3M Series 52 - Spray Gun Cleaning Process

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Spray Gun Care and Cleaning cont.
ATTENTION
Solvent left in the spray gun air passages could result
in a poor quality paint finish. Do not use any cleaning
method which may allow solvent into the spray gun air
passages.Donotexposeairregulatorsandgaugesto
solvent as damage may occur.
Cleaning Process
1. Relievethepressurefromthespraygunbefore
servicing.
2. Refertoyouruidsourcemanual for removal and
cleaning.
3. Toretainunusedmaterialortemporarilystoremixed
material, see your Local, State, Federal and OSHA
guidelines,alongwithmaterialmanufacturer’s
recommendations for storage.
4. Flushthespraygun.Toushspraygun,runwateror
compatible and compliant solvent into the spray gun
uidpassagewhiletriggeringthe
spray gun.
5. Removetheretainingringandaircap.
6. Unscrew the uidneedletipwithngers.
7. 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.
8. Clean the front of the spray gun, using a soft-bristle
brush and solvent.
9. Scrubtheretainingring,aircapanduidnozzle
with a soft-bristle brush. To clean out air cap holes,
use a small brush.
10.Cleantheaircapanduidnozzleaftereachuse.Donot
use metal tools to clean the air cap holes as this may
scratch them; scratches can distort the spray pattern.
Do not soak the retaining ring in solvent for prolonged
periods of time.
11.Threaduidneedletiponngertight.Tightenthe
nozzle securely to obtain a good seal.
12. Install the retaining ring and air cap.
13. Dampen a soft cloth with solvent and wring-out the
excess.Wipeofftheoutsideofthespraygun.
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