Komatsu PC490LCi-11 Hydraulic Excavator Shop Manual SEN06592-10 – PDF DOWNLOAD

Komatsu PC490LCi-11 Hydraulic Excavator Shop Manual SEN06592-10 – PDF DOWNLOAD

FILE DETAILS:

Komatsu PC490LCi-11 Hydraulic Excavator Shop Manual SEN06592-10 – PDF DOWNLOAD

Language : English
Pages : 3700
Downloadable : Yes
File Type : PDF
Size: 92.9 MB

TABLE OF CONTENTS:

Komatsu PC490LCi-11 Hydraulic Excavator Shop Manual SEN06592-10 – PDF DOWNLOAD

00 INDEX AND FOREWORD 00-1
ABBREVIATION LIST 00-22
FOREWORD, SAFETY, BASIC INFORMATION 00-28
HOW TO READ THE SHOP MANUAL 00-28
SAFETY NOTICE FOR OPERATION 00-30
PRECAUTIONS TO PREVENT FIRE 00-38
ACTIONS IF FIRE OCCURS 00-40
PRECAUTIONS FOR DISPOSING OF WASTE MATERIALS 00-41
ACTIONS TAKEN TO MEET EXHAUST GAS REGULATIONS 00-42
PRECAUTIONS FOR DEF 00-43
STORE AdBlue/DEF 00-44
PRECAUTIONS FOR HANDLING HYDRAULIC EQUIPMENT 00-45
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF PIPINGS 00-48
PRECAUTIONS FOR HANDLING ELECTRICAL EQUIPMENT 00-55
PRECAUTIONS FOR HANDLING FUEL SYSTEM EQUIPMENT 00-57
PRECAUTIONS FOR HANDLING INTAKE SYSTEM EQUIPMENT 00-58
PRACTICAL USE OF KOMTRAX 00-59
DISCONNECT AND CONNECT PUSH-PULL TYPE COUPLER 00-60
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF CONNECTORS 00-64
METHOD FOR DISCONNECTING AND CONNECTING DEUTSCH CONNECTOR 00-68
METHOD FOR DISCONNECTING AND CONNECTING SLIDE LOCK TYPE CONNECTOR 00-69
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PULL 00-71
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PUSH 00-72
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH HOUSING TO ROTATE
00-74
HOW TO READ ELECTRICAL WIRE CODE 00-75
EXPLANATION OF TERMS FOR MAINTENANCE STANDARD 00-79
STANDARD TIGHTENING TORQUE TABLE 00-82
CONVERSION TABLE 00-89
01 SPECIFICATIONS 01-1
CONTENTS 01-2
ABBREVIATION LIST 01-3
SPECIFICATIONS 01-9
SPECIFICATION DRAWING 01-9
WORKING RANGE DRAWINGS 01-11
SPECIFICATIONS 01-12
WEIGHT TABLE 01-16
TABLE OF FUEL, COOLANT, AND LUBRICANTS 01-18
10 STRUCTURE AND FUNCTION 10-1
CONTENTS 10-2
ABBREVIATION LIST 10-6
UREA SCR SYSTEM 10-12
LAYOUT DRAWING OF UREA SCR SYSTEM 10-12
UREA SCR SYSTEM DIAGRAM 10-16
FUNCTION OF UREA SCR SYSTEM 10-17
COMPONENT PARTS OF UREA SCR SYSTEM 10-33
BOOT-UP SYSTEM 10-42
LAYOUT DRAWING OF BOOT-UP SYSTEM 10-42
SYSTEM OPERATING LAMP SYSTEM 10-44
BATTERY DISCONNECT SWITCH 10-46
ENGINE SYSTEM 10-47
LAYOUT DRAWING OF ENGINE SYSTEM 10-47
ENGINE CONTROL SYSTEM 10-50
AUTO-DECELERATION SYSTEM 10-53
ENGINE AUTOMATIC WARM-UP SYSTEM 10-55
OVERHEAT PREVENTION SYSTEM 10-57
INDEX 00 INDEX AND FOREWORD
00-2 PC490LCi-11
TURBOCHARGER PROTECTION SYSTEM 10-60
AUTOMATIC IDLE STOP SYSTEM 10-62
COMPONENT PARTS OF ENGINE SYSTEM 10-65
COOLING SYSTEM 10-82
LAYOUT DRAWING OF COOLING SYSTEM 10-82
FAN SPEED CONTROL SYSTEM OF HYDRAULIC FAN 10-85
ENGINE OUTPUT CONTROL SYSTEM OF HYDRAULIC FAN 10-87
FAN REVERSE ROTATION SYSTEM OF HYDRAULIC FAN 10-90
COMPONENT PARTS OF COOLING SYSTEM 10-91
CONTROL SYSTEM 10-106
LAYOUT DRAWING OF CONTROL SYSTEM 10-106
MACHINE MONITOR SYSTEM 10-109
KOMTRAX SYSTEM 10-110
COMPONENT PARTS OF CONTROL SYSTEM 10-111
HYDRAULIC SYSTEM 10-145
LAYOUT DRAWING OF HYDRAULIC SYSTEM 10-145
CLSS 10-147
ENGINE AND PUMP COMBINED CONTROL SYSTEM 10-166
PUMP AND VALVE CONTROL SYSTEM 10-173
COMPONENT PARTS OF HYDRAULIC SYSTEM 10-176
WORK EQUIPMENT SYSTEM 10-265
LAYOUT DRAWING OF WORK EQUIPMENT SYSTEM 10-265
STRUCTURE OF VALVE CONTROL 10-270
ONE-TOUCH POWER MAXIMIZING SYSTEM 10-271
MACHINE PUSH-UP SYSTEM 10-273
PPC LOCK SYSTEM 10-275
WORK EQUIPMENT AND TRAVEL AUTOMATIC LOCK SYSTEM 10-276
OIL FLOW ADJUSTER SYSTEM FOR ATTACHMENT 10-278
COMPONENT PARTS OF WORK EQUIPMENT SYSTEM 10-280
ICT SYSTEM 10-298
LAYOUT DRAWING OF ICT SYSTEM 10-298
ICT CONTROL SYSTEM DIAGRAM 10-300
BUCKET EDGE POSITION DETECTION SYSTEM 10-301
THE INTELLIGENT MACHINE CONTROL SYSTEM 10-303
CUSHION SYSTEM FOR ARM IN END 10-318
BOOM SECONDARY DRIVE SWITCH 10-320
COMPONENT PARTS OF ICT SYSTEM 10-321
SWING SYSTEM 10-355
LAYOUT DRAWING OF SWING SYSTEM 10-355
SWING CONTROL SYSTEM DIAGRAM 10-360
COMPONENT PARTS OF SWING SYSTEM 10-364
TRAVEL SYSTEM 10-379
LAYOUT DRAWING OF TRAVEL SYSTEM 10-379
TRAVEL CONTROL SYSTEM DIAGRAM 10-383
COMPONENT PARTS OF TRAVEL SYSTEM 10-385
UNDERCARRIAGE AND FRAME 10-407
LAYOUT DRAWING OF UNDERCARRIAGE 10-407
WORK EQUIPMENT 10-408
STRUCTURE OF WORK EQUIPMENT 10-408
FUNCTION OF WORK EQUIPMENT 10-409
WORK EQUIPMENT CLEARANCE ADJUSTMENT SHIM 10-410
BUCKET CLEARANCE ADJUSTMENT SHIM 10-411
CAB AND ITS ATTACHMENTS 10-412
ROPS CAB 10-412
CAB MOUNT 10-413
CAB TIPPING STOPPER 10-414
20 STANDARD VALUE TABLE 20-1
CONTENTS 20-2
00 INDEX AND FOREWORD INDEX
PC490LCi-11 00-3
ABBREVIATION LIST 20-3
STANDARD VALUE TABLE FOR ENGINE 20-9
STANDARD VALUE TABLE FOR ENGINE: PC490LCI-11 20-9
STANDARD VALUE TABLE FOR MACHINE 20-12
STANDARD VALUE TABLE FOR MACHINE: PC490LCI-11 20-12
MACHINE POSTURE AND PROCEDURE FOR MEASURING PERFORMANCE 20-37
STANDARD VALUE TABLE FOR ELECTRICAL 20-41
STANDARD VALUE TABLE FOR ELECTRICAL 20-41
30 TESTING AND ADJUSTING 30-1
CONTENTS 30-2
ABBREVIATION LIST 30-6
RELATED INFORMATION ON TESTING AND ADJUSTING 30-12
TOOLS FOR TESTING AND ADJUSTING 30-12
SKETCH OF TOOLS FOR TESTING AND ADJUSTING 30-23
ENGINE AND COOLING SYSTEM 30-25
TEST ENGINE SPEED 30-25
TEST BOOST PRESSURE 30-28
TEST EXHAUST GAS COLOR 30-30
TEST AND ADJUST VALVE CLEARANCE 30-32
TEST COMPRESSION PRESSURE 30-36
TEST BLOWBY PRESSURE 30-39
TEST ENGINE OIL PRESSURE 30-41
TEST EGR VALVE AND VGT OIL PRESSURE 30-43
TEST FUEL PRESSURE 30-45
TEST FUEL RETURN RATE AND LEAKAGE 30-47
BLEED AIR FROM FUEL SYSTEM 30-50
TEST FUEL CIRCUIT FOR LEAKAGE 30-52
