My hoover upright wind tunnel vac shuts off and smells funny even after I've cleaned all the filters, checked for clogs, and replaced the belt. I,ve unplugged it immediately, is there something wrong with the motor? I've looked online for the model # which is U5756900, the closest one is 5760900.
Hi,
Try removing the drivebelt, and try running it to test like this. The brush bar will not turn, but it should function normally without smell at this point. If it doesn't, you may need a new motor as I think the brushes may have worn down - producing an electrical type burning smell.
If it runs fine without the belt attatched, then there is probably a build-up of hair or threads at each end of the roller stopping it turning freely. With the hoover off, check it turns freely and easily. A small metal nail file or similar is usually a good tool to clear it.
If the roller is stiff, the belt will not turn easily, and overheat on the motor spindle - causing the burning smell.
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