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 55 of 153
TM 9-2520-246-34
f.
See
Install idler gear assembly and idler gear shaft.
figure 3-29 for positioning of idler gear shaft.
g.
Install mainshaft. (See fig. 3-28.)
h.
Install the fourth-and fifth-speed synchronizer
on mainshaft, (See fig. 3-27.)
i.
Install mainshaft rear bearing. Use a wooden
block and mallet to drive bearing into place. See
figure 3-26 for positioning of rear bearing.
j.
Install the input shaft and input shaft bearing cap
using a new gasket. (See fig. 3-25.) Tighten the four
capscrews to 13-17 lb-ft torque.
k.
Install countershaft rear bearing cover using a
new gasket. (See fig. 3-23.) Tighten the four capscrews
and lockwashers to 25-32 lb-ft torque.
l.
Install power takeoff opening cover using a new
gasket. (See fig. 3-24.) Tighten the six capscrews and
lockwashers to 10-15 lb-ft torque.
m.
Install mainshaft rear bearing cap assembly
using a new gasket. (See fig. 3-22.) Tighten the six
capscrews and lockwashers to 25-32 lb-ft torque.
n.
Install companion flange. Coat companion flange
bearing surface with a light coating of grease, artillery
and automotive (GAA), MIL-G-10924. Slide the gears
on the mainshaft to lock the transmission shafts from
turning. Tighten companion flange retaining nut to
120-150 lb-ft torque. Install new cotter pin to secure
nut. Be especially careful not to damage rear bearing
cap seal. See figure 3-21 for positioning of companion
flange.
NOTE
After applying torque, tighten nut to
closest cotter pin hole.
o.
Place shifter forks in cover, and place
transmission gears and synchronizers in neutral
position. (See fig. 3-20.) Install shifter shaft cover
using a new gasket. Be sure cover assembly is seated
and tighten the eight capscrews and lockwashers to
25-32 lb-ft torque. (See fig. 3-19.)
p.
Install clutch bell housing using a new gasket.
Tighten the five capscrews and lockwashers to 60-80
lb-ft torque. (See fig. 3-18.)
q.
Install the clutch release yoke, yoke keys, and
clutch release shaft. Tighten the two capscrews and
lockwashers to 40-50 lb-ft torque. (See fig. 3-16 and
3-17.)
r.
Install the clutch release bearing support
assembly and secure in position using the two support
springs. See figure 3-16 for positioning of springs.
3-20
Back to Top
