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00 Index and foreword
Index
Releasing remaining pressure in work equipment cylinder ..................................................... 30-56
Testing and adjusting work equipment oil pressure................................................................ 30-57
Testing source pressure of control circuit.............................................................................. 30-59
Testing outlet pressure of work equipment EPC valve and fan EPC valve ............................... 30-60
Isolating the parts causing hydraulic drift in blade and ripper .................................................. 30-62
Testing internal oil leakage of work equipment cylinder .......................................................... 30-63
Testing fan speed............................................................................................................... 30-65
Testing fan circuit oil pressure ............................................................................................. 30-66
Bleeding air from hydraulic circuit ........................................................................................ 30-67
Work equipment ....................................................................................................................... 30-68
Adjusting work equipment lock lever .................................................................................... 30-68
Adjusting play of blade center ball........................................................................................ 30-70
Electrical system ...................................................................................................................... 30-71
Special functions of machine monitor ................................................................................... 30-71
Adjustment method when HST controller has been replaced ................................................ 30-143
Adjustment method when electric or hydraulic device has been replaced .............................. 30-146
Adjusting rearview camera angle ....................................................................................... 30-147
Testing windshield wiper operation .................................................................................... 30-148
Replacing windshield wiper blade ...................................................................................... 30-149
Handling voltage circuit of engine controller........................................................................ 30-150
Handling battery disconnect switch .................................................................................... 30-151
Testing diodes ................................................................................................................. 30-152
Pm clinic ................................................................................................................................ 30-153
Pm Clinic service ............................................................................................................. 30-153
Pm Clinic service (D39EX-23,D39PX-23) ........................................................................... 30-155
Pm Clinic check sheet ...................................................................................................... 30-157
Pm Clinic check sheet (D39EX-23,D39PX-23).................................................................... 30-166
40 Troubleshooting............................................................................................................................ 40-1
Table of contents ........................................................................................................................ 40-2
Related information on troubleshooting......................................................................................... 40-9
Troubleshooting points ......................................................................................................... 40-9
Sequence of events in troubleshooting................................................................................. 40-11
Checks before troubleshooting ............................................................................................ 40-13
Inspection procedure before troubleshooting ........................................................................ 40-15
Preparation for troubleshooting of electrical system............................................................... 40-33
Classification and procedures for troubleshooting ................................................................. 40-36
Symptom and troubleshooting numbers ............................................................................... 40-38
Information in troubleshooting table ..................................................................................... 40-40
Troubleshooting method for open circuit in wiring harness of pressure sensor system .............. 40-42
Connector list and layout .................................................................................................... 40-44
Connector contact identification........................................................................................... 40-55
T-branch box and T-branch adapter table ............................................................................. 40-93
Fuse location table ............................................................................................................. 40-98
Failure codes table........................................................................................................... 40-103
Troubleshooting by failure code (Display of code) ...................................................................... 40-112
Failure code [6091NX] HST Oil Filter Clogging ................................................................... 40-112
Failure code [989L00] Engine Controller Lock Caution 1...................................................... 40-114
Failure code [989M00] Engine Controller Lock Caution 2..................................................... 40-115
Failure code [989N00] Engine Controller Lock Caution 3 ..................................................... 40-116
Failure code [AA10NX] Air Cleaner Clogging ...................................................................... 40-117
Failure code [AB00KE] Charge Voltage Low....................................................................... 40-119
Failure code [B@BAZG] Eng Oil Press Low ....................................................................... 40-121
Failure code [B@BCNS] Eng Water Overheat .................................................................... 40-122
Failure code [B@CRNS] HST Oil Overheat ........................................................................ 40-123
Failure code [B@CRZG] HST Charge Press Low ............................................................... 40-124
Failure code [CA115] Eng Ne and Bkup Speed Sens Error .................................................. 40-125
Failure code [CA122] Chg Air Press Sensor High Error ....................................................... 40-126
Failure code [CA123] Chg Air Press Sensor Low Error ........................................................ 40-128
Failure code [CA131] Throttle Sensor High Error................................................................. 40-130
00-4
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D37, 39-23
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