT 833
CONNECTOR CONTACT IDENTIFICATION 845
T-BRANCH BOX AND T-BRANCH ADAPTER TABLE 885
FUSE LOCATION TABLE 891
PRECAUTIONS FOR REPLACING KDOC 894
PREPARATION OF SHORT CIRCUIT ELECTRICAL CONNECTOR (FOR FAILURE CODES [CA1883] AND [CA3135]) 895
FAILURE CODES TABLE 897
TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE) 913
FAILURE CODE [879AKA] 913
FAILURE CODE [879AKB] 914
FAILURE CODE [879BKA] 915
FAILURE CODE [879BKB] 917
FAILURE CODE [879CKA] 919
FAILURE CODE [879CKB] 920
FAILURE CODE [879DKZ] 921
FAILURE CODE [879EMC] 923
FAILURE CODE [879FMC] 924
FAILURE CODE [879GKX] 925
FAILURE CODE [989L00] 927
FAILURE CODE [989M00] 928
FAILURE CODE [989N00] 929
FAILURE CODE [A1U0N3] 930
FAILURE CODE [A1U0N4] 932
FAILURE CODE [A900FR] 934
FAILURE CODE [A900N6] 935
FAILURE CODE [A900NY] 936
FAILURE CODE [AA10NX] 937
FAILURE CODE [AB00KE] 939
FAILURE CODE [AQ10MB] 942
FAILURE CODE [AQ10N3] 944
FAILURE CODE [AS00N3] 946
FAILURE CODE [AS00R2] 948
FAILURE CODE [AS00R3] 949
FAILURE CODE [AS00R4] 950
FAILURE CODE [AS00R5] 951
FAILURE CODE [AS00R6] 952
FAILURE CODE [AS00ZK] 953
FAILURE CODE [AS10KM] 954
FAILURE CODE [AS10NR] 955
FAILURE CODE [AS10NT] 957
FAILURE CODE [B@BAZG] 958
FAILURE CODE [B@BAZK] 959
FAILURE CODE [B@BCNS] 961
FAILURE CODE [B@BCZK] 962
FAILURE CODE [B@HANS] 964
FAILURE CODE [CA115] 965
FAILURE CODE [CA122] 966
FAILURE CODE [CA123] 968
FAILURE CODE [CA131] 970
FAILURE CODE [CA132] 972
FAILURE CODE [CA144] 974
FAILURE CODE [CA145] 976
FAILURE CODE [CA153] 978
FAILURE CODE [CA154] 981
FAILURE CODE [CA187] 984
FAILURE CODE [CA221] 986
FAILURE CODE [CA222] 988
FAILURE CODE [CA227] 990
FAILURE CODE [CA234] 992
FAILURE CODE [CA238] 993
FAILURE CODE [CA239] 994
FAILURE CODE [CA249] 995
FAILURE CODE [CA256] 997
FAILURE CODE [CA271] 999
FAILURE CODE [CA272]1001
FAILURE CODE [CA295]1003
FAILURE CODE [CA322]1004
FAILURE CODE [CA324]1006
FAILURE CODE [CA331]1008
FAILURE CODE [CA332]1010
FAILURE CODE [CA343]1012
FAILURE CODE [CA351]1013
FAILURE CODE [CA352]1015
FAILURE CODE [CA356]1017
FAILURE CODE [CA357]1019
FAILURE CODE [CA386]1021
FAILURE CODE [CA428]1022
FAILURE CODE [CA429]1024
FAILURE CODE [CA435]1026
FAILURE CODE [CA441]1028
FAILURE CODE [CA442]1030
FAILURE CODE [CA451]1032
FAILURE CODE [CA452]1034
FAILURE CODE [CA488]1036
FAILURE CODE [CA515]1037
FAILURE CODE [CA516]1039
FAILURE CODE [CA553]1041
FAILURE CODE [CA555]1042
FAILURE CODE [CA556]1043
FAILURE CODE [CA559]1044
FAILURE CODE [CA595]1047
FAILURE CODE [CA687]1049
FAILURE CODE [CA689]1051
FAILURE CODE [CA691]1053
FAILURE CODE [CA692]1055
FAILURE CODE [CA697]1057
FAILURE CODE [CA698]1058
FAILURE CODE [CA731]1059
FAILURE CODE [CA778]1061
FAILURE CODE [CA1117]1066
FAILURE CODE [CA1664]1068
FAILURE CODE [CA1669]1070
FAILURE CODE [CA1673]1071
FAILURE CODE [CA1677]1072
FAILURE CODE [CA1678]1073
FAILURE CODE [CA1682]1074
FAILURE CODE [CA1683]1076
FAILURE CODE [CA1684]1078
FAILURE CODE [CA1686]1080
FAILURE CODE [CA1691]1081
FAILURE CODE [CA1694]1083
FAILURE CODE [CA1695]1085
FAILURE CODE [CA1696]1086
FAILURE CODE [CA1712]1088
FAILURE CODE [CA1713]1091
FAILURE CODE [CA1714]1094
FAILURE CODE [CA1715]1095
FAILURE CODE [CA1776]1096
FAILURE CODE [CA1777]1098
FAILURE CODE [CA1843]1101
FAILURE CODE [CA1844]1103
FAILURE CODE [CA1885]1105
FAILURE CODE [CA1887]1107
FAILURE CODE [CA1896]1109
FAILURE CODE [CA1898]1110
FAILURE CODE [CA1938]1112
FAILURE CODE [CA1942]1114
FAILURE CODE [CA1961]1115
FAILURE CODE [CA1962]1116
FAILURE CODE [CA2185]1117
FAILURE CODE [CA2186]1118
FAILURE CODE [CA2198]1120
FAILURE CODE [CA2249]1122
FAILURE CODE [CA2272]1123
FAILURE CODE [CA2288]1125
FAILURE CODE [CA2311]1126
FAILURE CODE [CA2349]1127
FAILURE CODE [CA2353]1129
FAILURE CODE [CA2357]1131
FAILURE CODE [CA2373]1132
FAILURE CODE [CA2374]1134
FAILURE CODE [CA2375]1136
FAILURE CODE [CA2376]1138
FAILURE CODE [CA2387]1141
FAILURE CODE [CA2554]1142
FAILURE CODE [CA2634]1144
FAILURE CODE [CA2635]1146
FAILURE CODE [CA2636]1147
FAILURE CODE [CA2637]1149
FAILURE CODE [CA2771]1151
FAILURE CODE [CA2961]1155
FAILURE CODE [CA2973]1156
FAILURE CODE [CA2976]1157
FAILURE CODE [CA3142]1159
FAILURE CODE [CA3143]1160
FAILURE CODE [CA3144]1161
FAILURE CODE [CA3146]1163
FAILURE CODE [CA3147]1164
FAILURE CODE [CA3148]1165
FAILURE CODE [CA3151]1167
FAILURE CODE [CA3165]1172
FAILURE CODE [CA3228]1174
FAILURE CODE [CA3229]1177
FAILURE CODE [CA3231]1179
FAILURE CODE [CA3232]1181
FAILURE CODE [CA3235]1185
FAILURE CODE [CA3239]1187
FAILURE CODE [CA3241]1190
