Komatsu PC360LC-11E0,PC360NLC-11E0,PC390HRD-11E0 Excavator Shop Manual PDF

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Komatsu PC360LC-11E0,PC360NLC-11E0,PC390HRD-11E0 Hydraulic Excavator Shop Manual UENBM00491 – PDF DOWNLOAD

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Komatsu PC360LC-11E0,PC360NLC-11E0,PC390HRD-11E0 Hydraulic Excavator Shop Manual UENBM00491 – PDF DOWNLOAD

Language : English
Pages : 2938
Downloadable : Yes
File Type : PDF

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Komatsu PC360LC-11E0,PC360NLC-11E0,PC390HRD-11E0 Hydraulic Excavator Shop Manual UENBM00491 – PDF DOWNLOAD

• SERIAL NUMBERS K75001 and up

00 INDEX AND FOREWORD . 3
INDEX . 4
ABBREVIATION LIST . 22
FOREWORD, SAFETY, BASIC INFORMATION . 28
HOW TO READ THE SHOP MANUAL . 28
SAFETY NOTICE FOR OPERATION . 30
PRECAUTIONS TO PREVENT FIRE . 38
ACTIONS IF FIRE OCCURS 40
PRECAUTIONS FOR DISPOSING OF WASTE MATERIALS 41
ACTIONS TAKEN TO MEET EXHAUST GAS REGULATIONS . 42
PRECAUTIONS FOR DEF . 43
GENERAL CHARACTER AND PRECAUTIONS FOR HANDLING 43
PRECAUTIONS FOR ADDING 43
PRECAUTIONS FOR STORING . 43
PRECAUTIONS FOR FIRE HAZARD AND LEAKAGE . 43
THE OTHER PRECAUTIONS . 43
STORE AdBlue/DEF 44
PRECAUTIONS FOR HANDLING HYDRAULIC EQUIPMENT 45
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF PIPINGS . 48
PRECAUTIONS FOR HANDLING ELECTRICAL EQUIPMENT . 55
PRECAUTIONS FOR HANDLING FUEL SYSTEM EQUIPMENT 57
PRECAUTIONS FOR HANDLING INTAKE SYSTEM EQUIPMENT 58
PRACTICAL USE OF KOMTRAX 59
DISCONNECT AND CONNECT PUSH-PULL TYPE COUPLER . 60
METHOD FOR DISCONNECTING AND CONNECTING TYPE 1 PUSH-PULL TYPE COUPLER . 60
METHOD FOR DISCONNECTING AND CONNECTING TYPE 2 PUSH-PULL TYPE COUPLER . 61
METHOD FOR DISCONNECTING AND CONNECTING TYPE 3 PUSH-PULL TYPE COUPLER . 62
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF CONNECTORS 64
METHOD FOR DISCONNECTING AND CONNECTING DEUTSCH CONNECTOR . 68
METHOD FOR DISCONNECTING AND CONNECTING SLIDE LOCK TYPE CONNECTOR . 69
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PULL . 71
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PUSH . 72
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH HOUSING TO ROTATE 74
HOW TO READ ELECTRICAL WIRE CODE 75
EXPLANATION OF TERMS FOR MAINTENANCE STANDARD . 79
STANDARD TIGHTENING TORQUE TABLE 82
CONVERSION TABLE 89
01 SPECIFICATIONS . 95
CONTENTS 96
ABBREVIATION LIST . 97
SPECIFICATIONS 103
SPECIFICATION DRAWING . 103
SPECIFICATION DRAWING: PC360LC-11E0, PC360NLC-11E0 103
WORKING RANGE DRAWINGS 105
WORKING RANGE: PC360LC-11E0, PC360NLC-11E0 105
SPECIFICATIONS 106
SPECIFICATIONS: PC360LC-11E0, PC360NLC-11E0 . 106
WEIGHT TABLE 109
WEIGHT TABLE: PC360LC-11E0, PC360NLC-11E0 . 109
TABLE OF FUEL, COOLANT, AND LUBRICANTS 111
SPECIFICATIONS – PC390HRD-11E0 112
SPECIFICATION DRAWING . 112
SPECIFICATION DRAWING: PC390HRD-11E0 112
SPECIFICATIONS 115
SPECIFICATIONS: PC390HRD-11E0 . 115
WEIGHT TABLE 117
WEIGHT TABLE: PC390HRD-11E0 . 117
10 STRUCTURE AND FUNCTION . 119
CONTENTS 120
ABBREVIATION LIST . 124
UREA SCR SYSTEM . 130
LAYOUT DRAWING OF UREA SCR SYSTEM . 130
UREA SCR SYSTEM DIAGRAM . 134
FUNCTION OF UREA SCR SYSTEM . 135
FUNCTION OF AdBlue/DEF SYSTEM . 135
INDUCEMENT STRATEGY . 137
COMPONENT PARTS OF UREA SCR SYSTEM 151
AdBlue/DEF MIXING TUBE 151
SCR ASSEMBLY 151
AdBlue/DEF TANK . 154
AdBlue/DEF PUMP . 156
AdBlue/DEF INJECTOR . 157
AdBlue/DEF HOSE . 158
AdBlue/DEF TANK HEATING VALVE . 159
BOOT-UP SYSTEM 160
LAYOUT DRAWING OF BOOT-UP SYSTEM 160
SYSTEM OPERATING LAMP SYSTEM 162
SYSTEM OPERATING LAMP SYSTEM DIAGRAM 162
FUNCTION OF SYSTEM OPERATING LAMP SYSTEM 162
BATTERY DISCONNECT SWITCH . 164
FUNCTION OF BATTERY DISCONNECT SWITCH . 164
ENGINE SYSTEM . 165
LAYOUT DRAWING OF ENGINE SYSTEM . 165
SPECIFICATIONS OF ENGINE SYSTEM . 166
FUNCTION OF ENGINE SYSTEM . 166
ENGINE CONTROL SYSTEM . 167
ENGINE CONTROL SYSTEM DIAGRAM . 167
FUNCTION OF ENGINE CONTROL SYSTEM . 168
AUTO-DECELERATION SYSTEM 170
AUTO-DECELERATION SYSTEM DIAGRAM 170
FUNCTION OF AUTO-DECELERATION SYSTEM 170
OPERATION OF AUTO-DECELERATION SYSTEM . 171
ENGINE AUTOMATIC WARM-UP SYSTEM . 172
ENGINE AUTOMATIC WARM-UP SYSTEM DIAGRAM . 172
FUNCTION OF ENGINE AUTOMATIC WARM-UP SYSTEM . 173
OVERHEAT PREVENTION SYSTEM 174
OVERHEAT PREVENTION SYSTEM DIAGRAM 174
FUNCTION OF OVERHEAT PREVENTION SYSTEM 175
TURBOCHARGER PROTECTION SYSTEM 176
TURBOCHARGER PROTECTION SYSTEM DIAGRAM 176
FUNCTION OF TURBOCHARGER PROTECTION SYSTEM 177
AUTOMATIC IDLE STOP SYSTEM 178
AUTOMATIC IDLE STOP SYSTEM DIAGRAM 178
FUNCTION OF AUTOMATIC IDLE STOP SYSTEM 178
COMPONENT PARTS OF ENGINE SYSTEM 181
VGT . 181
EGR SYSTEM 184
EGR VALVE . 186
EGR COOLER 188
KCCV SYSTEM . 189
KCCV VENTILATOR . 191
KDPF 192
COOLING SYSTEM 197
LAYOUT DRAWING OF COOLING SYSTEM 197
SPECIFICATIONS OF COOLING SYSTEM 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
PPC LEVERS 209
LH PPC LEVER 209
RH PPC LEVER 210
AUTOMATIC GREASE SYSTEM . 211
OUTLINE OF AUTO GREASE SYSTEM . 211
COMPONENT PARTS OF CONTROL SYSTEM . 226
MACHINE MONITOR . 226
KomVision CONTROLLER 240
KomVision CAMERA 244
KOMTRAX TERMINAL 245
PUMP CONTROLLER . 247
RESISTOR FOR PC-EPC VALVE . 251
CAN TERMINATING RESISTOR 251
PPC OIL PRESSURE SWITCH . 252
ENGINE CONTROLLER . 253
FUEL CONTROL DIAL . 260
SENSOR 262
STRUCTURE OF AMBIENT PRESSURE SENSOR 262
FUNCTION OF AMBIENT PRESSURE SENSOR . 262
STRUCTURE OF ENGINE OIL PRESSURE SWITCH . 262
FUNCTION OF ENGINE OIL PRESSURE SWITCH 263
STRUCTURE OF CHARGE (BOOST) PRESSURE AND TEMPERATURE SENSOR . 263
FUNCTION OF CHARGE (BOOST) PRESSURE AND TEMPERATURE SENSOR 263
STRUCTURE OF COOLANT TEMPERATURE SENSOR . 264
FUNCTION OF COOLANT TEMPERATURE SENSOR 264
STRUCTURE OF NE (CRANKSHAFT) SPEED SENSOR . 264
FUNCTION OF NE (CRANKSHAFT) SPEED SENSOR 265
STRUCTURE OF Bkup (CAMSHAFT) SPEED SENSOR . 265
FUNCTION OF Bkup (CAMSHAFT) SPEED SENSOR 265
STRUCTURE OF COMMON RAIL PRESSURE SENSOR 266
FUNCTION OF COMMON RAIL PRESSURE SENSOR . 266
STRUCTURE OF EGR VALVE LIFT SENSOR 266
FUNCTION OF EGR VALVE LIFT SENSOR . 266
STRUCTURE OF VGT SPEED SENSOR . 267
FUNCTION OF KVGT SPEED SENSOR . 267
STRUCTURE OF KVGT POSITION SENSOR . 267
FUNCTION OF KVGT POSITION SENSOR 268
STRUCTURE OF MASS AIR FLOW AND TEMPERATURE SENSOR . 268
STRUCTURE OF KDPF DIFFERENTIAL PRESSURE AND OUTLET PRESSURE SENSOR 269
FUNCTION OF KDPF DIFFERENTIAL PRESSURE AND OUTLET PRESSURE SENSOR . 269
STRUCTURE OF CRANKCASE PRESSURE SENSOR 269
FUNCTION OF CRANKCASE PRESSURE SENSOR . 270
STRUCTURE OF ENGINE OIL LEVEL SENSOR 270
STRUCTURE OF AIR CLEANER CLOGGING SENSOR 270
FUNCTION OF AIR CLEANER CLOGGING SENSOR . 271
STRUCTURE OF WATER-IN-FUEL SENSOR . 271
FUNCTION OF WATER-IN-FUEL SENSOR 271
STRUCTURE OF QUICK COUPLER LOW PRESSURE WARNING SWITCH 271
SPECIFICATIONS – QUICK COUPLER LOW PRESSURE WARNING SWITCH 272
FUNCTION OF QUICK COUPLER LOW PRESSURE WARNING SWITCH . 272
STRUCTURE OF AUTO GREASE PRESSURE SWITCH 272
SPECIFICATIONS – AUTO GREASE PRESSURE SWITCH 273
FUNCTION OF AUTO GREASE PRESSURE SWITCH . 273
STRUCTURE OF OVERLOAD CAUTION SENSOR 273
SPECIFICATIONS – OVERLOAD CAUTION SENSOR 273
FUNCTION OF OVERLOAD CAUTION SENSOR . 273
HYDRAULIC SYSTEM 274
LAYOUT DRAWING OF HYDRAULIC SYSTEM 274
CLSS 277
STRUCTURE OF CLSS . 277
OPERATION OF UNLOAD VALVE AND LS PRESSURE . 279
PUMP SWASH PLATE ANGLE (OIL FLOW) CONTROL . 280
PRESSURE COMPENSATION CONTROL . 293
ENGINE AND PUMP COMBINED CONTROL SYSTEM . 296
ENGINE AND PUMP COMBINED CONTROL SYSTEM DIAGRAM . 296
FUNCTION OF ENGINE AND PUMP COMBINED CONTROL SYSTEM . 297
PUMP AND VALVE CONTROL SYSTEM . 302
PUMP AND VALVE CONTROL SYSTEM DIAGRAM . 302
FUNCTION OF PUMP AND VALVE CONTROL SYSTEM . 303
