Komatsu Hydraulic Excavator PC170LC Repair Service Manual
Complete service repair manual with Electrical Wiring Diagrams for Komatsu Hydraulic Excavator PC170LC-10, with all the technical information to maintain, diagnose, repair, rebuild like professional mechanics.
Komatsu Hydraulic Excavator PC170LC-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: 1,450 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English
SEN06367-02 - Hydraulic Excavator PC170LC-10 Shop Manual.pdf
MAIN SECTIONS
COVER...1
00 Index and foreword ...3
Index ...4
Foreword, safety and general information ...15
Important safety notice ...15
How to read the shop manual ...22
Explanation of terms for maintenance standard ...24
Handling equipment of fuel system devices ...26
Handling of intake system parts ...27
Handling of hydraulic equipment ...28
Method of disconnecting and connecting of push-pull type coupler ...30
Handling of electrical equipment ...33
How to read electric wire code ...41
Precautions when performing operation ...44
Practical use of KOMTRAX ...49
Standard tightening torque table ...50
List of abbreviation ...56
Conversion table ...61
01 Specification ...67
Table of contents ...68
Specifications ...69
Specification drawing ...69
Working range drawings ...70
Specifications ...71
Weight table ...74
Table of fuel, coolant, and lubricants ...75
10 Structure and function ...77
Table of contents ...78
Engine and cooling system ...79
Engine related parts ...79
VFT ...81
EGR system piping drawing ...85
EGR system circuit diagram ...87
EGR valve ...88
EGR cooler ...90
KCCV layout drawing ...92
KCCV ventilator ...95
KDOC muffler ...97
Cooling system ...99
Power train ...101
Power train system ...101
Swing circle ...103
Swing machinery ...104
Final drive ...106
Undercarriage and frame ...108
Track frame and idler cushion ...108
Hydraulic system ...110
Hydraulic component layout ...110
Valve control ...113
Hydraulic tank ...115
CLSS ...117
Main pump ...121
Control valve ...147
Swing motor ...195
Travel motor ...197
PPC valve ...212
Solenoid valve ...234
Attachment circuit selector valve (for high pressure circuit) ...238
Attachment circuit selector valve (for low pressure circuit) ...240
Center swivel joint ...243
Accumulator ...245
Work equipment ...246
Work equipment ...246
Work equipment shim ...247
Bucket play adjustment shim ...248
Cab and its attachments ...249
Cab mount and cab tipping stopper ...249
ROPS cab ...250
Electrical system ...251
Electrical control system ...251
Machine monitor system ...296
KOMTRAX system ...318
Sensor ...321
20 Standard value tables ...339
Table of contents ...340
Standard service value table ...341
Standard value table for engine ...341
Standard value table for machine ...343
Standard value table for electrical system ...357
30 Testing and adjusting ...365
Table of contents ...366
Related information on testing and adjusting ...367
Tools for testing and adjusting ...367
Sketch of tools for testing and adjusting ...370
Engine and cooling system ...371
Testing engine speed ...371
Testing boost pressure ...372
Testing exhaust gas color ...374
Testing and adjusting valve clearance ...375
Testing compression pressure ...378
Testing blowby pressure ...382
Testing engine oil pressure ...383
Testing fuel pressure ...384
Testing fuel discharge, return and leakage ...389
Bleeding air from fuel system ...394
Testing fuel circuit for leakage ...396
Handling cylinder cutout mode operation ...397
Handling no-injection cranking operation ...398
Checking and adjusting air conditioner compressor belt tension ...399
Replacing fan belt ...400
Power train ...401
Testing swing circle bearing clearance ...401
Undercarriage and frame ...402
Testing and adjusting track tension ...402
Hydraulic system ...403
Releasing remaining pressure from hydraulic circuit ...403
Testing oil pressure of control circuit ...404
Testing and adjusting oil pressure in work equipment, swing, and travel circuits ...405
Testing and adjusting oil pressure in pump PC control circuit ...409
Testing and adjusting oil pressure in pump LS control circuit ...412
Testing outlet pressure of solenoid valve ...416
Testing PPC valve outlet pressure ...419
Adjusting play of work equipment and swing PPC valves ...421
Testing pump swash plate sensor ...422
Isolating the parts causing hydraulic drift in work equipment ...423
Testing and adjusting travel deviation ...425
Testing oil leakage ...427
Bleeding air from hydraulic circuit ...430
Cab and its attachments ...432
Checking cab tipping stopper ...432
Adjusting mirrors ...433
Electrical system ...435
Special functions of machine monitor ...435
KOMTRAX terminal start-up procedure ...493
Adjusting rearview camera angle ...496
Handling voltage circuit of engine controller ...498
Handling battery disconnect switch ...499
Testing diodes ...500
Pm clinic ...501
Pm Clinic service ...501
40 Troubleshooting ...511
