While you wait for answers, we may have found some information which could help you.
Click here for 8mm Projector WorksSears du all 8mm projector?
How To open a Reflecta Diamator AFM?
Canon S400 projector - take up reel does not turn?
Take up reel not turning?
Eumig 610D?
How do you replace the belt on a Bell & Howell #1421 Super 8 Projector?