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 TM 9-2815-220-24
OIL PUMP REPAIR
0154 00
INSPECTION (Continued)
9. Measure outside diameter (A) of shaft (18). Replace oil pump if not within specifications in
the following table.
10. Inspect reserve compartment impellers (38 and 39).
a. Replace pump if any impeller has burrs, wear, cracked or broken teeth, or pitting at tooth
contact areas.
b. Measure length (B) of three impellers (38 and 39). Replace oil pump if not within
specifications in the following table.
c. Measure inside (C) and outside (D) diameter of two impellers (38). Replace oil pump if
not within specifications in the following table.
d. Measure outside diameter (E) of impeller (39). Replace oil pump if not within
specifications in the following table.
Location
Sizes and Fit of New Parts
Wear Limits
inches (mm)
A
0.9835 (24.9809)
0.9840 (24.9936)
0.9832 (24.9732)
B
0.2090 (5.3086)
0.2100 (5.3340)
0.2085 (5.2959)
C
0.9860 (25.0444)
0.9865 (25.0571)
0.9870 (25.0698)
D
2.4774 (62.9259)
2.4778 (62.9361)
2.4770 (62.9158)
E
2.4794 (62.9767)
2.4798 (62.9869)
2.4790 (62.9666)
D
E
B (all 3
impellers)
C
39
38
A
C
D
18
A
38
WP 0154 00-9
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