Komatsu PC360LC-10 Hydraulic Excavator Shop Manual SEN05619-10 PDF

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Komatsu PC360LC-10 Hydraulic Excavator Shop Manual SEN05619-10 –  PDF DOWNLOAD

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Komatsu PC360LC-10 Hydraulic Excavator Shop Manual SEN05619-10 –  PDF DOWNLOAD

Language : English
Pages : 1790
Downloadable : Yes
File Type : PDF

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TABLE OF CONTENTS:

Komatsu PC360LC-10 Hydraulic Excavator Shop Manual SEN05619-10 –  PDF DOWNLOAD

• SERIAL NUMBERS 70001 and up

Cover 1
00 Index and foreword . 3
Index . 4
Foreword, safety and general information 16
Important safety notice . 16
How to read the shop manual . 24
Explanation of terms for maintenance standard . 26
Handling equipment of fuel system devices . 28
Handling of intake system parts . 29
Handling of hydraulic equipment . 30
Method of disconnecting and connecting of push-pull type coupler 32
Handling of electrical equipment 35
How to read electric wire code 43
Precautions when performing operation . 46
Practical use of KOMTRAX 51
Standard tightening torque table 52
List of abbreviation 58
Conversion table 63
01 Specification 69
Table of contents . 70
Specifications 71
Specification drawing . 71
Working range drawings 72
Specifications 73
Weight table 76
Table of fuel, coolant and lubricants . 78
10 Structure and function . 79
Table of contents . 80
Engine and cooling system . 81
Engine related parts 81
KVGT 83
EGR system piping drawing . 90
EGR system circuit diagram 92
EGR valve . 94
EGR cooler 96
KCCV layout drawing . 97
KCCV ventilator . 100
KDPF 102
Cooling system 106
Power train . 108
Power train . 108
Swing circle 109
Swing machinery . 110
Final drive . 112
Undercarriage and frame . 114
Track frame and idler cushion . 114
Hydraulic system 116
Hydraulic component layout 116
Valve control . 118
Hydraulic tank 120
CLSS 122
Main pump . 127
Control valve . 152
Swing motor . 208
Travel motor 219
PPC valve . 234
Solenoid valve 255
Attachment circuit selector valve . 259
Anti-drop valve for boom . 262
Anti-drop valve for arm 266
Center swivel joint . 270
Accumulator . 272
Work equipment 273
Work equipment 273
Cab and its attachments . 276
Cab mount and cab tipping stopper . 276
ROPS cab 277
Electrical system . 278
Electrical control system . 278
Machine monitor system 326
KOMTRAX system 345
Sensor 348
20 Standard value tables 369
Table of contents . 370
Standard service value table 371
Standard value table for engine related parts . 371
Standard value table for machine 373
30 Testing and adjusting 387
Table of contents . 388
Related information on testing and adjusting 389
Tools for testing and adjusting . 389
Sketch of tools for testing and adjusting . 393
Engine and cooling system . 395
Testing engine speed 395
Testing boost pressure 396
Testing exhaust gas color . 399
Testing mass air flow and temperature sensor . 401
Testing and adjusting valve clearance . 403
Testing compression pressure 407
Testing blowby pressure . 415
Testing engine oil pressure . 417
Testing EGR valve and KVGT oil pressures 418
Testing fuel pressure . 419
Testing fuel discharge, return and leakage 426
Bleeding air from fuel system . 433
Testing fuel circuit for leakage 434
Handling cylinder cutout mode operation . 435
Handling no-injection cranking operation 436
Testing and adjusting air conditioner compressor belt tension . 437
Replacing fan belt 438
Replacing alternator belt . 439
Power train . 440
Testing swing circle bearing clearance 440
Undercarriage and frame . 441
Testing and adjusting track tension . 441
Hydraulic system 442
Releasing remaining pressure from hydraulic circuit . 442
Testing and adjusting oil pressure in work equipment, swing, and travel circuits 445
Testing oil pressure of control circuit . 451
Testing and adjusting oil pressure in pump PC control circuit . 453
Testing and adjusting oil pressure in pump LS control circuit . 458
Testing outlet pressure of solenoid valve . 467
Testing PPC valve output pressure . 471
Adjusting play of work equipment and swing PPC valves . 473
Testing pump swash plate sensor . 474
Isolating the parts causing hydraulic drift in work equipment . 475
Testing oil leakage . 477
