Casement Window Operator Replacement

A quick learner from Virginia says:
February 24, 2024
Dear Expert - recently purchased an older home and realized some of the window operators were broken. I have included pictures of the broken one as well as one of the functioning ones for reference.

Please advise what replacement parts are needed. Than you kindly!!!
Thumbnail of the uploaded file named operator base
Thumbnail of the uploaded file named casement window operator
Thumbnail of the uploaded file named operator arms
Thumbnail of the uploaded file named worm gear
Thumbnail of the uploaded file named casement window operator
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Emily from SWISCO responded:
February 26, 2024

Hey there! 

We appreciate you reaching out to us. Have a look at the 39-031 and 39-032 operators as well as the 39-155 and 39-156. The best match will depend on the size of the link arm as shown in the photos below. For a new cover and handle, see the 39-107 and 39-114L which are sold separately.

I'll be here if you have any questions!

Dimensions for 39-031
Dimensions for 39-031

Dimensions for 39-032
Dimensions for 39-032

Dimensions for 39-155
Dimensions for 39-155

Dimensions for 39-156
Dimensions for 39-156
EntryGard Dual Arm Operator
EntryGard Dual Arm Operator
39-031
$29.70
EntryGard Dual Arm Operator
EntryGard Dual Arm Operator
39-032
$29.70
Caradco Window Crank, 9-1/2"
Caradco Window Crank, 9-1/2"
39-155
$29.85
Caradco Window Crank, 9-1/2"
Caradco Window Crank, 9-1/2"
39-156
$29.85
Truth Hardware Operator Cover
Truth Hardware Operator Cover
39-107
$3.30
Crank Handle, 11/32"
Crank Handle, 11/32"
39-114L
$4.42
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