Air
Air
Air Swivel
Swivel
Swivel and
and
and Exhaust
Exhaust
Exhaust Valve
Valve
Valve
Replacement
Replacement
Replacement
1.
Follow the steps in
Prepare the Gun for Service, page 58
2.
To replace the air exhaust valve:
a.
Remove the clamp (43) and the exhaust tube
(36).
b.
Unscrew the swivel (21) from the gun handle
(16). The swivel is a left-hand thread.
Remove the bracket (104).
c.
Pull the exhaust valve (19) from the handle
(16). Inspect the o-ring (19a) and replace if
necessary.
d.
Install the o-ring (19a*) on the exhaust valve
(19). Lubricate the o-ring with a light coating
of non-silicone grease.
e.
Install the exhaust valve (19) in the handle
(16).
f.
Apply thread sealant to the top threads of the
swivel (21). Position the bracket (104) and
screw the swivel into the gun handle (16).
Torque to 75–85 in-lb (8.4–9.6 N•m).
g.
Check that the nuts (102, 105) are tight.
h.
Install the tube (36) and clamp (43).
3.
To replace 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 57 Air Inlet Fitting and Air Exhaust Valve
74
3A2496H
