26
Models PH71/PH84Operating Procedures
Step 3
Put a small amount of lubricant on the inside diameter
of the piston. Insert the valve body into the piston.
Figure 20
Step 4
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 21
Insert the assembled piston and valve body into the
pump cylinder and push upwards. Align the steel
button at the base of the valve body with the cut-out
groove at the bottom of the pump cylinder.
Figure 22
Note: The drive hole in the piston must be visible
through the drive hole in the pump cylinder .
Step 5
Assemble the mix inlet tube assembly. Slide the o-ring
and seal into the grooves on the inlet fittings and
thoroughly lubricate.
Figure 23
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