While you wait for answers, we may have found some information which could help you.
Click here for Fixing Vacuum Cleanerhow can i fix eureka boss capture?
Eureka Model 4870 Motor Replacement?
need diragram for a Eureka The Boss Pro?
Older Eureka Boss Possilbe short?
Vaccum, Eureka Model 6998 A?
How to fix idler clamp assembly (hardwood/carpet switch) on Eureka SmartVac?