Complete service repair manual with Electrical Wiring Diagrams for Komatsu Hydraulic Excavator PC238USLC, with all the technical information to maintain, diagnose, repair, and rebuild like professional mechanics.

Komatsu Hydraulic Excavator PC238USLC-11 workshop service repair manual includes:
* Numbered table of contents easy to use so that you can find the information you need fast.
* Detailed sub-steps expand on repair procedure information
* Numbered instructions guide you through every repair procedure step by step.
* Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use.
* Notes, cautions and warnings throughout each chapter pinpoint critical information.
* Bold figure number help you quickly match illustrations with instructions.
* Detailed illustrations, drawings and photos guide you through every procedure.
* Enlarged inset helps you identify and examine parts in detail.

PRODUCT DETAILS:
Total Pages: 2,841 pages
File Format: PDF
Language: English

SEN06635-04 - Komatsu Hydraulic Excavator PC238USLC-11 Shop Manual.pdf

MAIN SECTIONS
COVER...1
 00 INDEX AND FOREWORD...3
   INDEX...4
   ABBREVIATION LIST...21
   FOREWORD, SAFETY, BASIC INFORMATION...27
     HOW TO READ THE SHOP MANUAL...27
     SAFETY NOTICE FOR OPERATION...29
     PRECAUTIONS TO PREVENT FIRE...37
     ACTIONS IF FIRE OCCURS...39
     PRECAUTIONS FOR DISPOSING OF WASTE MATERIALS...40
     ACTIONS TAKEN TO MEET EXHAUST GAS REGULATIONS...41
     PRECAUTIONS FOR DEF...42
       GENERAL CHARACTER AND PRECAUTIONS FOR HANDLING...42
       PRECAUTIONS FOR ADDING...42
       PRECAUTIONS FOR STORING...42
       PRECAUTIONS FOR FIRE HAZARD AND LEAKAGE...42
       THE OTHER PRECAUTIONS...42
     PRECAUTIONS FOR HANDLING HYDRAULIC EQUIPMENT...43
     PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF PIPINGS...46
     PRECAUTIONS FOR HANDLING ELECTRICAL EQUIPMENT...53
     PRECAUTIONS FOR HANDLING FUEL SYSTEM EQUIPMENT...55
     PRECAUTIONS FOR HANDLING INTAKE SYSTEM EQUIPMENT...56
     PRACTICAL USE OF KOMTRAX...57
     DISCONNECT AND CONNECT PUSH-PULL TYPE COUPLER...58
       METHOD FOR DISCONNECTING AND CONNECTING TYPE 1 PUSH-PULL TYPE COUPLER...58
       METHOD FOR DISCONNECTING AND CONNECTING TYPE 2 PUSH-PULL TYPE COUPLER...59
       METHOD FOR DISCONNECTING AND CONNECTING TYPE 3 PUSH-PULL TYPE COUPLER...60
     PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF CONNECTORS...62
     METHOD FOR DISCONNECTING AND CONNECTING DEUTSCH CONNECTOR...66
     METHOD FOR DISCONNECTING AND CONNECTING SLIDE LOCK TYPE CONNECTOR...67
     METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PULL...69
     METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PUSH...70
     METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH HOUSING TO ROTATE...72
     HOW TO READ ELECTRICAL WIRE CODE...73
     EXPLANATION OF TERMS FOR MAINTENANCE STANDARD...77
     STANDARD TIGHTENING TORQUE TABLE...80
     CONVERSION TABLE...87
 01 SPECIFICATIONS...93
   CONTENTS...94
   ABBREVIATION LIST...95
   SPECIFICATIONS...101
     SPECIFICATION DRAWING...101
       SPECIFICATION DRAWING: PC238USLC-11...101
     WORKING RANGE DRAWINGS...103
       WORKING RANGE: PC238USLC-11...103
     SPECIFICATIONS...104
       SPECIFICATIONS: PC238USLC-11...104
     WEIGHT TABLE...107
       WEIGHT TABLE: PC238USLC-11...107
     FUEL, COOLANT, LUBRICANTS (FOR NORTH AMERICA)...109
       USE OF FUEL, COOLANT AND LUBRICANTS TO ACCORDING TO AMBIENT TEMPERATURE...109
 10 STRUCTURE AND FUNCTION...111
   CONTENTS...112
   ABBREVIATION LIST...115
   UREA SCR SYSTEM...121
     LAYOUT DRAWING OF UREA SCR SYSTEM...121
     UREA SCR SYSTEM DIAGRAM...126
     FUNCTION OF UREA SCR SYSTEM...127
       FUNCTION OF AdBlue/DEF SYSTEM...127
       INDUCEMENT STRATEGY...129
     COMPONENT PARTS OF UREA SCR SYSTEM...137
       AdBlue/DEF MIXING TUBE...137
       SCR ASSEMBLY...138
       AdBlue/DEF TANK...140
       AdBlue/DEF PUMP...142
       AdBlue/DEF INJECTOR...143
       AdBlue/DEF HOSE...144
       AdBlue/DEF TANK HEATING VALVE...145
   BOOT-UP SYSTEM...146
     LAYOUT DRAWING OF BOOT-UP SYSTEM...146
     SYSTEM OPERATING LAMP SYSTEM...148
       SYSTEM OPERATING LAMP SYSTEM DIAGRAM...148
       FUNCTION OF SYSTEM OPERATING LAMP SYSTEM...148
     BATTERY DISCONNECT SWITCH...149
       FUNCTION OF BATTERY DISCONNECT SWITCH...149
   ENGINE SYSTEM...150
     LAYOUT DRAWING OF ENGINE SYSTEM...150
       SPECIFICATIONS OF ENGINE SYSTEM...151
       FUNCTION OF ENGINE SYSTEM...151
     ENGINE CONTROL SYSTEM...152
       ENGINE CONTROL SYSTEM DIAGRAM...152
       FUNCTION OF ENGINE CONTROL SYSTEM...153
     AUTO-DECELERATION SYSTEM...155
       AUTO-DECELERATION SYSTEM DIAGRAM...155
       FUNCTION OF AUTO-DECELERATION SYSTEM...155
       OPERATION OF AUTO-DECELERATION SYSTEM...156
     ENGINE AUTOMATIC WARM-UP SYSTEM...157
       ENGINE AUTOMATIC WARM-UP SYSTEM DIAGRAM...157
       FUNCTION OF ENGINE AUTOMATIC WARM-UP SYSTEM...158
     OVERHEAT PREVENTION SYSTEM...159
       OVERHEAT PREVENTION SYSTEM DIAGRAM...159
       FUNCTION OF OVERHEAT PREVENTION SYSTEM...160
     TURBOCHARGER PROTECTION SYSTEM...162
       TURBOCHARGER PROTECTION SYSTEM DIAGRAM...162
       FUNCTION OF TURBOCHARGER PROTECTION SYSTEM...163
     AUTOMATIC IDLE STOP SYSTEM...164
       AUTOMATIC IDLE STOP SYSTEM DIAGRAM...164
       FUNCTION OF AUTOMATIC IDLE STOP SYSTEM...164
     COMPONENT PARTS OF ENGINE SYSTEM...167
       VGT...167
       EGR SYSTEM...172
       EGR VALVE...174
       EGR COOLER...176
       KCCV SYSTEM...178
       KCCV VENTILATOR...180
       KDPF...182
   COOLING SYSTEM...186
     LAYOUT DRAWING OF COOLING SYSTEM...186
       SPECIFICATIONS OF COOLING SYSTEM...187
     FAN SPEED CONTROL SYSTEM OF FAN CLUTCH...188
       FAN SPEED CONTROL SYSTEM DIAGRAM OF FAN CLUTCH...188
       FUNCTION OF FAN SPEED CONTROL SYSTEM OF FAN CLUTCH...189
     ENGINE OUTPUT CONTROL SYSTEM OF FAN CLUTCH...190
       ENGINE OUTPUT CONTROL SYSTEM DIAGRAM OF FAN CLUTCH...190
       FUNCTION OF ENGINE OUTPUT CONTROL SYSTEM OF FAN CLUTCH...190
     COMPONENT PARTS OF COOLING SYSTEM...192
       FAN CLUTCH...192
   CONTROL SYSTEM...193
     LAYOUT DRAWING OF CONTROL SYSTEM...193
     MACHINE MONITOR SYSTEM...196
       MACHINE MONITOR SYSTEM DIAGRAM...196
       FUNCTION OF MACHINE MONITOR SYSTEM...196
     KomVision SYSTEM...198
       LAYOUT DRAWING OF KomVision SYSTEM...198
       KomVision SYSTEM DIAGRAM...200
       FUNCTION OF KomVision SYSTEM...200
     KOMTRAX SYSTEM...202
       KOMTRAX SYSTEM DIAGRAM...202
       FUNCTION OF KOMTRAX SYSTEM...202
     COMPONENT PARTS OF CONTROL SYSTEM...203
       MACHINE MONITOR...203
       KomVision CONTROLLER...222
       KomVision CAMERA...226
       KOMTRAX TERMINAL...227
       PUMP CONTROLLER...229
       RESISTOR FOR PC-EPC VALVE...234
       CAN TERMINATING RESISTOR...235
       ENGINE CONTROLLER...236
       FUEL CONTROL DIAL...243
   HYDRAULIC SYSTEM...245
     LAYOUT DRAWING OF HYDRAULIC SYSTEM...245
     CLSS...249
       STRUCTURE OF CLSS...249
       OPERATION OF UNLOAD VALVE AND LS PRESSURE...251
       PUMP SWASH PLATE ANGLE (OIL FLOW) CONTROL...252
       PRESSURE COMPENSATION CONTROL...265
     ENGINE AND PUMP COMBINED CONTROL SYSTEM...268
       ENGINE AND PUMP COMBINED CONTROL SYSTEM DIAGRAM...268
       FUNCTION OF ENGINE AND PUMP COMBINED CONTROL SYSTEM...270
     PUMP AND VALVE CONTROL SYSTEM...275
       PUMP AND VALVE CONTROL SYSTEM DIAGRAM...275
       FUNCTION OF PUMP AND VALVE CONTROL SYSTEM...276
     COMPONENT PARTS OF HYDRAULIC SYSTEM...278
       HYDRAULIC TANK...278
       MAIN PUMP...280
       CONTROL VALVE...306
   WORK EQUIPMENT SYSTEM...364
     LAYOUT DRAWING OF WORK EQUIPMENT SYSTEM...364
     ONE-TOUCH POWER MAXIMIZING SYSTEM...369
       ONE-TOUCH POWER MAXIMIZING SYSTEM DIAGRAM...369
       FUNCTION OF ONE-TOUCH POWER MAXIMIZING SYSTEM...370
     PPC LOCK SYSTEM...371
       PPC LOCK SYSTEM DIAGRAM...371
       FUNCTION OF PPC LOCK SYSTEM...371
     WORK EQUIPMENT AND TRAVEL AUTOMATIC LOCK SYSTEM...372
       WORK EQUIPMENT AND TRAVEL AUTOMATIC LOCK SYSTEM DIAGRAM...372
       FUNCTION OF WORK EQUIPMENT AND TRAVEL AUTOMATIC LOCK SYSTEM...372
