Komatsu PC360-11,PC360LC-11,PC360NLC-11 Excavator Shop Manual PDF

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Komatsu PC360-11,PC360LC-11,PC360NLC-11 Hydraulic Excavator Shop Manual UENBM00393 – PDF DOWNLOAD

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Komatsu PC360-11,PC360LC-11,PC360NLC-11 Hydraulic Excavator Shop Manual UENBM00393 – PDF DOWNLOAD

Language : English
Pages : 2946
Downloadable : Yes
File Type : PDF

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TABLE OF CONTENTS:

Komatsu PC360-11,PC360LC-11,PC360NLC-11 Hydraulic Excavator Shop Manual UENBM00393 – PDF DOWNLOAD

• SERIAL NUMBERS K70001 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-11, PC360NLC-11 103
WORKING RANGE DRAWINGS 105
WORKING RANGE: PC360LC-11, PC360NLC-11 105
SPECIFICATIONS 106
SPECIFICATIONS: PC360LC-11, PC360NLC-11 . 106
WEIGHT TABLE 109
WEIGHT TABLE: PC360LC-11, PC360NLC-11 . 109
TABLE OF FUEL, COOLANT, AND LUBRICANTS 111
SPECIFICATIONS – PC390HRD-11 112
SPECIFICATION DRAWING . 112
SPECIFICATION DRAWING: PC390HRD-11 112
SPECIFICATIONS 114
SPECIFICATIONS: PC390HRD-11 . 114
WEIGHT TABLE 116
WEIGHT TABLE: PC390HRD-11 . 116
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 243
KomVision CAMERA 247
KOMTRAX TERMINAL 247
PUMP CONTROLLER . 250
RESISTOR FOR PC-EPC VALVE . 254
CAN TERMINATING RESISTOR 254
PPC OIL PRESSURE SWITCH . 255
ENGINE CONTROLLER . 256
FUEL CONTROL DIAL . 263
SENSOR 265
STRUCTURE OF AMBIENT PRESSURE SENSOR 265
FUNCTION OF AMBIENT PRESSURE SENSOR . 265
STRUCTURE OF ENGINE OIL PRESSURE SWITCH . 265
FUNCTION OF ENGINE OIL PRESSURE SWITCH 266
STRUCTURE OF CHARGE (BOOST) PRESSURE AND TEMPERATURE SENSOR . 266
FUNCTION OF CHARGE (BOOST) PRESSURE AND TEMPERATURE SENSOR 266
STRUCTURE OF COOLANT TEMPERATURE SENSOR . 267
FUNCTION OF COOLANT TEMPERATURE SENSOR 267
STRUCTURE OF NE (CRANKSHAFT) SPEED SENSOR . 267
FUNCTION OF NE (CRANKSHAFT) SPEED SENSOR 268
STRUCTURE OF Bkup (CAMSHAFT) SPEED SENSOR . 268
FUNCTION OF Bkup (CAMSHAFT) SPEED SENSOR 268
STRUCTURE OF COMMON RAIL PRESSURE SENSOR 269
FUNCTION OF COMMON RAIL PRESSURE SENSOR . 269
STRUCTURE OF EGR VALVE LIFT SENSOR 269
FUNCTION OF EGR VALVE LIFT SENSOR . 269
STRUCTURE OF VGT SPEED SENSOR . 270
FUNCTION OF KVGT SPEED SENSOR . 270
STRUCTURE OF KVGT POSITION SENSOR . 270
FUNCTION OF KVGT POSITION SENSOR 271
STRUCTURE OF MASS AIR FLOW AND TEMPERATURE SENSOR . 271
STRUCTURE OF KDPF DIFFERENTIAL PRESSURE AND OUTLET PRESSURE SENSOR 272
FUNCTION OF KDPF DIFFERENTIAL PRESSURE AND OUTLET PRESSURE SENSOR . 272
STRUCTURE OF CRANKCASE PRESSURE SENSOR 272
FUNCTION OF CRANKCASE PRESSURE SENSOR . 273
STRUCTURE OF ENGINE OIL LEVEL SENSOR 273
STRUCTURE OF AIR CLEANER CLOGGING SENSOR 273
FUNCTION OF AIR CLEANER CLOGGING SENSOR . 274
STRUCTURE OF WATER-IN-FUEL SENSOR . 274
FUNCTION OF WATER-IN-FUEL SENSOR 274
STRUCTURE OF QUICK COUPLER LOW PRESSURE WARNING SWITCH 274
SPECIFICATIONS – QUICK COUPLER LOW PRESSURE WARNING SWITCH 275
FUNCTION OF QUICK COUPLER LOW PRESSURE WARNING SWITCH . 275
STRUCTURE OF AUTO GREASE PRESSURE SWITCH 275
SPECIFICATIONS – AUTO GREASE PRESSURE SWITCH 276
FUNCTION OF AUTO GREASE PRESSURE SWITCH . 276
STRUCTURE OF OVERLOAD CAUTION SENSOR 276
SPECIFICATIONS – OVERLOAD CAUTION SENSOR 276
FUNCTION OF OVERLOAD CAUTION SENSOR . 276
HYDRAULIC SYSTEM 277
LAYOUT DRAWING OF HYDRAULIC SYSTEM 277
CLSS 280
STRUCTURE OF CLSS . 280
OPERATION OF UNLOAD VALVE AND LS PRESSURE . 282
PUMP SWASH PLATE ANGLE (OIL FLOW) CONTROL . 283
PRESSURE COMPENSATION CONTROL . 296
ENGINE AND PUMP COMBINED CONTROL SYSTEM . 299
ENGINE AND PUMP COMBINED CONTROL SYSTEM DIAGRAM . 299
FUNCTION OF ENGINE AND PUMP COMBINED CONTROL SYSTEM . 300
PUMP AND VALVE CONTROL SYSTEM . 305
PUMP AND VALVE CONTROL SYSTEM DIAGRAM . 305
FUNCTION OF PUMP AND VALVE CONTROL SYSTEM . 306
COMPONENT PARTS OF HYDRAULIC SYSTEM . 308
HYDRAULIC TANK 308
MAIN PUMP . 311
CONTROL VALVE . 337
HYDRAULIC SYSTEM – PC390HRD-11 395
LAYOUT DRAWING OF HYDRAULIC SYSTEM 395
COMPONENT PARTS OF HYDRAULIC SYSTEM . 398
LAYOUT DRAWING OF VALVE CONTROL SYSTEM 398
WORK EQUIPMENT SYSTEM . 415
LAYOUT DRAWING OF WORK EQUIPMENT SYSTEM . 415
STRUCTURE OF VALVE CONTROL 421
ONE-TOUCH POWER MAXIMIZING SYSTEM . 423
ONE-TOUCH POWER MAXIMIZING SYSTEM DIAGRAM . 423
FUNCTION OF ONE-TOUCH POWER MAXIMIZING SYSTEM . 424
MACHINE PUSH-UP SYSTEM 425
MACHINE PUSH-UP SYSTEM DIAGRAM 425
FUNCTION OF MACHINE PUSH-UP SYSTEM 426
PPC LOCK SYSTEM . 427
PPC LOCK SYSTEM DIAGRAM . 427
FUNCTION OF PPC LOCK SYSTEM . 427
WORK EQUIPMENT AND TRAVEL AUTOMATIC LOCK SYSTEM . 428
WORK EQUIPMENT AND TRAVEL AUTOMATIC LOCK SYSTEM DIAGRAM . 428
FUNCTION OF WORK EQUIPMENT AND TRAVEL AUTOMATIC LOCK SYSTEM . 428
OPERATION OF WORK EQUIPMENT AND TRAVEL AUTOMATIC LOCK SYSTEM 429
OIL FLOW ADJUSTER SYSTEM FOR ATTACHMENT . 430
OIL FLOW ADJUSTER SYSTEM DIAGRAM FOR ATTACHMENT . 430
FUNCTION OF OIL FLOW ADJUSTER SYSTEM FOR ATTACHMENT . 431
COMPONENT PARTS OF WORK EQUIPMENT SYSTEM 432
WORK EQUIPMENT AND SWING PPC VALVE 432
1ST-LINE ATTACHMENT PPC VALVE (WITH EPC VALVE) 437
2ND-LINE ATTACHMENT PPC VALVE . 441
SOLENOID VALVE 443
ATTACHMENT CIRCUIT SELECTOR VALVE . 446
ATT EPC VALVE ASSEMBLY 449
PILOT CIRCUIT ACCUMULATOR . 450
WORK EQUIPMENT SYSTEM – PC390HRD-11 . 452
LAYOUT DRAWING OF WORK EQUIPMENT SYSTEM . 452
SWING SYSTEM 456
LAYOUT DRAWING OF SWING SYSTEM 456
SWING CONTROL SYSTEM DIAGRAM 459
FUNCTION OF SWING CONTROL SYSTEM 459
COMPONENT PARTS OF SWING SYSTEM . 463
SWING MOTOR . 463
SWING MACHINERY . 474
SWING CIRCLE 476
TRAVEL SYSTEM . 477
LAYOUT DRAWING OF TRAVEL SYSTEM . 477
TRAVEL CONTROL SYSTEM DIAGRAM . 481
FUNCTION OF TRAVEL CONTROL SYSTEM . 481
COMPONENT PARTS OF TRAVEL SYSTEM 483
TRAVEL MOTOR 483
FINAL DRIVE . 495
TRAVEL PPC VALVE 496
CENTER SWIVEL JOINT . 501
UNDERCARRIAGE AND FRAME . 503
LAYOUT DRAWING OF UNDERCARRIAGE . 503
SPECIFICATIONS OF UNDERCARRIAGE . 503
WORK EQUIPMENT 505
STRUCTURE OF WORK EQUIPMENT . 505
FUNCTION OF WORK EQUIPMENT 506
WORK EQUIPMENT CLEARANCE ADJUSTMENT SHIM 507
FUNCTION OF WORK EQUIPMENT CLEARANCE ADJUSTMENT SHIM 507
BUCKET CLEARANCE ADJUSTMENT SHIM 508
FUNCTION OF BUCKET CLEARANCE ADJUSTMENT SHIM 508
CAB AND ITS ATTACHMENTS . 509
ROPS CAB 509
STRUCTURE OF ROPS CAB . 509
FUNCTION OF ROPS CAB 509
CAB MOUNT . 510
STRUCTURE OF CAB MOUNT 510
FUNCTION OF CAB MOUNT . 510
CAB TIPPING STOPPER . 511
STRUCTURE OF CAB TIPPING STOPPER 511
FUNCTION OF CAB TIPPING STOPPER . 511
TILTING CAB SYSTEM 512
STRUCTURE OF TILTING CAB SYSTEM . 512
OPERATION OF TILTING CAB SYSTEM . 512
20 STANDARD VALUE TABLE . 515
CONTENTS 516
ABBREVIATION LIST . 517
STANDARD VALUE TABLE FOR ENGINE . 523
STANDARD VALUE TABLE FOR ENGINE: PC360LC-11, PC360NLC-11 523
STANDARD VALUE TABLE FOR MACHINE 528
STANDARD VALUE TABLE FOR MACHINE: PC360LC-11, PC360NLC-11 . 528
MACHINE POSTURE AND PROCEDURE FOR MEASURING PERFORMANCE . 542
STANDARD VALUE TABLE FOR MACHINE – PC390HRD-11 546
STANDARD VALUE FOR MACHINE: HIGH REACH DEMOLITION UNIQUE 546
MACHINE POSTURE AND PROCEDURE FOR MEASURING PERFORMANCE . 553
STANDARD VALUE TABLE FOR ELECTRICAL . 557
STANDARD VALUE TABLE FOR ELECTRICAL . 557
30 TESTING AND ADJUSTING 567
CONTENTS 568
ABBREVIATION LIST . 572