FAILURE CODE [CA3242]1193
FAILURE CODE [CA3251]1196
FAILURE CODE [CA3313]1198
FAILURE CODE [CA3314]1199
FAILURE CODE [CA3315]1200
FAILURE CODE [CA3419]1202
FAILURE CODE [CA3421]1204
FAILURE CODE [CA3497]1206
FAILURE CODE [CA3498]1207
FAILURE CODE [CA3545]1208
FAILURE CODE [CA3547]1210
FAILURE CODE [CA3558]1211
FAILURE CODE [CA3559]1213
FAILURE CODE [CA3562]1215
FAILURE CODE [CA3563]1217
FAILURE CODE [CA3567]1220
FAILURE CODE [CA3568]1223
FAILURE CODE [CA3571]1227
FAILURE CODE [CA3572]1229
FAILURE CODE [CA3574]1231
FAILURE CODE [CA3575]1233
FAILURE CODE [CA3577]1235
FAILURE CODE [CA3578]1237
FAILURE CODE [CA3582]1239
FAILURE CODE [CA3583]1245
FAILURE CODE [CA3596]1247
FAILURE CODE [CA3649]1250
FAILURE CODE [CA3681]1252
FAILURE CODE [CA3682]1256
FAILURE CODE [CA3713]1260
FAILURE CODE [CA3717]1263
FAILURE CODE [CA3718]1264
FAILURE CODE [CA3724]1265
FAILURE CODE [CA3725]1266
FAILURE CODE [CA3741]1269
FAILURE CODE [CA3748]1270
FAILURE CODE [CA3755]1273
FAILURE CODE [CA3866]1275
FAILURE CODE [CA3868]1278
FAILURE CODE [CA4152]1281
FAILURE CODE [CA4155]1285
FAILURE CODE [CA4156]1287
FAILURE CODE [CA4157]1290
FAILURE CODE [CA4159]1292
FAILURE CODE [CA4164]1293
FAILURE CODE [CA4165]1295
FAILURE CODE [CA4166]1297
FAILURE CODE [CA4168]1298
FAILURE CODE [CA4169]1301
FAILURE CODE [CA4171]1303
FAILURE CODE [CA4249]1306
FAILURE CODE [CA4251]1308
FAILURE CODE [CA4261]1311
FAILURE CODE [CA4277]1314
FAILURE CODE [CA4459]1318
FAILURE CODE [CA4461]1321
FAILURE CODE [CA4533]1324
FAILURE CODE [CA4534]1325
FAILURE CODE [CA4731]1326
FAILURE CODE [CA4732]1327
FAILURE CODE [CA4739]1328
FAILURE CODE [CA4768]1329
FAILURE CODE [CA4769]1331
FAILURE CODE [CA4842]1334
FAILURE CODE [CA4952]1337
FAILURE CODE [CA5115]1339
FAILURE CODE [CA5179]1342
FAILURE CODE [CA5181]1344
FAILURE CODE [CA5387]1346
FAILURE CODE [CA5388]1348
FAILURE CODE [CA5389]1351
FAILURE CODE [CA5391]1353
FAILURE CODE [CA5392]1357
FAILURE CODE [CA5393]1359
FAILURE CODE [CA5394]1361
FAILURE CODE [CA5395]1363
FAILURE CODE [CA5396]1366
FAILURE CODE [CA5631]1367
FAILURE CODE [CA5632]1369
FAILURE CODE [CA5938]1370
FAILURE CODE [D110KB]1372
FAILURE CODE [D19JKZ]1374
FAILURE CODE [D811MC]1377
FAILURE CODE [D862KA]1378
FAILURE CODE [D8ALKA]1379
FAILURE CODE [D8ALKB]1381
FAILURE CODE [D8AQKR]1383
FAILURE CODE [DA20MC]1387
FAILURE CODE [DA22KK]1388
FAILURE CODE [DA25KP]1391
FAILURE CODE [DA29KQ]1394
FAILURE CODE [DA2LKA]1396
FAILURE CODE [DA2LKB]1398
FAILURE CODE [DA2QKR]1400
FAILURE CODE [DA2RKR]1405
FAILURE CODE [DAF0KM]1410
FAILURE CODE [DAF0MB]1411
FAILURE CODE [DAF0MC]1412
FAILURE CODE [DAF8KB]1413
FAILURE CODE [DAF9KQ]1415
FAILURE CODE [DAFGMC]1416
FAILURE CODE [DAFLKA]1417
FAILURE CODE [DAFLKB]1419
FAILURE CODE [DAFQKR]1421
FAILURE CODE [DAZ9KQ]1425
FAILURE CODE [DAZQKR]1426
FAILURE CODE [DB2QKR]1430
FAILURE CODE [DB2RKR]1435
FAILURE CODE [DBP0KM]1440
FAILURE CODE [DBP0KT]1441
FAILURE CODE [DBP5KB]1442
FAILURE CODE [DBP5KY]1445
FAILURE CODE [DBPQKR]1448
FAILURE CODE [DDNRKA]1453
FAILURE CODE [DDNRKY]1455
FAILURE CODE [DDNS00]1457
FAILURE CODE [DFB1KZ]1459
FAILURE CODE [DFB2KZ]1461
FAILURE CODE [DFB3L8]1463
FAILURE CODE [DFB4L8]1465
FAILURE CODE [DFB5KZ]1467
FAILURE CODE [DFB6KZ]1469
FAILURE CODE [DGH2KA]1471
FAILURE CODE [DGH2KB]1473
FAILURE CODE [DHA4KA]1475
FAILURE CODE [DHPAMA]1477
FAILURE CODE [DHPBMA]1480
FAILURE CODE [DHS3MA]1483
FAILURE CODE [DHS4MA]1486
FAILURE CODE [DHS5MA]1489
FAILURE CODE [DHS8MA]1492
FAILURE CODE [DHS9MA]1495
FAILURE CODE [DHSAMA]1498
FAILURE CODE [DHSBMA]1501
FAILURE CODE [DHSCMA]1504
FAILURE CODE [DHSDMA]1507
FAILURE CODE [DKR0MA]1510
FAILURE CODE [DKULKA]1513
FAILURE CODE [DKULKB]1515
FAILURE CODE [DKULKY]1517
FAILURE CODE [DLM5KA]1519
FAILURE CODE [DLM5MB]1522
FAILURE CODE [DR10KA]1524
FAILURE CODE [DR12KA]1527
FAILURE CODE [DR20KA]1529
FAILURE CODE [DR21KX]1531
FAILURE CODE [DR30KA]1533
FAILURE CODE [DR31KX]1535
FAILURE CODE [DR40KA]1537
FAILURE CODE [DUMBKA]1539
FAILURE CODE [DUMBKB]1541
FAILURE CODE [DV20KB]1543
FAILURE CODE [DW43KA]1545
FAILURE CODE [DW43KB]1547
FAILURE CODE [DW43KY]1549
FAILURE CODE [DW45KA]1551
FAILURE CODE [DW45KB]1554
FAILURE CODE [DW45KY]1557
FAILURE CODE [DW4CKY]1559
FAILURE CODE [DW91KA]1561
FAILURE CODE [DW91KB]1563
FAILURE CODE [DW91KY]1565
FAILURE CODE [DWA2KA]1567
FAILURE CODE [DWA2KB]1569
FAILURE CODE [DWA2KY]1571
FAILURE CODE [DWJ0KA]1573
FAILURE CODE [DWJ0KB]1575
FAILURE CODE [DWJ0KY]1577
FAILURE CODE [DWK0KA]1579
FAILURE CODE [DWK0KB]1581
FAILURE CODE [DWK0KY]1583
