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How the AOAP Works
Currently, the Army has enrolled 1,751 individual ground system components in the AOAP. Oil and filters in these components are changed only when recommended by an AOAP laboratory. Oil samples are evaluated in one of the AOAP's 5 laboratories located outside of the continental United States (OCONUS) or in one of its 19 CONUS labs. Oil analysis diagnoses the physical condition of the lubricant, such as its viscosity, fuel dilution, or water content, and the condition of the engine, transmission, and hydraulic systems from which the sample is taken. The analysis can determine problems such as contamination, faulty air-induction systems, leaking cooling systems, loose fuel-return lines, and abnormal wear rates of moving metal parts.
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