Air Cap/Nozzle Replacement - Graco 244581 Instructions-Parts List Manual

Repair

Air Cap/Nozzle Replacement

CAUTION
Hold the front end of the gun up and trigger the gun
while removing the nozzle to help drain the gun and
prevent any paint or solvent left in the gun from enter-
ing the air passages.
1. Prepare gun for service, page 41.
2. Remove the retaining ring (27) and air cap (9). See
F . 24..
IG
3. Point gun up and squeeze trigger while removing
the fluid nozzle (7) assembly with the multi-tool (37).
Fig. 24. Air Cap/Nozzle Replacement
42
Fire, Explosion, and Electric Shock Hazard
Use non-silicone grease, Part No. 111265, on the small
o-ring (7b). Do not over-lubricate. Do not lubricate the
contact ring (7a).
4. Lightly lubricate the o-ring (7b). Install it and the
27
Make sure the electrode needle (29) is finger- tight
(page 43).
27a*
5. Trigger gun while installing the fluid nozzle (7) with
9
6. Install the air cap (9) and retaining ring (27). Make
37
7
7. Test gun resistance, page 30.
7a
7b
ti1501a
WARNING
The nozzle contact ring (7a) is a conductive
contact ring, not a sealing o-ring. To reduce
the risk of sparking or electric shock, do not
remove the nozzle contact ring (7a) except
to replace it and never operate the gun with-
out the contact ring in place. Do not replace
the contact ring with anything but a genuine
Graco part.
contact ring (7a) on the nozzle (7).
the multi-tool (37). Tighten until the fluid nozzle
seats in the gun barrel (1/8 to 1/4 turn past
hand-tight).
sure the u-cup (27a*) is in place with the lips facing
forward.
309293K