Komatsu PC78US-10, Руководство по ремонту

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TEST FUEL PRESSURE ............................................................................................................... 30-32
TEST FUEL RETURN RATE AND LEAKAGE................................................................................ 30-34
BLEED AIR FROM FUEL SYSTEM ............................................................................................... 30-38
TEST FUEL CIRCUIT FOR LEAKAGE .......................................................................................... 30-40
HANDLE CYLINDER CUT-OUT MODE OPERATION.................................................................... 30-42
HANDLE NO-INJECTION CRANKING OPERATION ..................................................................... 30-43
TEST AND ADJUST AIR CONDITIONER COMPRESSOR BELT TENSION ................................. 30-44
TEST ALTERNATOR BELT............................................................................................................ 30-45
TEST AUTOMATIC TENSIONER .................................................................................................. 30-46
WRITE INJECTOR COMPENSATION VALUE TO ENGINE CONTROLLER.................................. 30-49
POWER TRAIN..................................................................................................................................... 30-55
TEST SWING CIRCLE BEARING CLEARANCE ........................................................................... 30-55
UNDERCARRIAGE AND FRAME......................................................................................................... 30-56
TEST AND ADJUST TRACK TENSION......................................................................................... 30-56
HYDRAULIC SYSTEM.......................................................................................................................... 30-58
RELEASE REMAINING PRESSURE FROM HYDRAULIC SYSTEM............................................. 30-58
TEST AND ADJUST OIL PRESSURE IN WORK EQUIPMENT, AND TRAVEL CIRCUITS............ 30-62
TEST AND ADJUST SWING AND BLADE CIRCUIT OIL PRESSURE .......................................... 30-70
TEST OIL PRESSURE OF CONTROL CIRCUIT ........................................................................... 30-74
TEST AND ADJUST OIL PRESSURE IN PUMP PC CONTROL CIRCUIT .................................... 30-76
TEST AND ADJUST OIL PRESSURE IN PUMP LS CONTROL CIRCUIT..................................... 30-81
TEST OUTLET PRESSURE OF SOLENOID VALVE ..................................................................... 30-85
TEST PPC VALVE OUTLET PRESSURE ...................................................................................... 30-88
ADJUST WORK EQUIPMENT AND SWING PPC VALVES ........................................................... 30-90
TEST AND ADJUST TRAVEL DEVIATION .................................................................................... 30-91
TEST THE PARTS CAUSING HYDRAULIC DRIFT IN WORK EQUIPMENT................................. 30-94
TEST OIL LEAKAGE ..................................................................................................................... 30-96
BLEED AIR FROM HYDRAULIC CIRCUIT ...................................................................................30-100
CAB AND ITS ATTACHMENTS ...........................................................................................................30-105
METHOD FOR ADJUSTING MIRRORS .......................................................................................30-105
TEST AND ADJUST ENGINE HOOD CATCHER..........................................................................30-107
ELECTRICAL SYSTEM .......................................................................................................................30-110
SET AND OPERATE MACHINE MONITOR..................................................................................30-110
METHOD FOR STARTING UP KOMTRAX TERMINAL ................................................................30-156
ADJUST REARVIEW CAMERA ANGLE .......................................................................................30-161
HANDLE VOLTAGE CIRCUIT OF ENGINE CONTROLLER .........................................................30-163
HANDLE BATTERY DISCONNECT SWITCH ...............................................................................30-164
TEST DIODES ..............................................................................................................................30-165
Pm CLINIC...........................................................................................................................................30-166
Pm CLINIC SERVICE ...................................................................................................................30-166
40 TROUBLESHOOTING .............................................................................................................................. 40-1
CONTENTS ............................................................................................................................................ 40-2
ABBREVIATION LIST ............................................................................................................................. 40-8
RELATED INFORMATION ON TROUBLESHOOTING ......................................................................... 40-14
GENERAL TROUBLESHOOTING POINTS ................................................................................... 40-14
SEQUENCE OF EVENTS IN TROUBLESHOOTING..................................................................... 40-15
CHECKS BEFORE TROUBLESHOOTING.................................................................................... 40-17
INSPECTION PROCEDURE BEFORE TROUBLESHOOTING ..................................................... 40-19
TESTING IN ACCORDANCE WITH TESTING PROCEDURE....................................................... 40-21
ELECTRICAL SYSTEM TROUBLESHOOTING - PREPARATION................................................. 40-45
PROCEDURE FOR TESTING AND TROUBLESHOOTING .......................................................... 40-52
SYMPTOMS OF FAILURE AND TROUBLESHOOTING NUMBERS ............................................. 40-55
INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE.................................................... 40-59
TROUBLESHOOTING METHOD FOR OPEN CIRCUIT IN WIRING HARNESS OF PRESSURE SEN-
SOR SYSTEM............................................................................................................................ 40-61
CONNECTORS LIST AND LAYOUT.............................................................................................. 40-63
CONNECTOR CONTACT IDENTIFICATION ................................................................................. 40-74
T-BRANCH BOX AND T-BRANCH ADAPTER TABLE ..................................................................40-114
INDEX 00 INDEX AND FOREWORD
00-4 PC78US-10
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