Table 2-27. Rear Output Shaft Assembly Fits and Tolerances

TM 9-2520-246-34-1

FRAME 3

NOTE

Readings must be within limits given in table 2-27.

The letter L indicates a loose fit and the letter T

indicates a tight fit. If readings are not within

given limits, throw away part and get a new one.

Measure fit of bearing (1) on output shaft bearing surface (2).

Measure fit of bearing (3) on output shaft bearing surface (4).

Measure fit of gear (5) on output shaft gear surface (6).

Measure fit of key (7) in output shaft keyway (8).

Measure fit of front output shaft (9) in rear output shaft bore (10).

END OF TASK

Table 2-27.

Rear Output Shaft Assembly Fits and Tolerances

Size and Fit

of New Parts

Index

Wear Limit

(inches)

Number

Item/Point of Measurement

(inches)

1 and 2

Fit of bearing on rear output shaft

0.005T to 0.0025T

O.OO1OL

3 and 4

Fit of bearing on output shaft

0.0015T to 0.0005T

None

Fit of gear on output shaft

5 and 6

0.0005T to 0.0025T

0.0010L

7 and 8

Fit of key in keyway

0.0005L to 0.0025T

0.0028L

9 and 10

Fit of shaft in bore

0.002L to 0.004L

0.0055L

2-187