RELATED INFORMATION ON TESTING AND ADJUSTING 578
TOOLS FOR TESTING AND ADJUSTING . 578
SKETCH OF TOOLS FOR TESTING AND ADJUSTING . 585
ENGINE AND COOLING SYSTEM . 587
TEST ENGINE SPEED . 587
METHOD FOR TESTING ENGINE SPEED . 587
TEST BOOST PRESSURE . 591
METHOD FOR TESTING BOOST PRESSURE ON MACHINE MONITOR 591
METHOD FOR TESTING BOOST PRESSURE . 592
TEST EXHAUST GAS COLOR 593
METHOD FOR TESTING EXHAUST GAS COLOR BY HANDY SMOKE CHECKER . 593
METHOD FOR TESTING EXHAUST GAS COLOR BY SMOKE METER . 594
TEST AND ADJUST VALVE CLEARANCE . 595
METHOD FOR TESTING VALVE CLEARANCE 595
METHOD FOR ADJUSTING VALVE CLEARANCE 597
TEST COMPRESSION PRESSURE . 598
METHOD FOR TESTING COMPRESSION PRESSURE . 598
TEST BLOWBY PRESSURE 601
METHOD FOR TESTING BLOWBY PRESSURE 601
TEST ENGINE OIL PRESSURE 603
METHOD FOR TESTING ENGINE OIL PRESSURE 603
TEST EGR VALVE AND VGT OIL PRESSURE . 605
METHOD FOR TESTING EGR VALVE AND VGT OIL PRESSURE . 605
TEST FUEL PRESSURE 607
METHOD FOR TESTING FUEL PRESSURE 608
TEST FUEL DISCHARGE, RETURN AND LEAKAGE . 614
METHOD FOR TESTING FUEL DISCHARGE, RETURN AND LEAKAGE . 615
BLEED AIR FROM FUEL SYSTEM 621
METHOD FOR BLEEDING AIR FROM FUEL SYSTEM 621
TEST FUEL CIRCUIT FOR LEAKAGE . 622
METHOD FOR TESTING FUEL CIRCUIT FOR LEAKAGE . 622
HANDLE CYLINDER CUT-OUT MODE OPERATION 624
HANDLE NO-INJECTION CRANKING OPERATION 625
TEST AND ADJUST AIR CONDITIONER COMPRESSOR BELT TENSION . 626
METHOD FOR TESTING AIR CONDITIONER COMPRESSOR BELT TENSION 626
METHOD FOR ADJUSTING AIR CONDITIONER COMPRESSOR BELT TENSION 626
METHOD FOR ADJUSTING AIR CONDITIONER COMPRESSOR BELT 627
WRITE ASH IN SOOT ACCUMULATION CORRECTION TO ENGINE CONTROLLER 628
METHOD FOR WRITING ASH IN SOOT ACCUMULATION CORRECTION TO ENGINE CONTROLLER . 628
TEST SCR RELATED FUNCTIONS 629
TEST AdBlue/DEF PUMP RAISED PRESSURE 632
TEST INJECTION AMOUNT FROM AdBlue/DEF INJECTOR 635
TEST AdBlue/DEF LINE HEATER RELAY 1 . 639
METHOD FOR TESTING AdBlue/DEF LINE HEATER RELAY 1 . 639
TEST AdBlue/DEF LINE HEATER RELAY 2 . 641
TEST AdBlue/DEF PUMP HEATER RELAY . 644
TEST AdBlue/DEF TANK HEATER VALVE . 647
TEST DENITRATION EFFICIENCY OF SCR 650
CLEAN AdBlue/DEF TANK . 654
METHOD FOR CLEANING AdBlue/DEF TANK . 654
POWER TRAIN . 658
TEST SWING CIRCLE BEARING CLEARANCE . 658
METHOD FOR TESTING SWING CIRCLE BEARING CLEARANCE . 658
UNDERCARRIAGE AND FRAME . 659
TEST AND ADJUST TRACK TENSION . 659
METHOD FOR TESTING TRACK TENSION 659
METHOD FOR ADJUSTING TRACK TENSION 659
HYDRAULIC SYSTEM 661
RELEASE REMAINING PRESSURE FROM HYDRAULIC SYSTEM 661
METHOD FOR RELEASING REMAINING PRESSURE FROM HYDRAULIC TANK . 661
METHOD FOR RELEASING REMAINING PRESSURE IN HYDRAULIC CYLINDER CIRCUIT . 661
METHOD FOR RELEASING REMAINING PRESSURE FROM SWING MOTOR CIRCUIT 664
METHOD FOR RELEASING REMAINING PRESSURE FROM TRAVEL MOTOR CIRCUIT . 664
TEST AND ADJUST OIL PRESSURE IN WORK EQUIPMENT, SWING, AND TRAVEL CIRCUITS 665
METHOD FOR TESTING OIL PRESSURE IN WORK EQUIPMENT, SWING, AND TRAVEL CIRCUITS . 666
METHOD FOR ADJUSTING OIL PRESSURE IN WORK EQUIPMENT, SWING, AND TRAVEL CIRCUITS . 674
TEST OIL PRESSURE OF CONTROL CIRCUIT 678
METHOD FOR TESTING OIL PRESSURE OF CONTROL CIRCUIT 678
TEST AND ADJUST OIL PRESSURE IN PUMP PC CONTROL CIRCUIT . 680
TEST PC VALVE OUTPUT PRESSURE (SERVO PISTON INLET PRESSURE) . 680
TEST PC-EPC VALVE OUTPUT PRESSURE . 681
METHOD FOR ADJUSTING OIL PRESSURE IN PUMP PC CONTROL CIRCUIT 682
TEST AND ADJUST OIL PRESSURE IN PUMP LS CONTROL CIRCUIT . 683
METHOD FOR TESTING OIL PRESSURE WITH SENSOR ADAPTER (SPECIAL TOOL) 683
METHOD FOR TESTING LS DIFFERENTIAL PRESSURE . 684
METHOD FOR TESTING LS VALVE OUTPUT PRESSURE (SERVO PISTON INLET PRESSURE) . 686
METHOD FOR TESTING LS-EPC VALVE OUTPUT PRESSURE . 687
METHOD FOR ADJUSTING LS VALVE . 687
TEST OUTLET PRESSURE OF SOLENOID VALVE 688
METHOD FOR TESTING OUTLET PRESSURE OF SOLENOID VALVE 688
OPERATING CONDITION OF SOLENOID VALVE . 689
TEST PPC VALVE OUTPUT PRESSURE 691
METHOD FOR TESTING PPC VALVE OUTPUT PRESSURE 691
ADJUST WORK EQUIPMENT AND SWING PPC VALVES 693
METHOD FOR ADJUSTING PLAY OF WORK EQUIPMENT AND SWING PPC VALVES 693
MEASURING AND ADJUSTING QUICK COUPLER CONTROL VALVE OUTPUT PRESSURE . 694
TEST PUMP SWASH PLATE SENSOR 696
METHOD FOR TESTING PUMP SWASH PLATE SENSOR 696
TEST THE PARTS CAUSING HYDRAULIC DRIFT IN WORK EQUIPMENT 697
METHOD FOR TESTING THE PARTS CAUSING HYDRAULIC DRIFT OF BOOM CYLINDER AND BUCKET CYLINDER . 697
METHOD FOR TESTING THE PARTS CAUSING HYDRAULIC DRIFT OF ARM CYLINDER 697
METHOD FOR TESTING THE PARTS CAUSING HYDRAULIC DRIFT OF PPC VALVE . 698
TEST OIL LEAKAGE 699
METHOD FOR TESTING OIL LEAKAGE FROM BOOM CYLINDER . 699
METHOD FOR TESTING OIL LEAKAGE FROM ARM CYLINDER 699
METHOD FOR TESTING OIL LEAKAGE FROM BUCKET CYLINDER . 700
METHOD FOR TESTING OIL LEAKAGE FROM SWING MOTOR . 700
METHOD FOR TESTING OIL LEAKAGE FROM TRAVEL MOTOR 701
BLEED AIR FROM HYDRAULIC CIRCUIT 702
METHOD FOR BLEEDING AIR FROM HYDRAULIC CIRCUIT 704
HYDRAULIC SYSTEM – PC390HRD-11 707
MEASURING AND ADJUSTING SWING SPEED REDUCTION VALVE . 707
MEASURING AND ADJUSTING BOOM AND BUCKET PPC REDUCTION VALVE . 708
MEASURING AND ADJUSTING LINK CYLINDER FLOW CONTROL VALVE 709
MEASURING AND ADJUSTING ARM CYLINDER FLOW CONTROL VALVE . 710
CAB AND ITS ATTACHMENTS . 711
TEST CAB TIPPING STOPPER 711
METHOD FOR TESTING CAB TIPPING STOPPER 711
METHOD FOR ADJUSTING MIRRORS 712
PROCEDURE FOR ADJUSTING MACHINE LEFT FRONT MIRROR (A) . 712
PROCEDURE FOR ADJUSTING REGULAR POSITION OF MACHINE LEFT FRONT MIRROR (A) . 713
PROCEDURE FOR ADJUSTING MACHINE RIGHT FRONT MIRROR (B) 714
PROCEDURE FOR ADJUSTING REGULAR POSITION OF MACHINE RIGHT FRONT MIRROR (B) 715
PROCEDURE FOR ADJUSTING MACHINE RIGHT SIDE MIRROR (C) . 716
ELECTRICAL SYSTEM . 718
SET AND OPERATE MACHINE MONITOR . 718
OPERATOR MODE . 721
DISPLAY FUNCTION OF TECHNICIAN IDENTIFICATION STATUS SCREEN . 722
DISPLAY FUNCTION OF OPERATOR IDENTIFICATION INPUT SCREEN 722
CHECKING FUNCTION BY LCD (LIQUID CRYSTAL DISPLAY) . 723
CHECKING FUNCTION OF SERVICE METER 723
METHOD FOR SETTING USAGE LIMITATION AND CHANGING PASSWORD . 723
SERVICE MODE 726
SERVICE MODE 726
METHOD FOR CHECKING PRE-DEFINED MONITORING INFORMATION 728
METHOD FOR CHECKING SELF-DEFINE MONITORING INFORMATION 735
ABNORMALITY RECORD MENU . 745
METHOD FOR CONFIRMING MAINTENANCE RECORD 750
METHOD FOR OPERATING MAINTENANCE MODE SETTING . 751
METHOD FOR OPERATING PHONE NUMBER ENTRY SETTING . 755
DEFAULT MENU 756
DIAGNOSTIC TESTS MENU . 764
ADJUSTMENT MENU . 773
METHOD FOR PERFORMING NO-INJECTION CRANKING . 790
KOMTRAX SETTINGS MENU . 791
METHOD FOR DISPLAYING SERVICE MESSAGE . 793
METHOD FOR STARTING UP KOMTRAX TERMINAL . 795
ADJUST REARVIEW CAMERA ANGLE 800
METHOD FOR ADJUSTING REAR VIEW CAMERA ANGLE . 800
ADJUST KomVision CAMERA ANGLE . 803
METHOD FOR ADJUSTING KomVision CAMERA ANGLE . 804
ADJUST KomVision RELATED ITEMS 808
SETTING OF KomVision (MAIN SETTING) . 808
SETTING OF KomVision (CAMERA SETTING) . 810
SETTING OF KomVision (CAMERA CALIBRATION) . 811
KomVision screen – Check 12 m visibility 824
HANDLE VOLTAGE CIRCUIT OF ENGINE CONTROLLER . 827
HANDLE BATTERY DISCONNECT SWITCH 828
TEST DIODES . 829
METHOD FOR TESTING DIODE USING DIGITAL TESTER . 829
