Figure 4-40. Positioning of Sprag Peaks For Front Sprag and Rear Sprag.

TM 9-2520-246-34

Figure 4-40. Positioning of Sprag Peaks For Front Sprag and Rear Sprag.

NOTE

(4) Remove the two inner race snaprings and

place the front output shaft assembly in an arbor

Some space will be necessary for the action

press with the drive gear resting on two parallel

of the sprags. and does not indicate that

blocks. (See fig. 4-39.) Press the gear from the shaft.

any sprags are missing. Place the sprag

Removal of the drive gear in this manner will also

units on the front output shaft in the exact

remove the inner race. Remove the woodruff key from

order they were removed in disassembly.

the shaft.

(3) When assembling, a slender stylus will be

e. Disassembly and Assembly of Sprag Units.

needed for the last few sprags to push the energizing

spring into the notch in the end of the sprags. With all

NOTE

the sprags in place, insert the outer energizing spring

in the exposed end of the sprags. With the spring in

position, start at one side and slide fingers along the

When looking toward the front end of the

spring, pushing it into the sprag notches until fingers

front output shaft, the front sprag peaks

will be pointing to the left and the rear

meet at the opposite side. Run fingertips along all

sprag peaks will be pointing to the right.

sprags once or twice to make sure all are in position

(See fig. 4-40.)

with none cocked or twisted.

f. Transfer Case Cover.

(1) Remove the sprag units from the front and

rear outer races; remove the two energizing springs,

NOTE

and inspect the sprags as directed in section VIII of

this chapter.

When installing input shaft front bearing,

apply pressure on the inner race of the

bearing only. Also replace shift shaft oil

(2) When all 84 sprags are removed. lay both

seal.

outer races flat with the open end up. Place one

energizing spring in the bottom of each outer race.

(1) Press the input shaft front bearing and

Each sprag is designed to fit the contour of the

snapring (fig. 4-41) from the front cover, using a

energizing spring; this slight groove must face toward

suitable remover and replacer.

the outside of the outer races.

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