FAILURE CODE [DWK2KA]1585
FAILURE CODE [DWK2KB]1587
FAILURE CODE [DWK2KY]1589
FAILURE CODE [DWN5KA]1591
FAILURE CODE [DWN5KB]1594
FAILURE CODE [DWN5KY]1597
FAILURE CODE [DWNSKA]1599
FAILURE CODE [DWNSKB]1601
FAILURE CODE [DWNSKY]1603
FAILURE CODE [DXA8KA]1604
FAILURE CODE [DXA8KB]1606
FAILURE CODE [DXE4KA]1608
FAILURE CODE [DXE4KB]1610
FAILURE CODE [DXE4KY]1612
FAILURE CODE [DXE7KA]1614
FAILURE CODE [DXE7KB]1616
FAILURE CODE [DXE7KY]1618
FAILURE CODE [DXE8KA]1620
FAILURE CODE [DXE8KB]1622
FAILURE CODE [DXE8KY]1624
FAILURE CODE [DXE9KA]1626
FAILURE CODE [DXE9KB]1628
FAILURE CODE [DXE9KY]1630
FAILURE CODE [DXEAKA]1632
FAILURE CODE [DXEAKB]1634
FAILURE CODE [DXEAKY]1636
FAILURE CODE [DY20KA]1638
FAILURE CODE [DY20MA]1640
FAILURE CODE [DY2CKB]1642
FAILURE CODE [DY2DKB]1645
FAILURE CODE [DY2EKB]1647
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E-MODE)1649
E-1 ENGINE DOES NOT START (ENGINE DOES NOT CRANK)1649
E-2 MANUAL PREHEATING SYSTEM DOES NOT WORK1655
E-3 AUTOMATIC PREHEATING SYSTEM DOES NOT WORK1658
E-4 WHILE PREHEATING IS WORKING, PREHEATING MONITOR DOES NOT LIGHT UP1660
E-5 WHEN STARTING SWITCH IS TURNED TO ON POSITION, MACHINE MONITOR DISPLAYS NOTHING1662
E-6 WHILE STARTING SWITCH IS TURNED TO ON POSITION (WITH ENGINE STOPPED), ENGINE OIL LEVEL MONITOR LIGHTS UP IN YELLOW1665
E-7 WHILE STARTING SWITCH IS TURNED TO ON POSITION (WITH ENGINE STOPPED), RADIATOR COOLANT LEVEL MONITOR LIGHTS UP IN YELLOW1666
E-8 ENGINE COOLANT TEMPERATURE MONITOR LIGHTS UP IN WHITE WHILE ENGINE IS RUNNING1667
E-9 HYDRAULIC OIL TEMPERATURE MONITOR LIGHTS UP IN WHITE WHILE ENGINE IS RUNNING1668
E-10 AIR CLEANER CLOGGING MONITOR LIGHTS UP IN YELLOW WHILE ENGINE IS RUNNING1669
E-11 CHARGE LEVEL MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING1670
E-12 FUEL LEVEL MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING1671
E-13 WATER SEPARATOR MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING1672
E-14 ENGINE COOLANT TEMPERATURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING1673
E-15 ENGINE OIL PRESSURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING1674
E-16 HYDRAULIC OIL TEMPERATURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING1675
E-17 FUEL GAUGE DISPLAY DOES NOT MOVE FROM MINIMUM OR MAXIMUM1676
E-18 DISPLAY OF FUEL GAUGE DIFFERS FROM ACTUAL FUEL LEVEL1678
E-19 ENGINE COOLANT TEMPERATURE GAUGE DISPLAY DOES NOT MOVE FROM MINIMUM OR MAXIMUM1679
E-20 DISPLAY OF ENGINE COOLANT TEMPERATURE GAUGE DIFFERS FROM ACTUAL COOLANT TEMPERATURE1680
E-21 HYDRAULIC OIL TEMPERATURE GAUGE DISPLAY DOES NOT MOVE FROM MINIMUM OR MAXIMUM1681
E-22 DISPLAY OF HYDRAULIC OIL TEMPERATURE GAUGE DIFFERS FROM ACTUAL OIL TEMPERATURE1683
E-23 SOME AREAS OF MACHINE MONITOR SCREEN ARE NOT DISPLAYED1684
E-24 FUNCTION SWITCH DOES NOT OPERATE1685
E-25 AUTOMATIC WARM-UP SYSTEM DOES NOT WORK (IN COLD WEATHER)1686
E-26 WHEN AUTO-DECELERATOR SWITCH IS OPERATED, AUTO-DECELERATOR MONITOR DOES NOT LIGHT UP OR DOES NOT GO OFF1687
E-27 AUTO-DECELERATOR IS NOT OPERATED OR CANCELED WITH LEVER1688
E-28 WHEN WORKING MODE SWITCH IS OPERATED, WORKING MODE SELECTION SCREEN IS NOT DISPLAYED1689
E-29 WHEN WORKING MODE IS CHANGED, SETTING OF ENGINE AND HYDRAULIC PUMP IS NOT CHANGED1690
E-30 WHEN TRAVEL SPEED SWITCH IS OPERATED, TRAVEL SPEED MONITOR DOES NOT CHANGE1691
E-31 WHEN TRAVEL SPEED SELECTION IS CHANGED, ACTUAL TRAVEL SPEED DOES NOT CHANGE1692
E-32 ALARM BUZZER CANNOT BE CANCELED1694
E-33 SERVICE METER IS NOT DISPLAYED, WHILE STARTING SWITCH IS IN OFF POSITION1695
E-34 SERVICE MODE CANNOT BE SELECTED1696
E-35 ALL OF WORK EQUIPMENTS, SWING, AND TRAVEL MECHANISM DO NOT MOVE1697
E-36 ALL OF WORK EQUIPMENT, SWING, AND TRAVEL MECHANISM DO NOT LOCK1700
E-37 WHEN SWING BRAKE CANCEL SWITCH IS SET TO CANCEL POSITION, MACHINE CANNOT SWING1702
E-38 WHEN SWING BRAKE CANCEL SWITCH IS SET TO NORMAL POSITION, SWING HOLDING BRAKE DOES NOT OPERATE1705
E-39 ONE-TOUCH POWER MAXIMIZING FUNCTION DOES NOT OPERATE PROPERLY, OR INDICATOR NOT DISPLAYED ON MONITOR1707
E-40 ONE-TOUCH POWER MAXIMIZING FUNCTION IS NOT CANCELLED1710
E-41 ALARM DOES NOT SOUND DURING TRAVEL1711
E-42 ALARM DOES NOT STOP SOUNDING WHILE MACHINE IS STOPPED1713
E-43 HORN DOES NOT SOUND1714
E-44 HORN DOES NOT STOP SOUNDING1717
E-45 WHEN WIPER SWITCH IS OPERATED, WIPER MONITOR DOES NOT LIGHT UP OR GO OFF1719
E-46 WHEN WIPER SWITCH IS OPERATED, WINDSHIELD WIPER DOES NOT OPERATE1720
E-47 WHEN WINDOW WASHER SWITCH IS OPERATED, WINDOW WASHER DOES NOT OPERATE1722
