25
Models 8752, 8756, 8757 Operating Procedures
Note: Check bands have two smooth surfaces. A
concave shape indicates an incorrect assembly. Turn
the check band inside out to correctly expose the flat
surface.
Figure 19
Step 3
Put a small amount of lubricant inside the piston and
insert the liquid valve body into the piston.
Apply a small amount of lubricant to the lower inside
diameter of the pump cylinder to a depth equivalent to
the length of your index finger. Once applied, the
amount of lubricant should be equal to a paper- thin
film.
Figure 20
Insert the assembled piston and liquid valve body into
the pump cylinder and push upwards. Align the steel
button at the base of the liquid valve body with the
cut-out groove at the bottom of the pump cylinder.
Note: The drive hole in the piston must be visible
through the drive hole in the pump cylinder.
Figure 21
Step 4
Assemble the mix inlet fitting. Slide the o- ring into the
groove on the mix inlet fitting and lubricate with Taylor
Lube.
Figure 22
Attacht he spring and poppet to the end of t he mix inlet
fitting above the o- ring. The spring must be securely
fastened and not allowed to float freely.
Note: Therubber poppet andspring act as a pressure
relief valve to prevent a pressure build- up in the
freezing cylinder.
Figure 23