TM 5-4320-302-14
5-4. PUMP AND BEARING HOUSING ASSEMBLY (CONT)
Location/Item
Action
Remarks
INSPECTION/TEST
18. Suction flange
Inspect for cracks, rust, corrosion, and for
damaged or stripped threads. Inspect mounting
surfaces. Make sure they are smooth and flat
with no nicks or burrs. If severely damaged or
cracked, replace suction flange.
19. Volute
Inspect volute for cracks, rust,
corrosion, or other damage. In-
spect mounting surfaces. Make
sure they are smooth and flat
with no nicks or burrs. Inspect
mounted studs. Make sure
they are not cracked, bent,
rusted, or corroded. Inspect
for damaged or stripped
threads. If severely damaged
or cracked, replace volute. Replace any studs
that are damaged, rusted, or corroded.
20. Impeller
Inspect impeller for cracks, broken blades, rust,
corrosion, or excessive wear. If severely damaged,
cracked, or worn, replace impeller.
21. Seal plate,
Inspect for cracks, rust, corrosion, or other
shaft slinger,
damage. Inspect mounting surfaces. Make sure
shaft sleeve,
they are smooth and flat. Inspect for excessive
and disc
wear where shaft sleeve and shaft slinger con-
coupling
tact seal plate. Replace damaged, cracked, or
excessively worn parts.
REPAIR
22. Suction
Repair minor nicks or burrs and/or smooth out
flange, volute,
mounting surfaces with P-C-458 crocus abrasive
and seal plate
cloth. Repair rust or corrosion in accordance
with MIL-T-704. Clean and treat interior or
mounting surfaces. Clean, treat, and refinish out-
side surfaces. Remove only a minimal amount of
surface material; replace parts if necessary.
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