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Daily Gun Maintenance
312414D 11
Clean Gun
1. Flush, page 10.
2. Remove air cap. Trigger gun, remove noz-
zle, and soak both in a compatible solution.
3. Dip the end of a soft-bristle brush into a
compatible solvent. Do not continuously
soak the brush's bristles with solvent and
do not use a wire brush.
4. With the gun pointed down, clean the front
of the gun, using a soft-bristle brush and
solvent.
5. Scrub the air cap retaining ring, air cap,
and fluid nozzle with the soft-bristle brush.
6. Trigger the gun while you install the fluid
nozzle with the gun tool. Tighten the nozzle
securely to 155-165 in-lb (17.5-18.6 N•m)
to obtain a good seal.
7. Install the retaining ring (14) and
air cap (13b).
8. Dampen a soft cloth with solvent and wring
out the excess. Point the gun down and
wipe off the outside of the gun.
9. After cleaning the gun, lubricate the follow-
ing parts with lubricant 111265 daily:
• fluid control valve threads
• trigger pivot pin
• fluid needle shaft
Compliant Cleaning Methods
1. Place spray gun in a gun washer that com-
pletely encloses gun and components dur-
ing cleaning, rinsing, and draining.
2. Spray solvent through the spray gun into a
closed gun cleaning station.
CAUTION
• Do not submerge gun in solvent. Solvent
dissolves lubricant, dries out packings, and
clogs air passages.
• Do not use metal tools to clean air cap
holes as this may scratch them and distort
the spray pattern.
• Use a compatible solvent.
CAUTION
Trigger the gun whenever you tighten or
remove the nozzle. This keeps the needle tip
away from the nozzle seating surface and
prevents the tip from being damaged.
• To clean out air cap holes, use a soft
implement, such as a toothpick, to
avoid damaging critical surfaces.
• Clean the air cap and fluid nozzle daily,
minimum. Some applications require
more frequent cleaning.
• Do not soak the air cap retaining ring in
solvent for prolonged periods of time.