Maintenance - Graco HVLP Series Instructions-Parts List Manual

Cleaning the Spray Gun
1. Clean gun and cup by hand with compatible
solvent or place them in gun washer with trigger
held open; cycle washer as necessary to clean
gun.
2. Remove air cap retaining ring (13), air cap (15),
nozzle (14a) and o–ring (4). See Fig. 17.
3. Trigger gun while using you hand to remove the
fluid nozzle (14a). See Fig. 17.
CAUTION
Trigger the gun whenever you tighten or remove
the nozzle. This keeps the needle seat away from
the nozzle seating surface and prevents the seat
from being scratched.
4
13
Fig. 17
4. Clean the air cap retaining ring, air cap, and fluid
nozzle with water or solvent.
5. 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.
Fig. 18
14 309205

Maintenance

Gun
14a
15
TI0884
02007
6. With the gun pointed down, clean the front of the
gun, using the soft-bristle brush and solvent.
Fig. 19
7. Scrub the air cap retaining ring, air cap, and fluid
nozzle with the soft-bristle brush. To clean out air
cap holes, use a soft implement, such as a tooth-
T
pick, 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.
Fig. 20
TI0817
TI0813