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 TM 9-2815-220-24
OIL PUMP REPAIR
0154 00
INSPECTION (Continued)
7. Measure inside diameters (A, B) of bushings in spacer assembly (42). Replace oil pump if not
within specifications in the following table.
8. Inspect scavenge compartment impellers (23 and 24).
a. Replace pump if any impeller has burrs, wear, cracked or broken teeth, or pitting at tooth
contact areas.
b. Measure length (C) of impellers (23 and 24). Replace oil pump if not within specifications
in the following table.
c. Measure inside (D) and outside (E) diameters of impeller (23). Replace oil pump if not
within specifications in the following table.
d. Measure outside diameter (F) of impeller (24). Replace oil pump if not within
specifications in the following table.
Location
Sizes and Fit of New Parts
Wear Limits
inches (mm)
A
1.1330 (28.7782)
1.1340 (28.8036)
1.1350 (28.829)
B
0.9843 (25.0012)
0.9848 (25.0139)
0.9853 (25.0266)
C
3.0410 (77.2414)
3.0420 (77.2668)
3.0405 (77.2287)
D
0.9860 (25.0444)
0.9865 (25.0571)
0.9870 (25.0698)
E
2.4774 (62.9259)
2.4778 (62.9361)
2.4770 (62.9158)
F
2.4794 (62.9767)
2.4798 (62.9869)
2.4790 (62.9666)
C
23
42
D
F
B
E
24
C
A
WP 0154 00-8
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