Graco 980 Instructions Manual page 15

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 (28), air cap (29),
spring (26), and detent plate (26). See Fig. 16.
3. Trigger gun while removing fluid nozzle (25) with
nozzle wrench (P), provided. See Fig. 16.
4. Remove gun fitting (19) from back of gun. Remove
needle for cleaning.
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.
P
25
26
29
28
Fig. 16
Maintenance
5. Soak air cap, detent plate and fluid nozzle in
solvent. At a minimum, clean air cap and fluid
nozzle daily. Use solvent and brush (R), provided.
See Fig. 17. Some applications require more
frequent cleaning. Keep all air cap holes clean.
Clean air cap horn holes with a non-metallic item to
avoid permanently damaging them.
Fig. 17
6. With gun pointed down, clean front of gun, using
brush and solvent.
7. Trigger gun while installing fluid nozzle (25) with
nozzle wrench (P). See Fig. 16.
8. Install spring (26) into front of gun.
9. Install detent plate (26) into gun housing with open
sockets (S) facing up; align detent plate tab (T)
8075A
with notch in gun housing. See Fig. 18.
10. Install air cap (29), aligning air cap balls (U) with
detent plate sockets (S). See Fig. 18. Secure air
cap with air cap retaining ring (28).
NOTE: If installed correctly, air cap will snap into four
definite positions, with no loose rotation.
S
T
26
Fig. 18
11. Lubricate gun after cleaning it as instructed on
page 16.
CAUTION
R
29
U
S
308810
02856
02966
15