While you wait for answers, we may have found some information which could help you.
Success
Message
Take up reel not turning?
Eumig S910 take up spool not spinning Please Help?
Bell and Howell 626 projector - no volume?
How can I change the drive belt on my Eumig 610D projector?
Eumig 610D?
Bell & Howell projector?
How To open a Reflecta Diamator AFM?
Sears du all 8mm projector?
How can I repair take up reel when it doesn't spin?
How do you replace the belt on a Bell & Howell #1421 Super 8 Projector?
Lamp holder?
Canon S400 projector - take up reel does not turn?
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix film projectors.