       OPERATION OF WORK EQUIPMENT AND TRAVEL AUTOMATIC LOCK SYSTEM...373
     OIL FLOW ADJUSTER SYSTEM FOR ATTACHMENT...374
       ATTACHMENT OIL FLOW ADJUSTER SYSTEM DIAGRAM...374
       FUNCTION OF OIL FLOW ADJUSTER SYSTEM FOR ATTACHMENT...375
     COMPONENT PARTS OF WORK EQUIPMENT SYSTEM...376
       WORK EQUIPMENT AND SWING PPC VALVE...376
       1ST-LINE ATTACHMENT PPC VALVE (WITH EPC VALVE)...382
       2ND-LINE ATTACHMENT PPC VALVE...387
       SOLENOID VALVE...389
       BOOM ANGLE POTENTIOMETER...393
       ATTACHMENT CIRCUIT SELECTOR VALVE (FOR HIGH PRESSURE)...394
       ATTACHMENT CIRCUIT SELECTOR VALVE (FOR LOW PRESSURE)...396
       PILOT CIRCUIT ACCUMULATOR...398
       ATTACHMENT CIRCUIT ACCUMULATOR...399
   SWING SYSTEM...400
     LAYOUT DRAWING OF SWING SYSTEM...400
     SWING CONTROL SYSTEM DIAGRAM...404
       FUNCTION OF SWING CONTROL SYSTEM...404
     COMPONENT PARTS OF SWING SYSTEM...408
       SWING MOTOR...408
       SWING MACHINERY...420
       SWING CIRCLE...422
   TRAVEL SYSTEM...423
     LAYOUT DRAWING OF TRAVEL SYSTEM...423
     TRAVEL CONTROL SYSTEM DIAGRAM...427
       FUNCTION OF TRAVEL CONTROL SYSTEM...428
     COMPONENT PARTS OF TRAVEL SYSTEM...429
       TRAVEL MOTOR...429
       FINAL DRIVE...442
       TRAVEL PPC VALVE...444
       CENTER SWIVEL JOINT...448
   UNDERCARRIAGE AND FRAME...450
     LAYOUT DRAWING OF UNDERCARRIAGE...450
       SPECIFICATIONS OF UNDERCARRIAGE...451
   WORK EQUIPMENT...452
     STRUCTURE OF WORK EQUIPMENT...452
     FUNCTION OF WORK EQUIPMENT...453
     WORK EQUIPMENT CLEARANCE ADJUSTMENT SHIM...454
       FUNCTION OF WORK EQUIPMENT CLEARANCE ADJUSTMENT SHIM...454
     BUCKET CLEARANCE ADJUSTMENT SHIM...455
       FUNCTION OF BUCKET CLEARANCE ADJUSTMENT SHIM...455
   CAB AND ITS ATTACHMENTS...456
     ROPS CAB...456
       STRUCTURE OF ROPS CAB...456
       FUNCTION OF ROPS CAB...456
     CAB MOUNT...457
       STRUCTURE OF CAB MOUNT...457
       FUNCTION OF CAB MOUNT...457
     CAB TIPPING STOPPER...458
       STRUCTURE OF CAB TIPPING STOPPER...458
       FUNCTION OF CAB TIPPING STOPPER...458
     TAKE WIRING HARNESS OUT OF CAB...459
 20 STANDARD VALUE TABLE...461
   CONTENTS...462
   ABBREVIATION LIST...463
   STANDARD VALUE TABLE FOR ENGINE...469
     STANDARD VALUE TABLE FOR ENGINE: PC238USLC-11...469
   STANDARD VALUE TABLE FOR MACHINE...474
     Japanese Only...474
     MACHINE POSTURE AND PROCEDURE FOR MEASURING PERFORMANCE...488
 30 TESTING AND ADJUSTING...493
   CONTENTS...494
   ABBREVIATION LIST...497
   RELATED INFORMATION ON TESTING AND ADJUSTING...503
     TOOLS FOR TESTING AND ADJUSTING...503
     SKETCH OF TOOLS FOR TESTING AND ADJUSTING...509
   ENGINE AND COOLING SYSTEM...510
     TEST ENGINE SPEED...510
       METHOD FOR TESTING ENGINE SPEED...510
     TEST BOOST PRESSURE...513
       METHOD FOR TESTING BOOST PRESSURE ON MACHINE MONITOR...513
       METHOD FOR TESTING BOOST PRESSURE...514
     TEST EXHAUST GAS COLOR...516
       METHOD FOR TESTING EXHAUST GAS COLOR BY HANDY SMOKE CHECKER...516
       METHOD FOR TESTING EXHAUST GAS COLOR BY SMOKE METER...517
     TEST AND ADJUST VALVE CLEARANCE...519
       METHOD FOR TESTING VALVE CLEARANCE...519
       METHOD FOR ADJUSTING VALVE CLEARANCE...520
     TEST COMPRESSION PRESSURE...521
       METHOD FOR TESTING COMPRESSION PRESSURE...521
     TEST BLOWBY PRESSURE...526
       METHOD FOR TESTING BLOWBY PRESSURE...526
     TEST ENGINE OIL PRESSURE...528
       METHOD FOR TESTING ENGINE OIL PRESSURE...528
     TEST EGR VALVE AND VGT OIL PRESSURE...529
       METHOD FOR TESTING EGR VALVE AND VGT OIL PRESSURE...529
     TEST FUEL PRESSURE...531
       METHOD FOR TESTING FUEL PRESSURE...532
     TEST FUEL DISCHARGE, RETURN AND LEAKAGE...537
       METHOD FOR TESTING FUEL DISCHARGE, RETURN AND LEAKAGE...538
     BLEEDING AIR FROM FUEL SYSTEM...544
       METHOD FOR BLEEDING AIR FROM FUEL SYSTEM...544
     TEST FUEL CIRCUIT FOR LEAKAGE...545
       METHOD FOR TESTING FUEL CIRCUIT FOR LEAKAGE...545
     HANDLE CYLINDER CUT-OUT MODE OPERATION...547
     HANDLE NO-INJECTION CRANKING OPERATION...548
     TEST AND ADJUST AIR CONDITIONER COMPRESSOR BELT TENSION...549
       METHOD FOR CHECKING AIR CONDITIONER COMPRESSOR BELT...549
       METHOD FOR ADJUSTING AIR CONDITIONER COMPRESSOR BELT...549
     TEST COOLING FAN SPEED...551
       METHOD FOR TESTING COOLING FAN SPEED...551
     WRITE ASH IN SOOT ACCUMULATION CORRECTION TO ENGINE CONTROLLER...552
       METHOD FOR WRITING ASH IN SOOT ACCUMULATION CORRECTION TO ENGINE CONTROLLER...552
     TEST SCR RELATED FUNCTIONS...553
       TEST AdBlue/DEF PUMP RAISED PRESSURE...557
       TEST INJECTION AMOUNT FROM AdBlue/DEF INJECTOR...560
       TEST AdBlue/DEF LINE HEATER RELAY 1...564
       TEST AdBlue/DEF LINE HEATER RELAY 2...568
       TEST AdBlue/DEF PUMP HEATER RELAY...571
       TEST AdBlue/DEF TANK HEATER VALVE...574
       TEST DENITRATION EFFICIENCY OF SCR...577
     CLEAN AdBlue/DEF TANK...581
       METHOD FOR CLEANING AdBlue/DEF TANK...581
     BLEED AIR FROM COOLANT CIRCUIT OF AdBlue/DEF TANK...585
       METHOD FOR BLEEDING AIR FROM COOLANT CIRCUIT OF AdBlue/DEF TANK...585
   POWER TRAIN...587
     TEST SWING CIRCLE BEARING CLEARANCE...587
       METHOD FOR TESTING SWING CIRCLE BEARING CLEARANCE...587
   UNDERCARRIAGE AND FRAME...588
     TEST AND ADJUST TRACK TENSION...588
       METHOD FOR TESTING TRACK TENSION...588
       METHOD FOR ADJUSTING TRACK TENSION...588
   HYDRAULIC SYSTEM...590
     RELEASE REMAINING PRESSURE FROM HYDRAULIC SYSTEM...590
       METHOD FOR RELEASING REMAINING PRESSURE FROM HYDRAULIC TANK...590
       METHOD FOR RELEASING REMAINING PRESSURE IN HYDRAULIC CYLINDER CIRCUIT...590
       METHOD FOR RELEASING REMAINING PRESSURE FROM SWING MOTOR CIRCUIT...594
       METHOD FOR RELEASING REMAINING PRESSURE FROM TRAVEL MOTOR CIRCUIT...595
     TEST AND ADJUST OIL PRESSURE IN WORK EQUIPMENT, SWING, AND TRAVEL CIRCUITS...596
       METHOD FOR TESTING OIL PRESSURE IN WORK EQUIPMENT, SWING, AND TRAVEL CIRCUITS...597
       METHOD FOR ADJUSTING OIL PRESSURE IN WORK EQUIPMENT, SWING, AND TRAVEL CIRCUITS...605
     TEST OIL PRESSURE OF CONTROL CIRCUIT...607
       METHOD FOR TESTING OIL PRESSURE OF CONTROL CIRCUIT...607
     TEST AND ADJUST OIL PRESSURE IN PUMP PC CONTROL CIRCUIT...609
       METHOD FOR TESTING PC VALVE OUTLET PRESSURE (SERVO PISTON INLET PRESSURE)...609
       METHOD FOR TESTING PC-EPC VALVE OUTLET PRESSURE...610
       METHOD FOR ADJUSTING OIL PRESSURE IN PUMP PC CONTROL CIRCUIT...611
     TEST AND ADJUST OIL PRESSURE IN PUMP LS CONTROL CIRCUIT...613
       METHOD FOR TESTING LS DIFFERENTIAL PRESSURE WITH MACHINE MONITOR...613
       METHOD FOR TESTING LS DIFFERENTIAL PRESSURE...615
       METHOD FOR TESTING LS VALVE OUTLET PRESSURE (SERVO PISTON INLET PRESSURE)...616
       METHOD FOR TESTING LS-EPC VALVE OUTLET PRESSURE...617
       METHOD FOR ADJUSTING LS VALVE...618
     TEST OUTLET PRESSURE OF SOLENOID VALVE...619
       METHOD FOR TESTING OUTLET PRESSURE OF SOLENOID VALVE...619
       OPERATING CONDITION OF SOLENOID VALVE...620
     TEST PPC VALVE OUTLET PRESSURE...623
       METHOD FOR TESTING PPC VALVE OUTLET PRESSURE...623
     ADJUST WORK EQUIPMENT AND SWING PPC VALVES...626
       METHOD FOR ADJUSTING PLAY OF WORK EQUIPMENT AND SWING PPC VALVES...626
     TEST PUMP SWASH PLATE SENSOR...627
       METHOD FOR TESTING PUMP SWASH PLATE SENSOR...627
     TEST THE PARTS CAUSING HYDRAULIC DRIFT IN WORK EQUIPMENT...628
       METHOD FOR TESTING THE PARTS CAUSING HYDRAULIC DRIFT OF BOOM CYLINDER AND BUCKET CYLINDER...628
       METHOD FOR TESTING THE PARTS CAUSING HYDRAULIC DRIFT OF ARM CYLINDER...629
       METHOD FOR TESTING OF THE PARTS CAUSING HYDRAULIC DRIFT OF BOOM LOCK VALVE...629
       METHOD FOR TESTING THE PARTS CAUSING HYDRAULIC DRIFT OF PPC VALVE...629
     TEST OIL LEAKAGE...631
       METHOD FOR TESTING OIL LEAKAGE FROM BOOM CYLINDER...631
       METHOD FOR TESTING OIL LEAKAGE FROM ARM CYLINDER...631
       METHOD FOR TESTING OIL LEAKAGE FROM BUCKET CYLINDER...632
       METHOD FOR TESTING OIL LEAKAGE FROM SWING MOTOR...632
