GUSMER
Model D Spray Gun
26
2943J-1-ID Issue 2
4.
TAP CHAMBER INTO
PLACE- with the gun block held
in the palm of your hand, place
the mixing chamber insertion
block over the nose of the
chamber so that it rests squarely
on the chamber flange. Firmly
tap the insertion
block with the 4 oz. ballpein
Figure 29. Mixing Chamber Insertion
hammer until the flange of the chamber is flush with the face of the gun
block.
5.
MOUNT GUN BLOCK ON GUN FRAME.
NOTE: If a new felt wiper is
being used, push the valving
rod through the felt with the
retainer case off the chamber.
Remove any felt buildup on
the tip.
6.
INSTALL VALVING ROD ASSEMBLY- Put the valving rod
assembly through the piston in the air cylinder and guide it through the
center of the felt wiper retainer mounted on the back of the chamber.
Using firm pressure, carefully push the valving rod into the mixing
chamber until the piston of the air cylinder bottoms out.
Now look at the tip of the mixing chamber and note the length of the
valving rod that is exposed. If it is more or less than 1/32 inch the
valving rod must be adjusted as follows:
a)
Remove the valving rod from the gun.
b)
Loosen the valving rod
positioner and adjust it in the
appropriate direction to
shorten or lengthen the
length of the valving rod as
required.
c)
Lock the valving rod stop
bar against the positioner.
d)
Lock the valving rod stop
bar against the positioner.
Figure 30. Valving Rod Positioner
7.
REPLACE VALVING ROD CLOSURE SPRING AND SPRING
RETAINER CASE
8.
REPLACE AIR CAP
9.
REPLACE CHECK VALVES AND SCREEN SCREW ASSEMBLY
10.
MOUNT GUN ONTO COUPLING BLOCK