Ah I missed that he took the lines out. You can actually pretty much remove all the fluid from the PS racks and put a loop between them so you're only pushing air. Even a capful of fluid inside the rack is enough to lubricate it... the lubricity of the PS oil is pretty much only for the pump.
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"¿ʞɐǝɹɟ ɐ ǝɹ,noʎ uǝɥʍ 'ʇı ʇ,usı 'ʎlǝuol s,ʇı"
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