HANDLE CYLINDER CUT-OUT MODE OPERATION 30-54
HANDLE NO-INJECTION CRANKING OPERATION 30-55
TEST AND ADJUST AIR CONDITIONER COMPRESSOR BELT TENSION 30-56
CLEAN FUEL DOSER 30-58
WRITE INJECTOR COMPENSATION VALUE TO ENGINE CONTROLLER 30-60
WRITE ASH IN SOOT ACCUMULATION CORRECTION TO ENGINE CONTROLLER 30-66
TEST SCR RELATED FUNCTIONS 30-67
CLEAN AdBlue/DEF TANK 30-95
POWER TRAIN 30-99
TEST SWING CIRCLE BEARING CLEARANCE 30-99
UNDERCARRIAGE AND FRAME 30-100
TEST AND ADJUST TRACK TENSION 30-100
HYDRAULIC SYSTEM 30-102
RELEASE REMAINING PRESSURE FROM HYDRAULIC SYSTEM 30-102
TEST AND ADJUST OIL PRESSURE IN WORK EQUIPMENT, SWING, AND TRAVEL CIRCUITS
30-104
TEST OIL PRESSURE OF CONTROL CIRCUIT 30-116
TEST AND ADJUST OIL PRESSURE IN PUMP PC CONTROL CIRCUIT 30-118
TEST AND ADJUST OIL PRESSURE IN PUMP LS CONTROL CIRCUIT 30-122
TEST OUTLET PRESSURE OF SOLENOID VALVE 30-127
TEST PPC VALVE OUTLET PRESSURE 30-130
ADJUST WORK EQUIPMENT AND SWING PPC VALVES 30-132
TEST PUMP SWASH PLATE SENSOR 30-133
TEST COOLING FAN SPEED 30-134
TEST OIL PRESSURE IN FAN PUMP CIRCUIT 30-135
TEST FAN PUMP EPC ELECTRIC CURRENT 30-137
TEST FAN PUMP EPC SOLENOID VALVE OUTLET PRESSURE 30-138
TEST THE PARTS CAUSING HYDRAULIC DRIFT IN WORK EQUIPMENT 30-140
TEST OIL LEAKAGE 30-142
BLEED AIR FROM HYDRAULIC CIRCUIT 30-145
CAB AND ITS ATTACHMENTS 30-150
INDEX 00 INDEX AND FOREWORD
00-4 PC490LCi-11
TEST CAB TIPPING STOPPER 30-150
ELECTRICAL SYSTEM 30-154
SET AND OPERATE MACHINE MONITOR 30-154
METHOD FOR STARTING UP KOMTRAX TERMINAL 30-235
ADJUST REARVIEW CAMERA ANGLE 30-240
ADJUST KomVision CAMERA ANGLE 30-243
HANDLE VOLTAGE CIRCUIT OF ENGINE CONTROLLER 30-260
HANDLE BATTERY DISCONNECT SWITCH 30-261
TEST DIODES 30-262
ICT SYSTEM 30-263
SET AND OPERATE CONTROL BOX 30-263
CALIBRATE INTELLIGENT MACHINE CONTROL 30-272
Pm CLINIC 30-702
Pm CLINIC SERVICE 30-702
40 TROUBLESHOOTING 40-1
CONTENTS 40-2
ABBREVIATION LIST 40-15
RELATED INFORMATION ON TROUBLESHOOTING 40-21
GENERAL TROUBLESHOOTING POINTS 40-21
TROUBLESHOOTING POINTS FOR UREA SCR SYSTEM 40-22
SEQUENCE OF EVENTS IN TROUBLESHOOTING 40-34
CHECKS BEFORE TROUBLESHOOTING 40-36
INSPECTION PROCEDURE BEFORE TROUBLESHOOTING 40-38
TESTING IN ACCORDANCE WITH TESTING PROCEDURE 40-40
PREPARATION FOR TROUBLESHOOTING OF ELECTRICAL SYSTEM 40-62
PROCEDURE FOR TESTING AND TROUBLESHOOTING 40-71
SYMPTOMS OF FAILURE AND TROUBLESHOOTING NUMBERS 40-74
INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE 40-79
CONNECTOR LIST AND LAYOUT 40-81
CONNECTOR CONTACT IDENTIFICATION 40-101
T-BRANCH BOX AND T-BRANCH ADAPTER TABLE 40-141
FUSE LOCATION TABLE 40-147
PRECAUTIONS FOR CLEANING AND REPLACING KDPF (KCSF and KDOC) 40-149
PREPARATION OF SHORT CIRCUIT ELECTRICAL CONNECTOR (FOR FAILURE CODES [CA1883]
AND [CA3135]) 40-153
FAILURE CODES TABLE 40-155
TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE) 40-177
FAILURE CODE [879AKA] 40-177
FAILURE CODE [879AKB] 40-178
FAILURE CODE [879BKA] 40-179
FAILURE CODE [879BKB] 40-181
FAILURE CODE [879CKA] 40-183
FAILURE CODE [879CKB] 40-184
FAILURE CODE [879DKZ] 40-185
FAILURE CODE [879EMC] 40-187
FAILURE CODE [879FMC] 40-188
FAILURE CODE [879GKX] 40-189
FAILURE CODE [989L00] 40-191
FAILURE CODE [989M00] 40-192
FAILURE CODE [989N00] 40-193
FAILURE CODE [A1U0N3] 40-194
FAILURE CODE [A1U0N4] 40-196
FAILURE CODE [A900FR] 40-198
FAILURE CODE [A900N6] 40-199
FAILURE CODE [A900NY] 40-200
FAILURE CODE [AA10NX] 40-201
FAILURE CODE [AB00KE] 40-203
FAILURE CODE [AQ10N3] 40-206
00 INDEX AND FOREWORD INDEX
PC490LCi-11 00-5
FAILURE CODE [AS00N3] 40-208
FAILURE CODE [AS00R2] 40-210
FAILURE CODE [AS00R3] 40-211
FAILURE CODE [AS00R4] 40-212
FAILURE CODE [AS00R5] 40-213
FAILURE CODE [AS00R6] 40-214
FAILURE CODE [AS00ZK] 40-215
FAILURE CODE [AS10KM] 40-216
FAILURE CODE [AS10NR] 40-217
FAILURE CODE [AS10NT] 40-218
FAILURE CODE [B@BAZG] 40-219
FAILURE CODE [B@BAZK] 40-220
FAILURE CODE [B@BCNS] 40-222
FAILURE CODE [B@BCQA] 40-223
FAILURE CODE [B@BCZK] 40-225
FAILURE CODE [B@HANS] 40-227
FAILURE CODE [CA115] 40-228
FAILURE CODE [CA122] 40-229
FAILURE CODE [CA123] 40-231
FAILURE CODE [CA131] 40-233
FAILURE CODE [CA132] 40-235
FAILURE CODE [CA135] 40-237
FAILURE CODE [CA141] 40-239
FAILURE CODE [CA144] 40-241
FAILURE CODE [CA145] 40-243
FAILURE CODE [CA153] 40-245
FAILURE CODE [CA154] 40-248
FAILURE CODE [CA187] 40-251
FAILURE CODE [CA221] 40-253
FAILURE CODE [CA222] 40-255
FAILURE CODE [CA227] 40-257
FAILURE CODE [CA234] 40-258
FAILURE CODE [CA238] 40-259
FAILURE CODE [CA239] 40-261
FAILURE CODE [CA249] 40-263
FAILURE CODE [CA256] 40-265
FAILURE CODE [CA271] 40-267
FAILURE CODE [CA272] 40-269
FAILURE CODE [CA273] 40-270
FAILURE CODE [CA274] 40-272
FAILURE CODE [CA322] 40-273
FAILURE CODE [CA323] 40-275
FAILURE CODE [CA324] 40-277
FAILURE CODE [CA325] 40-279
FAILURE CODE [CA331] 40-281
FAILURE CODE [CA332] 40-283
FAILURE CODE [CA343] 40-285
FAILURE CODE [CA351] 40-286
FAILURE CODE [CA352] 40-287
FAILURE CODE [CA356] 40-290
FAILURE CODE [CA357] 40-292
FAILURE CODE [CA386] 40-294
FAILURE CODE [CA441] 40-295
FAILURE CODE [CA442] 40-297
FAILURE CODE [CA449] 40-298
FAILURE CODE [CA451] 40-299
FAILURE CODE [CA452] 40-301
FAILURE CODE [CA515] 40-303
INDEX 00 INDEX AND FOREWORD
00-6 PC490LCi-11
FAILURE CODE [CA516] 40-305
FAILURE CODE [CA553] 40-307
FAILURE CODE [CA555] 40-308
FAILURE CODE [CA556] 40-309
FAILURE CODE [CA559] 40-310
FAILURE CODE [CA595] 40-315
FAILURE CODE [CA687] 40-316
FAILURE CODE [CA689] 40-318
FAILURE CODE [CA691] 40-320
FAILURE CODE [CA692] 40-322
FAILURE CODE [CA697] 40-324
FAILURE CODE [CA698] 40-325
FAILURE CODE [CA731] 40-326
FAILURE CODE [CA778] 40-327
FAILURE CODE [CA1117] 40-330
FAILURE CODE [CA1664] 40-331
