Originally Posted by Brantel
There have been some mentions on here about the orientation of struts and how they spend most of their life. The energy was around the seal on the shaft and the oil that is inside of the strut. The advice was to orient the strut in an manner that allows the seal to be on the end that has the oil most of the time.
Maybe this is applicable here?
Orientation, at least for the bainsbach struts, is important for dampening at the end of the extension cycle. The strut is designed to only dampen the end of the extension cycle if it is oriented with the body up/piston down at the end of the extension. Unsure if this also helps the seal. Installed the other way, the door will continue to accelerate all the way through the opening cycle, which could put a lot of stress on the doors if the struts are powerfull enough, relative to the door weight.