While you wait for answers, we may have found some information which could help you.
Click here for Belt Dirt Devil
Upright bagless dirt devil will run but will not pickup dirt from carpet?
how do I replace a belt on a dirt devil vision wide glide vacuum?
smells burning rubber dirt devil upright?
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix vacuum cleaners.