E-48 BOOM RAISE INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION1723
E-49 BOOM LOWER INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION1724
E-50 ARM OUT INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION1725
E-51 ARM IN INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION1726
E-52 BUCKET DUMP INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION1727
E-53 BUCKET CURL INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION1728
E-54 SWING INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION1729
E-55 TRAVEL INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION1730
E-56 SERVICE INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION1731
E-57 ATTACHMENT HYDRAULIC CIRCUIT CANNOT BE CHANGED1733
E-58 KOMTRAX SYSTEM DOES NOT OPERATE NORMALLY1734
TROUBLESHOOTING FOR HYDRAULIC AND MECHANICAL SYSTEMS (H MODE)1735
INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (H MODE)1735
FAILURE MODE AND CAUSE TABLE1736
H-1 ALL WORK EQUIPMENT, SWING AND TRAVEL DO NOT WORK1746
H-2 ALL WORK EQUIPMENT, SWING AND TRAVEL LACK SPEED AND POWER1747
H-3 FINE CONTROL PERFORMANCE OR RESPONSE IS POOR1749
H-4 UNUSUAL NOISE IS HEARD FROM AROUND HYDRAULIC PUMP1750
H-5 ENGINE SPEED DROPS LARGELY OR ENGINE STOPS1751
H-6 SPEED OR POWER OF BOOM IS LOW1753
H-7 ARM SPEED OR POWER IS LOW1756
H-8 BUCKET SPEED OR POWER IS LOW1760
H-9 WORK EQUIPMENT DOES NOT MOVE IN SINGLE OPERATION1762
H-10 HYDRAULIC DRIFT OF BOOM IS LARGE1763
H-11 HYDRAULIC DRIFT OF ARM IS LARGE1764
H-12 HYDRAULIC DRIFT OF BUCKET IS LARGE1766
H-13 WHEN SINGLE WORK EQUIPMENT IS RELIEVED HYDRAULICALLY, OTHER WORK EQUIPMENT MOVES1767
H-14 TIME LAG OF WORK EQUIPMENT IS LARGE1768
H-15 ONE-TOUCH POWER MAXIMIZING FUNCTION DOES NOT OPERATE1769
H-16 ATTACHMENT CIRCUIT CANNOT BE CHANGED1770
H-17 OIL FLOW IN ATTACHMENT CIRCUIT CANNOT BE CHANGED1771
H-18 IN COMBINED OPERATION OF WORK EQUIPMENT, EQUIPMENT HAVING HEAVIER LOAD MOVES SLOWER1772
H-19 IN COMBINED OPERATION OF SWING AND TRAVEL, TRAVEL SPEED DROPS LARGELY1773
H-20 IN COMBINED OPERATION OF SWING AND BOOM RAISE, BOOM RISING SPEED IS LOW1774
H-21 MACHINE DOES NOT TRAVEL STRAIGHT1775
H-22 MACHINE IS NOT STEERED WELL OR STEERING POWER IS LOW1778
H-23 TRAVEL SPEED IS LOW1780
H-24 ONE OF TRACKS DOES NOT RUN1782
H-25 TRAVEL SPEED DOES NOT CHANGE, OR TRAVEL SPEED IS TOO SLOW OR FAST1783
H-26 UPPER STRUCTURE DOES NOT SWING BOTH TO THE RIGHT AND LEFT1784
H-27 SWINGS ONLY IN ONE DIRECTION1785
H-28 SWING ACCELERATION OR SWING SPEED IS LOW IN BOTH DIRECTIONS (RIGHT AND LEFT)1786
H-29 SWING ACCELERATION PERFORMANCE IS POOR OR SWING SPEED IS SLOW IN ONLY ONE DIRECTION1787
H-30 UPPER STRUCTURE OVERRUNS EXCESSIVELY WHEN IT STOPS SWINGING (BOTH RIGHT AND LEFT)1788
H-31 UPPER STRUCTURE OVERRUNS EXCESSIVELY WHEN IT STOPS SWINGING (ONLY ONE DIRECTION EITHER RIGHT OR LEFT)1789
H-32 SHOCK IS LARGE WHEN UPPER STRUCTURE STOPS SWINGING1790
H-33 LARGE UNUSUAL NOISE IS HEARD WHEN UPPER STRUCTURE STOPS SWINGING1791
H-34 SWING DRIFT ON A SLOPE IS LARGE (WHILE SWING PARKING BRAKE IS APPLIED)1792
H-35 SWING DRIFT ON A SLOPE IS LARGE (WHILE SWING PARKING BRAKE IS RELEASED)1793
H-36 FAN SPEED IS ABNORMAL (TOO HIGH OR LOW, OR STATIONARY)1794
H-37 UNUSUAL NOISE IS HEARD FROM AROUND FAN1795
TROUBLESHOOTING OF ENGINE (S-MODE)1796
INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (S MODE)1796
S-1 ENGINE DOES NOT CRANK WHEN STARTING SWITCH IS TURNED TO START POSITION1797
S-2 ENGINE CRANKS BUT NO EXHAUST GAS COMES OUT1798
S-3 FUEL IS BEING INJECTED BUT ENGINE DOES NOT START (MISFIRING: ENGINE CRANKS BUT DOES NOT START)1799
S-4 ENGINE STARTABILITY IS POOR1801
S-5 ENGINE DOES NOT PICK UP SMOOTHLY1803
S-6 ENGINE STOPS DURING OPERATION1805
S-7 ENGINE RUNS ROUGH OR IS UNSTABLE1807
S-8 ENGINE LACKS POWER1808
S-9 EXHAUST SMOKE IS BLACK1810
S-10 ENGINE OIL CONSUMPTION IS EXCESSIVE1812
S-11 OIL BECOMES CONTAMINATED QUICKLY1813
S-12 FUEL CONSUMPTION IS EXCESSIVE1814
S-13 OIL IS IN COOLANT (OR COOLANT SPURTS BACK OR COOLANT LEVEL GOES DOWN)1815
S-14 OIL PRESSURE DROPS1816
S-15 FUEL MIXES INTO ENGINE OIL1818
S-16 WATER MIXES INTO ENGINE OIL (MILKY)1819
S-17 COOLANT TEMPERATURE RISES TOO HIGH (OVERHEATING)1820
S-18 UNUSUAL NOISE IS HEARD1821
S-19 VIBRATION IS EXCESSIVE1822
S-20 AIR CANNOT BE BLED FROM FUEL CIRCUIT1823
S-21 ACTIVE REGENERATION IS EXECUTED FREQUENTLY1824
S-22 ACTIVE REGENERATION TAKES TIME1825
S-23 WHITE SMOKE IS EXHAUSTED DURING ACTIVE REGENERATION1826
