Operating Manual
Servicing Procedures
10/3/01
23
Trigger Valve O-Ring Replacement
TOOLS REQUIRED
•
5/32” Hex Key
•
3/8” x 5/16” Open-End Wrench
•
3/16” Hex Key
•
Pin Punch of ¼” diameter or less
•
6” Adjustable Wrench
•
Ball Peen Hammer
•
6” Pliers
WARNING: D
ISCONNECT THE CHEMICAL HOSES AND AIRLINE BEFORE SERVICING THE GUN
.
I
N ADDITION
,
BE SURE TO CLEAN THE
“C
ENTERLINE
C
OMPONENTS
”
WITH THE
G
UN
S
ERVICE
K
IT PRIOR TO REMOVAL FOR SERVICING AS THEY ARE EXPOSED TO THE CHEMICAL
1.
CLOSE BOTH MANUAL VALVES- Using the 5/16” Spintite turn each Manual
Valve fully clockwise.
2.
REMOVE THE GUN FROM THE COUPLING BLOCK- Using the 5/16" Spintite,
remove the Coupling Block Mounting Screw. Separate the gun from the Coupling
Block. Using a rag soaked with gun cleaner wipe clean the face of the Coupling
Block to prevent material build-up.
3.
REMOVE THE TRIGGER LEVER- Using the 6” Adjustable Wrench and the 6”
Pliers remove the Screw and Locknut that hold the Trigger Lever in place. Remove
the Trigger Lever.
4.
REMOVE THE VALVE RETAINER NUT- Using the 3/8” end of the 3/8” x 5/16”
Open-End Wrench, remove the Valve Retainer Nut. This is the hex shaped nut that
surrounds the brass Spool Valve and holds it in place.
Figure 13. Trigger/Air Valve Assembly
