While you wait for answers, we may have found some information which could help you.
Click here for Bottom Bell Howell ProjectorSears du all 8mm projector?
How do you replace the belt on a Bell & Howell #1421 Super 8 Projector?
Take up reel not turning?
How To open a Reflecta Diamator AFM?
How can I repair take up reel when it doesn't spin?
Eumig S910 take up spool not spinning Please Help?