Graco HVLP-Turbine Gun Instructions-Parts List Manual page 18

Replacing Air Valve (Kit 243840)
The air valve (25) cannot be repaired. If it is damaged,
the entire piece must be replaced. To remove air valve:
1 Using a screwdriver, gently push valve back out
about 0.25 in.
2 Gently pull it out of the back of the gun.
3 Insert new air valve.
4 Twist counter-clockwise, approximately one-half
turn) until it is securely seated in back of gun. Fig.
24.
F . 24
IG
18
ti5160a
Replacing Duckbill Valve
(Kit 244135)
If the duckbill valve is worn or broken, replace it with a
new one immediately. To replace the duckbill valve:
1 Lift cover away from cup.
2 Using a screwdriver, slightly pull worn duckbill valve
and o-ring out of lid.
3 Put o-ring on new duckbill valve.
4 Press new duckbill valve and o-ring on the lid. Fig.
25.
F . 25
IG
Service
Duckbill valve
TI0810
309205R