Komatsu Hydraulic Excavator PC240LC Repair Service Manual
Complete service repair manual with Electrical Wiring Diagrams for Komatsu Hydraulic Excavator PC240LC-10, with all the technical information to maintain, diagnose, repair, rebuild like professional mechanics.
Komatsu Hydraulic Excavator PC240LC-10 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: 7,276 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English
CEAM025102 - Hydraulic Excavator PC240LC-10 Operation & Maintenance Manual.pdf
CEBM024902 - Hydraulic Excavator PC240LC-10 Shop Manual.pdf
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TEN00592-01 - Hydraulic Excavator PC240LC-10 Operation & Maintenance Manual.pdf
MAIN SECTIONS
PC240LC-11 SHOP MANUAL S/N A22001-...1
00 INDEX AND FOREWORD...3
INDEX...4
FOREWORD, SAFETY, BASIC INFORMATION...20
HOW TO READ THE SHOP MANUAL...20
SAFETY NOTICE FOR OPERATION...22
PRECAUTIONS TO PREVENT FIRE...28
ACTION IF FIRE OCCURS...30
PRECAUTIONS FOR DISPOSING OF WASTE MATERIALS...31
ACTIONS TAKEN TO MEET EXHAUST GAS REGULATIONS...32
PRECAUTIONS FOR AdBlue/DEF...33
GENERAL CHARACTER AND PRECAUTIONS FOR HANDLING...33
PRECAUTIONS FOR ADDING...33
PRECAUTIONS FOR STORING...33
PRECAUTIONS FOR FIRE HAZARD AND LEAKAGE...33
THE OTHER PRECAUTIONS...33
STORE AdBlue/DEF...34
PRECAUTIONS FOR HANDLING HYDRAULIC EQUIPMENT...35
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF PIPINGS...37
PRECAUTIONS FOR HANDLING ELECTRICAL EQUIPMENT...43
PRECAUTIONS FOR HANDLING FUEL SYSTEM EQUIPMENT...46
PRECAUTIONS FOR HANDLING INTAKE SYSTEM EQUIPMENT...47
PRACTICAL USE OF KOMTRAX...48
METHOD FOR DISCONNECTING AND CONNECTING PUSH-PULL TYPE COUPLER...49
METHOD FOR DISCONNECTING AND CONNECTING TYPE 1 PUSH-PULL TYPE COUPLER...49
METHOD FOR DISCONNECTING AND CONNECTING TYPE 2 PUSH-PULL TYPE COUPLER...50
METHOD FOR DISCONNECTING AND CONNECTING TYPE 3 PUSH-PULL TYPE COUPLER...51
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF CONNECTORS...52
METHOD FOR DISCONNECTING AND CONNECTING DEUTSCH CONNECTOR...56
METHOD FOR DISCONNECTING AND CONNECTING SLIDE LOCK TYPE CONNECTOR...57
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PULL...59
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PUSH...60
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH HOUSING TO ROTATE...62
HOW TO READ ELECTRICAL WIRE CODE...63
EXPLANATION OF TERMS FOR MAINTENANCE STANDARD...67
LIST OF ABBREVIATION...70
STANDARD TIGHTENING TORQUE TABLE...75
CONVERSION TABLE...82
01 SPECIFICATION...87
CONTENTS...88
SPECIFICATIONS...89
SPECIFICATION DRAWING...89
SPECIFICATION DRAWING: PC240LC-11...89
WORKING RANGE DRAWINGS...90
WORKING RANGE: PC240LC-11...90
SPECIFICATIONS...91
SPECIFICATIONS: PC240LC-11...91
WEIGHT TABLE...94
WEIGHT TABLE: PC240LC-11...94
TABLE OF FUEL, COOLANT, AND LUBRICANTS...96
10 STRUCTURE AND FUNCTION...97
CONTENTS...98
UREA SCR SYSTEM...101
LAYOUT DRAWING OF UREA SCR SYSTEM...101
UREA SCR SYSTEM DIAGRAM...107
FUNCTION OF UREA SCR SYSTEM...108
FUNCTION OF AdBlue/DEF SUPPLY SYSTEM...108
INDUCEMENT STRATEGY...110
COMPONENT PARTS OF UREA SCR SYSTEM...122
AdBlue/DEF MIXING TUBE...122
SCR ASSEMBLY...122
AdBlue/DEF TANK...125
AdBlue/DEF PUMP...127
AdBlue/DEF INJECTOR...128
AdBlue/DEF HOSE...129
AdBlue/DEF TANK HEATING VALVE...130
BOOT-UP SYSTEM...131
LAYOUT DRAWING OF BOOT-UP SYSTEM...131
SYSTEM OPERATING LAMP SYSTEM...133
SYSTEM OPERATING LAMP SYSTEM DIAGRAM...133
FUNCTION OF SYSTEM OPERATING LAMP SYSTEM...133
BATTERY DISCONNECT SWITCH...134
FUNCTION OF BATTERY DISCONNECT SWITCH...134
ENGINE SYSTEM...135
LAYOUT DRAWING OF ENGINE RELATED PARTS...135
SPECIFICATIONS OF ENGINE RELATED PARTS...136
FUNCTIONS OF ENGINE RELATED PARTS...136
ENGINE CONTROL SYSTEM...137
ENGINE CONTROL SYSTEM DIAGRAM...137
FUNCTION OF ENGINE CONTROL SYSTEM...138
AUTO-DECELERATION SYSTEM...140
AUTO-DECELERATION SYSTEM DIAGRAM...140
FUNCTION OF AUTO-DECELERATION SYSTEM...140
OPERATION OF AUTO-DECELERATION SYSTEM...141
ENGINE AUTOMATIC WARM-UP SYSTEM...142
ENGINE AUTOMATIC WARM-UP SYSTEM DIAGRAM...142
FUNCTION OF ENGINE AUTOMATIC WARM-UP SYSTEM...143
OVERHEAT PREVENTION SYSTEM...144
OVERHEAT PREVENTION SYSTEM DIAGRAM...144
FUNCTION OF OVERHEAT PREVENTION SYSTEM...145
TURBOCHARGER PROTECTION SYSTEM...147
TURBOCHARGER PROTECTION SYSTEM DIAGRAM...147
FUNCTION OF TURBOCHARGER PROTECTION SYSTEM...148
AUTOMATIC IDLE STOP SYSTEM...149
AUTOMATIC IDLE STOP SYSTEM DIAGRAM...149
FUNCTION OF AUTOMATIC IDLE STOP SYSTEM...149
COMPONENT PARTS OF ENGINE SYSTEM...152
KVGT...152
EGR SYSTEM...155
EGR VALVE...157
EGR COOLER...159
KCCV SYSTEM...160
KCCV VENTILATOR...162
KDPF...164
COOLING SYSTEM...169
LAYOUT DRAWING OF COOLING SYSTEM...169
SPECIFICATIONS OF COOLING SYSTEM...170
CONTROL SYSTEM...171
LAYOUT DRAWING OF ELECTRICAL CONTROL SYSTEM...171
MACHINE MONITOR SYSTEM...174
MACHINE MONITOR SYSTEM DIAGRAM...174
KOMTRAX SYSTEM...175
KOMTRAX SYSTEM DIAGRAM...175
FUNCTION OF KOMTRAX SYSTEM...175
COMPONENT PARTS OF CONTROL SYSTEM...176
MACHINE MONITOR...176
KOMTRAX TERMINAL...187
PUMP CONTROLLER...189
REGISTER FOR PC-EPC VALVE...193
CAN TERMINATING RESISTOR...194
ENGINE CONTROLLER...195
FUEL CONTROL DIAL...201
HYDRAULIC SYSTEM...203
LAYOUT DRAWING OF HYDRAULIC COMPONENT...203
CLSS...209
STRUCTURE OF CLSS...209
OPERATION OF UNLOAD VALVE AND LS PRESSURE...211
PUMP SWASH PLATE ANGLE (OILFLOW) CONTROL...212
PRESSURE COMPENSATION CONTROL...224
ENGINE AND PUMP COMBINED CONTROL SYSTEM...227
ENGINE AND PUMP COMBINED CONTROL SYSTEM DIAGRAM...227
FUNCTION OF ENGINE AND PUMP COMBINED CONTROL SYSTEM...228
PUMP AND VALVE CONTROL SYSTEM...233
PUMP AND VALVE CONTROL SYSTEM DIAGRAM...233
FUNCTION OF PUMP AND VALVE CONTROL SYSTEM...234
COMPONENT PARTS OF HYDRAULIC SYSTEM...236
HYDRAULIC TANK...236
MAIN PUMP...238
PC-EPC VALVE...261
CONTROL VALVE...262
WORK EQUIPMENT SYSTEM...319
LAYOUT DRAWING OF WORK EQUIPMENT SYSTEM...319
STRUCTURE OF VALVE CONTROL...324
ONE-TOUCH POWER MAXIMIZING SYSTEM...326
ONE-TOUCH POWER MAXIMIZING SYSTEM DIAGRAM...326
FUNCTION OF ONE-TOUCH POWER MAXIMIZING SYSTEM...327
PPC LOCK SYSTEM...328
PPC LOCK SYSTEM DIAGRAM...328
FUNCTION OF PPC LOCK SYSTEM...328
WORK EQUIPMENT AND TRAVEL AUTOMATIC LOCK SYSTEM...329
WORK EQUIPMENT AND TRAVEL AUTOMATIC LOCK SYSTEM DIAGRAM...329
FUNCTION OF WORK EQUIPMENT AND TRAVEL AUTOMATIC LOCK SYSTEM...329
OPERATION OF WORK EQUIPMENT AND TRAVEL AUTOMATIC LOCK SYSTEM...330
OIL FLOW ADJUSTER SYSTEM FOR ATTACHMENT...331
OIL FLOW ADJUSTER SYSTEM DIAGRAM FOR ATTACHMENT...331
FUNCTION OF OIL FLOW ADJUSTER SYSTEM FOR ATTACHMENT...332
COMPONENT PARTS OF WORK EQUIPMENT SYSTEM...333
WORK EQUIPMENT AND SWING PPC VALVE...333
1ST-LINE ATTACHMENT PPC VALVE (WITH EPC VALVE)...338
2ND-LINE ATTACHMENT PPC VALVE...344
SOLENOID VALVE...346
ATTACHMENT CIRCUIT SELECTOR VALVE (FOR HIGH PRESSURE)...348
ATTACHMENT CIRCUIT SELECTOR VALVE (FOR LOW PRESSURE)...350
PILOT CIRCUIT ACCUMULATOR...352
SWING CONTROL SYSTEM...353
LAYOUT DRAWING OF SWING SYSTEM...353
SWING CONTROL SYSTEM DIAGRAM...357
FUNCTION OF SWING CONTROL SYSTEM...357
COMPONENT PARTS OF SWING SYSTEM...361
SWING MOTOR...361
SWING MACHINERY...372
SWING CIRCLE...373
TRAVEL SYSTEM...375
LAYOUT DRAWING OF TRAVEL SYSTEM...375
TRAVEL CONTROL SYSTEM DIAGRAM...379
FUNCTION OF TRAVEL CONTROL SYSTEM...379
COMPONENT PARTS OF TRAVEL SYSTEM...381
TRAVEL MOTOR...381
FINAL DRIVE...393
TRAVEL PPC VALVE...394
CENTER SWIVEL JOINT...399
UNDERCARRIAGE AND FRAME...401
LAYOUT DRAWING OF UNDERCARRIAGE...401
SPECIFICATIONS OF UNDERCARRIAGE...402
WORK EQUIPMENT...403
STRUCTURE OF WORK EQUIPMENT...403
FUNCTION OF WORK EQUIPMENT...404
WORK EQUIPMENT CLEARANCE ADJUSTMENT SHIM...405
FUNCTION OF WORK EQUIPMENT CLEARANCE ADJUSTMENT SHIM...405
BUCKET CLEARANCE ADJUSTMENT SHIM...406
FUNCTION OF BUCKET CLEARANCE ADJUSTMENT SHIM...406
CAB AND ITS ATTACHMENTS...407
ROPS CAB...407
STRUCTURE OF ROPS CAB...407
FUNCTION OF ROPS CAB...407
CAB MOUNT...408
STRUCTURE OF CAB MOUNT...408
FUNCTION OF CAB MOUNT...408
CAB TIPPING STOPPER...409
STRUCTURE OF CAB TIPPING STOPPER...409
FUNCTION OF CAB TIPPING STOPPER...409
20 STANDARD VALUE TABLE...411
CONTENTS...412
STANDARD VALUE TABLE FOR ENGINE...413
STANDARD VALUE TABLE FOR ENGINE: PC240LC-11...413
STANDARD VALUE TABLE FOR MACHINE...417
STANDARD VALUE TABLE FOR MACHINE: PC240LC-11...417
MACHINE POSTURE AND PROCEDURE FOR MEASURING PERFORMANCE...430
STANDARD VALUE TABLE FOR ELECTRICAL...434
STANDARD VALUE TABLE FOR ELECTRICAL...434
30 TESTING AND ADJUSTING...445
CONTENTS...446
RELATED INFORMATION ON TESTING AND ADJUSTING...449
TOOLS FOR TESTING AND ADJUSTING...449
