TM 9-2320-289-20
8-5.
DRUM, HUB, AND WHEEL BEARINGS MAINTENANCE.
This task covers:
a. Removal
c. Installation
b. Cleaning and Inspection
INITIAL SETUP:
Equipment Condition
Materials/Parts
Rear axle shaft removed (all except M1009).
One adjusting hole cover
(See paragraph 6-8)
O n e s e al
Wheel removed. (See paragraph 8-2)
Dry cleaning solvent
Transmission in “N” (Neutral).
(Item 15, Appendix C)
Parking brake released.
Grease (Item 26, Appendix C)
Tools/Test Equipment
Manual References
Wheel bearing remover, J-24426
• TM 9-214
Driver handle, J-8092
Wheel bearing wrench, J-2222-C
Snapring pliers
T o r q u e w r e n ch
General Safety Instructions
Dry cleaning solvent is flammable and must not be used near open flame. Use only in a
well-ventilated area.
DO NOT use a dry brush or compressed air to clean brake shoes or brake components.
a . R E M O V A L
NOTE
• If removing hub (8), drum (9), and wheel bearings (15 or 17) from all
except M1009, perform steps 1 and 2 as required.
• If removing drum (1) from M1009, perform steps 1 and 3.
• It may be necessary to knock out lanced area (5) in backing plate (12)
or drum (1), or remove covers to gain access to adjusting screw
(3 or 13).
1.
Insert a screwdriver through access
hole (5) in backing plate (12) or drum
(1). Loosen adjusting screw (3 or 13)
until no drag is felt on drum.
2.
Remove retainer (6), key (7),
adjusting nut (18) from spindle
R e m o v e h u b ( 8 ) a n d d r um
assembly from spindle (11). Rem
inner wheel bearing assembly
and
(11).
(9)
o ve
(15)
and seal (14) from hub. Remove
s n a p r i n g ( 1 6 ) a n d o u t e r w h e el
bearing assembly (17) from hub.
R e m o v e 8 w h e e l s t u ds
(10) to
separate hub from drum. Discard
seal.
8-10
