Graco Pro Xp 60 WB Instructions Manual page 60

Repair
Atomizing Air Air Restrictor Restrictor Valve
Atomizing Atomizing Air Restrictor
1. Follow the steps in
Prepare the Gun for Service, page
2. Place a wrench on the flats of the valve housing
(29a) and unscrew the valve from the handle
(16).
Note
You may replace the valve as an
assembly (go to step 9) or replace only
the o-ring (steps 3–9).
3. Unscrew the valve stem (29e). Remove the
retaining ring (29d).
4. Turn the valve body (29b) counterclockwise until
it comes free from the valve housing (29a).
5. Inspect the o-ring (29c). Remove if damaged.
6. Clean all parts and inspect for wear or damage.
Note
Use non-silicone grease, Part No.
111265. Do not over-lubricate.
7. When reassembling the atomizing air restrictor
valve (29), lightly lubricate the o-ring (29c) and
push the valve body (29b) fully into the housing
(29a) until bottomed.
8. Reassemble the retaining ring (29d). Thread the
valve stem (29e) halfway into the valve body
(29b).
9. Align the slot (S) in the valve stem with the rib (R)
in the gun handle. Screw the valve assembly (29)
into the gun handle (16), using a wrench on the
flats of the housing. Torque to 15 in-lb (1.7 N•m).
Note
If the atomizing air restrictor valve is not
desired, install the supplied plug (42).
60
Valve Repair Repair
Valve Repair
48.
Figure 37 Atomizing Air Restrictor Valve
Figure 38 Align Valve Stem
3A7504A