Ok. They were talking about how the Rotrex works over in the Jackson Racing Tread:
http://www.ft86club.com/forums/showthread.php?p=1460289
I called KW today: I was told that it is strongly advised against turning the unit counter clockwise as you would risk the screws holding the planetary gears together from loosening up.
And there's also an image that helps explain the answer I was given from that Jackson thread.
http://www.ft86club.com/forums/showp...&postcount=282