SKETCH OF TOOLS FOR TESTING AND ADJUSTING...455
ENGINE AND COOLING SYSTEM...456
TEST ENGINE SPEED...456
METHOD FOR TESTING ENGINE SPEED...456
TEST BOOST PRESSURE...459
METHOD FOR TESTING BOOST PRESSURE ON MACHINE MONITOR...459
METHOD FOR TESTING BOOST PRESSURE...460
TEST EXHAUST GAS COLOR...461
METHOD FOR TESTING EXHAUST GAS COLOR BY HANDY SMOKE CHECKER...461
METHOD FOR TESTING EXHAUST GAS COLOR BY SMOKE METER...462
TEST AND ADJUST VALVE CLEARANCE...464
METHOD FOR TESTING VALVE CLEARANCE...464
METHOD FOR ADJUSTING VALVE CLEARANCE...465
TEST COMPRESSION PRESSURE...466
METHOD FOR TESTING COMPRESSION PRESSURE...466
TEST BLOWBY PRESSURE...471
METHOD FOR TESTING BLOWBY PRESSURE...471
TEST ENGINE OIL PRESSURE...473
METHOD FOR TESTING ENGINE OIL PRESSURE...473
TEST EGR VALVE AND KVGT OIL PRESSURE...474
METHOD FOR TESTING EGR VALVE AND KVGT OIL PRESSURE...474
TEST FUEL PRESSURE...476
METHOD FOR TESTING FUEL PRESSURE...477
TEST FUEL DISCHARGE, RETURN AND LEAKAGE...482
METHOD FOR TESTING FUEL DISCHARGE, RETURN AND LEAKAGE...483
BLEEDING AIR FROM FUEL SYSTEM...488
METHOD FOR BLEEDING AIR FROM FUEL SYSTEM...488
TEST FUEL CIRCUIT FOR LEAKAGE...489
METHOD FOR TESTING FUEL CIRCUIT FOR LEAKAGE...489
HANDLE CYLINDER CUT-OUT MODE OPERATION...491
HANDLE NO-INJECTION CRANKING OPERATION...492
TEST AND ADJUST AIR CONDITIONER COMPRESSOR BELT TENSION...493
METHOD FOR CHECKING AIR CONDITIONER COMPRESSOR BELT...493
METHOD FOR ADJUSTING AIR CONDITIONER COMPRESSOR BELT...493
WRITE ASH IN SOOT ACCUMULATION CORRECTION TO ENGINE CONTROLLER...495
METHOD FOR WRITING ASH IN SOOT ACCUMULATION CORRECTION TO ENGINE CONTROLLER...495
TEST SCR RELATED FUNCTIONS...496
TEST AdBlue/DEF PUMP RAISED PRESSURE...499
TEST INJECTION AMOUNT FROM AdBlue/DEF INJECTOR...500
TEST AdBlue/DEF LINE HEATER RELAY 1...504
TEST AdBlue/DEF LINE HEATER RELAY 2...507
TEST AdBlue/DEF PUMP HEATER RELAY...509
TEST AdBlue/DEF HEATER VALVE...512
TEST DENITRATION EFFICIENCY OF SCR...515
CLEAN AdBlue/DEF TANK...519
METHOD FOR CLEANING AdBlue/DEF TANK...519
BLEED AIR FROM COOLANT CIRCUIT OF AdBlue/DEF TANK...523
METHOD FOR BLEEDING AIR FROM COOLANT CIRCUIT OF AdBlue/DEF TANK...523
POWER TRAIN...525
TEST SWING CIRCLE BEARING CLEARANCE...525
METHOD FOR TESTING SWING CIRCLE BEARING CLEARANCE...525
UNDERCARRIAGE AND FRAME...526
TEST AND ADJUST TRACK TENSION...526
METHOD FOR TESTING TRACK TENSION...526
METHOD FOR ADJUSTING TRACK TENSION...526
HYDRAULIC SYSTEM...528
RELEASE REMAINING PRESSURE FROM HYDRAULIC SYSTEM...528
METHOD FOR RELEASING REMAINING PRESSURE FROM HYDRAULIC CIRCUIT...528
TEST AND ADJUST OIL PRESSURE IN WORK EQUIPMENT, SWING, AND TRAVEL CIRCUITS...529
METHOD FOR TESTING OIL PRESSURE IN WORK EQUIPMENT, SWING, AND TRAVEL CIRCUITS...530
METHOD FOR ADJUSTING OIL PRESSURE IN WORK EQUIPMENT, SWING, AND TRAVEL CIRCUITS...536
TEST OIL PRESSURE OF CONTROL CIRCUIT...539
METHOD FOR TESTING OIL PRESSURE OF CONTROL CIRCUIT...539
TEST AND ADJUST OIL PRESSURE IN PUMP PC CONTROL CIRCUIT...541
TEST PC VALVE OUTLET PRESSURE (SERVO PISTON INLET PRESSURE)...541
TEST PC-EPC VALVE OUTLET PRESSURE...542
METHOD FOR ADJUSTING OIL PRESSURE IN PUMP PC CONTROL CIRCUIT...543
TEST AND ADJUST OIL PRESSURE IN PUMP LS CONTROL CIRCUIT...544
METHOD FOR TESTING LS DIFFERENTIAL PRESSURE BY MACHINE MONITOR...544
METHOD FOR TESTING LS DIFFERENTIAL PRESSURE BY TESTING TOOL...545
METHOD FOR TESTING LS VALVE OUTLET PRESSURE (SERVO PISTON INLET PRESSURE)...548
METHOD FOR TESTING LS-EPC VALVE OUTLET PRESSURE...549
METHOD FOR ADJUSTING LS VALVE...550
TEST OUTLET PRESSURE OF SOLENOID VALVE...551
METHOD FOR TESTING OUTLET PRESSURE OF SOLENOID VALVE...551
OPERATING CONDITION OF SOLENOID VALVE...552
TEST PPC VALVE OUTLET PRESSURE...555
METHOD FOR TESTING PPC VALVE OUTLET PRESSURE...555
ADJUST WORK EQUIPMENT AND SWING PPC VALVES...557
METHOD FOR ADJUSTING PLAY OF WORK EQUIPMENT AND SWING PPC VALVES...557
TEST PUMP SWASH PLATE SENSOR...558
METHOD FOR TESTING PUMP SWASH PLATE SENSOR...558
TEST THE PARTS CAUSING HYDRAULIC DRIFT IN WORK EQUIPMENT...559
METHOD FOR TESTING THE PARTS CAUSING HYDRAULIC DRIFT OF BOOM CYLINDER AND BUCKET CYLINDER...559
METHOD FOR TESTING THE PARTS CAUSING HYDRAULIC DRIFT OF ARM CYLINDER...559
METHOD FOR TESTING THE PARTS CAUSING HYDRAULIC DRIFT OF PPC VALVE...560
TEST OIL LEAKAGE...561
TEST OIL LEAKAGE OF BOOM CYLINDER...561
TEST OIL LEAKAGE OF ARM CYLINDER...561
TEST OIL LEAKAGE OF BUCKET CYLINDER...562
METHOD FOR TESTING OIL LEAKAGE OF SWING MOTOR...562
METHOD FOR TESTING OIL LEAKAGE OF TRAVEL MOTOR...562
BLEED AIR FROM HYDRAULIC CIRCUIT...564
METHOD FOR BLEEDING AIR FROM HYDRAULIC CIRCUIT...565
CAB AND ITS ATTACHMENTS...567
TEST CAB TIPPING STOPPER...567
METHOD FOR TESTING CAB TIPPING STOPPER...567
METHOD FOR ADJUSTING MIRRORS...568
PROCEDURE FOR ADJUSTING MACHINE LEFT FRONT MIRROR (A)...568
PROCEDURE FOR ADJUSTING REGULAR POSITION OF MACHINE LEFT FRONT MIRROR (A)...569
PROCEDURE FOR ADJUSTING MACHINE RIGHT FRONT MIRROR (B)...570
PROCEDURE FOR ADJUSTING REGULAR POSITION OF MACHINE RIGHT FRONT MIRROR (B)...571
PROCEDURE FOR ADJUSTING MACHINE RIGHT SIDE MIRROR (C)...572
ELECTRICAL SYSTEM...574
SET AND OPERATE MACHINE MONITOR...574
OPERATOR MODE...577
SERVICE MODE...582
METHOD FOR STARTING UP KOMTRAX TERMINAL...648
ADJUST REARVIEW CAMERA ANGLE...653
METHOD FOR ADJUSTING REARVIEW CAMERA ANGLE...653
HANDLING VOLTAGE CIRCUIT OF ENGINE CONTROLLER...656
HANDLE BATTERY DISCONNECT SWITCH...657
TEST DIODES...658
METHOD FOR TESTING DIODE USING DIGITAL TESTER...658
METHOD FOR TESTING DIODE USING ANALOG TESTER...658
Pm CLINIC...659
Pm CLINIC SERVICE...659
Pm CLINIC CHECK SHEET...660
40 TROUBLESHOOTING...671
CONTENTS...672
RELATED INFORMATION ON TROUBLESHOOTING...682
GENERAL TROUBLESHOOTING POINTS...682
TROUBLESHOOTING POINTS FOR UREA SCR SYSTEM...683
SEQUENCE OF EVENTS IN TROUBLESHOOTING...696
CHECKS BEFORE TROUBLESHOOTING...698
CHECKS BEFORE TROUBLESHOOTING...700
WALK-AROUND CHECK...700
TESTING IN ACCORDANCE WITH TESTING PROCEDURE...702
FUEL - CHECK LEVEL AND TYPE...702
FUEL - CHECK FOR FOREIGN MATERIAL...702
FUEL PREFILTER - CHECK...703
WATER SEPARATOR - CHECK / DRAIN WATER AND SEDIMENT...703
METHOD FOR REPLACING FUEL PREFILTER CARTRIDGE...704
MAIN FILTER - CHECK...705
OIL PAN - CHECK ENGINE OIL LEVEL...707
RESERVOIR TANK - CHECK COOLANT LEVEL...708
AIR CLEANER - CHECK FOR CLOGGING...708
OUTER ELEMENT - CLEAN...709
ELEMENTS - REPLACE...711
HYDRAULIC OIL - CHECK OIL LEVEL...712
HYDRAULIC OIL STRAINER - CHECK...713
HYDRAULIC OIL FILTER - CHECK...714
SWING MACHINERY CASE - CHECK OIL LEVEL...715
DAMPER CASE - CHECK OIL LEVEL...715
FINAL DRIVE CASE - CHECK OIL LEVEL...716
FUEL SYSTEM - BLEED AIR...716
HYDRAULIC CIRCUIT - BLEED AIR...716
ELECTRICAL EQUIPMENT - CHECK METHOD...717
ELECTRICAL SYSTEM TROUBLESHOOTING - PREPARATION...724
PROCEDURE FOR TESTING AND TROUBLESHOOTING...734
SYMPTOMS OF FAILURE AND TROUBLESHOOTING NUMBERS...737
INFORMATION IN TROUBLESHOOTING TABLE...741
TROUBLESHOOTING METHOD FOR OPEN CIRCUIT IN WIRING HARNESS OF PRESSURE SENSOR SYSTEM...743
CONNECTOR LIST AND LAYOUT...746
CONNECTOR PIN NUMBERS - CONNECTION TABLE...759
T-BOXES AND T-ADAPTERS LIST...798
FUSE LOCATION TABLE...804
PRECAUTIONS FOR KDPF (KCSF, KDOC) CLEANING AND CHANGE...806
PREPARATION OF SHORT CIRCUIT ELECTRICAL CONNECTOR (FOR FAILURE CODES [CA1883] AND [CA3135])...810
FAILURE CODES TABLE...812
TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE)...829
FAILURE CODE [879AKA] A/C Recirculation Air Temperature Sensor Open Circuit...829
FAILURE CODE [879AKB] A/C Recirculation Air Temperature Sensor Short Circuit...830
FAILURE CODE [879BKA] A/C Fresh Air Temperature Sensor Open Circuit...831
FAILURE CODE [879BKB] A/C Fresh Air Temperature Sensor Short Circuit...833
FAILURE CODE [879CKA] Ventilating Sensor Open Circuit...835
FAILURE CODE [879CKB] Ventilating Sensor Short Circuit...836
FAILURE CODE [879DKZ] Sunlight Sensor Open Circuit or Short Circuit...837
FAILURE CODE [879EMC] Ventilation Damper Malfunction...839
FAILURE CODE [879FMC] Air Mix Damper Malfunction...840
FAILURE CODE [879GKX] Refrigerant Pressure Input Signal Out of Range...841
FAILURE CODE [989L00] Engine Controller Lock Caution 1...843
FAILURE CODE [989M00] Engine Controller Lock Caution 2...844
FAILURE CODE [989N00] Engine Controller Lock Caution 3...845
FAILURE CODE [A1U0N3] HC Desorb Request 1...846
FAILURE CODE [A1U0N4] HC Desorb Request 2...848
FAILURE CODE [A900FR] Abrupt Engine Stop by Auto Idling Stop 3...850
FAILURE CODE [A900N6] Abrupt Engine Stop by Auto Idling Stop 1...851
FAILURE CODE [A900NY] Abrupt Engine Stop by Auto Idling Stop 2...852