S-24 AdBlue/DEF CONSUMPTION IS EXCESSIVE1827
S-25 THERE IS UNUSUAL SMELL (IRRITATING ODOR)1829
S-26 FOREIGN MATERIALS ENTER AdBlue/DEF (AdBlue/DEF INCREASES)1830
50 DISASSEMBLY AND ASSEMBLY1831
CONTENTS1832
ABBREVIATION LIST1837
RELATED INFORMATION ON DISASSEMBLY AND ASSEMBLY1843
HOW TO READ THIS MANUAL1843
COATING MATERIALS LIST1845
SPECIAL TOOLS LIST1849
SKETCHES OF SPECIAL TOOLS1863
ENGINE AND COOLING SYSTEM1871
REMOVE AND INSTALL SUPPLY PUMP ASSEMBLY1871
METHOD FOR REMOVING SUPPLY PUMP ASSEMBLY1871
METHOD FOR INSTALLING SUPPLY PUMP ASSEMBLY1875
REMOVE AND INSTALL INJECTOR ASSEMBLY1879
METHOD FOR REMOVING INJECTOR ASSEMBLY1879
METHOD FOR INSTALLING INJECTOR ASSEMBLY1882
REMOVE AND INSTALL CYLINDER HEAD ASSEMBLY1888
METHOD FOR REMOVING CYLINDER HEAD ASSEMBLY1888
METHOD FOR INSTALLING CYLINDER HEAD ASSEMBLY1898
REMOVE AND INSTALL EGR VALVE ASSEMBLY1915
METHOD FOR REMOVING EGR VALVE ASSEMBLY1915
METHOD FOR INSTALLING EGR VALVE ASSEMBLY1916
REMOVE AND INSTALL EGR COOLER ASSEMBLY1918
METHOD FOR REMOVING EGR COOLER ASSEMBLY1918
METHOD FOR INSTALLING EGR COOLER ASSEMBLY1920
REMOVE AND INSTALL STARTER ASSEMBLY1923
METHOD FOR REMOVING STARTER ASSEMBLY1923
METHOD FOR INSTALLING STARTER ASSEMBLY1925
REMOVE AND INSTALL ALTERNATOR BELT1928
METHOD FOR REMOVING ALTERNATOR BELT1928
METHOD FOR INSTALLING ALTERNATOR BELT1930
REMOVE AND INSTALL RADIATOR ASSEMBLY1933
METHOD FOR REMOVING RADIATOR ASSEMBLY1933
METHOD FOR INSTALLING RADIATOR ASSEMBLY1937
REMOVE AND INSTALL HYDRAULIC OIL COOLER ASSEMBLY1941
METHOD FOR REMOVING HYDRAULIC OIL COOLER ASSEMBLY1941
METHOD FOR INSTALLING HYDRAULIC OIL COOLER ASSEMBLY1945
REMOVE AND INSTALL AFTERCOOLER ASSEMBLY1949
METHOD FOR REMOVING AFTERCOOLER ASSEMBLY1949
METHOD FOR INSTALLING AFTERCOOLER ASSEMBLY1951
REMOVE AND INSTALL FAN CLUTCH ASSEMBLY1954
METHOD FOR REMOVING FAN CLUTCH ASSEMBLY1954
METHOD FOR INSTALLING FAN CLUTCH ASSEMBLY1958
REMOVE AND INSTALL FAN1962
METHOD FOR INSTALLING FAN1962
METHOD FOR REMOVING FAN1962
REMOVE AND INSTALL ENGINE AND MAIN PUMP ASSEMBLY1963
METHOD FOR REMOVING ENGINE AND MAIN PUMP ASSEMBLY1963
METHOD FOR INSTALLING ENGINE AND MAIN PUMP ASSEMBLY1978
REMOVE AND INSTALL ENGINE FRONT OIL SEAL1993
METHOD FOR REMOVING ENGINE FRONT OIL SEAL1993
METHOD FOR INSTALLING ENGINE FRONT OIL SEAL1997
REMOVE AND INSTALL ENGINE REAR OIL SEAL2002
METHOD FOR REMOVING ENGINE REAR OIL SEAL2002
METHOD FOR INSTALLING ENGINE REAR OIL SEAL2003
REMOVE AND INSTALL FUEL COOLER ASSEMBLY2006
METHOD FOR REMOVING FUEL COOLER ASSEMBLY2006
METHOD FOR INSTALLING FUEL COOLER ASSEMBLY2008
REMOVE AND INSTALL ENGINE HOOD ASSEMBLY2011
METHOD FOR REMOVING ENGINE HOOD ASSEMBLY2011
METHOD FOR INSTALLING ENGINE HOOD ASSEMBLY2013
REMOVE AND INSTALL KDOC ASSEMBLY2019
METHOD FOR REMOVING KDOC ASSEMBLY2019
METHOD FOR INSTALLING KDOC ASSEMBLY2021
REMOVE AND INSTALL KDOC AND SCR ASSEMBLY2024
METHOD FOR REMOVING KDOC AND SCR ASSEMBLY2024
METHOD FOR INSTALLING KDOC AND SCR ASSEMBLY2031
REMOVE AND INSTALL FUEL TANK ASSEMBLY2037
METHOD FOR REMOVING FUEL TANK ASSEMBLY2037
METHOD FOR INSTALLING FUEL TANK ASSEMBLY2042
REMOVE AND INSTALL AdBlue/DEF TANK ASSEMBLY2048
METHOD FOR REMOVING AdBlue/DEF TANK ASSEMBLY2048
METHOD FOR INSTALLING AdBlue/DEF TANK ASSEMBLY2056
REMOVE AND INSTALL AdBlue/DEF TANK SENSOR FLANGE ASSEMBLY2062
METHOD FOR REMOVING AdBlue/DEF TANK SENSOR FLANGE ASSEMBLY2062
METHOD FOR INSTALLING AdBlue/DEF TANK SENSOR FLANGE ASSEMBLY2063
REMOVE AND INSTALL AdBlue/DEF TANK SENSOR2065
METHOD FOR REMOVING AdBlue/DEF TANK SENSOR2065
METHOD FOR INSTALLING AdBlue/DEF TANK SENSOR2066
REMOVE AND INSTALL AdBlue/DEF TANK STRAINER2068
METHOD FOR REMOVING AdBlue/DEF TANK STRAINER2068
METHOD FOR INSTALLING AdBlue/DEF TANK STRAINER2068
REMOVE AND INSTALL AdBlue/DEF TANK FILLER PORT FILTER2069
METHOD FOR REMOVING AdBlue/DEF TANK FILLER PORT FILTER2069
METHOD FOR INSTALLING AdBlue/DEF TANK FILLER PORT FILTER2071
REMOVE AND INSTALL SCR ASSEMBLY2074
METHOD FOR REMOVING SCR ASSEMBLY2074
METHOD FOR INSTALLING SCR ASSEMBLY2076
REMOVE AND INSTALL KCCV ASSEMBLY2078
METHOD FOR REMOVING KCCV ASSEMBLY2078
METHOD FOR INSTALLING KCCV ASSEMBLY2079
REMOVE AND INSTALL AdBlue/DEF MIXING TUBE2081
METHOD FOR REMOVING AdBlue/DEF MIXING TUBE2081
METHOD FOR INSTALLING AdBlue/DEF MIXING TUBE2088
REMOVE AND INSTALL AdBlue/DEF INJECTOR2094
METHOD FOR REMOVING AdBlue/DEF INJECTOR2094
METHOD FOR INSTALLING AdBlue/DEF INJECTOR2097
REMOVE AND INSTALL AdBlue/DEF PUMP2100
METHOD FOR REMOVING AdBlue/DEF PUMP2100
