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AIR4713 - Aerospace - Chlorinated Solvent Contamination of Mil-H-5606/Mil-H-83282 Vehicle Hydraulic Systems

Details
Document Number: AIR4713
Revision Number:
Title
Aerospace - Chlorinated Solvent Contamination of Mil-H-5606/Mil-H-83282 Vehicle Hydraulic Systems
Scope
Although there is controversy regarding the chemical form of chlorine and its relation to harmful effects in the hydraulic fluid (i.e., chloride ions versus organic chloro-compounds versus total chlorine in all forms), it is generally agreed that total chlorine content should be measured and controlled. In the near future, the ban on the manufacture of chlorinated solvents, out of concern for depletion of the ozone layer, may in itself diminish or eliminate chlorine contamination related aircraft malfunctions. It is generally accepted that hydraulic fluid contamination should be held to a minimum under all conditions. The benefits of low contamination levels are improved performance, lower maintenance due to lower wear, corrosion and erosion, longer fluid life, longer component life, etc.
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