Komatsu PC290LC-8 PC290NLC-8 Hydraulic Excavator Shop Manual PDF

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Komatsu PC290LC-8 PC290NLC-8 Hydraulic Excavator Shop Manual – PDF DOWNLOAD

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Komatsu PC290LC-8 PC290NLC-8 Hydraulic Excavator Shop Manual – PDF DOWNLOAD 

Language : English
Pages : 254
Downloadable : Yes
File Type : PDF

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TABLE OF CONTENTS:

Komatsu PC290LC-8 PC290NLC-8 Hydraulic Excavator Shop Manual – PDF DOWNLOAD 

00 Index and foreword 3
Index 3
Organization list of the shop manual 4
Table of contents 6
40 Troubleshooting 15
Troubleshooting by failure code (Display of code), Part 1 15
Troubleshooting by failure code (Display of code), Part 1 17
Failure codes table 17
Before carrying out troubleshooting when failure code is displayed 22
Information in troubleshooting table 28
Failure code [989L00] Engine Controller Lock Caution 1 30
Failure code [989M00] Engine Controller Lock Caution 2 30
Failure code [989N00] Engine Controller Lock Caution 3 31
Failure code [AA10NX] Air Cleaner Clogging 31
Failure code [AB00KE] Charge Voltage Low 32
Failure code [B@BAZG] Eng Oil Press Low 34
Failure code [B@BAZK] Eng Oil Level Low 34
Failure code [B@BCNS] Eng Water Overheat 35
Failure code [B@BCZK] Eng Water Level Low 35
Failure code [B@HANS] Hydr Oil Overheat 36
Failure code [CA111] EMC Critical Internal Failure 36
Failure code [CA115] Eng Ne and Bkup Speed Sens Error 37
Failure code [CA122] Chg Air Press Sensor High Error 38
Failure code [CA123] Chg Air Press Sensor Low Error 40
Failure code [CA131] Throttle Sensor High Error 42
Failure code [CA132] Throttle Sensor Low Error 44
Failure code [CA144] Coolant Temp Sens High Error 46
Failure code [CA145] Coolant Temp Sens Low Error 48
Failure code [CA153] Chg Air Temp Sensor High Error 50
Failure code [CA154] Chg Air Temp Sensor Low Error 52
Failure code [CA155] Chg Air Temp High Speed Derate 54
Failure code [CA187] Sens Supply 2 Volt Low Error 56
Failure code [CA221] Ambient Press Sens High Error 58
Failure code [CA222] Ambient Press Sens Low Error 60
Failure code [CA227] Sens Supply 2 Volt High Error 62
Failure code [CA234] Eng Overspeed 63
Failure code [CA238] Ne Speed Sens Supply Volt Error 64
Failure code [CA271] IMV/PCV1 Short Error 65
Failure code [CA272] IMV/PCV1 Open Error 66
Failure code [CA322] Inj #1 (L#1) Open/Short Error 68
Failure code [CA323] Inj #5 (L#5) Open/Short Error 70
Failure code [CA324] Inj #3 (L#3) Open/Short Error 72
Failure code [CA325] Inj #6 (L#6) Open/Short Error 74
Failure code [CA331] Inj #2 (L#2) Open/Short Error 76
Failure code [CA332] Inj #4 (L#4) Open/Short Error 78
40 Troubleshooting 81
Troubleshooting by failure code (Display of code), Part 4 81
Troubleshooting by failure code (Display of code), Part 4 84
Failure code [DXA8KA] PC-EPC (F) Sol Discon 84
Failure code [DXA8KB] PC-EPC (F) Sol Short 86
Failure code [DXA9KA] PC-EPC (R) Sol Discon 88
Failure code [DXA9KB] PC-EPC (R) Sol Short 90
Failure code [DXE0KA] LS-EPC Sol Discon 92
Failure code [DXE0KB] LS-EPC Sol Short 94
Failure code [DXE4KA] Service Current EPC Discon 96
Failure code [DXE4KB] Service Current EPC Short 98
Failure code [DXE5KA] Merge-divider Main Sol Discon 100
Failure code [DXE5KB] Merge-divider Main Sol Short 102
Failure code [DXE6KA] Merge-divider LS Sol Discon 104
Failure code [DXE6KB] Merge-divider LS Sol Short 106
Failure code [DY20KA] Wiper Working Abnormality 108
Failure code [DY20MA] Wiper Parking Abnormality 110
Failure code [DY2CKA] Washer Drive Discon 112
Failure code [DY2CKB] Washer Drive Short 114
Failure code [DY2DKB] Wiper Drive (For) Short 116
Failure code [DY2EKB] Wiper Drive (Rev) Short 118
Failure code [DXEAKA] Service Current EPC1 Discon 120
Failure code [DXEAKB] Service Current EPC1 Short 121
Failure code [DXE7KA] Service Current EPC2 Discon 122
Failure code [DXE7KB] Service Current EPC2 Short 123
Failure code [DXE8KA] Service Current EPC3 Discon 124
Failure code [DXE8KB] Service Current EPC3 Short 125
Failure code [DXE9KA] Service Current EPC4 Discon 126
Failure code [DXE9KB] Service Current EPC4 Short 127
