Window Operation 8 1/2 long

A quick learner from Puerto Rico says:

I have included 3 photos. Please tell me what the correct pieces are. 

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Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:

I am not quite 100% certain. Our closest matches we have appear to be our 39-001 and 39-002 operators. Look each part over and let us know what you think. 

Anatomy of a casement window
Anatomy of a casement window
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