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Models 8752, 8756, 8757 Operating Procedures
140306
Step 6
Secure the air/mix pump. Place the pump collar over
the pump cylinder. (The cross holes of the pump collar
should be on top.)
Figure 28
Align the drive hole in the piston to the ball crank of the
motor reducer. At the same time, align the locating pin
hole in the pump cylinder to the locating pin on the face
plate.
Figure 29
Slide the pump collar upwards into the grooves on the
side of the face plate and secure the air/mix pump in
place by slipping the retaining pin through the cross
holes of the pump collar.
Figure 30
Note: Alignment of the air/mix pump is extremely
important. Severe and costly damage may occur if it is
not properly aligned.
Step 7
Lubricate both sides of the pressure switch
diaphragm.
Figure 31
Step 8
Place the diaphragm on the front face of the pressure
switch housing. The lubricant will act as an adhesive
to hold the diaphragm in place.
Note: DO NOT place the diaphragm in the pressure
switch cap.
Step 9
Screw the cap onto the housing securely.
Figure 32
Repeat Steps 1 through 8 for the other side of the
freezer on the Models 8756 and 8757.