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 219 of 418

TM 9-2520-246-34-1

FRAME 2

1.

2.

3.

4.

5.

6.

7.

GO

Measure

Measure

Measure

Measure

Measure

Measure

Measure

NOTE

Readings must be within limits given in table 2-39. If

readings are not within given limits, throw away part

and get a new one.

reverse shift collar groove width (l).

reverse shift shaft fork thickness (2).

rear outer race inside diameter (3).

rear sprag unit width (4).

front sprag unit width (5).

front outer race inside diameter (6).

free length of spring (7) and spring length at pressures given in

table 2-39.

TO FRAME 3

Table 2-39.

Front Output Shaft Sprag Unit Wear Limits

Index Number

1

2

3

4

5

6

7

7

Item/Point of Measurement

Shift

Shift

Rear

Rear

collar groove width

shaft fork thickness

race inside diameter

sprag unit width

Front sprag unit width

Front race inside diameter

Spring free length

Spring length at pressure

Size and Fit

of New Parts

(inches)

0.6060 to 0.6100

0.5705 to 0.5665

3.8338 to 3.8348

0.3770 to 0.3780

0.3770 to 0.3780

3.8338 to 3.8348

2.290 to 2.440

2 3/32 at 12 to

18 pounds

1 l/2 at 41 to

44 pounds

Wear Limit

(inches)

0.6180

0.5590

3.8378

0.3750

0.3750

3.8378

None

None

None

2-199