While you wait for answers, we may have found some information which could help you.
Click here for Sears Projector Thread
Why does the Sears Du-All Eight projector run at a slow frame rate?
how do i thread my sears design 584 projector?
Anyone have instruction manual for Sears Du-All eight projector?
how to thread a 584.92560 sears 8mm projecter?
sears projector model 584 92330?
I have a sears 8mm silent/sound projector . Reels don't turn?