VERDER HI-CLEAN VA-2H52, Repair Parts

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Repair
Standard Standard Standard Diaphragm Diaphragm Diaphragm Repair Repair Repair
NOTE: NOTE: NOTE: Overmolded diaphragms are covered in
Overmolded Diaphragm Repair, page 16 .
Tools Tools
Tools Required:
Required:
Required:
• Torque wrench
• 5/8 in. wrench
• 19 mm open end wrench
• O-ring pick
• Lithium base grease
NOTE: NOTE: NOTE: Center section gasket is dependent on
diaphragm material. If changing diaphragm material,
it may be necessary to also replace the center
section air cover gaskets. See
Diaphragms, page 29 ,
for affected air cover gaskets.
Disassemble Disassemble Disassemble the the the Standard Standard Standard Diaphragms Diaphragms Diaphragms
NOTE: NOTE: NOTE: Diaphragm kits are available in a range of
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 12 .
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 on the plates (Y)
of each diaphragm assembly and loosen. One
diaphragm assembly will come free and the other
will remain attached to the shaft.
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 19 .
9. Clean all parts and inspect for wear or damage.
Replace parts as needed.
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