Failure code [DFB1KZ] Service Lever Potentio 1 Abnormality 130
Failure code [DFB2KZ] Service Lever Potentio 2 Abnormality 132
Failure code [DFB5KZ] Service Lever Sub Potentio 1 Abnormality 134
Failure code [DFB6KZ] Service Lever Sub Potentio 2 Abnormality 136
Failure code [DFB3L8] Service Lever 1 Potentio Error 138
Failure code [DFB4L8] Service Lever 2 Potentio Error 139
40 Troubleshooting 143
Troubleshooting of electrical system (E-mode) 143
Troubleshooting of electrical system (E-mode) 145
Before carrying out troubleshooting of electrical system 145
Information in troubleshooting table 148
E-1 When starting switch turned ON, machine monitor displays nothing 150
E-2 When starting switch turned ON (before starting engine), basic check item lights up 152
E-3 Engine does not start (Engine does not turn) 155
E-4 Preheater does not operate 158
E-5 Automatic warm-up system does not operate (in cold season) 160
E-6 All work equipment, swing, and travel mechanism do not move or cannot be locked 162
E-7 Precaution lights up while engine is running 164
E-8 Emergency stop item lights up while engine is running 169
E-9 Engine coolant temperature gauge does not indicate normally 170
E-10 Hydraulic oil temperature gauge does not indicate normally 171
E-11 Fuel level gauge does not indicate normally 173
E-12 Contents of display by machine monitor are different from applicable machine 175
E-13 Machine monitor does not display some items 175
E-14 Function switch does not work 175
E-15 Auto-decelerator does not operate normally 176
E-16 Working mode does not change 177
E-17 Travel speed does not change 178
E-18 Alarm buzzer cannot be stopped 179
E-19 Windshield wiper and window washer do not operate 182
E-20 Power maximizing function does not operate normally 184
E-21 Swing holding brake does not operate normally 188
E-22 Travel alarm does not sound or does not stop sounding 190
E-23 Air conditioner does not operate normally (including air conditioner abnormality record) 192
E-24 When starting switch is turned OFF, service meter is not displayed 204
E-25 Machine monitor cannot be set in service mode 204
E-26 Monitoring function does not display lever control signal normally 205
E-27 KOMTRAX system does not operate normally 214
40 Troubleshooting 217
Troubleshooting of hydraulic and mechanical system (H-mode) 217
Troubleshooting of hydraulic and mechanical system (H-mode) 220
System diagram of hydraulic and mechanical system 220
Information in troubleshooting table 222
H-1 Speed or power of whole work equipment, swing, and travel is low 223
H-2 Engine speed lowers extremely or engine stalls 225
H-3 Work equipment, swing, and travel systems do not work 226
H-4 Abnormal sound comes out from around hydraulic pump 226
H-5 Auto-decelerator does not operate 227
H-6 Fine control performance or response is low 227
H-7 Speed or power of boom is low 227
H-8 Speed or power of arm is low 229
H-9 Speed or power of bucket is low 230
H-10 Work equipment does not move singly 230
H-11 Hydraulic drift of work equipment is large 231
H-12 Time lag of work equipment is large 233
H-13 When part of work equipment is relieved singly, other parts of work equipment move 233
H-14 Power maximizing function does not work 234
H-15 In compound operation of work equipment, speed of part loaded more is low 234
H-16 When machine swings and raises boom simultaneously, boom rising speed is low 235
H-17 When machine swings and travels simultaneously, travel speed lowers largely 235
H-18 Machine deviates during travel 236
H-19 Travel speed is low 237
H-20 Machine is not steered well or steering power is low 238
H-21 Travel speed does not change or travel speed is low/high 239
H-22 Travel system does not move (only one side) 240
H-23 Upper structure does not swing 241
H-24 Swing acceleration or swing speed is low 243
H-25 Upper structure overruns remarkably when it stops swinging 244
H-26 Large shock is made when upper structure stops swinging 245
H-27 Large sound is made when upper structure stops swinging 245
H-28 Hydraulic drift of swing is large 246
H-29 Attachment circuit is not changed 247
H-30 Oil flow in attachment circuit cannot be controlled 247
Quick coupler 248

S.V 16/12/24