Section IV. REPAIR AND REPLACEMENT STANDARDS (MODEL T-136-27)

TM 9-2520-246-34

4-14. Countershaft Rear Bearing Adjustment.

4-15. Rear Output Shaft Rear Bearing

Adjustment.

a. Use shims in combination to obtain 0.002- to

0.005-inch end play.

a. Use shims in combination to obtain 0.002- to

0.005-inch end play.

b. The shims are provided as a set. The part

number for the set is 7521437. The part numbers and

b. The shims are provided as a set. The part

shim sizes are:

number for the set is 7521437, the part numbers for

shim sizes are:

Thickness

Ordance No.

Ordnance No.

Thickness

.003 .0005

7521441

.003 .001

7521277

.005 .0005

7521446

.005 .001

7521278

.010 .001

7521447

7521279

.010 .001

Section IV. REPAIR AND REPLACEMENT STANDARDS

(MODEL T-136-27)

4-16. General. The repair and replacement

Limits" column indicates that the part or parts should

standards included herein provide the minimum,

be replaced when worn beyond the limits given in the

maximum, and key clearances of new parts. (See fig.

"Size and Fit of New Parts" and "Wear Limits"

4-22, 4-23, 4-24, and 4-25 and corresponding tables 4-

columns. In the "Size and Fit of New Parts" and

1, 4-2, 4-3, and 4-4.) Standards also provide wear

"Wear Limits Columns", the letter "L" indicates a

limits which indicate the point to which a part or

loose fit (clearance) and the letter "T" indicates a tight

parts may be worn before replacement is required, in

fit (interference).

order to receive maximum service with minimum

replacement. Normally, all parts which have not been

4-17. Repair and Replacement Standard Points

worn beyond the dimensions shown in the "Wear

of Measurement. Figures 4-22, 4-23, 4-24, and 4-25

Limits" column, or damaged by corrosion, will be

and corresponding tables 4-1, 4-2, 4-3, and 4-4 provide

approved for service. An asterisk (*) in the "Wear

the repair and replacement standard points of

measurement for transfer model T-136-27.

4-12