Operating Manual
Servicing Procedures
10/3/01
21
End Cap and Air Piston O-Ring and Cup Seal
Replacement
TOOLS REQUIRED
•
Adjustable Wrench
•
1/2” Open-End Wrench
•
5/16” Spintite
•
9/64” Ball Point Hex Key
Figure 12. End Cap Assembly and Piston Assembly Removal
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. Using a rag soaked with Gun Cleaner, wipe clean the
face of the Coupling Block to prevent material build-up.
3.
CLEAN THE GUN- See the Cleaning Procedure section of this manual.
WARNING: D
ISCONNECT THE AIR SUPPLY FROM THE GUN BEFORE PROCEEDING
. B
ODILY
INJURY AND
/
OR PROPERTY DAMAGE MAY RESULT FROM ACCIDENTAL OPERATION OF THE GUN
WITH THE END CAP REMOVED
.
4.
LOOSEN THE REAR SEAL RETAINER ASSEMBLY- Using the 1/2” Open-End
Wrench, back out the Retainer Assembly one or two turns.