GUSMER GX-8, Руководство по эксплуатации, Страница: 27 / 32

Operating Manual Servicing Procedures
4/21/99 27
Trigger Valve O-Ring Replacement
TOOLS REQUIRED
•
5/32” Hex Key (P/N 0902-5/32)
•
3/16” Hex Key (P/N 0902-3/16)
•
6” Adjustable Wrench (P/N 0908)
•
6”Pliers (P/N 0906)
•
3/8” x 5/16” Open End Wrench (P/N 1982A)
•
Pin Punch of ¼” diameter or less (Not Included in Tool Kit)
•
Ball Peen Hammer (Not Included in Tool Kit)
WARNING: D
ISCONNECT THE CHEMICAL HOSES AND AIRLINE BEFORE SERVICING THE GUN
.
I
N ADDITION
,
BE SURE TO CLEAN THE
“C
ENTER
L
INE
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. DISCONNECT AIR SUPPLY FROM GUN
4. REMOVE 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.
5. REMOVE 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 16. Trigger/Air Valve Assembly