Bleeding air from hydraulic circuit . 479
Testing and charging accumulator (manufactured by NOK) nitrogen gas pressure for attachment (low pressure side) 482
Testing and charging accumulator nitrogen gas pressure for attachment (high pressure side) . 484
Replacing accumulator bladder on high pressure side for accumulator piping . 486
Cab and its attachments . 492
Testing cab tipping stopper . 492
Adjusting mirrors . 493
Electrical system . 496
Special functions of machine monitor 496
Adjusting rearview camera angle . 563
Handling voltage circuit of engine controller . 565
Handling battery disconnect switch 566
Testing diodes 567
Pm clinic . 568
Pm clinic service . 568
40 Troubleshooting 577
Table of contents . 578
Related information on troubleshooting 585
Troubleshooting points 585
Sequence of events in troubleshooting . 587
Checks before troubleshooting . 589
Inspection procedure before troubleshooting . 591
Preparation work for troubleshooting of electrical system . 610
Classification and procedure for troubleshooting 617
Symptom and troubleshooting numbers . 620
Information in troubleshooting table 623
Troubleshooting method for open circuit in wiring harness of pressure sensor system . 625
Connector list and layout . 627
Connector contact identification 638
T-branch box and T-branch adapter table . 677
Fuse location table . 682
Preparation of dummy temperature sensor (for KDOC and KDPF temperature sensors) . 684
Preparation of short circuit electrical connector (for failure codes [CA1883] and [CA3135]) . 685
Precautions for KDPF (KCSF and KDOC) Cleaning and Replacement . 686
Failure codes table . 689
Troubleshooting by failure code (Display of code) . 698
Failure code [879AKA] A/C Inner Sensor Open Circuit . 698
Failure code [879AKB] A/C Inner Sensor Short Circuit 699
Failure code [879BKA] A/C Outer Sensor Open Circuit . 700
Failure code [879BKB] A/C Outer Sensor Short Circuit 701
Failure code [879CKA] Ventilating Sensor Open Circuit . 702
Failure code [879CKB] Ventilating Sensor Short Circuit 703
Failure code [879DKZ] Sunlight Sensor Open Or Short Circuit . 704
Failure code [879EMC] Ventilation Damper Abnormality 705
Failure code [879FMC] Air Mix Damper Abnormality 706
Failure code [879GKX] Refrigerant Abnormality . 707
Failure code [989L00] Engine Controller Lock Caution 1 708
Failure code [989M00] Engine Controller Lock Caution 2 709
Failure code [989N00] Engine Controller Lock Caution 3 710
Failure code [A1U0N3] HC Desorb Request 1 . 711
Failure code [A1U0N4] HC Desorb Request 2 . 713
Failure code [AA10NX] Air Cleaner Clogging 715
Failure code [AB00KE] Charge Voltage Low 717
Failure code [B@BAZG] Eng Oil Press Low . 719
Failure code [B@BAZK] Eng Oil Level Low . 720
Failure code [B@BCNS] Eng Water Overheat 721
Failure code [B@BCZK] Eng Water Level Low . 722
Failure code [B@HANS] Hyd Oil Overheat 724
Failure code [CA115] Eng Ne and Bkup Speed Sens Error . 725
Failure code [CA122] Chg Air Press Sensor High Error 726
Failure code [CA123] Chg Air Press Sensor Low Error . 728
Failure code [CA131] Throttle Sensor High Error . 730
Failure code [CA132] Throttle Sensor Low Error 732
Failure code [CA144] Coolant Temp Sens High Error . 734
Failure code [CA145] Coolant Temp Sens Low Error 736
Failure code [CA153] Chg Air Temp Sensor High Error . 738
Failure code [CA154] Chg Air Temp Sensor Low Error 740
Failure code [CA187] Sensor 2 Supply Volt Low Error . 742
Failure code [CA221] Ambient Press Sensor High Error 744
Failure code [CA222] Ambient Press Sensor Low Error . 746
Failure code [CA227] Sensor 2 Supply Volt High Error 748
Failure code [CA234] Eng Overspeed 749
Failure code [CA238] Ne Speed Sensor Supply Volt Error 750
Failure code [CA239] Ne Speed Sens Supply Volt High Error . 751
Failure code [CA271] IMV/PCV1 Short Error . 752
Failure code [CA272] IMV/PCV1 Open Error 754
Failure code [CA281] Pump Press Balance Error . 756
Failure code [CA295] Ambient Pressure Sensor In Range Error . 757
Failure code [CA322] Inj #1(L#1) Open/Short Error . 758
Failure code [CA323] Inj #5(L#5) Open/Short Error . 760
Failure code [CA324] Inj #3(L#3) Open/Short Error . 762
Failure code [CA325] Inj #6(L#6) Open/Short Error . 764
Failure code [CA331] Inj #2(L#2) Open/Short Error . 766
Failure code [CA332] Inj #4(L#4) Open/Short Error . 768
