We may have found other answers which could help you.
Click here for Motor Vacuum ReplaceHOW TO CHANGE RAINBOW POWER NOZZLE MOTOR [PN2E]?
Replacing damaged electric cord?
How do I wire a new switch to my Rainbow 4D SE Vacuum?
Disassemble a Rainbow E model?
rainbow vacuum cleaner E series?
Is there a reset button on an E Series Rainbow Vacuum?