is there supposed to be something on the end of the motor shaft,
where the belt goes around it. to keep it in place, and to keep it
from breaking so easily.
There is nothing but the motor shaft. The belt rides on the shaft and around the brush assembly on the other end. The belts fail if the brush assembly gets jammed, for example from a rug ot debris. If this occurs you should immediately turn off the unit,unplug the power cord, and clear the jam. Also occasionally cleaning the brush and being sure the bearings on each end turn freely will help prolong belt life. The brush assemblies also look to be available. lysager@gmail.com
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