Failure code [CA343] ECM Critical Internal Failure 770
Failure code [CA351] Injectors Drive Circuit Error 771
Failure code [CA352] Sensor 1 Supply Volt Low Error . 772
Failure code [CA356] Mass Air Flow Sensor High Error 774
Failure code [CA357] Mass Air Flow Sensor Low Error . 776
Failure code [CA386] Sensor 1 Supply Volt High Error 778
Failure code [CA428] Water in Fuel Sensor High Error 779
Failure code [CA429] Water in Fuel Sensor Low Error . 781
Failure code [CA435] Eng Oil Press Sw Error . 783
Failure code [CA441] Battery Voltage Low Error 784
Failure code [CA442] Battery Voltage High Error . 786
Failure code [CA449] Rail Press Very High Error . 787
Failure code [CA451] Rail Press Sensor High Error . 789
Failure code [CA452] Rail Press Sensor Low Error 791
Failure code [CA488] Chg Air Temp High Torque Derate 793
Failure code [CA515] Rail Press Sens Sup Volt High Error 794
Failure code [CA516] Rail Press Sens Sup Volt Low Error . 796
Failure code [CA553] Rail Press High Error 798
Failure code [CA555] Crankcase Press High Error 2 . 799
Failure code [CA556] Crankcase Press High Error 2 . 800
Failure code [CA559] Rail Pump Press Low Error 801
Failure code [CA595] Turbo Speed High Error 2 . 805
Failure code [CA687] Turbo Speed Low Error 806
Failure code [CA689] Eng Ne Speed Sensor Error 808
Failure code [CA691] Intake Air Temp Sens High Error 812
Failure code [CA692] Intake Air Temp Sens Low Error . 814
Failure code [CA697] ECM Internal Temp Sensor High Error 816
Failure code [CA698] ECM Int Temp Sensor Low Error 817
Failure code [CA731] Eng Bkup Speed Sens Phase Error 818
Failure code [CA778] Eng Bkup Speed Sensor Error 820
Failure code [CA1117] Persistent Data Lost Error 825
Failure code [CA1664] KDOC Malfunction 826
Failure code [CA1691] Regeneration Ineffective 828
Failure code [CA1695] Sens 5 Supply Volt High Error . 831
Failure code [CA1696] Sens 5 Supply Volt Low Error 832
Failure code [CA1843] Crankcase Press Sens High Error . 834
Failure code [CA1844] Crankcase Press Sens Low Error 836
Failure code [CA1879] KDPF Delta P Sensor High Error 838
Failure code [CA1881] KDPF Delta P Sensor Low Error . 840
Failure code [CA1883] KDPF Delta P Sens In Range Error 842
Failure code [CA1921] KDPF Soot Load High Error 1 . 845
Failure code [CA1922] KDPF Soot Load High Error 2 . 848
Failure code [CA1942] Crankcase Press Sens In Range Error . 853
Failure code [CA1993] KDPF Delta Pressure Low Error . 854
Failure code [CA2185] Throt Sens Sup Volt High Error 857
Failure code [CA2186] Throt Sens Sup Volt Low Error . 859
Failure code [CA2249] Rail Press Very Low Error . 861
Failure code [CA2265] Fuel Feed Pump Open Error . 862
Failure code [CA2266] Fuel Feed Pump Short Error 864
Failure code [CA2271] EGR Valve Pos Sens High Error . 866
Failure code [CA2272] EGR Valve Pos Sens Low Error 868
Failure code [CA2288] Turbo Speed High Error 1 871
Failure code [CA2311] IMV Solenoid Error 872
Failure code [CA2349] EGR Valve Solenoid Open Error . 873
Failure code [CA2353] EGR Valve Solenoid Short Error 875
Failure code [CA2357] EGR Valve Servo Error . 877
Failure code [CA2373] Exhaust Manifold Press Sens High error 878
Failure code [CA2374] Exhaust Manifold Press Sens Low error . 880
Failure code [CA2375] EGR Orifice Temp Sens High Error 882
Failure code [CA2376] EGR Orifice Temp Sens Low Error . 884
Failure code [CA2381] KVGT Pos Sens High Error 886
Failure code [CA2382] KVGT Pos Sens Low Error . 888
Failure code [CA2383] KVGT Solenoid Open Error 891
Failure code [CA2386] KVGT Solenoid Short Error . 893
Failure code [CA2387] KVGT Servo Error 895
Failure code [CA2554] Exh Manifold Press Sens In Range Error 898
Failure code [CA2555] Grid Htr Relay Open Circuit Error . 899
Failure code [CA2556] Grid Htr Relay Short Circuit Error 901
Failure code [CA2637] KDOC Face Plugging 903
Failure code [CA2639] Manual Stationary Regeneration Request 905
Failure code [CA2961] EGR Orifice Temp High Error 1 . 908
Failure code [CA2973] Chg Air Press Sensor In Range Error . 909
Failure code [CA3133] KDPF Outlet Press Sens High Error . 910
Failure code [CA3134] KDPF Outlet Press Sens Low Error 912
Failure code [CA3135] KDPF Outlet Press Sens In Range Error . 914
Failure code [CA3251] KDOC Inlet Temp High Error 918
