TM 9-2320-279-34-2
11-4.2
Change 3
Brake System Maintenance Instructions (Cont)
Brakedrum (1) must be round within 0.003 in. (0.076 mm). If drum is out-of-round, go to step (3).
Check brakedrum (1) for badly scored finish. If drum is scored, machine drum, go to step (3).
Inside diameter of new drum is 16.51 in. (419.35 mm). Drum may be machined 0.080 in. (2.032 mm)
to a maximum inside diameter of 16.59 in. (421.38 mm).
Check drum surface (2) for glossy or heat spots. If glossy or heat spots are visible, clean with emery
cloth.
Follow-on Maintenance. None.
END OF TASK
