4-46. WHEEL, DRUM, AND WHEEL BEARING MAINTENANCE (Con't).
Wheel and drum assembly is heavy and awkward to handle. Use caution,
provide adequate support, and use assistance during installation. Failure to
follow this warning may result in serious injury to personnel.
Using a suitable support, install wheel (14) and drum (19) assembly over axle spindle (2).
(6) Install outer wheel bearing (12).
Install washer (6) and axle nut (7). Torque axle nut to 125 lb.-ft. (170 Nm) while rotating
wheel (14) in both directions to properly seat outer and inner wheel bearings (12 and 17).
Back axle nut (7) off to of a turn until first of two holes in axle spindle (2) alines with slot in
axle nut. Install new cotter pin (8) and bend back.
(10) Lubricate new preformed packing (9) and hubcap (10) threads with lubricating oil. install
preformed packing to hubcap. Install hubcap to axle spindle (2) and torque to 70 lb.-ft.
(11) Remove hubcap plug (11) and add 1 pt (0.7 I) of lubricating oil. Allow oil to seep through
outer and inner wheel bearings (12 and 17) and seek a level even with mark on hubcap (10).
DO NOT overfill. Install hubcap plug.
Check for leaks.