       METHOD FOR TESTING OIL LEAKAGE FROM TRAVEL MOTOR...633
     BLEED AIR FROM HYDRAULIC CIRCUIT...634
       METHOD FOR BLEEDING AIR FROM HYDRAULIC CIRCUIT...636
   WORK EQUIPMENT...638
     ADJUST BOOM ANGLE POTENTIOMETER...638
       METHOD FOR ADJUSTING BOOM ANGLE POTENTIOMETER...638
   CAB AND ITS ATTACHMENTS...639
     TEST CAB TIPPING STOPPER...639
       METHOD FOR TESTING CAB TIPPING STOPPER...639
     METHOD FOR ADJUSTING MIRRORS...640
       PROCEDURE FOR ADJUSTING MACHINE LEFT FRONT MIRROR (A)...640
       PROCEDURE FOR ADJUSTING REGULAR POSITION OF MACHINE LEFT FRONT MIRROR (A)...641
       PROCEDURE FOR ADJUSTING MACHINE RIGHT FRONT MIRROR (B)...642
       PROCEDURE FOR ADJUSTING REGULAR POSITION OF MACHINE RIGHT FRONT MIRROR (B)...643
       PROCEDURE FOR ADJUSTING MACHINE RIGHT FRONT MIRROR (C)...644
       PROCEDURE FOR ADJUSTING REGULAR POSITION OF MACHINE RIGHT FRONT MIRROR (C)...644
       PROCEDURE FOR ADJUSTING MACHINE REAR MIRROR (D)...646
   ELECTRICAL SYSTEM...647
     SET AND OPERATE MACHINE MONITOR...647
       OPERATOR MODE...651
       DISPLAY FUNCTION OF TECHNICIAN IDENTIFICATION STATUS SCREEN...651
       DISPLAY FUNCTION OF OPERATOR IDENTIFICATION INPUT SCREEN...651
       CHECKING FUNCTION BY LCD (LIQUID CRYSTAL DISPLAY)...652
       CHECKING FUNCTION OF SERVICE METER...652
       METHOD FOR SETTING USAGE LIMITATION AND CHANGING PASSWORD...652
       SERVICE MODE...655
       METHOD FOR OPERATING SERVICE MODE...655
       METHOD FOR CHECKING PRE-DEFINED MONITORING INFORMATION...657
       METHOD FOR CHECKING SELF-DEFINE MONITORING INFORMATION...664
       ABNORMALITY RECORD MENU...676
       METHOD FOR CONFIRMING MAINTENANCE RECORD...680
       METHOD FOR OPERATING MAINTENANCE MODE SETTING...681
       METHOD FOR OPERATING PHONE NUMBER ENTRY SETTING...685
       DEFAULT MENU...687
       DIAGNOSTIC TESTS MENU...694
       ADJUSTMENT MENU...704
       METHOD FOR PERFORMING NO-INJECTION CRANKING...724
       KOMTRAX SETTINGS MENU...726
       METHOD FOR DISPLAYING SERVICE MESSAGE...728
     METHOD FOR STARTING UP KOMTRAX TERMINAL...730
     ADJUST REARVIEW CAMERA ANGLE...735
       METHOD FOR ADJUSTING REAR VIEW CAMERA ANGLE...735
     ADJUST KomVision CAMERA ANGLE...737
       METHOD FOR ADJUSTING KomVision CAMERA ANGLE...738
     ADJUST KomVision RELATED ITEMS...740
       SETTING OF KomVision (MAIN SETTING)...741
       SETTING OF KomVision (CAMERA SETTING)...744
       SETTING OF KomVision (CAMERA CALIBRATION)...746
       KomVision screen - Check 12 m visibility...758
     HANDLE VOLTAGE CIRCUIT OF ENGINE CONTROLLER...761
     HANDLE BATTERY DISCONNECT SWITCH...762
     TEST DIODES...763
       METHOD FOR TESTING DIODE USING DIGITAL TESTER...763
       METHOD FOR TESTING DIODE USING ANALOG TESTER...763
   Pm CLINIC...764
     Pm CLINIC SERVICE...764
       Pm CLINIC CHECK SHEET: PC238USLC-11...766
 40 TROUBLESHOOTING...775
   CONTENTS...776
   ABBREVIATION LIST...787
   RELATED INFORMATION ON TROUBLESHOOTING...793
     GENERAL TROUBLESHOOTING POINTS...793
     TROUBLESHOOTING POINTS FOR UREA SCR SYSTEM...794
     SEQUENCE OF EVENTS IN TROUBLESHOOTING...806
     CHECKS BEFORE TROUBLESHOOTING...808
     INSPECTION PROCEDURE BEFORE TROUBLESHOOTING...810
       WALK-AROUND CHECK...810
     TESTING IN ACCORDANCE WITH TESTING PROCEDURE...812
       CHECK FUEL LEVEL AND TYPE...812
       CHECK IMPURE INGREDIENT IN FUEL...812
       CHECK FUEL PREFILTER...813
       WATER SEPARATOR - CHECK / DRAIN WATER AND SEDIMENT...813
       METHOD FOR REPLACING FUEL PREFILTER CARTRIDGE...814
       CHECK MAIN FILTER...815
       CHECK ENGINE OIL LEVEL (OIL AMOUNT IN OIL PAN)...817
       CHECK COOLANT LEVEL (RESERVOIR TANK)...818
       CHECK CLOGGING OF AIR CLEANER...818
       OUTER ELEMENT - CLEAN...819
       ELEMENTS - REPLACE...821
       CHECK HYDRAULIC OIL LEVEL...822
       CHECK HYDRAULIC OIL STRAINER...823
       CHECK HYDRAULIC FILTER...824
       CHECK OIL LEVEL IN SWING MACHINERY CASE...825
       CHECK OIL LEVEL IN DAMPER CASE...826
       CHECK OIL LEVEL IN FINAL DRIVE CASE...826
       BLEED AIR FROM FUEL SYSTEM...827
       BLEED AIR FROM HYDRAULIC SYSTEM...827
       METHOD FOR CHECKING ELECTRIC EQUIPMENTmethod...827
     PREPARATION FOR TROUBLESHOOTING OF ELECTRICAL SYSTEM...833
       PREPARATION FOR TROUBLESHOOTING OF MACHINE MONITOR...833
       PREPARATION FOR TROUBLESHOOTING OF ENGINE CONTROLLER...833
       PREPARATION FOR TROUBLESHOOTING OF PUMP CONTROLLER...834
       PREPARATION FOR TROUBLESHOOTING OF KOMTRAX TERMINAL...834
       METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH SPECIAL LOCK...835
     PROCEDURE FOR TESTING AND TROUBLESHOOTING...840
     SYMPTOMS OF FAILURE AND TROUBLESHOOTING NUMBERS...843
     INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE...847
     TROUBLESHOOTING METHOD FOR OPEN CIRCUIT IN WIRING HARNESS OF PRESSURE SENSOR SYSTEM...849
     CONNECTORS LIST AND LAYOUT...852
     CONNECTOR CONTACT IDENTIFICATION...866
     T-BRANCH BOX AND T-BRANCH ADAPTER TABLE...906
     FUSE LOCATION TABLE...912
     PRECAUTIONS FOR CLEANING AND REPLACING KDPF (KCSF and KDOC)...914
     PREPARATION OF SHORT CIRCUIT ELECTRICAL CONNECTOR (FOR FAILURE CODES [CA1883] AND [CA3135])...918
     FAILURE CODES TABLE...920
   TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE)...937
     FAILURE CODE [879AKA]...937
     FAILURE CODE [879AKB]...938
     FAILURE CODE [879BKA]...939
     FAILURE CODE [879BKB]...941
     FAILURE CODE [879CKA]...943
     FAILURE CODE [879CKB]...944
     FAILURE CODE [879DKZ]...945
     FAILURE CODE [879EMC]...947
     FAILURE CODE [879FMC]...948
     FAILURE CODE [879GKX]...949
     FAILURE CODE [989L00]...951
     FAILURE CODE [989M00]...952
     FAILURE CODE [989N00]...953
     FAILURE CODE [A1U0N3]...954
     FAILURE CODE [A1U0N4]...956
     FAILURE CODE [A900FR]...958
     FAILURE CODE [A900N6]...959
     FAILURE CODE [A900NY]...960
     FAILURE CODE [AA10NX]...961
     FAILURE CODE [AB00KE]...963
     FAILURE CODE [AQ10N3]...965
     FAILURE CODE [AS00N3]...967
     FAILURE CODE [AS00R2]...969
     FAILURE CODE [AS00R3]...970
     FAILURE CODE [AS00R4]...971
     FAILURE CODE [AS00R5]...972
     FAILURE CODE [AS00R6]...973
     FAILURE CODE [AS00ZK]...974
     FAILURE CODE [AS10KM]...975
     FAILURE CODE [AS10NR]...976
     FAILURE CODE [AS10NT]...977
     FAILURE CODE [B@BAZG]...978
     FAILURE CODE [B@BAZK]...980
     FAILURE CODE [B@BCNS]...982
     FAILURE CODE [B@BCQA]...984
     FAILURE CODE [B@BCZK]...986
     FAILURE CODE [B@HANS]...988
     FAILURE CODE [CA115]...990
     FAILURE CODE [CA122]...995
     FAILURE CODE [CA123]...998
     FAILURE CODE [CA131]...1000
     FAILURE CODE [CA132]...1002
     FAILURE CODE [CA144]...1004
     FAILURE CODE [CA145]...1006
     FAILURE CODE [CA153]...1008
     FAILURE CODE [CA154]...1010
     FAILURE CODE [CA187]...1012
     FAILURE CODE [CA221]...1014
     FAILURE CODE [CA222]...1016
     FAILURE CODE [CA227]...1018
     FAILURE CODE [CA234]...1019
     FAILURE CODE [CA238]...1020
     FAILURE CODE [CA239]...1021
     FAILURE CODE [CA249]...1022
     FAILURE CODE [CA256]...1024
     FAILURE CODE [CA271]...1026
     FAILURE CODE [CA272]...1028
     FAILURE CODE [CA322]...1030
     FAILURE CODE [CA323]...1032
     FAILURE CODE [CA324]...1034
     FAILURE CODE [CA325]...1036
     FAILURE CODE [CA331]...1038
     FAILURE CODE [CA332]...1040
     FAILURE CODE [CA343]...1042
     FAILURE CODE [CA351]...1044
     FAILURE CODE [CA352]...1046
     FAILURE CODE [CA356]...1048
     FAILURE CODE [CA357]...1050
     FAILURE CODE [CA386]...1052
     FAILURE CODE [CA428]...1054
     FAILURE CODE [CA429]...1056
     FAILURE CODE [CA435]...1058
     FAILURE CODE [CA441]...1060
     FAILURE CODE [CA442]...1062
     FAILURE CODE [CA449]...1063
     FAILURE CODE [CA451]...1064
     FAILURE CODE [CA452]...1066
     FAILURE CODE [CA488]...1068
     FAILURE CODE [CA515]...1071
     FAILURE CODE [CA516]...1073
     FAILURE CODE [CA553]...1075
     FAILURE CODE [CA555]...1076
     FAILURE CODE [CA556]...1078
     FAILURE CODE [CA559]...1080