FAILURE CODE [AA10NX] Air Cleaner Clogging...853
FAILURE CODE [AB00KE] Charge Voltage Low...855
FAILURE CODE [AQ10N3] Manual Stationary Regeneration Request (KDOC Face Plugging)...858
FAILURE CODE [AS00N3] Manual Stationary Regeneration Request (SCR)...860
FAILURE CODE [AS00R2] Warning 2 (SCR Device Abnormality)...862
FAILURE CODE [AS00R3] Inducement 1 (SCR Device Abnormality)...863
FAILURE CODE [AS00R4] Inducement 2 (SCR Device Abnormality)...864
FAILURE CODE [AS00R5] Inducement 3 (SCR Device Abnormality)...865
FAILURE CODE [AS00R6] Temporary Recovery of Inducement...866
FAILURE CODE [AS00ZK] AdBlue/DEF Level Low Error 5...867
FAILURE CODE [AS10KM] AdBlue/DEF Injector Overheat Warning...868
FAILURE CODE [AS10NR] AdBlue/DEF Injector High Temperature Warning...869
FAILURE CODE [AS10NT] AdBlue/DEF Injector Overheat Caution...870
FAILURE CODE [B@BAZG] Engine Oil Pressure Low...871
FAILURE CODE [B@BAZK] Eng Oil Level Low...872
FAILURE CODE [B@BCNS] Eng Water Overheat...874
FAILURE CODE [B@BCZK] Eng Water Level Low...875
FAILURE CODE [B@HANS] Hyd Oil Overheat...877
FAILURE CODE [CA115] Engine NE and Backup Speed Sensor Error...878
FAILURE CODE [CA122] Charge Air Pressure Sensor High Error...879
FAILURE CODE [CA123] Charge Air Pressure Sensor Low Error...881
FAILURE CODE [CA131] Throttle Sensor High Error...883
FAILURE CODE [CA132] Throttle Sensor Low Error...885
FAILURE CODE [CA144] Coolant Temperature Sensor High Error...887
FAILURE CODE [CA145] Coolant Temperature Sensor Low Error...889
FAILURE CODE [CA153] Charge Air Temperature Sensor High Error...891
FAILURE CODE [CA154] Charge Air Temperature Sensor Low Error...894
FAILURE CODE [CA187] Sensor 2 Supply Voltage Low Error...896
FAILURE CODE [CA221] Ambient Pressure Sensor High Error...898
FAILURE CODE [CA222] Ambient Pressure Sensor Low Error...900
FAILURE CODE [CA227] Sensor 2 Supply Voltage High Error...902
FAILURE CODE [CA234] Engine Overspeed...903
FAILURE CODE [CA238] NE Speed Sensor Supply Voltage Error...904
FAILURE CODE [CA239] NE Speed Sensor Supply Voltage High Error...906
FAILURE CODE [CA249] Ambient Air Temp Sensor High Error...908
FAILURE CODE [CA256] Ambient Air Temp Sensor Low Error...910
FAILURE CODE [CA271] IMV/PCV 1 Short Circuit Error...912
FAILURE CODE [CA272] IMV/PCV 1 Open Circuit Error...914
FAILURE CODE [CA322] Injector #1 (L#1) Open Circuit Error or Short Circuit Error...916
FAILURE CODE [CA323] Injector #5 (L#5) Open Circuit Error or Short Circuit Error...918
FAILURE CODE [CA324] Injector #3 (L#3) Open Circuit Error or Short Circuit Error...920
FAILURE CODE [CA325] Injector #6 (L#6) Open Circuit Error or Short Circuit Error...922
FAILURE CODE [CA331] Injector #2 (L#2) Open Circuit Error or Short Circuit Error...924
FAILURE CODE [CA332] Injector #4 (L#4) Open Circuit Error or Short Circuit Error...926
FAILURE CODE [CA343] Engine Controller Internal Failure...928
FAILURE CODE [CA351] Injectors Drive Circuit Error...929
FAILURE CODE [CA352] Sensor 1 Supply Voltage Low Error...930
FAILURE CODE [CA356] MAF Sensor High Error...932
FAILURE CODE [CA357] MAF Sensor Low Error...934
FAILURE CODE [CA386] Sensor 1 Supply Voltage High Error...936
FAILURE CODE [CA428] Water in Fuel Sensor High Error...937
FAILURE CODE [CA429] Water in Fuel Sensor Low Error...939
FAILURE CODE [CA435] Engine Oil Pressure SW Error...941
FAILURE CODE [CA441] Battery Voltage Low Error...943
FAILURE CODE [CA442] Battery Voltage High Error...945
FAILURE CODE [CA449] Common Rail Pressure High Error 2...946
FAILURE CODE [CA451] Common Rail Pressure Sensor High Error...947
FAILURE CODE [CA452] Common Rail Pressure Sensor Low Error...949
FAILURE CODE [CA488] Charge Air Temperature High Torque Derate...951
FAILURE CODE [CA515] Common Rail Pressure Sensor Supply Voltage High Error...952
FAILURE CODE [CA516] Common Rail Pressure Sensor Supply Voltage Low Error...954
FAILURE CODE [CA553] Common Rail Pressure High Error 1...956
FAILURE CODE [CA555] Crankcase Pressure High Error 1...957
FAILURE CODE [CA556] Crankcase Pressure High Error 2...958
FAILURE CODE [CA559] Common Rail Pressure Low Error 1...959
FAILURE CODE [CA595] Turbocharger Speed High Error 2...962
FAILURE CODE [CA687] Turbocharger Speed Low Error...963
FAILURE CODE [CA689] Engine NE Speed Sensor Error...965
FAILURE CODE [CA691] Intake Air Temperature Sensor High Error...968
FAILURE CODE [CA692] Intake Air Temperature Sensor Low Error...970
FAILURE CODE [CA697] Engine Controller Internal Temperature Sensor High Error...972
FAILURE CODE [CA698] Engine Controller Internal Temperature Sensor Low Error...973
FAILURE CODE [CA731] Engine Backup Speed Sensor Phase Error...974
FAILURE CODE [CA778] Engine Backup Speed Sensor Error...976
FAILURE CODE [CA1117] Engine Controller Partial Data Lost Error...981
FAILURE CODE [CA1664] KDOC Abnormality...982
FAILURE CODE [CA1669] AdBlue/DEF Level Sensor Voltage High Error...984
FAILURE CODE [CA1673] AdBlue/DEF Level Low Error 3...985
FAILURE CODE [CA1677] AdBlue/DEF Temperature Sensor Low Error...986
FAILURE CODE [CA1678] AdBlue/DEF Temperature Sensor High Error...987
FAILURE CODE [CA1682] AdBlue/DEF Pump Priming Error...988
FAILURE CODE [CA1683] AdBlue/DEF Tank Heating Valve Voltage High Error...990
FAILURE CODE [CA1684] AdBlue/DEF Tank Heating Valve Voltage Low Error...992
FAILURE CODE [CA1686] AdBlue/DEF Quality Sensor Voltage High Error...994
FAILURE CODE [CA1691] Defective Regeneration...995
FAILURE CODE [CA1694] SCR Outlet NOx Sensor In Range Error...998
FAILURE CODE [CA1695] Sensor 5 Supply Voltage High Error...1001
FAILURE CODE [CA1696] Sensor 5 Supply Voltage Low Error...1002
FAILURE CODE [CA1712] AdBlue/DEF Tank Thawing Error...1004
FAILURE CODE [CA1713] AdBlue/DEF Tank Heater Valve Open Stuck Error...1007
FAILURE CODE [CA1714] AdBlue/DEF Quality Sensor Out of Calibration Error...1009
FAILURE CODE [CA1715] AdBlue/DEF Quality Sensor Internal Circuit Error...1010
FAILURE CODE [CA1776] Sensor Supply Relay Voltage High Error...1011
FAILURE CODE [CA1777] Sensor Supply Relay Voltage Low Error...1014
FAILURE CODE [CA1843] Crankcase Pressure Sensor High Error...1017
FAILURE CODE [CA1844] Crankcase Pressure Sensor Low Error...1019
FAILURE CODE [CA1879] KDPF Differential Pressure Sensor High Error...1022
FAILURE CODE [CA1881] KDPF Differential Pressure Sensor Low Error...1024
FAILURE CODE [CA1883] KDPF Differential Pressure Sensor In Range Error...1026
FAILURE CODE [CA1885] Turbo Outlet NOx Sensor Circuit Error...1029
FAILURE CODE [CA1887] SCR Outlet NOx Sensor Circuit Error...1031
FAILURE CODE [CA1921] KDPF Soot Accumulation High Error 1...1033
FAILURE CODE [CA1922] KDPF Soot Accumulation High Error 2...1036
FAILURE CODE [CA1942] Crankcase Pressure Sensor In Range Error...1041
FAILURE CODE [CA1993] KDPF Differential Pressure Low Error...1042
FAILURE CODE [CA2185] Throttle Sensor Supply Voltage High Error...1045
FAILURE CODE [CA2186] Throttle Sensor Supply Voltage Low Error...1046
FAILURE CODE [CA2249] Common Rail Pressure Low Error 2...1048
FAILURE CODE [CA2271] EGR Valve Position Sensor High Error...1049
FAILURE CODE [CA2272] EGR Valve Position Sensor Low Error...1052
FAILURE CODE [CA2288] Turbocharger Speed High Error 1...1055
FAILURE CODE [CA2311] lMV Solenoid Error...1056
FAILURE CODE [CA2349] EGR Valve Solenoid Open Circuit Error...1057
FAILURE CODE [CA2353] EGR Valve Solenoid Short Circuit Error...1060
FAILURE CODE [CA2357] EGR Valve Servo Error...1062
FAILURE CODE [CA2381] KVGT Position Sensor High Error...1063
FAILURE CODE [CA2382] KVGT Position Sensor Low Error...1066
FAILURE CODE [CA2383] KVGT Solenoid Open Circuit Error...1069
FAILURE CODE [CA2386] KVGT Solenoid Short Circuit Error...1072
FAILURE CODE [CA2387] KVGT Servo Error...1074
FAILURE CODE [CA2555] Intake Air Heater Relay Open Circuit Error...1075
FAILURE CODE [CA2556] Intake Air Heater Relay Short Circuit Error...1078
FAILURE CODE [CA2637] KDOC Face Plugging...1081
FAILURE CODE [CA2639] Manual Stationary Regeneration Request...1083
FAILURE CODE [CA2771] SCR Outlet NOx Sensor Datalink Timeout Error...1085
FAILURE CODE [CA2777] Manual Stationary Regeneration Request but KDPF Regeneration Disable...1091
FAILURE CODE [CA2976] AdBlue/DEF Pump Temperature Sensor Signal Error...1094
FAILURE CODE [CA3133] KDPF Outlet Pressure Sensor High Error...1096
FAILURE CODE [CA3134] KDPF Outlet Pressure Sensor Low Error...1099
FAILURE CODE [CA3135] KDPF Outlet Pressure Sensor In Range Error...1101
FAILURE CODE [CA3142] SCR Temperature Sensor High Error...1104
