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    Requirements for an Effective Program in Fluid Contamination Control

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    Contamination control in a hydraulic system means that the filtration equipment of a system has established a fluid contamination level which is within the contaminant tolerance specifications of the hydraulic components. Such a control condition is not beyond the realm of practicality and must be achieved if hydraulic systems are to function in an optimal manner. Sufficient technology has been developed to permit the specification of the requirements for achieving, maintaining, and appraising contamination control conditions.

    This paper reviews the present status of the various factors which are involved in achieving contamination control conditions. A general discussion is presented of such details as sample bottle cleaning, fluid sampling methods, fluid contamination analysis, component tolerance profiles, and filtration performance specifications.


    hydraulic equipment, hydraulic fluids, filtration, tolerances (mechanics), cleaning, maintenance, contaminants, concentration (composition), particle size distribution, gravimetric analysis, cleaning

    Author Information:

    Fitch, E. C.
    Professor, Oklahoma State University, Stillwater, Okla

    Committee/Subcommittee: D02.N0

    DOI: 10.1520/STP44726S