Window crank

Quick Learner
I have a 4 inch arm similar to 5 inch arm in part number 39-187.
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Lauren
Lauren from SWISCO
SWISCO
Expert

Hello, thank you for posting,

This short-arm operator is no longer available. Our recommended fix is to use a 3/32" drill bit to remove the rivet in the arm of your old operator. That will free the old 4-1/2" arm. Then, use the drill to remove the same rivet from the new operator. Remove and discard the new 5" arm.

You'll take the old 4-1/2" arm and, using a 62-014B rivet, you will attach the old arm to the new operator. That will allow you to replace this old operator. Let me know if you have any questions.

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