23
Model 5454 Operating Procedures
Step 4
Assemble the mix inlet fitting. Slide the o-ring into the
groove on the mix inlet fitting and lubricate the fitting
as shown below.
Figure 29
Attach the poppet and spring to the end of the mix inlet
fitting above the o-ring. The spring must be securely
fastened and must not be allowed to float freely.
Note: The rubber poppet and spring act as a pr essure
relief valve to prevent a pressure build-up in the
freezing cylinder.
Figure 30
Insert the mix inlet fitting into the hole in the bas e oft he
valve body.
Figure 31
Secure the pump parts in position by sliding the
retaining pin through the cross holes located at the
bottom of the pump cylinder.
Figure 32