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Replacing the Air Valve
1. Loosen quick disconnect coupling (24) and remove
handle (23). See Fig. 24 and parts list.
1
23
C
24
A
42
Fig. 24
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.
18
308810
Service
5. Using installation/removal tab, insert valve
6. Hand tighten handle tube (22) into gun body (1) to
B
7. Install handle (23) and quick disconnect coupling
22
8231A
assembly (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.
capture valve assembly (42).
CAUTION
The use of tools to tighten handle tube will result in
severe damage to valve assembly.
(24). Torque quick disconnect coupling to 60 to 80
in-lb (7 to 9 NSm).
CAUTION
Do not assemble and torque quick disconnect cou-
pling to handle tube without installing handle. Se-
vere damage to valve assembly will result.
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