COMPONENT PARTS OF HYDRAULIC SYSTEM . 305
HYDRAULIC TANK 305
MAIN PUMP . 308
CONTROL VALVE . 334
HYDRAULIC SYSTEM – PC390HRD-11E0 392
LAYOUT DRAWING OF HYDRAULIC SYSTEM 392
COMPONENT PARTS OF HYDRAULIC SYSTEM . 395
LAYOUT DRAWING OF VALVE CONTROL SYSTEM 395
WORK EQUIPMENT SYSTEM . 412
LAYOUT DRAWING OF WORK EQUIPMENT SYSTEM . 412
STRUCTURE OF VALVE CONTROL 418
ONE-TOUCH POWER MAXIMIZING SYSTEM . 420
ONE-TOUCH POWER MAXIMIZING SYSTEM DIAGRAM . 420
FUNCTION OF ONE-TOUCH POWER MAXIMIZING SYSTEM . 421
MACHINE PUSH-UP SYSTEM 422
MACHINE PUSH-UP SYSTEM DIAGRAM 422
FUNCTION OF MACHINE PUSH-UP SYSTEM 423
PPC LOCK SYSTEM . 424
PPC LOCK SYSTEM DIAGRAM . 424
FUNCTION OF PPC LOCK SYSTEM . 424
WORK EQUIPMENT AND TRAVEL AUTOMATIC LOCK SYSTEM . 425
WORK EQUIPMENT AND TRAVEL AUTOMATIC LOCK SYSTEM DIAGRAM . 425
FUNCTION OF WORK EQUIPMENT AND TRAVEL AUTOMATIC LOCK SYSTEM . 425
OPERATION OF WORK EQUIPMENT AND TRAVEL AUTOMATIC LOCK SYSTEM 426
OIL FLOW ADJUSTER SYSTEM FOR ATTACHMENT . 427
OIL FLOW ADJUSTER SYSTEM DIAGRAM FOR ATTACHMENT . 427
FUNCTION OF OIL FLOW ADJUSTER SYSTEM FOR ATTACHMENT . 428
COMPONENT PARTS OF WORK EQUIPMENT SYSTEM 429
WORK EQUIPMENT AND SWING PPC VALVE 429
1ST-LINE ATTACHMENT PPC VALVE (WITH EPC VALVE) 434
2ND-LINE ATTACHMENT PPC VALVE . 438
SOLENOID VALVE 440
ATTACHMENT CIRCUIT SELECTOR VALVE . 443
ATT EPC VALVE ASSEMBLY 446
PILOT CIRCUIT ACCUMULATOR . 447
WORK EQUIPMENT SYSTEM – PC390HRD-11E0 . 449
LAYOUT DRAWING OF WORK EQUIPMENT SYSTEM . 449
SWING SYSTEM 453
LAYOUT DRAWING OF SWING SYSTEM 453
SWING CONTROL SYSTEM DIAGRAM 456
FUNCTION OF SWING CONTROL SYSTEM 456
COMPONENT PARTS OF SWING SYSTEM . 460
SWING MOTOR . 460
SWING MACHINERY . 471
SWING CIRCLE 473
TRAVEL SYSTEM . 474
LAYOUT DRAWING OF TRAVEL SYSTEM . 474
TRAVEL CONTROL SYSTEM DIAGRAM . 478
FUNCTION OF TRAVEL CONTROL SYSTEM . 478
COMPONENT PARTS OF TRAVEL SYSTEM 480
TRAVEL MOTOR 480
FINAL DRIVE . 492
TRAVEL PPC VALVE 493
CENTER SWIVEL JOINT . 498
UNDERCARRIAGE AND FRAME . 500
LAYOUT DRAWING OF UNDERCARRIAGE . 500
SPECIFICATIONS OF UNDERCARRIAGE . 500
WORK EQUIPMENT 502
STRUCTURE OF WORK EQUIPMENT . 502
FUNCTION OF WORK EQUIPMENT 503
WORK EQUIPMENT CLEARANCE ADJUSTMENT SHIM 504
FUNCTION OF WORK EQUIPMENT CLEARANCE ADJUSTMENT SHIM 504
BUCKET CLEARANCE ADJUSTMENT SHIM 505
FUNCTION OF BUCKET CLEARANCE ADJUSTMENT SHIM 505
CAB AND ITS ATTACHMENTS . 506
ROPS CAB 506
STRUCTURE OF ROPS CAB . 506
FUNCTION OF ROPS CAB 506
CAB MOUNT . 507
STRUCTURE OF CAB MOUNT 507
FUNCTION OF CAB MOUNT . 507
CAB TIPPING STOPPER . 508
STRUCTURE OF CAB TIPPING STOPPER 508
FUNCTION OF CAB TIPPING STOPPER . 508
TILTING CAB SYSTEM 509
STRUCTURE OF TILTING CAB SYSTEM . 509
OPERATION OF TILTING CAB SYSTEM . 509
20 STANDARD VALUE TABLE . 511
CONTENTS 512
ABBREVIATION LIST . 513
STANDARD VALUE TABLE FOR ENGINE . 519
STANDARD VALUE TABLE FOR ENGINE: PC360LC-11E0, PC360NLC-11E0 519
STANDARD VALUE TABLE FOR MACHINE 524
STANDARD VALUE TABLE FOR MACHINE: PC360LC-11E0, PC360NLC-11E0 . 524
MACHINE POSTURE AND PROCEDURE FOR MEASURING PERFORMANCE . 538
STANDARD VALUE TABLE FOR MACHINE – PC390HRD-11E0 542
STANDARD VALUE FOR MACHINE: HIGH REACH DEMOLITION UNIQUE 542
MACHINE POSTURE AND PROCEDURE FOR MEASURING PERFORMANCE . 549
STANDARD VALUE TABLE FOR ELECTRICAL . 553
STANDARD VALUE TABLE FOR ELECTRICAL . 553
30 TESTING AND ADJUSTING 563
CONTENTS 564
ABBREVIATION LIST . 568
RELATED INFORMATION ON TESTING AND ADJUSTING 574
TOOLS FOR TESTING AND ADJUSTING . 574
SKETCH OF TOOLS FOR TESTING AND ADJUSTING . 581
ENGINE AND COOLING SYSTEM . 583
TEST ENGINE SPEED . 583
METHOD FOR TESTING ENGINE SPEED . 583
TEST BOOST PRESSURE . 587
METHOD FOR TESTING BOOST PRESSURE ON MACHINE MONITOR 587
METHOD FOR TESTING BOOST PRESSURE . 588
TEST EXHAUST GAS COLOR 589
METHOD FOR TESTING EXHAUST GAS COLOR BY HANDY SMOKE CHECKER . 589
METHOD FOR TESTING EXHAUST GAS COLOR BY SMOKE METER . 590
TEST AND ADJUST VALVE CLEARANCE . 591
METHOD FOR TESTING VALVE CLEARANCE 591
METHOD FOR ADJUSTING VALVE CLEARANCE 593
TEST COMPRESSION PRESSURE . 594
METHOD FOR TESTING COMPRESSION PRESSURE . 594
TEST BLOWBY PRESSURE 597
METHOD FOR TESTING BLOWBY PRESSURE 597
TEST ENGINE OIL PRESSURE 599
METHOD FOR TESTING ENGINE OIL PRESSURE 599
TEST EGR VALVE AND VGT OIL PRESSURE . 601
METHOD FOR TESTING EGR VALVE AND VGT OIL PRESSURE . 601
TEST FUEL PRESSURE 603
METHOD FOR TESTING FUEL PRESSURE 604
TEST FUEL DISCHARGE, RETURN AND LEAKAGE . 610
METHOD FOR TESTING FUEL DISCHARGE, RETURN AND LEAKAGE . 611
BLEED AIR FROM FUEL SYSTEM 617
METHOD FOR BLEEDING AIR FROM FUEL SYSTEM 617
TEST FUEL CIRCUIT FOR LEAKAGE . 618
METHOD FOR TESTING FUEL CIRCUIT FOR LEAKAGE . 618
HANDLE CYLINDER CUT-OUT MODE OPERATION 620
HANDLE NO-INJECTION CRANKING OPERATION 621
TEST AND ADJUST AIR CONDITIONER COMPRESSOR BELT TENSION . 622
METHOD FOR TESTING AIR CONDITIONER COMPRESSOR BELT TENSION 622
METHOD FOR ADJUSTING AIR CONDITIONER COMPRESSOR BELT TENSION 622
METHOD FOR ADJUSTING AIR CONDITIONER COMPRESSOR BELT 623
WRITE ASH IN SOOT ACCUMULATION CORRECTION TO ENGINE CONTROLLER 624
METHOD FOR WRITING ASH IN SOOT ACCUMULATION CORRECTION TO ENGINE CONTROLLER . 624
TEST SCR RELATED FUNCTIONS 625
TEST AdBlue/DEF PUMP RAISED PRESSURE 628
TEST INJECTION AMOUNT FROM AdBlue/DEF INJECTOR 631
TEST AdBlue/DEF LINE HEATER RELAY 1 . 635
TEST AdBlue/DEF LINE HEATER RELAY 2 . 637
TEST AdBlue/DEF PUMP HEATER RELAY . 640
TEST AdBlue/DEF TANK HEATER VALVE . 643
TEST DENITRATION EFFICIENCY OF SCR 646
CLEAN AdBlue/DEF TANK . 650
METHOD FOR CLEANING AdBlue/DEF TANK . 650
POWER TRAIN . 654
TEST SWING CIRCLE BEARING CLEARANCE . 654
METHOD FOR TESTING SWING CIRCLE BEARING CLEARANCE . 654
UNDERCARRIAGE AND FRAME . 655
TEST AND ADJUST TRACK TENSION . 655
METHOD FOR TESTING TRACK TENSION 655
METHOD FOR ADJUSTING TRACK TENSION 655
HYDRAULIC SYSTEM 657
RELEASE REMAINING PRESSURE FROM HYDRAULIC SYSTEM 657
METHOD FOR RELEASING REMAINING PRESSURE FROM HYDRAULIC TANK . 657
METHOD FOR RELEASING REMAINING PRESSURE IN HYDRAULIC CYLINDER CIRCUIT . 657
METHOD FOR RELEASING REMAINING PRESSURE FROM SWING MOTOR CIRCUIT 660
METHOD FOR RELEASING REMAINING PRESSURE FROM TRAVEL MOTOR CIRCUIT . 660
TEST AND ADJUST OIL PRESSURE IN WORK EQUIPMENT, SWING, AND TRAVEL CIRCUITS 661
METHOD FOR TESTING OIL PRESSURE IN WORK EQUIPMENT, SWING, AND TRAVEL CIRCUITS . 662
METHOD FOR ADJUSTING OIL PRESSURE IN WORK EQUIPMENT, SWING, AND TRAVEL CIRCUITS . 670
TEST OIL PRESSURE OF CONTROL CIRCUIT 674
METHOD FOR TESTING OIL PRESSURE OF CONTROL CIRCUIT 674
TEST AND ADJUST OIL PRESSURE IN PUMP PC CONTROL CIRCUIT . 676
TEST PC VALVE OUTPUT PRESSURE (SERVO PISTON INLET PRESSURE) . 676
TEST PC-EPC VALVE OUTPUT PRESSURE . 677
METHOD FOR ADJUSTING OIL PRESSURE IN PUMP PC CONTROL CIRCUIT 678
TEST AND ADJUST OIL PRESSURE IN PUMP LS CONTROL CIRCUIT . 679
METHOD FOR TESTING OIL PRESSURE WITH SENSOR ADAPTER (SPECIAL TOOL) 679
METHOD FOR TESTING LS DIFFERENTIAL PRESSURE . 680
METHOD FOR TESTING LS VALVE OUTPUT PRESSURE (SERVO PISTON INLET PRESSURE) . 682
METHOD FOR TESTING LS-EPC VALVE OUTPUT PRESSURE . 683
METHOD FOR ADJUSTING LS VALVE . 683
TEST OUTLET PRESSURE OF SOLENOID VALVE 684
METHOD FOR TESTING OUTLET PRESSURE OF SOLENOID VALVE 684
OPERATING CONDITION OF SOLENOID VALVE . 685
TEST PPC VALVE OUTPUT PRESSURE 687
METHOD FOR TESTING PPC VALVE OUTPUT PRESSURE 687
ADJUST WORK EQUIPMENT AND SWING PPC VALVES 689
METHOD FOR ADJUSTING PLAY OF WORK EQUIPMENT AND SWING PPC VALVES 689
MEASURING AND ADJUSTING QUICK COUPLER CONTROL VALVE OUTPUT PRESSURE . 690
TEST PUMP SWASH PLATE SENSOR 692
METHOD FOR TESTING PUMP SWASH PLATE SENSOR 692
TEST THE PARTS CAUSING HYDRAULIC DRIFT IN WORK EQUIPMENT 693
