Komatsu PC500LC-10R, Shop Manual, Page: 96 / 758

CONTENTS
ABBREVIATION LIST .................................................................................................................................... 10-5
BOOT-UP SYSTEM ......................................................................................................................................10-11
LAYOUT DRAWING OF BOOT-UP SYSTEM.........................................................................................10-11
SYSTEM OPERATING LAMP SYSTEM ............................................................................................... 10-13
SYSTEM OPERATING LAMP SYSTEM DIAGRAM ....................................................................... 10-13
FUNCTION OF SYSTEM OPERATING LAMP SYSTEM ............................................................... 10-13
BATTERY DISCONNECT SWITCH ...................................................................................................... 10-14
FUNCTION OF BATTERY DISCONNECT SWITCH ...................................................................... 10-14
ENGINE SYSTEM ....................................................................................................................................... 10-15
LAYOUT DRAWING OF ENGINE SYSTEM.......................................................................................... 10-15
SPECIFICATIONS OF ENGINE SYSTEM ..................................................................................... 10-16
ENGINE CONTROL SYSTEM .............................................................................................................. 10-17
ENGINE CONTROL SYSTEM DIAGRAM...................................................................................... 10-17
FUNCTION OF ENGINE CONTROL SYSTEM .............................................................................. 10-18
AUTO-DECELERATION SYSTEM ........................................................................................................ 10-20
AUTO-DECELERATION SYSTEM DIAGRAM ............................................................................... 10-20
FUNCTION OF AUTO-DECELERATION SYSTEM........................................................................ 10-20
OPERATION OF AUTO-DECELERATION SYSTEM...................................................................... 10-21
ENGINE AUTOMATIC WARM-UP SYSTEM ......................................................................................... 10-22
ENGINE AUTOMATIC WARM-UP SYSTEM DIAGRAM................................................................. 10-22
FUNCTION OF ENGINE AUTOMATIC WARM-UP SYSTEM......................................................... 10-23
OVERHEAT PREVENTION SYSTEM ................................................................................................... 10-24
OVERHEAT PREVENTION SYSTEM DIAGRAM........................................................................... 10-24
FUNCTION OF OVERHEAT PREVENTION SYSTEM................................................................... 10-25
TURBOCHARGER PROTECTION SYSTEM ........................................................................................ 10-26
TURBOCHARGER PROTECTION SYSTEM DIAGRAM ............................................................... 10-26
FUNCTION OF TURBOCHARGER PROTECTION SYSTEM........................................................ 10-27
AUTOMATIC IDLE STOP SYSTEM ...................................................................................................... 10-28
AUTOMATIC IDLE STOP SYSTEM DIAGRAM.............................................................................. 10-28
FUNCTION OF AUTOMATIC IDLE STOP SYSTEM ...................................................................... 10-28
COMPONENT PARTS OF ENGINE SYSTEM ...................................................................................... 10-31
TURBOCHARGER......................................................................................................................... 10-31
BLOWBY PRESSURE SENSOR ................................................................................................... 10-32
COOLING SYSTEM..................................................................................................................................... 10-33
LAYOUT DRAWING OF COOLING SYSTEM ....................................................................................... 10-33
SPECIFICATIONS OF COOLING SYSTEM................................................................................... 10-34
FAN SPEED CONTROL SYSTEM OF FAN CLUTCH ........................................................................... 10-35
FAN SPEED CONTROL SYSTEM DIAGRAM OF FAN CLUTCH................................................... 10-35
FUNCTION OF FAN SPEED CONTROL SYSTEM OF FAN CLUTCH........................................... 10-36
ENGINE OUTPUT CONTROL SYSTEM OF FAN CLUTCH.................................................................. 10-37
ENGINE OUTPUT CONTROL SYSTEM DIAGRAM OF FAN CLUTCH ......................................... 10-37
FUNCTION OF ENGINE OUTPUT CONTROL SYSTEM OF FAN CLUTCH.................................. 10-37
COMPONENT PARTS OF COOLING SYSTEM.................................................................................... 10-39
FAN CLUTCH ................................................................................................................................ 10-39
CONTROL SYSTEM.................................................................................................................................... 10-40
LAYOUT DRAWING OF CONTROL SYSTEM ...................................................................................... 10-40
MACHINE MONITOR SYSTEM ............................................................................................................ 10-43
MACHINE MONITOR SYSTEM DIAGRAM.................................................................................... 10-43
FUNCTION OF MACHINE MONITOR SYSTEM ............................................................................ 10-43
KOMTRAX SYSTEM............................................................................................................................. 10-45
KOMTRAX SYSTEM DIAGRAM .................................................................................................... 10-45
FUNCTION OF KOMTRAX SYSTEM ............................................................................................ 10-45
COMPONENT PARTS OF CONTROL SYSTEM................................................................................... 10-46
MACHINE MONITOR..................................................................................................................... 10-46
REARVIEW CAMERA.................................................................................................................... 10-57
KOMTRAX TERMINAL .................................................................................................................. 10-58
CONTENTS 10 STRUCTURE AND FUNCTION
10-2 PC500LC-10R