26
Model C712Operating Procedures
Step 20
Install the front drip tray and splash shield under the
door spouts. (See Figure 49.)
Figure 49
Mix Pump Assembly
Step 1
Inspect the rubber pump parts. O-rings and gasket
must be in 100% good condition for the pump and
entire machine to operate properly. The o-rings and
gasket cannot properly serve their intended function
if nicks, cuts, or holes in the material are present.
Replace any defective parts immediately and
discard the old.
Step 2
Assemble the piston. Slide the red o-ring into the
groove of the piston. DO NOT lubricate the o-ring.
(See Figure 50.)
Figure 50
Step 3
Apply a thin layer of lubricant to the inside of the
pump cylinder at the retaining pin hole end. (See
Figure 51.)
Figure 51
Step 4
Insert the piston into the retaining pin hole end of the
pump cylinder. (See Figure 52.)
Figure 52
Step 5
Assemble the valve cap. Slide the o-ring into the
groove of the valve cap. DO NOT lubricate the
o-ring. (See Figure 53.)
Figure 53