Control Valve Lower Body
Control Valve Lower Body:
COMPONENTS
DISASSEMBLY
Remove valves at retainer plate.
For removal procedures, refer to "DISASSEMBLY" of 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.
- Numbers for each valve spring listed in the table above are the same as those in the figure at the top of this page.
Inspection standard: Refer to Specifications and Adjustments. 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" of Control Valve Upper Body. Control Valve Upper Body
Retainer Plate:
- Install proper retainer plates