TM 9-2815-225-34&P
3-64. WATER PUMP REPAIR (Contd)
LOCATION/ITEM
ACTION
REMARKS
c. Inspection
19.
Two bearings (8) and
Inspect for wear and damage.
Replace if worn or damaged.
bearing (23)
20.
Shaft (7) and shaft (24)
Inspect for:
a. Wear on outside diameter
Replace if worn or damaged.
of bearing surfaces.
b. Straightness and damage.
Replace if bent or damaged.
c. Measure impeller (2) end of
Outside diameter of impeller (2)
shaft (7).
end of shaft (7) should be 0.001 in.
(0.025 mm) bigger than bore of
impeller (2). Replace shaft (7) if less
than 0.001 in. (0.025 mm).
21.
Impeller (2)
a. Inspect for cracks, corrosion,
Replace if cracked, corroded,
or wear.
or worn.
b. Measure the bore.
Refer to step 20c.
3-524
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