Operating Manual
Maintenance
5/5/97
25
1.
INSPECT GUN BLOCK AND GUN BLOCK PARTS BEFORE
ASSEMBLY-it is important for the correct operation of the gun that all
parts are cleaned and free from damage in any way. Inspect the
individual parts for proper condition before commencing with the
assembly.
NOTE: When the felt wiper is
removed, care should be taken
to keep the rear of the
2.
INSTALL MIXING CHAMBER-remove the felt wiper assembly from
the rear of the mixing chamber.
chamber in the upright
position to prevent possible
loss of the chamber pieces.
determine that the brass
retaining sleeve has not stuck
to the felt wiper.
Insert the chamber into the gun
block using care to align the
keyway machined into the
chamber with the pin protruding
from the top of the chamber
hole in the block.
Figure 27. Mixing Chamber
Press the chamber into the block
so that the flange is 1/32 to 1/16
inch above the face of the gun
block.
Figure 28. Mixing Chamber Location
3.
THREAD FELT WIPER ASSEMBLY INTO BACK OF MIXING
CHAMBER-do not tighten the felt wiper down, just thread it in until
you feel it seat against the rear packing in the chamber.
Caution Failure to install the felt wiper in the rear of the chamber could
allow internal chamber parts to fall out when the chamber is tapped into
place.