5-14. DRUM (Con't)
Check for heat discoloration, scoring, warping,
and cracks on braking surface.
Cracked drums must be replaced.
Slight scoring can be rubbed out by polishing with
Heavy scoring and out-of-round
conditions must be corrected by turning the drum on a
When one drum on one axle is refinished, the other
drum on that axle must be turned to the same
Runout must not be greater than 0.01 in.
Refinish braking surface on lathe if runout
Replace drum if inside diameter of
braking surfaces is greater that 12.75 in.
TASK ENDS HERE
Repair semitrailer tires In accordance with Instructions in TM 9-2610-200-24.