Casement window opener

A handy person from Coronado, CA says:
March 20, 2022
Swico:

We live in a four unit condo. Each unit has a bay window with two casement side portions ? one left opening and one right opening. Several of them require several spins of the window crank before they start to move which, I'm guessing, indicates worn or stripped gear teeth. Based on the attached photos, can you identify the appropriate replacement openers before I go to the trouble of prying up the wooden trim pieces?

Thanks,

John
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Bob from SWISCO responded:
March 22, 2022

Hello there. Is the straight arm 9-1/2" long? It looks like it might be, but please confirm. If so, you might be able to use our 39-027E and 39-028E type operators. Please compare and see if you agree. 
Ellipse Style Single Arm Operator, 9-1/2"
Ellipse Style Single Arm Operator, 9-1/2"
39-028E
$20.70
Ellipse Style Single Arm Operator, 9-1/2"
Ellipse Style Single Arm Operator, 9-1/2"
39-027E
$20.70
Crank Handle, 11/32"
Crank Handle, 11/32"
39-114L
$4.42
Truth Hardware Low Profile Sash Lock
Truth Hardware Low Profile Sash Lock
38-075
$10.37
Casement Window Keeper
Casement Window Keeper
38-089
$2.27
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