Anderson Window Casement Window Mechanism.

A quick learner from South Dakota says:

I just moved in to a new house and need some help with my AW Casement Windows.

One of the mechanism isn't working properly. It will open the window but not close it. When I go to close it, the entire operator handle gear just screws out. Upon further inspection I noticed that the piece that is meant to keep the gear from screwing out is missing. I pictured a working mechanism with gear held in place as a reference photo.

What do I need? Can I just purchase a piece to hold the gear down? Do I need an entirely new mechanism? Any help you could provide would be greatly appreciated.

Thanks in advance.

User submitted photos of a window operator.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
Looks like the operator gears are worn out. That handle gear is not meant to come out. The whole thing will need to be replaced. See our 39-095 for a possible replacement, but just make sure the dimensions all match up.
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