TM-9-2330-227-14-P
SEMITRAILER, VAN: SHOP, 6-TON, SINGLE AXLE, M146
TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST)
JUNE 1985
TM-9-2330-227-14-P - Page 321 of 576
TM 9-2330-227-14&P
BRAKEDRUM REPAIR - CONTINUED
ACTION
LOCATION
ITEM
REMARKS
REPAIR - CONTINUED
NOT E
Slight scoring conditions can be corrected by polishing with crocus cloth. Heavy
scoring and out-of-round conditions require turning brakedrum on a refinishing lathe.
3.
Brakedrum (1)
Place brakedrum on a level surface, and
check as follows:
1. Position micrometer tips at center
of drum braking surfaces (2).
Move horizontally and vertically
while adjusting until maximum
contact is made.
2. Turning 45° each time, repeat
adjustment to obtain four readings.
Record each reading.
3. Check readings: The maximum dif-
ference between four readings can
not exceed 0.006-inch (0.015 mm).
Drums with out-of-round
exceeding limits must have
diameter trued on lathe.
NOT E
Brakedrums must have hub and stud assemblies installed in order to turn brakedrums on
refinishing lathe.
5-47
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