Air Valve Repair - Graco Pro Xp 3A2494D Instructions Manual

Repair
Air Valve Valve Repair Repair
Air Air Valve Repair
1. See Prepare the Gun for Service, page
2. See Barrel Removal, page
3. Remove the screws (13) and trigger (12).
4. Remove the ES On-Off Valve. See
and Fluid Adjustment Valve Repair, page
5. Remove the spring (34).
6. Push on the front of the air valve shaft to force it
out the back of the handle. Inspect the rubber
seal (23a*) and replace if damaged.
7. Inspect the u-cup (35). Do not remove the u-cup
unless damaged. If removed, install the new one
with its lips facing into the gun handle (16). Place
the u-cup on the shaft of the air valve to help seat
it in the gun handle.
Figure 36 Install U-Cup
50
37.
42.
ES On-Off
49.
8. Install the air valve (23) and spring (34) into the
gun handle (16).
9. Install the ES On-Off Valve. See
Fluid Adjustment Valve Repair, page
10. Install the trigger (12) and screws (13).
11. See Barrel Installation, page
Figure 37 Air Valve
ES On-Off and
49.
42.
3A2494D