METHOD FOR TESTING THE PARTS CAUSING HYDRAULIC DRIFT OF BOOM CYLINDER AND BUCKET CYLINDER . 693
METHOD FOR TESTING THE PARTS CAUSING HYDRAULIC DRIFT OF ARM CYLINDER 693
METHOD FOR TESTING THE PARTS CAUSING HYDRAULIC DRIFT OF PPC VALVE . 694
TEST OIL LEAKAGE 695
METHOD FOR TESTING OIL LEAKAGE FROM BOOM CYLINDER . 695
METHOD FOR TESTING OIL LEAKAGE FROM ARM CYLINDER 695
METHOD FOR TESTING OIL LEAKAGE FROM BUCKET CYLINDER . 696
METHOD FOR TESTING OIL LEAKAGE FROM SWING MOTOR . 696
METHOD FOR TESTING OIL LEAKAGE FROM TRAVEL MOTOR 697
BLEED AIR FROM HYDRAULIC CIRCUIT 698
METHOD FOR BLEEDING AIR FROM HYDRAULIC CIRCUIT 700
HYDRAULIC SYSTEM – PC390HRD-11E0 703
MEASURING AND ADJUSTING SWING SPEED REDUCTION VALVE . 703
MEASURING AND ADJUSTING BOOM AND BUCKET PPC REDUCTION VALVE . 704
MEASURING AND ADJUSTING LINK CYLINDER FLOW CONTROL VALVE 705
MEASURING AND ADJUSTING ARM CYLINDER FLOW CONTROL VALVE . 706
CAB AND ITS ATTACHMENTS . 707
TEST CAB TIPPING STOPPER 707
METHOD FOR TESTING CAB TIPPING STOPPER 707
METHOD FOR ADJUSTING MIRRORS 708
PROCEDURE FOR ADJUSTING MACHINE LEFT FRONT MIRROR (A) . 708
PROCEDURE FOR ADJUSTING REGULAR POSITION OF MACHINE LEFT FRONT MIRROR (A) . 709
PROCEDURE FOR ADJUSTING MACHINE RIGHT FRONT MIRROR (B) 710
PROCEDURE FOR ADJUSTING REGULAR POSITION OF MACHINE RIGHT FRONT MIRROR (B) 711
PROCEDURE FOR ADJUSTING MACHINE RIGHT SIDE MIRROR (C) . 712
ELECTRICAL SYSTEM . 714
SET AND OPERATE MACHINE MONITOR . 714
OPERATOR MODE . 717
DISPLAY FUNCTION OF TECHNICIAN IDENTIFICATION STATUS SCREEN . 718
DISPLAY FUNCTION OF OPERATOR IDENTIFICATION INPUT SCREEN 718
CHECKING FUNCTION BY LCD (LIQUID CRYSTAL DISPLAY) . 719
CHECKING FUNCTION OF SERVICE METER 719
METHOD FOR SETTING USAGE LIMITATION AND CHANGING PASSWORD . 719
SERVICE MODE 722
SERVICE MODE 722
METHOD FOR CHECKING PRE-DEFINED MONITORING INFORMATION 724
METHOD FOR CHECKING SELF-DEFINE MONITORING INFORMATION 731
ABNORMALITY RECORD MENU . 741
METHOD FOR CONFIRMING MAINTENANCE RECORD 746
METHOD FOR OPERATING MAINTENANCE MODE SETTING . 747
METHOD FOR OPERATING PHONE NUMBER ENTRY SETTING . 751
DEFAULT MENU 752
DIAGNOSTIC TESTS MENU . 760
ADJUSTMENT MENU . 769
METHOD FOR PERFORMING NO-INJECTION CRANKING . 786
KOMTRAX SETTINGS MENU . 787
METHOD FOR DISPLAYING SERVICE MESSAGE . 790
METHOD FOR STARTING UP KOMTRAX TERMINAL . 792
ADJUST REARVIEW CAMERA ANGLE 797
METHOD FOR ADJUSTING REAR VIEW CAMERA ANGLE . 797
ADJUST KomVision CAMERA ANGLE . 800
METHOD FOR ADJUSTING KomVision CAMERA ANGLE . 801
ADJUST KomVision RELATED ITEMS 805
SETTING OF KomVision (MAIN SETTING) . 805
SETTING OF KomVision (CAMERA SETTING) . 807
SETTING OF KomVision (CAMERA CALIBRATION) . 808
KomVision screen – Check 12 m visibility 821
HANDLE VOLTAGE CIRCUIT OF ENGINE CONTROLLER . 824
HANDLE BATTERY DISCONNECT SWITCH 825
TEST DIODES . 826
METHOD FOR TESTING DIODE USING DIGITAL TESTER . 826
METHOD FOR TESTING DIODE USING ANALOG TESTER 826
ELECTRICAL SYSTEM – PC390HRD-11E0 . 827
ELECTRICAL CIRCUIT DIAGRAMS OF WORK EQUIPMENT SYSTEM 827
HIGH REACH DEMOLITION ELECTRICAL DIAGRAM – BASE MACHINE . 827
HIGH REACH DEMOLITION ELECTRICAL DIAGRAM – HIGH REACH DEMOLITION WORK EQUIPMENT . 830
HIGH REACH DEMOLITION ELECTRICAL DIAGRAM – EXTENDED HIGH REACH DEMOLITION WORK EQUIPMENT 832
HIGH REACH DEMOLITION ELECTRICAL DIAGRAM – MEDIUM REACH DEMOLITION WORK EQUIPMENT . 834
HIGH REACH DEMOLITION ELECTRICAL DIAGRAM – DEMOLITION DIGGING WORK EQUIPMENT 836
RH PPC LEVER 837
WORK EQUIPMENT CONFIGURATION SELECTION CIRCUIT 838
CONSTANT LINK SPEED CIRCUIT . 839
PARALLEL LINK FRONT SCREEN WIPER 840
Pm CLINIC . 841
Pm CLINIC SERVICE . 841
Pm CLINIC CHECK SHEET . 842
WORKING RANGE INDICATOR SYSTEM 856
WORKING RANGE INDICATOR SYSTEM LAYOUT . 856
METHOD FOR ACCESSING WORKING RANGE INDICATOR KOMATSU SERVICE MENU . 858
DIAGNOSTICS – WORKING RANGE INDICATOR SYSTEM 860
MONITORING SYSTEM PARAMETERS AND SENSOR STATES 860
USING THE PARAMETER CHANGE LOG 862
USING ERROR LISTS AND LOGS 863
EXPORT DATA FROM WORKING RANGE INDICATOR SYSTEM . 864
IMPORT DATA TO WORKING RANGE INDICATOR SYSTEM . 865
REPLACING COMPONENTS – WORKING RANGE INDICATOR SYSTEM . 867
WORKING RANGE INDICATOR SYSTEM ANGLE SENSOR REPLACEMENT . 867
WORKING RANGE INDICATOR SYSTEM MONITOR REPLACEMENT 872
WORKING RANGE INDICATOR SYSTEM – UDATING SOFTWARE . 877
CALIBRATION – WORKING RANGE INDICATOR SYSTEM 881
WORKING RANGE INDICATOR SYSTEM CALIBRATION OVERVIEW . 881
METHOD 1 – CALIBRATING AND CONFIRMING CALIBRATION ACCURACY – AUTO CALIBRATION . 881
METHOD 2 – BASE MACHINE SET-UP AND 2-AXIS PITCH AND ROLL SENSOR CALIBRATION . 889
METHOD 2 – CALIBRATING AND CONFIRMING CALIBRATION ACCURACY – MANUAL CALIBRATION . 892
40 TROUBLESHOOTING 907
CONTENTS 908
ABBREVIATION LIST . 919
RELATED INFORMATION ON TROUBLESHOOTING 925
GENERAL TROUBLESHOOTING POINTS 925
TROUBLESHOOTING POINTS FOR UREA SCR SYSTEM 926
SEQUENCE OF EVENTS IN TROUBLESHOOTING . 938
CHECKS BEFORE TROUBLESHOOTING . 940
INSPECTION PROCEDURE BEFORE TROUBLESHOOTING . 942
WALK-AROUND CHECK . 942
TESTING IN ACCORDANCE WITH TESTING PROCEDURE 944
CHECK FUEL LEVEL AND TYPE . 944
CHECK IMPURE INGREDIENT IN FUEL . 944
CHECK FUEL PREFILTER 945
WATER SEPARATOR – CHECK / DRAIN WATER AND SEDIMENT 945
METHOD FOR REPLACING FUEL PREFILTER CARTRIDGE . 946
CHECK MAIN FILTER . 947
CHECK ENGINE OIL LEVEL (OIL AMOUNT IN OIL PAN) 949
CHECK COOLANT LEVEL (RESERVOIR TANK) 950
CHECK CLOGGING OF AIR CLEANER . 951
OUTER ELEMENT – CLEAN . 951
ELEMENTS – REPLACE 953
CHECK HYDRAULIC OIL LEVEL . 954
CHECK HYDRAULIC OIL STRAINER 955
CHECK HYDRAULIC FILTER 956
CHECK OIL LEVEL IN SWING MACHINERY CASE . 957
CHECK OIL LEVEL IN DAMPER CASE 957
CHECK OIL LEVEL IN FINAL DRIVE CASE . 958
BLEED AIR FROM FUEL SYSTEM 958
BLEED AIR FROM HYDRAULIC SYSTEM . 958
ELECTRICAL EQUIPMENT – CHECK METHOD . 959
AUTOMATIC GREASE SYSTEM . 964
FINDING MALFUNCTIONS 964
MALFUNCTION FINDING PROCEDURES 966
PREPARATION TO TROUBLESHOOT ELECTRICAL SYSTEM . 968
PROCEDURE FOR TESTING AND TROUBLESHOOTING . 978
SYMPTOMS OF FAILURE AND TROUBLESHOOTING NUMBERS . 981
INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE 985
TROUBLESHOOTING METHOD FOR OPEN CIRCUIT IN WIRING HARNESS OF PRESSURE SENSOR SYSTEM . 987
CONNECTOR LIST AND LAYOUT . 990
CONNECTOR CONTACT IDENTIFICATION 1003
T-BRANCH BOX AND T-BRANCH ADAPTER TABLE .1043
FUSE LOCATION TABLE .1049
PRECAUTIONS FOR CLEANING AND REPLACING KDPF (KCSF and KDOC) .1052
PREPARATION OF SHORT CIRCUIT ELECTRICAL CONNECTOR (FOR FAILURE CODES [CA1883] AND [CA3135]) .1056
FAILURE CODE TABLE 1058
TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE) .1076
FAILURE CODE [879AKA] .1076
FAILURE CODE [879AKB] .1077
FAILURE CODE [879BKA] .1078
FAILURE CODE [879BKB] .1080
FAILURE CODE [879CKA] .1082
FAILURE CODE [879CKB] .1083
FAILURE CODE [879DKZ] .1084
FAILURE CODE [879EMC] .1086
FAILURE CODE [879FMC] .1087
FAILURE CODE [879GKX] .1088
FAILURE CODE [989L00] .1090
FAILURE CODE [989M00] .1091
FAILURE CODE [989N00] .1092
FAILURE CODE [A1U0N3] .1093
FAILURE CODE [A1U0N4] .1095
FAILURE CODE [A900FR] .1097
FAILURE CODE [A900N6] .1098
FAILURE CODE [A900NY] .1099
FAILURE CODE [AA10NX] .1100
FAILURE CODE [AB00KE] .1102
FAILURE CODE [AQ10N3] .1105
FAILURE CODE [AS00N3] .1107
FAILURE CODE [AS00R2] .1109
FAILURE CODE [AS00R3] .1110
FAILURE CODE [AS00R4] .1111
FAILURE CODE [AS00R5] .1112
FAILURE CODE [AS00R6] .1113
FAILURE CODE [AS00ZK] .1114
FAILURE CODE [AS10KM] .1115
FAILURE CODE [AS10NR] .1116
FAILURE CODE [AS10NT] .1117
FAILURE CODE [B@BAZG] .1118
FAILURE CODE [B@BAZK] .1119
FAILURE CODE [B@BCNS] .1121
FAILURE CODE [B@BCQA] .1122
FAILURE CODE [B@BCZK] .1124
FAILURE CODE [B@HANS] .1126
FAILURE CODE [CA115] 1127
FAILURE CODE [CA122] 1128
