Casement window hardware & handles

A home owner from Wheeling IL says:

Hello! Could you please help me select correct replacement hardware and handles for these windows? The long arm length is 9"

Not just the arm mechanism, but what else would I need? Crank? Covers? Those metal plates that screw into the window? Can I use any screws to attach? As you can see these are pretty old and do not open windows very well. Arm constantly pops off. Cranks are all stripped.

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Jasmine from SWISCO responded:

Thanks for writing in! Your casement operator closely resembles either our 39-031 or our 39-155. To determine which of these is the correct replacement, you'll need to compare the dimensions for the arms; especially the link arm. Take a look at the diagrams below for reference.

Dimensions for 39-031
Dimensions for 39-031

Dimensions for 39-155
Dimensions for 39-155

These operators are compatible with the 39-107 cover along with the 39-114L non-folding handle, like the one you have or the folding crank handle, part 39-205. Another replacement option is the 39-107FK , which is a folding crank and handle kit.

Our 33-079 screws may work for your installation but it may be best to keep the existing screws, just in case.

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