window crank for casement window

A home owner from Providence, RI says:

April 23, 2016

recently purchased a 39-089 to replace the older one pictured next to it. control arm is the correct 5" but the crank arm on the old one is slightly different shape and 1" longer. Also picture 2 shows where there used to be a 3rd mountinf screw in a plate that was 90 degrees to the body entered on the main rivet. Any solutions?

User submitted a photo of a window operator.

Dave Sr. from SWISCO responded:

April 26, 2016

I'm afraid we only received one picture from you, which unfortunately does not show us much. is there any way you can show us a few more pictures of the operator arms? I would also like to see a picture of the whole operator by itself.

A quick learner from Providence RI says:

April 26, 2016

Here's pic 1 side by side with the 39-089

User submitted photos of a window operator.

Dave Sr. from SWISCO responded:

April 28, 2016

Ah, I see the problem. According to your order history, you purchased our 39-187, not the 39-089. The 39-187 also matches the operator in your picture. The 39-089 actually would be the proper replacement. The difference between these two operators is that the 39-187 has an "M" shaped gear arm, while the 39-089 has a "Z" shaped gear arm.

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