TM-9-2815-205-24 Technical Manual for M113 Engine 6V53 6V53T Download
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GLOSSARY - Continued Term Definition Leakage Evidence of a fluid beyond its container Meniscus The lowest point of a fluid in a narrow container Multimeter A general purpose electrical meter used to measure amperage, voltage, and resistance. Nick A small groove or notch. Usually, displacement of material rather than loss. Overheating A condition indicated by discoloration of parts which usually results in a loss of hardness. Usually caused by a lack of lubrication, malfunction of parts, or excessive wear. Parent Metal Original machined or cast metal form or shape/Base metal Peen To deform metal caused by pounding with a hard object. Pitting A material surface cavity, usually with defined rough edges. Usually caused by rust and corrosion. Radial Going from the center outward or from the circumference inward along a radius. A circular direction at a specific radius. Repair A process of fixing something that is damaged or worn or does not operate or function properly. Rub Evidence of friction caused by contact of two items. Runout The different surface level of a machined surface when a part is turned axially. Scoring Deep tears or breaks in material surfaces from foreign contact under pressure. May show temperature effect from high friction. Scratch A slight tear or break in material surface from momentary foreign contact. Spline A keyway between two mating parts. Usually used with multiple keyways. Teflon Synthetic fluorine-containing resins (polytetrafluoroethylene) used for molding articles and for coatings to prevent sticking. Uneven Wear Excessive wear in local areas. Includes hollows, shiny spots, uneven polish, and abrasions of parts subject to fluid, air, or gas flow. Wear Loss of material from contacting surfaces. Normal wear is the slow loss of material from contacting surfaces. Wear usually has a polished finish and leaves a pronounced pattern. TM 9-2815-205-24 Glossary-2