Table 2-31. Transfer Case Fits and Tolerances

TM 9-2520-246-34-1

FRAME 4

NOTE

Readings must be within limits given in table 2-31. 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 expansion plug (1) in housing bore (2).

Measure fit of input shaft rear bearing (3) in bearing bore (4).

Measure fit of countershaft rear bearing outer race (5) in bearing bore (6).

Measure fit of rear output shaft rear bearing outer race (7) in bearing bore (8).

GO TO FRAME 5

Table 2-31.

Transfer Case Fits and Tolerances

Size and Fit

of New Parts

Wear Limit

Index Number

Item/Point of Measurement

(inches)

l and 2

Fit of expansion plug in bore

0.007T to 0.013T

0.0046T

3 and 4

Fit of input shaft bearing in bore

0.0014L to 0.0002T

0.0018L

5 and 6

Fit of counter shaft bearing race in bore

0.001L to 0.0010T

0.0012L

7 and 8

Fit of output shaft bearing race in bore

0.0010T to 0.0010L

0.0015L

2-191