The 39-286 does not fit on my operator

A home owner from Massachusetts says:
October 3, 2014
I purchaded item 39-286 and it doesnt fit. Any suggestions on wgat size to try now? See attached photos.the numbers on the handle say 60-c-704-62 and small #2 in the corner.thank you.
User submitted photos of a window operator.
Profile picture of Paul
Paul from SWISCO responded:
October 6, 2014
It's hard to say without more information. The 39-286 is meant for a 3/8" bore. What size is yours?
A quick learner says:
October 6, 2014
its 3/8" by my measures ..when i put it on,the end goes too far down and wont screw on
Profile picture of Tom
Tom from SWISCO responded:
October 6, 2014
It's possible your old bore has worn down over the years. Try using a piece of scotch tape or adhesive, that may help keep the handle on. Otherwise, it may be time for a new operator.
A quick learner says:
October 6, 2014
Ok. Thank you so much
Reply to Thread
Use this form to ask a follow-up question or to share your experience regarding this subject.
(your email address will be kept private and is only used to inform you when a response has been made)
Current wait time is 4-7 business days
We promise that one of our experts will personally get back to you as soon as they are able. Thank you very much for your patience and understanding. If your inquiry is time-sensitive, please feel free to reach us at 856-317-6263 or at help@swisco.com.