TM 9-2330-246-14
BRAKEDRUM REPAIR (Con't).
5-1.
INSPECTION
a.
WARNING
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.
1.
Inspect brakedrum (1) for cracks, particularly around stud holes (2). Discard brakedrum if cracked.
Inspect braking surface (3) for cracks, heat checking, and scoring. Reface braking surface if damaged
2.
(subpara b).
Inspect braking surface (3) for out-of-round condition at 45 intervals. Out-of-round should not exceed 0.006 in.
3.
(0.1 5 mm). If runout exceeds 0.006 in. (0.15 mm), reface braking surface (subpara b).
4.
Measure inside diameter of brakedrum (l). Discard brakedrum if inside diameter exceeds 16.505 in.
(41 .92 cm).
TA700385
5-2
