Control Valve Assembly: Inspection
- Clean all parts with solvent. Dry parts with compressed air. Ensure all valve body oil passages are clear. Inspect valves for scoring or roughness. Inspect valve springs for damage, squareness, rust and collapsed coils. Measure spring free length and outer diameter.
- Replace spring if not within specification. See appropriate table under VALVE BODY SPRING SPECIFICATIONS . Ensure valve body springs correspond with appropriate valve. Ensure check balls, pins, retainers, strainers and vibrating stopper is installed in appropriate locations. See appropriate table under VALVE BODY RETAINER SPECIFICATIONS for retainer specifications. See Figure-48.