METHOD FOR INSTALLING AdBlue/DEF PUMP2103
REMOVE AND INSTALL AdBlue/DEF HOSE2106
METHOD FOR REMOVING AdBlue/DEF HOSE2106
METHOD FOR INSTALLING AdBlue/DEF HOSE2116
REMOVE AND INSTALL AIR CLEANER ASSEMBLY2126
METHOD FOR REMOVING AIR CLEANER ASSEMBLY2126
METHOD FOR INSTALLING AIR CLEANER ASSEMBLY2127
REMOVE AND INSTALL AIR CONDITIONER COMPRESSOR ASSEMBLY2130
METHOD FOR REMOVING AIR CONDITIONER COMPRESSOR ASSEMBLY2130
METHOD FOR INSTALLING AIR CONDITIONER COMPRESSOR ASSEMBLY2132
REMOVE AND INSTALL AIR CONDITIONER CONDENSER ASSEMBLY2134
METHOD FOR REMOVING AIR CONDITIONER CONDENSER ASSEMBLY2134
METHOD FOR INSTALLING AIR CONDITIONER CONDENSER ASSEMBLY2135
POWER TRAIN2137
REMOVE AND INSTALL TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY2137
METHOD FOR REMOVING TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY2137
METHOD FOR INSTALLING TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY2138
DISASSEMBLE AND ASSEMBLE FINAL DRIVE ASSEMBLY2139
METHOD FOR DISASSEMBLING FINAL DRIVE ASSEMBLY2140
METHOD FOR ASSEMBLING FINAL DRIVE ASSEMBLY2143
REMOVE AND INSTALL SWING MOTOR AND SWING MACHINERY ASSEMBLY2151
METHOD FOR REMOVING SWING MOTOR AND SWING MACHINERY ASSEMBLY2151
METHOD FOR INSTALLING SWING MOTOR AND SWING MACHINERY ASSEMBLY2153
DISASSEMBLE AND ASSEMBLE SWING MACHINERY ASSEMBLY2156
METHOD FOR DISASSEMBLING SWING MACHINERY ASSEMBLY2156
METHOD FOR ASSEMBLING SWING MACHINERY ASSEMBLY2160
REMOVE AND INSTALL SWING CIRCLE ASSEMBLY2167
METHOD FOR REMOVING SWING CIRCLE ASSEMBLY2167
METHOD FOR INSTALLING SWING CIRCLE ASSEMBLY2167
UNDERCARRIAGE AND FRAME2169
SEPARATION AND CONNECTION OF TRACK ASSEMBLY2169
METHOD FOR SEPARATING TRACK ASSEMBLY2169
METHOD FOR INSTALLING TRACK ASSEMBLY2170
REMOVE AND INSTALL SPROCKET2173
METHOD FOR REMOVING SPROCKET2173
METHOD FOR INSTALLING SPROCKET2174
REMOVE AND INSTALL IDLER AND IDLER CUSHION ASSEMBLY2175
METHOD FOR REMOVING IDLER AND IDLER CUSHION ASSEMBLY2175
METHOD FOR INSTALLING IDLER AND IDLER CUSHION ASSEMBLY2176
DISASSEMBLE AND ASSEMBLE IDLER ASSEMBLY2177
METHOD FOR DISASSEMBLING IDLER ASSEMBLY2177
METHOD FOR ASSEMBLING IDLER ASSEMBLY2178
DISASSEMBLE AND ASSEMBLE OF IDLER CUSHION ASSEMBLY2182
METHOD FOR DISASSEMBLING IDLER CUSHION ASSEMBLY2182
METHOD FOR ASSEMBLING IDLER CUSHION ASSEMBLY2183
DISASSEMBLE AND ASSEMBLE TRACK ROLLER ASSEMBLY2185
METHOD FOR DISASSEMBLING TRACK ROLLER ASSEMBLY2185
METHOD FOR ASSEMBLING TRACK ROLLER ASSEMBLY2186
DISASSEMBLEAND ASSEMBLE CARRIER ROLLER ASSEMBLY2189
METHOD FOR DISASSEMBLING CARRIER ROLLER ASSEMBLY2189
METHOD FOR ASSEMBLING CARRIER ROLLER ASSEMBLY2191
REMOVE AND INSTALL REVOLVING FRAME ASSEMBLY2193
METHOD FOR REMOVING REVOLVING FRAME ASSEMBLY2193
METHOD FOR INSTALLING REVOLVING FRAME ASSEMBLY2196
REMOVE AND INSTALL COUNTERWEIGHT ASSEMBLY2199
METHOD FOR REMOVING COUNTERWEIGHT ASSEMBLY2199
METHOD FOR INSTALLING COUNTERWEIGHT ASSEMBLY2200
HYDRAULIC SYSTEM2203
REMOVE AND INSTALL CENTER SWIVEL JOINT ASSEMBLY2203
METHOD FOR REMOVING CENTER SWIVEL JOINT ASSEMBLY2203
METHOD FOR INSTALLING CENTER SWIVEL JOINT ASSEMBLY2206
DISASSEMBLE AND ASSEMBLE CENTER SWIVEL JOINT ASSEMBLY2209
METHOD FOR DISASSEMBLING CENTER SWIVEL JOINT ASSEMBLY2209
METHOD FOR ASSEMBLING CENTER SWIVEL JOINT ASSEMBLY2210
REMOVE AND INSTALL HYDRAULIC TANK ASSEMBLY2212
METHOD FOR REMOVING HYDRAULIC TANK ASSEMBLY2212
METHOD FOR INSTALLING HYDRAULIC TANK ASSEMBLY2219
REMOVE AND INSTALL MAIN PUMP ASSEMBLY2227
METHOD FOR REMOVING MAIN PUMP ASSEMBLY2227
METHOD FOR INSTALLING MAIN PUMP ASSEMBLY2229
REMOVE AND INSTALL CONTROL VALVE ASSEMBLY2232
METHOD FOR REMOVING CONTROL VALVE ASSEMBLY2232
METHOD FOR INSTALLING CONTROL VALVE ASSEMBLY2235
DISASSEMBLE AND ASSEMBLE CONTROL VALVE ASSEMBLY2239
METHOD FOR ASSEMBLING CONTROL VALVE ASSEMBLY2239
METHOD FOR REPLACING PRESSURE REDUCING VALVE CARTRIDGE ASSEMBLY2241
DISASSEMBLE AND ASSEMBLE WORK EQUIPMENT PPC VALVE ASSEMBLY2244
METHOD FOR DISASSEMBLING WORK EQUIPMENT PPC VALVE ASSEMBLY2244
METHOD FOR ASSEMBLING WORK EQUIPMENT PPC VALVE ASSEMBLY2245
WORK EQUIPMENT2247
REMOVE AND INSTALL WORK EQUIPMENT ASSEMBLY2247
METHOD FOR REMOVING WORK EQUIPMENT ASSEMBLY2247
METHOD FOR INSTALLING WORK EQUIPMENT ASSEMBLY2250
REMOVE AND INSTALL ANTI-DROP VALVE ASSEMBLY FOR BOOM2254
METHOD FOR REMOVING ANTI-DROP VALVE ASSEMBLY FOR BOOM2254
METHOD FOR INSTALLING ANTI-DROP VALVE ASSEMBLY FOR BOOM2256
REMOVE AND INSTALL ANTI-DROP VALVE ASSEMBLY FOR ARM2257
METHOD FOR REMOVING ANTI-DROP VALVE ASSEMBLY FOR ARM2257