METHOD FOR TESTING DIODE USING ANALOG TESTER 829
ELECTRICAL SYSTEM – PC390HRD-11 . 830
ELECTRICAL CIRCUIT DIAGRAMS OF WORK EQUIPMENT SYSTEM 830
HIGH REACH DEMOLITION ELECTRICAL DIAGRAM – BASE MACHINE . 830
HIGH REACH DEMOLITION ELECTRICAL DIAGRAM – HIGH REACH DEMOLITION WORK EQUIPMENT . 833
HIGH REACH DEMOLITION ELECTRICAL DIAGRAM – EXTENDED HIGH REACH DEMOLITION WORK EQUIPMENT 835
HIGH REACH DEMOLITION ELECTRICAL DIAGRAM – MEDIUM REACH DEMOLITION WORK EQUIPMENT . 837
HIGH REACH DEMOLITION ELECTRICAL DIAGRAM – DEMOLITION DIGGING WORK EQUIPMENT 839
RH PPC LEVER 840
WORK EQUIPMENT CONFIGURATION SELECTION CIRCUIT 841
CONSTANT LINK SPEED CIRCUIT . 842
PARALLEL LINK FRONT SCREEN WIPER 843
Pm CLINIC . 844
Pm CLINIC SERVICE . 844
Pm CLINIC CHECK SHEET . 845
WORKING RANGE INDICATOR SYSTEM 862
WORKING RANGE INDICATOR SYSTEM LAYOUT . 862
METHOD FOR ACCESSING WORKING RANGE INDICATOR KOMATSU SERVICE MENU . 864
DIAGNOSTICS – WORKING RANGE INDICATOR SYSTEM 866
MONITORING SYSTEM PARAMETERS AND SENSOR STATES 866
USING THE PARAMETER CHANGE LOG 868
USING ERROR LISTS AND LOGS 869
EXPORT DATA FROM WORKING RANGE INDICATOR SYSTEM . 870
IMPORT DATA TO WORKING RANGE INDICATOR SYSTEM . 871
REPLACING COMPONENTS – WORKING RANGE INDICATOR SYSTEM . 873
WORKING RANGE INDICATOR SYSTEM ANGLE SENSOR REPLACEMENT . 873
WORKING RANGE INDICATOR SYSTEM MONITOR REPLACEMENT 878
WORKING RANGE INDICATOR SYSTEM – UDATING SOFTWARE . 883
CALIBRATION – WORKING RANGE INDICATOR SYSTEM 887
WORKING RANGE INDICATOR SYSTEM CALIBRATION OVERVIEW . 887
METHOD 1 – CALIBRATING AND CONFIRMING CALIBRATION ACCURACY – AUTO CALIBRATION . 887
METHOD 2 – BASE MACHINE SET-UP AND 2-AXIS PITCH AND ROLL SENSOR CALIBRATION . 895
METHOD 2 – CALIBRATING AND CONFIRMING CALIBRATION ACCURACY – MANUAL CALIBRATION . 898
40 TROUBLESHOOTING 913
CONTENTS 914
ABBREVIATION LIST . 925
RELATED INFORMATION ON TROUBLESHOOTING 931
GENERAL TROUBLESHOOTING POINTS 931
TROUBLESHOOTING POINTS FOR UREA SCR SYSTEM 932
SEQUENCE OF EVENTS IN TROUBLESHOOTING . 944
CHECKS BEFORE TROUBLESHOOTING . 946
INSPECTION PROCEDURE BEFORE TROUBLESHOOTING . 948
WALK-AROUND CHECK . 948
TESTING IN ACCORDANCE WITH TESTING PROCEDURE 950
CHECK FUEL LEVEL AND TYPE . 950
CHECK IMPURE INGREDIENT IN FUEL . 950
CHECK FUEL PREFILTER 951
WATER SEPARATOR – CHECK / DRAIN WATER AND SEDIMENT 951
METHOD FOR REPLACING FUEL PREFILTER CARTRIDGE . 952
CHECK MAIN FILTER . 953
CHECK ENGINE OIL LEVEL (OIL AMOUNT IN OIL PAN) 955
CHECK COOLANT LEVEL (RESERVOIR TANK) 956
CHECK CLOGGING OF AIR CLEANER . 957
OUTER ELEMENT – CLEAN . 957
ELEMENTS – REPLACE 959
CHECK HYDRAULIC OIL LEVEL . 960
CHECK HYDRAULIC OIL STRAINER 961
CHECK HYDRAULIC FILTER 962
CHECK OIL LEVEL IN SWING MACHINERY CASE . 963
CHECK OIL LEVEL IN DAMPER CASE 963
CHECK OIL LEVEL IN FINAL DRIVE CASE . 964
BLEED AIR FROM FUEL SYSTEM 964
BLEED AIR FROM HYDRAULIC SYSTEM . 964
ELECTRICAL EQUIPMENT – CHECK METHOD . 965
AUTOMATIC GREASE SYSTEM . 970
FINDING MALFUNCTIONS 970
MALFUNCTION FINDING PROCEDURES 972
PREPARATION TO TROUBLESHOOT ELECTRICAL SYSTEM . 974
PROCEDURE FOR TESTING AND TROUBLESHOOTING . 984
SYMPTOMS OF FAILURE AND TROUBLESHOOTING NUMBERS . 987
INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE 991
TROUBLESHOOTING METHOD FOR OPEN CIRCUIT IN WIRING HARNESS OF PRESSURE SENSOR SYSTEM . 993
CONNECTOR LIST AND LAYOUT . 996
CONNECTOR CONTACT IDENTIFICATION 1009
T-BRANCH BOX AND T-BRANCH ADAPTER TABLE .1049
FUSE LOCATION TABLE .1055
PRECAUTIONS FOR CLEANING AND REPLACING KDPF (KCSF and KDOC) .1058
PREPARATION OF SHORT CIRCUIT ELECTRICAL CONNECTOR (FOR FAILURE CODES [CA1883] AND [CA3135]) .1062
FAILURE CODE TABLE 1064
TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE) .1082
FAILURE CODE [879AKA] .1082
FAILURE CODE [879AKB] .1083
FAILURE CODE [879BKA] .1084
FAILURE CODE [879BKB] .1086
FAILURE CODE [879CKA] .1088
FAILURE CODE [879CKB] .1089
FAILURE CODE [879DKZ] .1090
FAILURE CODE [879EMC] .1092
FAILURE CODE [879FMC] .1093
FAILURE CODE [879GKX] .1094
FAILURE CODE [989L00] .1096
FAILURE CODE [989M00] .1097
FAILURE CODE [989N00] .1098
FAILURE CODE [A1U0N3] .1099
FAILURE CODE [A1U0N4] .1101
FAILURE CODE [A900FR] .1103
FAILURE CODE [A900N6] .1104
FAILURE CODE [A900NY] .1105
FAILURE CODE [AA10NX] .1106
FAILURE CODE [AB00KE] .1108
FAILURE CODE [AQ10N3] .1111
FAILURE CODE [AS00N3] .1113
FAILURE CODE [AS00R2] .1115
FAILURE CODE [AS00R3] .1116
FAILURE CODE [AS00R4] .1117
FAILURE CODE [AS00R5] .1118
FAILURE CODE [AS00R6] .1119
FAILURE CODE [AS00ZK] .1120
FAILURE CODE [AS10KM] .1121
FAILURE CODE [AS10NR] .1122
FAILURE CODE [AS10NT] .1123
FAILURE CODE [B@BAZG] .1124
FAILURE CODE [B@BAZK] .1125
FAILURE CODE [B@BCNS] .1127
FAILURE CODE [B@BCQA] .1128
FAILURE CODE [B@BCZK] .1130
FAILURE CODE [B@HANS] .1132
FAILURE CODE [CA115] 1133
FAILURE CODE [CA122] 1134
FAILURE CODE [CA123] 1136
FAILURE CODE [CA131] 1138
FAILURE CODE [CA132] 1140
FAILURE CODE [CA144] 1142
FAILURE CODE [CA145] 1144
FAILURE CODE [CA153] 1146
FAILURE CODE [CA154] 1149
FAILURE CODE [CA187] 1152
FAILURE CODE [CA221] 1154
FAILURE CODE [CA222] 1156
FAILURE CODE [CA227] 1158
FAILURE CODE [CA234] 1159
FAILURE CODE [CA238] 1160
FAILURE CODE [CA239] 1162
FAILURE CODE [CA249] 1164
FAILURE CODE [CA256] 1166
FAILURE CODE [CA271] 1168
FAILURE CODE [CA272] 1170
FAILURE CODE [CA281] 1172
FAILURE CODE [CA322] 1173
FAILURE CODE [CA323] 1175
FAILURE CODE [CA324] 1177
FAILURE CODE [CA325] 1179
FAILURE CODE [CA331] 1181
FAILURE CODE [CA332] 1183
FAILURE CODE [CA343] 1185
FAILURE CODE [CA351] 1186
FAILURE CODE [CA352] 1187
FAILURE CODE [CA356] 1190
FAILURE CODE [CA357] 1192
FAILURE CODE [CA386] 1194
FAILURE CODE [CA428] 1195
FAILURE CODE [CA429] 1197
FAILURE CODE [CA435] 1199
FAILURE CODE [CA441] 1201
FAILURE CODE [CA442] 1203
FAILURE CODE [CA449] 1204
FAILURE CODE [CA451] 1208
FAILURE CODE [CA452] 1211
FAILURE CODE [CA488] 1213
FAILURE CODE [CA515] 1214
FAILURE CODE [CA516] 1216
FAILURE CODE [CA553] 1218
FAILURE CODE [CA555] 1219
FAILURE CODE [CA556] 1220
FAILURE CODE [CA559] 1221
FAILURE CODE [CA595] 1225
FAILURE CODE [CA687] 1226
FAILURE CODE [CA689] 1228
FAILURE CODE [CA691] 1233
FAILURE CODE [CA692] 1235
FAILURE CODE [CA697] 1237
FAILURE CODE [CA698] 1238
FAILURE CODE [CA731] 1239
FAILURE CODE [CA778] 1241
FAILURE CODE [CA1117] .1246
FAILURE CODE [CA1664] .1247
FAILURE CODE [CA1669] .1249
FAILURE CODE [CA1673] .1250
FAILURE CODE [CA1677] .1251
FAILURE CODE [CA1678] .1252
FAILURE CODE [CA1682] .1253
FAILURE CODE [CA1683] .1255
FAILURE CODE [CA1684] .1257
FAILURE CODE [CA1686] .1259
FAILURE CODE [CA1691] .1260
FAILURE CODE [CA1694] .1263
FAILURE CODE [CA1695] .1266
FAILURE CODE [CA1696] .1267
FAILURE CODE [CA1712] .1269
FAILURE CODE [CA1713] .1272
FAILURE CODE [CA1714] .1274
FAILURE CODE [CA1715] .1275
FAILURE CODE [CA1776] .1276
FAILURE CODE [CA1777] .1279
FAILURE CODE [CA1843] .1282
FAILURE CODE [CA1844] .1284
FAILURE CODE [CA1879] .1287
FAILURE CODE [CA1881] .1290
FAILURE CODE [CA1883] .1292
FAILURE CODE [CA1885] .1295
FAILURE CODE [CA1887] .1297
FAILURE CODE [CA1921] .1299
FAILURE CODE [CA1922] .1302
FAILURE CODE [CA1942] .1307
FAILURE CODE [CA1993] .1308
FAILURE CODE [CA2185] .1311
FAILURE CODE [CA2186] .1313
