User's Manual

Repair

309293L 51

Atomizing Air Restrictor Valve

Removal and Replacement

1. Prepare the gun for service, page 41.

2. Remove the atomizing air restrictor valve (23).

Inspect the o-ring (23c*). Replace if necessary. See

IG. 35..

3. Install a new atomizing air restrictor valve (23), or

disassemble and replace parts individually. The

valve protrusion must be oriented to clear the air

valve (21) shaft.

NOTE: If the atomizing air restrictor valve is not desired,

install the supplied plug (47).

4. Torque the valve housing (23a) to 15-20 in-lb

(1.7-2.3 N•m).

Fig. 35. Atomizing Air Restrictor Valve

ES ON/OFF Valve Repair

1. Prepare the gun for service, page 41.

2. Loosen the screw (48). Remove the valve.

3. Lubricate the o-rings (22a* and 22b*) with non-sili-

cone grease, Part No. 111265. Do not over-lubri-

cate.

4. Clean and inspect parts for damage. Replace if nec-

essary.

NOTE: The protrusion on the retainer plate (22d) must

point upward.

5. Reinstall the valve. Torque the screw (48) to 15-25

in-lb (1.7-2.8 N•m).

Fig. 36. ES ON/OFF Valve

TI1686A

23b

23a

23d

23c*

CAUTION

Do not over-lubricate parts. Excessive lubricant on

the o-rings can be pushed into the gun air passage

and blemish the finish on the workpiece.

TI1488A

22a*

22b*

22c

22d

22e

22f

22g