Control Valve Lower Body

Control Valve Lower Body

DISASSEMBLY




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

Inspection Standard:

^ 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 removal procedures, refer to Assembly of Control Valve Upper Body. Control Valve Upper Body