TM 9-2330-235-14&P
5-2.
BRAKEDRUM REPAIR (Con't).
4.
Measure inside diameter of brakedrum. Discard brakedrum if inside diameter exceeds 13.20 in. (33 53 cm) for
M514 or 15.25 in. (38.74 cm) for M390C.
b.
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 to personnel.
1.
Reface braking surface with brakedrum lathe, removing as little metal as possible to true friction surface. Remove
a maximum of 0.01 in. (0.25 mm) per cut.
2.
Discard brakedrum if inside diameter after refinishing exceeds 13.20 in. (33.53 cm) for M514 or 15.25 in. (38.74
cm) for M390C.
FOLLOW-ON TASKS:
Install hub and brakedrum (para 4-40 or 4-41).
Section II. FRAME MAINTENANCE
5-3.
FRAME ASSEMBLY REPAIR.
a.
Frame assembly repair is limited to welding, straightening, and reconditioning of damaged parts.
b.
For more information on repair of frames, refer to TB 9-2300-247-40.
5-2
