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Repair
Reassemble
Reassemble the
Reassemble
the
the Overmolded
Overmolded
Overmolded Diaphragms
NOTICE
NOTICE
NOTICE
After reassembly, allow the thread locker to cure
for 12 hours, or per manufacturer's instructions,
prior to operating the pump. Damage to the pump
will occur if the diaphragm shaft bolt loosens.
TIP: If you are also repairing or servicing the center
TIP:
TIP:
section, see
Center Section Repair, page
you put the diaphragms back on.
1. Lubricate and install the shaft u-cups (106) so
out
out
out
the lips face
of the housing (101) and toward
the bearing (107) they are behind.
2. Assemble plate (9) onto diaphragm (10), with
screw (14). Rounded side of plate (9) should
face diaphragm. Make sure the side marked AIR
SIDE faces the center housing.
NOTE: Thread locker must be applied to screw
NOTE:
NOTE:
(14) as shown for all diaphragm assemblies.
Apply a high-strength thread locker to
1
attach the screw to the diaphragm plate,
if needed.
Apply a medium-strength thread locker
to the shaft side of the screw.
16
Diaphragms
Diaphragms
3. Screw assembled diaphragm assembly into shaft
4. Grease the length of the diaphragm shaft (24),
5. Assemble the other diaphragm assembly to the
6. Grip both diaphragms securely around their outer
18, before
7. Align the fluid covers (15) and the center housing.
8. Reassemble the ball check valves and manifolds
(24) and hand tighten.
and slide it through the housing (101).
shaft as explained in step 2.
edges and rotate clockwise until bottomed on the
shaft.
NOTE:
NOTE: Apply waterproof, sanitary lubricant to the
NOTE:
clamp (21) and clamping surface of the cover
(15) to ease assembly.
NOTE: Fluid cover movement may be needed
NOTE:
NOTE:
when installing manifolds. Install cover clamps
loose enough to allow cover movement for
spacing and alignment of manifolds.
NOTE: Use a food grade anti-seize lubricant on
NOTE:
NOTE:
the clamp threads to aid assembly.
Secure the covers with the clamps (21) and
hand tighten. If, after installing the first fluid
cover, the opposing diaphragm protrudes away
from the center housing, leaving a gap between
the center housing and the second fluid cover,
do not try to force the diaphragm into position.
Instead, complete the following procedures
in
Using Diaphragm Install Tool, page
position the diaphragm and allow fluid cover
installation.
as explained in
Check Valve Repair, page
17, to
12.
812.0066
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