FAILURE CODE [CA1669] 40-334
FAILURE CODE [CA1673] 40-335
FAILURE CODE [CA1677] 40-336
FAILURE CODE [CA1678] 40-337
FAILURE CODE [CA1682] 40-338
FAILURE CODE [CA1683] 40-340
FAILURE CODE [CA1684] 40-341
FAILURE CODE [CA1686] 40-343
FAILURE CODE [CA1691] 40-344
FAILURE CODE [CA1694] 40-347
FAILURE CODE [CA1695] 40-349
FAILURE CODE [CA1696] 40-350
FAILURE CODE [CA1712] 40-352
FAILURE CODE [CA1713] 40-355
FAILURE CODE [CA1714] 40-357
FAILURE CODE [CA1715] 40-358
FAILURE CODE [CA1776] 40-359
FAILURE CODE [CA1777] 40-362
FAILURE CODE [CA1843] 40-365
FAILURE CODE [CA1844] 40-367
FAILURE CODE [CA1879] 40-370
FAILURE CODE [CA1881] 40-372
FAILURE CODE [CA1883] 40-374
FAILURE CODE [CA1885] 40-377
FAILURE CODE [CA1887] 40-379
FAILURE CODE [CA1921] 40-381
FAILURE CODE [CA1922] 40-384
FAILURE CODE [CA1923] 40-389
FAILURE CODE [CA1924] 40-391
FAILURE CODE [CA1925] 40-393
FAILURE CODE [CA1927] 40-395
FAILURE CODE [CA1928] 40-397
FAILURE CODE [CA1942] 40-399
FAILURE CODE [CA1963] 40-400
FAILURE CODE [CA1977] 40-403
FAILURE CODE [CA1993] 40-406
FAILURE CODE [CA2185] 40-409
FAILURE CODE [CA2186] 40-411
FAILURE CODE [CA2249] 40-413
FAILURE CODE [CA2265] 40-414
FAILURE CODE [CA2266] 40-416
FAILURE CODE [CA2271] 40-418
00 INDEX AND FOREWORD INDEX
PC490LCi-11 00-7
FAILURE CODE [CA2272] 40-420
FAILURE CODE [CA2349] 40-422
FAILURE CODE [CA2353] 40-424
FAILURE CODE [CA2357] 40-426
FAILURE CODE [CA2381] 40-427
FAILURE CODE [CA2382] 40-429
FAILURE CODE [CA2383] 40-431
FAILURE CODE [CA2386] 40-433
FAILURE CODE [CA2387] 40-435
FAILURE CODE [CA2555] 40-436
FAILURE CODE [CA2556] 40-439
FAILURE CODE [CA2637] 40-441
FAILURE CODE [CA2639] 40-443
FAILURE CODE [CA2732] 40-446
FAILURE CODE [CA2733] 40-448
FAILURE CODE [CA2741] 40-450
FAILURE CODE [CA2765] 40-451
FAILURE CODE [CA2771] 40-452
FAILURE CODE [CA2777] 40-458
FAILURE CODE [CA2878] 40-461
FAILURE CODE [CA2881] 40-464
FAILURE CODE [CA2976] 40-467
FAILURE CODE [CA3133] 40-469
FAILURE CODE [CA3134] 40-471
FAILURE CODE [CA3135] 40-473
FAILURE CODE [CA3142] 40-476
FAILURE CODE [CA3143] 40-477
FAILURE CODE [CA3144] 40-478
FAILURE CODE [CA3146] 40-480
FAILURE CODE [CA3147] 40-481
FAILURE CODE [CA3148] 40-482
FAILURE CODE [CA3151] 40-484
FAILURE CODE [CA3165] 40-490
FAILURE CODE [CA3167] 40-492
FAILURE CODE [CA3229] 40-495
FAILURE CODE [CA3231] 40-497
FAILURE CODE [CA3232] 40-499
FAILURE CODE [CA3235] 40-503
FAILURE CODE [CA3239] 40-505
FAILURE CODE [CA3241] 40-508
FAILURE CODE [CA3242] 40-511
FAILURE CODE [CA3251] 40-514
FAILURE CODE [CA3253] 40-516
FAILURE CODE [CA3254] 40-519
FAILURE CODE [CA3255] 40-522
FAILURE CODE [CA3256] 40-526
FAILURE CODE [CA3311] 40-528
FAILURE CODE [CA3312] 40-530
FAILURE CODE [CA3313] 40-533
FAILURE CODE [CA3314] 40-534
FAILURE CODE [CA3315] 40-535
FAILURE CODE [CA3316] 40-538
FAILURE CODE [CA3317] 40-539
FAILURE CODE [CA3318] 40-540
FAILURE CODE [CA3319] 40-542
FAILURE CODE [CA3321] 40-543
FAILURE CODE [CA3322] 40-545
FAILURE CODE [CA3419] 40-548
INDEX 00 INDEX AND FOREWORD
00-8 PC490LCi-11
FAILURE CODE [CA3421] 40-550
FAILURE CODE [CA3497] 40-552
FAILURE CODE [CA3498] 40-553
FAILURE CODE [CA3543] 40-554
FAILURE CODE [CA3545] 40-561
FAILURE CODE [CA3547] 40-563
FAILURE CODE [CA3558] 40-564
FAILURE CODE [CA3559] 40-566
FAILURE CODE [CA3562] 40-568
FAILURE CODE [CA3563] 40-570
FAILURE CODE [CA3567] 40-573
FAILURE CODE [CA3568] 40-576
FAILURE CODE [CA3571] 40-580
FAILURE CODE [CA3572] 40-582
FAILURE CODE [CA3574] 40-584
FAILURE CODE [CA3575] 40-586
FAILURE CODE [CA3577] 40-588
FAILURE CODE [CA3578] 40-590
FAILURE CODE [CA3582] 40-592
FAILURE CODE [CA3583] 40-598
FAILURE CODE [CA3596] 40-600
FAILURE CODE [CA3649] 40-602
FAILURE CODE [CA3681] 40-604
FAILURE CODE [CA3682] 40-609
FAILURE CODE [CA3713] 40-615
FAILURE CODE [CA3717] 40-618
FAILURE CODE [CA3718] 40-619
FAILURE CODE [CA3725] 40-620
FAILURE CODE [CA3748] 40-623
FAILURE CODE [CA3751] 40-625
FAILURE CODE [CA3755] 40-627
FAILURE CODE [CA3866] 40-629
FAILURE CODE [CA3867] 40-633
FAILURE CODE [CA3868] 40-636
FAILURE CODE [CA3899] 40-640
FAILURE CODE [CA3911] 40-642
FAILURE CODE [CA3912] 40-646
FAILURE CODE [CA3932] 40-648
FAILURE CODE [CA3933] 40-650
FAILURE CODE [CA3934] 40-652
FAILURE CODE [CA3935] 40-655
FAILURE CODE [CA3936] 40-657
FAILURE CODE [CA4151] 40-659
FAILURE CODE [CA4152] 40-663
FAILURE CODE [CA4155] 40-667
FAILURE CODE [CA4156] 40-669
FAILURE CODE [CA4157] 40-672
FAILURE CODE [CA4158] 40-674
FAILURE CODE [CA4159] 40-675
FAILURE CODE [CA4161] 40-676
FAILURE CODE [CA4162] 40-679
FAILURE CODE [CA4163] 40-682
FAILURE CODE [CA4164] 40-684
FAILURE CODE [CA4165] 40-686
FAILURE CODE [CA4166] 40-688
FAILURE CODE [CA4168] 40-690
FAILURE CODE [CA4169] 40-693
FAILURE CODE [CA4171] 40-695
00 INDEX AND FOREWORD INDEX
PC490LCi-11 00-9
FAILURE CODE [CA4249] 40-698
FAILURE CODE [CA4251] 40-700
FAILURE CODE [CA4259] 40-702
FAILURE CODE [CA4261] 40-704
FAILURE CODE [CA4277] 40-707
FAILURE CODE [CA4281] 40-711
FAILURE CODE [CA4459] 40-714
FAILURE CODE [CA4461] 40-717
FAILURE CODE [CA4658] 40-720
FAILURE CODE [CA4731] 40-724
FAILURE CODE [CA4732] 40-725
FAILURE CODE [CA4739] 40-726
FAILURE CODE [CA4768] 40-727
FAILURE CODE [CA4769] 40-729
FAILURE CODE [CA4842] 40-732
FAILURE CODE [CA4952] 40-736
FAILURE CODE [CA5115] 40-738
FAILURE CODE [CA5179] 40-741
FAILURE CODE [CA5181] 40-743
FAILURE CODE [CA5383] 40-745
FAILURE CODE [D110KB] 40-747
FAILURE CODE [D19JKZ] 40-749
FAILURE CODE [D811MC] 40-752
FAILURE CODE [D862KA] 40-753
FAILURE CODE [D8ALKA] 40-754
FAILURE CODE [D8ALKB] 40-756
FAILURE CODE [D8AQKR] 40-758
FAILURE CODE [DA20MC] 40-760
FAILURE CODE [DA22KK] 40-761
FAILURE CODE [DA25KP] 40-763
FAILURE CODE [DA29KQ] 40-765
