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 217 of 418

TM 9-2520-246-34-1

FRAME 10

NOTE

Readings must be within limits given in table 2-37. 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.

1.

Measure outside diameter of oil seal (1).

2.

Measure rear bearing retainer bore (2).

3.

Measure dowel pin bore (3).

4.

Measure fit of oil seal (1) in rear bearing retainer bore (2).

5.

Measure fit of dowel pin (4) in dowel pin bore (3).

END OF TASK

Index Number

1

2

3

l and 2

3 and 4

Table 2-37.

Rear Bearing Retainer Wear Limits

Item/Point of Measurement

Oil seal outside diameter

Rear bearing retainer bore

Dowel pin bore

Fit of oil seal in retainer bore

Fit of dowel pin in bore

Size and Fit

of New Parts

(inches)

3.353 to 3.357

3.348 to 3.350

0.7500 to 0.7510

0. 003T to 0.009T

0.0009L to 0.0003T

Wear Limit

(inches)

None

3.3510

0.7525

0.0020T

0.0024L

2-197