TM 9-2330-389-14&P
4-32.
BRAKEDRUM MAINTENANCE (Con’t).
3.
Remove nut retainer (4), hex nut (5), and flat washer (6) from brakedrum (2).
4.
Pull brakedrum (2) out slightly on front frame assembly spindle (7) to loosen outer cone and rollers (8). Remove
outer cone and rollers (8) from brakedrum (2) and front frame assembly spindle (7).
WARNING
DO NOT handle brake shoes, brake drums, or other brake components unless area
has been properly 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
and gloves. Never use compressed air or a dry brush to clean 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 cloth. Failure to follow
this warning may result in serious illness or death to personnel.
5.
Remove brakedrum (2) from front frame assembly spindle (7) and backing plate (9).
CAUTION
To prevent damage, avoid prolonged hammering on one side of cone and rollers.
Tapping around the circumference will prevent binding.
6.
Remove inner cone and rollers (10) and lip seal (1) from brakedrum (2) or front frame assembly spindle (7).
Discard lip seal.
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 and get medical aid.
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