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Repair
30 309295N
Fluid Needle Replacement
1. Prepare the gun for service, page 25.
2. Remove the air cap assembly and seat housing,
page 26.
3. Remove the barrel (16), page 31.
4. Remove the trigger screws (8) and trigger (30).
5. Remove the spring cap (45) and the spring (26a)
from the barrel. See F
IG. 13.
6. Place the 2 mm driver (44) in the back of the fluid
needle assembly. Push the tool in and turn it coun-
terclockwise about 12 full turns to unthread the nee-
dle.
7. Using the u-shaped tool (37), pull back on the pack-
ing nut (N) to remove the fluid needle assembly. See
F
IG. 14.
8. Install the fluid needle assembly in the gun barrel.
Push in on the needle with the 2 mm driver (44) and
tighten. See F
IG. 15.
9. Install the spring (26a).
10. Install the spring cap (45), making sure the ground-
ing spring (55) is in place.
11. Install the trigger (30) and screws (8).
12. Install the barrel (16), page 31.
13. Install the seat housing and air cap, page 26.
14. Test gun resistance, page 18.
Fig. 13. Spring Cap and Springs
Fig. 14. Fluid Needle Removal
Fig. 15. Fluid Needle Replacement
CAUTION
To avoid damaging the seat housing and gun barrel,
never overtighten the seat housing. Overtightening
may result in improper fluid shutoff.
TI1618A
30
8
26a
45
55
37
N
TI1526B
30
8