Table 2-63. Output Shaft Assembly Fits and Tolerances

TM 9-2520-246-34-1

FRAME 2

NOTE

Readings must be within limits given in table 2-63. 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 two bearings (1) on output shaft (2).

Measure fit of helical gear (3) on output shaft (4).

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

Measure fit of helical gear splines (7) in splines of spur gear (5).

GO TO FRAME 3

Table 2-63. Output Shaft Assembly Fits and Tolerances

Size and Fit

Wear Limit

of New Parts

(inches)

Index Number

(inches)

Item/Point of Measurement

None

0.0005 to 0.0015T

1 and 2

Fit of bearings on shaft

None

0.006L to 0.008L

Fit of helical gear on shaft

3 and 4

O.OO11

0.004L to 0.007L

Fit of spur gear on shaft splines

5 and 6

None

Fit of helical gear splines in spur

0.004L to 0.007L

5 and 7

gear splines

2-318