Alemite 8323-A Посібник з обслуговування та експлуатації - Сторінка 17
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CHECK VALVE SERVICING
Before servicing the check valve
components, irst shut off the suction
line and then the discharge line to the
pump. Next, shut off the compressed
air supply, bleed air pressure from the
pump, and disconnect the air supply
line from the pump. Drain any remaining
luid from the pump. The pump can now
be removed for service.
To a c c e s s t h e c h e c k v a l v e
components, remove the manifold
(item 20 or item 19 not shown). Use a
/
" wrench or socket to remove
1
2
the fasteners. Once the manifold is
removed, the check valve components
can be seen.
For Model 8323: Inspect the check
balls (items 2) for wear, abrasion, or
cuts on the spherical surface. The
check valve seats (item 29) should be
inspected for cuts, abrasive wear, or
embedded material on the surfaces of
both the external and internal chambers.
The spherical surface of the check
balls must seat lush to the surface of
the check valve seats for the pump to
operate to peak eficiency. Replace any
worn or damaged parts as necessary.
Re-assemble the check valve
components. The seat should it into
the counter bore of the outer chamber.
The pump can now be reassembled,
reconnected and returned to operation.
For Model 8323-A: Inspect the
check balls (items 2) for wear, abrasion,
or cuts on the spherical surface. The
check valve seats (item 29) and FEP-
Encapsulated o-rings (item 33) should
be inspected for cuts, abrasive wear, or
damage. Replace any worn or damaged
parts as necessary.
Alemite s1fmdl1sm-rev0211
Check Valve Drawing
20
9
30
2
29
32
29
32
Aluminum Seats
Encapsulated O-rings
Used on Model 8323-A
Models 8323 & 8323-A Page 15