Paul from SWISCO responded:
October 30, 2014
On the 15-015 pivot shoe, the cam will be in horizontal position, which allows it to slide up and down. To lock the shoe, place a slot screw driver into the cam and turn them to the vertical position to lock them in place. Don't lock the shoes at equal heights. Have one pivot shoe higher then the other so you can install the sash with pivot bars. Hopefully that will help.
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