TM 5-3810-306-34
2. INSTALL PRIMARY DRIVE HOUSING (40).
4. INSTALL DRIVEN GEAR (53).
a. Apply Loctite #271 to oil seal (38), and press
NOTE
bearing race (37) and oil seal (38) in drum side
of primary drive housing (40).
The gears do not have to be timed.
b. Install primary drive housing (40) on center
a. Install driven gear (53).
housing (34).
b. Install spacer (55), keywasher (56), and locknut
c.
Apply Loctite #242 to hex head bolt threads (43)
(57) on main shaft (33). Ensure recess in spacer
and install hex head bolts (43) and washers (42).
faces toward driven gear (53).
NOTE
c. Torque locknut (57) with spanner wrench to 20 ft-
lbs (27 Nm).
Ensure alignment of holes for longer
d. Secure locknut (57) by bending a tab of
bolts (41) installed later.
keywasher (56) into a corresponding groove of
the locknut.
d. Torque hex head bolts (43) to 150 ft-lbs (200
Nm).
5. INSTALL END COVER (59).
3. INSTALL BEARINGS (45), (48) AND (52), DRIVING
a. Install new preformed packing (54) in end cover
PINIONS (46) AND (51) AND MAIN SHAFT (33).
(59).
a. Press bearing (48) on main shaft (33) and install
b. Using suitable lifting device, install end cover
main shaft in primary drive housing (40).
(59) on primary drive housing. Use soft faced
hammer to seat cover.
NOTE
c.
Apply Loctite #242 to hex head bolt threads (61)
Bearing (48) has a snap ring. The
and (63). Apply RTV to shanks of bolts (63).
bearing is installed with the snap ring
to the gear side.
NOTE
b. Using snap ring pliers, secure bearing (48) in
The two bolts (63) which fit where the
housing (40) with snap ring (49).
brake assembly is to be mounted are
longer than the other bolts.
c.
Press two new bearings (45) and (52) onto two
driving pinions (51) and pinion (46).
d. Secure end cover (59) to the primary drive
housing with the hex head bolts (61) and (63).
d. Install pinions (51) and (46) in face of primary
drive housing (40).
e. Torque bolts (61) and (63) to 31 ft-lbs (41 Nm).
e. Install spacer (50) on main shaft (33) with recess
on shaft shoulder.
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