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 TM 9-2815-220-24
OIL PUMP REPAIR
0154 00
INSPECTION (Continued)
6. Inspect pressure compartment impellers (43 and 44).
a. Replace pump if any impeller has burrs, wear, cracked or broken teeth, or pitting at tooth
contact areas.
b. Measure length (A) of impeller (44) and impeller/shaft (43). Replace oil pump if not
within specifications in the following table.
c. Measure inside diameter (B) and outside diameter (C) of impeller (44). Replace oil pump
if not within specifications in the following table.
d. Measure outside diameters (D, E, F) of impeller/shaft (43). Replace oil pump if not within
specifications in the following table.
Location
Sizes and Fit of New Parts
Wear Limits
inches (mm)
A
2.4280 (61.6712)
2.4290 (61.6966)
2.4275 (61.6585)
B
0.9860 (25.0444)
0.9865 (25.0571)
0.9870 (25.0698)
C
2.4774 (62.9259)
2.4778 (62.9361)
2.4770 (62.9158)
D
0.9835 (24.9809)
0.9840 (24.9936)
0.9832 (24.9732)
E
1.1315 (28.7401)
1.1320 (28.7528)
1.1312 (28.7324)
F
2.4814 (63.0275)
2.4818 (63.0377)
2.4812 (63.0224)
D
44
E
A
A
E
B
D
43
F
C
WP 0154 00-7
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