Question about Hoover S3639 WindTunnel Bagged Canister Vacuum

2 Answers

Hoover S3639 Suction Failure/Turns itself off and restarts later

After a hard workout (ranch house with dog cleanup) the machine has turned itself off only to restart again after it has cooled down.  The bag full indicator does not work so bag is not usually changed in a timely manner.   The motor runs now, but suction is so weak there is no pickup function.  
Machine was dismantled and cleaned out.  Filters were cleaned and  reinserted.  After reassembly the motor runs energetically but suction is still weak.  Exhaust exits through the top (at lid closure) and side vent. There is no blockage in the hose.  I removed the motor and used a shop vac at the front to remove any debris but did not open it up. 
I once solved this problem by cleaning the filters but this time there was no success with this procedure.
Can this vacuum ever work again?





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  • liz317 Sep 06, 2008

    Thanks.  I suspected as much but glad to have this theory verified by an expert.
    Next question:  are motors with more longevity available for the Hoover S3639
    and, if so, where can I find one?  I have owned this machine for approximately three years and bought a Hoover again after the previous Hoover canister model I had
    wore out after FIFTY years!  (It was a wedding gift from my parents who paid $50
    for it.)   I would like to repair the machine if practical to do so.   



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  • Expert
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If the Motor is not providing enough power it could be an issue with the motor winding. I think you should take it to a repair shop

Posted on Sep 06, 2008

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If you did all this already the motor is not having power, must be replaced.

Posted on Sep 06, 2008

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