00 Index and foreword SEN06413-02
WA380-6, WA380Z-6 7
Testing wheel brake oil pressure drop..................................................................................... 16
Testing wear of wheel brake disc............................................................................................. 18
Bleeding air from wheel brake circuit....................................................................................... 19
Releasing residual pressure in brake accumulator circuit ....................................................... 20
Testing parking brake performance ......................................................................................... 21
Testing parking brake oil pressure........................................................................................... 22
Testing wear of parking brake disc .......................................................................................... 24
Method of releasing parking brake manually........................................................................... 25
Testing and adjusting work equipment control lever................................................................ 26
Testing and adjusting work equipment PPC oil pressure ........................................................ 27
Testing and adjusting work equipment oil pressure................................................................. 33
Bleeding air from work equipment circuit................................................................................. 37
Releasing residual pressure in work equipment circuit ........................................................... 38
Procedure for testing of nitrogen gas pressure and charging of nitrogen gas of ECSS
(Electronically Controlled Suspension System) accumulator........................................... 40
Testing and adjusting bucket positioner................................................................................... 46
Testing and adjusting boom kick-out ....................................................................................... 48
Checking proximity switch operation pilot lamp....................................................................... 49
Procedure for testing diodes....................................................................................................50
Preparation work for troubleshooting for electric system......................................................... 51
How to start operation of KOMTRAX terminal......................................................................... 60
Lamp display of KOMTRAX terminal....................................................................................... 65
Testing and adjusting, Part 3 SEN06435-00
Adjusting replaced, reassembled or added sensor, controller, etc. with machine monitor ...... 3
Special functions of machine monitor (EMMS)........................................................................ 5
Pm-clinic inspection table........................................................................................................ 74
40 Troubleshooting
Failure code table and fuse locations SEN06437-00
Failure code table.................................................................................................................... 2
Fuse locations ......................................................................................................................... 19
General information on troubleshooting SEN06438-00
Points to remember when troubleshooting.............................................................................. 2
Sequence of events in troubleshooting ................................................................................... 3
Testing before troubleshooting ................................................................................................ 5
Classification and procedures of troubleshooting.................................................................... 6
Information contained 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 SEN06439-00
Failure code [1500L0] (TORQFLOW transmission: Double meshing)...................................... 3
Failure code [15SAL1] (ECMV F clutch: When command current is OFF, fill signal is ON) ..... 4
Failure code [15SALH] (ECMV F clutch: When command current is ON, fill signal is OFF) .... 6
Failure code [15SBL1] (ECMV R clutch: When command current is OFF, fill signal is ON)..... 8
Failure code [15SBLH] (ECMV R clutch: When command current is ON, fill signal is OFF).... 10
Failure code [15SEL1] (ECMV 1st clutch: When command current is OFF, fill signal is ON)... 12
Failure code [15SELH] (ECMV 1st clutch: When command current is ON, fill signal is OFF).. 14
Failure code [15SFL1] (ECMV 2nd clutch: When command current is OFF, fill signal is ON).. 16
Failure code [15SFLH] (ECMV 2nd clutch: When command current is ON, fill signal is OFF). 18
Failure code [15SGL1] (ECMV 3rd clutch: When command current is OFF, fill signal is ON).. 20
Failure code [15SGLH] (ECMV 3rd clutch: When command current is ON, fill signal is OFF). 22
Failure code [15SHL1] (ECMV 4th clutch: When command current is OFF, fill signal is ON).. 24
Failure code [15SHLH] (ECMV 4th clutch: When command current is ON, fill signal is OFF) . 26
Failure code [2F00MA] (Parking brake: Malfunction)................................................................ 28
Failure code [2G43ZG] (Accumulator: Low oil pressure).......................................................... 31
Failure code [44K0L4] (Bucket positioner: ON/OFF signals disagree) ..................................... 35
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