c. Lubricate lips of seal (25) and oil seal
c. Back off adjusting nut to relieve reload on
journal of spindle (31) with grease
bearings. Torque on nut should be 0 ft-lbs
d. Mount brake drum (26) to wheel hub (21)
d. Tighten bearing nut (7) to 350 ft-lbs
as marked and secure with eighteen
(466 Nm) while hub (21) is being rotated.
capscrews (28) and washers (27). Torque
Increase torque as required to install nut
capscrews (28) to 310-400 ft-lbs
4. ASSEMBLE SPUR GEAR (11) AND HUB (21).
The capscrews (9) are Dri-Loc
a. Place hub (21) on floor with drum (26)
maintenance procedures for use of
b. Align puller holes in spur gear (11) with
threaded holes in hub (21).
e. Install nut strip (10) and capscrews (9).
Torque capscrews to 60-75 ft-lbs (80-100
c. Install temporary capscrews to hold spur
gear (11) and hub (21) together.
6. INSTALL PLANETARY RING AND SUN GEARS.
d. Using overhead hoist, locate hub (21) on
a. Apply grease MIL-L-10924 to key washers
e. Install bearing nut (7) and draw assembly
Key washer (6) tangs must engage
f. Remove temporary capscrews installed in
slots in spindle (31) or bearing nut
spur gear (11).
5. ADJUST WHEEL BEARINGS.
b. Install key washer (6), spur gear (5) and
retaining ring (19).
a. Seat bearings and related components by
tightening nut (7) to 400 ft-lbs (532 Nm)
c. Install gear (8) onto spur gear.
while hub is rotated in both directions.
Rap hub several times with a brass or
INSTALL SPUR GEARS AND SHAFTS INTO
plastic mallet then re-torque to 400 ft-lbs
a. Inspect bores of spur gears (13). Do not
b. Repeat step a until bearing nut (7) will not
reuse spur gears with bore surface
advance under application of 400 ft-lbs.
roughness. Smooth bore is essential.