Komatsu Compactor WF550-3 WF550T-3 Shop Manual

WF550-3 / WF550T-3
CONTENTS
OO SAFETY
01 GENERAL
10 STRUCTURE AND FUNCTION
General
Drive unit cooling fan
Transmission
Main relief, torque converter relief valve
Differential
Limited slip differential
Final drive
Axle mount, center hinge pin
Steering piping
Brake piping
Brake
Parking brake emergency release solenoid valve
Hydraulic piping
Work equipment lever linkage
Hydraulic tank

Measuring engine oil pressure
Adjusting speed sensor
Adjusting of engine stop motor cable
Torque converter and transmission oil pressure
Steering oil pressure
Measuring parking brake oil pressure
Testing and adjusting PPC oil pressure
Adjusting PPC valve linkage
Work equipment hydraulic pressure
Adjusting work equipment lever linkage
Adjusting main monitor (speedometer module)
TROUBLESHOOTING
Outline
Connector types and mounting locations
Connector arrangement diagram

20 TROUBLESHOOTING FOR RADIATOR COOLING FAN SYSTEM (EC MODE)
20 TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (H MODE)
30 DISASSEMBLY AND ASSEMBLY
40 MAINTENANCE STANDARD
90 OTHERS

VEBM090100

SERIAL NUMBER
wr-550-3
WF550T-3
W089-50001 AND UP
W090-50001 AND UP