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TM 9-2320-364-34-2
11-11
Materials/Parts
Cloth, Crocus (Item 12, Appendix B)
Solvent, Drycleaning (Item 68, Appendix B)
This task covers:
a. Inspection and Repair
b. Follow-On Maintenance
INITIAL SETUP
Personnel Required
Two
Equipment Condition
Brake drum removed, (TM 9-2320-364-20)
Tools and Special Tools
Tool Kit, General Mechanic’s
(Item 240, Appendix F)
Lathe, Brake Drum (Item 133, Appendix F)
11-3. BRAKE DRUM INSPECTION/REPAIR.
a.
Inspection and Repair.
Drycleaning Solvent (P-D-680) is TOXIC and flammable. Wear protective goggles, face
shield, and gloves; use only in a well-ventilated area; avoid contact with skin, eyes, and
clothes, and do not breathe vapors. Keep away from heat or flame. Never smoke when
using solvent. The flashpoint for Type II Drycleaning Solvent is 140 degrees F (60 degrees
C) and Type III Drycleaning Solvent is 200 degrees F (93 degrees C). Failure to do so may
result in injury or death to personnel.
If personnel become dizzy while using cleaning solvent, immediately get fresh air and
medical help. If solvent contacts skin or clothes, flush with cold water. If solvent contacts
eyes, immediately flush eyes with water and get immediate medical attention.
Brake drum may be coated with dust. Breathing dust may be harmful to personnel. Do not
use compressed air to clean brake drum. Wear filter mask approved for use against brake
dust.
(1)
Clean brake drum with drycleaning solvent.
NOTE
Brake drum must be round within 0.003 in. (0.076 mm). If drum is out of round, go to Step (3).
(2)
Check brake drum for badly scored finish, heat cracks or other damage. If drum is scored, machine
drum. Go to Step (3).
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