5-1. BRAKESHOE REPAIR (M416) (Con't).
Do not grind rivet (1) heads off of brakeshoes
(3) when removing friction linings (4). Asbes-
tos dust from friction linings is hazardous to
This procedure describes replacement of
friction linings (4) from 1 set of brakeshoes
(3). If friction linings are bonded, no repair is
Remove 10 rivets (1) and friction lining (4) from
brakeshoe (3). Discard rivets and friction lin-
Repeat step 1 to remove friction lining (4) from other brakeshoe (3).
DO NOT handle brakeshoes, brakedrums, 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 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
excessive heat. The solvent's flash point is 100F-130F (38C-59C). 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.
Clean brakeshoes with dry cleaning solvent. Dry thoroughly.
Visually check brakeshoes (3) for cracks and distortion, Discard brakeshoes if cracked or distorted.
Visually check pivot holes (2) for excessive wear, Discard brakeshoes if pivot holes are excessively worn.
Install new friction lining (4) on brakeshoe (3) with 10 new rivets (1),
Repeat step 1 to install new friction lining (4) on other brakeshoe (3).