FAILURE CODE [CA123] 1130
FAILURE CODE [CA131] 1132
FAILURE CODE [CA132] 1134
FAILURE CODE [CA144] 1136
FAILURE CODE [CA145] 1138
FAILURE CODE [CA153] 1140
FAILURE CODE [CA154] 1143
FAILURE CODE [CA187] 1146
FAILURE CODE [CA221] 1148
FAILURE CODE [CA222] 1150
FAILURE CODE [CA227] 1152
FAILURE CODE [CA234] 1153
FAILURE CODE [CA238] 1154
FAILURE CODE [CA239] 1156
FAILURE CODE [CA249] 1158
FAILURE CODE [CA256] 1160
FAILURE CODE [CA271] 1162
FAILURE CODE [CA272] 1164
FAILURE CODE [CA281] 1166
FAILURE CODE [CA322] 1167
FAILURE CODE [CA323] 1169
FAILURE CODE [CA324] 1171
FAILURE CODE [CA325] 1173
FAILURE CODE [CA331] 1175
FAILURE CODE [CA332] 1177
FAILURE CODE [CA343] 1179
FAILURE CODE [CA351] 1180
FAILURE CODE [CA352] 1181
FAILURE CODE [CA356] 1184
FAILURE CODE [CA357] 1186
FAILURE CODE [CA386] 1188
FAILURE CODE [CA428] 1189
FAILURE CODE [CA429] 1191
FAILURE CODE [CA435] 1193
FAILURE CODE [CA441] 1195
FAILURE CODE [CA442] 1197
FAILURE CODE [CA449] 1198
FAILURE CODE [CA451] 1202
FAILURE CODE [CA452] 1205
FAILURE CODE [CA488] 1207
FAILURE CODE [CA515] 1208
FAILURE CODE [CA516] 1210
FAILURE CODE [CA553] 1212
FAILURE CODE [CA555] 1213
FAILURE CODE [CA556] 1214
FAILURE CODE [CA559] 1215
FAILURE CODE [CA595] 1219
FAILURE CODE [CA687] 1220
FAILURE CODE [CA689] 1222
FAILURE CODE [CA691] 1227
FAILURE CODE [CA692] 1229
FAILURE CODE [CA697] 1231
FAILURE CODE [CA698] 1232
FAILURE CODE [CA731] 1233
FAILURE CODE [CA778] 1235
FAILURE CODE [CA1117] .1240
FAILURE CODE [CA1664] .1241
FAILURE CODE [CA1669] .1243
FAILURE CODE [CA1673] .1244
FAILURE CODE [CA1677] .1245
FAILURE CODE [CA1678] .1246
FAILURE CODE [CA1682] .1247
FAILURE CODE [CA1683] .1249
FAILURE CODE [CA1684] .1251
FAILURE CODE [CA1686] .1253
FAILURE CODE [CA1691] .1254
FAILURE CODE [CA1694] .1257
FAILURE CODE [CA1695] .1260
FAILURE CODE [CA1696] .1261
FAILURE CODE [CA1712] .1263
FAILURE CODE [CA1713] .1266
FAILURE CODE [CA1714] .1268
FAILURE CODE [CA1715] .1269
FAILURE CODE [CA1776] .1270
FAILURE CODE [CA1777] .1273
FAILURE CODE [CA1843] .1276
FAILURE CODE [CA1844] .1278
FAILURE CODE [CA1879] .1281
FAILURE CODE [CA1881] .1284
FAILURE CODE [CA1883] .1286
FAILURE CODE [CA1885] .1289
FAILURE CODE [CA1887] .1291
FAILURE CODE [CA1921] .1293
FAILURE CODE [CA1922] .1296
FAILURE CODE [CA1942] .1301
FAILURE CODE [CA1993] .1302
FAILURE CODE [CA2185] .1305
FAILURE CODE [CA2186] .1307
FAILURE CODE [CA2249] .1309
FAILURE CODE [CA2265] .1310
FAILURE CODE [CA2266] .1312
FAILURE CODE [CA2271] .1314
FAILURE CODE [CA2272] .1317
FAILURE CODE [CA2288] .1320
FAILURE CODE [CA2311] .1321
FAILURE CODE [CA2349] .1322
FAILURE CODE [CA2353] .1325
FAILURE CODE [CA2357] .1327
FAILURE CODE [CA2381] .1328
FAILURE CODE [CA2382] .1331
FAILURE CODE [CA2383] .1334
FAILURE CODE [CA2386] .1337
FAILURE CODE [CA2387] .1339
FAILURE CODE [CA2555] .1340
FAILURE CODE [CA2556] .1342
FAILURE CODE [CA2637] .1344
FAILURE CODE [CA2639] .1346
FAILURE CODE [CA2771] .1349
FAILURE CODE [CA2777] .1355
FAILURE CODE [CA2976] .1358
FAILURE CODE [CA3133] .1360
FAILURE CODE [CA3134] .1362
FAILURE CODE [CA3135] .1364
FAILURE CODE [CA3142] .1367
FAILURE CODE [CA3143] .1368
FAILURE CODE [CA3144] .1369
FAILURE CODE [CA3146] .1371
FAILURE CODE [CA3147] .1372
FAILURE CODE [CA3148] .1373
FAILURE CODE [CA3151] .1375
FAILURE CODE [CA3165] .1381
FAILURE CODE [CA3229] .1383
FAILURE CODE [CA3231] .1385
FAILURE CODE [CA3232] .1387
FAILURE CODE [CA3235] .1391
FAILURE CODE [CA3239] .1393
FAILURE CODE [CA3241] .1396
FAILURE CODE [CA3242] .1399
FAILURE CODE [CA3251] .1402
FAILURE CODE [CA3253] .1404
FAILURE CODE [CA3254] .1407
FAILURE CODE [CA3255] .1410
FAILURE CODE [CA3256] .1414
FAILURE CODE [CA3311] .1416
FAILURE CODE [CA3312] .1418
FAILURE CODE [CA3313] .1421
FAILURE CODE [CA3314] .1422
FAILURE CODE [CA3315] .1423
FAILURE CODE [CA3316] .1425
FAILURE CODE [CA3317] .1426
FAILURE CODE [CA3318] .1427
FAILURE CODE [CA3319] .1429
FAILURE CODE [CA3321] .1430
FAILURE CODE [CA3322] .1432
FAILURE CODE [CA3419] .1434
FAILURE CODE [CA3421] .1436
FAILURE CODE [CA3497] .1438
FAILURE CODE [CA3498] .1439
FAILURE CODE [CA3543] .1440
FAILURE CODE [CA3545] .1447
FAILURE CODE [CA3547] .1449
FAILURE CODE [CA3558] .1450
FAILURE CODE [CA3559] .1452
FAILURE CODE [CA3562] .1454
FAILURE CODE [CA3563] .1456
FAILURE CODE [CA3567] .1459
FAILURE CODE [CA3568] .1462
FAILURE CODE [CA3571] .1466
FAILURE CODE [CA3572] .1468
FAILURE CODE [CA3574] .1470
FAILURE CODE [CA3575] .1472
FAILURE CODE [CA3577] .1474
FAILURE CODE [CA3578] .1476
FAILURE CODE [CA3582] .1478
FAILURE CODE [CA3583] .1484
FAILURE CODE [CA3596] .1486
FAILURE CODE [CA3649] .1488
FAILURE CODE [CA3681] .1490
FAILURE CODE [CA3682] .1495
FAILURE CODE [CA3713] .1501
FAILURE CODE [CA3717] .1504
FAILURE CODE [CA3718] .1505
FAILURE CODE [CA3725] .1506
FAILURE CODE [CA3741] .1509
FAILURE CODE [CA3748] .1510
FAILURE CODE [CA3751] .1512
FAILURE CODE [CA3755] .1514
FAILURE CODE [CA3866] .1516
FAILURE CODE [CA3867] .1520
FAILURE CODE [CA3868] .1523
FAILURE CODE [CA3899] .1527
FAILURE CODE [CA3911] .1529
FAILURE CODE [CA3912] .1533
FAILURE CODE [CA3932] .1535
FAILURE CODE [CA3933] .1537
FAILURE CODE [CA3934] .1539
FAILURE CODE [CA3935] .1542
FAILURE CODE [CA3936] .1544
FAILURE CODE [CA4151] .1546
FAILURE CODE [CA4152] .1550
FAILURE CODE [CA4155] .1554
FAILURE CODE [CA4156] .1556
FAILURE CODE [CA4157] .1559
FAILURE CODE [CA4158] .1561
FAILURE CODE [CA4159] .1562
FAILURE CODE [CA4161] .1563
FAILURE CODE [CA4162] .1566
FAILURE CODE [CA4163] .1569
FAILURE CODE [CA4164] .1571
FAILURE CODE [CA4165] .1573
FAILURE CODE [CA4166] .1575
FAILURE CODE [CA4168] .1577
FAILURE CODE [CA4169] .1580
FAILURE CODE [CA4171] .1582
FAILURE CODE [CA4249] .1585
FAILURE CODE [CA4251] .1587
FAILURE CODE [CA4259] .1589
FAILURE CODE [CA4261] .1592
FAILURE CODE [CA4277] .1595
FAILURE CODE [CA4281] .1599
FAILURE CODE [CA4459] .1602
FAILURE CODE [CA4461] .1605
FAILURE CODE [CA4658] .1608
FAILURE CODE [CA4731] .1612
FAILURE CODE [CA4732] .1613
FAILURE CODE [CA4739] .1614
FAILURE CODE [CA4768] .1615
FAILURE CODE [CA4769] .1617
FAILURE CODE [CA4842] .1620
FAILURE CODE [CA4952] .1624
FAILURE CODE [CA5115] .1626
FAILURE CODE [CA5179] .1629
FAILURE CODE [CA5181] .1631
FAILURE CODE [CA5383] .1633
FAILURE CODE [D110KB] .1635
FAILURE CODE [D19JKZ] .1637
FAILURE CODE [D811MC] .1640
FAILURE CODE [D862KA] .1641
FAILURE CODE [D8ALKA] .1642
FAILURE CODE [D8ALKB] .1644
FAILURE CODE [D8AQKR] .1646
FAILURE CODE [DA20MC] .1648
FAILURE CODE [DA22KK] .1649
FAILURE CODE [DA25KP] .1652
FAILURE CODE [DA29KQ] .1655
FAILURE CODE [DA2LKA] .1657
FAILURE CODE [DA2LKB] .1659
FAILURE CODE [DA2QKR] .1661
FAILURE CODE [DA2RKR] .1664
FAILURE CODE [DAF0KM] .1665
FAILURE CODE [DAF0MB] .1666
FAILURE CODE [DAF0MC] .1667
FAILURE CODE [DAF8KB] .1668
FAILURE CODE [DAF9KQ] .1670
FAILURE CODE [DAFGMC] .1671
FAILURE CODE [DAFLKA] .1672
FAILURE CODE [DAFLKB] .1674
FAILURE CODE [DAFQKR] .1676
FAILURE CODE [DAZ9KQ] .1677
FAILURE CODE [DAZQKR] .1678
FAILURE CODE [DBPQKR] .1683
FAILURE CODE [DBP0KM] .1688
FAILURE CODE [DBP0KT] .1689
FAILURE CODE [DBP5KB] .1690
FAILURE CODE [DBP5KY] .1693
FAILURE CODE [DB2QKR] .1696
FAILURE CODE [DB2RKR] .1701
FAILURE CODE [DDNRKA] .1706
FAILURE CODE [DDNRKY] .1708
FAILURE CODE [DDNS00] .1710
FAILURE CODE [DFB1KZ] .1712
FAILURE CODE [DFB2KZ] .1714
FAILURE CODE [DFB3L8] .1716
FAILURE CODE [DFB4L8] .1718
FAILURE CODE [DFB5KZ] .1720
FAILURE CODE [DFB6KZ] .1722
FAILURE CODE [DGH2KB] .1724
FAILURE CODE [DHA4KA] .1726
FAILURE CODE [DHAAMA] .1728
FAILURE CODE [DHACMA] .1730
FAILURE CODE [DHPAMA] .1732
FAILURE CODE [DHPBMA] .1735
FAILURE CODE [DHS3MA] .1738
FAILURE CODE [DHS4MA] .1741
FAILURE CODE [DHS8MA] .1744