FAILURE CODE [CA3143] SCR Temperature Sensor Low Error...1105
FAILURE CODE [CA3144] SCR Temperature Sensor In Range Error...1106
FAILURE CODE [CA3146] SCR Outlet Temperature Sensor High Error...1108
FAILURE CODE [CA3147] SCR Outlet Temperature Sensor Low Error...1109
FAILURE CODE [CA3148] SCR Outlet Temperature Sensor In Range Error...1110
FAILURE CODE [CA3151] SCR Catalyst Efficiency Low Error 2...1112
FAILURE CODE [CA3165] SCR Outlet Temperature High Error...1118
FAILURE CODE [CA3229] SCR Temperature High Error...1120
FAILURE CODE [CA3231] SCR Temperature High Error - Non Regeneration...1122
FAILURE CODE [CA3232] Turbo Outlet NOx Sensor Datalink Timeout Error...1124
FAILURE CODE [CA3235] SCR Outlet Temperature High Error - Non Regeneration...1128
FAILURE CODE [CA3239] AdBlue/DEF Line Heater 2 Voltage High Error...1130
FAILURE CODE [CA3241] AdBlue/DEF Line Heater 2 Voltage Low Error...1133
FAILURE CODE [CA3242] AdBlue/DEF Tank Heating Error...1136
FAILURE CODE [CA3251] KDOC Inlet Temperature High Error...1139
FAILURE CODE [CA3253] KDOC Temperature Error - Non Regeneration...1141
FAILURE CODE [CA3254] KDOC Outlet Temperature High Error 1...1144
FAILURE CODE [CA3255] KDPF Temperature Error - Non Regeneration...1147
FAILURE CODE [CA3256] KDPF Outlet Temperature High Error 1...1150
FAILURE CODE [CA3311] KDOC Outlet Temperature High Error 2...1152
FAILURE CODE [CA3312] KDPF Outlet Temperature High Error 2...1154
FAILURE CODE [CA3313] KDOC Inlet Temperature Sensor Low Error...1157
FAILURE CODE [CA3314] KDOC Inlet Temperature Sensor High Error...1159
FAILURE CODE [CA3315] KDOC Inlet Temperature Sensor In Range Error...1160
FAILURE CODE [CA3316] KDOC Outlet Temperature Sensor Low Error...1162
FAILURE CODE [CA3317] KDOC Outlet Temperature Sensor High Error...1163
FAILURE CODE [CA3318] KDOC Outlet Temperature Sensor In Range Error...1164
FAILURE CODE [CA3319] KDPF Outlet Temperature Sensor High Error...1166
FAILURE CODE [CA3321] KDPF Outlet Temperature Sensor Low Error...1167
FAILURE CODE [CA3322] KDPF Outlet Temperature Sensor In Range Error...1169
FAILURE CODE [CA3419] MAF Sensor Supply Voltage High Error...1171
FAILURE CODE [CA3421] MAF Sensor Supply Voltage Low Error...1173
FAILURE CODE [CA3497] AdBlue/DEF Level Low Error 1...1175
FAILURE CODE [CA3498] AdBlue/DEF Level Low Error 2...1176
FAILURE CODE [CA3543] AdBlue/DEF Quality Error (SCR Catalyst Efficiency Low)...1177
FAILURE CODE [CA3545] SCR Outlet NOx Sensor Unstable Error...1183
FAILURE CODE [CA3547] AdBlue/DEF Level Low Error 4...1185
FAILURE CODE [CA3558] AdBlue/DEF Pump Voltage High Error...1186
FAILURE CODE [CA3559] AdBlue/DEF Pump Voltage Low Error...1188
FAILURE CODE [CA3562] AdBlue/DEF LineHeater Relay 1 Voltage High Error...1190
FAILURE CODE [CA3563] AdBlue/DEF LineHeater Relay 1 Voltage Low Error...1192
FAILURE CODE [CA3567] AdBlue/DEF Injector Open Circuit Error or Short Circuit Error...1195
FAILURE CODE [CA3568] AdBlue/DEF Injector Malfunction...1198
FAILURE CODE [CA3571] AdBlue/DEF Pump Pressure Sensor High Error...1202
FAILURE CODE [CA3572] AdBlue/DEF Pump Pressure Sensor Low Error...1204
FAILURE CODE [CA3574] AdBlue/DEF Pump Pressure Too Low Error...1206
FAILURE CODE [CA3575] AdBlue/DEF Pump Pressure Too High Error...1208
FAILURE CODE [CA3577] AdBlue/DEF FCV Voltage High Error...1210
FAILURE CODE [CA3578] AdBlue/DEF FCV Voltage Low Error...1212
FAILURE CODE [CA3582] SCR Catalyst Efficiency Low Error 1...1214
FAILURE CODE [CA3583] SCR Outlet NOx Sensor Heater Warming up Error...1220
FAILURE CODE [CA3596] AdBlue/DEF Pump Pressure Unstable Error...1222
FAILURE CODE [CA3649] Turbo Outlet NOx Sensor Heater Warming up Error...1224
FAILURE CODE [CA3681] SCR Outlet NOx Sensor Power Voltage Error...1226
FAILURE CODE [CA3682] Turbo Outlet NOx Sensor Power Voltage Error...1231
FAILURE CODE [CA3713] AdBlue/DEF Line Heater 1 Voltage High Error...1237
FAILURE CODE [CA3717] SCR Outlet NOx Sensor Voltage Mismatch Error...1240
FAILURE CODE [CA3718] Turbo Outlet NOx Sensor Voltage Mismatch Error...1241
FAILURE CODE [CA3725] Turbo Outlet NOx Sensor Unstable Error...1242
FAILURE CODE [CA3741] Rail Press Valve Trip Error...1245
FAILURE CODE [CA3748] Turbo Outlet NOx Sensor Stuck In Range Error...1246
FAILURE CODE [CA3751] SCR Catalyst Degradation Error...1248
FAILURE CODE [CA3755] AdBlue/DEF Dosing Performance Degradation Error...1250
FAILURE CODE [CA3866] AdBlue/DEF Low Concentration Error 2...1252
FAILURE CODE [CA3867] AdBlue/DEF Low Concentration Error 1...1255
FAILURE CODE [CA3868] AdBlue/DEF Tank Sensor Datalink Timeout Error...1258
FAILURE CODE [CA3899] SCR NH3 Sensor Circuit Error...1262
FAILURE CODE [CA3911] SCR NH3 Sensor Datalink Timeout Error...1264
FAILURE CODE [CA3912] SCR NH3 Sensor Heater Warming up Error...1268
FAILURE CODE [CA3932] SCR NH3 Sensor Heater Voltage High Error...1270
FAILURE CODE [CA3933] SCR NH3 Sensor Heater Voltage Low Error...1272
FAILURE CODE [CA3934] SCR NH3 Sensor Power Interrupt Error...1274
FAILURE CODE [CA3935] SCR NH3 Sensor Trim Resistance Error...1277
FAILURE CODE [CA3936] SCR NH3 Sensor Internal Circuit Error...1279
FAILURE CODE [CA4151] KDOC and KDPF Temperature Sensor Datalink Timeout Error...1281
FAILURE CODE [CA4152] SCR Temperature Sensor Datalink Timeout Error...1285
FAILURE CODE [CA4155] AdBlue/DEF Pump Heater Relay Voltage High Error...1289
FAILURE CODE [CA4156] AdBlue/DEF Pump Heater Relay Voltage Low Error...1292
FAILURE CODE [CA4157] AdBlue/DEF FCV Malfunction...1295
FAILURE CODE [CA4158] KDOC and KDPF Temperature Sensor Internal Circuit Error...1297
FAILURE CODE [CA4159] SCR Temperature Sensor Internal Circuit Error...1298
FAILURE CODE [CA4161] KDOC and KDPF Temperature Sensor ECU Voltage High Error...1299
FAILURE CODE [CA4162] KDOC and KDPF Temperature Sensor ECU Voltage Low Error...1302
FAILURE CODE [CA4163] KDOC and KDPF Temperature Sensor ECU Over Temperature Error...1305
FAILURE CODE [CA4164] SCR Temperature Sensor ECU Voltage High Error...1307
FAILURE CODE [CA4165] SCR Temperature Sensor ECU Voltage Low Error...1309
FAILURE CODE [CA4166] SCR Temperature Sensor ECU High Temperature Error...1311
FAILURE CODE [CA4168] AdBlue/DEF Pump Heater ON Stuck Error...1313
FAILURE CODE [CA4169] AdBlue/DEF Pump Heater OFF Stuck Error...1316
FAILURE CODE [CA4171] AdBlue/DEF Pump Thawing Error...1318
FAILURE CODE [CA4249] AdBlue/DEF Pump Temperature Sensor 1 In Range Error...1321
FAILURE CODE [CA4251] AdBlue/DEF Pump Temperature Sensor 2 In Range Error...1323
FAILURE CODE [CA4259] KDOC and KDPF Temperature Sensor Power Interrupt Error...1325
FAILURE CODE [CA4261] SCR Temperature Sensor Power Interrupt Error...1328
FAILURE CODE [CA4277] AdBlue/DEF Quality Sensor Liquid Distinction Impossible Error...1331
FAILURE CODE [CA4281] SCR NH3 Sensor Stuck Response Error...1334
FAILURE CODE [CA4459] AdBlue/DEF LineHeater Relay 2 Voltage High Error...1337
FAILURE CODE [CA4461] AdBlue/DEF LineHeater Relay 2 Voltage Low Error...1340
FAILURE CODE [CA4658] AdBlue/DEF Flow Low Error...1343
FAILURE CODE [CA4731] AdBlue/DEF Temperature Sensor Transmission Data Error...1347
FAILURE CODE [CA4732] AdBlue/DEF Level Sensor Transmission Data Error...1348
FAILURE CODE [CA4739] AdBlue/DEF Level Sensor Internal Circuit Error...1349
FAILURE CODE [CA4768] Fuel in AdBlue/DEF Tank Error...1350
FAILURE CODE [CA4769] AdBlue/DEF Level Measurement Impossible...1352
FAILURE CODE [CA4842] AdBlue/DEF High Concentration Error...1355
FAILURE CODE [CA4952] System Operating Lamp Short Circuit (Engine Controller)...1358
FAILURE CODE [CA5115] AdBlue/DEF Line Heater 1 Voltage Low Error...1360
FAILURE CODE [CA5179] Engine Room Temperature Sensor High Error...1363
FAILURE CODE [CA5181] Engine Room Temperature Sensor Low Error...1365
FAILURE CODE [CA5383] Ash Accumulation High Error...1367
FAILURE CODE [D110KB] Battery Relay Output Short Circuit...1369
FAILURE CODE [D19JKZ] Personal Code Relay Open Circuit or Short Circuit...1371
FAILURE CODE [D811MC] KOMTRAX Malfunction...1374
FAILURE CODE [D862KA] GPS Antenna Open Circuit...1375
FAILURE CODE [D8ALKA] System Operating Lamp Open Circuit (KOMTRAX)...1376
FAILURE CODE [D8ALKB] System Operating Lamp Short Circuit (KOMTRAX)...1378
FAILURE CODE [D8AQKR] CAN 2 Defective Communication (KOMTRAX)...1380
FAILURE CODE [DA20MC] Pump Controller Malfunction...1382
FAILURE CODE [DA22KK] Pump Controller Solenoid Power Voltage Low Error...1383
FAILURE CODE [DA25KP] 5V Sensor 1 Power Voltage Low Error...1386
FAILURE CODE [DA29KQ] Model Selection Signal Mismatch (Pump Controller)...1389
