Crank gear slipping
A quick learner from Cambridge ont Canada says:
May 30, 2016
We have at least 4 windows that we can open or close with the crank. They are approx 3' tall by 15" wide. Please see pictures. Thanks
Tom from SWISCO responded:
June 1, 2016
Thanks for posting. If possible, please remove your operator from the window and show us a picture of the whole thing by itself. That will help us find a good match for it.