FAILURE CODE [DHS9MA] .1747
FAILURE CODE [DHSAMA] .1750
FAILURE CODE [DHSBMA] .1753
FAILURE CODE [DHSCMA] .1756
FAILURE CODE [DHSDMA] .1759
FAILURE CODE [DHSFMA] .1762
FAILURE CODE [DHSGMA] .1765
FAILURE CODE [DHSHMA] .1768
FAILURE CODE [DHSJMA] .1771
FAILURE CODE [DKR0MA] .1774
FAILURE CODE [DKR1MA] .1777
FAILURE CODE [DKULKA] .1780
FAILURE CODE [DKULKB] .1782
FAILURE CODE [DKULKY] .1784
FAILURE CODE [DR10KA] .1786
FAILURE CODE [DR12KA] .1789
FAILURE CODE [DR20KA] .1791
FAILURE CODE [DR21KX] .1793
FAILURE CODE [DR30KA] .1795
FAILURE CODE [DR31KX] .1797
FAILURE CODE [DR40KA] .1799
FAILURE CODE [DUMBKA] .1801
FAILURE CODE [DUMBKB] .1803
FAILURE CODE [DV20KB] .1805
FAILURE CODE [DW43KA] .1807
FAILURE CODE [DW43KB] .1809
FAILURE CODE [DW43KY] .1811
FAILURE CODE [DW45KA] .1813
FAILURE CODE [DW45KB] .1816
FAILURE CODE [DW45KY] .1819
FAILURE CODE [DW4CKY] .1821
FAILURE CODE [DW91KA] .1822
FAILURE CODE [DW91KB] .1824
FAILURE CODE [DW91KY] .1826
FAILURE CODE [DWA2KA] .1828
FAILURE CODE [DWA2KB] .1830
FAILURE CODE [DWA2KY] .1832
FAILURE CODE [DWK0KA] .1834
FAILURE CODE [DWK0KB] .1836
FAILURE CODE [DWK0KY] .1838
FAILURE CODE [DWK2KA] .1840
FAILURE CODE [DWK2KB] .1842
FAILURE CODE [DWK2KY] .1844
FAILURE CODE [DWK8KA] .1846
FAILURE CODE [DWK8KB] .1848
FAILURE CODE [DWK8KY] .1850
FAILURE CODE [DXA8KA] .1852
FAILURE CODE [DXA8KB] .1855
FAILURE CODE [DXA9KA] .1857
FAILURE CODE [DXA9KB] .1860
FAILURE CODE [DXE0KA] .1862
FAILURE CODE [DXE0KB] .1864
FAILURE CODE [DXE4KA] .1866
FAILURE CODE [DXE4KB] .1868
FAILURE CODE [DXE4KY] .1870
FAILURE CODE [DXE5KA] .1871
FAILURE CODE [DXE5KB] .1873
FAILURE CODE [DXE6KA] .1875
FAILURE CODE [DXE6KB] .1877
FAILURE CODE [DXE7KA] .1879
FAILURE CODE [DXE7KB] .1881
FAILURE CODE [DXE7KY] .1883
FAILURE CODE [DXE8KA] .1885
FAILURE CODE [DXE8KB] .1887
FAILURE CODE [DXE8KY] .1889
FAILURE CODE [DXE9KA] .1891
FAILURE CODE [DXE9KB] .1893
FAILURE CODE [DXE9KY] .1895
FAILURE CODE [DXEAKA] .1897
FAILURE CODE [DXEAKB] .1899
FAILURE CODE [DXEAKY] .1901
FAILURE CODE [DY20KA] .1903
FAILURE CODE [DY20MA] .1906
FAILURE CODE [DY2CKB] .1908
FAILURE CODE [DY2DKB] .1911
FAILURE CODE [DY2EKB] .1913
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E-MODE) .1915
E-1 ENGINE DOES NOT START (ENGINE DOES NOT CRANK) .1915
E-2 MANUAL PREHEATING SYSTEM DOES NOT WORK 1921
E-3 AUTOMATIC PREHEATING SYSTEM DOES NOT WORK .1924
E-4 WHILE PREHEATING IS WORKING, PREHEATING MONITOR DOES NOT LIGHT UP .1926
E-5 WHEN STARTING SWITCH IS TURNED TO ON POSITION, MACHINE MONITOR DISPLAYS NOTHING .1928
E-6 WHILE STARTING SWITCH IS TURNED TO ON POSITION (WITH ENGINE STOPPED), ENGINE OIL LEVEL MONITOR LIGHTS UP IN YELLOW 1931
E-7 WHILE STARTING SWITCH IS TURNED TO ON POSITION (WITH ENGINE STOPPED), RADIATOR COOLANT LEVEL MONITOR LIGHTS UP IN YELLOW 1932
E-8 ENGINE COOLANT TEMPERATURE MONITOR LIGHTS UP IN WHITE WHILE ENGINE IS RUNNING .1933
E-9 HYDRAULIC OIL TEMPERATURE MONITOR LIGHTS UP IN WHITE WHILE ENGINE IS RUNNING 1934
E-10 AIR CLEANER CLOGGING MONITOR LIGHTS UP IN YELLOW WHILE ENGINE IS RUNNING .1935
E-11 CHARGE LEVEL MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING 1936
E-12 FUEL LEVEL MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING 1937
E-13 WATER SEPARATOR MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING .1938
E-14 ENGINE COOLANT TEMPERATURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING 1939
E-15 ENGINE OIL PRESSURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING .1940
E-16 HYDRAULIC OIL TEMPERATURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING .1941
E-17 FUEL GAUGE DISPLAY DOES NOT MOVE FROM MINIMUM OR MAXIMUM .1942
E-18 DISPLAY OF FUEL GAUGE DIFFERS FROM ACTUAL FUEL LEVEL .1944
E-19 ENGINE COOLANT TEMPERATURE GAUGE DISPLAY DOES NOT MOVE FROM MINIMUM OR MAXIMUM .1945
E-20 DISPLAY OF ENGINE COOLANT TEMPERATURE GAUGE DIFFERS FROM ACTUAL COOLANT TEMPERATURE 1946
E-21 HYDRAULIC OIL TEMPERATURE GAUGE DISPLAY DOES NOT MOVE FROM MINIMUM OR MAXIMUM 1947
E-22 DISPLAY OF HYDRAULIC OIL TEMPERATURE GAUGE DIFFERS FROM ACTUAL OIL TEMPERATURE .1949
E-23 SOME AREAS OF MACHINE MONITOR SCREEN ARE NOT DISPLAYED .1950
E-24 FUNCTION SWITCH DOES NOT OPERATE .1951
E-25 AUTOMATIC WARM-UP SYSTEM DOES NOT WORK (IN COLD WEATHER) .1952
E-26 WHEN AUTO-DECELERATOR SWITCH IS OPERATED, AUTO-DECELERATOR MONITOR DOES NOT LIGHT UP OR DOES NOT GO OFF 1953
E-27 AUTO-DECELERATOR IS NOT OPERATED OR CANCELED WITH LEVER 1954
E-28 WHEN WORKING MODE SWITCH IS OPERATED, WORKING MODE SELECTION SCREEN IS NOT DISPLAYED .1955
E-29 WHEN WORKING MODE IS CHANGED, SETTING OF ENGINE AND HYDRAULIC PUMP IS NOT CHANGED 1956
E-30 WHEN TRAVEL SPEED SWITCH IS OPERATED, TRAVEL SPEED MONITOR DOES NOT CHANGE .1957
E-31 WHEN TRAVEL SPEED SELECTION IS CHANGED, ACTUAL TRAVEL SPEED DOES NOT CHANGE 1958
E-32 ALARM BUZZER CANNOT BE CANCELED 1960
E-33 SERVICE METER IS NOT DISPLAYED, WHILE STARTING SWITCH IS IN OFF POSITION .1961
E-34 SERVICE MODE CANNOT BE SELECTED 1962
E-35 ALL OF WORK EQUIPMENTS, SWING, AND TRAVEL MECHANISM DO NOT MOVE 1963
E-36 ALL OF WORK EQUIPMENT, SWING, AND TRAVEL MECHANISM DO NOT LOCK .1965
E-37 WHEN SWING BRAKE CANCEL SWITCH IS SET TO CANCEL POSITION, MACHINE CANNOT SWING .1966
E-38 WHEN SWING BRAKE CANCEL SWITCH IS SET TO NORMAL POSITION, SWING HOLDING BRAKE DOES NOT OPERATE .1969
E-39 ONE-TOUCH POWER MAXIMIZING FUNCTION DOES NOT OPERATE PROPERLY, OR INDICATOR NOT DISPLAYED ON MONITOR .1971
E-40 ONE-TOUCH POWER MAXIMIZING FUNCTION IS NOT CANCELLED .1973
E-41 ALARM DOES NOT SOUND DURING TRAVEL .1974
E-42 ALARM DOES NOT STOP SOUNDING WHILE MACHINE IS STOPPED 1976
E-43 HORN DOES NOT SOUND 1977
E-44 HORN DOES NOT STOP SOUNDING 1981
E-45 WHEN WIPER SWITCH IS OPERATED, WIPER MONITOR DOES NOT LIGHT UP OR GO OFF .1983
E-46 WHEN WIPER SWITCH IS OPERATED, WINDSHIELD WIPER DOES NOT OPERATE .1984
E-47 WHEN WINDOW WASHER SWITCH IS OPERATED, WINDOW WASHER DOES NOT OPERATE 1986
E-48 BOOM RAISE INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION 1987
E-49 BOOM LOWER INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION 1988
E-50 ARM OUT INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION .1989
E-51 ARM IN INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION 1990
E-52 BUCKET DUMP INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION .1991
E-53 BUCKET CURL INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION .1992
E-54 SWING INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION .1993
E-55 TRAVEL INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION 1994
E-56 SERVICE INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION .1995
E-57 ATTACHMENT HYDRAULIC CIRCUIT CANNOT BE CHANGED .1997
E-58 KOMTRAX SYSTEM DOES NOT OPERATE NORMALLY .1998
E-59 MACHINE PUSH-UP FUNCTION CANNOT BE CANCELED 1999
E-60 MACHINE PUSH-UP FUNCTION DOES NOT OPERATE 2001
TROUBLESHOOTING FOR HYDRAULIC AND MECHANICAL SYSTEMS (H MODE) .2002
INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (H MODE) .2002
SYSTEM CHART OF HYDRAULIC AND MECHANICAL SYSTEMS 2003
FAILURE MODE AND CAUSE TABLE 2005
H-1 ALL WORK EQUIPMENT, SWING AND TRAVEL DO NOT WORK 2016
H-2 ALL WORK EQUIPMENT, SWING AND TRAVEL LACK SPEED AND POWER .2017
H-3 FINE CONTROL PERFORMANCE OR RESPONSE IS POOR 2020
H-4 UNUSUAL NOISE IS HEARD FROM AROUND HYDRAULIC PUMP .2021
H-5 ENGINE SPEED DROPS LARGELY OR ENGINE STOPS 2022
H-6 SPEED OR POWER OF BOOM IS LOW .2024
H-7 ARM SPEED OR POWER IS LOW .2030
H-8 BUCKET SPEED OR POWER IS LOW 2035
H-9 WORK EQUIPMENT DOES NOT MOVE IN SINGLE OPERATION 2039
H-10 HYDRAULIC DRIFT OF BOOM IS LARGE .2040
H-11 HYDRAULIC DRIFT OF ARM IS LARGE 2042
H-12 HYDRAULIC DRIFT OF BUCKET IS LARGE .2044
