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TM 9-2815-210-34-2-2
Scavenge Oil Pump Impellers and Impeller Bores Wear Limits
Size and Fit
Index
of New Parts
Wear Limit
Item /Point of Measurement
Number
(inches)
(inches)
1
S c a v e n g e pump driven impeller
bore depth
1.6270 to 1.6290
1.6330
S c a v e n g e pump driven impeller
2
length A
1.6235 to 1.6250
1.6205
1 and 2
C l e a r a n c e between scavenge
p u m p driven impeller and
t o p of driven impeller bore
0.0020L
to
0.0055L
0.0080L
max
3
S c a v e n g e pump drive impeller
bore depth
1.6270 to 1.6290
1.6330
4
S c a v e n g e pump drive impeller
length B
1.6235 to 1.6250
1.6205
C l e a r a n c e between scavenge
3 and 4
p u m p drive impeller and top of
d r i v e impeller bore
0.0020L to 0.0055L
0.0080L
max
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