
GAP Pro Spray Gun
16
36943-1, Issue 1
9.
REINSTALL THE SIDE BLOCKS ON THE GUN BLOCK-
Using the 5/16”
Spintite, alternately tighten the A and R Side Blocks to the Gun Block with the two
mounting screws. Make sure to sufficiently tighten the screws equally to prevent
leakage.
10.
PERFORM START UP PROCEDURE
- See Daily Start Up Procedure on Page 11.
End Cap and Air Piston O-Ring Service Procedure
TOOLS REQUIRED
•
5/16” Spintite
•
9/64” Hex Key
•
7/64” Ball Point Hex Key
•
6” Pliers
•
Lubriplate Grease
NOTE:
If only the End Cap O-Ring and/or
Safety Stop Cup Seal requires
replacing, see the
End Cap O-Ring and Safety Stop
Cup Seal Service Procedure on
page 18.
•
3/16” Open End Wrench
(or Needle Nose Pliers)
•
Retaining Ring Pliers
1.
PERFORM SHUTDOWN PROCEDURE-
See the Daily Shutdown Procedure on
Page 12.
2.
REMOVE THE GUN FROM THE SIDE BLOCKS-
Using the 5/16” Spintite,
alternately loosen the Side Block Mounting Screws. Carefully separate each Side
Block from the Gun Block. Wipe mating surfaces clean with a rag soaked in gun
cleaner. If the Side Blocks require servicing see the Side Block Service Procedure
on page 13.
3.
REMOVE THE GUN BLOCK-
Using the 5/16” Spintite, remove the two Gun
Block Mounting Screws. Carefully remove the Gun Block from the rest of the gun.
If removal is difficult, remove any dried chemical from the gun. Wipe mating
surfaces clean with a rag soaked in gun cleaner. Be sure to retain the O-Ring located
between the Gun Block and Mounting Flange.
4.
REMOVE THE MIXING CHAMBER
- Using the 3/16” Open End Wrench or
Needle Nose Pliers, hold the end of the Piston Rod. Turn the Mixing Chamber by
hand counter clockwise until it comes free. If chamber requires servicing, see the
Mixing Chamber and Gun Block Service Procedure.
5.
DISENGAGE THE SAFETY STOP
- Push in and turn the Safety Stop knob
counterclockwise to place the gun in the Open detented position.
6.
REMOVE CYLINDER CLAMP-
Using the 9/64” Ball Point Hex Key remove the
Socket Head Cap Screw and Clamp from the rear the Air Cylinder.
7.
REMOVE THE RETAINING RING-
Using the Retaining Ring Pliers remove the
Retaining Ring, which maintains the End Cap position in the Air Cylinder.
8.
REMOVE THE END CAP/SAFETY STOP ASSEMBLY-
Pull the Safety Stop
until it, and the attached End Cap come free from the Air Cylinder. Be sure to retain
the Piston Spring located inside of the Air Cylinder.
NOTE:
Removing the End Cap will require
some force since the
O-Ring is tightly compressed
9.
INSPECT THE END CAP O-RING-
Inspect the O-Ring. If damaged remove it
and install a new O-Ring after lightly coating it with Lubriplate Grease.