Graco Inc. 313516C Paint Sprayer User Manual


 
Operation
20 313516C
General System Maintenance
Perform Pressure Relief Procedure,
page 18.
Clean the fluid and air line filters daily.
Check for any fluid leakage from the gun
and fluid hoses. Tighten fittings or replace
equipment as needed.
Flush the gun before changing colors and
whenever you are done operating the gun.
Clean and Flush Gun
1. Perform Pressure Relief Procedure,
page 18.
2. Shut off the gun fan and atomizing air.
3. Supply a compatible solvent to the gun fluid
inlet.
4. Point the gun down into a grounded metal
container, and flush the gun with solvent
until all traces of paint are removed from
the gun passages.
5. Perform Pressure Relief Procedure,
page 18.
6. Disconnect the solvent supply.
7. Remove the air cap retaining ring and air
cap.
8. Clean the air cap retaining ring, air cap,
and fluid nozzle with solvent.
9. 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.
10.With the gun pointed down, clean the front
of the gun, using the soft-bristle brush and
solvent.
11.Scrub the air cap retaining ring, air cap,
and fluid nozzle with the soft-bristle brush
(see F
IG. 15). 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.
12.Install the air cap retaining ring and air cap.
13.Dampen a soft cloth with solvent and wring
out the excess. Point the gun down and
wipe off the outside of the gun.
NOTICE
Trigger the gun or remove the piston cap
whenever you tighten or remove the noz-
zle. This keeps the needle seat away from
the nozzle seating surface and prevents
the seat from being damaged.
FIG. 14: Use solvent-dipped soft-bristle brush
FIG. 15: Clean air cap, ring and fluid nozzle
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