TM 9-2330-324-14&P
0053
00-2
BRAKEDRUM REPAIR—Continued
0053
00
INSPECTION—Continued
WARNING
Do not use a brakedrum that exceeds maximum wear specifications.
Failure to follow this warning may result in brake failure and serious injury
or death.
2.
Inspect braking surface (6) for cracks (3), heat checking (4), and scoring (5). Reface braking surface
if damaged (see “REPAIR” below).
3.
Inspect braking surface (6) or out-of-round at 45° intervals. Out-of-round should not exceed 0.006
in. (0.15 mm). If runout exceeds 0.006 in. (0.15 mm), reface braking surface (see “REPAIR” below).
4.
Measure inside diameter of brakedrum (1). Discard brakedrum if inside diameter exceeds 15.23 in.
(38.68 cm).
3
1
4
6
START
READING
POINT
45°
READING
POINT
45°
READING
POINT
READING
POINT
45°
READING
POINT
45°
5
REPAIR
WARNING
Do not use a brakedrum that exceeds maximum wear specifications.
Failure to follow this warning may result in brake failure and serious injury
or death.
1.
Reface braking surface (6) with brakedrum lathe, removing a maximum of 0.01 in. (0.25 mm) per cut.
2.
Discard brakedrum (1) if inside diameter exceeds 15.23 in. (38.68 cm) after repair.
FOLLOW-ON TASK
Install hub and brakedrum (WP 0039 00).
END OF TASK