FAILURE CODE [DA2LKA] 40-767
FAILURE CODE [DA2LKB] 40-769
FAILURE CODE [DA2QKR] 40-771
FAILURE CODE [DA2RKR] 40-774
FAILURE CODE [DAF0MB] 40-776
FAILURE CODE [DAF0MC] 40-777
FAILURE CODE [DAF8KB] 40-778
FAILURE CODE [DAF9KQ] 40-780
FAILURE CODE [DAFGMC] 40-781
FAILURE CODE [DAFLKA] 40-782
FAILURE CODE [DAFLKB] 40-784
FAILURE CODE [DAFQKR] 40-786
FAILURE CODE [DAZ9KQ] 40-787
FAILURE CODE [DAZQKR] 40-788
FAILURE CODE [DB2QKR] 40-793
FAILURE CODE [DB2RKR] 40-798
FAILURE CODE [DB90MC] 40-803
FAILURE CODE [DB92KK] 40-804
FAILURE CODE [DB95KP] 40-806
FAILURE CODE [DB96KP] 40-810
FAILURE CODE [DB99KQ] 40-814
FAILURE CODE [DB9LKA] 40-819
FAILURE CODE [DB9LKB] 40-821
FAILURE CODE [DB9QKR] 40-823
FAILURE CODE [DB9RKR] 40-830
FAILURE CODE [DBR0MC] 40-836
FAILURE CODE [DBR2KK] 40-837
INDEX 00 INDEX AND FOREWORD
00-10 PC490LCi-11
FAILURE CODE [DBR5KP] 40-840
FAILURE CODE [DBR6KP] 40-842
FAILURE CODE [DBR9KQ] 40-844
FAILURE CODE [DBRLKA] 40-849
FAILURE CODE [DBRLKB] 40-851
FAILURE CODE [DBRQKR] 40-853
FAILURE CODE [DBRRKR] 40-860
FAILURE CODE [DBRSKB] 40-866
FAILURE CODE [DBRTKB] 40-868
FAILURE CODE [DBUSKR] 40-870
FAILURE CODE [DD20MA] 40-874
FAILURE CODE [DDNRKA] 40-877
FAILURE CODE [DDNRKY] 40-879
FAILURE CODE [DDNS00] 40-881
FAILURE CODE [DGH2KA] 40-883
FAILURE CODE [DGH2KB] 40-885
FAILURE CODE [DHA4KA] 40-887
FAILURE CODE [DHAAMA] 40-889
FAILURE CODE [DHACMA] 40-891
FAILURE CODE [DHPAMA] 40-893
FAILURE CODE [DHPBMA] 40-896
FAILURE CODE [DHS3MA] 40-899
FAILURE CODE [DHS4MA] 40-902
FAILURE CODE [DHS8MA] 40-905
FAILURE CODE [DHS9MA] 40-908
FAILURE CODE [DHSAMA] 40-911
FAILURE CODE [DHSBMA] 40-914
FAILURE CODE [DHSCMA] 40-917
FAILURE CODE [DHSDMA] 40-920
FAILURE CODE [DHSFMA] 40-923
FAILURE CODE [DHSGMA] 40-926
FAILURE CODE [DHSHMA] 40-929
FAILURE CODE [DHSJMA] 40-932
FAILURE CODE [DK80KM] 40-935
FAILURE CODE [DK80KR] 40-936
FAILURE CODE [DK80KT] 40-942
FAILURE CODE [DKG1KM] 40-943
FAILURE CODE [DKG1L8] 40-944
FAILURE CODE [DKR0MA] 40-945
FAILURE CODE [DKR1MA] 40-948
FAILURE CODE [DKT0KM] 40-951
FAILURE CODE [DKT0L8] 40-952
FAILURE CODE [DKT1KA] 40-953
FAILURE CODE [DKT1KB] 40-955
FAILURE CODE [DKT2KA] 40-957
FAILURE CODE [DKT2KB] 40-959
FAILURE CODE [DKT4KM] 40-961
FAILURE CODE [DKT4L8] 40-962
FAILURE CODE [DKT5KA] 40-963
FAILURE CODE [DKT5KB] 40-965
FAILURE CODE [DKT6KA] 40-967
FAILURE CODE [DKT6KB] 40-969
FAILURE CODE [DKT8KA] 40-971
FAILURE CODE [DKT8KB] 40-973
FAILURE CODE [DKT9KA] 40-975
FAILURE CODE [DKT9KB] 40-977
FAILURE CODE [DKTAKA] 40-979
FAILURE CODE [DKTAKB] 40-981
00 INDEX AND FOREWORD INDEX
PC490LCi-11 00-11
FAILURE CODE [DKTAMB] 40-983
FAILURE CODE [DKTBKX] 40-984
FAILURE CODE [DKTBMC] 40-986
FAILURE CODE [DKTEMB] 40-987
FAILURE CODE [DKTFKX] 40-989
FAILURE CODE [DKTFMC] 40-991
FAILURE CODE [DKTJMB] 40-992
FAILURE CODE [DKU1MA] 40-994
FAILURE CODE [DKU2MA] 40-995
FAILURE CODE [DKUGKA] 40-996
FAILURE CODE [DKUGKB] 40-998
FAILURE CODE [DKUGKY] 40-1000
FAILURE CODE [DKUHKA] 40-1002
FAILURE CODE [DKUHKB] 40-1004
FAILURE CODE [DKUHKY] 40-1006
FAILURE CODE [DKULKA] 40-1008
FAILURE CODE [DKULKB] 40-1010
FAILURE CODE [DKULKY] 40-1012
FAILURE CODE [DKV0KA] 40-1014
FAILURE CODE [DKV0KY] 40-1017
FAILURE CODE [DKV1KA] 40-1019
FAILURE CODE [DKV1KY] 40-1021
FAILURE CODE [DKV2KA] 40-1023
FAILURE CODE [DKV2KY] 40-1025
FAILURE CODE [DKV3KA] 40-1027
FAILURE CODE [DKV3KY] 40-1029
FAILURE CODE [DKV4MA] 40-1031
FAILURE CODE [DKV5MA] 40-1034
FAILURE CODE [DKV6MA] 40-1037
FAILURE CODE [DKV7MA] 40-1040
FAILURE CODE [DKV8MA] 40-1043
FAILURE CODE [DKV9MA] 40-1046
FAILURE CODE [DKVAMA] 40-1049
FAILURE CODE [DKVBKA] 40-1052
FAILURE CODE [DKVBKB] 40-1054
FAILURE CODE [DKVBKY] 40-1056
FAILURE CODE [DKVCKA] 40-1058
FAILURE CODE [DKVCKB] 40-1060
FAILURE CODE [DKVCKY] 40-1062
FAILURE CODE [DKVDKA] 40-1064
FAILURE CODE [DKVDKB] 40-1066
FAILURE CODE [DKVDKY] 40-1068
FAILURE CODE [DKVDMA] 40-1070
FAILURE CODE [DLM3KA] 40-1071
FAILURE CODE [DLM3KB] 40-1073
FAILURE CODE [DLM3MB] 40-1075
FAILURE CODE [DR21KX] 40-1076
FAILURE CODE [DR31KX] 40-1078
FAILURE CODE [DV20KB] 40-1080
FAILURE CODE [DW43KA] 40-1082
FAILURE CODE [DW43KB] 40-1084
FAILURE CODE [DW43KY] 40-1086
FAILURE CODE [DW45KA] 40-1088
FAILURE CODE [DW45KB] 40-1091
FAILURE CODE [DW45KY] 40-1094
FAILURE CODE [DW4CKY] 40-1096
FAILURE CODE [DW4FKA] 40-1097
FAILURE CODE [DW4FKB] 40-1100
INDEX 00 INDEX AND FOREWORD
00-12 PC490LCi-11
FAILURE CODE [DW4FKY] 40-1102
FAILURE CODE [DW4GKA] 40-1104
FAILURE CODE [DW4GKB] 40-1107
FAILURE CODE [DW4GKY] 40-1109
FAILURE CODE [DW4SKA] 40-1111
FAILURE CODE [DW4SKB] 40-1113
FAILURE CODE [DW4SKY] 40-1115
FAILURE CODE [DW7BKA] 40-1117
FAILURE CODE [DW7BKB] 40-1119
FAILURE CODE [DW7BKY] 40-1120
FAILURE CODE [DW91KA] 40-1121
FAILURE CODE [DW91KB] 40-1123
FAILURE CODE [DW91KY] 40-1125
FAILURE CODE [DWA2KA] 40-1127
FAILURE CODE [DWA2KB] 40-1129
FAILURE CODE [DWA2KY] 40-1131
FAILURE CODE [DWK0KA] 40-1133
FAILURE CODE [DWK0KB] 40-1135
FAILURE CODE [DWK0KY] 40-1137
FAILURE CODE [DWK2KA] 40-1139
FAILURE CODE [DWK2KB] 40-1141
FAILURE CODE [DWK2KY] 40-1143
FAILURE CODE [DWK8KA] 40-1145
FAILURE CODE [DWK8KB] 40-1147
FAILURE CODE [DWK8KY] 40-1149
FAILURE CODE [DX16KA] 40-1151
FAILURE CODE [DX16KB] 40-1153
FAILURE CODE [DXA8KA] 40-1155
FAILURE CODE [DXA8KB] 40-1157
FAILURE CODE [DXA9KA] 40-1158
FAILURE CODE [DXA9KB] 40-1160
FAILURE CODE [DXE0KA] 40-1162
FAILURE CODE [DXE0KB] 40-1164
FAILURE CODE [DXE4KA] 40-1166
FAILURE CODE [DXE4KB] 40-1168
FAILURE CODE [DXE4KY] 40-1170
FAILURE CODE [DXE5KA] 40-1172
FAILURE CODE [DXE5KB] 40-1174
FAILURE CODE [DXE6KA] 40-1176
FAILURE CODE [DXE6KB] 40-1178
FAILURE CODE [DXE7KA] 40-1180
FAILURE CODE [DXE7KB] 40-1182