Table of contents ...512
Related information on troubleshooting ...518
Troubleshooting points ...518
Sequence of events in troubleshooting ...520
Checks before troubleshooting ...522
Inspection procedure before troubleshooting ...524
Preparation work for troubleshooting of electrical system ...542
Classification and procedure for troubleshooting ...547
Symptom and troubleshooting numbers ...550
Information in troubleshooting table ...553
Procedure for troubleshooting wiring harness of pressure sensor system for open circuit ...555
Connector list and layout ...558
Connector contact identification ...568
T-branch box and T-branch adapter table ...606
Fuse location table ...611
Failure codes table ...613
Troubleshooting by failure code (Display of code) ...620
Failure code [879AKA] A/C Inner Sensor Open Circuit ...620
Failure code [879AKB] A/C Inner Sensor Short Circuit ...621
Failure code [879BKA] A/C Outer Sensor Open Circuit ...622
Failure code [879BKB] A/C Outer Sensor Short Circuit ...623
Failure code [879CKA] Ventilating Sensor Open Circuit ...624
Failure code [879CKB] Ventilating Sensor Short Circuit ...625
Failure code [879DKZ] Sunlight Sensor Open Or Short Circuit ...626
Failure code [879EMC] Ventilation Damper Abnormality ...627
Failure code [879FMC] Air Mix Damper Abnormality ...628
Failure code [879GKX] Refrigerant Abnormality ...629
Failure code [989L00] Engine Controller Lock Caution 1 ...630
Failure code [989M00] Engine Controller Lock Caution 2 ...631
Failure code [989N00] Engine Controller Lock Caution 3 ...632
Failure code [AA10NX] Air Cleaner Clogging ...633
Failure code [AB00KE] Charge Voltage Low ...635
Failure code [B@BAZG] Eng Oil Press Low ...637
Failure code [B@BAZK] Eng Oil Level Low ...638
Failure code [B@BCNS] Eng Water Overheat ...639
Failure code [B@BCZK] Eng Water Level Low ...640
Failure code [B@HANS] Hyd Oil Overheat ...642
Failure code [CA115] Eng Ne and Bkup Speed Sens Error ...643
Failure code [CA122] Chg Air Press Sensor High Error ...644
Failure code [CA123] Chg Air Press Sensor Low Error ...646
Failure code [CA131] Throttle Sensor High Error ...648
Failure code [CA132] Throttle Sensor Low Error ...650
Failure code [CA144] Coolant Temp Sens High Error ...652
Failure code [CA145] Coolant Temp Sens Low Error ...654
Failure code [CA153] Chg Air Temp Sensor High Error ...656
Failure code [CA154] Chg Air Temp Sensor Low Error ...658
Failure code [CA187] Sensor 2 Supply Volt Low Error ...660
Failure code [CA221] Ambient Press Sensor High Error ...662
Failure code [CA222] Ambient Press Sens Low Error ...664
Failure code [CA227] Sensor 2 Supply Volt High Error ...666
Failure code [CA234] Eng Overspeed ...667
Failure code [CA238] Ne Speed Sensor Supply Volt Error ...668
Failure code [CA239] Ne Speed Sens Supply Volt High Error ...669
Failure code [CA271] IMV/PCV1 Short Error ...670
Failure code [CA272] IMV/PCV1 Open Error ...672
Failure code [CA295] Ambient Press Sens In Range Error ...674
Failure code [CA322] Inj #1(L#1) Open/Short Error ...675
Failure code [CA324] Inj #3(L#3) Open/Short Error ...677
Failure code [CA331] Inj #2(L#2) Open/Short Error ...679
Failure code [CA332] Inj #4(L#4) Open/Short Error ...681
Failure code [CA343] ECM Critical Internal Failure ...683
Failure code [CA351] Injectors Drive Circuit Error ...684
Failure code [CA352] Sensor 1 Supply Volt Low Error ...685
Failure code [CA356] Mass Air Flow Sensor High Error ...687
Failure code [CA357] Mass Air Flow Sensor Low Error ...689
Failure code [CA386] Sensor 1 Supply Volt High Error ...691
Failure code [CA428] Water in Fuel Sensor High Error ...692
Failure code [CA429] Water in Fuel Sensor Low Error ...694
Failure code [CA435] Eng Oil Press Sw Error ...696
Failure code [CA441] Battery Voltage Low Error ...697
Failure code [CA442] Battery Voltage High Error ...699
Failure code [CA449] Rail Press Very High Error ...700
Failure code [CA451] Rail Press Sensor High Error ...701
Failure code [CA452] Rail Press Sensor Low Error ...703
Failure code [CA466] KVGT Motor Driver Position Error ...705
Failure code [CA488] Chg Air Temp High Torque Derate ...707
Failure code [CA515] Rail Press Sens Sup Volt High Error ...708
Failure code [CA516] Rail Press Sens Sup Volt Low Error ...710
Failure code [CA553] Rail Press High Error ...712
Failure code [CA555] Crankcase Press High Error 1 ...713
Failure code [CA556] Crankcase Press High Error 2 ...714
Failure code [CA559] Rail Press Low Error ...715
Failure code [CA689] Eng Ne Speed Sensor Error ...719
Failure code [CA691] Intake Air Temp Sens High Error ...721
Failure code [CA692] Intake Air Temp Sens Low Error ...723
Failure code [CA697] ECM Internal Temp Sensor High Error ...725
Failure code [CA698] ECM Int Temp Sensor Low Error ...726
Failure code [CA731] Eng Bkup Speed Sens Phase Error ...727
Failure code [CA778] Eng Bkup Speed Sensor Error ...728
Failure code [CA1117] Persistent Data Lost Error ...731
