SAE Standards Works
A-5B Gears, Struts and Couplings Committee
ARP6408 - External Hydraulic Fluid Leakage Definition For Landing Gear Shock Absorbers
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External Hydraulic Fluid Leakage Definition For Landing Gear Shock Absorbers
The purpose of this SAE Aerospace Recommended Practice (ARP) is to provide a reasonable definition of external hydraulic fluid leakage exhibited by landing gear shock absorbers. The definition will outline normal and excessive leakage that is measureable and routinely encountered in newly assembled refurbished/remanufactured components, leakage during acceptance flights, recently delivered and in-service aircraft.
A clear understanding of leakage definition will result in minimizing what is often the unnecessary removal of landing gear shock absorbers from an aircraft. The leakage definitions are intended to control the quality, assembly and proper functioning of hydraulic landing gear shock absorbers.
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