TM 5-2815-241-34&P
WATER PUMP - CONTINUED
ACTION
LOCATION
ITEM
REMARKS
INSPECTION - CONTINUED
9.
Impeller(l), shaft
(2), and pulley (3)
a.
Using bore gage, measure bore dia-
meter of impeller and pulley.
b.
Using O-to l-inch micrometer, mea-
sure shaft diameters that carry pulley
and impeller.
There must be a minimum of 0.001
inch (.025 mm) press fit between
bore diameters and shaft diameters.
10.
11.
12.
13.
14. Pulley (3)
ASSEMBLY
15.
Pulley (3) and
wear sleeve (5)
16. Pulley (3)
New wear sleeve (5)
Impeller (1)
Shaft (2)
Inspect for cracks and corrosion.
Discard if cracked or corroded.
a.
Using 12-inch straightedge, check for
straightness.
Discard if bent.
b.
Inspect all press fit mating surfaces.
Discard if scored.
Pulley (3)
Inspect for cracks, bends, or excess wear in
grooves.
Discard if cracked, bent, or worn.
Water pump body (4)
Inspect for cracks, damage from bearings
warpage, or damaged mating surfaces.
Discard if defective.
Wear sleeve (5)
NOTE
Inspect for grooves or excessive wear.
Replace if worn or if grooves are
noted. (See steps 16 and 17).
Perform steps 15 and 16 only if wear sleeve is to be replaced.
a.
Using 3/16-inch straight punch and 16
ounce ball-peen hammer, drive wear
sleeve out of pulley.
b. Discard wear sleeve.
a.
Position new wear sleeve in pulley hub.
b.
Using ST-1159 wear sleeve driver, drive
in new wear sleeve.
2-410
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