TM-9-2520-246-34
TRANSMISSION MODEL 3052, NSN 2520-00-347-4520
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT; MAINTENANCE MANUAL
MAY 1978
TM-9-2520-246-34 - Page 88 of 153
TM 9-2520-246-34
Figure 4-40. Positioning of Sprag
(4) Remove the two inner race snaprings and
place the front output shaft assembly in an arbor
press with the drive gear resting on two parallel
blocks. (See fig. 4-39.) Press the gear from the shaft.
Removal of the drive gear in this manner will also
remove the inner race. Remove the woodruff key from
the shaft.
e.
rear
and
this
Disassembly and Assembly of Sprag Units.
NOTE
When looking toward the front end of the
front output shaft, the front sprag peaks
will be pointing to the left and the rear
sprag peaks will be pointing to the right.
(See fig. 4-40.)
(1) Remove the sprag units from the front and
outer races; remove the two energizing springs,
inspect the sprags as directed in section VIII of
chapter.
(2) When all 84 sprags are removed. lay both
outer races flat with the open end up. Place one
energizing spring in the bottom of each outer race.
Each sprag is designed to fit the contour of the
energizing spring; this slight groove must face toward
the outside of the outer races.
Peaks For Front Sprag and Rear Sprag.
NOTE
Some space will be necessary for the action
of the sprags. and does not indicate that
any sprags are missing. Place the sprag
units on the front output shaft in the exact
order they were removed in disassembly.
(3) When assembling, a slender stylus will be
needed for the last few sprags to push the energizing
spring into the notch in the end of the sprags. With all
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
spring, pushing it into the sprag notches until fingers
meet at the opposite side. Run fingertips along all
sprags once or twice to make sure all are in position
with none cocked or twisted.
f. Transfer Case Cover.
NOTE
When installing input shaft front bearing,
apply pressure on the inner race of the
bearing only. Also replace shift shaft oil
seal.
(1) Press the input shaft front bearing and
snapring (fig. 4-41) from the front cover, using a
suitable remover and replacer.
4-27
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