FAILURE CODE [DXE7KY] 40-1184
FAILURE CODE [DXE8KA] 40-1186
FAILURE CODE [DXE8KB] 40-1188
FAILURE CODE [DXE8KY] 40-1190
FAILURE CODE [DXE9KA] 40-1192
FAILURE CODE [DXE9KB] 40-1194
FAILURE CODE [DXE9KY] 40-1196
FAILURE CODE [DXEAKA] 40-1198
FAILURE CODE [DXEAKB] 40-1200
FAILURE CODE [DXEAKY] 40-1202
FAILURE CODE [DY20KA] 40-1204
FAILURE CODE [DY20MA] 40-1206
FAILURE CODE [DY2CKB] 40-1208
FAILURE CODE [DY2DKB] 40-1211
FAILURE CODE [DY2EKB] 40-1213
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E-MODE) 40-1215
00 INDEX AND FOREWORD INDEX
PC490LCi-11 00-13
E-1 ENGINE DOES NOT START (ENGINE DOES NOT CRANK) 40-1215
E-2 MANUAL PREHEATING SYSTEM DOES NOT WORK 40-1221
E-3 AUTOMATIC PREHEATING SYSTEM DOES NOT WORK 40-1224
E-4 WHILE PREHEATING IS WORKING, PREHEATING MONITOR DOES NOT LIGHT UP 40-1226
E-5 WHEN STARTING SWITCH IS TURNED TO ON POSITION, MACHINE MONITOR DISPLAYS
NOTHING 40-1228
E-6 WHILE STARTING SWITCH IS TURNED TO ON POSITION (WITH ENGINE STOPPED), ENGINE
OIL LEVEL MONITOR LIGHTS UP IN YELLOW 40-1231
E-7 WHILE STARTING SWITCH IS TURNED TO ON POSITION (WITH ENGINE STOPPED), RADIATOR
COOLANT LEVEL MONITOR LIGHTS UP IN YELLOW 40-1232
E-8 ENGINE COOLANT TEMPERATURE MONITOR LIGHTS UP IN WHITE WHILE ENGINE IS RUNNING
40-1233
E-9 HYDRAULIC OIL TEMPERATURE MONITOR LIGHTS UP IN WHITE WHILE ENGINE IS RUNNING
40-1234
E-10 AIR CLEANER CLOGGING MONITOR LIGHTS UP IN YELLOW WHILE ENGINE IS RUNNING
40-1235
E-11 CHARGE LEVEL MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING 40-1236
E-12 FUEL LEVEL MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING 40-1237
E-13 ENGINE COOLANT TEMPERATURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING
40-1238
E-14 ENGINE OIL PRESSURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING 40-1239
E-15 HYDRAULIC OIL TEMPERATURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING
40-1240
E-16 FUEL GAUGE DISPLAY DOES NOT MOVE FROM MINIMUM OR MAXIMUM 40-1241
E-17 DISPLAY OF FUEL GAUGE DIFFERS FROM ACTUAL FUEL LEVEL 40-1243
E-18 ENGINE COOLANT TEMPERATURE GAUGE DISPLAY DOES NOT MOVE FROM MINIMUM
OR MAXIMUM 40-1244
E-19 DISPLAY OF ENGINE COOLANT TEMPERATURE GAUGE DIFFERS FROM ACTUAL COOLANT
TEMPERATURE 40-1245
E-20 HYDRAULIC OIL TEMPERATURE GAUGE DISPLAY DOES NOT MOVE FROM MINIMUM OR
MAXIMUM 40-1246
E-21 DISPLAY OF HYDRAULIC OIL TEMPERATURE GAUGE DIFFERS FROM ACTUAL OIL TEMPERATURE
40-1248
E-22 SOME AREAS OF MACHINE MONITOR SCREEN ARE NOT DISPLAYED 40-1249
E-23 FUNCTION SWITCH DOES NOT OPERATE 40-1250
E-24 AUTOMATIC WARM-UP SYSTEM DOES NOT WORK (IN COLD WEATHER) 40-1251
E-25 WHEN AUTO-DECELERATOR SWITCH IS OPERATED, AUTO-DECELERATOR MONITOR
DOES NOT LIGHT UP OR DOES NOT GO OFF 40-1252
E-26 AUTO-DECELERATOR IS NOT OPERATED OR CANCELED WITH LEVER 40-1253
E-27 WHEN WORKING MODE SWITCH IS OPERATED, WORKING MODE SELECTION SCREEN IS
NOT DISPLAYED 40-1254
E-28 WHEN WORKING MODE IS CHANGED, SETTING OF ENGINE AND HYDRAULIC PUMP IS
NOT CHANGED 40-1255
E-29 WHEN TRAVEL SPEED SWITCH IS OPERATED, TRAVEL SPEED MONITOR DOES NOT
CHANGE 40-1256
E-30 WHEN TRAVEL SPEED SELECTION IS CHANGED, ACTUAL TRAVEL SPEED DOES NOT
CHANGE 40-1257
E-31 ALARM BUZZER CANNOT BE CANCELED 40-1259
E-32 SERVICE METER IS NOT DISPLAYED, WHILE STARTING SWITCH IS IN OFF POSITION
40-1260
E-33 SERVICE MODE CANNOT BE SELECTED 40-1261
E-34 ALL OF WORK EQUIPMENTS, SWING, AND TRAVEL MECHANISM DO NOT MOVE 40-1262
E-35 ALL OF WORK EQUIPMENT, SWING, AND TRAVEL MECHANISM DO NOT LOCK 40-1264
E-36 WHEN SWING BRAKE CANCEL SWITCH IS SET TO CANCEL POSITION, MACHINE CANNOT
SWING 40-1265
E-37 WHEN SWING BRAKE CANCEL SWITCH IS SET TO NORMAL POSITION, SWING HOLDING
BRAKE DOES NOT OPERATE 40-1268
INDEX 00 INDEX AND FOREWORD
00-14 PC490LCi-11
E-38 ONE-TOUCH POWER MAXIMIZING FUNCTION DOES NOT OPERATE PROPERLY, OR INDICATOR
NOT DISPLAYED ON MONITOR 40-1270
E-39 ONE-TOUCH POWER MAXIMIZING FUNCTION IS NOT CANCELLED 40-1272
E-40 ALARM DOES NOT SOUND DURING TRAVEL 40-1273
E-41 ALARM DOES NOT STOP SOUNDING WHILE MACHINE IS STOPPED 40-1275
E-42 HORN DOES NOT SOUND 40-1276
E-43 HORN DOES NOT STOP SOUNDING 40-1280
E-44 WHEN WIPER SWITCH IS OPERATED, WIPER MONITOR DOES NOT LIGHT UP OR GO OFF
40-1282
E-45 WHEN WIPER SWITCH IS OPERATED, WINDSHIELD WIPER DOES NOT OPERATE 40-1283
E-46 WHEN WINDOW WASHER SWITCH IS OPERATED, WINDOW WASHER DOES NOT OPERATE
40-1285
E-47 BOOM RAISE INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION
40-1286
E-48 BOOM LOWER INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION
40-1287
E-49 ARM OUT INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION
40-1288
E-50 ARM IN INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION 40-1289
E-51 BUCKET DUMP INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION
40-1290
E-52 BUCKET CURL INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION
40-1291
E-53 SWING INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION 40-1292
E-54 TRAVEL INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION40-1293
E-55 SERVICE INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION
40-1294
E-56 ATTACHMENT HYDRAULIC CIRCUIT CANNOT BE CHANGED 40-1296
E-57 KOMTRAX SYSTEM DOES NOT OPERATE NORMALLY 40-1297
E-58 MACHINE PUSH-UP FUNCTION CANNOT BE CANCELED 40-1298
E-59 MACHINE PUSH-UP FUNCTION DOES NOT OPERATE 40-1300
E-60 CONTROL BOX SHUTS DOWN AFTER DISPLAYING THE MESSAGES [GPS receiver not connected
!] AND [Slope sensor not connected !] 40-1301
E-61 CONTROL BOX DISPLAYS THE MESSAGE [GPS receiver not connected!] 40-1306
E-62 CONTROL BOX DISPLAYS THE MESSAGE [Waiting for radio link ] 40-1310
E-63 CONTROL BOX DISPLAYS THE MESSAGE [Tilt Bucket Sensor Offline!] 40-1311
