Overmolded Diaphragm Repair - VERDER HI-CLEAN VA-2H80 Repair Parts

Overmolded Diaphragm Diaphragm Repair
Overmolded Overmolded Diaphragm
Tools Required: Tools Tools Required: Required:
• Torque wrench
• 7/8 in. open end wrench
• O-ring pick
• Diaphragm install tool (812.0268)
• Lithium base grease
NOTE: If changing diaphragm materials, center
NOTE: NOTE:
section gasket may also need to be replaced with
some diaphragm types. See
for affected fluid and air lines.
Disassemble Disassemble the Disassemble the Overmolded the Overmolded Diaphragms Overmolded
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
(15), then pull the fluid covers off of the pump.
4. Once the fluid covers are removed, the
diaphragm on the side of the pump which was
last pressurized with air will be separated from
the center section/air cover. This allows you to
grip the diaphragms.
812.0066
Repair
Repair
Diaphragms
Diaphragms Diaphragms
.
12.
5. Diaphragms are assembled hand tight. To
loosen, grip both diaphragms securely around
the outer edge and rotate counterclockwise. One
diaphragm assembly will come free and the other
will remain attached to the shaft. Remove the
freed diaphragm (10) and air side plate (9).
6. Pull the opposite diaphragm assembly and shaft
(24) out of the center housing (101). Hold the
shaft flats with a 7/8 in. open end wrench and
remove the diaphragm and air side plate from
the shaft.
7. Inspect the diaphragm shaft (24) for wear or
scratches. If it is damaged, inspect the bearings
(107) in place. If the bearings are damaged, refer
to Center Section Repair, page
8. Clean all parts and inspect for wear or damage.
Replace parts as needed.
Repair
18.
15