Valve Body Unit: Inspection

Check cut-off valve, pressure control valve or gain control valve for signs of scratching and/or scoring. Insert appropriate valve into valve body, and ensure it slides smoothly in and out. If valve body is damaged, replace valve body and appropriate valve as a set.
NOTE: Cut-off valve, pressure control valve, gain control valve, control valve and plungers are sized to fit valve body. If any of these need replacement, ensure NEW part has same identification letter.
Inspect plungers for scoring or scratching. Insert plungers into valve body and check for smooth operation. Replace any damaged plunger. If valve body is damaged, replace valve body as a unit.
Check control valve for scoring or scratches. Insert control valve into valve body and check for smooth operation. If valve body is damaged, replace valve body as a unit.