Failure code [CA3253] KDOC Temp Error – Non Regeneration 921
Failure code [CA3254] KDOC Outlet Temp High Error 1 . 924
Failure code [CA3255] KDPF Temp Error – Non Regeneration 927
Failure code [CA3256] KDPF Outlet Temp High Error 1 . 930
Failure code [CA3311] KDOC Outlet Temp High Error 2 . 933
Failure code [CA3312] KDPF Outlet Temp High Error 2 . 936
Failure code [CA3313] KDOC Inlet Temp Sensor Low Error 939
Failure code [CA3314] KDOC Inlet Temp Sens High Error . 942
Failure code [CA3315] KDOC Inlet Temp Sens In Range Error . 946
Failure code [CA3316] KDOC Outlet Temp Sens Low Error . 950
Failure code [CA3317] KDOC Outlet Temp Sens High Error 953
Failure code [CA3318] KDOC Outlet Temp Sens In Range Error 957
Failure code [CA3319] KDPF Outlet Temp Sens High Error 961
Failure code [CA3321] KDPF Outlet Temp Sens Low Error . 965
Failure code [CA3322] KDPF Outlet Temp Sens In Range Error 968
Failure code [CA3419] Mass Air Flow Sensor Sup Volt High Error 972
Failure code [CA3421] Mass Air Flow Sensor Sup Volt Low Error . 974
Failure code [CA3741] Rail Press Valve Trip Error . 976
Failure code [D110KB] Battery Relay Drive S/C . 977
Failure code [D19JKZ] Personal Code Relay Abnormality . 979
Failure code [D811MC] KOMTRAX Error . 982
Failure code [D862KA] GPS Antenna Open Circuit 983
Failure code [D8ALKA] System Operating Lamp Disconnection (KOMTRAX) . 984
Failure code [D8ALKB] System Operating Lamp Short Circuit (KOMTRAX) . 986
Failure code [D8AQKR] CAN2 Discon (KOMTRAX) . 987
Failure code [DA20MC] Pump Controller Malfunction . 988
Failure code [DA22KK] Pump Solenoid Power Low Error . 989
Failure code [DA25KP] 5V Sensor1 Power Abnormality 991
Failure code [DA29KQ] Model Selection Abnormality . 994
Failure code [DA2LKA] System Operating Lamp Disconnection (Pump Con) 996
Failure code [DA2LKB] System Operating Lamp Short Circuit (Pump Con) 998
Failure code [DA2QKR] CAN2 Discon ( Pump Con) . 999
Failure code [DA2RKR] CAN1 Discon ( Pump Con) .1002
Failure code [DAF0MB] Monitor ROM Abnormality .1003
Failure code [DAF0MC] Monitor Error .1004
Failure code [DAF8KB] Camera Power Supply Short Circuit .1005
Failure code [DAF9KQ] Model Selection Abnormality .1007
Failure code [DAFGMC] GPS Module Error 1008
Failure code [DAFLKA] Operating Lamp Open Circuit(Monitor) 1009
Failure code [DAFLKB] System Operating Lamp Short Circuit (Monitor) .1011
Failure code [DAFQKR] CAN2 Discon (Monitor) .1012
Failure code [DAZ9KQ] AC Model Selection Abnormality 1013
Failure code [DAZQKR] CAN2 Discon (AC) 1014
Failure code [DB2QKR] CAN2 Discon (Engine Con) 1019
Failure code [DB2RKR] CAN1 Discon (Engine Con) 1024
Failure code [DGH2KB] Hyd Oil Sensor Short Circuit 1029
Failure code [DHA4KA] Air Cleaner Clogging Sensor Open Circuit 1031
Failure code [DHPAMA] Pump Press Sensor Abnormality .1033
Failure code [DHPBMA] R Pump Press Sensor Abnormality .1036
Failure code [DHS3MA] Arm IN PPC Sen. Abnormality .1039
Failure code [DHS4MA] Bucket CURL PPC Press Sensor Abnormality 1041
Failure code [DHS8MA] Boom RAISE PPC Press Sensor Abnormality .1044
Failure code [DHS9MA] Boom LOWER Press Sensor Abnormality .1047
Failure code [DHSAMA] Swing RH PPC Press Sensor Abnomality 1050
Failure code [DHSBMA] Swing LH PPC Press Sensor Abnomality 1053
Failure code [DHSCMA] Arm OUT PPC Press Sensor Abnormality 1056
Failure code [DHSDMA] Bucket Dump PPC Press Sensor Abnormality 1059
Failure code [DHSFMA] Travel FW L PPC Press Sensor Abnormality 1062
Failure code [DHSGMA] Travel FW R PPC Press Sensor Abnormality 1065
Failure code [DHSHMA] Travel BW L PPC Press Sensor Abnormality 1068
Failure code [DHSJMA] Travel BW R PPC Press Sensor Abnormality 1071
Failure code [DKR0MA] F pump S/P sensor Abnormality .1074
Failure code [DKR1MA] R pump S/P sensor Abnormality .1076
Failure code [DR21KX] Camera 2 Picture Rev. Drive Abnormality .1078
Failure code [DR31KX] Camera 3 Picture Rev. Drive Abnormality .1080
Failure code [DV20KB] Travel Alarm Short Circuit 1082
Failure code [DW43KA] Travel Speed Sol Open Circuit .1084
Failure code [DW43KB] Travel Speed Sol Short Circuit 1086
Failure code [DW45KA] swing holding brake Sol Open Circuit 1088
Failure code [DW45KB] Swing Brake Sol Short Circuit .1091
Failure code [DW91KA] Travel Junction Sol Open Circuit 1094
