SWISCO - The Replacement Hardware Authority

Problem with new window crank

A home owner from Syracuse, NY says:
I ordered replacement cranks for Andersen windows (part #39-020). After they were installed the gears on several of the cranks stripped on the first use. If the window is pushed open a few inches the gears reengage, but the cranks will not fully close the windows.
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Donna from SWISCO responded:
Our 39-020 actually isn't typically used with Andersen windows. How closely did it match your original hardware?

Also, try this. With the operator removed, try to manually open and close the windows. How do they work?
A home owner from Syracuse, NY says:
It was a close match to the original hardware. The arm was the same exact length, and the round pivot on the end was exactly the same size as what was on the original. I installed one and it worked fine. The windows are a 1958 Andersen casement style. Even though they are old, they still open and close well. I bought the track lubricant and I have oiled the hinges. A fair amount of torque has to be applied as the window is almost closed, and this is the stage that is a problem.

Is there other hardware available that would be a better fit?
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Tom from SWISCO responded:
I honestly can't say. I would have to see a few pictures of your original operators in order to recommend a better match. Would you happen to still have them handy?
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