When the vaccum is running the motor gets hot & smells & is very noisy.
The vaccum motor seems to be running very hard upon startup & makes lots of noise & gets hot. What might the problem be? I have practically taken everthing apart & replaced the filter & got all of the hair etc. off the brush roll. I haven't looked at the motor just yet.
Any suggestions you might have would be greatly appreciated.
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Re: When the vaccum is running the motor gets hot &...
Sounds like yu may have a clog, either in the inlet by the brush roll, or the hose. If the hose comes loose, see if there is suction there. If no suction then it is clogged. If suction, then the inlet maybe clogged.
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It might seem fine but the burnt rubber smell means that the belt is slipping. This causes friction between the belt and the motor spindle causing the spindle to get extremely hot which melts the inner surface of the drive belt.
Take the belt off and examine the inner side that loops over the brushbar and the motor spindle. You will find that there are sections where the belt has partially melted - they are usually smoother than the rest of the belt.
Belts don't need to break before they need replacing. They just need to lose some tension. This is what seems to have happened in your case and you should replace your belt.
There are threee filters inside this unit. Be sure all three are clean. You can't clean the Hepa filter. You can only replace it. You may even try pluging it in and running it (not while vacuuming the carpet) without the filters to see if it is clogged up anywhere. It's not uncommon to **** up an object that doesn't fit though the vaccum hose very well and for that item to cause hair etc to catch on it and plug that hose. Before you know it you have a big plug in that hose. The hose detaches easily. Look through it.
Your belt is worn and stretched and so it is slipping on the motor drive shaft. That is why it is noisy and smells like burning rubber. You simply need to replace the belt. You can get replacement belts here:
If the noise is coming from the canister motor, you probably have bad motor bushings. I had the same problem, replaced the motor and all was fine - only for one year. The problem is back and is due to the fact the motor is very high speed (to get good suction) and should be made with bearings, not bushings. I will not be repairing a second time as a $70 motor annually is a bit pricey, and yes it will get VERY hot. I will buy a new vacuum - not another Kenmore.
Check that there is no build up of fluff or debris in the machine. If the motor is getting hot its cos its not getting enough air ... through obstruction... probably you have something like a screw etc thats touching moving parts and restricting flow. Dont run machine hot... allow to cool right down before switching on again.
Unlock the sweeper brushes and take them out. on each end is a cup bearing and should be free of debris. then check around and under the belt and likely there is debris wrapped around it. the post is getting hot as your pulling too much of a load. though if it continues the motor may have a bad set of motor brushes (inside the motor) or bad wiring (kinda unlikely).
I would first check down by the brush roll, take off the plate so you can get to the inlet to see if it stuck there, could be in the hose or the bag tube. Could be that it damaged the motor fan, you have to remove the motor to check it. If You had listed the model number, it would have been alot of help.