Operator for a casement window in a bay window

A quick learner from Wisconsin says:
We have a bay window with a casement window that does not work very well. I'd like to replace it. I do not know the maker of the hardware though or that of the bay window. How would I find out what part to get to replace the operator with? Currently, when cranking the operator, the gears do not fully engage.
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Emily from SWISCO responded:

Hello!

It sounds like your operator is stripped. We may be able to help but we'll need more information. Can you open the window and show us a full view of the entire operator, including the arms?

A quick learner from Wisconsin says:
Here are photos of the left hinge window. I need the operator for the right hinge version. I just could not get to it easily. Below are some of the numbers on it:

05-C6
1361424
9/30/97/2

Again, I need the right hinge version.

Thanks heaps!
DLS
Thumbnail of the uploaded file named anderson left hinge window hardware 2 92023.jpg
Thumbnail of the uploaded file named anderson left hinge window hardware 92023.jpg
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Emily from SWISCO responded:

Thanks so much for the additional photos! They're a huge help. I recommend you take a look at the 39-264 Andersen operator which can work on both left and right swing windows. Look over the specifications and see what you think. We also sell the compatible 39-152 cover and 39-267 handle. 

Dimensions for 39-264
Dimensions for 39-264

Connecting a casement window operator to stud bracket
Connecting a casement window operator to stud bracket
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Anatomy of a casement window
Anatomy of a casement window
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