there was a post about this sort of thing the other day had some very helpfull answers. try searching for it .
what i THINK it was along the lines of the pully is turned so the woodruff key is pointed directly up or down @tdc ive not had any run ins with verniers so i dont really know.
tony
Last edited by sortedsaff; Oct 2, 2008 at 11:10 PM.