TM 9-2330-267-14&P
5-1. BRAKEDRUM REPAIR (Con’t).
1.
Inspect stud holes (2) for cracks. Discard brakedrum (1) if cracks are present.
2.
3.
WARNING
DO NOT reuse a brakedrum that exceeds maximum wear specifications. Failure to
follow this warning may result in brake failure and serious injury or death to personnel.
Inspect braking surface (6) for cracks (3), heat checking (4), and scoring (5). Reface braking surface if
damaged. Discard brakedrum if inside diameter exceeds 15.23 in. (38.68 cm).
Inspect braking surface (6) for out-of-round condition at 45° intervals. Out-of-round should not exceed 0.006 in.
(0.1524 mm). If runout exceeds 0.006 in. (0.1524 mm), reface braking surface. Discard brakedrum (1) if inside
diameter exceeds 15.23 in. (38.68 cm).
WARNING
DO NOT reuse a brakedrum that exceeds maximum wear specifications. Failure to
follow this warning may result in brake failure and serious injury or death to personnel.
1.
Reface braking surface (6) with brakedrum lathe, removing a maximum of 0.01 in. (0.254 mm) per cut.
2.
Discard brakedrum if inside diameter exceeds 15.23 in. (38.68 cm) after repair
FOLLOW-ON TASKS:
. Install hub and brakedrum (para 4-45).
TA507078
5-2