FAILURE CODE [CA2249] .1315
FAILURE CODE [CA2265] .1316
FAILURE CODE [CA2266] .1318
FAILURE CODE [CA2271] .1320
FAILURE CODE [CA2272] .1323
FAILURE CODE [CA2288] .1326
FAILURE CODE [CA2311] .1327
FAILURE CODE [CA2349] .1328
FAILURE CODE [CA2353] .1331
FAILURE CODE [CA2357] .1333
FAILURE CODE [CA2381] .1334
FAILURE CODE [CA2382] .1337
FAILURE CODE [CA2383] .1340
FAILURE CODE [CA2386] .1343
FAILURE CODE [CA2387] .1345
FAILURE CODE [CA2555] .1346
FAILURE CODE [CA2556] .1349
FAILURE CODE [CA2637] .1352
FAILURE CODE [CA2639] .1354
FAILURE CODE [CA2771] .1357
FAILURE CODE [CA2777] .1363
FAILURE CODE [CA2976] .1366
FAILURE CODE [CA3133] .1368
FAILURE CODE [CA3134] .1370
FAILURE CODE [CA3135] .1372
FAILURE CODE [CA3142] .1375
FAILURE CODE [CA3143] .1376
FAILURE CODE [CA3144] .1377
FAILURE CODE [CA3146] .1379
FAILURE CODE [CA3147] .1380
FAILURE CODE [CA3148] .1381
FAILURE CODE [CA3151] .1383
FAILURE CODE [CA3165] .1389
FAILURE CODE [CA3229] .1391
FAILURE CODE [CA3231] .1393
FAILURE CODE [CA3232] .1395
FAILURE CODE [CA3235] .1399
FAILURE CODE [CA3239] .1401
FAILURE CODE [CA3241] .1404
FAILURE CODE [CA3242] .1407
FAILURE CODE [CA3251] .1410
FAILURE CODE [CA3253] .1412
FAILURE CODE [CA3254] .1415
FAILURE CODE [CA3255] .1418
FAILURE CODE [CA3256] .1422
FAILURE CODE [CA3311] .1424
FAILURE CODE [CA3312] .1426
FAILURE CODE [CA3313] .1429
FAILURE CODE [CA3314] .1430
FAILURE CODE [CA3315] .1431
FAILURE CODE [CA3316] .1433
FAILURE CODE [CA3317] .1434
FAILURE CODE [CA3318] .1435
FAILURE CODE [CA3319] .1437
FAILURE CODE [CA3321] .1438
FAILURE CODE [CA3322] .1440
FAILURE CODE [CA3419] .1442
FAILURE CODE [CA3421] .1444
FAILURE CODE [CA3497] .1446
FAILURE CODE [CA3498] .1447
FAILURE CODE [CA3543] .1448
FAILURE CODE [CA3545] .1455
FAILURE CODE [CA3547] .1457
FAILURE CODE [CA3558] .1458
FAILURE CODE [CA3559] .1460
FAILURE CODE [CA3562] .1462
FAILURE CODE [CA3563] .1464
FAILURE CODE [CA3567] .1467
FAILURE CODE [CA3568] .1470
FAILURE CODE [CA3571] .1474
FAILURE CODE [CA3572] .1476
FAILURE CODE [CA3574] .1478
FAILURE CODE [CA3575] .1480
FAILURE CODE [CA3577] .1482
FAILURE CODE [CA3578] .1484
FAILURE CODE [CA3582] .1486
FAILURE CODE [CA3583] .1492
FAILURE CODE [CA3596] .1494
FAILURE CODE [CA3649] .1496
FAILURE CODE [CA3681] .1498
FAILURE CODE [CA3682] .1503
FAILURE CODE [CA3713] .1509
FAILURE CODE [CA3717] .1512
FAILURE CODE [CA3718] .1513
FAILURE CODE [CA3725] .1514
FAILURE CODE [CA3741] .1517
FAILURE CODE [CA3748] .1518
FAILURE CODE [CA3751] .1520
FAILURE CODE [CA3755] .1522
FAILURE CODE [CA3866] .1524
FAILURE CODE [CA3867] .1528
FAILURE CODE [CA3868] .1531
FAILURE CODE [CA3899] .1535
FAILURE CODE [CA3911] .1537
FAILURE CODE [CA3912] .1541
FAILURE CODE [CA3932] .1543
FAILURE CODE [CA3933] .1545
FAILURE CODE [CA3934] .1547
FAILURE CODE [CA3935] .1550
FAILURE CODE [CA3936] .1552
FAILURE CODE [CA4151] .1554
FAILURE CODE [CA4152] .1558
FAILURE CODE [CA4155] .1562
FAILURE CODE [CA4156] .1564
FAILURE CODE [CA4157] .1567
FAILURE CODE [CA4158] .1569
FAILURE CODE [CA4159] .1570
FAILURE CODE [CA4161] .1571
FAILURE CODE [CA4162] .1574
FAILURE CODE [CA4163] .1577
FAILURE CODE [CA4164] .1579
FAILURE CODE [CA4165] .1581
FAILURE CODE [CA4166] .1583
FAILURE CODE [CA4168] .1585
FAILURE CODE [CA4169] .1588
FAILURE CODE [CA4171] .1590
FAILURE CODE [CA4249] .1593
FAILURE CODE [CA4251] .1595
FAILURE CODE [CA4259] .1597
FAILURE CODE [CA4261] .1600
FAILURE CODE [CA4277] .1603
FAILURE CODE [CA4281] .1607
FAILURE CODE [CA4459] .1610
FAILURE CODE [CA4461] .1613
FAILURE CODE [CA4658] .1616
FAILURE CODE [CA4731] .1620
FAILURE CODE [CA4732] .1621
FAILURE CODE [CA4739] .1622
FAILURE CODE [CA4768] .1623
FAILURE CODE [CA4769] .1625
FAILURE CODE [CA4842] .1628
FAILURE CODE [CA4952] .1632
FAILURE CODE [CA5115] .1634
FAILURE CODE [CA5179] .1637
FAILURE CODE [CA5181] .1639
FAILURE CODE [CA5383] .1641
FAILURE CODE [D110KB] .1643
FAILURE CODE [D19JKZ] .1645
FAILURE CODE [D811MC] .1648
FAILURE CODE [D862KA] .1649
FAILURE CODE [D8ALKA] .1650
FAILURE CODE [D8ALKB] .1652
FAILURE CODE [D8AQKR] .1654
FAILURE CODE [DA20MC] .1656
FAILURE CODE [DA22KK] .1657
FAILURE CODE [DA25KP] .1660
FAILURE CODE [DA29KQ] .1663
FAILURE CODE [DA2LKA] .1665
FAILURE CODE [DA2LKB] .1667
FAILURE CODE [DA2QKR] .1669
FAILURE CODE [DA2RKR] .1672
FAILURE CODE [DAF0KM] .1673
FAILURE CODE [DAF0MB] .1674
FAILURE CODE [DAF0MC] .1675
FAILURE CODE [DAF8KB] .1676
FAILURE CODE [DAF9KQ] .1678
FAILURE CODE [DAFGMC] .1679
FAILURE CODE [DAFLKA] .1680
FAILURE CODE [DAFLKB] .1682
FAILURE CODE [DAFQKR] .1684
FAILURE CODE [DAZ9KQ] .1685
FAILURE CODE [DAZQKR] .1686
FAILURE CODE [DB2QKR] .1691
FAILURE CODE [DB2RKR] .1696
FAILURE CODE [DBP0KM] .1701
FAILURE CODE [DBP0KT] .1702
FAILURE CODE [DBPQKR] .1703
FAILURE CODE [DBP5KB] .1708
FAILURE CODE [DBP5KY] .1711
FAILURE CODE [DDNRKA] .1714
FAILURE CODE [DDNRKY] .1716
FAILURE CODE [DDNS00] .1718
FAILURE CODE [DFB1KZ] .1720
FAILURE CODE [DFB2KZ] .1722
FAILURE CODE [DFB3L8] .1724
FAILURE CODE [DFB4L8] .1726
FAILURE CODE [DFB5KZ] .1728
FAILURE CODE [DFB6KZ] .1730
FAILURE CODE [DGH2KB] .1732
FAILURE CODE [DHA4KA] .1734
FAILURE CODE [DHAAMA] .1736
FAILURE CODE [DHACMA] .1738
FAILURE CODE [DHPAMA] .1740
FAILURE CODE [DHPBMA] .1743
FAILURE CODE [DHS3MA] .1746
FAILURE CODE [DHS4MA] .1749
FAILURE CODE [DHS8MA] .1752
FAILURE CODE [DHS9MA] .1755
FAILURE CODE [DHSAMA] .1758
FAILURE CODE [DHSBMA] .1761
FAILURE CODE [DHSCMA] .1764
FAILURE CODE [DHSDMA] .1767
FAILURE CODE [DHSFMA] .1770
FAILURE CODE [DHSGMA] .1773
FAILURE CODE [DHSHMA] .1776
FAILURE CODE [DHSJMA] .1779
FAILURE CODE [DKR0MA] .1782
FAILURE CODE [DKR1MA] .1785
FAILURE CODE [DKULKA] .1788
FAILURE CODE [DKULKB] .1790
FAILURE CODE [DKULKY] .1792
FAILURE CODE [DR10KA] .1794
FAILURE CODE [DR12KA] .1797
FAILURE CODE [DR20KA] .1799
FAILURE CODE [DR21KX] .1801
FAILURE CODE [DR30KA] .1803
FAILURE CODE [DR31KX] .1805
FAILURE CODE [DR40KA] .1807
FAILURE CODE [DUMBKA] .1809
FAILURE CODE [DUMBKB] .1811
FAILURE CODE [DV20KB] .1813
FAILURE CODE [DW43KA] .1815
FAILURE CODE [DW43KB] .1817
FAILURE CODE [DW43KY] .1819
FAILURE CODE [DW45KA] .1821
FAILURE CODE [DW45KB] .1824
FAILURE CODE [DW45KY] .1827
FAILURE CODE [DW4CKY] .1829
FAILURE CODE [DW91KA] .1830
FAILURE CODE [DW91KB] .1832
FAILURE CODE [DW91KY] .1834
FAILURE CODE [DWA2KA] .1836
FAILURE CODE [DWA2KB] .1838
FAILURE CODE [DWA2KY] .1840
FAILURE CODE [DWK0KA] .1842
FAILURE CODE [DWK0KB] .1844
FAILURE CODE [DWK0KY] .1846
FAILURE CODE [DWK2KA] .1848
FAILURE CODE [DWK2KB] .1850
FAILURE CODE [DWK2KY] .1852
FAILURE CODE [DWK8KA] .1854
FAILURE CODE [DWK8KB] .1856
FAILURE CODE [DWK8KY] .1858
FAILURE CODE [DXA8KA] .1860
FAILURE CODE [DXA8KB] .1863
FAILURE CODE [DXA9KA] .1865
FAILURE CODE [DXA9KB] .1868
FAILURE CODE [DXE0KA] .1870
FAILURE CODE [DXE0KB] .1872
FAILURE CODE [DXE4KA] .1874
FAILURE CODE [DXE4KB] .1876
FAILURE CODE [DXE4KY] .1878
FAILURE CODE [DXE5KA] .1879
FAILURE CODE [DXE5KB] .1881
FAILURE CODE [DXE6KA] .1883
FAILURE CODE [DXE6KB] .1885
FAILURE CODE [DXE7KA] .1887
FAILURE CODE [DXE7KB] .1889
FAILURE CODE [DXE7KY] .1891
FAILURE CODE [DXE8KA] .1893
FAILURE CODE [DXE8KB] .1895
FAILURE CODE [DXE8KY] .1897
FAILURE CODE [DXE9KA] .1899
FAILURE CODE [DXE9KB] .1901
