H y p o c h l o r i n a t o r Pumping Head
any reason it must be adjusted after replacement.
Diaghragm
follows :
(1) Set length of stroke adjustment at highest
to remove and install the hypochlorinator pumping
mark on scale.
head diaphragm.
(1) The pumping head diaphragm is located
(2) Engage diaphragm on pump shaft, push on
center of diaphragm and then pull forward to lost
behind the pump body.
motion out of pump shaft assembly.
(2) When installing the pump body assembly,
tighten nuts hand-tight; then secure the assembly
(3) Screw diaphragm on shaft to such a point
that center of diaphragm has 1/8-inch clearance
by tightening clamping screw.
below a straight edge laid across flat portion of
b. Inspection. Inspect diaphragm for breaks,
diaphragm.
cracks, or other damage. Replace if necessary,
c. Adjustment. If the diaphragm is removed for
Figure 3-4. Hypochlorinator pumping head diaphragm, removal and installation.