Control Valve Lower Body

COMPONENTS




DISASSEMBLY

1. Remove valves at parallel pins.
2. Remove valves at retainer plates.





INSPECTION

Valve springs
- Check each valve spring for damage or deformation. Also measure free length and outer diameter.


Inspection standard: Refer to SDS.

- Replace valve springs if deformed or fatigued.

Control valves
- Check sliding surfaces of control valves, sleeves and plugs for damage.




ASSEMBLY

- Install control valves.