     FAILURE CODE [CA595]...1083
     FAILURE CODE [CA687]...1085
     FAILURE CODE [CA689]...1087
     FAILURE CODE [CA691]...1090
     FAILURE CODE [CA692]...1092
     FAILURE CODE [CA697]...1094
     FAILURE CODE [CA698]...1095
     FAILURE CODE [CA731]...1096
     FAILURE CODE [CA778]...1098
     FAILURE CODE [CA1117]...1103
     FAILURE CODE [CA1664]...1104
     FAILURE CODE [CA1669]...1107
     FAILURE CODE [CA1673]...1108
     FAILURE CODE [CA1677]...1109
     FAILURE CODE [CA1678]...1110
     FAILURE CODE [CA1682]...1111
     FAILURE CODE [CA1683]...1115
     FAILURE CODE [CA1684]...1117
     FAILURE CODE [CA1686]...1119
     FAILURE CODE [CA1691]...1120
     FAILURE CODE [CA1694]...1123
     FAILURE CODE [CA1695]...1125
     FAILURE CODE [CA1696]...1127
     FAILURE CODE [CA1712]...1129
     FAILURE CODE [CA1713]...1132
     FAILURE CODE [CA1714]...1135
     FAILURE CODE [CA1715]...1136
     FAILURE CODE [CA1776]...1137
     FAILURE CODE [CA1777]...1140
     FAILURE CODE [CA1843]...1143
     FAILURE CODE [CA1844]...1145
     FAILURE CODE [CA1879]...1147
     FAILURE CODE [CA1881]...1149
     FAILURE CODE [CA1883]...1151
     FAILURE CODE [CA1885]...1156
     FAILURE CODE [CA1887]...1158
     FAILURE CODE [CA1921]...1160
     FAILURE CODE [CA1922]...1163
     FAILURE CODE [CA1942]...1168
     FAILURE CODE [CA1993]...1170
     FAILURE CODE [CA2185]...1173
     FAILURE CODE [CA2186]...1174
     FAILURE CODE [CA2249]...1176
     FAILURE CODE [CA2271]...1179
     FAILURE CODE [CA2272]...1181
     FAILURE CODE [CA2288]...1183
     FAILURE CODE [CA2311]...1185
     FAILURE CODE [CA2349]...1187
     FAILURE CODE [CA2353]...1189
     FAILURE CODE [CA2357]...1191
     FAILURE CODE [CA2381]...1194
     FAILURE CODE [CA2382]...1196
     FAILURE CODE [CA2383]...1199
     FAILURE CODE [CA2386]...1201
     FAILURE CODE [CA2387]...1203
     FAILURE CODE [CA2555]...1206
     FAILURE CODE [CA2556]...1208
     FAILURE CODE [CA2637]...1210
     FAILURE CODE [CA2639]...1212
     FAILURE CODE [CA2771]...1214
     FAILURE CODE [CA2777]...1219
     FAILURE CODE [CA2976]...1222
     FAILURE CODE [CA3133]...1224
     FAILURE CODE [CA3134]...1226
     FAILURE CODE [CA3135]...1228
     FAILURE CODE [CA3142]...1231
     FAILURE CODE [CA3143]...1232
     FAILURE CODE [CA3144]...1233
     FAILURE CODE [CA3146]...1236
     FAILURE CODE [CA3147]...1237
     FAILURE CODE [CA3148]...1238
     FAILURE CODE [CA3151]...1241
     FAILURE CODE [CA3165]...1248
     FAILURE CODE [CA3229]...1250
     FAILURE CODE [CA3231]...1253
     FAILURE CODE [CA3232]...1256
     FAILURE CODE [CA3235]...1261
     FAILURE CODE [CA3239]...1264
     FAILURE CODE [CA3241]...1267
     FAILURE CODE [CA3242]...1269
     FAILURE CODE [CA3251]...1272
     FAILURE CODE [CA3253]...1274
     FAILURE CODE [CA3254]...1278
     FAILURE CODE [CA3255]...1282
     FAILURE CODE [CA3256]...1285
     FAILURE CODE [CA3311]...1288
     FAILURE CODE [CA3312]...1291
     FAILURE CODE [CA3313]...1294
     FAILURE CODE [CA3314]...1295
     FAILURE CODE [CA3315]...1296
     FAILURE CODE [CA3316]...1298
     FAILURE CODE [CA3317]...1299
     FAILURE CODE [CA3318]...1300
     FAILURE CODE [CA3319]...1303
     FAILURE CODE [CA3321]...1305
     FAILURE CODE [CA3322]...1307
     FAILURE CODE [CA3419]...1310
     FAILURE CODE [CA3421]...1312
     FAILURE CODE [CA3497]...1314
     FAILURE CODE [CA3498]...1315
     FAILURE CODE [CA3543]...1316
     FAILURE CODE [CA3545]...1322
     FAILURE CODE [CA3547]...1324
     FAILURE CODE [CA3558]...1325
     FAILURE CODE [CA3559]...1327
     FAILURE CODE [CA3562]...1329
     FAILURE CODE [CA3563]...1331
     FAILURE CODE [CA3567]...1334
     FAILURE CODE [CA3568]...1337
     FAILURE CODE [CA3571]...1342
     FAILURE CODE [CA3572]...1344
     FAILURE CODE [CA3574]...1346
     FAILURE CODE [CA3575]...1349
     FAILURE CODE [CA3577]...1351
     FAILURE CODE [CA3578]...1353
     FAILURE CODE [CA3582]...1355
     FAILURE CODE [CA3583]...1364
     FAILURE CODE [CA3596]...1366
     FAILURE CODE [CA3649]...1370
     FAILURE CODE [CA3681]...1373
     FAILURE CODE [CA3682]...1378
     FAILURE CODE [CA3713]...1383
     FAILURE CODE [CA3717]...1386
     FAILURE CODE [CA3718]...1387
     FAILURE CODE [CA3725]...1388
     FAILURE CODE [CA3741]...1391
     FAILURE CODE [CA3748]...1392
     FAILURE CODE [CA3751]...1395
     FAILURE CODE [CA3755]...1397
     FAILURE CODE [CA3866]...1399
     FAILURE CODE [CA3867]...1403
     FAILURE CODE [CA3868]...1406
     FAILURE CODE [CA3899]...1411
     FAILURE CODE [CA3911]...1413
     FAILURE CODE [CA3912]...1418
     FAILURE CODE [CA3932]...1420
     FAILURE CODE [CA3933]...1422
     FAILURE CODE [CA3934]...1424
     FAILURE CODE [CA3935]...1427
     FAILURE CODE [CA3936]...1429
     FAILURE CODE [CA4151]...1431
     FAILURE CODE [CA4152]...1437
     FAILURE CODE [CA4155]...1442
     FAILURE CODE [CA4156]...1444
     FAILURE CODE [CA4157]...1447
     FAILURE CODE [CA4158]...1449
     FAILURE CODE [CA4159]...1450
     FAILURE CODE [CA4161]...1451
     FAILURE CODE [CA4162]...1454
     FAILURE CODE [CA4163]...1457
     FAILURE CODE [CA4164]...1458
     FAILURE CODE [CA4165]...1460
     FAILURE CODE [CA4166]...1462
     FAILURE CODE [CA4168]...1464
     FAILURE CODE [CA4169]...1468
     FAILURE CODE [CA4171]...1472
     FAILURE CODE [CA4249]...1476
     FAILURE CODE [CA4251]...1480
     FAILURE CODE [CA4259]...1484
     FAILURE CODE [CA4261]...1487
     FAILURE CODE [CA4277]...1490
     FAILURE CODE [CA4281]...1492
     FAILURE CODE [CA4459]...1495
     FAILURE CODE [CA4461]...1497
     FAILURE CODE [CA4658]...1500
     FAILURE CODE [CA4731]...1503
     FAILURE CODE [CA4732]...1504
     FAILURE CODE [CA4739]...1505
     FAILURE CODE [CA4768]...1506
     FAILURE CODE [CA4769]...1508
     FAILURE CODE [CA4842]...1511
     FAILURE CODE [CA4952]...1514
     FAILURE CODE [CA5115]...1516
     FAILURE CODE [CA5179]...1519
     FAILURE CODE [CA5181]...1521
     FAILURE CODE [CA5383]...1523
     FAILURE CODE [D110KB]...1525
     FAILURE CODE [D19JKZ]...1527
     FAILURE CODE [D811MC]...1530
     FAILURE CODE [D862KA]...1531
     FAILURE CODE [D8ALKA]...1532
     FAILURE CODE [D8ALKB]...1534
     FAILURE CODE [D8AQKR]...1536
     FAILURE CODE [DA20MC]...1540
     FAILURE CODE [DA22KK]...1541
     FAILURE CODE [DA25KP]...1544
     FAILURE CODE [DA29KQ]...1547
     FAILURE CODE [DA2LKA]...1550
     FAILURE CODE [DA2LKB]...1552
     FAILURE CODE [DA2QKR]...1554
     FAILURE CODE [DA2RKR]...1559
     FAILURE CODE [DAF0KM]...1564
     FAILURE CODE [DAF0MB]...1565
     FAILURE CODE [DAF0MC]...1566
     FAILURE CODE [DAF8KB]...1567
     FAILURE CODE [DAF9KQ]...1569
     FAILURE CODE [DAFGMC]...1570
     FAILURE CODE [DAFLKA]...1571
     FAILURE CODE [DAFLKB]...1573
     FAILURE CODE [DAFQKR]...1575
     FAILURE CODE [DAZ9KQ]...1579
     FAILURE CODE [DAZQKR]...1580
     FAILURE CODE [DB2QKR]...1584
     FAILURE CODE [DB2RKR]...1589
     FAILURE CODE [DBP0KM]...1595
     FAILURE CODE [DBP0KT]...1596
     FAILURE CODE [DBPQKR]...1597
     FAILURE CODE [DDNRKA]...1602
     FAILURE CODE [DDNRKY]...1604
     FAILURE CODE [DDNS00]...1606
     FAILURE CODE [DFB1KZ]...1608
     FAILURE CODE [DFB2KZ]...1610
     FAILURE CODE [DFB3L8]...1612
     FAILURE CODE [DFB4L8]...1614
     FAILURE CODE [DFB5KZ]...1616
     FAILURE CODE [DFB6KZ]...1618
     FAILURE CODE [DGH2KA]...1620
     FAILURE CODE [DGH2KB]...1622
     FAILURE CODE [DHA4KA]...1624
     FAILURE CODE [DHAAMA]...1626
     FAILURE CODE [DHACMA]...1628
     FAILURE CODE [DHPAMA]...1630
     FAILURE CODE [DHPBMA]...1632
     FAILURE CODE [DHS3MA]...1634
     FAILURE CODE [DHS4MA]...1636
     FAILURE CODE [DHS8MA]...1638
     FAILURE CODE [DHS9MA]...1640
     FAILURE CODE [DHSAMA]...1642
     FAILURE CODE [DHSBMA]...1644
     FAILURE CODE [DHSCMA]...1646
     FAILURE CODE [DHSDMA]...1648
     FAILURE CODE [DHSFMA]...1650
     FAILURE CODE [DHSGMA]...1652
     FAILURE CODE [DHSHMA]...1654
     FAILURE CODE [DHSJMA]...1656
     FAILURE CODE [DKR0MA]...1658
     FAILURE CODE [DKR1MA]...1661
     FAILURE CODE [DKULKA]...1664
     FAILURE CODE [DKULKB]...1666
     FAILURE CODE [DKULKY]...1668
