a. GENERAL. All parts must be cleaned well and kept clean during maintenance. Dirt or foreign matter can cause malfunctions and equipment failure. Cleaning procedures are covered in the task relating to the specific part. When using adhesives, paint, or dry cleaning solvent, apron, gloves, and goggles should be worn, and a respirator should be used if not working in a well-ventilated area.
b. AVOID ABRASIVES. Except where called for in a task, do not use abrasives, files, wire brushes, or sharp tools. On some surfaces, finish is important to the operation of close-fitting parts.
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