| Tweet |
Custom Search
|
|
|
||
 TM 55-1905-219-14-8
4-7.4A. PUMP - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
INSPECTION (Cont)
d. Water seal
1. Surfaces are
surfaces
polished finish.
2. Wipe with soft
clean cloth.
3. Inspect for nicks,
scoring, chipping,
and distortion.
e. All parts
Inspect all parts for
Discard.
nicks, scoring, chip-
ping, or distoriton.
f. Impeller
Inspect for ridges,
Replace if
scoring, or nicks.
impeller cannot
be repaired.
g. Impeller
1. Carefully smooth
wear ring
out ridges, scor-
ing, or minor nicks
with fine emery
cloth.
2. Excessive machining
of impeller suction
rings can cause
damage to impeller
capacity for pumping.
h. Pump hous-
Inspect for accumu-
Remove deposits
ing wear-
lations of deposits of
with fine emery
ing
foreign material.
cloth.
i. Wear rings
Inspect for signs of
1. Replace if
(items g
rubbing, damage, dis-
necessary.
and h above)
tortion, or impairing
the rotation of the
2. The differ-
impeller.
ences in the
diameters of
the wear
rings and
the impeller
should not
exceed 0.040
inch (0.102
cm).
4-323
|
||
|
||