     FAILURE CODE [DLM5KA]...1670
     FAILURE CODE [DLM5MB]...1672
     FAILURE CODE [DR10KA]...1675
     FAILURE CODE [DR21KX]...1678
     FAILURE CODE [DR31KX]...1680
     FAILURE CODE [DUMBKA]...1682
     FAILURE CODE [DUMBKB]...1684
     FAILURE CODE [DV20KB]...1686
     FAILURE CODE [DW43KA]...1688
     FAILURE CODE [DW43KB]...1690
     FAILURE CODE [DW43KY]...1692
     FAILURE CODE [DW45KA]...1694
     FAILURE CODE [DW45KB]...1697
     FAILURE CODE [DW45KY]...1700
     FAILURE CODE [DW4CKY]...1702
     FAILURE CODE [DW4GKA]...1704
     FAILURE CODE [DW91KA]...1706
     FAILURE CODE [DW91KB]...1708
     FAILURE CODE [DW91KY]...1710
     FAILURE CODE [DWA2KA]...1712
     FAILURE CODE [DWA2KB]...1714
     FAILURE CODE [DWA2KY]...1716
     FAILURE CODE [DWK0KA]...1718
     FAILURE CODE [DWK0KB]...1720
     FAILURE CODE [DWK0KY]...1722
     FAILURE CODE [DWK2KA]...1724
     FAILURE CODE [DWK2KB]...1726
     FAILURE CODE [DWK2KY]...1728
     FAILURE CODE [DWK8KA]...1730
     FAILURE CODE [DWK8KB]...1732
     FAILURE CODE [DWK8KY]...1734
     FAILURE CODE [DWN5KY]...1736
     FAILURE CODE [DXA8KA]...1738
     FAILURE CODE [DXA8KB]...1740
     FAILURE CODE [DXA9KA]...1742
     FAILURE CODE [DXA9KB]...1744
     FAILURE CODE [DXE0KA]...1746
     FAILURE CODE [DXE0KB]...1748
     FAILURE CODE [DXE4KA]...1750
     FAILURE CODE [DXE4KB]...1752
     FAILURE CODE [DXE4KY]...1754
     FAILURE CODE [DXE5KA]...1756
     FAILURE CODE [DXE5KB]...1758
     FAILURE CODE [DXE6KA]...1760
     FAILURE CODE [DXE6KB]...1762
     FAILURE CODE [DXE7KA]...1764
     FAILURE CODE [DXE7KB]...1766
     FAILURE CODE [DXE7KY]...1768
     FAILURE CODE [DXE8KA]...1770
     FAILURE CODE [DXE8KB]...1772
     FAILURE CODE [DXE8KY]...1774
     FAILURE CODE [DXE9KA]...1776
     FAILURE CODE [DXE9KB]...1778
     FAILURE CODE [DXE9KY]...1780
     FAILURE CODE [DXEAKA]...1782
     FAILURE CODE [DXEAKB]...1784
     FAILURE CODE [DXEAKY]...1786
     FAILURE CODE [DY20KA]...1788
     FAILURE CODE [DY20MA]...1790
     FAILURE CODE [DY2CKB]...1792
     FAILURE CODE [DY2DKB]...1794
     FAILURE CODE [DY2EKB]...1796
   TROUBLESHOOTING OF ELECTRICAL SYSTEM (E-MODE)...1798
     E-1 ENGINE DOES NOT START (ENGINE DOES NOT CRANK)...1798
     E-2 MANUAL PREHEATING SYSTEM DOES NOT WORK...1804
     E-3 AUTOMATIC PREHEATING SYSTEM DOES NOT WORK...1807
     E-4 WHILE PREHEATING IS WORKING, PREHEATING MONITOR DOES NOT LIGHT UP...1809
     E-5 WHEN STARTING SWITCH IS TURNED TO ON POSITION, MACHINE MONITOR DISPLAYS NOTHING...1811
     E-6 WHILE STARTING SWITCH IS TURNED TO ON POSITION (WITH ENGINE STOPPED), ENGINE OIL LEVEL MONITOR LIGHTS UP IN YELLOW...1814
     E-7 WHILE STARTING SWITCH IS TURNED TO ON POSITION (WITH ENGINE STOPPED), RADIATOR COOLANT LEVEL MONITOR LIGHTS UP IN YELLOW...1815
     E-8 ENGINE COOLANT TEMPERATURE MONITOR LIGHTS UP IN WHITE WHILE ENGINE IS RUNNING...1816
     E-9 HYDRAULIC OIL TEMPERATURE MONITOR LIGHTS UP IN WHITE WHILE ENGINE IS RUNNING...1817
     E-10 AIR CLEANER CLOGGING MONITOR LIGHTS UP IN YELLOW WHILE ENGINE IS RUNNING...1818
     E-11 CHARGE LEVEL MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING...1819
     E-12 FUEL LEVEL MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING...1820
     E-13 WATER SEPARATOR MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING...1821
     E-14 ENGINE COOLANT TEMPERATURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING...1822
     E-15 ENGINE OIL PRESSURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING...1823
     E-16 HYDRAULIC OIL TEMPERATURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING...1824
     E-17 FUEL GAUGE DISPLAY DOES NOT MOVE FROM MINIMUM OR MAXIMUM...1825
     E-18 DISPLAY OF FUEL GAUGE DIFFERS FROM ACTUAL FUEL LEVEL...1827
     E-19 ENGINE COOLANT TEMPERATURE GAUGE DISPLAY DOES NOT MOVE FROM MINIMUM OR MAXIMUM...1828
     E-20 DISPLAY OF ENGINE COOLANT TEMPERATURE GAUGE DIFFERS FROM ACTUAL COOLANT TEMPERATURE...1829
     E-21 HYDRAULIC OIL TEMPERATURE GAUGE DISPLAY DOES NOT MOVE FROM MINIMUM OR MAXIMUM...1830
     E-22 DISPLAY OF HYDRAULIC OIL TEMPERATURE GAUGE DIFFERS FROM ACTUAL OIL TEMPERATURE...1832
     E-23 SOME AREAS OF MACHINE MONITOR SCREEN ARE NOT DISPLAYED...1833
     E-24 FUNCTION SWITCH DOES NOT OPERATE...1834
     E-25 AUTOMATIC WARM-UP SYSTEM DOES NOT WORK (IN COLD WEATHER)...1835
     E-26 WHEN AUTO-DECELERATOR SWITCH IS OPERATED, AUTO-DECELERATOR MONITOR DOES NOT LIGHT UP OR DOES NOT GO OFF...1836
     E-27 AUTO-DECELERATOR IS NOT OPERATED OR CANCELED WITH LEVER...1837
     E-28 WHEN WORKING MODE SWITCH IS OPERATED, WORKING MODE SELECTION SCREEN IS NOT DISPLAYED...1838
     E-29 WHEN WORKING MODE IS CHANGED, SETTING OF ENGINE AND HYDRAULIC PUMP IS NOT CHANGED...1839
     E-30 WHEN TRAVEL SPEED SWITCH IS OPERATED, TRAVEL SPEED MONITOR DOES NOT CHANGE...1840
     E-31 WHEN TRAVEL SPEED SELECTION IS CHANGED, ACTUAL TRAVEL SPEED DOES NOT CHANGE...1841
     E-32 ALARM BUZZER CANNOT BE CANCELED...1843
     E-33 SERVICE METER IS NOT DISPLAYED, WHILE STARTING SWITCH IS IN OFF POSITION...1844
     E-34 SERVICE MODE CANNOT BE SELECTED...1845
     E-35 ALL OF WORK EQUIPMENTS, SWING, AND TRAVEL MECHANISM DO NOT MOVE...1846
     E-36 ALL OF WORK EQUIPMENT, SWING, AND TRAVEL MECHANISM DO NOT LOCK...1849
     E-37 WHEN SWING BRAKE CANCEL SWITCH IS SET TO CANCEL POSITION, MACHINE CANNOT SWING...1851
     E-38 WHEN SWING BRAKE CANCEL SWITCH IS SET TO NORMAL POSITION, SWING HOLDING BRAKE DOES NOT OPERATE...1854
     E-39 ONE-TOUCH POWER MAXIMIZING FUNCTION DOES NOT OPERATE PROPERLY, OR INDICATOR NOT DISPLAYED ON MONITOR...1856
     E-40 ONE-TOUCH POWER MAXIMIZING FUNCTION IS NOT CANCELLED...1858
     E-41 ALARM DOES NOT SOUND DURING TRAVEL...1859
     E-42 ALARM DOES NOT STOP SOUNDING WHILE MACHINE IS STOPPED...1861
     E-43 HORN DOES NOT SOUND...1862
     E-44 HORN DOES NOT STOP SOUNDING...1865
     E-45 WHEN WIPER SWITCH IS OPERATED, WIPER MONITOR DOES NOT LIGHT UP OR GO OFF...1867
     E-46 WHEN WIPER SWITCH IS OPERATED, WINDSHIELD WIPER DOES NOT OPERATE...1868
     E-47 WHEN WINDOW WASHER SWITCH IS OPERATED, WINDOW WASHER DOES NOT OPERATE...1870
     E-48 BOOM RAISE INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION...1871
     E-49 BOOM LOWER INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION...1872
     E-50 ARM OUT INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION...1873
     E-51 ARM IN INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION...1874
     E-52 BUCKET DUMP INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION...1875
     E-53 BUCKET CURL INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION...1876
     E-54 SWING INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION...1877
     E-55 TRAVEL INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION...1878
     E-56 SERVICE INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION...1879
     E-57 ATTACHMENT HYDRAULIC CIRCUIT CANNOT BE CHANGED...1881
     E-58 KOMTRAX SYSTEM DOES NOT OPERATE NORMALLY...1883
   TROUBLESHOOTING FOR HYDRAULIC AND MECHANICAL SYSTEMS (H MODE)...1884
     INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (H MODE)...1884
     SYSTEM CHART OF HYDRAULIC AND MECHANICAL SYSTEMS...1885
     FAILURE MODE AND CAUSE TABLE...1887
     H-1 ALL WORK EQUIPMENT, SWING AND TRAVEL DO NOT WORK...1899
     H-2 ALL WORK EQUIPMENT, SWING AND TRAVEL LACK SPEED AND POWER...1900
     H-3 FINE CONTROL PERFORMANCE OR RESPONSE IS POOR...1902
     H-4 UNUSUAL NOISE IS HEARD FROM AROUND HYDRAULIC PUMP...1903
     H-5 ENGINE SPEED DROPS LARGELY OR ENGINE STOPS...1904
     H-6 SPEED OR POWER OF BOOM IS LOW...1906
     H-7 ARM SPEED OR POWER IS LOW...1911
     H-8 BUCKET SPEED OR POWER IS LOW...1916
     H-9 WORK EQUIPMENT DOES NOT MOVE IN SINGLE OPERATION...1919
     H-10 HYDRAULIC DRIFT OF BOOM IS LARGE...1920
     H-11 HYDRAULIC DRIFT OF ARM IS LARGE...1922
     H-12 HYDRAULIC DRIFT OF BUCKET IS LARGE...1924
     H-13 WHEN SINGLE WORK EQUIPMENT IS RELIEVED HYDRAULICALLY, OTHER WORK EQUIPMENT MOVES...1925
     H-14 TIME LAG OF WORK EQUIPMENT IS LARGE...1926
     H-15 ONE-TOUCH POWER MAXIMIZING FUNCTION DOES NOT OPERATE...1927
