TM-9-2320-361-24-2 Field Maintenance Manual Volume 2 for M44A2 Series Trucks
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TM 9-2320-361-24-2 0456 00 0456 00-2 PARKING AND SERVICE BRAKEDRUM REPAIR (Contd) CLEANING AND INSPECTION WARNING • Do not use compressed air or dry brush for cleaning when working in areas of vehicle where asbestos brake lining dust may accumulate. Remove asbestos dust and other residue from these areas using a soft bristle brush or cloth soaked with water. Breathing asbestos dust may cause injury to personnel. • Skysol 100 solvent is combustible; DO NOT use or store near heat, sparks, flame, or other ignition sources. Use mechanical ventilation whenever product is used in a confined space, heated above ambient temperatures, or agitated. Keep container sealed when not in use. Contact with Skysol 100 may cause skin irritation. Use chemical-resistant gloves. In case of skin contact, remove any contaminated clothing and wash skin thoroughly with soap and water. Wash contaminated clothing before reuse. Eye contact may cause irritation, tearing, or blurring of vision. Use face shield or goggles when eye contact may occur. In case of eye contact, flush eyes with large amounts of water for at least 15 minutes or until irritation subsides. Inhalation may cause irritation to upper respiratory passages. DO NOT have food or drink in the vicinity. Failure to comply may result in injury to personnel. 1. Clean parking or service brakedrums (1) or (2) with Skysol 100 and soft bristle brush. Allow to air dry. 2. Inspect parking or service brakedrums (1) or (2) for warps or cracks. Replace if warped or cracked. 3. Inspect parking or service brakedrums (1) or (2) for scores or pits. If scored or pitted, measure inside diameter. a. Replace parking brakedrum (1) if inside diameter is greater than 13.41 in. (34.06 cm). b. Replace service brakedrum (2) if inside diameter is greater than 15.0 in. (38.1 cm). 4. If inside diameter is less than 13.41 in. (34.06 cm) for parking brakedrum (1) or less than 15.0 in. (38.1 cm) for service brakedrum (2), repair (1) or (2), as necessary. REPAIR 1. Remove scores or pits from parking brakedrum (1) or service brakedrum (2) by machining (TM 9-4910-482-10). 2. If parking brakedrum (1) or service brakedrum (2) were machined, measure inside diameter. If inside diameter measurement is greater than limits, replace parking brakedrum (1) or service brakedrum (2). 3. Install service or parking brake (WP 0187 00 or WP 0188 00).