Assembly-continued - TM-9-2520-246-340055

TM 9-2520-246-34

on the mainshaft to lock the transmission shafts from

f . Install idler gear assembly and idler gear shaft.

turning. Tighten companion flange retaining nut to

See figure 3-29 for positioning of idler gear shaft.

120-150 lb-ft torque. Install new cotter pin to secure

nut. Be especially careful not to damage rear bearing

g. Install mainshaft. (See fig. 3-28.)

cap seal. See figure 3-21 for positioning of companion

flange.

h. Install the fourth-and fifth-speed synchronizer

on mainshaft, (See fig. 3-27.)

NOTE

i. Install mainshaft rear bearing. Use a wooden

After applying torque, tighten nut to

block and mallet to drive bearing into place. See

closest cotter pin hole.

figure 3-26 for positioning of rear bearing.

o. Place shifter forks in cover, and place

j. Install the input shaft and input shaft bearing cap

transmission gears and synchronizers in neutral

using a new gasket. (See fig. 3-25.) Tighten the four

position. (See fig. 3-20.) Install shifter shaft cover

capscrews to 13-17 lb-ft torque.

using a new gasket. Be sure cover assembly is seated

and tighten the eight capscrews and lockwashers to

k. Install countershaft rear bearing cover using a

25-32 lb-ft torque. (See fig. 3-19.)

new gasket. (See fig. 3-23.) Tighten the four capscrews

and lockwashers to 25-32 lb-ft torque.

p. Install clutch bell housing using a new gasket.

Tighten the five capscrews and lockwashers to 60-80

l. Install power takeoff opening cover using a new

lb-ft torque. (See fig. 3-18.)

gasket. (See fig. 3-24.) Tighten the six capscrews and

lockwashers to 10-15 lb-ft torque.

q. Install the clutch release yoke, yoke keys, and

clutch release shaft. Tighten the two capscrews and

m. Install mainshaft rear bearing cap assembly

lockwashers to 40-50 lb-ft torque. (See fig. 3-16 and

using a new gasket. (See fig. 3-22.) Tighten the six

3-17.)

capscrews and lockwashers to 25-32 lb-ft torque.

r. Install the clutch release bearing support

n. Install companion flange. Coat companion flange

assembly and secure in position using the two support

bearing surface with a light coating of grease, artillery

springs. See figure 3-16 for positioning of springs.

and automotive (GAA), MIL-G-10924. Slide the gears

3-20