Outline - Hitachi ZW180 Technical Manual

COMPONENT OPERATION / Steering Pilot Valve

OUTLINE

The steering pilot valve is located between the
brake/pilot pump and the steering valve.
The steering pilot valve supplies pressure oil from the
pilot pump to the steering valve in response to the
movement of the steering wheel. (Refer to the Steering
Curcuit in the SYSTEM / Hydraulic System group)
Port L (for Left Steering)
Steering
wheel
Port R (for Right Steering)
Port T
(to Hydraulic Oil Tank)
T3-4-1
Port P
(from Brake/Pilot Pump)
T487-03-02-001