VERDER HI-CLEAN VA-2H80 Repair Parts page 14

Repair
Reassemble Reassemble the Reassemble the the Standard Standard Standard 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 (110) so
out out out
the lips face of the housing (101) and toward
the bearing (107) they are behind.
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: 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.
3. Screw assembled diaphragm assembly into shaft
(24) and hand tighten.
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.
14
Diaphragms Diaphragms
18, before
6. Using the 18 mm wrenches hold the wrench flats
of one diaphragm assembly and torque the other
diaphragm to 81-94 N•m (60-70 ft-lb).
NOTE: NOTE: Apply waterproof, sanitary lubricant to the NOTE:
clamp (21) and clamping surface of the cover
(15) to ease assembly.
NOTE: NOTE: NOTE: Fluid cover movement may be needed
when installing manifolds. Install cover clamps
loose enough to allow cover movement for
spacing and alignment of manifolds.
7. Align the fluid covers (15) and the center housing.
Secure the covers with the clamps (21) and hand
tighten.
NOTE: NOTE: Use a food grade anti-seize lubricant on NOTE:
the clamp threads to aid assembly.
8. Reassemble the ball check valves and manifolds
as explained in Check Valve Repair, page 12
812.0066