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Achieving Cleanliness Standards for Aircraft Hydraulic Systems During Manufacture
- Aerospace Standard
Published May 12, 2014 by SAE International in United States
Downloadable datasets availableAnnotation ability available
This SAE Aerospace Recommended Practice (ARP) establishes the processes to achieve and maintain the required cleanliness levels in flight vehicle hydraulic systems during fabrication, assembly and pre-flight functional tests.
This recommended practice covers exclusion and removal primarily of solid contaminants that occur or are created during these successive steps. The flushing procedure for installed tubing is detailed. This ARP does not address contamination levels of hydraulic fluids as purchased, operation and maintenance of ground carts, details of component cleanliness or of contamination measurement.
This ARP applies to military aircraft and helicopters designed to AS5440, commercial aircraft hydraulic systems designed to ARP4752 and commercial helicopter hydraulic systems designed to ARP4925.
ARP5891 has been reaffirmed to comply with the SAE five-year review policy.
|Aerospace Standard||High Temperature Pneumatic Duct Systems for Aircraft|
|Aerospace Standard||Aerospace Fluid Power-Hydraulic Thermal Expansion Relief Valves|
Data Sets - Support Documents
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|TABLE A1||Density and Viscosity for Three Fluids|
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A-6A2 Military Aircraft Committee
The Military Aircraft Panel is responsible for the development of standards and recommended practices related to the integration of fluid power and actuation technologies into military air vehicles. The panel provides a forum for government engineers, prime contractors, suppliers, and fleet support representatives to exchange technical information and discuss regulatory updates, recent technology developments, lessons learned, and issues related to system development and in service operation.
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