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 TM 9-2815-220-24
OIL PUMP REPAIR
0154 00
INSPECTION (Continued)
4. Measure inside diameter (A) of bushing (48) in level compartment cover (27). Replace oil
pump if not within specifications in the following table.
5. Inspect level compartment impellers (31 and 32).
a. Replace pump if any impeller has burrs, wear, cracked or broken teeth, or pitting at tooth
contact areas.
b. Measure length (B) of impellers (31, 32). Replace oil pump if not within specifications in
the following table.
c. Measure inside diameter (C) and outside diameter (D) of impeller (31). Replace oil pump
if not within specifications in the following table.
d. Measure outside diameter (E) of impeller (32). Replace oil pump if not within
specifications in the following table.
e. Inspect inside teeth of impeller (32). Replace oil pump if teeth have burrs, are worn,
cracked or broken, or have pitting at tooth contact areas.
Location
Sizes and Fit of New Parts
Wear Limits
inches (mm)
A
0.9850 (25.0190)
0.9860 (25.0444)
0.9870 (25.0698)
B
0.8000 (20.3200)
0.8010 (20.3454)
0.7990 (20.2946)
C
0.9860 (25.0444)
0.9865 (25.0571)
0.9870 (25.0698)
D
2.4774 (62.9259)
2.4778 (62.9361)
2.4769 (62.9158)
E
2.4794 (62.9767)
2.4798 (62.9869)
2.4798 (62.9666)
B
D
32
C
E
31
B
27
A
WP 0154 00-6
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