H-13 WHEN SINGLE WORK EQUIPMENT IS RELIEVED HYDRAULICALLY, OTHER WORK EQUIPMENT MOVES .2045
H-14 TIME LAG OF WORK EQUIPMENT IS LARGE 2046
H-15 ONE-TOUCH POWER MAXIMIZING FUNCTION DOES NOT OPERATE .2047
H-16 MACHINE PUSH-UP FUNCTION DOES NOT OPERATE 2048
H-17 ATTACHMENT CIRCUIT CANNOT BE CHANGED .2049
H-18 OIL FLOW IN ATTACHMENT CIRCUIT CANNOT BE CHANGED .2050
H-19 IN COMBINED OPERATION OF WORK EQUIPMENT, EQUIPMENT HAVING HEAVIER LOAD MOVES SLOWER 2051
H-20 IN COMBINED OPERATION OF SWING AND TRAVEL, TRAVEL SPEED DROPS LARGELY 2052
H-21 IN COMBINED OPERATION OF SWING AND BOOM RAISE, BOOM RISING SPEED IS LOW 2053
H-22 MACHINE DOES NOT TRAVEL STRAIGHT .2054
H-23 MACHINE IS NOT STEERED WELL OR STEERING POWER IS LOW .2056
H-24 TRAVEL SPEED IS LOW 2059
H-25 ONE OF TRACKS DOES NOT RUN .2061
H-26 TRAVEL SPEED DOES NOT CHANGE, OR TRAVEL SPEED IS TOO SLOW OR FAST 2063
H-27 UPPER STRUCTURE DOES NOT SWING BOTH TO THE RIGHT AND LEFT 2064
H-28 SWINGS ONLY IN ONE DIRECTION .2065
H-29 SWING ACCELERATION OR SWING SPEED IS LOW IN BOTH DIRECTIONS (RIGHT AND LEFT) .2066
H-30 SWING ACCELERATION PERFORMANCE IS POOR OR SWING SPEED IS SLOW IN ONLY ONE DIRECTION 2067
H-31 UPPER STRUCTURE OVERRUNS EXCESSIVELY WHEN IT STOPS SWINGING (BOTH RIGHT AND LEFT) 2068
H-32 UPPER STRUCTURE OVERRUNS EXCESSIVELY WHEN IT STOPS SWINGING (ONLY ONE DIRECTION EITHER RIGHT OR LEFT) 2069
H-33 SHOCK IS LARGE WHEN UPPER STRUCTURE STOPS SWINGING .2070
H-34 LARGE UNUSUAL NOISE IS HEARD WHEN UPPER STRUCTURE STOPS SWINGING .2071
H-35 SWING DRIFT ON A SLOPE IS LARGE (WHILE SWING PARKING BRAKE IS APPLIED) .2072
H-36 SWING DRIFT ON A SLOPE IS LARGE (WHILE SWING PARKING BRAKE IS RELEASED) 2073
H-37 Quick coupler cylinder will not extend .2074
H-38 Quick coupler cylinder will not retract (but buzzer doesnot sound) .2076
H-39 Buzzer does not sound (but quick coupler cylinder doesretract) .2078
H-40 Quick coupler cylinder extends and retracts slowly .2080
TROUBLESHOOTING OF ENGINE (S-MODE) 2081
INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (S MODE) .2081
S-1 ENGINE DOES NOT CRANK WHEN STARTING SWITCH IS TURNED TO START POSITION 2082
S-2 ENGINE CRANKS BUT NO EXHAUST GAS COMES OUT 2083
S-3 FUEL IS BEING INJECTED BUT ENGINE DOES NOT START (MISFIRING: ENGINE CRANKS BUT DOES NOT START) 2084
S-4 ENGINE STARTABILITY IS POOR .2086
S-5 ENGINE DOES NOT PICK UP SMOOTHLY 2088
S-6 ENGINE STOPS DURING OPERATION .2090
S-7 ENGINE RUNS ROUGH OR IS UNSTABLE 2092
S-8 ENGINE LACKS POWER 2093
S-9 KDPF GETS CLOGGED IN A SHORT TIME .2095
S-10 ENGINE OIL CONSUMPTION IS EXCESSIVE 2097
S-11 OIL BECOMES CONTAMINATED QUICKLY .2098
S-12 FUEL CONSUMPTION IS EXCESSIVE 2099
S-13 OIL IS IN COOLANT (OR COOLANT SPURTS BACK OR COOLANT LEVEL GOES DOWN) 2100
S-14 OIL PRESSURE DROPS .2101
S-15 FUEL MIXES INTO ENGINE OIL .2103
S-16 WATER MIXES INTO ENGINE OIL (MILKY) 2104
S-17 COOLANT TEMPERATURE RISES TOO HIGH (OVERHEATING) .2105
S-18 UNUSUAL NOISE IS HEARD .2106
S-19 VIBRATION IS EXCESSIVE .2107
S-20 AIR CANNOT BE BLED FROM FUEL CIRCUIT .2108
S-21 ACTIVE REGENERATION IS EXECUTED FREQUENTLY .2109
S-22 ACTIVE REGENERATION TAKES TIME .2111
S-23 WHITE SMOKE IS EXHAUSTED DURING ACTIVE REGENERATION 2112
S-24 AdBlue/DEF CONSUMPTION IS EXCESSIVE 2113
S-25 THERE IS UNUSUAL SMELL (IRRITATING ODOR) .2115
S-26 FOREIGN MATERIALS ENTER AdBlue/DEF (AdBlue/DEF INCREASES) 2116
TROUBLESHOOTING OF WORKING RANGE INDICATOR BY FAILURE CODE (IF EQUIPPED) 2117
20 SUPPLY VOLTAGE > 32VDC .2117
21 SUPPLY VOLTAGE < 12VDC .2118
25 FILE ERROR FACTORY SETTINGS 2119
26 FILE ERROR USER SETTINGS .2120
27 FILE ERROR INPUT DATA 2121
30 PROXIMITY SWITCHES DIFFERENCE 2122
86 ANGLE SENSOR A2 TIMEOUT 2123
96 ANGLE SENSOR A3/A5 TIMEOUT .2124
106 ANGLE SENSOR A4/A6 TIMEOUT 2125
116 ANGLE SENSOR PITCH TIMEOUT 2126
126 ANGLE SENSOR ROLL TIMEOUT .2127
50 DISASSEMBLY AND ASSEMBLY .2129
CONTENTS 2130
ABBREVIATION LIST .2135
RELATED INFORMATION ON DISASSEMBLY AND ASSEMBLY .2141
HOW TO READ THIS MANUAL .2141
COATING MATERIALS LIST 2143
SPECIAL TOOLS LIST 2147
SKETCHES OF SPECIAL TOOLS .2162
ENGINE AND COOLING SYSTEM .2170
REMOVE AND INSTALL SUPPLY PUMP ASSEMBLY .2170
METHOD FOR REMOVING SUPPLY PUMP ASSEMBLY 2170
METHOD FOR INSTALLING SUPPLY PUMP ASSEMBLY 2175
REMOVE AND INSTALL INJECTOR ASSEMBLY 2183
METHOD FOR REMOVING INJECTOR ASSEMBLY .2183
METHOD FOR INSTALLING INJECTOR ASSEMBLY .2190
REMOVE AND INSTALL CYLINDER HEAD ASSEMBLY .2202
METHOD FOR REMOVING CYLINDER HEAD ASSEMBLY 2203
METHOD FOR INSTALLING CYLINDER HEAD ASSEMBLY 2212
REMOVE AND INSTALL EGR VALVE ASSEMBLY .2230
METHOD FOR REMOVING EGR VALVE ASSEMBLY 2230
METHOD FOR INSTALLING EGR VALVE ASSEMBLY 2231
REMOVE AND INSTALL EGR COOLER ASSEMBLY 2233
METHOD FOR REMOVING EGR COOLER ASSEMBLY .2233
METHOD FOR INSTALLING EGR COOLER ASSEMBLY .2234
REMOVE AND INSTALL STARTER ASSEMBLY .2237
METHOD FOR REMOVING STARTER ASSEMBLY 2237
METHOD FOR INSTALLING STARTER ASSEMBLY 2238
REMOVE AND INSTALL ALTERNATOR BELT 2239
METHOD FOR REMOVING ALTERNATOR BELT .2239
METHOD FOR INSTALLING ALTERNATOR BELT .2242
REMOVE AND INSTALL RADIATOR ASSEMBLY 2245
METHOD FOR REMOVING RADIATOR ASSEMBLY .2245
METHOD FOR INSTALLING RADIATOR ASSEMBLY .2247
REMOVE AND INSTALL HYDRAULIC OIL COOLER ASSEMBLY 2249
METHOD FOR REMOVING HYDRAULIC OIL COOLER ASSEMBLY .2249
METHOD FOR INSTALLING HYDRAULIC OIL COOLER ASSEMBLY .2251
REMOVE AND INSTALL AFTERCOOLER ASSEMBLY .2254
METHOD FOR REMOVING AFTERCOOLER ASSEMBLY 2254
METHOD FOR INSTALLING AFTERCOOLER ASSEMBLY 2255
REMOVE AND INSTALL ENGINE AND MAIN PUMP ASSEMBLY 2257
METHOD FOR REMOVING ENGINE AND MAIN PUMP ASSEMBLY .2258
METHOD FOR INSTALLING ENGINE AND MAIN PUMP ASSEMBLY .2270
REMOVE AND INSTALL ENGINE FRONT OIL SEAL 2285
METHOD FOR REMOVING ENGINE FRONT OIL SEAL .2285
METHOD FOR INSTALLING ENGINE FRONT OIL SEAL .2289
REMOVE AND INSTALL ENGINE REAR OIL SEAL .2293
METHOD FOR REMOVING ENGINE REAR OIL SEAL 2294
METHOD FOR INSTALLING ENGINE REAR OIL SEAL 2295
REMOVE AND INSTALL ENGINE HOOD ASSEMBLY .2302
METHOD FOR REMOVING ENGINE HOOD ASSEMBLY 2302
METHOD FOR INSTALLING ENGINE HOOD ASSEMBLY 2303
REMOVE AND INSTALL FUEL TANK ASSEMBLY .2306
METHOD FOR REMOVING FUEL TANK ASSEMBLY 2306
METHOD FOR INSTALLING FUEL TANK ASSEMBLY 2310
REMOVE AND INSTALL AdBlue/DEF TANK ASSEMBLY .2313
METHOD FOR REMOVING AdBlue/DEF TANK ASSEMBLY 2313
METHOD FOR INSTALLING AdBlue/DEF TANK ASSEMBLY 2319
REMOVE AND INSTALL AdBlue/DEF TANK SENSOR FLANGE ASSEMBLY .2325
METHOD FOR REMOVING AdBlue/DEF TANK SENSOR FLANGE ASSEMBLY 2325
METHOD FOR INSTALLING AdBlue/DEF TANK SENSOR FLANGE ASSEMBLY 2332
REMOVE AND INSTALL AdBlue/DEF TANK SENSOR .2337
METHOD FOR REMOVING AdBlue/DEF TANK SENSOR 2337
METHOD FOR INSTALLING AdBlue/DEF TANK SENSOR 2337
REMOVE AND INSTALL AdBlue/DEF TANK STRAINER .2339
METHOD FOR REMOVING AdBlue/DEF TANK STRAINER 2339
METHOD FOR INSTALLING AdBlue/DEF TANK STRAINER 2339
REMOVE AND INSTALL AdBlue/DEF TANK FILLER PORT FILTER .2340
METHOD FOR REMOVING AdBlue/DEF TANK FILLER PORT FILTER 2340
METHOD FOR INSTALLING AdBlue/DEF TANK FILLER PORT FILTER 2342
REMOVE AND INSTALL KDPF ASSEMBLY 2345
METHOD FOR REMOVING KDPF ASSEMBLY .2345
METHOD FOR INSTALLING KDPF ASSEMBLY .2348
DISASSEMBLE AND ASSEMBLE OF KDPF ASSEMBLY .2352
METHOD FOR DISASSEMBLING KDPF ASSEMBLY 2353
METHOD FOR ASSEMBLING KDPF ASSEMBLY .2356
REMOVE AND INSTALL SCR ASSEMBLY .2361
METHOD FOR REMOVING SCR ASSEMBLY 2361
METHOD FOR INSTALLING SCR ASSEMBLY 2364
REMOVE AND INSTALL KDPF, SCR ASSEMBLY .2367
METHOD FOR REMOVING KDPF, SCR ASSEMBLY 2368
METHOD FOR INSTALLING KDPF, SCR ASSEMBLY 2374
REMOVE AND INSTALL KDPF, SCR ASSEMBLY BRACKET .2381
METHOD FOR REMOVING KDPF, SCR ASSEMBLY BRACKET 2381