METHOD FOR INSTALLING ANTI-DROP VALVE ASSEMBLY FOR ARM2259
DISASSEMBLE AND ASSEMBLE ANTI-DROP VALVE ASSEMBLY2260
METHOD FOR DISASSEMBLING ANTI-DROP VALVE ASSEMBLY2260
METHOD FOR ASSEMBLING ANTI-DROP VALVE ASSEMBLY2260
DISASSEMBLE AND ASSEMBLE WORK EQUIPMENT CYLINDER ASSEMBLY2261
METHOD FOR DISASSEMBLING WORK EQUIPMENT CYLINDER ASSEMBLY2262
METHOD FOR ASSEMBLING WORK EQUIPMENT CYLINDER ASSEMBLY2264
CAB AND ITS ATTACHMENTS2270
REMOVE AND INSTALL OPERATOR’S CAB ASSEMBLY2270
METHOD FOR REMOVING OPERATOR CAB ASSEMBLY2270
METHOD FOR INSTALLING OPERATOR CAB ASSEMBLY2277
REMOVE AND INSTALL OPERATOR CAB GLASS (ADHERED GLASS)2285
METHOD FOR REMOVING OPERATOR CAB GLASS (ADHERED GLASS)2287
METHOD FOR INSTALLING OPERATOR CAB GLASS (ADHERED GLASS)2287
REMOVE AND INSTALL FRONT WINDOW ASSEMBLY2297
METHOD FOR REMOVING FRONT WINDOW ASSEMBLY2297
METHOD FOR INSTALLING FRONT WINDOW ASSEMBLY2300
REMOVE AND INSTALL FLOOR FRAME ASSEMBLY2306
METHOD FOR REMOVING FLOOR FRAME ASSEMBLY2306
METHOD FOR INSTALLING FLOOR FRAME ASSEMBLY2310
REMOVE AND INSTALL AIR CONDITIONER UNIT ASSEMBLY2315
METHOD FOR REMOVING AIR CONDITIONER UNIT ASSEMBLY2315
METHOD FOR INSTALLING AIR CONDITIONER UNIT ASSEMBLY2319
REMOVE AND INSTALL OPERATOR’S SEAT2325
METHOD FOR REMOVING OPERATOR’S SEAT2325
METHOD FOR INSTALLING OPERATOR’S SEAT2327
REMOVE AND INSTALL SEAT BELT2330
METHOD FOR REMOVING SEAT BELT2330
METHOD FOR INSTALLING SEAT BELT2330
REMOVE AND INSTALL FRONT WIPER ASSEMBLY2332
METHOD FOR REMOVING FRONT WIPER ASSEMBLY2332
METHOD FOR INSTALLING FRONT WIPER ASSEMBLY2337
ELECTRICAL SYSTEM2346
REMOVE AND INSTALL ENGINE CONTROLLER ASSEMBLY2346
METHOD FOR REMOVING ENGINE CONTROLLER ASSEMBLY2346
METHOD FOR INSTALLING ENGINE CONTROLLER ASSEMBLY2348
REMOVE AND INSTALL PUMP CONTROLLER ASSEMBLY2351
METHOD FOR REMOVING PUMP CONTROLLER ASSEMBLY2351
METHOD FOR INSTALLING PUMP CONTROLLER ASSEMBLY2354
REMOVE AND INSTALL MACHINE MONITOR ASSEMBLY2357
METHOD FOR REMOVING MACHINE MONITOR ASSEMBLY2357
METHOD FOR INSTALLING MACHINE MONITOR ASSEMBLY2359
REMOVE AND INSTALL PUMP SWASH PLATE SENSOR2363
METHOD FOR REMOVING PUMP SWASH PLATE SENSOR2363
METHOD FOR INSTALLING PUMP SWASH PLATE SENSOR2363
REMOVE AND INSTALL MASS AIR FLOW AND TEMPERATURE SENSOR2365
METHOD FOR REMOVING MASS AIR FLOW AND TEMPERATURE SENSOR2365
METHOD FOR INSTALLING MASS AIR FLOW AND TEMPERATURE SENSOR2366
REMOVE AND INSTALL KCCV CRANKCASE PRESSURE SENSOR2368
METHOD FOR REMOVING KCCV CRANKCASE PRESSURE SENSOR2368
METHOD FOR INSTALLING KCCV CRANKCASE PRESSURE SENSOR2369
REMOVE AND INSTALL SCR TEMPERATURE SENSOR2371
METHOD FOR REMOVING SCR TEMPERATURE SENSOR2371
METHOD FOR INSTALLING SCR TEMPERATURE SENSOR2372
REMOVE AND INSTALL KOMTRAX TERMINAL ASSEMBLY2374
METHOD FOR REMOVING KOMTRAX TERMINAL ASSEMBLY2374
METHOD FOR INSTALLING KOMTRAX TERMINAL ASSEMBLY2376
60 MAINTENANCE STANDARD2379
CONTENTS2380
ABBREVIATION LIST2381
ENGINE AND COOLING SYSTEM2387
MAINTENANCE STANDARD OF ENGINE MOUNT2387
MAINTENANCE STANDARD OF COOLING SYSTEM2388
POWER TRAIN2390
MAINTENANCE STANDARD OF SWING CIRCLE2390
MAINTENANCE STANDARD OF SWING MACHINERY2391
MAINTENANCE STANDARD OF FINAL DRIVE2393
MAINTENANCE STANDARD OF SPROCKET2395
MAINTENANCE STANDARD OF SPROCKET TOOTH PROFILE FULL-SCALE DRAWING2396
UNDERCARRIAGE AND FRAME2398
MAINTENANCE STANDARD OF TRACK FRAME AND IDLER CUSHION2398
MAINTENANCE STANDARD OF IDLER2400
MAINTENANCE STANDARD OF TRACK ROLLER2402
MAINTENANCE STANDARD OF CARRIER ROLLER2403
MAINTENANCE STANDARD OF TRACK SHOE2404
MAINTENANCE STANDARD OF TRIPLE SHOE2407
HYDRAULIC SYSTEM2408
MAINTENANCE STANDARD OF HYDRAULIC TANK2408
MAINTENANCE STANDARD OF MAIN PUMP2409
MAINTENANCE STANDARD OF PC-EPC VALVE2411
MAINTENANCE STANDARD OF TRAVEL MOTOR2412
MAINTENANCE STANDARD OF CONTROL VALVE2415
MAINTENANCE STANDARD OF ANTI-DROP VALVE FOR BOOM2426
MAINTENANCE STANDARD OF ANTI-DROP VALVE FOR ARM2428
MAINTENANCE STANDARD OF WORK EQUIPMENT AND SWING PPC VALVE2430
MAINTENANCE STANDARD OF TRAVEL PPC VALVE2433
MAINTENANCE STANDARD OF 1ST-LINE ATTACHMENT PPC VALVE (WITH EPC VALVE)2436
MAINTENANCE STANDARD OF EPC VALVE OF 1ST-LINE ATTACHMENT PPC VALVE2438
MAINTENANCE STANDARD OF 2ND-LINE ATTACHMENT PPC VALVE2439
MAINTENANCE STANDARD OF SOLENOID VALVE2441
MAINTENANCE STANDARD OF ATTACHMENT CIRCUIT SELECTOR VALVE (FOR HIGH PRESSURE)2442
MAINTENANCE STANDARD OF ATTACHMENT CIRCUIT SELECTOR VALVE (FOR LOW PRESSURE)2443
MAINTENANCE STANDARD OF CENTER SWIVEL JOINT2444
WORK EQUIPMENT2445
