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 196 of 418

TM 9-2520-246-34-1

b.

Air Cylinder Shifter Shaft Assembly.

FRAME 1

1.

Check that shifter shaft (1) is not bent or cracked. Throw away bent or

cracked shifter shaft.

2.

Check that shifter fork (2) is not bent or cracked. Throw away bent or

cracked fork.

NOTE

Readings must be within limits given in table 2-16. If

readings are not within given limits, throw away part

and get a new one.

3.

Measure diameter of shifter shaft (1).

4.

Measure width of two shifter fork pads (3).

5.

Measure to check that shifter fork pads (3) are perpendicular to shifter fork

bore (4).

6.

Measure height of spring (5).

END OF TASK

Table 2-16. Air Cylinder Shifter Shaft Assembly Wear Limits

Index Number

1

3

3 and 4

5

Item/Point of Measurement

Shifter shaft outside diameter

Shifter fork pad width

Shifter fork perpendicularity of pad

to bore

Free height of spring

Size and Fit

of New Parts

(inches)

0.8715 to 0.8725

0.562 to 0.572

0.005

2.64 to 2.85

Wear Limit

(inches)

0.8685

0.5550

0.030

2.55 minimum

2-176