Sanitaire SC-679 Commercial Upright Vacuum - 12-Inch, 5 Amp, 30 Ft Cord X4 It interrupts power when current

It interrupts power when current or heat climbs past a safe threshold

Fits Simplicity: Synchrony S30

or internal blockages

and vinyl floors

the bearing plate is a likely cause

Sanitaire SC-679 Commercial Upright Vacuum - 12-Inch, 5 Amp, 30 Ft Cord X4 It interrupts power when currentThe Sanitaire SC 679 commercial upright vacuum is a heavy duty 12 inch machine built for hotels, motels, restaurants, and similar daily commercial cleaning. A 5 amp maintenance free motor drives it, and a 30 foot three wire grounded cord gives it reach. Commercial floors take constant traffic, so the tools that clean them need to run every day without fuss. This model keeps things simple with a reusable shake out cloth bag and a maintenance free