E-64 CONTROL BOX DISPLAYS THE MESSAGE [Waiting for satellites ] 40-1312
E-65 CONTROL BOX DISPLAYS THE MESSAGE [Komatsu controller not connected!] 40-1313
E-66 CONTROL BOX DISPLAYS THE MESSAGE [Sensors are invalid] 40-1317
E-67 CONTROL BOX DISPLAYS THE MESSAGE [Waiting to initialize ] 40-1320
E-68 CONTROL BOX DISPLAYS THE MESSAGE [Initializing ] 40-1321
E-69 CONTROL BOX DISPLAYS THE MESSAGE [No GPS Localization ] 40-1322
E-70 CONTROL BOX DISPLAYS THE MESSAGE [Low precisions ] 40-1323
E-71 CONTROL BOX DISPLAYS [Out of design area ] 40-1324
E-72 CONTROL BOX DISPLAYS THE MESSAGE [Avoidance Area Breach!] 40-1325
E-73 CONTROL BOX CAN NOT BE TURNED ON 40-1326
E-74 CONTROL BOX DOES NOT DISPLAY INTELLIGENT MACHINE CONTROL SCREEN 40-1327
E-75 CONTROL BOX DOES NOT DISPLAY HYDRAULIC EXCAVATOR IMAGE 40-1328
E-76 CONTROL BOX DOES NOT DISPLAY DESIGN SURFACE 40-1329
E-77 CONTROL BOX TOUCH PANEL DOES NOT RESPOND 40-1330
E-78 CONTROL BOX TOUCH PANEL IS INACCURATE 40-1331
E-79 WHEN CHECKING AND ADJUSTING THE BUCKET EDGE POSITION, THE VALUE IS DIFFERENT
FROM ACTUAL MACHINE 40-1332
E-80 SEMI-AUTO MODE IS NOT DISPLAYED WHEN AUTO/MANUAL SWITCH IS PRESSED40-1334
E-81 AUTO GRADE ASSIST CONTROL DOES NOT OPERATE WHILE SEMI-AUTO MODE IS DISPLAYED
40-1335
E-82 AUTO STOP CONTROL DOES NOT OPERATE WHILE SEMI-AUTO MODE IS DISPLAYED
40-1336
00 INDEX AND FOREWORD INDEX
PC490LCi-11 00-15
E-83 BLADE EDGE POSITION ON DESIGN SURFACE IS NOT ACCURATE WHEN AUTO GRADE
ASSIST FUNCTION IS ON 40-1337
E-84 BLADE EDGE STOP POSITION IS NOT ACCURATE FOR DESIGN SURFACE WHEN AUTO
STOP CONTROL FUNCTION IS ON 40-1339
E-85 FACING ANGLE COMPASS DOES NOT BECOME PERPENDICULAR TO TARGET 40-1341
E-86 NG OCCURS VERY OFTEN IN IMU CALIBRATION DIAGNOSIS 40-1342
E-87 CUSHION FOR ARM IN END DOES NOT WORK OR IS WEAK 40-1343
TROUBLESHOOTING FOR HYDRAULIC AND MECHANICAL SYSTEMS (H MODE) 40-1346
INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (H MODE) 40-1346
FAILURE MODE AND CAUSE TABLE 40-1347
H-1 ALL WORK EQUIPMENT, SWING AND TRAVEL DO NOT WORK 40-1355
H-2 ALL WORK EQUIPMENT, SWING AND TRAVEL LACK SPEED AND POWER 40-1356
H-3 FINE CONTROL PERFORMANCE OR RESPONSE IS POOR 40-1358
H-4 UNUSUAL NOISE IS HEARD FROM AROUND HYDRAULIC PUMP 40-1359
H-5 ENGINE SPEED DROPS LARGELY OR ENGINE STOPS 40-1360
H-6 SPEED OR POWER OF BOOM IS LOW 40-1362
H-7 ARM SPEED OR POWER IS LOW 40-1367
H-8 BUCKET SPEED OR POWER IS LOW 40-1371
H-9 WORK EQUIPMENT DOES NOT MOVE IN SINGLE OPERATION 40-1374
H-10 HYDRAULIC DRIFT OF BOOM IS LARGE 40-1376
H-11 HYDRAULIC DRIFT OF ARM IS LARGE 40-1378
H-12 HYDRAULIC DRIFT OF BUCKET IS LARGE 40-1380
H-13 WHEN SINGLE WORK EQUIPMENT IS RELIEVED HYDRAULICALLY, OTHER WORK EQUIPMENT
MOVES 40-1381
H-14 TIME LAG OF WORK EQUIPMENT IS LARGE 40-1382
H-15 ALL WORK EQUIPMENTS DO NOT OPERATE 40-1383
H-16 ONE-TOUCH POWER MAXIMIZING FUNCTION DOES NOT OPERATE 40-1384
H-17 MACHINE PUSH-UP FUNCTION DOES NOT OPERATE 40-1385
H-18 ATTACHMENT CIRCUIT CANNOT BE CHANGED 40-1386
H-19 OIL FLOW IN ATTACHMENT CIRCUIT CANNOT BE CHANGED 40-1387
H-20 IN COMBINED OPERATION OF WORK EQUIPMENT, EQUIPMENT HAVING HEAVIER LOAD
MOVES SLOWER 40-1388
H-21 IN COMBINED OPERATION OF SWING AND TRAVEL, TRAVEL SPEED DROPS LARGELY
40-1389
H-22 IN COMBINED OPERATION OF SWING AND BOOM RAISE, BOOM RISING SPEED IS LOW
40-1390
H-23 MACHINE DOES NOT TRAVEL STRAIGHT 40-1391
H-24 MACHINE IS NOT STEERED WELL OR STEERING POWER IS LOW 40-1393
H-25 TRAVEL SPEED IS LOW 40-1396
H-26 ONE OF TRACKS DOES NOT RUN 40-1398
H-27 TRAVEL SPEED DOES NOT CHANGE, OR TRAVEL SPEED IS TOO SLOW OR FAST 40-1399
H-28 UPPER STRUCTURE DOES NOT SWING BOTH TO THE RIGHT AND LEFT 40-1400
H-29 SWINGS ONLY IN ONE DIRECTION 40-1401
H-30 SWING ACCELERATION OR SWING SPEED IS LOW IN BOTH DIRECTIONS (RIGHT AND
LEFT) 40-1402
H-31 SWING ACCELERATION PERFORMANCE IS POOR OR SWING SPEED IS SLOW IN ONLY
ONE DIRECTION 40-1403
H-32 UPPER STRUCTURE OVERRUNS EXCESSIVELY WHEN IT STOPS SWINGING (BOTH
RIGHT AND LEFT) 40-1404
H-33 UPPER STRUCTURE OVERRUNS EXCESSIVELY WHEN IT STOPS SWINGING (ONLY ONE
DIRECTION EITHER RIGHT OR LEFT) 40-1405
H-34 SHOCK IS LARGE WHEN UPPER STRUCTURE STOPS SWINGING 40-1406
H-35 LARGE UNUSUAL NOISE IS HEARD WHEN UPPER STRUCTURE STOPS SWINGING40-1407
H-36 SWING DRIFT ON A SLOPE IS LARGE (WHILE SWING PARKING BRAKE IS APPLIED)40-1408
H-37 SWING DRIFT ON A SLOPE IS LARGE (WHILE SWING PARKING BRAKE IS RELEASED)
40-1409
H-38 FAN SPEED IS ABNORMAL (TOO HIGH OR LOW, OR STATIONARY) 40-1410
H-39 UNUSUAL NOISE IS HEARD FROM AROUND FAN 40-1411
INDEX 00 INDEX AND FOREWORD
00-16 PC490LCi-11
TROUBLESHOOTING OF ENGINE (S-MODE) 40-1412
INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (S MODE) 40-1412
S-1 ENGINE DOES NOT CRANK WHEN STARTING SWITCH IS TURNED TO START POSITION
40-1413
S-2 ENGINE CRANKS BUT NO EXHAUST GAS COMES OUT 40-1414
S-3 FUEL IS BEING INJECTED BUT ENGINE DOES NOT START (MISFIRING: ENGINE CRANKS
BUT DOES NOT START) 40-1415
S-4 ENGINE STARTABILITY IS POOR 40-1416
S-5 ENGINE DOES NOT PICK UP SMOOTHLY 40-1418
S-6 ENGINE STOPS DURING OPERATION 40-1420
S-7 ENGINE RUNS ROUGH OR IS UNSTABLE 40-1422
S-8 ENGINE LACKS POWER 40-1423
S-9 KDPF GETS CLOGGED IN A SHORT TIME 40-1425
S-10 ENGINE OIL CONSUMPTION IS EXCESSIVE 40-1427
S-11 OIL BECOMES CONTAMINATED QUICKLY 40-1428
S-1 FUEL CONSUMPTION IS EXCESSIVE 40-1429
S-13 OIL IS IN COOLANT (OR COOLANT SPURTS BACK OR COOLANT LEVEL GOES DOWN)
40-1430
S-14 OIL PRESSURE DROPS 40-1431
S-15 FUEL MIXES INTO ENGINE OIL 40-1433
S-16 WATER MIXES INTO ENGINE OIL (MILKY) 40-1434
S-17 COOLANT TEMPERATURE RISES TOO HIGH (OVERHEATING) 40-1435
S-18 UNUSUAL NOISE IS HEARD 40-1436
S-19 VIBRATION IS EXCESSIVE 40-1437
