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SAE ARP4268
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SAE ARP4268 Revision A, February 1, 1994
Aerospace Hydraulic System Fluid Contamination - Location of Sampling
Points
Description / Abstract:
The scope of this Aerospace Recommended Practice (ARP) covers
where, when, and how often to sample hydraulic system fluid on
aerospace vehicles for particulate contamination measurements.
The measurement of hydraulic fluid particulate contamination is of concern to the aerospace community because of the critical importance of hydraulic equipment reliablility. Contamination is always present in the system fluid, even in new unused fluid. Contamination must be below a level that will not adversely affect system operation. This ARP draws from aerospace industry experience and practice to establish criteria for fluid contamination sampling recommendations in aerospace vehicle hydraulic systems. Fluid samples can then be subjected to measurement of particulate contamination and of other harmful contaminants such as chlorinated solvents and water.
The measurement of hydraulic fluid particulate contamination is of concern to the aerospace community because of the critical importance of hydraulic equipment reliablility. Contamination is always present in the system fluid, even in new unused fluid. Contamination must be below a level that will not adversely affect system operation. This ARP draws from aerospace industry experience and practice to establish criteria for fluid contamination sampling recommendations in aerospace vehicle hydraulic systems. Fluid samples can then be subjected to measurement of particulate contamination and of other harmful contaminants such as chlorinated solvents and water.
SAE ARP4268 Revision A, February 1, 1994
Aerospace Hydraulic System Fluid Contamination - Location of Sampling
Points