REPLACING THE DUCKBILL VALVE
1.
Use a coin or bottle top key
(Field Repair Kit) to unscrew
the brass valve plug.
2.
Remove the rubber
grommet, metal shim,
and retaining ring.
3.
4.
Remove the duckbill
valve and replace it with
a new one.
Replace the retaining ring first, then the
metal shim, and the rubber grommet last.
Replace the brass valve plug and tighten
until hand-tight. DO NOT over tighten.
5.
V.
REPLACING CHECK VALVES
1.
Disconnect tubing from the gun.
Unscrew the front tip cover and remove the front tip
adapter, and unscrew the rear check valve housing.
2.
IV.
11
Duckbill Valve
Rubber Grommet
Metal Shim
Retaining Ring
Brass Valve Plug
Main Bottle Valve
Dip Tube
X-Ring
Hose Barb
Front tip
cover
Front tip
adapter
Rear check
valve housing