FAILURE CODE [DXE9KY] .1903
FAILURE CODE [DXEAKA] .1905
FAILURE CODE [DXEAKB] .1907
FAILURE CODE [DXEAKY] .1909
FAILURE CODE [DY20KA] .1911
FAILURE CODE [DY20MA] .1914
FAILURE CODE [DY2CKB] .1916
FAILURE CODE [DY2DKB] .1919
FAILURE CODE [DY2EKB] .1921
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E-MODE) .1923
E-1 ENGINE DOES NOT START (ENGINE DOES NOT CRANK) .1923
E-2 MANUAL PREHEATING SYSTEM DOES NOT WORK 1929
E-3 AUTOMATIC PREHEATING SYSTEM DOES NOT WORK .1932
E-4 WHILE PREHEATING IS WORKING, PREHEATING MONITOR DOES NOT LIGHT UP .1934
E-5 WHEN STARTING SWITCH IS TURNED TO ON POSITION, MACHINE MONITOR DISPLAYS NOTHING .1936
E-6 WHILE STARTING SWITCH IS TURNED TO ON POSITION (WITH ENGINE STOPPED), ENGINE OIL LEVEL MONITOR LIGHTS UP IN YELLOW 1939
E-7 WHILE STARTING SWITCH IS TURNED TO ON POSITION (WITH ENGINE STOPPED), RADIATOR COOLANT LEVEL MONITOR LIGHTS UP IN YELLOW 1940
E-8 ENGINE COOLANT TEMPERATURE MONITOR LIGHTS UP IN WHITE WHILE ENGINE IS RUNNING .1941
E-9 HYDRAULIC OIL TEMPERATURE MONITOR LIGHTS UP IN WHITE WHILE ENGINE IS RUNNING 1942
E-10 AIR CLEANER CLOGGING MONITOR LIGHTS UP IN YELLOW WHILE ENGINE IS RUNNING .1943
E-11 CHARGE LEVEL MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING 1944
E-12 FUEL LEVEL MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING 1945
E-13 WATER SEPARATOR MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING .1946
E-14 ENGINE COOLANT TEMPERATURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING 1947
E-15 ENGINE OIL PRESSURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING .1948
E-16 HYDRAULIC OIL TEMPERATURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING .1949
E-17 FUEL GAUGE DISPLAY DOES NOT MOVE FROM MINIMUM OR MAXIMUM .1950
E-18 DISPLAY OF FUEL GAUGE DIFFERS FROM ACTUAL FUEL LEVEL .1952
E-19 ENGINE COOLANT TEMPERATURE GAUGE DISPLAY DOES NOT MOVE FROM MINIMUM OR MAXIMUM .1953
E-20 DISPLAY OF ENGINE COOLANT TEMPERATURE GAUGE DIFFERS FROM ACTUAL COOLANT TEMPERATURE 1954
E-21 HYDRAULIC OIL TEMPERATURE GAUGE DISPLAY DOES NOT MOVE FROM MINIMUM OR MAXIMUM 1955
E-22 DISPLAY OF HYDRAULIC OIL TEMPERATURE GAUGE DIFFERS FROM ACTUAL OIL TEMPERATURE .1957
E-23 SOME AREAS OF MACHINE MONITOR SCREEN ARE NOT DISPLAYED .1958
E-24 FUNCTION SWITCH DOES NOT OPERATE .1959
E-25 AUTOMATIC WARM-UP SYSTEM DOES NOT WORK (IN COLD WEATHER) .1960
E-26 WHEN AUTO-DECELERATOR SWITCH IS OPERATED, AUTO-DECELERATOR MONITOR DOES NOT LIGHT UP OR DOES NOT GO OFF 1961
E-27 AUTO-DECELERATOR IS NOT OPERATED OR CANCELED WITH LEVER 1962
E-28 WHEN WORKING MODE SWITCH IS OPERATED, WORKING MODE SELECTION SCREEN IS NOT DISPLAYED .1963
E-29 WHEN WORKING MODE IS CHANGED, SETTING OF ENGINE AND HYDRAULIC PUMP IS NOT CHANGED 1964
E-30 WHEN TRAVEL SPEED SWITCH IS OPERATED, TRAVEL SPEED MONITOR DOES NOT CHANGE .1965
E-31 WHEN TRAVEL SPEED SELECTION IS CHANGED, ACTUAL TRAVEL SPEED DOES NOT CHANGE 1966
E-32 ALARM BUZZER CANNOT BE CANCELED 1968
E-33 SERVICE METER IS NOT DISPLAYED, WHILE STARTING SWITCH IS IN OFF POSITION .1969
E-34 SERVICE MODE CANNOT BE SELECTED 1970
E-35 ALL OF WORK EQUIPMENTS, SWING, AND TRAVEL MECHANISM DO NOT MOVE 1971
E-36 ALL OF WORK EQUIPMENT, SWING, AND TRAVEL MECHANISM DO NOT LOCK .1973
E-37 WHEN SWING BRAKE CANCEL SWITCH IS SET TO CANCEL POSITION, MACHINE CANNOT SWING .1974
E-38 WHEN SWING BRAKE CANCEL SWITCH IS SET TO NORMAL POSITION, SWING HOLDING BRAKE DOES NOT OPERATE .1977
E-39 ONE-TOUCH POWER MAXIMIZING FUNCTION DOES NOT OPERATE PROPERLY, OR INDICATOR NOT DISPLAYED ON MONITOR .1979
E-40 ONE-TOUCH POWER MAXIMIZING FUNCTION IS NOT CANCELLED .1981
E-41 ALARM DOES NOT SOUND DURING TRAVEL .1982
E-42 ALARM DOES NOT STOP SOUNDING WHILE MACHINE IS STOPPED 1984
E-43 HORN DOES NOT SOUND 1985
E-44 HORN DOES NOT STOP SOUNDING 1989
E-45 WHEN WIPER SWITCH IS OPERATED, WIPER MONITOR DOES NOT LIGHT UP OR GO OFF .1991
E-46 WHEN WIPER SWITCH IS OPERATED, WINDSHIELD WIPER DOES NOT OPERATE .1992
E-47 WHEN WINDOW WASHER SWITCH IS OPERATED, WINDOW WASHER DOES NOT OPERATE 1994
E-48 BOOM RAISE INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION 1995
E-49 BOOM LOWER INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION 1996
E-50 ARM OUT INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION .1997
E-51 ARM IN INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION 1998
E-52 BUCKET DUMP INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION .1999
E-53 BUCKET CURL INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION .2000
E-54 SWING INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION .2001
E-55 TRAVEL INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION 2002
E-56 SERVICE INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION .2003
E-57 ATTACHMENT HYDRAULIC CIRCUIT CANNOT BE CHANGED .2005
E-58 KOMTRAX SYSTEM DOES NOT OPERATE NORMALLY .2006
E-59 MACHINE PUSH-UP FUNCTION CANNOT BE CANCELED 2007
E-60 MACHINE PUSH-UP FUNCTION DOES NOT OPERATE 2009
TROUBLESHOOTING FOR HYDRAULIC AND MECHANICAL SYSTEMS (H MODE) .2010
INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (H MODE) .2010
SYSTEM CHART OF HYDRAULIC AND MECHANICAL SYSTEMS 2011
FAILURE MODE AND CAUSE TABLE 2013
H-1 ALL WORK EQUIPMENT, SWING AND TRAVEL DO NOT WORK 2024
H-2 ALL WORK EQUIPMENT, SWING AND TRAVEL LACK SPEED AND POWER .2025
H-3 FINE CONTROL PERFORMANCE OR RESPONSE IS POOR 2028
H-4 UNUSUAL NOISE IS HEARD FROM AROUND HYDRAULIC PUMP .2029
H-5 ENGINE SPEED DROPS LARGELY OR ENGINE STOPS 2030
H-6 SPEED OR POWER OF BOOM IS LOW .2032
H-7 ARM SPEED OR POWER IS LOW .2038
H-8 BUCKET SPEED OR POWER IS LOW 2043
H-9 WORK EQUIPMENT DOES NOT MOVE IN SINGLE OPERATION 2047
H-10 HYDRAULIC DRIFT OF BOOM IS LARGE .2048
H-11 HYDRAULIC DRIFT OF ARM IS LARGE 2050
H-12 HYDRAULIC DRIFT OF BUCKET IS LARGE .2052
H-13 WHEN SINGLE WORK EQUIPMENT IS RELIEVED HYDRAULICALLY, OTHER WORK EQUIPMENT MOVES .2053
H-14 TIME LAG OF WORK EQUIPMENT IS LARGE 2054
H-15 ONE-TOUCH POWER MAXIMIZING FUNCTION DOES NOT OPERATE .2055
H-16 MACHINE PUSH-UP FUNCTION DOES NOT OPERATE 2056
H-17 ATTACHMENT CIRCUIT CANNOT BE CHANGED .2057
H-18 OIL FLOW IN ATTACHMENT CIRCUIT CANNOT BE CHANGED .2058
H-19 IN COMBINED OPERATION OF WORK EQUIPMENT, EQUIPMENT HAVING HEAVIER LOAD MOVES SLOWER 2059
H-20 IN COMBINED OPERATION OF SWING AND TRAVEL, TRAVEL SPEED DROPS LARGELY 2060
H-21 IN COMBINED OPERATION OF SWING AND BOOM RAISE, BOOM RISING SPEED IS LOW 2061
H-22 MACHINE DOES NOT TRAVEL STRAIGHT .2062
H-23 MACHINE IS NOT STEERED WELL OR STEERING POWER IS LOW .2064
H-24 TRAVEL SPEED IS LOW 2067
H-25 ONE OF TRACKS DOES NOT RUN .2069
H-26 TRAVEL SPEED DOES NOT CHANGE, OR TRAVEL SPEED IS TOO SLOW OR FAST 2071
H-27 UPPER STRUCTURE DOES NOT SWING BOTH TO THE RIGHT AND LEFT 2072
H-28 SWINGS ONLY IN ONE DIRECTION .2073
H-29 SWING ACCELERATION OR SWING SPEED IS LOW IN BOTH DIRECTIONS (RIGHT AND LEFT) .2074
H-30 SWING ACCELERATION PERFORMANCE IS POOR OR SWING SPEED IS SLOW IN ONLY ONE DIRECTION 2075
H-31 UPPER STRUCTURE OVERRUNS EXCESSIVELY WHEN IT STOPS SWINGING (BOTH RIGHT AND LEFT) 2076
H-32 UPPER STRUCTURE OVERRUNS EXCESSIVELY WHEN IT STOPS SWINGING (ONLY ONE DIRECTION EITHER RIGHT OR LEFT) 2077
H-33 SHOCK IS LARGE WHEN UPPER STRUCTURE STOPS SWINGING .2078
