operating mechanism

A landlord from NJ says:
Hi. the part that help the handle to turn is not working. When I opened it up and looked inside, I realized that a flat piece is no longer attached that helps the cranking to take place. There is no connection to the round grooved part that looks like a wheel. I hope this is clear enough.

User submitted a photo of a window operator.
Profile picture of Tom
Tom from SWISCO responded:
I'm not sure what you mean, exactly. Do you need to replace the whole operator? If so, see our 39-147 for a possible match.
A landlord from NJ says:
Yes,I do believe so
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