
GAP Pro Spray Gun
14
36943-1, Issue 1
5.
CLEAN AND INSPECT THE SIDE SEAL ASSEMBLY COMPONENTS–
Remove the Check Valve. Clean the valve with gun cleaner. Inspect, and replace if
damaged. Remove the Side Seal. Inspect it, and the O-Ring, replace if damaged.
WARNING:
D
O NOT CLEAN THE
S
IDE
S
EAL
(
S
)
WITH A POCKETKNIFE
,
RAZOR BLADE
,
OR ANY
OTHER TOOL WHICH COULD MAR OR SCRATCH THE SUFRACE
. U
SE A WOODEN
/
PLASTIC
SCRAPER TOOL OR BRASS BRUSH INSTEAD
.
NOTE:
Repeat Steps 4, 5, and 6 for the
opposite Side Block and proceed
to Step 7.
6.
CLEAN ALL COMPONENTS THOROUGHLY
-Using the appropriate Brass
Brushes, Clean Out Drills, etc. remove residual chemical from the Gun Block. This
is important to ensure unrestricted movement of the Mixing Chamber. Use Cotton
Swabs soaked with Gun Cleaner if necessary.
7.
REINSTALL THE SIDE SEAL
ASSEMBLY
-
a) Place Check Valve Assembly
in the Check Valve Retainer
and thread into the Side
Block by hand. Using a 1/2”
Wrench tighten the Side Seal
Assembly by one quarter of a
full turn and
No More
.
WARNING:
T
IGHTENING ANY MORE
THAN ONE QUARTER OF A TURN CAN
DAMAGE THE
C
HECK
V
ALVE AND OR
R
ETAINER AND MAY CAUSE LEAKAGE
WHEN THE GUN IS PRESSURIZED
.
Figure 8. Tightning the Check Valve
Retainer
b) Place Spring In Check Valve Retainer
c) Lightly coat the O-Ring with grease and install it on the Side Seal.
d) Push the Side Seal into Check Valve Retainer until the O-Ring engages the
detent groove and remains in place.
8.
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.
9.
PERFORM START UP PROCEDURE
- See Daily Start Up Procedure on Page 11.
Mixing Chamber and Gun Block Service Procedure
TOOLS REQUIRED
•
5/16” Spintite
•
6” Pliers
•
Brass Brushes
•
3/16” Open End Wrench
(or Needle Nose Pliers)
•
Clean Out Drills
•
6” Adjustable Wrench
•
Gun Cleaner