H-34 LARGE UNUSUAL NOISE IS HEARD WHEN UPPER STRUCTURE STOPS SWINGING .2079
H-35 SWING DRIFT ON A SLOPE IS LARGE (WHILE SWING PARKING BRAKE IS APPLIED) .2080
H-36 SWING DRIFT ON A SLOPE IS LARGE (WHILE SWING PARKING BRAKE IS RELEASED) 2081
H-37 Quick coupler cylinder will not extend .2082
H-38 Quick coupler cylinder will not retract (but buzzer doesnot sound) .2084
H-39 Buzzer does not sound (but quick coupler cylinder doesretract) .2086
H-40 Quick coupler cylinder extends and retracts slowly .2088
TROUBLESHOOTING OF ENGINE (S-MODE) 2089
INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (S MODE) .2089
S-1 ENGINE DOES NOT CRANK WHEN STARTING SWITCH IS TURNED TO START POSITION 2090
S-1 ENGINE CRANKS BUT NO EXHAUST GAS COMES OUT 2091
S-2 FUEL IS BEING INJECTED BUT ENGINE DOES NOT START (MISFIRING: ENGINE CRANKS BUT DOES NOT START) 2092
S-3 ENGINE STARTABILITY IS POOR .2094
S-5 ENGINE DOES NOT PICK UP SMOOTHLY 2096
S-6 ENGINE STOPS DURING OPERATION .2098
S-7 ENGINE RUNS ROUGH OR IS UNSTABLE 2100
S-8 ENGINE LACKS POWER 2101
S-9 KDPF GETS CLOGGED IN A SHORT TIME .2103
S-10 ENGINE OIL CONSUMPTION IS EXCESSIVE 2105
S-11 OIL BECOMES CONTAMINATED QUICKLY .2106
S-4 FUEL CONSUMPTION IS EXCESSIVE .2107
S-13 OIL IS IN COOLANT (OR COOLANT SPURTS BACK OR COOLANT LEVEL GOES DOWN) 2108
S-14 OIL PRESSURE DROPS .2109
S-15 FUEL MIXES INTO ENGINE OIL .2111
S-16 WATER MIXES INTO ENGINE OIL (MILKY) 2112
S-17 COOLANT TEMPERATURE RISES TOO HIGH (OVERHEATING) .2113
S-18 UNUSUAL NOISE IS HEARD .2114
S-19 VIBRATION IS EXCESSIVE .2115
S-5 AIR CANNOT BE BLED FROM FUEL CIRCUIT 2116
S-21 ACTIVE REGENERATION IS EXECUTED FREQUENTLY .2117
S-22 ACTIVE REGENERATION TAKES TIME .2119
S-23 WHITE SMOKE IS EXHAUSTED DURING ACTIVE REGENERATION 2120
S-24 AdBlue/DEF CONSUMPTION IS EXCESSIVE 2121
S-25 THERE IS UNUSUAL SMELL (IRRITATING ODOR) .2123
S-26 FOREIGN MATERIALS ENTER AdBlue/DEF (AdBlue/DEF INCREASES) 2124
TROUBLESHOOTING OF WORKING RANGE INDICATOR BY FAILURE CODE (IF EQUIPPED) 2125
20 SUPPLY VOLTAGE > 32VDC .2125
21 SUPPLY VOLTAGE < 12VDC .2126
25 FILE ERROR FACTORY SETTINGS 2127
26 FILE ERROR USER SETTINGS .2128
27 FILE ERROR INPUT DATA 2129
30 PROXIMITY SWITCHES DIFFERENCE 2130
86 ANGLE SENSOR A2 TIMEOUT 2131
96 ANGLE SENSOR A3/A5 TIMEOUT .2132
106 ANGLE SENSOR A4/A6 TIMEOUT 2133
116 ANGLE SENSOR PITCH TIMEOUT 2134
126 ANGLE SENSOR ROLL TIMEOUT .2135
50 DISASSEMBLY AND ASSEMBLY .2137
CONTENTS 2138
ABBREVIATION LIST .2143
RELATED INFORMATION ON DISASSEMBLY AND ASSEMBLY .2149
HOW TO READ THIS MANUAL .2149
COATING MATERIALS LIST 2151
SPECIAL TOOLS LIST 2155
SKETCHES OF SPECIAL TOOLS .2170
ENGINE AND COOLING SYSTEM .2178
REMOVE AND INSTALL SUPPLY PUMP ASSEMBLY .2178
METHOD FOR REMOVING SUPPLY PUMP ASSEMBLY 2178
METHOD FOR INSTALLING SUPPLY PUMP ASSEMBLY 2183
REMOVE AND INSTALL INJECTOR ASSEMBLY 2191
METHOD FOR REMOVING INJECTOR ASSEMBLY .2191
METHOD FOR INSTALLING INJECTOR ASSEMBLY .2198
REMOVE AND INSTALL CYLINDER HEAD ASSEMBLY .2210
METHOD FOR REMOVING CYLINDER HEAD ASSEMBLY 2211
METHOD FOR INSTALLING CYLINDER HEAD ASSEMBLY 2220
REMOVE AND INSTALL EGR VALVE ASSEMBLY .2238
METHOD FOR REMOVING EGR VALVE ASSEMBLY 2238
METHOD FOR INSTALLING EGR VALVE ASSEMBLY 2239
REMOVE AND INSTALL EGR COOLER ASSEMBLY 2241
METHOD FOR REMOVING EGR COOLER ASSEMBLY .2241
METHOD FOR INSTALLING EGR COOLER ASSEMBLY .2242
REMOVE AND INSTALL STARTER ASSEMBLY .2245
METHOD FOR REMOVING STARTER ASSEMBLY 2245
METHOD FOR INSTALLING STARTER ASSEMBLY 2246
REMOVE AND INSTALL ALTERNATOR BELT 2247
METHOD FOR REMOVING ALTERNATOR BELT .2247
METHOD FOR INSTALLING ALTERNATOR BELT .2250
REMOVE AND INSTALL RADIATOR ASSEMBLY 2253
METHOD FOR REMOVING RADIATOR ASSEMBLY .2253
METHOD FOR INSTALLING RADIATOR ASSEMBLY .2255
REMOVE AND INSTALL HYDRAULIC OIL COOLER ASSEMBLY 2257
METHOD FOR REMOVING HYDRAULIC OIL COOLER ASSEMBLY .2257
METHOD FOR INSTALLING HYDRAULIC OIL COOLER ASSEMBLY .2259
REMOVE AND INSTALL AFTERCOOLER ASSEMBLY .2262
METHOD FOR REMOVING AFTERCOOLER ASSEMBLY 2262
METHOD FOR INSTALLING AFTERCOOLER ASSEMBLY 2263
REMOVE AND INSTALL ENGINE AND MAIN PUMP ASSEMBLY 2265
METHOD FOR REMOVING ENGINE AND MAIN PUMP ASSEMBLY .2266
METHOD FOR INSTALLING ENGINE AND MAIN PUMP ASSEMBLY .2278
REMOVE AND INSTALL ENGINE FRONT OIL SEAL 2293
METHOD FOR REMOVING ENGINE FRONT OIL SEAL .2293
METHOD FOR INSTALLING ENGINE FRONT OIL SEAL .2297
REMOVE AND INSTALL ENGINE REAR OIL SEAL .2301
METHOD FOR REMOVING ENGINE REAR OIL SEAL 2302
METHOD FOR INSTALLING ENGINE REAR OIL SEAL 2303
REMOVE AND INSTALL ENGINE HOOD ASSEMBLY .2310
METHOD FOR REMOVING ENGINE HOOD ASSEMBLY 2310
METHOD FOR INSTALLING ENGINE HOOD ASSEMBLY 2311
REMOVE AND INSTALL FUEL TANK ASSEMBLY .2314
METHOD FOR REMOVING FUEL TANK ASSEMBLY 2314
METHOD FOR INSTALLING FUEL TANK ASSEMBLY 2318
REMOVE AND INSTALL AdBlue/DEF TANK ASSEMBLY .2321
METHOD FOR REMOVING AdBlue/DEF TANK ASSEMBLY 2321
METHOD FOR INSTALLING AdBlue/DEF TANK ASSEMBLY 2327
REMOVE AND INSTALL AdBlue/DEF TANK SENSOR FLANGE ASSEMBLY .2333
METHOD FOR REMOVING AdBlue/DEF TANK SENSOR FLANGE ASSEMBLY 2333
METHOD FOR INSTALLING AdBlue/DEF TANK SENSOR FLANGE ASSEMBLY 2340
REMOVE AND INSTALL AdBlue/DEF TANK SENSOR .2345
METHOD FOR REMOVING AdBlue/DEF TANK SENSOR 2345
METHOD FOR INSTALLING AdBlue/DEF TANK SENSOR 2345
REMOVE AND INSTALL AdBlue/DEF TANK STRAINER .2347
METHOD FOR REMOVING AdBlue/DEF TANK STRAINER 2347
METHOD FOR INSTALLING AdBlue/DEF TANK STRAINER 2347
REMOVE AND INSTALL AdBlue/DEF TANK FILLER PORT FILTER .2348
METHOD FOR REMOVING AdBlue/DEF TANK FILLER PORT FILTER 2348
METHOD FOR INSTALLING AdBlue/DEF TANK FILLER PORT FILTER 2350
REMOVE AND INSTALL KDPF ASSEMBLY 2353
METHOD FOR REMOVING KDPF ASSEMBLY .2353
METHOD FOR INSTALLING KDPF ASSEMBLY .2356
DISASSEMBLE AND ASSEMBLE OF KDPF ASSEMBLY .2360
METHOD FOR DISASSEMBLING KDPF ASSEMBLY 2361
METHOD FOR ASSEMBLING KDPF ASSEMBLY .2364
REMOVE AND INSTALL SCR ASSEMBLY .2369
METHOD FOR REMOVING SCR ASSEMBLY 2369
METHOD FOR INSTALLING SCR ASSEMBLY 2372
REMOVE AND INSTALL KDPF, SCR ASSEMBLY .2375
METHOD FOR REMOVING KDPF, SCR ASSEMBLY 2376
METHOD FOR INSTALLING KDPF, SCR ASSEMBLY 2382
REMOVE AND INSTALL KDPF, SCR ASSEMBLY BRACKET .2389
METHOD FOR REMOVING KDPF, SCR ASSEMBLY BRACKET 2389
METHOD FOR INSTALLING KDPF, SCR ASSEMBLY BRACKET 2392
REMOVE AND INSTALL KCCV ASSEMBLY 2397
METHOD FOR REMOVING KCCV ASSEMBLY .2397
METHOD FOR INSTALLING KCCV ASSEMBLY .2398
REMOVE AND INSTALL AdBlue/DEF MIXING TUBE .2400
METHOD FOR REMOVING AdBlue/DEF MIXING TUBE 2401
METHOD FOR INSTALLING AdBlue/DEF MIXING TUBE 2404
REMOVE AND INSTALL AdBlue/DEF INJECTOR 2408
METHOD FOR REMOVING AdBlue/DEF INJECTOR .2408
METHOD FOR INSTALLING AdBlue/DEF INJECTOR .2411
REMOVE AND INSTALL AdBlue/DEF PUMP 2415
METHOD FOR REMOVING AdBlue/DEF PUMP .2415
METHOD FOR INSTALLING AdBlue/DEF PUMP .2418
REMOVE AND INSTALL AdBlue/DEF HOSE 2420
METHOD FOR REMOVING AdBlue/DEF HOSE .2421
METHOD FOR INSTALLING AdBlue/DEF HOSE .2427
REMOVE AND INSTALL AIR CLEANER ASSEMBLY .2435
METHOD FOR REMOVING AIR CLEANER ASSEMBLY 2435
METHOD FOR INSTALLING AIR CLEANER ASSEMBLY 2437
REMOVE AND INSTALL AIR CONDITIONER COMPRESSOR ASSEMBLY 2439
