Table 4-33. Oil Pump Impeller Drive Shaft and Bushing Wear Limits

TM 9-2815-210-34-2-2

FRAME 13

NOTE

Readings must be within limits given in table 4-33. The

letter L shows a loose fit. If readings are not within

given limits, get a new oil pump.

M e a s u r e outside diameter (1) where impeller drive shaft fits into impeller

drive shaft bushing (2).

M e a s u r e inside diameter of impeller drive shaft bushing (2).

M e a s u r e fit of impeller drive shaft outside diameter (1) in impeller drive

shaft bushing (2).

GO TO FRAME 14

Table 4-33. Oil Pump Impeller Drive Shaft and Bushing Wear Limits

Size and Fit

of New Parts

Index

Wear Limit

Number

Item /Point of Measurement

(inches)

I m p e l l e r drive shaft outside

0.4975

0 . 4 9 8 5 to 0.4990

diameter

I m p e l l e r drive shaft bushing

0.5020

i n s i d e diameter

0 . 4 9 9 5 to 0.5005

Fit of impeller drive shaft in

1 and 2

0.0050L

0 . 0 0 5 L to 0.0020L

i m p e l l e r drive shaft bushing