Window Casement Operator Broke

A handy person from Toronto, Ontario, Canada says:
This mechanism is over 20 years old. The crank broke and cannot close the window. I need a replacement for 2 windows.
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Bob from SWISCO responded:

Thanks for posting. Yes, it appears the worm gear has come apart; when this happens, I'm afraid the entire casement operator has to be replaced. I'm confident we can help you find a replacement, but we need to see the entire operator out of the window, including the link arm(s). From there, we'll do our best to find a match. For information how to remove and replacement casement window operators, see the video below.

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