FAILURE CODE [DA2LKA] System Operating Lamp Open Circuit (Pump Controller)...1391
FAILURE CODE [DA2LKB] System Operating Lamp Short Circuit (Pump Controller)...1393
FAILURE CODE [DA2QKR] Controller Area Network 2 Defective Communication (Pump Controller)...1395
FAILURE CODE [DA2RKR] Controller Area Network 1 Defective Communication (Pump Controller)...1398
FAILURE CODE [DAF0MB] Monitor ROM Abnormality...1399
FAILURE CODE [DAF0MC] Monitor Malfunction...1400
FAILURE CODE [DAF8KB] Camera Power Supply Short Circuit...1401
FAILURE CODE [DAF9KQ] Model Selection Signal Mismatch (Monitor)...1403
FAILURE CODE [DAFGMC] GPS Module Malfunction...1404
FAILURE CODE [DAFLKA] System Operating Lamp Open Circuit (Monitor)...1405
FAILURE CODE [DAFLKB] System Operating Lamp Short Circuit (Monitor)...1407
FAILURE CODE [DAFQKR] CAN 2 Defective Communication (Monitor)...1409
FAILURE CODE [DAZ9KQ] Model Selection Signal Mismatch (A/C)...1410
FAILURE CODE [DAZQKR] CAN 2 Defective Communication (A/C ECU)...1411
FAILURE CODE [DB2QKR] CAN 2 Defective Communication (Engine Controller)...1416
FAILURE CODE [DB2RKR] CAN 1 Defective Communication (Engine Controller)...1421
FAILURE CODE [DDNRKA] W/E Lever Lock SW Open Circuit...1426
FAILURE CODE [DDNRKY] W/E Lever Lock SW Short Circuit...1428
FAILURE CODE [DDNS00] Lock Lever Auto Lock Release SW On...1430
FAILURE CODE [DGH2KA] Hydraulic Oil Temperature Sensor Open Circuit...1432
FAILURE CODE [DGH2KB] Hydraulic Oil Temperature Sensor Ground Fault...1434
FAILURE CODE [DHA4KA] Air Cleaner Clog Sensor Open Circuit...1436
FAILURE CODE [DHAAMA] KDPF Differential Pressure Sensor Frozen...1438
FAILURE CODE [DHACMA] KDPF Outlet Pressure Sensor Frozen...1439
FAILURE CODE [DHPAMA] Front Pump Pressure Sensor Defective Function...1440
FAILURE CODE [DHPBMA] Rear Pump Pressure Sensor Defective Function...1443
FAILURE CODE [DHS3MA] Arm IN PPC Pressure Sensor Defective Function...1446
FAILURE CODE [DHS4MA] Bucket CURL PPC Pressure Sensor Defective Function...1449
FAILURE CODE [DHS8MA] Boom RAISE PPC Pressure Sensor Defective Function...1452
FAILURE CODE [DHS9MA] Boom LOWER PPC Pressure Sensor Defective Function...1455
FAILURE CODE [DHSAMA] Swing Right PPC Pressure Sensor Defective Function...1458
FAILURE CODE [DHSBMA] Swing Left PPC Pressure Sensor Defective Function...1461
FAILURE CODE [DHSCMA] Arm OUT PPC Pressure Sensor Defective Function...1464
FAILURE CODE [DHSDMA] Bucket DUMP PPC Pressure Sensor Defective Function...1467
FAILURE CODE [DHSFMA] Travel Forward Left PPC Pressure Sensor Defective Function...1470
FAILURE CODE [DHSGMA] Travel Forward Right PPC Pressure Sensor Defective Function...1473
FAILURE CODE [DHSHMA] Travel Reverse Left PPC Pressure Sensor Defective Function...1476
FAILURE CODE [DHSJMA] Travel Reverse Right PPC Pressure Sensor Defective Function...1479
FAILURE CODE [DKR0MA] Front Pump Swash Plate Sensor Defective Function...1482
FAILURE CODE [DKR1MA] Rear Pump Swash Plate Sensor Defective Function...1485
FAILURE CODE [DKULKA] PPC Lock Relay Open Circuit...1488
FAILURE CODE [DKULKB] PPC Lock Relay Short Circuit...1490
FAILURE CODE [DKULKY] PPC Lock Relay Hot Short Circuit...1492
FAILURE CODE [DR21KX] Camera 2 Picture Reverse Drive Input Out of Range...1494
FAILURE CODE [DR31KX] Camera 3 Picture Reverse Drive Input Out of Range...1496
FAILURE CODE [DV20KB] Travel Alarm Short Circuit...1498
FAILURE CODE [DW43KA] Travel Speed Solenoid Open Circuit...1500
FAILURE CODE [DW43KB] Travel Speed Solenoid Short Circuit...1502
FAILURE CODE [DW43KY] Travel Speed Solenoid Hot Short Circuit...1504
FAILURE CODE [DW45KA]Swing Parking Brake Solenoid Open Circuit...1506
FAILURE CODE [DW45KB] Swing Parking Brake Solenoid Short Circuit...1509
FAILURE CODE [DW45KY] Swing Parking Brake Solenoid Hot Short Circuit...1512
FAILURE CODE [DW4CKY] PPC Lock Solenoid Hot Short Circuit...1514
FAILURE CODE [DW91KA] Travel Junction Solenoid Open Circuit...1516
FAILURE CODE [DW91KB] Travel Junction Solenoid Short Circuit...1518
FAILURE CODE [DW91KY] Travel Junction Solenoid Hot Short Circuit...1520
FAILURE CODE [DWA2KA] Attachment Single or 2-Way Change Solenoid Open Circuit...1522
FAILURE CODE [DWA2KB] Attachment Single or 2-Way Change Solenoid Short Circuit...1524
FAILURE CODE [DWA2KY] Attachment Single or 2-Way Change Solenoid Hot Short Circuit...1526
FAILURE CODE [DWK0KA] 2-Stage Relief Solenoid Open Circuit...1528
FAILURE CODE [DWK0KB] 2-Stage Relief Solenoid Open Circuit...1530
FAILURE CODE [DWK0KY] 2-Stage Relief Solenoid Hot Short Circuit...1532
FAILURE CODE [DWK2KA] Variable Back Pressure Solenoid Open Circuit...1534
FAILURE CODE [DWK2KB] Variable Back Pressure Solenoid Short Circuit...1536
FAILURE CODE [DWK2KY] Variable Back Pressure Solenoid Hot Short Circuit...1538
FAILURE CODE [DWK8KA] Swing Pressure Cutoff Solenoid Open Circuit...1540
FAILURE CODE [DWK8KB] Swing Pressure Cutoff Solenoid Short Circuit...1542
FAILURE CODE [DWK8KY] Swing Pressure Cutoff Solenoid Hot Short Circuit...1544
FAILURE CODE [DXA8KA] Front Pump PC-EPC Solenoid Open Circuit...1546
FAILURE CODE [DXA8KB] Front Pump PC-EPC Solenoid Short Circuit...1548
FAILURE CODE [DXA9KA] Rear Pump PC-EPC Solenoid Open Circuit...1550
FAILURE CODE [DXA9KB] Rear Pump PC-EPC Solenoid Short Circuit...1552
FAILURE CODE [DXE0KA] LS-EPC Solenoid Open Circuit...1554
FAILURE CODE [DXE0KB] LS-EPC Solenoid Short Circuit...1555
FAILURE CODE [DXE4KA] Attachment Flow Regulating EPC Solenoid Open Circuit...1557
FAILURE CODE [DXE4KB] Attachment Flow Regulating EPC Solenoid Short Circuit...1559
FAILURE CODE [DXE4KY] Attachment Flow EPC Hot Short Circuit...1561
FAILURE CODE [DXE5KA] Merge-divider Main Solenoid Open Circuit...1563
FAILURE CODE [DXE5KB] Merge-divider Main Solenoid Short Circuit...1565
FAILURE CODE [DXE6KA] Merge-divider LS Solenoid Open Circuit...1567
FAILURE CODE [DXE6KB] Merge-divider LS Solenoid Short Circuit...1569
FAILURE CODE [DXE7KA] Attachment Flow Regulating EPC 2 Solenoid Open Circuit...1571
FAILURE CODE [DXE7KB] Attachment Flow Regulating EPC 2 Solenoid Short Circuit...1573
FAILURE CODE [DXE7KY] Attachment Flow Regulating EPC 2 Hot Short Circuit...1575
FAILURE CODE [DXE8KA] Attachment Flow Regulating EPC 3 Solenoid Open Circuit...1577
FAILURE CODE [DXE8KB] Attachment Flow Regulating EPC 3 Solenoid Short Circuit...1579
FAILURE CODE [DXE8KY] Attachment Flow Regulating EPC 3 Hot Short Circuit...1581
FAILURE CODE [DXE9KA] Attachment Flow Regulating EPC 4 Solenoid Open Circuit...1583
FAILURE CODE [DXE9KB] Attachment Flow Regulating EPC 4 Solenoid Short Circuit...1585
FAILURE CODE [DXE9KY] Attachment Flow Regulating EPC 4 Hot Short Circuit...1587
FAILURE CODE [DXEAKA] Attachment Flow Regulating EPC 5 Solenoid Open Circuit...1589
FAILURE CODE [DXEAKB] Attachment Flow Regulating EPC 5 Solenoid Short Circuit...1591
FAILURE CODE [DXEAKY] Attachment Flow Regulating EPC 1 Hot Short Circuit...1593
FAILURE CODE [DY20KA]Wiper Motor Open Circuit...1595
FAILURE CODE [DY20MA] Wiper Motor Defective Function...1597
FAILURE CODE [DY2CKB] Washer Motor Short Circuit...1599
FAILURE CODE [DY2DKB] Wiper Motor (Normal Rotation) Short Circuit...1602
FAILURE CODE [DY2EKB] Wiper Motor (Reverse Rotation) Short Circuit...1604
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E-MODE)...1606
E-1 ENGINE DOES NOT START (ENGINE DOES NOT CRANK)...1606
E-2 MANUAL PREHEATING SYSTEM DOES NOT WORK...1612
E-3 AUTOMATIC PREHEATING SYSTEM DOES NOT WORK...1615
E-4 WHILE PREHEATING IS WORKING, PREHEATING MONITOR DOES NOT LIGHT UP...1617
E-5 WHEN STARTING SWITCH IS TURNED TO ON POSITION, MACHINE MONITOR DISPLAYS NOTHING...1619
E-6 WHILE STARTING SWITCH IS TURNED TO ON POSITION (WITH ENGINE STOPPED), ENGINE OIL LEVEL MONITOR LIGHTS UP IN YELLOW...1622
E-7 WHILE STARTING SWITCH IS TURNED TO ON POSITION (WITH ENGINE STOPPED), RADIATOR COOLANT LEVEL MONITOR LIGHTS UP IN YELLOW...1623
E-8 ENGINE COOLANT TEMPERATURE MONITOR LIGHTS UP IN WHITE WHILE ENGINE IS RUNNING...1624
E-9 HYDRAULIC OIL TEMPERATURE MONITOR LIGHTS UP IN WHITE WHILE ENGINE IS RUNNING...1625
E-10 AIR CLEANER CLOGGING MONITOR LIGHTS UP IN YELLOW WHILE ENGINE IS RUNNING...1626
E-11 CHARGE LEVEL MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING...1627
E-12 FUEL LEVEL MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING...1628
E-13 WATER SEPARATOR MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING...1629
E-14 ENGINE COOLANT TEMPERATURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING...1630
E-15 ENGINE OIL PRESSURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING...1631
