We may have found other answers which could help you.
Click here for Belt Works Vacuumwiring diagram?
Oreck XL-seems to blow dust out and not suck ?
I need to fix the motor of my Oreck XL?
What's is wrong with my Oreck Ultra Orbiter Floor Scrubber?
How To Connect My Oreck Xl Vacuum Motor?
wire diagram for oreck u4120?