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Repair
Air Swivel and
Exhaust Valve Replacement
1. See Prepare the Gun for Service, page 39.
2. To replace the air exhaust valve:
a. Remove the cl
amp (36) and the exhaust tube
(35).
b. Unscrew the s
wivel (21) from the gun handle
(16). The sw
ivel is a left-hand thread.
Remove the b
racket (7).
c. Pull the exh
aust valve (8) from the handle
(16). Inspe
ct the o-ring (8a) and replace if
necessary
.
d. Install th
e o-ring (8a*) on the exhaust valve
(8). Lubri
cate the o-ring with a light coating
of non-sil
icone grease.
e. Install t
he exhaust valve (8) in the handle
(16).
f. Apply thr
ead sealant to the top threads of
the swive
l (21). Position the bracket (7) and
screw th
e swivel into the gun handle (16).
Torque t
o 75–85 in-lb (8.4–9.6 N•m).
g. Install
the tube (35) and clamp (36).
3. To repl
ace the air inlet swivel:
a. Unscrew the swivel (21) from the gun handle
(16). The swivel is a left-hand thread.
b. Apply thread sealant to the top threads of the
swivel. Screw the swivel into the gun handle.
Torque to 75–85 in-lb (8.4–9.6 N•m).
Figure 44 Air Inlet Fitting and Air Exhaust Valve
3A2495C 53