S-2 AIR CANNOT BE BLED FROM FUEL CIRCUIT 40-1438
S-21 ACTIVE REGENERATION IS EXECUTED FREQUENTLY 40-1439
S-22 ACTIVE REGENERATION TAKES TIME 40-1441
S-23 WHITE SMOKE IS EXHAUSTED DURING ACTIVE REGENERATION 40-1443
S-24 AdBlue/DEF CONSUMPTION IS EXCESSIVE 40-1444
S-25 THERE IS UNUSUAL SMELL (IRRITATING ODOR) 40-1446
S-26 FOREIGN MATERIALS ENTER AdBlue/DEF (AdBlue/DEF INCREASES) 40-1447
50 DISASSEMBLY AND ASSEMBLY 50-1
CONTENTS 50-2
ABBREVIATION LIST 50-8
RELATED INFORMATION ON DISASSEMBLY AND ASSEMBLY 50-14
HOW TO READ THIS MANUAL 50-14
COATING MATERIALS LIST 50-16
SPECIAL TOOLS LIST 50-20
SKETCHES OF SPECIAL TOOLS 50-34
ENGINE AND COOLING SYSTEM 50-41
REMOVE AND INSTALL SUPPLY PUMP ASSEMBLY 50-41
REMOVE AND INSTALL INJECTOR ASSEMBLY 50-56
REMOVE AND INSTALL FUEL DOSER ASSEMBLY 50-72
REMOVE AND INSTALL CYLINDER HEAD ASSEMBLY 50-75
REMOVE AND INSTALL EGR VALVE ASSEMBLY 50-98
REMOVE AND INSTALL EGR COOLER ASSEMBLY 50-102
REMOVE AND INSTALL STARTING MOTOR ASSEMBLY 50-111
REMOVE AND INSTALL ALTERNATOR BELT 50-114
REMOVE AND INSTALL RADIATOR ASSEMBLY 50-122
REMOVE AND INSTALL COOLING FAN AND FAN MOTOR ASSEMBLY 50-127
REMOVE AND INSTALL HYDRAULIC OIL COOLER ASSEMBLY 50-136
REMOVE AND INSTALL AFTERCOOLER ASSEMBLY 50-140
REMOVE AND INSTALL ENGINE AND MAIN PUMP ASSEMBLY 50-146
REMOVE AND INSTALL ENGINE FRONT OIL SEAL 50-184
REMOVE AND INSTALL ENGINE REAR OIL SEAL 50-191
REMOVE AND INSTALL ENGINE HOOD ASSEMBLY 50-201
REMOVE AND INSTALL FUEL TANK ASSEMBLY 50-220
REMOVE AND INSTALL AdBlue/DEF TANK ASSEMBLY 50-229
00 INDEX AND FOREWORD INDEX
PC490LCi-11 00-17
REMOVE AND INSTALL AdBlue/DEF TANK SENSOR FLANGE ASSEMBLY 50-240
REMOVE AND INSTALL AdBlue/DEF TANK FILLER PORT FILTER 50-253
REMOVE AND INSTALL KDPF ASSEMBLY 50-258
DISASSEMBLE AND ASSEMBLE OF KDPF ASSEMBLY 50-267
REMOVE AND INSTALL SCR ASSEMBLY 50-280
REMOVE AND INSTALL KDPF, SCR ASSEMBLY 50-287
REMOVE AND INSTALL KDPF, SCR ASSEMBLY BRACKET 50-297
REMOVE AND INSTALL KCCV ASSEMBLY 50-311
REMOVE AND INSTALL AdBlue/DEF MIXING TUBE 50-316
REMOVE AND INSTALL AdBlue/DEF INJECTOR 50-326
REMOVE AND INSTALL AdBlue/DEF PUMP 50-335
REMOVE AND INSTALL AdBlue/DEF HOSE 50-338
REMOVE AND INSTALL AIR CLEANER ASSEMBLY 50-352
REMOVE AND INSTALL AIR CONDITIONER COMPRESSOR ASSEMBLY 50-356
REMOVE AND INSTALL AIR CONDITIONER CONDENSER ASSEMBLY 50-363
POWER TRAIN 50-366
REMOVE AND INSTALL TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY 50-366
DISASSEMBLE AND ASSEMBLE FINAL DRIVE ASSEMBLY 50-368
REMOVE AND INSTALL SWING MOTOR AND SWING MACHINERY ASSEMBLY 50-379
DISASSEMBLE AND ASSEMBLE SWING MACHINERY ASSEMBLY 50-382
REMOVE AND INSTALL SWING CIRCLE ASSEMBLY 50-392
UNDERCARRIAGE AND FRAME 50-394
SEPARATION AND CONNECTION OF TRACK ASSEMBLY 50-394
REMOVE AND INSTALL SPROCKET 50-399
REMOVE AND INSTALL IDLER AND IDLER CUSHION ASSEMBLY 50-401
DISASSEMBLE AND ASSEMBLE IDLER ASSEMBLY 50-404
DISASSEMBLE AND ASSEMBLE OF IDLER CUSHION ASSEMBLY 50-411
DISASSEMBLE AND ASSEMBLE TRACK ROLLER ASSEMBLY 50-417
DISASSEMBLE AND ASSEMBLE CARRIER ROLLER ASSEMBLY 50-423
REMOVE AND INSTALL REVOLVING FRAME ASSEMBLY 50-428
REMOVE AND INSTALL COUNTERWEIGHT ASSEMBLY 50-435
HYDRAULIC SYSTEM 50-438
REMOVE AND INSTALL CENTER SWIVEL JOINT ASSEMBLY 50-438
DISASSEMBLE AND ASSEMBLE CENTER SWIVEL JOINT ASSEMBLY 50-442
REMOVE AND INSTALL HYDRAULIC TANK ASSEMBLY 50-445
REMOVE AND INSTALL MAIN PUMP ASSEMBLY 50-456
REMOVE AND INSTALL JUNCTION BLOCK ASSEMBLY FOR INTELLIGENT MACHINE CONTROL
50-466
REMOVE AND INSTALL PRESSURE SENSOR FOR INTELLIGENT MACHINE CONTROL 50-471
REMOVE AND INSTALL BOOM SPOOL STROKE SENSOR 50-475
REMOVE AND INSTALL ARM SPOOL STROKE SENSOR 50-477
REMOVE AND INSTALL JUNCTION BLOCK BYPASS ADAPTER FOR INTELLIGENT MACHINE
CONTROL 50-479
REMOVE AND INSTALL CONTROL VALVE ASSEMBLY 50-483
DISASSEMBLE AND ASSEMBLE CONTROL VALVE ASSEMBLY 50-493
DISASSEMBLE AND ASSEMBLE WORK EQUIPMENT PPC VALVE ASSEMBLY 50-500
DISASSEMBLE AND ASSEMBLE TRAVEL PPC VALVE ASSEMBLY 50-503
WORK EQUIPMENT 50-506
REMOVE AND INSTALL BUCKET ASSEMBLY 50-506
REMOVE AND INSTALL ARM ASSEMBLY 50-508
REMOVE AND INSTALL WORK EQUIPMENT ASSEMBLY 50-515
DISASSEMBLE AND ASSEMBLE STROKE SENSING BOOM CYLINDER ASSEMBLY 50-525
DISASSEMBLE AND ASSEMBLE STROKE SENSING ARM CYLINDER ASSEMBLY 50-538
DISASSEMBLE AND ASSEMBLE STROKE SENSING BUCKET CYLINDER ASSEMBLY 50-553
CAB AND ITS ATTACHMENTS 50-570
REMOVE AND INSTALL OPERATOR’S CAB ASSEMBLY 50-570
REMOVE AND INSTALL OPERATOR’S CAB GLASS (ADHERED GLASS) 50-588
REMOVE AND INSTALL FRONT WINDOW ASSEMBLY 50-600
INDEX 00 INDEX AND FOREWORD
00-18 PC490LCi-11
REMOVE AND INSTALL FLOOR FRAME ASSEMBLY 50-609
REMOVE AND INSTALL AIR CONDITIONER UNIT ASSEMBLY 50-624
REMOVE AND INSTALL OPERATOR’S SEAT 50-637
REMOVE AND INSTALL SEAT BELT 50-643
REMOVE AND INSTALL FRONT WIPER ASSEMBLY 50-645
ELECTRICAL SYSTEM 50-660
REMOVE AND INSTALL ENGINE CONTROLLER ASSEMBLY 50-660
REMOVE AND INSTALL PUMP CONTROLLER ASSEMBLY 50-663
REMOVE AND INSTALL WORK EQUIPMENT CONTROLLER ASSEMBLY 50-673
REMOVE AND INSTALL MACHINE MONITOR ASSEMBLY 50-677
REMOVE AND INSTALL PUMP SWASH PLATE SENSOR 50-684
REMOVE AND INSTALL MASS AIR FLOW AND TEMPERATURE SENSOR 50-686
REMOVE AND INSTALL KCCV CRANKCASE PRESSURE SENSOR 50-689
REMOVE AND INSTALL SCR TEMPERATURE SENSOR 50-692
REMOVE AND INSTALL KOMTRAX TERMINAL ASSEMBLY 50-696
REMOVE AND INSTALL ICT SENSOR CONTROLLER ASSEMBLY 50-703
REMOVE AND INSTALL JUNCTION HARNESS OF CONTROL BOX 50-708
REMOVE AND INSTALL CONTROL BOX HARNESS 50-712
REMOVE AND INSTALL GNSS RECEIVER 50-715
REMOVE AND INSTALL NETWORK MODEM 50-717
REMOVE AND INSTALL GNSS RECEIVER ANTENNA 50-718
REMOVE AND INSTALL NETWORK MODEM ANTENNA 50-720