     H-16 ATTACHMENT CIRCUIT CANNOT BE CHANGED...1928
     H-17 OIL FLOW IN ATTACHMENT CIRCUIT CANNOT BE CHANGED...1929
     H-18 IN COMBINED OPERATION OF WORK EQUIPMENT, EQUIPMENT HAVING HEAVIER LOAD MOVES SLOWER...1930
     H-19 IN COMBINED OPERATION OF SWING AND TRAVEL, TRAVEL SPEED DROPS LARGELY...1931
     H-20 IN COMBINED OPERATION OF SWING AND BOOM RAISE, BOOM RISING SPEED IS LOW...1932
     H-21 MACHINE DOES NOT TRAVEL STRAIGHT...1933
     H-22 MACHINE IS NOT STEERED WELL OR STEERING POWER IS LOW...1935
     H-23 TRAVEL SPEED IS LOW...1938
     H-24 ONE OF TRACKS DOES NOT RUN...1940
     H-25 TRAVEL SPEED DOES NOT CHANGE, OR TRAVEL SPEED IS TOO SLOW OR FAST...1941
     H-26 UPPER STRUCTURE DOES NOT SWING BOTH TO THE RIGHT AND LEFT...1942
     H-27 SWINGS ONLY IN ONE DIRECTION...1943
     H-28 SWING ACCELERATION OR SWING SPEED IS LOW IN BOTH DIRECTIONS (RIGHT AND LEFT)...1944
     H-29 SWING ACCELERATION PERFORMANCE IS POOR OR SWING SPEED IS SLOW IN ONLY ONE DIRECTION...1945
     H-30 UPPER STRUCTURE OVERRUNS EXCESSIVELY WHEN IT STOPS SWINGING (BOTH RIGHT AND LEFT)...1946
     H-31 UPPER STRUCTURE OVERRUNS EXCESSIVELY WHEN IT STOPS SWINGING (ONLY ONE DIRECTION EITHER RIGHT OR LEFT)...1947
     H-32 SHOCK IS LARGE WHEN UPPER STRUCTURE STOPS SWINGING...1948
     H-33 LARGE UNUSUAL NOISE IS HEARD WHEN UPPER STRUCTURE STOPS SWINGING...1949
     H-34 SWING DRIFT ON A SLOPE IS LARGE (WHILE SWING PARKING BRAKE IS APPLIED)...1950
     H-35 SWING DRIFT ON A SLOPE IS LARGE (WHILE SWING PARKING BRAKE IS RELEASED)...1951
     H-36 FAN SPEED IS ABNORMAL (TOO HIGH OR LOW, OR STATIONARY)...1952
     H-37 UNUSUAL NOISE IS HEARD FROM AROUND FAN...1953
   TROUBLESHOOTING OF ENGINE (S-MODE)...1954
     INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (S MODE)...1954
     S-1 ENGINE DOES NOT CRANK WHEN STARTING SWITCH IS TURNED TO START POSITION...1955
     S-2 ENGINE CRANKS BUT NO EXHAUST GAS COMES OUT...1956
     S-3 FUEL IS BEING INJECTED BUT ENGINE DOES NOT START (MISFIRING: ENGINE CRANKS BUT DOES NOT START)...1957
     S-4 ENGINE STARTABILITY IS POOR...1959
     S-5 ENGINE DOES NOT PICK UP SMOOTHLY...1961
     S-6 ENGINE STOPS DURING OPERATION...1963
     S-7 ENGINE RUNS ROUGH OR IS UNSTABLE...1965
     S-8 ENGINE LACKS POWER...1966
     S-9 KDPF GETS CLOGGED IN A SHORT TIME...1968
     S-10 ENGINE OIL CONSUMPTION IS EXCESSIVE...1970
     S-11 OIL BECOMES CONTAMINATED QUICKLY...1971
     S-12 FUEL CONSUMPTION IS EXCESSIVE...1972
     S-13 OIL IS IN COOLANT (OR COOLANT SPURTS BACK OR COOLANT LEVEL GOES DOWN)...1973
     S-14 OIL PRESSURE DROPS...1974
     S-15 FUEL MIXES INTO ENGINE OIL...1976
     S-16 WATER MIXES INTO ENGINE OIL (MILKY)...1977
     S-17 COOLANT TEMPERATURE RISES TOO HIGH (OVERHEATING)...1978
     S-18 UNUSUAL NOISE IS HEARD...1979
     S-19 VIBRATION IS EXCESSIVE...1980
     S-20 AIR CANNOT BE BLED FROM FUEL CIRCUIT...1981
     S-21 ACTIVE REGENERATION IS EXECUTED FREQUENTLY...1982
     S-22 ACTIVE REGENERATION TAKES TIME...1984
     S-23 WHITE SMOKE IS EXHAUSTED DURING ACTIVE REGENERATION...1985
     S-24 AdBlue/DEF CONSUMPTION IS EXCESSIVE...1986
     S-25 THERE IS UNUSUAL SMELL (IRRITATING ODOR)...1988
     S-26 FOREIGN MATERIALS ENTER AdBlue/DEF (AdBlue/DEF INCREASES)...1989
 50 DISASSEMBLY AND ASSEMBLY...1991
   CONTENTS...1992
   ABBREVIATION LIST...1997
   RELATED INFORMATION ON DISASSEMBLY AND ASSEMBLY...2003
     HOW TO READ THIS MANUAL...2003
     COATING MATERIALS LIST...2005
     SPECIAL TOOLS LIST...2009
     SKETCHES OF SPECIAL TOOLS...2028
   ENGINE AND COOLING SYSTEM...2034
     REMOVE AND INSTALL SUPPLY PUMP ASSEMBLY...2034
       METHOD FOR REMOVING SUPPLY PUMP ASSEMBLY...2034
       METHOD FOR INSTALLING SUPPLY PUMP ASSEMBLY...2037
     REMOVE AND INSTALL INJECTOR ASSEMBLY...2040
       METHOD FOR REMOVING INJECTOR ASSEMBLY...2041
       METHOD FOR INSTALLING INJECTOR ASSEMBLY...2046
     REMOVE AND INSTALL CYLINDER HEAD ASSEMBLY...2056
       METHOD FOR REMOVING CYLINDER HEAD ASSEMBLY...2057
       METHOD FOR INSTALLING CYLINDER HEAD ASSEMBLY...2066
     REMOVE AND INSTALL EGR VALVE ASSEMBLY...2082
       METHOD FOR REMOVING EGR VALVE ASSEMBLY...2082
       METHOD FOR INSTALLING EGR VALVE ASSEMBLY...2083
     REMOVE AND INSTALL EGR COOLER ASSEMBLY...2085
       METHOD FOR REMOVING EGR COOLER ASSEMBLY...2085
       METHOD FOR INSTALLING EGR COOLER ASSEMBLY...2088
     REMOVE AND INSTALL STARTER ASSEMBLY...2092
       METHOD FOR REMOVING STARTER ASSEMBLY...2092
       METHOD FOR INSTALLING STARTER ASSEMBLY...2094
     REMOVE AND INSTALL ALTERNATOR BELT...2097
       METHOD FOR REMOVING ALTERNATOR BELT...2097
       METHOD FOR INSTALLING ALTERNATOR BELT...2100
     REMOVE AND INSTALL RADIATOR ASSEMBLY...2103
       METHOD FOR REMOVING RADIATOR ASSEMBLY...2103
       METHOD FOR INSTALLING RADIATOR ASSEMBLY...2106
     REMOVE AND INSTALL HYDRAULIC OIL COOLER ASSEMBLY...2110
       METHOD FOR REMOVING HYDRAULIC OIL COOLER ASSEMBLY...2110
       METHOD FOR INSTALLING HYDRAULIC OIL COOLER ASSEMBLY...2117
     REMOVE AND INSTALL AFTERCOOLER ASSEMBLY...2124
       METHOD FOR REMOVING AFTERCOOLER ASSEMBLY...2124
       METHOD FOR INSTALLING AFTERCOOLER ASSEMBLY...2126
     REMOVE AND INSTALL FAN CLUTCH ASSEMBLY...2128
       METHOD FOR REMOVING FAN CLUTCH ASSEMBLY...2128
       METHOD FOR INSTALLING FAN CLUTCH ASSEMBLY...2133
     REMOVE AND INSTALL ENGINE ASSEMBLY...2138
       METHOD FOR REMOVING ENGINE ASSEMBLY...2138
       METHOD FOR INSTALLING ENGINE ASSEMBLY...2148
     REMOVE AND INSTALL ENGINE FRONT OIL SEAL...2160
       METHOD FOR REMOVING ENGINE FRONT OIL SEAL...2160
       METHOD FOR INSTALLING ENGINE FRONT OIL SEAL...2165
     REMOVE AND INSTALL ENGINE REAR OIL SEAL...2170
       METHOD FOR REMOVING ENGINE REAR OIL SEAL...2170
       METHOD FOR INSTALLING ENGINE REAR OIL SEAL...2171
     REMOVE AND INSTALL FUEL COOLER ASSEMBLY...2174
       METHOD FOR REMOVING FUEL COOLER ASSEMBLY...2174
       METHOD FOR INSTALLING FUEL COOLER ASSEMBLY...2176
     REMOVE AND INSTALL ENGINE HOOD ASSEMBLY...2178
       METHOD FOR REMOVING ENGINE HOOD ASSEMBLY...2178
       METHOD FOR INSTALLING ENGINE HOOD ASSEMBLY...2179
     REMOVE AND INSTALL FUEL TANK ASSEMBLY...2181
       METHOD FOR REMOVING FUEL TANK ASSEMBLY...2181
       METHOD FOR INSTALLING FUEL TANK ASSEMBLY...2187
     REMOVE AND INSTALL AdBlue/DEF TANK ASSEMBLY...2194
       METHOD FOR REMOVING AdBlue/DEF TANK ASSEMBLY...2195
       METHOD FOR INSTALLING AdBlue/DEF TANK ASSEMBLY...2202
     REMOVE AND INSTALL AdBlue/DEF TANK SENSOR FLANGE ASSEMBLY...2208
       METHOD FOR REMOVING AdBlue/DEF TANK SENSOR FLANGE ASSEMBLY...2209
       METHOD FOR INSTALLING AdBlue/DEF TANK SENSOR FLANGE ASSEMBLY...2216
     REMOVE AND INSTALL AdBlue/DEF TANK SENSOR...2221
       METHOD FOR REMOVING AdBlue/DEF TANK SENSOR...2221
       METHOD FOR INSTALLING AdBlue/DEF TANK SENSOR...2222
     REMOVE AND INSTALL AdBlue/DEF TANK STRAINER...2224
       METHOD FOR REMOVING AdBlue/DEF TANK STRAINER...2224
       METHOD FOR INSTALLING AdBlue/DEF TANK STRAINER...2224
     REMOVE AND INSTALL AdBlue/DEF TANK FILLER PORT FILTER...2225
       METHOD FOR REMOVING AdBlue/DEF TANK FILLER PORT FILTER...2225
       METHOD FOR INSTALLING AdBlue/DEF TANK FILLER PORT FILTER...2227
     REMOVE AND INSTALL KDPF ASSEMBLY...2229
       METHOD FOR REMOVING KDPF ASSEMBLY...2230
       METHOD FOR INSTALLING KDPF ASSEMBLY...2233
     DISASSEMBLE AND ASSEMBLE OF KDPF ASSEMBLY...2237
       METHOD FOR DISASSEMBLING KDPF ASSEMBLY...2237
       METHOD FOR ASSEMBLING KDPF ASSEMBLY...2241
     REMOVE AND INSTALL SCR ASSEMBLY...2246
       METHOD FOR REMOVING SCR ASSEMBLY...2246
       METHOD FOR INSTALLING SCR ASSEMBLY...2247
     REMOVE AND INSTALL KDPF, SCR ASSEMBLY...2250
       METHOD FOR REMOVING KDPF, SCR ASSEMBLY...2250
       METHOD FOR INSTALLING KDPF, SCR ASSEMBLY...2260
     REMOVE AND INSTALL KDPF, SCR ASSEMBLY BRACKET...2270
       METHOD FOR REMOVING KDPF, SCR ASSEMBLY BRACKET...2270
       METHOD FOR INSTALLING KDPF, SCR ASSEMBLY BRACKET...2271
     REMOVE AND INSTALL BELLOWS PIPE ASSEMBLY...2273
