TM-9-2520-246-34-1

TRANSMISSION MODEL 3053A; TRANSMISSION TRANSFERS MODEL T-136-21 AND MODEL T-136-27; POWER TAKEOFFS MODEL WN-7-28, MODEL WND-7-28 AND MODEL P-136-C

TECHNICAL MANUAL; MAINTENANCE, DIRECT SUPPORT AND GENERAL SUPPORT LEVEL

JANUARY 1981

TM-9-2520-246-34-1 - Page 338 of 418

TM 9-2520-246-34-1

FRAME 2

1.

Measure

2.

Measure

3.

Measure

4.

Measure

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.

fit of two bearings (1) on output shaft (2).

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

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

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

Index Number

1 and 2

3 and 4

5 and 6

5 and 7

Item/Point of Measurement

Fit of bearings on shaft

Fit of helical gear on shaft

Fit of spur gear on shaft splines

Fit of helical gear splines in spur

gear splines

Size and Fit

of New Parts

(inches)

0.0005 to 0.0015T

0.006L to 0.008L

0.004L to 0.007L

0.004L to 0.007L

Wear Limit

(inches)

None

None

O.OO11

None

2-318