TM 9-2320-209-20-3-1 c. Cleaning, Inspection, and Repair. WARNING Dry cleaning solvent is flammable. Do not use near an open flame. Keep a fire extinguisher nearby when solvent is used. Use only in well– ventilated places. Failure to do this may result in injury to personnel and damage to equipment. (1) Using clean cloth dampened with solvent, clean bracket inside and outside of housing. Clean all screws, nuts, and washers by rinsing them in solvent. (2) Check housing for dents, cracks or other damage. Check screws and nuts for damaged threads. (3) Throw away damaged parts and get new ones in their place. 7-152