TM 9-2320-289-20
8-4.
ROTOR AND WHEEL BEARINGS MAINTENANCE (Con’t).
4.
Remove outer wheel bearing (7). Remove rotor (9), Remove seal (18) and inner wheel bearing
(19) from rotor. Drive out outer race (8) and inner race (20) by evenly tapping around inner
edges with soft-faced drift. Press out 6 or 8 wheel studs (10) as required. Discard seal.
WARNING
Splash shield (13) and caliper bracket (17) are factory-installed with 6
locknuts and washers. Refer to TM 9-2320-289-20P for proper replacement
parts. Using improper replacement parts may cause caliper to fall off
during operation, resulting in injury or death to personnel.
NOTE
Note position of caliper bracket (14) for Installation.
5.
Remove 6 nuts (11) and Iockwashers (12). Remove splash shield (13) and caliper bracket (14)
from spindle (15). Discard Iockwashers.
NOTE
Note position of caliper bracket (17) for Installation.
6.
Remove 6 locknuts (16) and caliper bracket (17) from spindle (15). Discard locknuts.
b.
CLEANING AND INSPECTION
WARNING
Dry cleaning solvent P-D-680 is toxic and flammable. Always wear
protective goggles and gloves and use only in a well-ventilated area.
Avoid contact with skin, eyes, and clothes and DO NOT breathe vapors.
DO NOT use near open flame or excessive heat. The solvent’s flash
point is 100°F-138°F (38°C-59°C). If you become dizzy while using
cleaning solvent, immediately get fresh air and medical help. If solvent
contacts eyes, immediately wash your eyes with water and get medical
aid.
DO NOT use a dry brush or compressed air to clean brake pads or
brake components. There may be asbestos dust on brake pads or brake
components which can be dangerous to you if you breathe it. Brake
pads and brake components must be wet, and a soft brush must be
used. Failure to follow this warning may result in serious illness or
death to personnel.
1.
Clean wheel bearings (7 and 19) and races (8 and 20). Inspect wheel bearings and races for
scratches, discoloration, wear, bends, and cracks. Replace if rough or noisy after cleaning, or
if worn, bent, or cracked.
2.
Clean cooling fins of rotor (9). Inspect rotor for scoring, pitting, or cracks. Notify your
supervisor if scored, pitted, or cracked.
8-7
