SWISCO - The Replacement Hardware Authority

I dont understand how 39-264 works with 39-362

A quick learner from Wisconsin says:
I just received a replacement crank arm operator & adapter plate. I'm confused as to how the adapter is to be installed. do the 2 tangs go down into the wood slot or face up & position the mechanism??
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Tom from SWISCO responded:
Thanks for posting! no, the two tangs go up and clip on the frame of the 39-264. Check out the animated image below.

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After that, it should just screw into the frame.
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