Dave Sr. from SWISCO responded:
May 22, 2014
I have found a couple of matches, but none are exact. The 39-066 has an 8-3/4" link arm, but the gear arm is different. The 39-089 has a similar gear arm, but no offset and a short link arm. In fact, I could not find any operators in this style that have a gear arm that bends down. Normally, it bends up. Could it be yours was bent after the window was installed?
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