Failure code [DW91KB] Travel Junction Sol Short Circuit .1096
Failure code [DWA2KA] Attachment Sol Open Circuit .1098
Failure code [DWA2KB] Attachment Sol Short Circuit 1100
Failure code [DWK0KA] 2-stage Relief Sol Open Circuit .1102
Failure code [DWK0KB] 2-stage Relief Sol Short Circuit 1104
Failure code [DWK2KA] Variable Back Pressure Sol Open Circuit .1106
Failure code [DWK2KB] Variable Back Pressure Sol Short Circuit 1108
Failure code [DWK8KA] Swing C/O Solenoid Open Circuit .1110
Failure code [DWK8KB] Swing C/O Solenoid Short Circuit 1112
Failure code [DXA8KA] PC-EPC (F) Sol Open Circuit .1114
Failure code [DXA8KB] PC-EPC (F) Sol Short Circuit 1116
Failure code [DXA9KA] PC-EPC (R) Sol Open Circuit .1118
Failure code [DXA9KB] PC-EPC (R) Sol Short Circuit 1120
Failure code [DXE0KA] LS-EPC Sol Open Circuit .1122
Failure code [DXE0KB] LS-EPC Sol Short Circuit 1124
Failure code [DXE4KA] Service Current EPC Disc. .1126
Failure code [DXE4KB] Service Current EPC S/C .1127
Failure code [DXE5KA] Merge-divider Main Sol Open Circuit .1128
Failure code [DXE5KB] Merge-divider Main Sol Short Circuit 1130
Failure code [DXE6KA] Merge-divider LS Sol Open Circuit .1132
Failure code [DXE6KB] Merge-divider LS Sol Short Circuit 1134
Failure code [DY20KA] Wiper Working Abnormality .1136
Failure code [DY20MA] Wiper Parking Abnormality .1138
Failure code [DY2CKB] Washer Drive Short Circuit 1140
Failure code [DY2DKB] Wiper Drive (For) Short .1142
Failure code [DY2EKB] Wiper Drive (Rev) Short .1144
Troubleshooting of electrical system (E-mode) .1146
E-1 Engine does not start (Engine does not crank) .1146
E-2 Manual preheating does not work .1152
E-3 Automatic preheating system does not work .1155
E-4 While preheating is working, preheating monitor does not light up .1157
E-5 When starting switch is turned to ON position, machine monitor displays nothing .1159
E-6 While starting switch is turned to ON position (with engine stopped), engine oil level monitor lights up in yellow 1162
E-7 While starting switch is turned to ON position (with engine stopped), radiator coolant level monitor lights up in yellow 1163
E-8 Engine coolant temperature monitor lights up in white while engine is running .1164
E-9 Hydraulic oil temperature monitor lights up in white while engine is running 1165
E-10 Charge level monitor lights up in red while engine is running 1166
E-11 Fuel level monitor lights up in red while engine is running 1167
E-12 Air cleaner clogging monitor lights up in yellow while engine is running .1168
E-13 Engine coolant temperature monitor lights up in red while engine is running 1169
E-14 Hydraulic oil temperature monitor lights up in red while engine is running .1170
E-15 Engine oil pressure monitor lights up in red while engine is running .1171
E-16 Fuel gauge display does not move from minimum or maximum .1172
E-17 Display of fuel gauge differs from actual fuel level .1173
E-18 Engine coolant temperature gauge display does not move from minimum or maximum .1174
E-19 Display of engine coolant temperature gauge differs from actual coolant temperature 1175
E-20 Hydraulic oil temperature gauge display does not move from minimum or maximum 1176
E-21 Display of hydraulic oil temperature gauge differs from actual oil temperature .1178
E-22 Machine monitor does not display partially .1179
E-23 Function switch does not operate .1180
E-24 Automatic warm-up system does not work (in cold weather) .1181
E-25 When auto-decelerator switch is operated, auto-decelerator monitor does not light up or does not go off 1182
E-26 Auto-decelerator is not operated or canceled with lever 1183
E-27 When working mode switch is operated, working mode selection screen is not displayed .1184
E-28 When working mode is changed, setting of engine and hydraulic pump is not changed 1185
E-29 When travel speed switch is operated, travel speed monitor does not change .1186
E-30 When travel speed selection is changed, actual travel speed does not change 1187
E-31 Alarm buzzer cannot be canceled 1188
E-32 When starting switch is turned OFF, service meter is not displayed .1189
E-33 Machine monitor cannot be set in service mode 1190
E-34 Any of work equipment, swing and travel does not work 1191
E-35 Any of work equipment, swing and travel cannot be locked .1193
