TM 9-2330-388-14
b.
Removal of Tires, Wheel, Hub. And Drum as an Assembly
Figure 4-59. Tightening Order for Wheel Stud Nuts.
(1) Block any of the tires that are not being
(9) Remove tires, wheels, hub and drum as an
removed.
assembly.
c.
Replacement of Wheel Bearings, Fig 4-60.
WARNING
The fail-safe chamber power spring must be
(1) Removal.
manually compressed and the air reservoirs
must be vented of pressure before removal
(a) Remove tires, wheels, hub, and drum
of hub and drum assembly.
as an assembly (b above).
(2) Manually compress
fail-safe
chamber
(b) Remove seal with a seal puller and
power spring, para NO TAG
remove inner wheel bearing cone, fig. 4-60.
(3) Release air pressure by opening drain
(2) Inspection and Repair.
valves on both air reservoirs, fig. 4-54.
WARNING
(4) Jack up axle until tires are clear of ground.
Dry cleaning solvent P-D-680 is toxic and
Support axle with jack stand or blocking.
flammable. Always wear protective goggles
and gloves, and use only in a well-ventilated
(5) Remove six bolts and lockwashers securing
hub cap to hub, fig. 4-60. Remove hub cap and hub cap
area. Avoid contact with skin, eyes, and
basket. Discard gasket.
clothes, and DO NOT breathe vapors. DO
NOT use near open flame or excessive heat.
(6) Remove outer wheel bearing nut, wheel
The solvent's flash point is 100F-138F
bearing washer, lock ring, and inner wheel bearing nut.
(38C-59C). If you become dizzy while using
cleaning solvent, immediately get fresh air
(7) Place wheel lift jack under wheel and raise
and medical help. If solvent contacts eyes,
jack until weight is removed from bearing.
Immediately wash your eyes with water and
get medical aid.
(8) Remove outer wheel bearing cone.
4-123
