Window crank sytem

Question

I think it's on a milguard window. The gear that is on the crank isn't connecting and may be worn. There's notcalitvof numbers to go by

Emily · Accepted Answer

Hi there!

Thanks for reaching out to us. The 39-253RB and 39-439B operators come to mind. One of these could be what you need depending on the guide used at the end of the operator's arm. The video below will go over the differences.