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TM 9-2320-364-34-2
11-12
11-3. BRAKE DRUM INSPECTION/REPAIR (CONT).
Brake drum weighs 134 lbs (61 kg). Use lifting device or aid of an assistant to lift drum.
Failure to comply may result in injury to personnel.
(3)
Install brake drum (1) on turning equipment.
NOTE
Machine drum only enough to obtain a smooth, clean finish, free of pits, grooves or cracks.
(4)
Reface braking surface (2) with brake drum lathe, removing a m aximum of 0.01 in. (0.25 mm) per cut.
(5)
Remove brake drum (1) from turning equipment.
Do not use brake drum that exceeds maximum wear specification. Failure to comply may
result in brake failure and serious injury or death to personnel.
NOTE
Take four measurements 45 degrees apart.
(6)
Discard brake drum (1) if inside diameter is larger than 16.625 in. (42.228 cm) after repair.
(7)
Check braking surface (2) for glossy or heat spots. If glossy or heat spots are visible, clean with crocus
cloth.
b.
Follow-On Maintenance:
Install brake drum, (TM 9-2320-364-20).
END OF TASK
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