E-16 HYDRAULIC OIL TEMPERATURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING...1632
E-17 FUEL GAUGE DISPLAY DOES NOT MOVE FROM MINIMUM OR MAXIMUM...1633
E-18 DISPLAY OF FUEL GAUGE DIFFERS FROM ACTUAL FUEL LEVEL...1635
E-19 ENGINE COOLANT TEMPERATURE GAUGE DISPLAY DOES NOT MOVE FROM MINIMUM OR MAXIMUM...1636
E-20 DISPLAY OF ENGINE COOLANT TEMPERATURE GAUGE DIFFERS FROM ACTUAL COOLANT TEMPERATURE...1637
E-21 HYDRAULIC OIL TEMPERATURE GAUGE DISPLAY DOES NOT MOVE FROM MINIMUM OR MAXIMUM...1638
E-22 DISPLAY OF HYDRAULIC OIL TEMPERATURE GAUGE DIFFERS FROM ACTUAL OIL TEMPERATURE...1640
E-23 SOME AREAS OF MACHINE MONITOR SCREEN ARE NOT DISPLAYED...1641
E-24 FUNCTION SWITCH DOES NOT OPERATE...1642
E-25 AUTOMATIC WARM-UP SYSTEM DOES NOT WORK (IN COLD WEATHER)...1643
E-26 WHEN AUTO-DECELERATOR SWITCH IS OPERATED, AUTO-DECELERATOR MONITOR DOES NOT LIGHT UP OR DOES NOT GO OFF...1645
E-27 AUTO-DECELERATOR IS NOT OPERATED OR CANCELED WITH LEVER...1646
E-28 WHEN WORKING MODE SWITCH IS OPERATED, WORKING MODE SELECTION SCREEN IS NOT DISPLAYED...1647
E-29 WHEN WORKING MODE IS CHANGED, SETTING OF ENGINE AND HYDRAULIC PUMP IS NOT CHANGED...1648
E-30 WHEN TRAVEL SPEED SWITCH IS OPERATED, TRAVEL SPEED MONITOR DOES NOT CHANGE...1649
E-31 WHEN TRAVEL SPEED SELECTION IS CHANGED, ACTUAL TRAVEL SPEED DOES NOT CHANGE...1650
E-32 ALARM BUZZER CANNOT BE CANCELED...1652
E-33 SERVICE METER IS NOT DISPLAYED, WHILE STARTING SWITCH IS IN OFF POSITION...1653
E-34 SERVICE MODE CANNOT BE SELECTED...1654
E-35 ALL OF WORK EQUIPMENTS, SWING, AND TRAVEL MECHANISM DO NOT MOVE...1655
E-36 ALL OF WORK EQUIPMENT, SWING, AND TRAVEL MECHANISM DO NOT LOCK...1658
E-37 WHEN SWING BRAKE CANCEL SWITCH IS SET TO CANCEL POSITION, MACHINE CANNOT SWING...1660
E-38 WHEN SWING BRAKE CANCEL SWITCH IS SET TO NORMAL POSITION, SWING HOLDING BRAKE DOES NOT OPERATE...1663
E-39 ONE-TOUCH POWER MAXIMIZING FUNCTION DOES NOT OPERATE PROPERLY, OR INDICATOR NOT DISPLAYED ON MONITOR...1665
E-40 ONE-TOUCH POWER MAXIMIZING FUNCTION IS NOT CANCELLED...1668
E-41 ALARM DOES NOT SOUND DURING TRAVEL...1669
E-42 ALARM DOES NOT STOP SOUNDING WHILE MACHINE IS STOPPED...1671
E-43 HORN DOES NOT SOUND...1672
E-44 HORN DOES NOT STOP SOUNDING...1675
E-45 WHEN WIPER SWITCH IS OPERATED, WIPER MONITOR DOES NOT LIGHT UP OR GO OFF...1677
E-46 WHEN WIPER SWITCH IS OPERATED, WINDSHIELD WIPER DOES NOT OPERATE...1678
E-47 WHEN WINDOW WASHER SWITCH IS OPERATED, WINDOW WASHER DOES NOT OPERATE...1680
E-48 BOOM RAISE INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION...1681
E-49 BOOM LOWER INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION...1682
E-50 ARM OUT INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION...1683
E-51 ARM IN INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION...1684
E-52 BUCKET DUMP INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION...1685
E-53 BUCKET CURL INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION...1686
E-54 SWING INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION...1687
E-55 TRAVEL INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION...1688
E-56 SERVICE INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION...1689
E-57 ATTACHMENT HYDRAULIC CIRCUIT CANNOT BE CHANGED...1691
E-58 KOMTRAX SYSTEM DOES NOT OPERATE NORMALLY...1692
TROUBLESHOOTING FOR HYDRAULIC AND MECHANICAL SYSTEMS (H MODE)...1693
INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (H MODE)...1693
SYSTEM CHART OF HYDRAULIC AND MECHANICAL SYSTEMS...1694
FAILURE MODE AND CAUSE TABLE...1696
H-1 All of work equipments, swing and travel operation lack speed or power...1705
H-2 Engine speed lowers significantly or engine stalls...1707
H-3 Any of work equipment, swing and travel does not work...1709
H-4 Unusual sound is heard from around hydraulic pump...1710
H-5 Fine control performance or response is poor...1711
H-6 Speed or power of boom is low...1712
H-7 Speed or power of arm is low...1716
H-8 Speed or power of bucket is low...1720
H-9 Work equipment does not move in single operation...1723
H-10 Hydraulic drift of boom is large...1724
H-11 Hydraulic drift of arm is large...1726
H-12 Hydraulic drift of bucket is large...1728
H-13 Other work equipment moves when one of work equipment is relieved...1729
H-14 In combined operation of work equipment , equipment having heavier load moves slower...1730
H-15 Time lag of work equipment is large...1731
H-16 Machine does not travel straight...1732
H-17 Machine is hard to steer or travel power is low...1734
H-18 Travel speed is low...1737
H-19 One of tracks does not run...1739
H-20 Travel speed does not change, or travel speed is too low or high...1740
H-21 Upper structure does not swing in both right and left directions...1741
H-22 Upper structure does not swing in only one direction...1742
H-23 Swing acceleration or swing speed of upper structure is low in both right and left directions...1743
H-24 Swing acceleration or swing speed is low in only one direction...1744
H-25 Overrun of upper structure is large in both right and left directions...1745
H-26 Upper structure overruns excessively when it stops swing in only one direction...1746
H-27 Shock is large when upper structure stops swinging...1747
H-28 Large unusual noise is heard when upper structure stops swinging...1748
H-29 Swing drift on a slope is large (while swing parking brake is applied)...1749
H-30 Swing drift on a slope is large (while swing parking brake is released)...1750
H-31 Travel speed drops largely in combined operation of swing and trave...1751
H-32 In combined operation of swing and boom RAISE, boom rising speed is low...1752
H-33 One-touch power maximizing function does not work...1753
H-34 Attachment circuit cannot be changed...1754
H-35 Oil flow in attachment circuit cannot be controlled...1755
TROUBLESHOOTING OF ENGINE (S-MODE)...1756
INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (S MODE)...1756
S-1 ENGINE DOES NOT CRANK WHEN STARTING SWITCH IS TURNED TO START POSITION...1757
S-2 ENGINE CRANKS BUT NO EXHAUST GAS COMES OUT...1758
S-3 FUEL IS BEING INJECTED BUT ENGINE DOES NOT START (MISFIRING: ENGINE CRANKS BUT DOES NOT START)...1759
S-4 ENGINE STARTABILITY IS POOR...1761
S-5 ENGINE DOES NOT PICK UP SMOOTHLY...1763
S-6 ENGINE STOPS DURING OPERATION...1765
S-7 ENGINE RUNS ROUGH OR IS UNSTABLE...1767
S-8 ENGINE LACKS POWER...1768
S-9 KDPF GETS CLOGGED IN A SHORT TIME...1770
S-10 ENGINE OIL CONSUMPTION IS EXCESSIVE...1772
S-11 OIL BECOMES CONTAMINATED QUICKLY...1773
S-12 FUEL CONSUMPTION IS EXCESSIVE...1774
S-13 OIL IS IN COOLANT (OR COOLANT SPURTS BACK OR COOLANT LEVEL GOES DOWN)...1775
S-14 OIL PRESSURE DROPS...1776
S-15 FUEL MIXES INTO ENGINE OIL...1778
S-16 WATER MIXES INTO ENGINE OIL (MILKY)...1779
S-17 COOLANT TEMPERATURE RISES TOO HIGH (OVERHEATING)...1780
S-18 UNUSUAL NOISE IS HEARD...1781
S-19 VIBRATION IS EXCESSIVE...1782
S-20 AIR CANNOT BE BLED FROM FUEL CIRCUIT...1783
S-21 ACTIVE REGENERATION IS EXECUTED FREQUENTLY...1784
S-22 ACTIVE REGENERATION TAKES TIME...1786
S-23 WHITE SMOKE IS EXHAUSTED DURING ACTIVE REGENERATION...1787
S-24 AdBlue/DEF CONSUMPTION IS EXCESSIVE...1788
S-25 THERE IS UNUSUAL SMELL (IRRITATING ODOR)...1790
S-26 FOREIGN MATERIALS ENTER AdBlue/DEF (AdBlue/DEF INCREASES)...1791
50 DISASSEMBLY AND ASSEMBLY...1793
CONTENTS...1794
RELATED INFORMATION ON DISASSEMBLY AND ASSEMBLY...1799
HOW TO READ THIS MANUAL...1799
COATING MATERIALS LIST...1800
SPECIAL TOOLS LIST...1805
SKETCHES OF SPECIAL TOOLS...1817
ENGINE AND COOLING SYSTEM...1823
REMOVE AND INSTALL SUPPLY PUMP ASSEMBLY...1823
METHOD FOR REMOVING SUPPLY PUMP ASSEMBLY...1823
METHOD FOR INSTALLING SUPPLY PUMP ASSEMBLY...1826
REMOVE AND INSTALL INJECTOR ASSEMBLY...1830
METHOD FOR REMOVING INJECTOR ASSEMBLY...1830
METHOD FOR INSTALLING INJECTOR ASSEMBLY...1835
REMOVE AND INSTALL CYLINDER HEAD ASSEMBLY...1843
METHOD FOR REMOVING CYLINDER HEAD ASSEMBLY...1844
METHOD FOR INSTALLING CYLINDER HEAD ASSEMBLY...1853
REMOVE AND INSTALL EGR VALVE ASSEMBLY...1869
METHOD FOR REMOVING EGR VALVE ASSEMBLY...1869
METHOD FOR INSTALLING EGR VALVE ASSEMBLY...1870
REMOVE AND INSTALL EGR COOLER ASSEMBLY...1873
METHOD FOR REMOVING EGR COOLER ASSEMBLY...1873
METHOD FOR INSTALLING EGR COOLER ASSEMBLY...1876
REMOVE AND INSTALL STARTER ASSEMBLY...1881
METHOD FOR REMOVING STARTER ASSEMBLY...1881
METHOD FOR INSTALLING STARTER ASSEMBLY...1883
REMOVE AND INSTALL ALTERNATOR BELT...1885
METHOD FOR REMOVING ALTERNATOR BELT...1885
METHOD FOR INSTALLING ALTERNATOR BELT...1887
REMOVE AND INSTALL RADIATOR ASSEMBLY...1889