METHOD FOR REMOVING AIR CONDITIONER COMPRESSOR ASSEMBLY .2439
METHOD FOR INSTALLING AIR CONDITIONER COMPRESSOR ASSEMBLY .2440
REMOVE AND INSTALL AIR CONDITIONER CONDENSER ASSEMBLY .2442
METHOD FOR REMOVING AIR CONDITIONER CONDENSER ASSEMBLY 2442
METHOD FOR INSTALLING AIR CONDITIONER CONDENSER ASSEMBLY 2443
POWER TRAIN .2444
REMOVE AND INSTALL TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY 2444
METHOD FOR REMOVING TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY .2444
METHOD FOR INSTALLING TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY .2445
DISASSEMBLE AND ASSEMBLE FINAL DRIVE ASSEMBLY .2447
METHOD FOR DISASSEMBLING FINAL DRIVE ASSEMBLY .2448
METHOD FOR ASSEMBLING FINAL DRIVE ASSEMBLY 2452
REMOVE AND INSTALL SWING MOTOR AND SWING MACHINERY ASSEMBLY .2460
METHOD FOR REMOVING SWING MOTOR AND SWING MACHINERY ASSEMBLY 2460
METHOD FOR INSTALLING SWING MOTOR AND SWING MACHINERY ASSEMBLY 2461
DISASSEMBLE AND ASSEMBLE SWING MACHINERY ASSEMBLY .2463
METHOD FOR DISASSEMBLING SWING MACHINERY ASSEMBLY .2463
METHOD FOR ASSEMBLING SWING MACHINERY ASSEMBLY 2466
REMOVE AND INSTALL SWING CIRCLE ASSEMBLY 2474
METHOD FOR REMOVING SWING CIRCLE ASSEMBLY .2474
METHOD FOR INSTALLING SWING CIRCLE ASSEMBLY .2474
UNDERCARRIAGE AND FRAME .2476
SEPARATION AND CONNECTION OF TRACK ASSEMBLY .2476
METHOD FOR SEPARATING TRACK ASSEMBLY 2476
METHOD FOR INSTALLING TRACK ASSEMBLY 2478
REMOVE AND INSTALL SPROCKET .2481
METHOD FOR REMOVING SPROCKET 2481
METHOD FOR INSTALLING SPROCKET 2481
REMOVE AND INSTALL IDLER AND IDLER CUSHION ASSEMBLY .2483
METHOD FOR REMOVING IDLER AND IDLER CUSHION ASSEMBLY 2483
METHOD FOR INSTALLING IDLER AND IDLER CUSHION ASSEMBLY 2484
DISASSEMBLE AND ASSEMBLE IDLER ASSEMBLY .2485
METHOD FOR DISASSEMBLING IDLER ASSEMBLY .2485
METHOD FOR ASSEMBLING IDLER ASSEMBLY 2486
DISASSEMBLE AND ASSEMBLE OF IDLER CUSHION ASSEMBLY 2490
METHOD FOR DISASSEMBLING IDLER CUSHION ASSEMBLY .2491
METHOD FOR ASSEMBLING IDLER CUSHION ASSEMBLY 2491
DISASSEMBLE AND ASSEMBLE TRACK ROLLER ASSEMBLY 2493
METHOD FOR DISASSEMBLING TRACK ROLLER ASSEMBLY 2494
METHOD FOR ASSEMBLING TRACK ROLLER ASSEMBLY .2495
DISASSEMBLEAND ASSEMBLE CARRIER ROLLER ASSEMBLY .2497
METHOD FOR DISASSEMBLING CARRIER ROLLER ASSEMBLY 2497
METHOD FOR ASSEMBLING CARRIER ROLLER ASSEMBLY .2498
REMOVE AND INSTALL REVOLVING FRAME ASSEMBLY .2501
METHOD FOR REMOVING REVOLVING FRAME ASSEMBLY 2501
METHOD FOR INSTALLING REVOLVING FRAME ASSEMBLY 2503
METHOD FOR INSTALLING REVOLVING FRAME ASSEMBLY – PC390HRD-11 2505
REMOVE AND INSTALL COUNTERWEIGHT ASSEMBLY .2506
METHOD FOR REMOVING COUNTERWEIGHT ASSEMBLY 2506
METHOD FOR INSTALLING COUNTERWEIGHT ASSEMBLY 2507
HYDRAULIC SYSTEM 2510
REMOVE AND INSTALL CENTER SWIVEL JOINT ASSEMBLY .2510
METHOD FOR REMOVING CENTER SWIVEL JOINT ASSEMBLY 2510
METHOD FOR INSTALLING CENTER SWIVEL JOINT ASSEMBLY 2511
DISASSEMBLE AND ASSEMBLE CENTER SWIVEL JOINT ASSEMBLY .2514
METHOD FOR DISASSEMBLING CENTER SWIVEL JOINT ASSEMBLY .2515
METHOD FOR ASSEMBLING CENTER SWIVEL JOINT ASSEMBLY 2516
REMOVE AND INSTALL HYDRAULIC TANK ASSEMBLY 2517
METHOD FOR REMOVING HYDRAULIC TANK ASSEMBLY .2517
METHOD FOR INSTALLING HYDRAULIC TANK ASSEMBLY .2521
REMOVE AND INSTALL MAIN PUMP ASSEMBLY .2525
METHOD FOR REMOVING MAIN PUMP ASSEMBLY 2525
METHOD FOR INSTALLING MAIN PUMP ASSEMBLY 2528
REMOVE AND INSTALL CONTROL VALVE ASSEMBLY .2531
METHOD FOR REMOVING CONTROL VALVE ASSEMBLY 2531
METHOD FOR INSTALLING CONTROL VALVE ASSEMBLY 2538
DISASSEMBLE AND ASSEMBLE CONTROL VALVE ASSEMBLY .2545
METHOD FOR REPLACING PRESSURE COMPENSATION VALVE SEAL RING 2546
METHOD FOR ASSEMBLING CONTROL VALVE ASSEMBLY 2547
DISASSEMBLE AND ASSEMBLE WORK EQUIPMENT PPC VALVE ASSEMBLY 2552
METHOD FOR DISASSEMBLING WORK EQUIPMENT PPC VALVE ASSEMBLY 2552
METHOD FOR ASSEMBLING WORK EQUIPMENT PPC VALVE ASSEMBLY .2553
DISASSEMBLE AND ASSEMBLE TRAVEL PPC VALVE ASSEMBLY 2555
METHOD FOR DISASSEMBLING TRAVEL PPC VALVE ASSEMBLY 2555
METHOD FOR ASSEMBLING TRAVEL PPC VALVE ASSEMBLY .2556
REMOVE AND INSTALL QUICK COUPLER VALVE 2558
WORK EQUIPMENT 2560
REMOVE AND INSTALL BUCKET ASSEMBLY 2560
METHOD FOR REMOVING BUCKET ASSEMBLY .2560
METHOD FOR INSTALLING BUCKET ASSEMBLY .2560
REMOVE AND INSTALL ARM ASSEMBLY .2562
METHOD FOR REMOVING ARM ASSEMBLY 2562
METHOD FOR INSTALLING ARM ASSEMBLY 2563
REMOVE AND INSTALL WORK EQUIPMENT ASSEMBLY 2565
METHOD FOR REMOVING WORK EQUIPMENT ASSEMBLY .2565
METHOD FOR INSTALLING WORK EQUIPMENT ASSEMBLY .2568
DISASSEMBLE AND ASSEMBLE WORK EQUIPMENT CYLINDER ASSEMBLY .2571
METHOD FOR DISASSEMBLING WORK EQUIPMENT CYLINDER ASSEMBLY .2571
METHOD FOR ASSEMBLING WORK EQUIPMENT CYLINDER ASSEMBLY 2574
CAB AND ITS ATTACHMENTS .2581
REMOVE AND INSTALL OPERATOR’S CAB ASSEMBLY 2581
METHOD FOR REMOVING OPERATOR’S CAB ASSEMBLY .2581
METHOD FOR INSTALLING OPERATOR’S CAB ASSEMBLY .2589
REMOVE AND INSTALL OPERATOR CAB GLASS (ADHERED GLASS) .2596
METHOD FOR REMOVING OPERATOR CAB GLASS (ADHERED GLASS) 2598
METHOD FOR INSTALLING OPERATOR CAB GLASS (ADHERED GLASS) 2598
REMOVE AND INSTALL FRONT WINDOW ASSEMBLY 2608
METHOD FOR REMOVING FRONT WINDOW ASSEMBLY .2608
METHOD FOR INSTALLING FRONT WINDOW ASSEMBLY .2611
REMOVE AND INSTALL FLOOR FRAME ASSEMBLY .2617
METHOD FOR REMOVING FLOOR FRAME ASSEMBLY 2618
METHOD FOR INSTALLING FLOOR FRAME ASSEMBLY 2624
REMOVE AND INSTALL AIR CONDITIONER UNIT ASSEMBLY 2632
METHOD FOR REMOVING AIR CONDITIONER UNIT ASSEMBLY .2632
METHOD FOR INSTALLING AIR CONDITIONER UNIT ASSEMBLY .2638
REMOVE AND INSTALL OPERATOR’S SEAT 2644
METHOD FOR REMOVING OPERATOR’S SEAT .2644
METHOD FOR INSTALLING OPERATOR’S SEAT .2646
REMOVE AND INSTALL SEAT BELT 2649
METHOD FOR REMOVING SEAT BELT .2649
METHOD FOR INSTALLING SEAT BELT .2650
REMOVE AND INSTALL FRONT WIPER ASSEMBLY .2651
METHOD FOR REMOVING FRONT WIPER ASSEMBLY 2651
METHOD FOR INSTALLING FRONT WIPER ASSEMBLY 2656
ELECTRICAL SYSTEM .2665
REMOVE AND INSTALL ENGINE CONTROLLER ASSEMBLY .2665
METHOD FOR REMOVING ENGINE CONTROLLER ASSEMBLY 2665
METHOD FOR INSTALLING ENGINE CONTROLLER ASSEMBLY 2667
REMOVE AND INSTALL PUMP CONTROLLER ASSEMBLY .2671
METHOD FOR REMOVING PUMP CONTROLLER ASSEMBLY 2671
METHOD FOR INSTALLING PUMP CONTROLLER ASSEMBLY 2674
REMOVE AND INSTALL KomVision CONTROLLER ASSEMBLY 2678
METHOD FOR REMOVING KomVision CONTROLLER ASSEMBLY .2678
METHOD FOR INSTALLING KomVision CONTROLLER 2679
REMOVE AND INSTALL MACHINE MONITOR ASSEMBLY .2680
METHOD FOR REMOVING MACHINE MONITOR ASSEMBLY 2680
METHOD FOR INSTALLING MACHINE MONITOR ASSEMBLY 2683
REMOVE AND INSTALL PUMP SWASH PLATE SENSOR 2687
METHOD FOR REMOVING PUMP SWASH PLATE SENSOR .2687
METHOD FOR INSTALLING PUMP SWASH PLATE SENSOR .2687
REMOVE AND INSTALL MASS AIR FLOW AND TEMPERATURE SENSOR .2689
METHOD FOR REMOVING MASS AIR FLOW AND TEMPERATURE SENSOR 2689
METHOD FOR INSTALLING MASS AIR FLOW AND TEMPERATURE SENSOR 2690
REMOVE AND INSTALL KCCV CRANKCASE PRESSURE SENSOR .2691
METHOD FOR REMOVING KCCV CRANKCASE PRESSURE SENSOR 2691
METHOD FOR INSTALLING KCCV CRANKCASE PRESSURE SENSOR 2692
REMOVE AND INSTALL SCR TEMPERATURE SENSOR .2693
METHOD FOR REMOVING SCR TEMPERATURE SENSOR 2693
METHOD FOR INSTALLING SCR TEMPERATURE SENSOR 2694
REMOVE AND INSTALL REARVIEW CAMERA 2696
