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Komatsu Motor Grader GD555-3C GD655-3C GD675-3C Shop Manual
COVER
CONTENTS
01 GENERAL
10 STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
ACCELERATOR CONTROL LINKAGE
ACCELERATOR PEDAL
FAN DRIVE
POWER TRAIN DIAGRAM
TRANSMISSION HYDRAULIC PIPING
TRANSMISSION CONTROL
TORQUE CONVERTER
TORQUE CONVERTER LOCK-UP VALVE (ECMV)
TRANSMISSION
TRANSMISSION VALVE
ECMV (ELECTRONIC CONTROL MODULATION VALVE)
MAIN RELIEF VALVE
TRANSMISSION PUMP
TRANSMISSION AND DIFFERENTIAL LOCK PUMP (WITH
DIFFERENTIAL LOCK)
FINAL DRIVE
TANDEM DRIVE
HYDRAULIC PUMP (SERIAL NO.51001 AND UP)
MAIN CONTROL VALVE
CLSS
WORK EQUIPMENT CONTROL
HYDRAULIC SYSTEM
HYDRAULIC TANK
SWIVEL JOINT
PILOT CHECK VALVE
BLADE ACCUMULATOR, FLOAT VALVE
SHUT-OFF VALVE
BLADE FLOAT DEVICE
CIRCLE ROTATION MOTOR
HYDRAULIC CYLINDER
CIRCLE, DRAWBAR
LIFTER BRACKET LOCK PIN
BLADE
CIRCLE ROTATION GEAR
SCARIFIER
SEBM020911
MACHINE MODEL
SERIAL NUMBER
GD555-3C 50001 and up
GD655-3C 50001 and up
GD675-3C 50001 and up