METHOD FOR REMOVING RADIATOR ASSEMBLY...1889
METHOD FOR INSTALLING RADIATOR ASSEMBLY...1891
REMOVE AND INSTALL HYDRAULIC OIL COOLER ASSEMBLY...1893
METHOD FOR REMOVING HYDRAULIC OIL COOLER ASSEMBLY...1893
METHOD FOR INSTALLING HYDRAULIC OIL COOLER ASSEMBLY...1896
REMOVE AND INSTALL AFTERCOOLER ASSEMBLY...1899
METHOD FOR REMOVING AFTERCOOLER ASSEMBLY...1899
METHOD FOR INSTALLING AFTERCOOLER ASSEMBLY...1900
REMOVE AND INSTALL ENGINE AND MAIN PUMP ASSEMBLY...1902
METHOD FOR REMOVING ENGINE AND MAIN PUMP ASSEMBLY...1903
METHOD FOR INSTALLING ENGINE AND MAIN PUMP ASSEMBLY...1911
REMOVE AND INSTALL ENGINE FRONT OIL SEAL...1922
METHOD FOR REMOVING ENGINE FRONT OIL SEAL...1922
METHOD FOR INSTALLING ENGINE FRONT OIL SEAL...1925
REMOVE AND INSTALL ENGINE REAR OIL SEAL...1929
METHOD FOR REMOVING ENGINE REAR OIL SEAL...1929
METHOD FOR INSTALLING ENGINE REAR OIL SEAL...1930
REMOVE AND INSTALL FUEL COOLER ASSEMBLY...1933
METHOD FOR REMOVING FUEL COOLER ASSEMBLY...1933
METHOD FOR INSTALLING FUEL COOLER ASSEMBLY...1934
REMOVE AND INSTALL ENGINE HOOD ASSEMBLY...1935
METHOD FOR REMOVING ENGINE HOOD ASSEMBLY...1935
METHOD FOR INSTALLING ENGINE HOOD ASSEMBLY...1937
REMOVE AND INSTALL FUEL TANK ASSEMBLY...1942
METHOD FOR REMOVING FUEL TANK ASSEMBLY...1942
METHOD FOR INSTALLING FUEL TANK ASSEMBLY...1946
REMOVE AND INSTALL AdBlue/DEF TANK ASSEMBLY...1950
METHOD FOR REMOVING AdBlue/DEF TANK ASSEMBLY...1950
METHOD FOR INSTALLING AdBlue/DEF TANK ASSEMBLY...1955
REMOVE AND INSTALL AdBlue/DEF TANK SENSOR FLANGE ASSEMBLY...1961
METHOD FOR REMOVING AdBlue/DEF TANK SENSOR FLANGE ASSEMBLY...1961
METHOD FOR INSTALLING AdBlue/DEF TANK SENSOR FLANGE ASSEMBLY...1966
REMOVE AND INSTALL AdBlue/DEF TANK SENSOR...1972
METHOD FOR REMOVING AdBlue/DEF TANK SENSOR...1972
METHOD FOR INSTALLING AdBlue/DEF TANK SENSOR...1972
REMOVE AND INSTALL AdBlue/DEF STRAINER...1974
METHOD FOR REMOVING AdBlue/DEF STRAINER...1974
METHOD FOR INSTALLING AdBlue/DEF STRAINER...1974
REMOVE AND INSTALL KDPF ASSEMBLY...1976
METHOD FOR REMOVING KDPF ASSEMBLY...1976
METHOD FOR INSTALLING KDPF ASSEMBLY...1978
DISASSEMBLE AND ASSEMBLE OF KDPF ASSEMBLY...1980
METHOD FOR DISASSEMBLING KDPF ASSEMBLY...1981
METHOD FOR ASSEMBLING KDPF ASSEMBLY...1984
REMOVE AND INSTALL SCR ASSEMBLY...1989
METHOD FOR REMOVING SCR ASSEMBLY...1989
METHOD FOR INSTALLING SCR ASSEMBLY...1991
REMOVE AND INSTALL KDPF, SCR ASSEMBLY...1993
METHOD FOR REMOVING KDPF, SCR ASSEMBLY...1993
METHOD FOR INSTALLING KDPF, SCR ASSEMBLY...1999
REMOVE AND INSTALL KDPF, SCR ASSEMBLY BRACKET...2005
METHOD FOR REMOVING KDPF, SCR ASSEMBLY BRACKET...2005
METHOD FOR INSTALLING KDPF, SCR ASSEMBLY BRACKET...2012
REMOVE AND INSTALL KCCV ASSEMBLY...2020
METHOD FOR REMOVING KCCV ASSEMBLY...2020
METHOD FOR INSTALLING KCCV ASSEMBLY...2022
REMOVE AND INSTALL AdBlue/DEF MIXING TUBE...2027
METHOD FOR REMOVING AdBlue/DEF MIXING TUBE...2027
METHOD FOR INSTALLING AdBlue/DEF MIXING TUBE...2032
REMOVE AND INSTALL AdBlue/DEF INJECTOR...2037
METHOD FOR REMOVING AdBlue/DEF INJECTOR...2037
METHOD FOR INSTALLING AdBlue/DEF INJECTOR...2039
REMOVE AND INSTALL AdBlue/DEF PUMP...2041
METHOD FOR REMOVING AdBlue/DEF PUMP...2041
METHOD FOR INSTALLING AdBlue/DEF PUMP...2043
REMOVE AND INSTALL AdBlue/DEF HOSE...2046
METHOD FOR REMOVING AdBlue/DEF HOSE...2046
METHOD FOR INSTALLING AdBlue/DEF HOSE...2050
REMOVE AND INSTALL AIR CLEANER ASSEMBLY...2056
METHOD FOR REMOVING AIR CLEANER ASSEMBLY...2056
METHOD FOR INSTALLING AIR CLEANER ASSEMBLY...2057
REMOVE AND INSTALL AIR CONDITIONER COMPRESSOR ASSEMBLY...2059
METHOD FOR REMOVING AIR CONDITIONER COMPRESSOR ASSEMBLY...2059
METHOD FOR INSTALLING AIR CONDITIONER COMPRESSOR ASSEMBLY...2061
REMOVE AND INSTALL AIR CONDITIONER CONDENSER ASSEMBLY...2064
METHOD FOR REMOVING AIR CONDITIONER CONDENSER ASSEMBLY...2064
METHOD FOR INSTALLING AIR CONDITIONER CONDENSER ASSEMBLY...2065
POWER TRAIN...2066
REMOVE AND INSTALL TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY...2066
METHOD FOR REMOVING TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY...2066
METHOD FOR INSTALLING TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY...2067
DISASSEMBLE AND ASSEMBLE FINAL DRIVE ASSEMBLY...2069
METHOD FOR DISASSEMBLING FINAL DRIVE ASSEMBLY...2069
METHOD FOR ASSEMBLING FINAL DRIVE ASSEMBLY...2073
REMOVE AND INSTALL SWING MOTOR AND SWING MACHINERY ASSEMBLY...2081
METHOD FOR REMOVING SWING MOTOR AND SWING MACHINERY ASSEMBLY...2081
METHOD FOR INSTALLING SWING MOTOR AND SWING MACHINERY ASSEMBLY...2084
DISASSEMBLE AND ASSEMBLE SWING MACHINERY ASSEMBLY...2087
METHOD FOR DISASSEMBLING SWING MACHINERY ASSEMBLY...2087
METHOD FOR ASSEMBLING SWING MACHINERY ASSEMBLY...2091
REMOVE AND INSTALL SWING CIRCLE ASSEMBLY...2098
METHOD FOR REMOVING SWING CIRCLE ASSEMBLY...2098
METHOD FOR INSTALLING SWING CIRCLE ASSEMBLY...2099
UNDERCARRIAGE AND FRAME...2100
SEPARATION AND CONNECTION OF TRACK ASSEMBLY...2100
METHOD FOR SEPARATING TRACK ASSEMBLY...2100
METHOD FOR INSTALLING TRACK ASSEMBLY...2102
REMOVE AND INSTALL SPROCKET...2105
METHOD FOR REMOVING SPROCKET...2105
METHOD FOR INSTALLING SPROCKET...2105
REMOVE AND INSTALL IDLER AND IDLER CUSHION ASSEMBLY...2107
METHOD FOR REMOVING IDLER AND IDLER CUSHION ASSEMBLY...2107
METHOD FOR INSTALLING IDLER AND IDLER CUSHION ASSEMBLY...2108
DISASSEMBLE AND ASSEMBLE IDLER ASSEMBLY...2109
METHOD FOR DISASSEMBLING IDLER ASSEMBLY...2109
METHOD FOR ASSEMBLING IDLER ASSEMBLY...2110
DISASSEMBLE AND ASSEMBLE OF IDLER CUSHION ASSEMBLY...2114
METHOD FOR DISASSEMBLING IDLER CUSHION ASSEMBLY...2115
METHOD FOR ASSEMBLING IDLER CUSHION ASSEMBLY...2116
DISASSEMBLE AND ASSEMBLE TRACK ROLLER ASSEMBLY...2117
METHOD FOR DISASSEMBLING TRACK ROLLER ASSEMBLY...2118
METHOD FOR ASSEMBLING TRACK ROLLER ASSEMBLY...2119
DISASSEMBLEAND ASSEMBLE CARRIER ROLLER ASSEMBLY...2121
METHOD FOR DISASSEMBLING CARRIER ROLLER ASSEMBLY...2121
METHOD FOR ASSEMBLING CARRIER ROLLER ASSEMBLY...2123
REMOVE AND INSTALL REVOLVING FRAME ASSEMBLY...2125
METHOD FOR REMOVING REVOLVING FRAME ASSEMBLY...2125
METHOD FOR INSTALLING REVOLVING FRAME ASSEMBLY...2127
REMOVE AND INSTALL COUNTERWEIGHT ASSEMBLY...2130
METHOD FOR REMOVING COUNTERWEIGHT ASSEMBLY...2130
METHOD FOR INSTALLING COUNTERWEIGHT ASSEMBLY...2133
HYDRAULIC SYSTEM...2137
REMOVE AND INSTALL CENTER SWIVEL JOINT ASSEMBLY...2137
METHOD FOR REMOVING CENTER SWIVEL JOINT ASSEMBLY...2137
METHOD FOR INSTALLING CENTER SWIVEL JOINT ASSEMBLY...2139
DISASSEMBLE AND ASSEMBLE CENTER SWIVEL JOINT ASSEMBLY...2142
METHOD FOR DISASSEMBLING CENTER SWIVEL JOINT ASSEMBLY...2143
METHOD FOR ASSEMBLING CENTER SWIVEL JOINT ASSEMBLY...2144
REMOVE AND INSTALL HYDRAULIC TANK ASSEMBLY...2145
METHOD FOR REMOVING HYDRAULIC TANK ASSEMBLY...2145
METHOD FOR INSTALLING HYDRAULIC TANK ASSEMBLY...2147
REMOVE AND INSTALL MAIN PUMP ASSEMBLY...2150
METHOD FOR REMOVING MAIN PUMP ASSEMBLY...2150
METHOD FOR INSTALLING MAIN PUMP ASSEMBLY...2153
REMOVE AND INSTALL CONTROL VALVE ASSEMBLY...2156
METHOD FOR REMOVING CONTROL VALVE ASSEMBLY...2156
METHOD FOR INSTALLING CONTROL VALVE ASSEMBLY...2163
DISASSEMBLE AND ASSEMBLE CONTROL VALVE ASSEMBLY...2171
METHOD FOR REPLACING PRESSURE COMPENSATION VALVE SEAL RING...2171
METHOD FOR ASSEMBLING CONTROL VALVE ASSEMBLY...2173
DISASSEMBLE AND ASSEMBLE WORK EQUIPMENT PPC VALVE ASSEMBLY...2177
METHOD FOR DISASSEMBLING WORK EQUIPMENT PPC VALVE ASSEMBLY...2177
METHOD FOR ASSEMBLING WORK EQUIPMENT PPC VALVE ASSEMBLY...2177
DISASSEMBLE AND ASSEMBLE TRAVEL PPC VALVE ASSEMBLY...2179
METHOD FOR DISASSEMBLING TRAVEL PPC VALVE ASSEMBLY...2179
METHOD FOR ASSEMBLING TRAVEL PPC VALVE ASSEMBLY...2180
WORK EQUIPMENT...2182
REMOVE AND INSTALL WORK EQUIPMENT ASSEMBLY...2182
METHOD FOR REMOVING WORK EQUIPMENT ASSEMBLY...2182
METHOD FOR INSTALLING WORK EQUIPMENT ASSEMBLY...2186
DISASSEMBLE AND ASSEMBLE WORK EQUIPMENT CYLINDER ASSEMBLY...2192
METHOD FOR DISASSEMBLING WORK EQUIPMENT CYLINDER ASSEMBLY...2192
METHOD FOR ASSEMBLING WORK EQUIPMENT CYLINDER ASSEMBLY...2195
CAB AND ITS ATTACHMENTS...2201
REMOVE AND INSTALL OPERATOR'S CAB ASSEMBLY...2201
METHOD FOR REMOVING OPERATOR CAB ASSEMBLY...2201
METHOD FOR INSTALLING OPERATOR CAB ASSEMBLY...2206
REMOVE AND INSTALL OPERATOR CAB GLASS (ADHERED GLASS)...2213
METHOD FOR REMOVING OPERATOR CAB GLASS (ADHERED GLASS)...2215
METHOD FOR INSTALLING OPERATOR CAB GLASS (ADHERED GLASS)...2215
REMOVE AND INSTALL FRONT WINDOW ASSEMBLY...2225
METHOD FOR REMOVING FRONT WINDOW ASSEMBLY...2225
METHOD FOR INSTALLING FRONT WINDOW ASSEMBLY...2228
REMOVE AND INSTALL FLOOR FRAME ASSEMBLY...2234
METHOD FOR REMOVING FLOOR FRAME ASSEMBLY...2234
