4.47. HUB, WHEEL BEARINGS, AND BRAKEDRUM REPLACEMENT (Cont).
Remove brakedrum (1), adapter(2), rub (3), and inner bearing (16) as an assembly.
4. Remove ten nuts (15), Iockwashers (14), and bolts (11) and remove brakedrum (1) from adapter (2). Discard
5. R e m o ve hub (3) from adapter (2).
Remove seal (18). Discard seal.
Remove inner bearing (16) and two bearing cones (12 and 13) from hub (3).
Wheel studs for wheels at right side of dolly set are marked R for right-hand threads.
Studs for wheels at left side are marked "L" for left-hand threads.
If damaged, remove wheel studs (17).
CLEANING AND INSPECTION
DO NOT handle brakeshoes, brakedrums, or other brake components unless area
has been property cleaned.There may be asbestos dust on these components which
can be dangerous if you touch it or breathe it. Wear an approved filter mask end
gloves. Never use compressed air or a dry brush to dean brake components. Dust
may be removed using an Industrial-type vacuum cleaner. Clean dust or mud away
from brake components with water and a wet, soft brush or cloth. Failure to follow
this warning may result in serious Illness or death to personnel.
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
l xcesdve heat. The solvents 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 and get medical aid.
Use dry cleaning solvent to remove grease and oil from all metal parts. Dry thoroughly.