Bob from SWISCO responded:
August 9, 2023
Thanks for posting. I believe the casement operator is an older version of either the 39-035 or its opposite-handed counterpart, the 39-036 type. Please compare the diagrams below with your original operator and let me know if anything differs. For a new cover and handle, see the 39-114L and 39-107. For new stud brackets, see the 39-524. Dimensions for 39-035
Dimensions for 39-036
If you need to replace the hinge set for the window, see if the 10" 36-048 matches what you need. Detail of 36-048
Additional dimensions for 36-048
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