Atomizing Air Restrictor Valve Removal And Replacement; Es On/Off Valve Repair - Graco OR PRO TI1681A Instructions-Parts List Manual

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
F . 34..
IG
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.
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. 34. Atomizing Air Restrictor Valve

ES ON/OFF Valve Repair

1. Prepare the gun for service, page 41.
309293J
23c*
47
23a
23d
23b
TI1686A
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.
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.
4. Clean and inspect parts for damage. Replace if nec-
essary.
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).
22d
22e
22b*
22c
22a*
TI1488A
Fig. 35. ES ON/OFF Valve
Repair
22g
22f
48
51