METHOD FOR REMOVING REARVIEW CAMERA .2696
METHOD FOR INSTALLING REARVIEW CAMERA .2697
REMOVE AND INSTALL KomVision CAMERA .2699
METHOD FOR REMOVING KomVision CAMERA 2699
METHOD FOR INSTALLING KomVision CAMERA 2700
REMOVE AND INSTALL KOMTRAX TERMINAL ASSEMBLY 2702
METHOD FOR REMOVING KOMTRAX TERMINAL ASSEMBLY .2702
METHOD FOR INSTALLING KOMTRAX TERMINAL ASSEMBLY .2705
60 MAINTENANCE STANDARD .2709
CONTENTS 2710
ABBREVIATION LIST .2711
ENGINE AND COOLING SYSTEM .2717
MAINTENANCE STANDARD OF ENGINE MOUNT 2717
MAINTENANCE STANDARD OF COOLING SYSTEM 2719
POWER TRAIN .2721
MAINTENANCE STANDARD OF SWING CIRCLE 2721
MAINTENANCE STANDARD OF SWING MACHINERY .2722
MAINTENANCE STANDARD OF FINAL DRIVE .2724
MAINTENANCE STANDARD OF SPROCKET 2726
MAINTENANCE STANDARD OF SPROCKET TOOTH PROFILE FULL-SCALE DRAWING .2727
UNDERCARRIAGE AND FRAME .2729
MAINTENANCE STANDARD OF TRACK FRAME AND IDLER CUSHION .2729
MAINTENANCE STANDARD OF IDLER .2731
MAINTENANCE STANDARD OF TRACK ROLLER 2733
MAINTENANCE STANDARD OF CARRIER ROLLER 2735
MAINTENANCE STANDARD OF TRACK SHOE 2736
MAINTENANCE STANDARD OF TRIPLE SHOE .2739
HYDRAULIC SYSTEM 2740
MAINTENANCE STANDARD OF HYDRAULIC TANK 2740
MAINTENANCE STANDARD OF MAIN PUMP .2741
MAINTENANCE STANDARD OF SWING MOTOR .2743
MAINTENANCE STANDARD OF TRAVEL MOTOR 2746
MAINTENANCE STANDARD OF CONTROL VALVE .2749
MAINTENANCE STANDARD OF WORK EQUIPMENT AND SWING PPC VALVE 2759
MAINTENANCE STANDARD OF TRAVEL PPC VALVE 2762
MAINTENANCE STANDARD OF 1ST-LINE ATTACHMENT PPC VALVE (WITH EPC VALVE) 2765
MAINTENANCE STANDARD OF EPC VALVE OF 1ST-LINE ATTACHMENT PPC VALVE 2767
MAINTENANCE STANDARD OF 2ND-LINE ATTACHMENT PPC VALVE .2768
MAINTENANCE STANDARD OF SOLENOID VALVE 2770
MAINTENANCE STANDARD OF HYDRAULIC DRIFT PREVENTION VALVE 2771
MAINTENANCE STANDARD OF ATTACHMENT CIRCUIT SELECTOR VALVE .2773
MAINTENANCE STANDARD OF CENTER SWIVEL JOINT .2774
WORK EQUIPMENT 2775
MAINTENANCE STANDARD OF WORK EQUIPMENT LINKAGE 2775
DIMENSION OF ARM 2780
DIMENSIONS OF BUCKET 2782
MAINTENANCE STANDARD OF BOOM CYLINDER .2784
MAINTENANCE STANDARD OF ARM CYLINDER 2785
MAINTENANCE STANDARD OF BUCKET CYLINDER .2786
WORK EQUIPMENT – PC390HRD-11 2787
WORK EQUIPMENT – HIGH REACH DEMOLITION 2787
DIMENSION OF ARM 2787
MAINTENANCE STANDARD OF BOOM CYLINDER .2788
MAINTENANCE STANDARD OF LINK CYLINDER .2789
MAINTENANCE STANDARD OF ARM CYLINDER 2790
MAINTENANCE STANDARD OF BUCKET CYLINDER .2791
WORK EQUIPMENT – DEMOLITION DIGGING .2792
MAINTENANCE STANDARD OF ARM CYLINDER 2792
MAINTENANCE STANDARD OF BUCKET CYLINDER .2793
80 APPENDIX .2795
CONTENTS 2796
ABBREVIATION LIST .2798
AIR CONDITIONER SYSTEM 2804
PRECAUTIONS FOR REFRIGERANT .2804
AIR CONDITIONER COMPONENT .2805
SPECIFICATIONS OF AIR CONDITIONER .2807
CONFIGURATION AND FUNCTION OF REFRIGERATION CYCLE .2808
OUTLINE OF REFRIGERATION CYCLE 2809
COMPONENT PARTS OF AIR CONDITIONER SYSTEM .2811
AIR CONDITIONER UNIT 2811
CONFIGURATION DIAGRAM OF AIR CONDITIONER UNIT .2811
FUNCTION OF AIR CONDITIONER UNIT 2813
COMPONENT PARTS OF AIR CONDITIONER UNIT .2815
FUNCTION OF EVAPORATOR AS AIR CONDITIONER UNIT COMPONENT 2816
FUNCTION OF HEATER CORE AS AIR CONDITIONER UNIT COMPONENT .2816
FUNCTION OF EVAPORATOR TEMPERATURE SENSOR AS AIR CONDITIONER UNIT COMPONENT .2816
FUNCTION OF SERVO MOTOR AS AIR CONDITIONER UNIT COMPONENT .2816
STRUCTURE OF EXPANSION VALVE AS AIR CONDITIONER UNIT COMPONENT 2817
FUNCTION OF EXPANSION VALVE AS AIR CONDITIONER UNIT COMPONENT .2817
OPERATE EXPANSION VALVE AS AIR CONDITIONER UNIT COMPONENT .2817
FUNCTION OF DUAL PRESSURE SWITCH 2818
AIR CONDITIONER CONTROLLER 2819
STRUCTURE OF AIR CONDITIONER CONTROLLER .2819
COMPRESSOR 2820
STRUCTURE OF COMPRESSOR .2820
SPECIFICATIONS OF COMPRESSOR 2820
FUNCTION OF COMPRESSOR 2820
CONDENSER .2821
STRUCTURE OF CONDENSER 2821
SPECIFICATIONS OF CONDENSER .2821
FUNCTION OF CONDENSER .2821
RECEIVER DRIER 2822
STRUCTURE OF RECEIVER DRIER .2822
SPECIFICATIONS OF RECEIVER DRIER 2822
FUNCTION OF RECEIVER DRIER 2822
SENSORS FOR AIR CONDITIONER SYSTEM 2823
STRUCTURE OF SUNLIGHT SENSOR 2823
FUNCTION OF SUNLIGHT SENSOR .2823
STRUCTURE OF AMBIENT TEMPERATURE SENSOR .2823
FUNCTION OF AMBIENT TEMPERATURE SENSOR 2823
EXPLANATION OF PROCEDURE FOR TESTING AND TROUBLESHOOTING OF AIR CONDITIONER .2825
CIRCUIT DIAGRAM AND ARRANGEMENT OF CONNECTOR PINS FOR AIR CONDITIONER .2827
AIR CONDITIONER SYSTEM DIAGRAM 2829
INPUT AND OUTPUT SIGNALS OF AIR CONDITIONER CONTROLLER 2830
FUNCTION OF AIR CONDITIONER CONTROLLER 2831
INSTALLATION LOCATIONS OF AIR CONDITIONER PARTS AND ARRANGEMENT OF CONNECTORS .2832
TESTING AIR LEAKAGE (DUCT) 2836
METHOD FOR TESTING AIR LEAKAGE (DUCT) .2836
TESTING AIR CONDITIONER USING SELF-DIAGNOSIS FUNCTION .2838
HOW TO OPEN THE ELECTRICAL SYSTEM ABNORMALITY RECORD SCREEN IN SERVICE MODE OF THE MACHINE MONITOR 2839
TEST VENT (MODE) CHANGEOVER .2840
METHOD FOR TESTING VENT (MODE) CHANGEOVER .2840
TESTING FRESH/RECIRC AIR CHANGEOVER .2842
METHOD FOR TESTING FRESH/RECIRC AIR CHANGEOVER 2842
TEST SUNLIGHT SENSOR 2843
METHOD FOR TESTING SUNLIGHT SENSOR 2843
TEST (DUAL) PRESSURE SWITCH FOR REFRIGERANT .2844
METHOD FOR TESTING (DUAL) PRESSURE SWITCH FOR REFRIGERANT .2844
TEST RELAYS .2845
METHOD FOR TESTING RELAYS .2845
AIR CONDITIONER TROUBLESHOOTING CHART 1 .2846
AIR CONDITIONER TROUBLESHOOTING CHART 2 .2847
INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE 2850
FAILURE CODE [879AKA] .2852
FAILURE CODE [879AKB] .2853
FAILURE CODE [879BKA] .2854
FAILURE CODE [879BKB] .2856
FAILURE CODE [879CKA] .2858
FAILURE CODE [879CKB] .2859
FAILURE CODE [879DKZ] .2860
FAILURE CODE [879EMC] .2862
FAILURE CODE [879FMC] .2863
FAILURE CODE [879GKX] .2864
A-1 TROUBLESHOOTING FOR POWER SUPPLY SYSTEM (AIR CONDITIONER DOES NOT OPERATE) 2866
A-2 TROUBLESHOOTING FOR COMPRESSOR AND REFRIGERANT SYSTEM (AIR IS NOT COOLED) .2868
A-3 TROUBLESHOOTING FOR BLOWER MOTOR SYSTEM (NO AIR COMES OUT OR AIR FLOW IS ABNORMAL) 2871
A-4 TROUBLESHOOTING FOR FRESH/RECIRC AIR CHANGEOVER .2873
TROUBLESHOOTING USING GAUGE PRESSURE 2875
CONNECTION OF SERVICE TOOL 2878
METHOD FOR CONNECTING SERVICE TOOL 2878
PRECAUTIONS FOR DISCONNECTING AND CONNECTING HOSES AND TUBES IN AIR CONDITIONER PIPINGS .2880
HANDLE COMPRESSOR OIL .2882
90 CIRCUIT DIAGRAMS .2885
CONTENTS 2886
ABBREVIATION LIST .2887
HYDRAULIC CIRCUIT DIAGRAM .2893
SYMBOLS USED IN HYDRAULIC CIRCUIT DIAGRAM .2893
HYDRAULIC CIRCUIT DIAGRAM (1/2) .2897
HYDRAULIC CIRCUIT DIAGRAM (2/2) .2899
HYDRAULIC CIRCUIT DIAGRAM (1/3) – PC390HRD-11 .2901
HYDRAULIC CIRCUIT DIAGRAM (2/3) – PC390HRD-11 .2903
HYDRAULIC CIRCUIT DIAGRAM (3/3) – PC390HRD-11 .2905
ELECTRICAL CIRCUIT DIAGRAM 2907
SYMBOLS USED IN ELECTRICAL CIRCUIT DIAGRAM 2907
ELECTRICAL CIRCUIT DIAGRAM (1/8) 2911
ELECTRICAL CIRCUIT DIAGRAM (2/8) 2913
ELECTRICAL CIRCUIT DIAGRAM (3/8) 2915
ELECTRICAL CIRCUIT DIAGRAM (4/8) 2917
ELECTRICAL CIRCUIT DIAGRAM (5/8) 2919
ELECTRICAL CIRCUIT DIAGRAM (6/8) 2921
ELECTRICAL CIRCUIT DIAGRAM (7/8) 2923
ELECTRICAL CIRCUIT DIAGRAM (8/8) 2925
INDEX 2927

DESCRIPTION:

Komatsu PC360-11,PC360LC-11,PC360NLC-11 Hydraulic Excavator Shop Manual UENBM00393 – PDF DOWNLOAD

• SERIAL NUMBERS K70001 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