Fan Air Adjustment Valve Repair - Graco Pro Xp 3A2494D Instructions Manual

Fan Air Air Adjustment Adjustment Valve
Fan Fan Air Adjustment
1. See Prepare the Gun for Service, page
2. Place a wrench on the flats of the valve housing
(30a) and unscrew the valve from the handle
(16).
NOTE: NOTE: NOTE: You may replace the valve as an
assembly (go to step 9) or replace only the o-ring
(steps 3–9).
3. Remove the retaining ring (30d).
4. Turn the valve shaft (30b) counterclockwise until
it comes free from the valve housing (30a).
5. Inspect the o-ring (30c). Remove if damaged.
6. Clean all parts and inspect for wear or damage.
NOTE: Use non-silicone grease, Part No. NOTE: NOTE:
111265. Do not over-lubricate.
7. When reassembling the fan air valve (30), lightly
lubricate the valve threads and screw the shaft
(30b) fully into the housing (30a) until bottomed.
Install the o-ring (30c*), lubricate, and unscrew
the valve stem until the o-ring enters the housing.
3A2494D
Valve Repair Repair
Valve Repair
37. 8. Reassemble the retaining ring (30d). Unscrew
the valve stem from the housing until it is stopped
by the retaining ring.
9. Screw the valve assembly (30) into the gun
handle (16), using a wrench on the flats of the
housing. Torque to 15 in-lb (1.7 N•m).
Figure 32 Fan Air Adjustment Valve
Repair
47