METHOD FOR INSTALLING KDPF, SCR ASSEMBLY BRACKET 2384
REMOVE AND INSTALL KCCV ASSEMBLY 2389
METHOD FOR REMOVING KCCV ASSEMBLY .2389
METHOD FOR INSTALLING KCCV ASSEMBLY .2390
REMOVE AND INSTALL AdBlue/DEF MIXING TUBE .2392
METHOD FOR REMOVING AdBlue/DEF MIXING TUBE 2393
METHOD FOR INSTALLING AdBlue/DEF MIXING TUBE 2396
REMOVE AND INSTALL AdBlue/DEF INJECTOR 2400
METHOD FOR REMOVING AdBlue/DEF INJECTOR .2400
METHOD FOR INSTALLING AdBlue/DEF INJECTOR .2403
REMOVE AND INSTALL AdBlue/DEF PUMP 2407
METHOD FOR REMOVING AdBlue/DEF PUMP .2407
METHOD FOR INSTALLING AdBlue/DEF PUMP .2410
REMOVE AND INSTALL AdBlue/DEF HOSE 2412
METHOD FOR REMOVING AdBlue/DEF HOSE .2413
METHOD FOR INSTALLING AdBlue/DEF HOSE .2419
REMOVE AND INSTALL AIR CLEANER ASSEMBLY .2427
METHOD FOR REMOVING AIR CLEANER ASSEMBLY 2427
METHOD FOR INSTALLING AIR CLEANER ASSEMBLY 2429
REMOVE AND INSTALL AIR CONDITIONER COMPRESSOR ASSEMBLY 2431
METHOD FOR REMOVING AIR CONDITIONER COMPRESSOR ASSEMBLY .2431
METHOD FOR INSTALLING AIR CONDITIONER COMPRESSOR ASSEMBLY .2432
REMOVE AND INSTALL AIR CONDITIONER CONDENSER ASSEMBLY .2434
METHOD FOR REMOVING AIR CONDITIONER CONDENSER ASSEMBLY 2434
METHOD FOR INSTALLING AIR CONDITIONER CONDENSER ASSEMBLY 2435
POWER TRAIN .2436
REMOVE AND INSTALL TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY 2436
METHOD FOR REMOVING TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY .2436
METHOD FOR INSTALLING TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY .2437
DISASSEMBLE AND ASSEMBLE FINAL DRIVE ASSEMBLY .2439
METHOD FOR DISASSEMBLING FINAL DRIVE ASSEMBLY .2440
METHOD FOR ASSEMBLING FINAL DRIVE ASSEMBLY 2444
REMOVE AND INSTALL SWING MOTOR AND SWING MACHINERY ASSEMBLY .2452
METHOD FOR REMOVING SWING MOTOR AND SWING MACHINERY ASSEMBLY 2452
METHOD FOR INSTALLING SWING MOTOR AND SWING MACHINERY ASSEMBLY 2453
DISASSEMBLE AND ASSEMBLE SWING MACHINERY ASSEMBLY .2455
METHOD FOR DISASSEMBLING SWING MACHINERY ASSEMBLY .2455
METHOD FOR ASSEMBLING SWING MACHINERY ASSEMBLY 2458
REMOVE AND INSTALL SWING CIRCLE ASSEMBLY 2466
METHOD FOR REMOVING SWING CIRCLE ASSEMBLY .2466
METHOD FOR INSTALLING SWING CIRCLE ASSEMBLY .2466
UNDERCARRIAGE AND FRAME .2468
SEPARATION AND CONNECTION OF TRACK ASSEMBLY .2468
METHOD FOR SEPARATING TRACK ASSEMBLY 2468
METHOD FOR INSTALLING TRACK ASSEMBLY 2470
REMOVE AND INSTALL SPROCKET .2473
METHOD FOR REMOVING SPROCKET 2473
METHOD FOR INSTALLING SPROCKET 2473
REMOVE AND INSTALL IDLER AND IDLER CUSHION ASSEMBLY .2475
METHOD FOR REMOVING IDLER AND IDLER CUSHION ASSEMBLY 2475
METHOD FOR INSTALLING IDLER AND IDLER CUSHION ASSEMBLY 2476
DISASSEMBLE AND ASSEMBLE IDLER ASSEMBLY .2477
METHOD FOR DISASSEMBLING IDLER ASSEMBLY .2477
METHOD FOR ASSEMBLING IDLER ASSEMBLY 2478
DISASSEMBLE AND ASSEMBLE OF IDLER CUSHION ASSEMBLY 2482
METHOD FOR DISASSEMBLING IDLER CUSHION ASSEMBLY .2483
METHOD FOR ASSEMBLING IDLER CUSHION ASSEMBLY 2483
DISASSEMBLE AND ASSEMBLE TRACK ROLLER ASSEMBLY 2485
METHOD FOR DISASSEMBLING TRACK ROLLER ASSEMBLY 2486
METHOD FOR ASSEMBLING TRACK ROLLER ASSEMBLY .2487
DISASSEMBLEAND ASSEMBLE CARRIER ROLLER ASSEMBLY .2489
METHOD FOR DISASSEMBLING CARRIER ROLLER ASSEMBLY 2489
METHOD FOR ASSEMBLING CARRIER ROLLER ASSEMBLY .2490
REMOVE AND INSTALL REVOLVING FRAME ASSEMBLY .2493
METHOD FOR REMOVING REVOLVING FRAME ASSEMBLY 2493
METHOD FOR INSTALLING REVOLVING FRAME ASSEMBLY 2495
METHOD FOR INSTALLING REVOLVING FRAME ASSEMBLY – PC390HRD-11E0 2497
REMOVE AND INSTALL COUNTERWEIGHT ASSEMBLY .2498
METHOD FOR REMOVING COUNTERWEIGHT ASSEMBLY 2498
METHOD FOR INSTALLING COUNTERWEIGHT ASSEMBLY 2499
HYDRAULIC SYSTEM 2502
REMOVE AND INSTALL CENTER SWIVEL JOINT ASSEMBLY .2502
METHOD FOR REMOVING CENTER SWIVEL JOINT ASSEMBLY 2502
METHOD FOR INSTALLING CENTER SWIVEL JOINT ASSEMBLY 2503
DISASSEMBLE AND ASSEMBLE CENTER SWIVEL JOINT ASSEMBLY .2506
METHOD FOR DISASSEMBLING CENTER SWIVEL JOINT ASSEMBLY .2507
METHOD FOR ASSEMBLING CENTER SWIVEL JOINT ASSEMBLY 2508
REMOVE AND INSTALL HYDRAULIC TANK ASSEMBLY 2509
METHOD FOR REMOVING HYDRAULIC TANK ASSEMBLY .2509
METHOD FOR INSTALLING HYDRAULIC TANK ASSEMBLY .2513
REMOVE AND INSTALL MAIN PUMP ASSEMBLY .2517
METHOD FOR REMOVING MAIN PUMP ASSEMBLY 2517
METHOD FOR INSTALLING MAIN PUMP ASSEMBLY 2520
REMOVE AND INSTALL CONTROL VALVE ASSEMBLY .2523
METHOD FOR REMOVING CONTROL VALVE ASSEMBLY 2523
METHOD FOR INSTALLING CONTROL VALVE ASSEMBLY 2530
DISASSEMBLE AND ASSEMBLE CONTROL VALVE ASSEMBLY .2537
METHOD FOR REPLACING PRESSURE COMPENSATION VALVE SEAL RING 2538
METHOD FOR ASSEMBLING CONTROL VALVE ASSEMBLY 2539
DISASSEMBLE AND ASSEMBLE WORK EQUIPMENT PPC VALVE ASSEMBLY 2544
METHOD FOR DISASSEMBLING WORK EQUIPMENT PPC VALVE ASSEMBLY 2544
METHOD FOR ASSEMBLING WORK EQUIPMENT PPC VALVE ASSEMBLY .2545
DISASSEMBLE AND ASSEMBLE TRAVEL PPC VALVE ASSEMBLY 2547
METHOD FOR DISASSEMBLING TRAVEL PPC VALVE ASSEMBLY 2547
METHOD FOR ASSEMBLING TRAVEL PPC VALVE ASSEMBLY .2548
REMOVE AND INSTALL QUICK COUPLER VALVE 2550
WORK EQUIPMENT 2552
REMOVE AND INSTALL BUCKET ASSEMBLY 2552
METHOD FOR REMOVING BUCKET ASSEMBLY .2552
METHOD FOR INSTALLING BUCKET ASSEMBLY .2552
REMOVE AND INSTALL ARM ASSEMBLY .2554
METHOD FOR REMOVING ARM ASSEMBLY 2554
METHOD FOR INSTALLING ARM ASSEMBLY 2555
REMOVE AND INSTALL WORK EQUIPMENT ASSEMBLY 2557
METHOD FOR REMOVING WORK EQUIPMENT ASSEMBLY .2557
METHOD FOR INSTALLING WORK EQUIPMENT ASSEMBLY .2560
DISASSEMBLE AND ASSEMBLE WORK EQUIPMENT CYLINDER ASSEMBLY .2563
METHOD FOR DISASSEMBLING WORK EQUIPMENT CYLINDER ASSEMBLY .2563
METHOD FOR ASSEMBLING WORK EQUIPMENT CYLINDER ASSEMBLY 2566
CAB AND ITS ATTACHMENTS .2573
REMOVE AND INSTALL OPERATOR’S CAB ASSEMBLY 2573
METHOD FOR REMOVING OPERATOR’S CAB ASSEMBLY .2573
METHOD FOR INSTALLING OPERATOR’S CAB ASSEMBLY .2581
REMOVE AND INSTALL OPERATOR CAB GLASS (ADHERED GLASS) .2588
METHOD FOR REMOVING OPERATOR CAB GLASS (ADHERED GLASS) 2590
METHOD FOR INSTALLING OPERATOR CAB GLASS (ADHERED GLASS) 2590
REMOVE AND INSTALL FRONT WINDOW ASSEMBLY 2600
METHOD FOR REMOVING FRONT WINDOW ASSEMBLY .2600
METHOD FOR INSTALLING FRONT WINDOW ASSEMBLY .2603
REMOVE AND INSTALL FLOOR FRAME ASSEMBLY .2609
METHOD FOR REMOVING FLOOR FRAME ASSEMBLY 2610
METHOD FOR INSTALLING FLOOR FRAME ASSEMBLY 2616
REMOVE AND INSTALL AIR CONDITIONER UNIT ASSEMBLY 2624
METHOD FOR REMOVING AIR CONDITIONER UNIT ASSEMBLY .2624
METHOD FOR INSTALLING AIR CONDITIONER UNIT ASSEMBLY .2630
REMOVE AND INSTALL OPERATOR’S SEAT 2636
METHOD FOR REMOVING OPERATOR’S SEAT .2636
METHOD FOR INSTALLING OPERATOR’S SEAT .2638
REMOVE AND INSTALL SEAT BELT 2641
METHOD FOR REMOVING SEAT BELT .2641
METHOD FOR INSTALLING SEAT BELT .2642
REMOVE AND INSTALL FRONT WIPER ASSEMBLY .2643
METHOD FOR REMOVING FRONT WIPER ASSEMBLY 2643
METHOD FOR INSTALLING FRONT WIPER ASSEMBLY 2648
ELECTRICAL SYSTEM .2657
REMOVE AND INSTALL ENGINE CONTROLLER ASSEMBLY .2657
METHOD FOR REMOVING ENGINE CONTROLLER ASSEMBLY 2657
METHOD FOR INSTALLING ENGINE CONTROLLER ASSEMBLY 2659
REMOVE AND INSTALL PUMP CONTROLLER ASSEMBLY .2663
METHOD FOR REMOVING PUMP CONTROLLER ASSEMBLY 2663
METHOD FOR INSTALLING PUMP CONTROLLER ASSEMBLY 2666
REMOVE AND INSTALL KomVision CONTROLLER ASSEMBLY 2670
METHOD FOR REMOVING KomVision CONTROLLER ASSEMBLY .2670
METHOD FOR INSTALLING KomVision CONTROLLER 2671
REMOVE AND INSTALL MACHINE MONITOR ASSEMBLY .2672
METHOD FOR REMOVING MACHINE MONITOR ASSEMBLY 2672
METHOD FOR INSTALLING MACHINE MONITOR ASSEMBLY 2675
REMOVE AND INSTALL PUMP SWASH PLATE SENSOR 2679
METHOD FOR REMOVING PUMP SWASH PLATE SENSOR .2679
METHOD FOR INSTALLING PUMP SWASH PLATE SENSOR .2679
REMOVE AND INSTALL MASS AIR FLOW AND TEMPERATURE SENSOR .2681
METHOD FOR REMOVING MASS AIR FLOW AND TEMPERATURE SENSOR 2681
