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 84 of 153
TM 9-2520-246-34
i. Case Cover.
Use care not to
during removal
items and must
damaged.
NOTE
damage or lose taper pins
since they are non-supply
be fabricated if lost or
(1) Polish the end of the shifter shaft to remove
roughness and paint. (See fig. 4-31.) Remove the 18
capscrews, nuts, and lockwashers securing the case
cover to the case. Remove the three taper pins from
the case and cover, with a drift or punch.
NOTE
Install taper pins, install new gasket, aline
case cover with taper pins, and tighten nut
and capscrews evenly and alternately.
Tighten capscrews marked Y and W to 60-
77 lb-ft torque. Tighten remaining
capscrews marked Z to 67-87 lb-ft torque.
(2) Install puller screws in the two puller-screw
holes located in the flange of the case cover. (See fig.
4-31.) If necessary, drive on the end of the input shaft
and tap on the end of the shifter shaft with a mallet.
Lift the cover assembly from the case. Remove and
discard the gasket. Remove the outer thrust washer
from the input shaft.
j. Rear Output Shaft Assembly.
After the case
cover has been removed, lift the rear output shaft
assembly (fig. 4-33) from the transfer case.
Figure 4-32. Removal of Front Output Shaft and
Reverse Shift Assembly.
k.
Transfer Top Cover and Shifter Shaft.
NOTE
When assembling, use a new gasket and
install new lockwire. Tighten capscrews and
lockwashers to 22-28 lb-ft torque.
Remove the four capscrews and lockwashers
securing the top cover to the transfer case. (See fig. 4-
33). Remove the top cover and top cover gasket.
Discard the gasket. Remove the shifter shaft spring,
plunger, and ball. (See fig. 4-34.) Using a pair of wire
cutters, remove the lockwire from the fork setscrew.
Remove the setscrew, then remove the shifter shaft
from the fork assembly.
l. Input Shaft Assembly, Fork Assembly, and Idler
Shaft Assembly.
Using a soft drift pin and hammer,
drive the input shaft assembly, fork assembly, and
idler shaft assembly from the transfer case.
Figure 4-33. Removal of Rear Output, Idler, and
Input Shaft Assemblies
m. Rear Output Shaft Rear Bearing Cover.
NOTE
When assembling, tighten rear output shaft
rear bearing cover capscrews to 60-77 lb-ft
torque. For the installation of shims and
rear bearing adjustments, refer to section
VII of this chapter.
Remove the six capscrews and lockwashers
securing the rear output shaft rear bearing cover to
the transfer case. (See fig. 4-35.) Remove the bearing
cover and shims from the case. Using a suitable tool,
remove the oil seal from the rear output shaft cover.
4-23
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