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MEASUREMENT FOR OIL PUMP ASSEMBLY.
Wear limits
Depot
Sizes and fits
Field
Fig.
Ref.
of new parts
maint
maint
No.
letter
Point of measurement
(3) Oil pump impellers and impeller bores.
G
Inside diameter of pressure and scav-
1.7130 to 1.7150
1.7160
1.7155
enger pump impeller bores.
u
Outside diameter of oil pressure and
1.7080 to 1.7090
1.7070
1.7075
scavenger pump drive and driven
impellers.
Fit (radial clearance) of impellers in
G-U
0.0040L to 0.0090L
0.0100L 0.0090L
housing.
1.3770 to 1.3790
1.3800
Depth of pressure pump impeller
1.3820
H
bores.
342
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