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 70 of 153
TM 9-2520-246-34
(2) Remove input shaft rear bearing snapring (fig.
4-16) from the end of input shaft. Place input shaft
assembly in arbor press with rear bearing and high
range gear up. Install a suitable puller (item 4, table 2-
1) around input shaft high range gear. Removal of
high range gear in this manner will push the gear
bearings, spacer, thrust washer, and rear bearing from
the input shaft.
(3) Place the high range gear in an arbor press
and press high range gear ball bearings and spacer
from bore of the high range gear. Apply pressure to
the inner race of the bearing only. (See fig. 4-16.)
(4) Slide synchronizer assembly from input shaft.
(See fig. 4-16.)
(5) Place input shaft assembly (fig. 4-16) in arbor
press, low range gear up. Place support bars beneath
the low range gear and press shaft from input shaft
low range gear, gear bearings, spacer, and thrust
washer (if still installed).
(6) Place input shaft low range gear (fig. 4-16) in
a press, and press low range gear bearings and spacer
from input shaft low range gear. Apply pressure to the
inner race of bearing only.
d. Transfer Case Cover.
NOTE
When installing input shaft front bearing,
apply pressure on the outer race of the
bearing only. Also, replace shifter shaft oil
seal.
(1) Press input shaft front bearing and snapring
(fig. 4-17) from the front cover using suitable remover
and replacer (item 6, table 2-1).
(2) Using a suitable tool, remove the shifter shaft
oil seal (fig. 4-17) from cover.
(3) Remove snapring and press countershaft front
bearing cup from the front cover using a suitable
remover and replacer. (See fig. 4-18.)
(4) Remove snapring and press rear output shaft
bearing cup (fig. 4-17) from the front cover using a
suitable remover and replacer.
Figure 4-18. Remover and Replacer with Handle.
e. Front Output Shaft Cover.
NOTE
Coat output shaft and oil seals with a
universal gear lubricant (GO), MIL-L-2105,
before assembling to prevent damage to
seals.
Remove front output shaft oil seal snapring. (See
fig. 4-19.) To remove seal from cover, place in press
and press against front bearing thrust washer.
f. Transfer Case.
NOTE
When pressing bearing cups back in
transfer case, be sure that bearing cups are
not cocked, because damage to bearing
cups and transfer case might result.
Figure 4-17. Transfer Case Cover Disassembly.
Remove
bearing cups
remover and
20.)
countershaft and rear output shaft
from the transfer case, using suitable
replacer (item 6, table 2-1). (See fig, 4-
4-9
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