Control Valve Lower Body
Numbers preceding valve springs correspond with those shown under Specifications; Mechanical.
DISASSEMBLY
Remove valves at retainer plate. For removal procedures, refer to Control Valve Assembly. Control Valve Assembly
INSPECTION
Valve Springs
- Check each valve spring for damage or deformation. Also measure free length and outer diameter.
Inspection standard:
Refer to Specifications; Mechanical.
- 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 Specifications; Mechanical.
Retainer Plate (for control valve lower body)
Figure
Table
- Install proper retainer plates.