TM 9-2330-371-14&P
Section IV. WHEEL MAINTENANCE
Page
Brakedrum Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-16
BRAKEDRUM REPAIR
This task covers:
Repair (page 5-16)
INITIAL SETUP
Personnel Required
Tools
One
Lathe, brakedrum
Micrometer, inside
Equipment Condition
Materials/Parts
Hub and drum removed (page 4-113).
Cloth, crocus (item 4, appendix E)
Solvent, drycleaning PD-680
(item 16, appendix E)
ACTION
ITEM
REMARKS
LOCATION
REPAIR
WARNING
Drycleaning solvent PD-680 is both toxic and
flammable. Avoid prolonged breathing of vapors and
avoid skin contact. Do not use near open flame or
excessive heat.
Brakedrum (1)
a. Wash thoroughly with solvent.
1.
b. Allow to air dry. Do not use
compressed air.
Inner braking
Check for heat checking, scoring,
Brakedrum (1)
2.
surface (2)
warpage, or cracks.
Cracked drums must be replaced.
Do not weld.
NOTE
Slight scoring conditions can be corrected by
polishing with crocus cloth. Heavy scoring and out-
of-round conditions require turning the brakedrum on
a refinishing lathe.