METHOD FOR INSTALLING FLOOR FRAME ASSEMBLY...2241
REMOVE AND INSTALL AIR CONDITIONER UNIT ASSEMBLY...2248
METHOD FOR REMOVING AIR CONDITIONER UNIT ASSEMBLY...2248
METHOD FOR INSTALLING AIR CONDITIONER UNIT ASSEMBLY...2253
REMOVE AND INSTALL OPERATOR'S SEAT...2259
METHOD FOR REMOVING OPERATOR'S SEAT...2259
METHOD FOR INSTALLING OPERATOR'S SEAT...2261
REMOVE AND INSTALL SEAT BELT...2264
METHOD FOR REMOVING SEAT BELT...2264
METHOD FOR INSTALLING SEAT BELT...2265
REMOVE AND INSTALL FRONT WIPER ASSEMBLY...2266
METHOD FOR REMOVING FRONT WIPER ASSEMBLY...2266
METHOD FOR INSTALLING FRONT WIPER ASSEMBLY...2271
ELECTRICAL SYSTEM...2279
REMOVE AND INSTALL ENGINE CONTROLLER ASSEMBLY...2279
METHOD FOR REMOVING ENGINE CONTROLLER ASSEMBLY...2279
METHOD FOR INSTALLING ENGINE CONTROLLER ASSEMBLY...2281
REMOVE AND INSTALL PUMP CONTROLLER ASSEMBLY...2282
METHOD FOR REMOVING PUMP CONTROLLER ASSEMBLY...2282
METHOD FOR INSTALLING PUMP CONTROLLER ASSEMBLY...2286
REMOVE AND INSTALL MACHINE MONITOR ASSEMBLY...2291
METHOD FOR REMOVING MACHINE MONITOR ASSEMBLY...2291
METHOD FOR INSTALLING MACHINE MONITOR ASSEMBLY...2294
REMOVE AND INSTALL PUMP SWASH PLATE SENSOR...2297
METHOD FOR REMOVING PUMP SWASH PLATE SENSOR...2297
METHOD FOR INSTALLING PUMP SWASH PLATE SENSOR...2298
REMOVE AND INSTALL MASS AIR FLOW AND TEMPERATURE SENSOR...2299
METHOD FOR REMOVING MASS AIR FLOW AND TEMPERATURE SENSOR...2299
METHOD FOR INSTALLING MASS AIR FLOW AND TEMPERATURE SENSOR...2300
REMOVE AND INSTALL KCCV CRANKCASE PRESSURE SENSOR...2301
METHOD FOR REMOVING KCCV CRANKCASE PRESSURE SENSOR...2301
METHOD FOR INSTALLING KCCV CRANKCASE PRESSURE SENSOR...2302
REMOVE AND INSTALL SCR TEMPERATURE SENSOR...2303
METHOD FOR REMOVING SCR TEMPERATURE SENSOR...2303
METHOD FOR INSTALLING SCR TEMPERATURE SENSOR...2305
REMOVE AND INSTALL KOMTRAX TERMINAL ASSEMBLY...2307
METHOD FOR REMOVING KOMTRAX TERMINAL ASSEMBLY...2307
METHOD FOR INSTALLING KOMTRAX TERMINAL ASSEMBLY...2310
60 MAINTENANCE STANDARD...2313
CONTENTS...2314
ENGINE AND COOLING SYSTEM...2315
MAINTENANCE STANDARD OF ENGINE MOUNT...2315
MAINTENANCE STANDARD OF COOLING SYSTEM...2316
POWER TRAIN...2317
MAINTENANCE STANDARD OF SWING CIRCLE...2317
MAINTENANCE STANDARD OF SWING MACHINERY...2318
MAINTENANCE STANDARD OF FINAL DRIVE...2320
MAINTENANCE STANDARD OF SPROCKET...2322
MAINTENANCE STANDARD OF SPROCKET TOOTH PROFILE FULL-SCALE DRAWING...2323
UNDERCARRIAGE AND FRAME...2325
MAINTENANCE STANDARD OF TRACK FRAME AND IDLER CUSHION...2325
MAINTENANCE STANDARD OF IDLER...2327
MAINTENANCE STANDARD OF TRACK ROLLER...2329
MAINTENANCE STANDARD OF CARRIER ROLLER...2330
MAINTENANCE STANDARD OF TRACK SHOE...2331
MAINTENANCE STANDARD OF TRIPLE SHOE...2334
MAINTENANCE STANDARD OF SWAMP SHOE...2335
MAINTENANCE STANDARD OF ROAD LINER...2336
HYDRAULIC SYSTEM...2337
MAINTENANCE STANDARD OF HYDRAULIC TANK...2337
MAINTENANCE STANDARD OF MAIN PUMP...2338
MAINTENANCE STANDARD OF PC-EPC VALVE...2339
MAINTENANCE STANDARD OF SWING MOTOR...2340
MAINTENANCE STANDARD OF TRAVEL MOTOR...2343
MAINTENANCE STANDARD OF CONTROL VALVE...2346
MAINTENANCE STANDARD OF WORK EQUIPMENT AND SWING PPC VALVE...2356
MAINTENANCE STANDARD OF TRAVEL PPC VALVE...2359
MAINTENANCE STANDARD OF 1ST-LINE ATTACHMENT PPC VALVE (WITH EPC VALVE)...2362
MAINTENANCE STANDARD OF EPC VALVE...2363
MAINTENANCE STANDARD OF 2ND-LINE ATTACHMENT PPC VALVE...2365
MAINTENANCE STANDARD OF SOLENOID VALVE...2367
MAINTENANCE STANDARD OF ATTACHMENT CIRCUIT SELECTOR VALVE (FOR HIGH PRESSURE)...2368
MAINTENANCE STANDARD OF ATTACHMENT CIRCUIT SELECTOR VALVE (FOR LOW PRESSURE)...2369
MAINTENANCE STANDARD OF CENTER SWIVEL JOINT...2370
WORK EQUIPMENT...2371
MAINTENANCE STANDARD OF WORK EQUIPMENT LINKAGE...2371
DIMENSION OF ARM...2376
DIMENSIONS OF BUCKET...2378
MAINTENANCE STANDARD OF BOOM CYLINDER...2380
MAINTENANCE STANDARD OF BOOM CYLINDER (FOR LARGE DIAMETER PISTON)...2381
MAINTENANCE STANDARD OF ARM CYLINDER...2382
MAINTENANCE STANDARD OF BUCKET CYLINDER...2383
80 APPENDIX...2385
CONTENTS...2386
AIR CONDITIONER SYSTEM...2388
PRECAUTIONS FOR REFRIGERANT...2388
AIR CONDITIONER COMPONENT...2389
SPECIFICATIONS OF AIR CONDITIONER...2391
CONFIGURATION AND FUNCTION OF REFRIGERATION CYCLE...2392
OUTLINE OF REFRIGERATION CYCLE...2393
COMPONENT PARTS OF AIR CONDITIONER SYSTEM...2395
AIR CONDITIONER UNIT...2395
CONFIGURATION DIAGRAM OF AIR CONDITIONER UNIT...2395
FUNCTION OF AIR CONDITIONER UNIT...2397
COMPONENT PARTS OF AIR CONDITIONER UNIT...2399
FUNCTION OF EVAPORATOR AS AIR CONDITIONER UNIT COMPONENT...2400
FUNCTION OF HEATER CORE AS AIR CONDITIONER UNIT COMPONENT...2400
FUNCTION OF EVAPORATOR TEMPERATURE SENSOR AS AIR CONDITIONER UNIT COMPONENT...2400
FUNCTION OF SERVO MOTOR AS AIR CONDITIONER UNIT COMPONENT...2400
STRUCTURE OF EXPANSION VALVE AS AIR CONDITIONER UNIT COMPONENT...2401
FUNCTION OF EXPANSION VALVE AS AIR CONDITIONER UNIT COMPONENT...2401
OPERATE EXPANSION VALVE AS AIR CONDITIONER UNIT COMPONENT...2402
FUNCTION OF DUAL PRESSURE SWITCH...2402
AIR CONDITIONER CONTROLLER...2403
STRUCTURE OF AIR CONDITIONER CONTROLLER...2403
COMPRESSOR...2404
STRUCTURE OF COMPRESSOR...2404
SPECIFICATIONS OF COMPRESSOR...2404
FUNCTION OF COMPRESSOR...2405
CONDENSER...2406
STRUCTURE OF CONDENSER...2406
SPECIFICATIONS OF CONDENSER...2406
FUNCTION OF CONDENSER...2406
SENSORS FOR AIR CONDITIONER SYSTEM...2408
STRUCTURE OF SUNLIGHT SENSOR...2408
FUNCTION OF SUNLIGHT SENSOR...2408
STRUCTURE OF AMBIENT TEMPERATURE SENSOR...2408
FUNCTION OF AMBIENT TEMPERATURE SENSOR...2408
EXPLANATION OF PROCEDURE FOR TESTING AND TROUBLESHOOTING OF AIR CONDITIONER...2410
CIRCUIT DIAGRAM AND ARRANGEMENT OF CONNECTOR PINS FOR AIR CONDITIONER...2412
AIR CONDITIONER SYSTEM DIAGRAM...2414
INPUT AND OUTPUT SIGNALS OF AIR CONDITIONER CONTROLLER...2415
FUNCTION OF AIR CONDITIONER CONTROLLER...2416
INSTALLATION LOCATIONS OF AIR CONDITIONER PARTS AND ARRANGEMENT OF CONNECTORS...2417
TESTING AIR LEAKAGE (DUCT)...2421
METHOD FOR TESTING AIR LEAKAGE (DUCT)...2421
TESTING AIR CONDITIONER USING SELF-DIAGNOSIS FUNCTION...2423
HOW TO OPEN THE ELECTRICAL SYSTEM ABNORMALITY RECORD SCREEN IN SERVICE MODE OF THE MACHINE MONITOR...2424
TEST VENT (MODE) CHANGEOVER...2425
METHOD FOR TESTING VENT (MODE) CHANGEOVER...2425
TESTING FRESH/RECIRC AIR CHANGEOVER...2427
METHOD FOR TESTING FRESH/RECIRC AIR CHANGEOVER...2427
TEST SUNLIGHT SENSOR...2428
METHOD FOR TESTING SUNLIGHT SENSOR...2428
TEST (DUAL) PRESSURE SWITCH FOR REFRIGERANT...2429
METHOD FOR TESTING (DUAL) PRESSURE SWITCH FOR REFRIGERANT...2429
TEST RELAYS...2430
METHOD FOR TESTING RELAYS...2430
AIR CONDITIONER TROUBLESHOOTING CHART 1...2431
AIR CONDITIONER TROUBLESHOOTING CHART 2...2433
INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE...2436
FAILURE CODE [879AKA] A/C Recirculation Air Temperature Sensor Open Circuit...2438
FAILURE CODE [879AKB] A/C Recirculation Air Temperature Sensor Short Circuit...2439
FAILURE CODE [879BKA] A/C Fresh Air Temperature Sensor Open Circuit...2440
FAILURE CODE [879BKB] A/C Fresh Air Temperature Sensor Short Circuit...2442
FAILURE CODE [879CKA] Ventilating Sensor Open Circuit...2444
FAILURE CODE [879CKB] Ventilating Sensor Short Circuit...2445
FAILURE CODE [879DKZ] Sunlight Sensor Open Circuit or Short Circuit...2446
FAILURE CODE [879EMC] Ventilation Damper Malfunction...2448
FAILURE CODE [879FMC] Air Mix Damper Malfunction...2449
FAILURE CODE [879GKX] Refrigerant Pressure Input Signal Out of Range...2450
A-1 TROUBLESHOOTING FOR POWER SUPPLY SYSTEM (AIR CONDITIONER DOES NOT OPERATE)...2452
A-2 TROUBLESHOOTING OF COMPRESSOR SYSTEM (AIR IS NOT COOLED)...2454
A-3 TROUBLESHOOTING FOR BLOWER MOTOR SYSTEM (NO AIR COMES OUT OR AIR FLOW IS ABNORMAL)...2457
A-4 TROUBLESHOOTING FOR FRESH/RECIRC AIR CHANGEOVER...2459
TROUBLESHOOTING USING GAUGE PRESSURE...2461
CONNECTION OF SERVICE TOOL...2463
METHOD FOR CONNECTING SERVICE TOOL...2463
PRECAUTIONS FOR DISCONNECTING AND CONNECTING HOSES AND TUBES IN AIR CONDITIONER PIPINGS...2465
HANDLE COMPRESSOR OIL...2467
METHOD FOR REPLACING DESICCANT...2469
90 CIRCUIT DIAGRAMS...2471
CONTENTS...2472
HYDRAULIC CIRCUIT DIAGRAM...2473
SYMBOLS USED IN HYDRAULIC CIRCUIT DIAGRAM...2473
HYDRAULIC CIRCUIT DIAGRAM...2477
ELECTRICAL CIRCUIT DIAGRAM...2478
SYMBOLS USED IN ELECTRICAL CIRCUIT DIAGRAM...2478
ELECTRICAL CIRCUIT DIAGRAM (1/7)...2482
ELECTRICAL CIRCUIT DIAGRAM (2/7)...2483
ELECTRICAL CIRCUIT DIAGRAM (3/7)...2484
ELECTRICAL CIRCUIT DIAGRAM (4/7)...2485
ELECTRICAL CIRCUIT DIAGRAM (5/7)...2486
ELECTRICAL CIRCUIT DIAGRAM (6/7)...2487
ELECTRICAL CIRCUIT DIAGRAM (7/7)...2488
INDEX...2489
