Countershaft Assembly. - TM-9-2520-246-34-10199

TM 9-2520-246-34-1

Countershaft Assembly.

FRAME 1

NOTE

Readings must be within limits given in table 2-19. If read-

ings are not within given limits, throw away part and get a

new one.

Measure two inner bearing races (1) and two outer bearing races (2).

Measure two gear bores (3).

Measure keyway width (4) in two gears.

Measure width of two keys (5).

GO TO FRAME 2

Table 2-19. Coutershaft Gears and Bearings Wear Limits

Size and Fit

Wear Limit

of New Parts

(inches)

Item/Point of Measurement

Index Number

2.000 to 2.0005

None

Bearing inner race diameter

None

4.000 to 4.0010

Bearing outer race diameter

2.375 to 2.376

2.3765

Gear bore

0.5052

0.5000 to 0.5025

Gear keyway width

None

0.5000 to 0.5010

Key width

2-179