Komatsu PC1250 -8, Shop Manual

Page: 8 / 51

SEN00891-19 00 Index and foreword
6
PC1250-8
Testing fuel system for leakage ............................................................................................... 31
Procedure for checking alternator and replacing belt .............................................................. 32
Testing and adjusting, Part 2 SEN01633-02
Testing swing circle bearing clearance .................................................................................... 2
Testing wear of sprocket .......................................................................................................... 3
Testing and adjusting track shoe tension................................................................................. 4
Testing and adjusting hydraulic pressure in work equipment, swing, travel circuit .................. 5
Testing and adjusting control circuit oil pressure ..................................................................... 19
Testing and adjusting piston pump control pressure................................................................ 21
Testing servo piston stroke ...................................................................................................... 28
Testing and adjusting, Part 3 SEN01634-02
Measuring PPC valve output pressure and testing swing PPC shuttle valve .......................... 2
Measuring solenoid valve output pressure .............................................................................. 6
Adjusting work equipment, swing PPC valve........................................................................... 8
Testing travel deviation ............................................................................................................ 9
Testing locations causing hydraulic drift of work equipment .................................................... 10
Measuring oil leakage.............................................................................................................. 11
Measurement of fan speed ...................................................................................................... 19
Measurement of fan circuit oil pressure................................................................................... 20
Measuring fan pump EPC solenoid valve output pressure...................................................... 22
Bleeding air.............................................................................................................................. 23
Releasing remaining pressure in hydraulic circuit ................................................................... 25
Testing procedures for diode ................................................................................................... 26
Testing and adjusting, Part 4 SEN01635-05
Special function of machine monitor ........................................................................................ 2
Handling controller voltage circuit ............................................................................................ 42
Testing and adjusting, Part 5 SEN01636-01
VHMS controller initial setting procedure................................................................................. 2
Precautions for replacing VHMS controller.............................................................................. 17
Testing and adjusting, Part 6 SEN01674-02
Pm-clinic service...................................................................................................................... 2
40 Troubleshooting
Failure code table and fuse locations SEN01638-02
Failure code table .................................................................................................................... 2
Fuse locations.......................................................................................................................... 7
General information on troubleshooting SEN01637-04
Points to remember when troubleshooting .............................................................................. 2
Sequence of events in troubleshooting.................................................................................... 3
Checks before troubleshooting ................................................................................................ 4
Classification and troubleshooting steps ................................................................................. 5
Information in troubleshooting table......................................................................................... 9
Connection table for connector pin numbers ........................................................................... 11
T- branch box and T- branch adapter table.............................................................................. 47
Troubleshooting by failure code (Display of code), Part 1 SEN01639-01
Failure code [A000N1] Eng. Hi Out of Std ............................................................................... 3
Failure code [AA10NX] Aircleaner Clogging............................................................................ 4
Failure code [AB00KE] Charge Voltage Low ........................................................................... 6
Failure code [B@BAZG] Eng. Oil Press. Low.......................................................................... 8
Failure code [B@BAZK] Eng. Oil Level Low............................................................................ 10
Failure code [B@BCNS] Eng. Water Overheat ....................................................................... 12
Failure code [B@BCZK] Eng. Water Lvl Low .......................................................................... 14
Failure code [B@CBNS] High PTO temperature..................................................................... 16
Failure code [B@HANS] Hydr. Oil Overheat ........................................................................... 18
Failure code [CA111] ECM Critical Internal Failure.................................................................. 19
Failure code [CA115] Eng Ne and Bkup Speed Sens Error..................................................... 21
Failure code [CA122] Chg Air Press Sensor High Error .......................................................... 22
Find manuals at https://best-manuals.com