E-36 Upper structure does not swing while swing brake cancel switch is set to CANCEL position .1195
E-37 Swing brake does not operate while swing brake cancel switch is set to NORMAL position .1197
E-38 One-touch power maximizing function does not work properly or pilot monitor is not displayed .1199
E-39 One-touch power maximizing function cannot be canceled .1201
E-40 Alarm does not sound during travel .1202
E-41 Alarm does not stop sounding while machine is stopped 1204
E-42 Horn does not sound 1205
E-43 Horn does not stop sounding 1207
E-44 When wiper switch is operated, wiper monitor does not light up or go off .1208
E-45 Wiper does not operate when wiper switch is operated .1209
E-46 When window washer switch is operated, window washer does not operate 1211
E-47 Boom LOWER indicator is not displayed properly with monitoring function 1212
E-48 Arm OUT indicator is not displayed properly with monitoring function .1213
E-49 Arm IN indicator is not displayed properly with monitoring function 1214
E-50 Boom RAISE indicator is not displayed properly with monitoring function 1215
E-51 Bucket CURL indicator is not displayed properly with monitoring function .1216
E-52 Bucket DUMP indicator is not displayed properly with monitoring function .1217
E-53 Swing indication is not displayed properly with monitoring function 1218
E-54 Travel indication is not displayed properly with monitoring function .1219
E-55 Service indication is not displayed properly with monitoring function 1220
E-56 Attachment circuit is not switched .1222
E-57 KOMTRAX system does not operate properly .1223
E-58 Machine push-up function is not canceled .1224
E-59 Machine push-up function does not work .1226
Troubleshooting of hydraulic and mechanical system (H-mode) .1227
Information described in troubleshooting table (H-mode) .1227
List of Failure Mode and Cause 1228
H-1 All of work equipment, swing and travel operation lacks speed or power 1233
H-2 Engine speed lowers significantly or engine stalls 1237
H-3 Any of work equipment, swing and travel does not work .1240
H-4 Unusual sound is heard from around hydraulic pump .1241
H-5 Fine control performance or response is poor　 .1242
H-6 Speed or power of boom is low .1244
H-7 Speed or power of arm is low 1248
H-8 Speed or power of bucket is low .1253
H-9 Work equipment does not move in single operation 1257
H-10 Hydraulic drift of boom is large .1258
H-11 Hydraulic drift of arm is large 1259
H-12 Hydraulic drift of bucket is large .1261
H-13 Time lag of work equipment is large 1262
H-14 When part of work equipment is relieved singly, other parts of work equipment move .1264
H-15 One-touch power maximizing function does not work 1265
H-16 Machine push up function does not work .1266
H-17 In combined operation of work equipment, equipment having heavier load moves slower 1267
H-18 In combined operations of swing and boom RAISE, boom rising speed is low .1268
H-19 In combined operations of swing and travel, travel speed drops largely .1269
H-20 Machine does not travel straight .1270
H-21 Travel speed is too low 1273
H-22 Machine is hard to steer or travel power is low 1275
H-23 Travel speed does not change, or travel speed is too low or high .1278
H-24 One of tracks does not run .1279
H-25 Upper structure does not swing in both right and left directions .1281
H-26 Upper structure does not swing in only one direction. 1282
H-27 Swing acceleration or swing speed is low in both directions (right and left) .1283
H-28 Swing acceleration performance is poor or swing speed is slow in only one direction 1284
H-29 Upper structure overruns remarkably when it stops swinging in both directions (right and left) .1285
H-30 Upper structure overruns excessively when it stops swinging in only one direction 1286
H-31 Shock is large when upper structure stops swinging .1287
H-32 Large unusual noise is heard when upper structure stops swinging .1288
H-33 When swing holding brake is applied, hydraulic drift of swing is large .1289
H-34 When swing holding brake is released, hydraulic drift of swing is large 1290
H-35 When additional attachment is installed, attachment circuit is not switched 1291
H-36 Oil flow in attachment circuit cannot be controlled 1292