       METHOD FOR REMOVING BELLOWS PIPE ASSEMBLY...2273
       METHOD FOR INSTALLING BELLOWS PIPE ASSEMBLY...2275
     REMOVE AND INSTALL KCCV ASSEMBLY...2277
       METHOD FOR REMOVING KCCV ASSEMBLY...2277
       METHOD FOR INSTALLING KCCV ASSEMBLY...2278
     REMOVE AND INSTALL AdBlue/DEF MIXING TUBE...2279
       METHOD FOR REMOVING AdBlue/DEF MIXING TUBE...2279
       METHOD FOR INSTALLING AdBlue/DEF MIXING TUBE...2285
     REMOVE AND INSTALL AdBlue/DEF INJECTOR...2290
       METHOD FOR REMOVING AdBlue/DEF INJECTOR...2290
       METHOD FOR INSTALLING AdBlue/DEF INJECTOR...2294
     REMOVE AND INSTALL AdBlue/DEF PUMP...2299
       METHOD FOR REMOVING AdBlue/DEF PUMP...2299
       METHOD FOR INSTALLING AdBlue/DEF PUMP...2303
     REMOVE AND INSTALL AdBlue/DEF HOSE...2307
       METHOD FOR REMOVING AdBlue/DEF HOSE...2308
       METHOD FOR INSTALLING AdBlue/DEF HOSE...2317
     REMOVE AND INSTALL AIR CLEANER ASSEMBLY...2328
       METHOD FOR REMOVING AIR CLEANER ASSEMBLY...2328
       METHOD FOR INSTALLING AIR CLEANER ASSEMBLY...2330
     REMOVE AND INSTALL AIR CONDITIONER COMPRESSOR ASSEMBLY...2334
       METHOD FOR REMOVING AIR CONDITIONER COMPRESSOR ASSEMBLY...2334
       METHOD FOR INSTALLING AIR CONDITIONER COMPRESSOR ASSEMBLY...2336
     REMOVE AND INSTALL AIR CONDITIONER CONDENSER ASSEMBLY...2340
       METHOD FOR REMOVING AIR CONDITIONER CONDENSER ASSEMBLY...2340
       METHOD FOR INSTALLING AIR CONDITIONER CONDENSER ASSEMBLY...2341
   POWER TRAIN...2342
     REMOVE AND INSTALL TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY...2342
       METHOD FOR REMOVING TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY...2342
       METHOD FOR INSTALLING TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY...2343
     DISASSEMBLE AND ASSEMBLE FINAL DRIVE ASSEMBLY...2344
       METHOD FOR DISASSEMBLING FINAL DRIVE ASSEMBLY...2345
       METHOD FOR ASSEMBLING FINAL DRIVE ASSEMBLY...2348
     REMOVE AND INSTALL SWING MOTOR AND SWING MACHINERY ASSEMBLY...2356
       METHOD FOR REMOVING SWING MOTOR AND SWING MACHINERY ASSEMBLY...2356
       METHOD FOR INSTALLING SWING MOTOR AND SWING MACHINERY ASSEMBLY...2357
     DISASSEMBLE AND ASSEMBLE SWING MACHINERY ASSEMBLY...2360
       METHOD FOR DISASSEMBLING SWING MACHINERY ASSEMBLY...2360
       METHOD FOR ASSEMBLING SWING MACHINERY ASSEMBLY...2364
     REMOVE AND INSTALL SWING CIRCLE ASSEMBLY...2371
       METHOD FOR REMOVING SWING CIRCLE ASSEMBLY...2371
       METHOD FOR INSTALLING SWING CIRCLE ASSEMBLY...2371
   UNDERCARRIAGE AND FRAME...2373
     SEPARATION AND CONNECTION OF TRACK ASSEMBLY...2373
       METHOD FOR SEPARATING TRACK ASSEMBLY...2373
       METHOD FOR INSTALLING TRACK ASSEMBLY...2374
     REMOVE AND INSTALL SPROCKET...2377
       METHOD FOR REMOVING SPROCKET...2377
       METHOD FOR INSTALLING SPROCKET...2378
     REMOVE AND INSTALL IDLER AND IDLER CUSHION ASSEMBLY...2379
       METHOD FOR REMOVING IDLER AND IDLER CUSHION ASSEMBLY...2379
       METHOD FOR INSTALLING IDLER AND IDLER CUSHION ASSEMBLY...2380
     DISASSEMBLE AND ASSEMBLE IDLER ASSEMBLY...2381
       METHOD FOR DISASSEMBLING IDLER ASSEMBLY...2381
       METHOD FOR ASSEMBLING IDLER ASSEMBLY...2382
     DISASSEMBLE AND ASSEMBLE OF IDLER CUSHION ASSEMBLY...2386
       METHOD FOR DISASSEMBLING IDLER CUSHION ASSEMBLY...2386
       METHOD FOR ASSEMBLING IDLER CUSHION ASSEMBLY...2387
     DISASSEMBLE AND ASSEMBLE TRACK ROLLER ASSEMBLY...2389
       METHOD FOR DISASSEMBLING TRACK ROLLER ASSEMBLY...2389
       METHOD FOR ASSEMBLING TRACK ROLLER ASSEMBLY...2390
     REMOVE AND INSTALL REVOLVING FRAME ASSEMBLY...2392
       METHOD FOR REMOVING REVOLVING FRAME ASSEMBLY...2392
       METHOD FOR INSTALLING REVOLVING FRAME ASSEMBLY...2394
     REMOVE AND INSTALL COUNTERWEIGHT ASSEMBLY...2397
       METHOD FOR REMOVING COUNTERWEIGHT ASSEMBLY...2397
       METHOD FOR INSTALLING COUNTERWEIGHT ASSEMBLY...2402
     REMOVE AND INSTALL COUNTERWEIGHT ASSEMBLY FOR MAINTENANCE...2407
       METHOD FOR REMOVING COUNTERWEIGHT ASSEMBLY FOR MAINTENANCE...2407
       METHOD FOR INSTALLING COUNTERWEIGHT ASSEMBLY FOR MAINTENANCE...2411
   HYDRAULIC SYSTEM...2416
     REMOVE AND INSTALL CENTER SWIVEL JOINT ASSEMBLY...2416
       METHOD FOR REMOVING CENTER SWIVEL JOINT ASSEMBLY...2416
       METHOD FOR INSTALLING CENTER SWIVEL JOINT ASSEMBLY...2418
     DISASSEMBLE AND ASSEMBLE CENTER SWIVEL JOINT ASSEMBLY...2420
       METHOD FOR DISASSEMBLING CENTER SWIVEL JOINT ASSEMBLY...2420
       METHOD FOR ASSEMBLING CENTER SWIVEL JOINT ASSEMBLY...2421
     REMOVE AND INSTALL HYDRAULIC TANK ASSEMBLY...2423
       METHOD FOR REMOVING HYDRAULIC TANK ASSEMBLY...2423
       METHOD FOR INSTALLING HYDRAULIC TANK ASSEMBLY...2432
     REMOVE AND INSTALL MAIN PUMP ASSEMBLY...2440
       METHOD FOR REMOVING MAIN PUMP ASSEMBLY...2440
       METHOD FOR INSTALLING MAIN PUMP ASSEMBLY...2445
     REMOVE AND INSTALL CONTROL VALVE ASSEMBLY...2450
       METHOD FOR REMOVING CONTROL VALVE ASSEMBLY...2451
       METHOD FOR INSTALLING CONTROL VALVE ASSEMBLY...2465
     DISASSEMBLE AND ASSEMBLE CONTROL VALVE ASSEMBLY...2478
       METHOD FOR REPLACING PRESSURE COMPENSATION VALVE SEAL RING...2478
       METHOD FOR ASSEMBLING CONTROL VALVE ASSEMBLY...2479
     DISASSEMBLE AND ASSEMBLE WORK EQUIPMENT PPC VALVE ASSEMBLY...2484
       METHOD FOR DISASSEMBLING WORK EQUIPMENT PPC VALVE ASSEMBLY...2484
       METHOD FOR ASSEMBLING WORK EQUIPMENT PPC VALVE ASSEMBLY...2485
     DISASSEMBLE AND ASSEMBLE TRAVEL PPC VALVE ASSEMBLY...2487
       METHOD FOR DISASSEMBLING TRAVEL PPC VALVE ASSEMBLY...2487
       METHOD FOR ASSEMBLING TRAVEL PPC VALVE ASSEMBLY...2488
   WORK EQUIPMENT...2490
     REMOVE AND INSTALL WORK EQUIPMENT ASSEMBLY...2490
       METHOD FOR REMOVING WORK EQUIPMENT ASSEMBLY...2490
       METHOD FOR INSTALLING WORK EQUIPMENT ASSEMBLY...2493
     DISASSEMBLE AND ASSEMBLE WORK EQUIPMENT CYLINDER ASSEMBLY...2496
       METHOD FOR DISASSEMBLING WORK EQUIPMENT CYLINDER ASSEMBLY...2497
       METHOD FOR ASSEMBLING WORK EQUIPMENT CYLINDER ASSEMBLY...2499
   CAB AND ITS ATTACHMENTS...2505
     REMOVE AND INSTALL OPERATOR'S CAB ASSEMBLY...2505
       METHOD FOR REMOVING OPERATOR CAB ASSEMBLY...2505
       METHOD FOR INSTALLING OPERATOR CAB ASSEMBLY...2510
     REMOVE AND INSTALL OPERATOR'S CAB DOOR...2515
       METHOD FOR INSTALLING OPERATOR'S CAB DOOR...2516
     REMOVE AND INSTALL OPERATOR CAB GLASS (ADHERED GLASS)...2520
       METHOD FOR REMOVING OPERATOR CAB GLASS (ADHERED GLASS)...2521
       METHOD FOR INSTALLING OPERATOR CAB GLASS (ADHERED GLASS)...2522
     REMOVE AND INSTALL FRONT WINDOW ASSEMBLY...2533
       METHOD FOR REMOVING FRONT WINDOW ASSEMBLY...2533
       METHOD FOR INSTALLING FRONT WINDOW ASSEMBLY...2535
     REMOVE AND INSTALL FLOOR FRAME ASSEMBLY...2541
       METHOD FOR REMOVING FLOOR FRAME ASSEMBLY...2541
       METHOD FOR INSTALLING FLOOR FRAME ASSEMBLY...2547
     REMOVE AND INSTALL AIR CONDITIONER UNIT ASSEMBLY...2553
       METHOD FOR REMOVING AIR CONDITIONER UNIT ASSEMBLY...2553
       METHOD FOR INSTALLING AIR CONDITIONER UNIT ASSEMBLY...2558
     REMOVE AND INSTALL OPERATOR'S SEAT...2563
       METHOD FOR REMOVING OPERATOR'S SEAT...2563
       METHOD FOR INSTALLING OPERATOR'S SEAT...2563
     REMOVE AND INSTALL SEAT BELT...2565
       METHOD FOR REMOVING SEAT BELT...2565
       METHOD FOR INSTALLING SEAT BELT...2566
     REMOVE AND INSTALL FRONT WIPER ASSEMBLY...2567
       METHOD FOR REMOVING FRONT WIPER ASSEMBLY...2567
       METHOD FOR INSTALLING FRONT WIPER ASSEMBLY...2572
   ELECTRICAL SYSTEM...2581
     REMOVE AND INSTALL ENGINE CONTROLLER ASSEMBLY...2581
       METHOD FOR REMOVING ENGINE CONTROLLER ASSEMBLY...2581
       METHOD FOR INSTALLING ENGINE CONTROLLER ASSEMBLY...2583
     REMOVE AND INSTALL PUMP CONTROLLER ASSEMBLY...2585
       METHOD FOR REMOVING PUMP CONTROLLER ASSEMBLY...2585
       METHOD FOR INSTALLING PUMP CONTROLLER ASSEMBLY...2587
     REMOVE AND INSTALL KomVision CONTROLLER ASSEMBLY...2590
       METHOD FOR REMOVING KomVision CONTROLLER ASSEMBLY...2590
       METHOD FOR INSTALLING KomVision CONTROLLER...2591
     REMOVE AND INSTALL MACHINE MONITOR ASSEMBLY...2593
