See valve manual 310550 for more information.
1. Remove and bleed air pressure from valve.
2. Remove valve cap (402).
3. Disconnect coupling (404) from valve shaft (401).
4. Remove air cylinder (405) from valve cap (402).
5. Lubricate and replace o ring (403).
6. Perform any other valve maintenance as required.
See Graco manual 310550.
7. Reattach air cylinder (405) to valve cap (402).
8. Pull air cylinder (405) shaft out and attach
coupling (404).
9. Attach coupling (404) to valve shaft (401) and
piston (401).
3A2152B
Repair
47