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 TM 9-2815-220-24
OIL PUMP REPAIR
0154 00
INSPECTION (Continued)
17. Visually inspect scavenge compartment cover assembly (33) for cracks or damage. Replace
pump if cover is damaged.
18. Measure the inside diameter (A) of five impeller bores in scavenge housing assembly (25).
Replace oil pump if not within specifications in the following table.
19. Measure depth (B) of two impeller bores in housing assembly (25). Replace oil pump if not
within specifications in the following table.
20. Measure depth (C) of three impeller bores in housing assembly (25). Replace oil pump if not
within specifications in the following table.
21. Measure inside diameter (D) of bushing (52) in housing assembly (25). Replace oil pump if
not within specifications in the following table.
Location
Sizes and Fits of New Parts
Wear Limits
inches (mm)
A
2.4850 (63.1190)
2.4862 (63.1494)
2.4875(63.1825)
B
3.0480(77.4192)
3.0500 (77.4700)
3.0505(77.4827)
C
0.2130 (5.4102)
0.2170 (5.5118)
0.2175(5.5245)
D
0.9850(25.019)
0.9860 (25.0444)
0.9870 (25.0698)
33
25
A (5 places)
C
B
52, D
WP 0154 00-12
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