       METHOD FOR REMOVING MACHINE MONITOR ASSEMBLY...2593
       METHOD FOR INSTALLING MACHINE MONITOR ASSEMBLY...2596
     REMOVE AND INSTALL MASS AIR FLOW AND TEMPERATURE SENSOR...2599
       METHOD FOR REMOVING MASS AIR FLOW AND TEMPERATURE SENSOR...2599
       METHOD FOR INSTALLING MASS AIR FLOW AND TEMPERATURE SENSOR...2600
     REMOVE AND INSTALL KCCV CRANKCASE PRESSURE SENSOR...2602
       METHOD FOR REMOVING KCCV CRANKCASE PRESSURE SENSOR...2602
       METHOD FOR INSTALLING KCCV CRANKCASE PRESSURE SENSOR...2604
     REMOVE AND INSTALL SCR TEMPERATURE SENSOR...2606
       METHOD FOR REMOVING SCR TEMPERATURE SENSOR...2606
       METHOD FOR INSTALLING SCR TEMPERATURE SENSOR...2609
     REMOVE AND INSTALL KomVision CAMERA...2612
       METHOD FOR REMOVING KomVision CAMERA...2612
       METHOD FOR INSTALLING KomVision CAMERA...2614
     REMOVE AND INSTALL KOMTRAX TERMINAL ASSEMBLY...2617
       METHOD FOR REMOVING KOMTRAX TERMINAL ASSEMBLY...2617
       METHOD FOR INSTALLING KOMTRAX TERMINAL ASSEMBLY...2619
 60 MAINTENANCE STANDARD...2621
   CONTENTS...2622
   ABBREVIATION LIST...2623
   ENGINE AND COOLING SYSTEM...2629
     MAINTENANCE STANDARD OF ENGINE MOUNT...2629
     MAINTENANCE STANDARD OF COOLING SYSTEM...2630
   POWER TRAIN...2632
     MAINTENANCE STANDARD OF SWING CIRCLE...2632
     MAINTENANCE STANDARD OF SWING MACHINERY...2633
     MAINTENANCE STANDARD OF FINAL DRIVE...2635
     MAINTENANCE STANDARD OF SPROCKET...2637
     MAINTENANCE STANDARD OF SPROCKET TOOTH PROFILE FULL-SCALE DRAWING...2638
   UNDERCARRIAGE AND FRAME...2640
     MAINTENANCE STANDARD OF TRACK FRAME AND IDLER CUSHION...2640
     MAINTENANCE STANDARD OF IDLER...2642
     MAINTENANCE STANDARD OF TRACK ROLLER...2644
     MAINTENANCE STANDARD OF CARRIER ROLLER...2646
     MAINTENANCE STANDARD OF TRACK SHOE...2647
     MAINTENANCE STANDARD OF TRIPLE SHOE...2650
     MAINTENANCE STANDARD OF ROAD LINER...2651
     MAINTENANCE STANDARD OF FLAT SHOE...2652
   HYDRAULIC SYSTEM...2653
     MAINTENANCE STANDARD OF HYDRAULIC TANK...2653
     MAINTENANCE STANDARD OF MAIN PUMP...2654
     MAINTENANCE STANDARD OF LS-EPC VALVE...2655
     MAINTENANCE STANDARD OF PC-EPC VALVE...2656
     MAINTENANCE STANDARD OF SWING MOTOR...2657
     MAINTENANCE STANDARD OF TRAVEL MOTOR...2660
     MAINTENANCE STANDARD OF CONTROL VALVE...2663
     MAINTENANCE STANDARD OF WORK EQUIPMENT AND SWING PPC VALVE...2673
     MAINTENANCE STANDARD OF TRAVEL PPC VALVE...2676
     MAINTENANCE STANDARD OF 1ST-LINE ATTACHMENT PPC VALVE (WITH EPC VALVE)...2679
       MAINTENANCE STANDARD OF EPC VALVE OF 1ST-LINE ATTACHMENT PPC VALVE...2681
     MAINTENANCE STANDARD OF 2ND-LINE ATTACHMENT PPC VALVE...2682
     MAINTENANCE STANDARD OF SOLENOID VALVE...2684
     MAINTENANCE STANDARD OF ATTACHMENT CIRCUIT SELECTOR VALVE (FOR HIGH PRESSURE)...2685
     MAINTENANCE STANDARD OF ATTACHMENT CIRCUIT SELECTOR VALVE (FOR LOW PRESSURE)...2686
     MAINTENANCE STANDARD OF CENTER SWIVEL JOINT...2687
   WORK EQUIPMENT...2688
     MAINTENANCE STANDARD OF WORK EQUIPMENT LINKAGE...2688
       DIMENSION OF ARM...2693
       DIMENSIONS OF BUCKET...2695
     MAINTENANCE STANDARD OF BOOM CYLINDER (LARGE DIAMETER PISTON)...2697
     MAINTENANCE STANDARD OF ARM CYLINDER...2698
     MAINTENANCE STANDARD OF BUCKET CYLINDER...2699
 80 APPENDIX...2701
   CONTENTS...2702
   ABBREVIATION LIST...2704
   AIR CONDITIONER SYSTEM...2710
     PRECAUTIONS FOR REFRIGERANT...2710
     AIR CONDITIONER COMPONENT...2711
     SPECIFICATIONS OF AIR CONDITIONER...2713
     CONFIGURATION AND FUNCTION OF REFRIGERATION CYCLE...2714
     OUTLINE OF REFRIGERATION CYCLE...2715
   COMPONENT PARTS OF AIR CONDITIONER SYSTEM...2717
     AIR CONDITIONER UNIT...2717
       CONFIGURATION DIAGRAM OF AIR CONDITIONER UNIT...2717
       FUNCTION OF AIR CONDITIONER UNIT...2719
     COMPONENT PARTS OF AIR CONDITIONER UNIT...2720
       FUNCTION OF EVAPORATOR AS AIR CONDITIONER UNIT COMPONENT...2720
       FUNCTION OF HEATER CORE AS AIR CONDITIONER UNIT COMPONENT...2720
       FUNCTION OF EVAPORATOR TEMPERATURE SENSOR AS AIR CONDITIONER UNIT COMPONENT...2720
       FUNCTION OF SERVO MOTOR AS AIR CONDITIONER UNIT COMPONENT...2720
       STRUCTURE OF EXPANSION VALVE AS AIR CONDITIONER UNIT COMPONENT...2721
       FUNCTION OF EXPANSION VALVE AS AIR CONDITIONER UNIT COMPONENT...2721
       OPERATE EXPANSION VALVE AS AIR CONDITIONER UNIT COMPONENT...2721
       FUNCTION OF DUAL PRESSURE SWITCH...2722
     AIR CONDITIONER CONTROLLER...2723
       STRUCTURE OF AIR CONDITIONER CONTROLLER...2723
     COMPRESSOR...2724
       STRUCTURE OF COMPRESSOR...2724
       SPECIFICATIONS OF COMPRESSOR...2724
       FUNCTION OF COMPRESSOR...2724
     CONDENSER...2725
       STRUCTURE OF CONDENSER...2725
       SPECIFICATIONS OF CONDENSER...2725
       FUNCTION OF CONDENSER...2725
     SENSORS FOR AIR CONDITIONER SYSTEM...2727
       STRUCTURE OF SUNLIGHT SENSOR...2727
       FUNCTION OF SUNLIGHT SENSOR...2727
       STRUCTURE OF AMBIENT TEMPERATURE SENSOR...2727
       FUNCTION OF AMBIENT TEMPERATURE SENSOR...2727
   EXPLANATION OF PROCEDURE FOR TESTING AND TROUBLESHOOTING OF AIR CONDITIONER...2729
   CIRCUIT DIAGRAM AND ARRANGEMENT OF CONNECTOR PINS FOR AIR CONDITIONER...2731
   AIR CONDITIONER SYSTEM DIAGRAM...2733
     INPUT AND OUTPUT SIGNALS OF AIR CONDITIONER CONTROLLER...2734
       FUNCTION OF AIR CONDITIONER CONTROLLER...2735
   INSTALLATION LOCATIONS OF AIR CONDITIONER PARTS AND ARRANGEMENT OF CONNECTORS...2736
   TESTING AIR LEAKAGE (DUCT)...2745
     METHOD FOR TESTING AIR LEAKAGE (DUCT)...2745
   TESTING AIR CONDITIONER USING SELF-DIAGNOSIS FUNCTION...2747
   HOW TO OPEN THE ELECTRICAL SYSTEM ABNORMALITY RECORD SCREEN IN SERVICE MODE OF THE MACHINE MONITOR...2748
   TEST VENT (MODE) CHANGEOVER...2749
     METHOD FOR TESTING VENT (MODE) CHANGEOVER...2749
   TESTING FRESH/RECIRC AIR CHANGEOVER...2750
     METHOD FOR TESTING FRESH/RECIRC AIR CHANGEOVER...2750
   TEST SUNLIGHT SENSOR...2751
     METHOD FOR TESTING SUNLIGHT SENSOR...2751
   TEST (DUAL) PRESSURE SWITCH FOR REFRIGERANT...2752
     METHOD FOR TESTING (DUAL) PRESSURE SWITCH FOR REFRIGERANT...2752
   TEST RELAYS...2754
     METHOD FOR TESTING RELAYS...2754
   AIR CONDITIONER TROUBLESHOOTING CHART 1...2755
   AIR CONDITIONER TROUBLESHOOTING CHART 2...2756
   INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE...2759
   FAILURE CODE [879AKA]...2761
   FAILURE CODE [879AKB]...2762
   FAILURE CODE [879BKA]...2763
   FAILURE CODE [879BKB]...2765
   FAILURE CODE [879CKA]...2767
   FAILURE CODE [879CKB]...2768
   FAILURE CODE [879DKZ]...2769
   FAILURE CODE [879EMC]...2771
   FAILURE CODE [879FMC]...2772
   FAILURE CODE [879GKX]...2773
   A-1 TROUBLESHOOTING FOR POWER SUPPLY SYSTEM (AIR CONDITIONER DOES NOT OPERATE)...2775
   A-2 TROUBLESHOOTING FOR COMPRESSOR AND REFRIGERANT SYSTEM (AIR IS NOT COOLED)...2777
   A-3 TROUBLESHOOTING FOR BLOWER MOTOR SYSTEM (NO AIR COMES OUT OR AIR FLOW IS ABNORMAL)...2780
   A-4 TROUBLESHOOTING FOR FRESH/RECIRC AIR CHANGEOVER...2782
   TROUBLESHOOTING USING GAUGE PRESSURE...2784
   CONNECTION OF SERVICE TOOL...2786
     METHOD FOR CONNECTING SERVICE TOOL...2786
   PRECAUTIONS FOR DISCONNECTING AND CONNECTING HOSES AND TUBES IN AIR CONDITIONER PIPINGS...2788
   HANDLE COMPRESSOR OIL...2790
   METHOD FOR REPLACING DESICCANT...2792
 90 CIRCUIT DIAGRAMS...2795
   CONTENTS...2796
   ABBREVIATION LIST...2797
   HYDRAULIC CIRCUIT DIAGRAM...2803
     SYMBOLS USED IN HYDRAULIC CIRCUIT DIAGRAM...2803
     HYDRAULIC CIRCUIT DIAGRAM (1/2)...2807
     HYDRAULIC CIRCUIT DIAGRAM (2/2)...2808
   ELECTRICAL CIRCUIT DIAGRAM...2809
     SYMBOLS USED IN ELECTRICAL CIRCUIT DIAGRAM...2809
     ELECTRICAL CIRCUIT DIAGRAM (1/9)...2813
     ELECTRICAL CIRCUIT DIAGRAM (2/9)...2814
     ELECTRICAL CIRCUIT DIAGRAM (3/9)...2815
     ELECTRICAL CIRCUIT DIAGRAM (4/9)...2816
     ELECTRICAL CIRCUIT DIAGRAM (5/9)...2817
     ELECTRICAL CIRCUIT DIAGRAM (6/9)...2818
     ELECTRICAL CIRCUIT DIAGRAM (7/9)...2819
     ELECTRICAL CIRCUIT DIAGRAM (8/9)...2820
     ELECTRICAL CIRCUIT DIAGRAM (9/9)...2821
INDEX...2822

Komatsu Hydraulic Excavator PC238USLC Repair Service Manuals