I put a rebuilt hydrovac on my 55 (6400). I read
in the technical manual "Fill vacuum power cylinder with Bendix Vacuum Cylinder Oil to the level of the lubrication plug." Well I went to the part store and ask for some of the oil and they never head of it and said to use hydraulic oil. I got a gallon and proceeded to fill her up.
Of course it ran out the vacuum line hole pretty quickly! Where exactly is the level of the lubrication plug and is hydraulic oil the correct
thing to use?
