HYDRAULIC SYSTEM RT540E SERVICE MANUAL
2-48 Published 4-20-2015, Control # 502-01
CHECK VALVES
Description
Check valves are used in the crane hydraulic system to block
flow in one direction and allow free flow in the opposite
direction.
A check valve is plumbed in-line at the inlet of the front steer
control valve. It prevents steering wheel kick-back if the steer
cylinder pressure rises above the inlet port pressure.
Maintenance
Removal
1. Tag and disconnect hydraulic lines from the 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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