This report covers the investigation by the Chemical Subgroup of the Fire-Resistant Hydraulic Fluid Task Force. The Task Force was organized in 1975-76 to address the problems arising from the introduction of the new 'less-flammable' MIL-H-46170, 'Hydraulic Fluid, Rust-Inhibited, Synthetic Hydrocarbon Base, Fire-Resistant.' The problems were associated with stuck/inoperative servovalues in the gun control system of the M60A1 (AOS) tanks. The problems were subsequently identified with one cornpany's product which contained a trace amount of a water-coupling inhib itor, polypropylene glycol. The inhibitor in the pressence of absorbed moisture caused coprecipitation of the rust inhibitor which deposited on the critical surfaces of spool valve systems. (Peters)


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    Title :

    Investigation of the cause of hydraulic system malfunction of M60A1 (AOS) tanks using MIL-H-46170 synthetic-base hydraulic fluid


    Additional title:

    Untersuchung der fehlerhaften Funktion des Hydrauliksystems bei Panzern vom Typ M60A1 (AOS) bei Verwendung von Hydraulikfluessigkeit auf Synthesebasis nach MIL H-46170


    Contributors:
    LePera, M.E. (author) / Messina, J. (author) / Mullinger, H. (author) / Snyder, C.E. (author)

    Published in:

    Publication date :

    1978


    Size :

    34 Seiten


    Type of media :

    Report


    Type of material :

    Print


    Language :

    English




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