REMOVE AND INSTALL GNSS ANTENNA 50-722
REMOVE AND INSTALL IMU SENSOR 50-724
60 MAINTENANCE STANDARD 60-1
CONTENTS 60-2
ABBREVIATION LIST 60-3
ENGINE AND COOLING SYSTEM 60-9
MAINTENANCE STANDARD OF ENGINE MOUNT 60-9
MAINTENANCE STANDARD OF COOLING SYSTEM 60-10
MAINTENANCE STANDARD OF COOLING FAN PUMP 60-11
MAINTENANCE STANDARD OF COOLING FAN MOTOR 60-13
POWER TRAIN 60-14
MAINTENANCE STANDARD OF SWING CIRCLE 60-14
MAINTENANCE STANDARD OF SWING MACHINERY 60-15
MAINTENANCE STANDARD OF FINAL DRIVE 60-17
MAINTENANCE STANDARD OF SPROCKET 60-19
MAINTENANCE STANDARD OF SPROCKET TOOTH PROFILE FULL-SCALE DRAWING 60-20
UNDERCARRIAGE AND FRAME 60-22
MAINTENANCE STANDARD OF TRACK FRAME AND IDLER CUSHION 60-22
MAINTENANCE STANDARD OF IDLER 60-24
MAINTENANCE STANDARD OF TRACK ROLLER 60-26
MAINTENANCE STANDARD OF CARRIER ROLLER 60-28
MAINTENANCE STANDARD OF TRACK SHOE 60-29
MAINTENANCE STANDARD OF TRIPLE SHOE 60-32
HYDRAULIC SYSTEM 60-33
MAINTENANCE STANDARD OF MAIN PUMP 60-33
MAINTENANCE STANDARD OF SWING MOTOR 60-35
MAINTENANCE STANDARD OF TRAVEL MOTOR 60-38
MAINTENANCE STANDARD OF CONTROL VALVE 60-41
MAINTENANCE STANDARD OF WORK EQUIPMENT AND SWING PPC VALVE 60-52
MAINTENANCE STANDARD OF TRAVEL PPC VALVE 60-55
MAINTENANCE STANDARD OF 1ST-LINE ATTACHMENT PPC VALVE (WITH EPC VALVE) 60-58
MAINTENANCE STANDARD OF SOLENOID VALVE 60-61
MAINTENANCE STANDARD OF ATTACHMENT CIRCUIT SELECTOR VALVE 60-62
MAINTENANCE STANDARD OF CENTER SWIVEL JOINT 60-63
WORK EQUIPMENT 60-64
MAINTENANCE STANDARD OF WORK EQUIPMENT LINKAGE 60-64
00 INDEX AND FOREWORD INDEX
PC490LCi-11 00-19
MAINTENANCE STANDARD OF BOOM CYLINDER 60-73
MAINTENANCE STANDARD OF STROKE SENSING BOOM CYLINDER 60-74
MAINTENANCE STANDARD OF STROKE SENSING ARM CYLINDER 60-76
MAINTENANCE STANDARD OF STROKE SENSING BUCKET CYLINDER 60-77
MAINTENANCE STANDARD OF STROKE SENSOR FOR BOOM CYLINDER 60-78
MAINTENANCE STANDARD OF STROKE SENSOR FOR ARM CYLINDER 60-79
MAINTENANCE STANDARD OF STROKE AND RESET SENSOR FOR BUCKET CYLINDER 60-80
80 APPENDIX 80-1
CONTENTS 80-2
ABBREVIATION LIST 80-4
AIR CONDITIONER SYSTEM 80-10
PRECAUTIONS FOR REFRIGERANT 80-10
AIR CONDITIONER COMPONENT 80-11
SPECIFICATIONS OF AIR CONDITIONER 80-13
CONFIGURATION AND FUNCTION OF REFRIGERATION CYCLE 80-14
OUTLINE OF REFRIGERATION CYCLE 80-15
COMPONENT PARTS OF AIR CONDITIONER SYSTEM 80-17
AIR CONDITIONER UNIT 80-17
COMPONENT PARTS OF AIR CONDITIONER UNIT 80-21
AIR CONDITIONER CONTROLLER 80-25
COMPRESSOR 80-26
CONDENSER 80-27
RECEIVER DRIER 80-28
SENSORS FOR AIR CONDITIONER SYSTEM 80-29
EXPLANATION OF PROCEDURE FOR TESTING AND TROUBLESHOOTING OF AIR CONDITIONER
80-31
CIRCUIT DIAGRAM AND ARRANGEMENT OF CONNECTOR PINS FOR AIR CONDITIONER 80-33
AIR CONDITIONER SYSTEM DIAGRAM 80-35
INPUT AND OUTPUT SIGNALS OF AIR CONDITIONER CONTROLLER 80-36
INSTALLATION LOCATIONS OF AIR CONDITIONER PARTS AND ARRANGEMENT OF CONNECTORS
80-38
TESTING AIR LEAKAGE (DUCT) 80-42
METHOD FOR TESTING AIR LEAKAGE (DUCT) 80-42
TESTING AIR CONDITIONER USING SELF-DIAGNOSIS FUNCTION 80-43
HOW TO OPEN THE ELECTRICAL SYSTEM ABNORMALITY RECORD SCREEN IN SERVICE MODE
OF THE MACHINE MONITOR 80-44
TEST VENT (MODE) CHANGEOVER 80-45
METHOD FOR TESTING VENT (MODE) CHANGEOVER 80-45
TESTING FRESH/RECIRC AIR CHANGEOVER 80-46
METHOD FOR TESTING FRESH/RECIRC AIR CHANGEOVER 80-46
TEST SUNLIGHT SENSOR 80-47
METHOD FOR TESTING SUNLIGHT SENSOR 80-47
TEST (DUAL) PRESSURE SWITCH FOR REFRIGERANT 80-48
METHOD FOR TESTING (DUAL) PRESSURE SWITCH FOR REFRIGERANT 80-48
TEST RELAYS 80-49
METHOD FOR TESTING RELAYS 80-49
AIR CONDITIONER TROUBLESHOOTING CHART 1 80-50
AIR CONDITIONER TROUBLESHOOTING CHART 2 80-51
INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE 80-54
FAILURE CODE [879AKA] 80-56
FAILURE CODE [879AKB] 80-57
FAILURE CODE [879BKA] 80-58
FAILURE CODE [879BKB] 80-60
FAILURE CODE [879CKA] 80-62
FAILURE CODE [879CKB] 80-63
FAILURE CODE [879DKZ] 80-64
FAILURE CODE [879EMC] 80-66
FAILURE CODE [879FMC] 80-67
INDEX 00 INDEX AND FOREWORD
00-20 PC490LCi-11
FAILURE CODE [879GKX] 80-68
A-1 TROUBLESHOOTING FOR POWER SUPPLY SYSTEM (AIR CONDITIONER DOES NOT OPERATE)
80-70
A-2 TROUBLESHOOTING FOR COMPRESSOR AND REFRIGERANT SYSTEM (AIR IS NOT COOLED)
80-71
A-3 TROUBLESHOOTING FOR BLOWER MOTOR SYSTEM (NO AIR COMES OUT OR AIR FLOW IS
ABNORMAL) 80-72
A-4 TROUBLESHOOTING FOR FRESH/RECIRC AIR CHANGEOVER 80-73
TROUBLESHOOTING USING GAUGE PRESSURE 80-74
CONNECTION OF SERVICE TOOL 80-77
METHOD FOR CONNECTING SERVICE TOOL 80-77
PRECAUTIONS FOR DISCONNECTING AND CONNECTING HOSES AND TUBES IN AIR CONDITIONER
PIPINGS 80-79
HANDLE COMPRESSOR OIL 80-81
90 CIRCUIT DIAGRAMS 90-1
CONTENTS 90-2
ABBREVIATION LIST 90-3
HYDRAULIC CIRCUIT DIAGRAM 90-9
SYMBOLS USED IN HYDRAULIC CIRCUIT DIAGRAM 90-9
HYDRAULIC CIRCUIT DIAGRAM (1/2) 90-13
HYDRAULIC CIRCUIT DIAGRAM (2/2) 90-15
ELECTRICAL CIRCUIT DIAGRAM 90-17
SYMBOLS USED IN ELECTRICAL CIRCUIT DIAGRAM 90-17
ELECTRICAL CIRCUIT DIAGRAM (1/13) 90-21
ELECTRICAL CIRCUIT DIAGRAM (2/13) 90-23
ELECTRICAL CIRCUIT DIAGRAM (3/13) 90-25
ELECTRICAL CIRCUIT DIAGRAM (4/13) 90-27
ELECTRICAL CIRCUIT DIAGRAM (5/13) 90-29
ELECTRICAL CIRCUIT DIAGRAM (6/13) 90-31
ELECTRICAL CIRCUIT DIAGRAM (7/13) 90-33
ELECTRICAL CIRCUIT DIAGRAM (8/13) 90-35
ELECTRICAL CIRCUIT DIAGRAM (9/13) 90-37
ELECTRICAL CIRCUIT DIAGRAM (10/13) 90-39
ELECTRICAL CIRCUIT DIAGRAM (11/13) 90-41
ELECTRICAL CIRCUIT DIAGRAM (12/13) 90-43
ELECTRICAL CIRCUIT DIAGRAM (13/13) 90-45
INDEX 1

DESCRIPTION:

Komatsu PC490LCi-11 Hydraulic Excavator Shop Manual SEN06592-10 – PDF DOWNLOAD

SERIAL NUMBERS 85113 and up

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

IMAGES PREVIEW OF THE MANUAL: