Casement window repair

A handy person from MD says:
Hello!

I have a window that is not closing fully. I am guessing an issues with the handle or operator?

The part number at the bottom of the operator is OP05-7554-03. Not sure if this helps identify what a compatible replacement would be?

Any advice would be greatly appreciated.

Thank you!
Thumbnail of the uploaded file named Sash gap
Thumbnail of the uploaded file named Stamp numbers
Thumbnail of the uploaded file named Operator
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Casey from SWISCO responded:

Hello,

We can't be sure of what is causing the problem without being there to troubleshoot but I can tell you that your operator resembles the 39-330. We also carry the 39-329 opposite-handed version. Both parts use the 39-232 handle. 

Alternate image for 39-330
Alternate image for 39-330

Side profile view with measurements
Side profile view with measurements

You may also want to check the top and bottom hinges for any damage, which could also be causing the window not to close fully. If so, take a look at the 36-048 hinge set with a 10" base. Thanks for posting! 

Detail of 36-048
Detail of 36-048

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