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Emily from SWISCO responded:
September 16, 2021
Hi, Chanda. Thank you so much for your patience during our busy season. Start by taking a look at our 39-022 and 39-023 operators and carefully compare our dimensions to yours to see if this matches your original hardware. You don't need to be handy in order to replace these operators, but if you're not entirely confident some help couldn't hurt. You also don't need to remove the window if you're only replacing the operator. I hope this helps and good luck with your repair! If you have any questions just let us know. |
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Emily from SWISCO responded:
September 17, 2021
It looks like you're measuring the hinge. You'll want to measure the operator's arm. Removing the operator from the window will give you the most accurate measurement as well. Take a look at the picture below as a reference. Our 39-022 and 39-023 operators does not include instructions or installation hardware, but the installation and removal process is fairly simple. I'll walk you through it. Step 1: Detach the end of the arm from the track; there is usually a gap in the track that you can use to push and pull the arm free Step 2: Unscrew the base from the sill; in the case of the 39-022, the screws are on the outside of the frame Step 3: Pull it out 
Dimensions for 39-022
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