Fan Air Adjustment Valve Repair
1. See
Prepare the Gun for Service, page 47
2. Place a wrench on the flats of the valve assembly
(30) and unscrew it from the handle (16).
NOTE: You may replace the valve as an
assembly (go to step
9
) or as individual parts
(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. Remove the o-ring (30c).
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 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.
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 37 Fan Air Adjustment Valve
Atomizing Air Adjustment Valve
Repair
1. See
Prepare the Gun for Service, page 47
2. Place a wrench on the flats of the valve assembly
(29) and unscrew it from the handle (16).
3. Inspect the valve assembly. If damaged, install
a new valve (29).
4. Before installing the valve assembly in the
handle, unscrew the valve stem (29b) from the
housing (29a) until it stops.
5. Install the valve assembly into the gun handle.
Torque the valve housing (29a) to 15 in-lb (1.7
N•m).
Figure 38 Atomizing Air Adjustment Valve
3A2497C
55