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 TM 9-2320-303-24-2
BRAKE DRUM REPAIR
THIS WORK PACKAGE COVERS
Repair
INITIAL SETUP
Materials/Parts
Maintenance Level
Direct Support
Cloth, abrasive (Item 10, WP 0312 00)
Tools and Special Tools
Equipment Condition
Tool kit, general mechanic's (Item 102, WP 0313
Brakedrum removed from vehicle (WP 0154 00
Lathe, brakedrum (Item 53, WP 0313 00)
or WP 0155 00)
REPAIR
CAUTION
If maximum inside diameter is exceeded, to prevent damage to equipment, brake drum must be replaced.
1.
Check brake drum inside diameter. Refer to Table 1 for diameter.
2.
Brake drum (1) must be round within 0.003 in (0.076 mm). If brake drum is out-of-round, machine brake drum. Refer to
Table 1 for machining specifications.
1
2
3.
Check brake drum surface (2) for cracks or badly scored finish. If brake drum is cracked or scored, machine brake drum.
Refer to Table 1 for machining specifications.
4.
Check brake drum surface (2) for glossy or heat spots. If glossy or heat spots are visible, clean brake drum surface with
abrasive cloth.
5.
Check brake drum (1) for external or mating surface cracks. If cracks are visible, replace brake drum.
6.
Check brake drum (1) for balance weight. If balance weight is missing, replace brake drum.
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