2-50 Published 08-25-09, Control # 077-04
HYDRAULIC SYSTEM RT9130E SERVICE MANUAL
SHUTTLE VALVE
Description
The in-lined plumbed shuttle valve is used as a directional
selector valve. It is located at the inlet of the telescope rod
drain solenoid valve. It is used to direct the higher trapped
pressure of the rod side telescope cylinders to the telescope
rod drain solenoid valve inlet.
It consists of a ball that moves between two opposing check
seats. When one port is pressurized, the ball is forced
against the opposite seat, blocking that inlet and providing a
flow path to the outlet port.
Maintenance
Removal
1. Tag and disconnect hydraulic lines from valve and cap or
plug all openings, and remove valve.
Installation
1. Connect the hydraulic lines as tagged during removal.
2. Check valve and hydraulic connections for leaks. Make
repairs as needed.
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