Standard Diaphragm Repair; Overmolded Diaphragm Repair; Repair - Graco SaniForce 2150 Repair Parts List Manual

Repair

Standard Diaphragm Diaphragm Repair
Standard Standard Diaphragm
NOTE: Overmolded diaphragms are covered in
NOTE: NOTE:
Overmolded Diaphragm Repair, page
Tools Tools Required Tools Required Required
• Torque wrench
• 5/8 in. wrench
• 19 mm open end wrench
• Diaphragm install tool (optional), kit 24V543
• O-ring pick
• Lithium base grease
NOTE: NOTE: Center section gasket is dependent on NOTE:
diaphragm material. If changing diaphragm material,
it may be necessary to also replace the center section
air cover gaskets. See
for affected diaphragm/gasket concerns.
Disassemble Disassemble Disassemble the the Standard the
NOTE: Diaphragm kits are available in a range of
NOTE: NOTE:
materials and styles. See Parts section.
1. Follow the Pressure Relief Procedure, page 9
2. Remove the manifolds and disassemble
the check valves as explained in
Check Valve Repair, page
3. Remove the clamps (21) from the fluid covers (4,
15), then pull the fluid covers off of the pump.
4. With both fluid covers removed, using two 5/8 in.
wrenches, hold the wrench flats (Y) on the plates
of each diaphragm assembly and loosen. One
diaphragm assembly will come free and the other
will remain attached to the shaft.
14
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Repair
Repair
16.
Diaphragms
Standard Diaphragms Standard Diaphragms Diaphragms
12.
Springer Pumps, LLC
5. Disassemble the free diaphragm assembly.
6. Remove plate (12) with bolt (14) installed,
diaphragm (10), backer (11) if present, and plate
(9).
7. Pull the other diaphragm assembly and the
diaphragm shaft (24) out of the center housing
(101). Hold the shaft flats with a 19 mm open end
wrench, and remove the diaphragm assembly
from the shaft. Disassemble the remaining
diaphragm assembly.
8. Inspect the diaphragm shaft (24) for wear or
scratches. If it is damaged, inspect the bearings
.
(111) in place. If the bearings are damaged, refer
to Center Section Repair, page
9. Reach into the center housing (101) with an
o-ring pick and hook the u-cups (106), then pull
them out of the housing. This can be done with
the bearings (111) in place.
10. Clean all parts and inspect for wear or damage.
Replace parts as needed.
18.
3A6782D
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