Troubleshooting of engine (S-mode) 1293
Information contained in troubleshooting table (S mode) .1293
S-1 Engine does not crank when starting switch is turned to START position 1294
S-2 The engine cranks but exhaust smoke does not come out .1295
S-3 Fuel is being injected but engine does not start (incomplete combustion: engine cranks but does not start) 1296
S-4 Startability is poor 1297
S-5 Engine does not pick up smoothly 1299
S-6 Engine stops during operation .1301
S-7 Engine runs rough or is unstable 1303
S-8 Engine lacks power 1304
S-9 KDPF gets clogged in a short time .1306
S-10 Engine oil consumption is excessive 1308
S-11 Engine oil becomes contaminated early 1309
S-12 Fuel consumption is excessive 1310
S-13 Oil is in coolant (or coolant spurts or coolant level goes down) .1311
S-14 Oil pressure drops .1312
S-15 Fuel mixes into engine oil .1313
S-16 Water mixes into engine oil (milky) 1314
S-17 Coolant temperature rises too high (overheating) .1315
S-18 Unusual noise is heard .1316
S-19 Vibration is excessive .1317
S-20 Air cannot be bled from fuel circuit .1318
S-21 Frequent active regeneration .1319
S-22 Active regeneration takes time .1320
S-23 White smoke is exhausted during active regeneration 1321
50 Disassembly and assembly .1323
Table of contents .1324
Related information on disassembly and assembly .1326
How to read this manual .1326
Coating materials list 1328
Special tools list 1332
Sketches of special tools .1337
Engine and cooling system .1340
Removal and installation of supply pump assembly 1340
Removal and installation of injector assembly .1350
Removal and installation of cylinder head assembly 1366
Removal and installation of radiator assembly .1388
Removal and installation of hydraulic oil cooler assembly .1391
Removal and installation of aftercooler assembly 1394
Removal and installation of engine and main pump assembly .1395
Removal and installation of engine front seal .1407
Removal and installation of engine rear seal 1412
Removal and installation of fuel tank assembly 1419
Removal and installation of engine hood assembly 1421
Removal and installation of KDPF assembly .1424
Disassembly and assembly of KDPF 1431
Removal and installation of KCCV assembly .1440
Removal and installation of air cleaner assembly 1442
Removal and installation of air conditioner compressor assembly .1444
Removal and installation of air conditioner condenser assembly 1446
Power train system 1448
Removal and installation of travel motor and final drive assembly .1448
Disassembly and assembly of final drive .1449
Removal and installation of swing motor and swing machinery assembly 1458
Disassembly and assembly of swing machinery .1460
Removal and installation of swing circle assembly .1467
Undercarriage and frame .1468
Separation and connection of track shoe assembly 1468
Removal and installation of sprocket 1471
Removal and installation of idler and idler cushion assembly 1472
Disassembly and assembly of idler .1473
Disassembly and assembly of idler cushion .1476
Disassembly and assembly of track roller 1478
Disassembly and assembly of carrier roller 1480
Removal and installation of revolving frame assembly 1483
Removal and installation of counterweight assembly 1485
Hydraulic system 1489
Removal and installation of center swivel joint assembly 1489
Disassembly and assembly of center swivel joint .1491
Removal and installation of hydraulic tank assembly .1492
Removal and installation of main pump assembly 1495
Removal and installation of control valve assembly 1499
Disassembly and assembly of control valve .1505
Disassembly and assembly of work equipment PPC valve 1510
Disassembly and assembly of travel PPC valve 1512
Work equipment 1514
Removal and installation of bucket assembly .1514
Removal and installation of arm assembly 1515
Removal and installation of work equipment assembly .1517
Disassembly and assembly of work equipment cylinder .1520
Removal and installation ofanti-drop valve assembly forboom 1526
Removal and installation ofanti-drop valve assembly for arm .1529
Disassembly and assembly ofanti-drop valve assembly 1532
Cab and its attachments .1534
Removal and installation of operator’s cab assembly .1534
Removal and installation of operator cab glass (adhered glass) 1539
