1
0
Head Adjustment
Between 3 and 4 screw threads should be present once the
locking nut to secure the head to the pump base has been
tightened. Reference Figure 19.
Figure 19
An adjustment should be performed to minimize friction
between the coupling and pump housing. Reference
Figure 20.
Figure 20
3 to 4 threads
should be visible
Adjust coupling to
minimize interface