METHOD FOR INSTALLING MASS AIR FLOW AND TEMPERATURE SENSOR 2682
REMOVE AND INSTALL KCCV CRANKCASE PRESSURE SENSOR .2683
METHOD FOR REMOVING KCCV CRANKCASE PRESSURE SENSOR 2683
METHOD FOR INSTALLING KCCV CRANKCASE PRESSURE SENSOR 2684
REMOVE AND INSTALL SCR TEMPERATURE SENSOR .2685
METHOD FOR REMOVING SCR TEMPERATURE SENSOR 2685
METHOD FOR INSTALLING SCR TEMPERATURE SENSOR 2686
REMOVE AND INSTALL REARVIEW CAMERA 2688
METHOD FOR REMOVING REARVIEW CAMERA .2688
METHOD FOR INSTALLING REARVIEW CAMERA .2689
REMOVE AND INSTALL KomVision CAMERA .2691
METHOD FOR REMOVING KomVision CAMERA 2691
METHOD FOR INSTALLING KomVision CAMERA 2692
REMOVE AND INSTALL KOMTRAX TERMINAL ASSEMBLY 2694
METHOD FOR REMOVING KOMTRAX TERMINAL ASSEMBLY .2694
METHOD FOR INSTALLING KOMTRAX TERMINAL ASSEMBLY .2697
60 MAINTENANCE STANDARD .2701
CONTENTS 2702
ABBREVIATION LIST .2703
ENGINE AND COOLING SYSTEM .2709
MAINTENANCE STANDARD OF ENGINE MOUNT 2709
MAINTENANCE STANDARD OF COOLING SYSTEM 2711
POWER TRAIN .2713
MAINTENANCE STANDARD OF SWING CIRCLE 2713
MAINTENANCE STANDARD OF SWING MACHINERY .2714
MAINTENANCE STANDARD OF FINAL DRIVE .2716
MAINTENANCE STANDARD OF SPROCKET 2718
MAINTENANCE STANDARD OF SPROCKET TOOTH PROFILE FULL-SCALE DRAWING .2719
UNDERCARRIAGE AND FRAME .2721
MAINTENANCE STANDARD OF TRACK FRAME AND IDLER CUSHION .2721
MAINTENANCE STANDARD OF IDLER .2723
MAINTENANCE STANDARD OF TRACK ROLLER 2725
MAINTENANCE STANDARD OF CARRIER ROLLER 2727
MAINTENANCE STANDARD OF TRACK SHOE 2728
MAINTENANCE STANDARD OF TRIPLE SHOE .2731
HYDRAULIC SYSTEM 2732
MAINTENANCE STANDARD OF HYDRAULIC TANK 2732
MAINTENANCE STANDARD OF MAIN PUMP .2733
MAINTENANCE STANDARD OF SWING MOTOR .2735
MAINTENANCE STANDARD OF TRAVEL MOTOR 2738
MAINTENANCE STANDARD OF CONTROL VALVE .2741
MAINTENANCE STANDARD OF WORK EQUIPMENT AND SWING PPC VALVE 2751
MAINTENANCE STANDARD OF TRAVEL PPC VALVE 2754
MAINTENANCE STANDARD OF 1ST-LINE ATTACHMENT PPC VALVE (WITH EPC VALVE) 2757
MAINTENANCE STANDARD OF EPC VALVE OF 1ST-LINE ATTACHMENT PPC VALVE 2759
MAINTENANCE STANDARD OF 2ND-LINE ATTACHMENT PPC VALVE .2760
MAINTENANCE STANDARD OF SOLENOID VALVE 2762
MAINTENANCE STANDARD OF HYDRAULIC DRIFT PREVENTION VALVE 2763
MAINTENANCE STANDARD OF ATTACHMENT CIRCUIT SELECTOR VALVE .2765
MAINTENANCE STANDARD OF CENTER SWIVEL JOINT .2766
WORK EQUIPMENT 2767
MAINTENANCE STANDARD OF WORK EQUIPMENT LINKAGE 2767
DIMENSION OF ARM 2772
DIMENSIONS OF BUCKET 2774
MAINTENANCE STANDARD OF BOOM CYLINDER .2776
MAINTENANCE STANDARD OF ARM CYLINDER 2777
MAINTENANCE STANDARD OF BUCKET CYLINDER .2778
WORK EQUIPMENT – PC390HRD-11E0 2779
WORK EQUIPMENT – HIGH REACH DEMOLITION 2779
DIMENSION OF ARM 2779
MAINTENANCE STANDARD OF BOOM CYLINDER .2780
MAINTENANCE STANDARD OF LINK CYLINDER .2781
MAINTENANCE STANDARD OF ARM CYLINDER 2782
MAINTENANCE STANDARD OF BUCKET CYLINDER .2783
WORK EQUIPMENT – DEMOLITION DIGGING .2784
MAINTENANCE STANDARD OF ARM CYLINDER 2784
MAINTENANCE STANDARD OF BUCKET CYLINDER .2785
80 APPENDIX .2787
CONTENTS 2788
ABBREVIATION LIST .2790
AIR CONDITIONER SYSTEM 2796
PRECAUTIONS FOR REFRIGERANT .2796
AIR CONDITIONER COMPONENT .2797
SPECIFICATIONS OF AIR CONDITIONER .2799
CONFIGURATION AND FUNCTION OF REFRIGERATION CYCLE .2800
OUTLINE OF REFRIGERATION CYCLE 2801
COMPONENT PARTS OF AIR CONDITIONER SYSTEM .2803
AIR CONDITIONER UNIT 2803
CONFIGURATION DIAGRAM OF AIR CONDITIONER UNIT .2803
FUNCTION OF AIR CONDITIONER UNIT 2805
COMPONENT PARTS OF AIR CONDITIONER UNIT .2807
FUNCTION OF EVAPORATOR AS AIR CONDITIONER UNIT COMPONENT 2808
FUNCTION OF HEATER CORE AS AIR CONDITIONER UNIT COMPONENT .2808
FUNCTION OF EVAPORATOR TEMPERATURE SENSOR AS AIR CONDITIONER UNIT COMPONENT .2808
FUNCTION OF SERVO MOTOR AS AIR CONDITIONER UNIT COMPONENT .2808
STRUCTURE OF EXPANSION VALVE AS AIR CONDITIONER UNIT COMPONENT 2809
FUNCTION OF EXPANSION VALVE AS AIR CONDITIONER UNIT COMPONENT .2809
OPERATE EXPANSION VALVE AS AIR CONDITIONER UNIT COMPONENT .2809
FUNCTION OF DUAL PRESSURE SWITCH 2810
AIR CONDITIONER CONTROLLER 2811
STRUCTURE OF AIR CONDITIONER CONTROLLER .2811
COMPRESSOR 2812
STRUCTURE OF COMPRESSOR .2812
SPECIFICATIONS OF COMPRESSOR 2812
FUNCTION OF COMPRESSOR 2812
CONDENSER .2813
STRUCTURE OF CONDENSER 2813
SPECIFICATIONS OF CONDENSER .2813
FUNCTION OF CONDENSER .2813
RECEIVER DRIER 2814
STRUCTURE OF RECEIVER DRIER .2814
SPECIFICATIONS OF RECEIVER DRIER 2814
FUNCTION OF RECEIVER DRIER 2814
SENSORS FOR AIR CONDITIONER SYSTEM 2815
STRUCTURE OF SUNLIGHT SENSOR 2815
FUNCTION OF SUNLIGHT SENSOR .2815
STRUCTURE OF AMBIENT TEMPERATURE SENSOR .2815
FUNCTION OF AMBIENT TEMPERATURE SENSOR 2815
EXPLANATION OF PROCEDURE FOR TESTING AND TROUBLESHOOTING OF AIR CONDITIONER .2817
CIRCUIT DIAGRAM AND ARRANGEMENT OF CONNECTOR PINS FOR AIR CONDITIONER .2819
AIR CONDITIONER SYSTEM DIAGRAM 2821
INPUT AND OUTPUT SIGNALS OF AIR CONDITIONER CONTROLLER 2822
FUNCTION OF AIR CONDITIONER CONTROLLER 2823
INSTALLATION LOCATIONS OF AIR CONDITIONER PARTS AND ARRANGEMENT OF CONNECTORS .2824
TESTING AIR LEAKAGE (DUCT) 2828
METHOD FOR TESTING AIR LEAKAGE (DUCT) .2828
TESTING AIR CONDITIONER USING SELF-DIAGNOSIS FUNCTION .2830
HOW TO OPEN THE ELECTRICAL SYSTEM ABNORMALITY RECORD SCREEN IN SERVICE MODE OF THE MACHINE MONITOR 2831
TEST VENT (MODE) CHANGEOVER .2832
METHOD FOR TESTING VENT (MODE) CHANGEOVER .2832
TESTING FRESH/RECIRC AIR CHANGEOVER .2834
METHOD FOR TESTING FRESH/RECIRC AIR CHANGEOVER 2834
TEST SUNLIGHT SENSOR 2835
METHOD FOR TESTING SUNLIGHT SENSOR 2835
TEST (DUAL) PRESSURE SWITCH FOR REFRIGERANT .2836
METHOD FOR TESTING (DUAL) PRESSURE SWITCH FOR REFRIGERANT .2836
TEST RELAYS .2837
METHOD FOR TESTING RELAYS .2837
AIR CONDITIONER TROUBLESHOOTING CHART 1 .2838
AIR CONDITIONER TROUBLESHOOTING CHART 2 .2839
INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE 2842
FAILURE CODE [879AKA] .2844
FAILURE CODE [879AKB] .2845
FAILURE CODE [879BKA] .2846
FAILURE CODE [879BKB] .2848
FAILURE CODE [879CKA] .2850
FAILURE CODE [879CKB] .2851
FAILURE CODE [879DKZ] .2852
FAILURE CODE [879EMC] .2854
FAILURE CODE [879FMC] .2855
FAILURE CODE [879GKX] .2856
A-1 TROUBLESHOOTING FOR POWER SUPPLY SYSTEM (AIR CONDITIONER DOES NOT OPERATE) 2858
A-2 TROUBLESHOOTING FOR COMPRESSOR AND REFRIGERANT SYSTEM (AIR IS NOT COOLED) .2860
A-3 TROUBLESHOOTING FOR BLOWER MOTOR SYSTEM (NO AIR COMES OUT OR AIR FLOW IS ABNORMAL) 2863
A-4 TROUBLESHOOTING FOR FRESH/RECIRC AIR CHANGEOVER .2865
TROUBLESHOOTING USING GAUGE PRESSURE 2867
CONNECTION OF SERVICE TOOL 2870
METHOD FOR CONNECTING SERVICE TOOL 2870
PRECAUTIONS FOR DISCONNECTING AND CONNECTING HOSES AND TUBES IN AIR CONDITIONER PIPINGS .2872
HANDLE COMPRESSOR OIL .2874
90 CIRCUIT DIAGRAMS .2877
CONTENTS 2878
ABBREVIATION LIST .2879
HYDRAULIC CIRCUIT DIAGRAM .2885
SYMBOLS USED IN HYDRAULIC CIRCUIT DIAGRAM .2885
HYDRAULIC CIRCUIT DIAGRAM (1/2) .2889
HYDRAULIC CIRCUIT DIAGRAM (2/2) .2891
HYDRAULIC CIRCUIT DIAGRAM (1/3) – PC390HRD-11E0 .2893
HYDRAULIC CIRCUIT DIAGRAM (2/3) – PC390HRD-11E0 .2895
HYDRAULIC CIRCUIT DIAGRAM (3/3) – PC390HRD-11E0 .2897
ELECTRICAL CIRCUIT DIAGRAM 2899
SYMBOLS USED IN ELECTRICAL CIRCUIT DIAGRAM 2899
ELECTRICAL CIRCUIT DIAGRAM (1/8) 2903
ELECTRICAL CIRCUIT DIAGRAM (2/8) 2905
ELECTRICAL CIRCUIT DIAGRAM (3/8) 2907
ELECTRICAL CIRCUIT DIAGRAM (4/8) 2909
ELECTRICAL CIRCUIT DIAGRAM (5/8) 2911
ELECTRICAL CIRCUIT DIAGRAM (6/8) 2913
ELECTRICAL CIRCUIT DIAGRAM (7/8) 2915
ELECTRICAL CIRCUIT DIAGRAM (8/8) 2917
INDEX 2919

DESCRIPTION:

Komatsu PC360LC-11E0,PC360NLC-11E0,PC390HRD-11E0 Hydraulic Excavator Shop Manual UENBM00491 – PDF DOWNLOAD

• SERIAL NUMBERS K75001 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.

G.B 31/12/24