Control Valve Lower Body
DISASSEMBLY
- Remove valves at retainer plate.
For removal procedures, refer to "DISASSEMBLY", "Control Valve Upper Body". Control Valve Upper Body
INSPECTION
Valve Springs
- Check each valve spring for damage or deformation. Also measure free length and outer diameter.
Inspection standard: Refer to Specifications.
- Replace valve springs if deformed or fatigued.
Control Valves
- Check sliding surfaces of control valves, sleeves and plugs for damage.
ASSEMBLY
- Install control valves.
For installation procedures, refer to "ASSEMBLY", "Control Valve Upper Body". Control Valve Upper Body
Retainer Plate (Lower body)
- Install proper retainer plates. Refer to the image at the top of this article.