Removal and installation of front window assembly .1549
Removal and installation of floor frame assembly 1555
Removal and installation of air conditioner unit assembly .1561
Removal and installation of operator’s seat .1565
Removal and installation of seat belt .1567
Removal and installation of work equipment control leverassembly .1569
Removal and installation of front wiper assembly 1583
Electrical system .1590
Removal and installation of engine controller assembly 1590
Removal and installation of pump controller assembly 1593
Removal and installation of machine monitor assembly 1596
Removal and installation of pump swash plate sensor .1598
Removal and installation of mass air flow and temperature sensor 1599
Removal and installation of KOMTRAX terminal assembly .1600
60 Maintenance standard .1603
Table of contents .1604
Engine and cooling system .1605
Engine mount 1605
Cooling system 1606
Power train system 1607
Swing circle 1607
Swing machinery .1608
Final drive .1610
Undercarriage and frame .1612
Sprocket 1612
Track frame and idler cushion .1614
Idler .1616
Track roller 1618
Carrier roller 1620
Track shoe 1621
Hydraulic system 1624
Hydraulic tank 1624
Main pump .1625
Control valve .1626
Swing motor .1636
Travel motor 1638
PPC valve .1641
Solenoid valve 1650
Attachment circuit selector valve .1651
Anti-drop valve for boom .1652
Anti-drop valve for arm 1654
Center swivel joint .1656
Work equipment 1657
Work equipment 1657
Work equipment cylinder .1668
80 Appendix .1671
Table of contents .1672
Air conditioner components 1673
Precautions for refrigerant .1673
Air conditioner component .1674
Configuration and function of refrigeration cycle .1677
Outline of refrigeration cycle 1678
Air conditioner unit 1680
Dual pressure switch 1687
Air conditioner controller 1688
Compressor 1689
Condenser .1690
Receiver drier 1691
Sunlight sensor .1692
Outer temperature sensor (outside air temperature sensor) .1693
Procedure for testing and troubleshooting .1694
Circuit diagram and arrangement of connector pins .1696
System diagram 1698
Input and output signals of the air conditioner controller 1699
Parts and connectors layout .1701
Layout of air conditioner related parts and connectors 1702
Testing air leakage (duct) 1705
Testing with self-diagnosis function 1708
How to open the electrical system abnormality record screen in service mode of the machine monitor 1709
Testing vent (mode) changeover 1711
Testing FRESH/RECIRC air changeover .1713
Testing sunlight sensor .1714
Testing (dual) pressure switch for refrigerant 1715
Testing relays 1717
Troubleshooting chart 1 .1718
Troubleshooting chart 2 .1719
Information in troubleshooting table 1722
Failure code list related to air conditioner 1723
Failure code [879AKA] A/C Inner sensor Open Circuit .1724
Failure code [879AKB] A/C Inner sensor Short Circuit 1725
Failure code [879BKA] A/C Outer sensor Open Circuit .1726
Failure code [879BKB] A/C Outer sensor Short Circuit 1728
Failure code [879CKA] Ventilating sensor Open Circuit .1730
Failure code [879CKB] Ventilating sensor Short Circuit 1731
Failure code [879DKZ] Sunlight sensor Open or Short Circuit .1732
Failure code [879EMC] Ventilating Damper Abnormality 1734
Failure code [879FMC] Air Mix Damper Abnormality 1735
Failure code [879GKX] Refrigerant Abnormality .1736
A-1 Troubleshooting for power supply system (Air conditioner does not operate) 1737
A-2 Troubleshooting for compressor and refrigerant system (Air is not cooled) .1739
A-3 Troubleshooting for blower motor system (No air comes out or air flow is abnormal) 1742
A-4 Troubleshooting for FRESH/RECIRC air changeover .1744
Troubleshooting with gauge pressure .1746
Connection of service tool 1749
Precautions for disconnecting and connecting air conditioner piping .1751
Handling of compressor oil 1753
90 Diagrams and drawings 1755
Table of contents .1756
Hydraulic circuit diagram .1757
Symbols in hydraulic circuit diagram 1757
Hydraulic circuit diagram 1761
Electric circuit diagram 1763
Symbols in electric circuit diagram .1763
Electrical circuit diagram .1767
Air conditioner electrical circuit diagram .1779
INDEX 1781

DESCRIPTION:

Komatsu PC360LC-10 Hydraulic Excavator Shop Manual SEN05619-10 –  PDF DOWNLOAD

• SERIAL NUMBERS 70001 and up

G.B 26/12/24