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DETAIL
9
K
Fig. 24
5. Trigger gun while installing fluid nozzle (25) with
nozzle wrench (P). See Fig. 23.
6. Install spring (26) into front of gun.
7. Install detent plate (26) into gun housing with open
sockets (S) facing up; align detent plate tab (T)
with notch in gun housing. See Fig. 25.
8. Install air cap (29), aligning air cap balls (U) with
detent plate sockets (S). See Fig. 25. Secure air
cap with air cap retaining ring (28).
NOTE: If installed correctly, air cap will snap into 4
definite positions, with no loose rotation.
S
T
26
Fig. 25
Service
8
8078A
29
U
S
02966
1
23
C
24
A
42
Fig. 26
Replacing Air Valve
1. Loosen quick disconnect coupling (24) and remove
handle (23). See Fig. 26 and parts list.
2. Holding gun body (1) inverted, remove handle tube
(22) from gun body.
3. Using a needle–nose pliers, grasp valve assembly
(42) by installation/removal tab (A).
4. Clean valve seating shoulder (B) in gun body with
a brush and solvent.
5. Using installation/removal tab, insert valve assem-
bly (42) into gun body (1) with the hook of valve
(C) oriented towards the front of the gun. Make
sure valve assembly (42) is fully seated in the
locking flats in the gun body.
6. Hand tighten handle tube (22) into gun body (1) to
capture valve assembly (42).
CAUTION
The use of tools to tighten handle tube will result in
severe damage to valve assembly.
7. Install handle (23) and quick disconnect coupling
(24). Torque quick disconnect coupling to 60–80 in.
lbs.
CAUTION
Do not assemble and torque quick disconnect cou-
pling to handle tube without installing handle. Se-
vere damage to valve assembly will result.
B
22
8231A
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