Plastic guide cracked.
A handy person from Naperville, IL says:
April 10, 2016
The plastic piece HG04 2001that holds the pivot pin is cracked & is pushing the window to far. What is the part number for this item. Thanks, Ken Sr
Paul from SWISCO responded:
April 12, 2016
We do not carry this exact hinge set, but I think you might be able to use our 36-013-10 as a substitute. Look it over and let me know if you agree.