Air Swivel And Exhaust Valve; Replacement - Graco WB3000 Instructions - Parts Manual

Air Swivel and Exhaust Valve Replacement
1. See Prepare the Gun for Service, page
2. To replace the air exhaust valve:
a. Remove the clamp (36) and the exhaust tube
(35).
b. Unscrew the swivel (21) from the gun handle
(16). The swivel is a left-hand thread. Move
the bracket out of the way.
c. Pull the exhaust valve (8) from the handle
(16). Inspect the o-ring (8a) and replace if
necessary.
d. Install the o-ring (8a*) on the exhaust valve
(8). Lubricate the o-ring with a light coating
of non-silicone grease.
e. Install the exhaust valve (8) in the handle
(16).
f. Apply thread sealant to the top threads of the
swivel (21). Position the bracket and screw
the swivel into the gun handle (16). Torque
to 75–85 in-lb (8.4–9.6 N•m).
g. Install the tube (36) and clamp (43).
3A2497C
47. 3. To replace the air inlet swivel:
Figure 44 Air Inlet Fitting and Air Exhaust Valve
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).
Repair
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