Graco PerformAA 15 - Page 33

Repair
3A8099A 33
Air Valve Replacement
Replace the air valve (21a) with kit 26B713.
1. Follow the Pressure Relief Procedure, page 15.
2. Loosen the air cartridge assembly (21) from the
back of the gun using the gun tool (29).
3. Pull the air cartridge assembly (21) out of the gun.
See F
IG. 42.
4. Follow the U-Cup Replacement Procedure,
page 31.
5. Pull the air valve (21a) and spring (21b) from the
cartridge enclosure (21d).
6. Insert a replacement air valve (21a) into the spring
(21b), and press the spring (21b) into the cartridge
enclosure (21d).
7. Lubricate the air valve tip, and install the air
cartridge assembly (21) into the back of the gun.
8. Torque to 175-185 in-lb (20-21 N•m). See F
IG. 42.
21c
21f
21h
21j
21b
21g
21k
21m
21n
21a
21e
21d
3
3
Torque to 175-185
in-lb (20-21 N•m)
1
Lubricate lightly
1
3
1
FIG. 47: Air cartridge assembly (for air assist models)