Outline - Hitachi ZW180 Technical Manual

COMPONENT OPERATION / Hydraulic Fan Motor

OUTLINE

The shaft of the fan motor is equipped with the cooling
fan. Pressure oil from the fan pump rotates the cooling
fan by driving the shaft.
The fan motor has a built-in reverse rotation control
solenoid valve and a flow rate adjustment solenoid
valve, which control the motor rotation direction and
rotation speed.
View Z
A
B
A
T3-3-1
Reverse Rotation
Control Solenoid
Valve
Flow Rate Adjustment
Solenoid Valve
C
B
C
Z
T4GB-03-03-001