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Repair
Reassemble the
the Standard
Reassemble
Reassemble
the
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:
TIP:
TIP: If you are also repairing or servicing the center
section, see
Center Section Repair, page
you put the diaphragms back on.
1. Lubricate and install the shaft u-cups (110) so
out
the lips face
out
out
2. Assemble diaphragm (10), backer (11) if present,
and plate (9) onto plate (12) with screw (14).
Rounded side of plate (9) should face diaphragm.
Make sure the side marked AIR SIDE faces the
center housing.
NOTE:
NOTE: Thread locker must be applied to screw
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.
3. Screw assembled diaphragm assembly into shaft
(24) and hand tighten.
14
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Standard Diaphragms
Diaphragms
Standard
Diaphragms
NOTICE
NOTICE
NOTICE
17, before
of the housing (101).
Springer Pumps, LLC
4. Grease the length of the diaphragm shaft (24),
and slide it through the housing (101).
5. Assemble the other diaphragm assembly to the
shaft as explained in step 2.
6. Using a 5/8 in. wrench hold the wrench flats of
one diaphragm assembly and torque the other
diaphragm to 60-70 ft-lb (81-94 N•m).
NOTE: Apply waterproof, sanitary lubricant to the
NOTE:
NOTE:
clamp (21) and clamping surface of the cover (4,
15) to ease assembly.
7. Align the fluid covers (15) and the center
housing. Secure the covers with the clamps
(21) and hand tighten. The opposing diaphragm
may protrude away from the center housing
after the first fluid cover is secured, leaving
a gap between the center housing and the
second fluid cover. Do not try to force the
diaphragm into position. Instead, use the
diaphragm install tool to position the diaphragm
and allow fluid cover installation. Refer to
Using Diaphragm Install Tool, page 10
of the diaphragm install tool to position the
diaphragm and allow fluid cover installation.
NOTE: Use a food grade anti-seize lubricant on
NOTE:
NOTE:
the clamp threads to aid assembly.
8. Reassemble the ball check valves and manifolds
as explained in
Check Valve Repair, page 12
Website: www.springerpumps.com
for use
3A6780C
Int'l: +001 267 404 2910
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