MAINTENANCE STANDARD OF WORK EQUIPMENT LINKAGE2445
DIMENSION OF ARM2450
DIMENSIONS OF BUCKET2452
MAINTENANCE STANDARD OF BOOM CYLINDER2454
MAINTENANCE STANDARD OF ARM CYLINDER2455
MAINTENANCE STANDARD OF BUCKET CYLINDER2456
80 APPENDIX2457
CONTENTS2458
ABBREVIATION LIST2460
AIR CONDITIONER SYSTEM2466
PRECAUTIONS FOR REFRIGERANT2466
AIR CONDITIONER COMPONENT2467
SPECIFICATIONS OF AIR CONDITIONER2469
CONFIGURATION AND FUNCTION OF REFRIGERATION CYCLE2470
OUTLINE OF REFRIGERATION CYCLE2471
COMPONENT PARTS OF AIR CONDITIONER SYSTEM2473
AIR CONDITIONER UNIT2473
CONFIGURATION DIAGRAM OF AIR CONDITIONER UNIT2473
FUNCTION OF AIR CONDITIONER UNIT2475
COMPONENT PARTS OF AIR CONDITIONER UNIT2477
FUNCTION OF EVAPORATOR AS AIR CONDITIONER UNIT COMPONENT2478
FUNCTION OF HEATER CORE AS AIR CONDITIONER UNIT COMPONENT2478
FUNCTION OF EVAPORATOR TEMPERATURE SENSOR AS AIR CONDITIONER UNIT COMPONENT2478
FUNCTION OF SERVO MOTOR AS AIR CONDITIONER UNIT COMPONENT2478
STRUCTURE OF EXPANSION VALVE AS AIR CONDITIONER UNIT COMPONENT2479
FUNCTION OF EXPANSION VALVE AS AIR CONDITIONER UNIT COMPONENT2479
OPERATE EXPANSION VALVE AS AIR CONDITIONER UNIT COMPONENT2479
FUNCTION OF DUAL PRESSURE SWITCH2480
AIR CONDITIONER CONTROLLER2481
STRUCTURE OF AIR CONDITIONER CONTROLLER2481
COMPRESSOR2482
STRUCTURE OF COMPRESSOR2482
SPECIFICATIONS OF COMPRESSOR2482
FUNCTION OF COMPRESSOR2482
CONDENSER2483
STRUCTURE OF CONDENSER2483
SPECIFICATIONS OF CONDENSER2483
FUNCTION OF CONDENSER2483
SENSORS FOR AIR CONDITIONER SYSTEM2485
STRUCTURE OF SUNLIGHT SENSOR2485
FUNCTION OF SUNLIGHT SENSOR2485
STRUCTURE OF AMBIENT TEMPERATURE SENSOR2485
FUNCTION OF AMBIENT TEMPERATURE SENSOR2485
EXPLANATION OF PROCEDURE FOR TESTING AND TROUBLESHOOTING OF AIR CONDITIONER2487
CIRCUIT DIAGRAM AND ARRANGEMENT OF CONNECTOR PINS FOR AIR CONDITIONER2489
AIR CONDITIONER SYSTEM DIAGRAM2491
INPUT AND OUTPUT SIGNALS OF AIR CONDITIONER CONTROLLER2492
FUNCTION OF AIR CONDITIONER CONTROLLER2493
INSTALLATION LOCATIONS OF AIR CONDITIONER PARTS AND ARRANGEMENT OF CONNECTORS2494
TESTING AIR LEAKAGE (DUCT)2498
METHOD FOR TESTING AIR LEAKAGE (DUCT)2498
TESTING AIR CONDITIONER USING SELF-DIAGNOSIS FUNCTION2500
HOW TO OPEN THE ELECTRICAL SYSTEM ABNORMALITY RECORD SCREEN IN SERVICE MODE OF THE MACHINE MONITOR2501
TEST VENT (MODE) CHANGEOVER2502
METHOD FOR TESTING VENT (MODE) CHANGEOVER2502
TESTING FRESH/RECIRC AIR CHANGEOVER2504
METHOD FOR TESTING FRESH/RECIRC AIR CHANGEOVER2504
TEST SUNLIGHT SENSOR2505
METHOD FOR TESTING SUNLIGHT SENSOR2505
TEST (DUAL) PRESSURE SWITCH FOR REFRIGERANT2506
METHOD FOR TESTING (DUAL) PRESSURE SWITCH FOR REFRIGERANT2506
TEST RELAYS2507
METHOD FOR TESTING RELAYS2507
AIR CONDITIONER TROUBLESHOOTING CHART 12508
AIR CONDITIONER TROUBLESHOOTING CHART 22509
INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE2512
FAILURE CODE [879AKA]2514
FAILURE CODE [879AKB]2515
FAILURE CODE [879BKA]2516
FAILURE CODE [879BKB]2518
FAILURE CODE [879CKA]2520
FAILURE CODE [879CKB]2521
FAILURE CODE [879DKZ]2522
FAILURE CODE [879EMC]2524
FAILURE CODE [879FMC]2525
FAILURE CODE [879GKX]2526
A-1 TROUBLESHOOTING FOR POWER SUPPLY SYSTEM (AIR CONDITIONER DOES NOT OPERATE)2528
A-2 TROUBLESHOOTING FOR COMPRESSOR AND REFRIGERANT SYSTEM (AIR IS NOT COOLED)2530
A-3 TROUBLESHOOTING FOR BLOWER MOTOR SYSTEM (NO AIR COMES OUT OR AIR FLOW IS ABNORMAL)2533
A-4 TROUBLESHOOTING FOR FRESH/RECIRC AIR CHANGEOVER2535
TROUBLESHOOTING USING GAUGE PRESSURE2537
CONNECTION OF SERVICE TOOL2540
METHOD FOR CONNECTING SERVICE TOOL2540
PRECAUTIONS FOR DISCONNECTING AND CONNECTING HOSES AND TUBES IN AIR CONDITIONER PIPINGS2542
HANDLE COMPRESSOR OIL2544
METHOD FOR REPLACING DESICCANT2546
90 CIRCUIT DIAGRAMS2549
CONTENTS2550
ABBREVIATION LIST2551
HYDRAULIC CIRCUIT DIAGRAM2557
SYMBOLS USED IN HYDRAULIC CIRCUIT DIAGRAM2557
HYDRAULIC CIRCUIT DIAGRAM (1/2)2561
HYDRAULIC CIRCUIT DIAGRAM (2/2)2563
ELECTRICAL CIRCUIT DIAGRAM2565
SYMBOLS USED IN ELECTRICAL CIRCUIT DIAGRAM2565
ELECTRICAL CIRCUIT DIAGRAM (1/6)2569
ELECTRICAL CIRCUIT DIAGRAM (2/6)2571
ELECTRICAL CIRCUIT DIAGRAM (3/6)2573
ELECTRICAL CIRCUIT DIAGRAM (4/6)2575
ELECTRICAL CIRCUIT DIAGRAM (5/6)2577
ELECTRICAL CIRCUIT DIAGRAM (6/6)2579
ELECTRICAL CIRCUIT DIAGRAM (1/8)2581
ELECTRICAL CIRCUIT DIAGRAM (2/8)2583
ELECTRICAL CIRCUIT DIAGRAM (3/8)2585
ELECTRICAL CIRCUIT DIAGRAM (4/8)2587
ELECTRICAL CIRCUIT DIAGRAM (5/8)2589
ELECTRICAL CIRCUIT DIAGRAM (6/8)2591
ELECTRICAL CIRCUIT DIAGRAM (7/8)2593
ELECTRICAL CIRCUIT DIAGRAM (8/8)2595
INDEX2597

S.M 31/12/24