Help getting pivot shoes out of aluminum windows

A quick learner from NY says:
September 6, 2020

I am a Board member for a Catholic Academy in Brooklyn. I'm trying to repair parts of the windows which I can, with your help. So I do wish the windows were vinyl but they're not. They appear to be extruded aluminum very large and very old ( 40 yrs approx. ) Let me know if there is any easy way of getting out the pivot shoes. I want to order these, balances and tilt latches in bulk quantities at first. Naturally I want to get the correct replacement parts before I start the project. Thanks for your help.

Kevin

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Tom from SWISCO responded:
September 10, 2020

Hello, Kevin. Most windows have pre-made cutouts at the top of the track (for the bottom sash) or bottom of the track (for the top sash) that allow you to pop the pivot shoes out. If you have no such cutout, then you have to make one. The video below will explain how.
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