borVAC

My vacuum cleaner starts hissing after a short while as it heats up after start of cleaning routine but then in the middle of my cleaning routine after powering it ON, it takes almost a second to start hissing. Maybe this has to do with heating and deformation of certain part? Below is address to YouTube website (inserting link did not work for me) where you will find video that I've shot:

http://www.youtube.com/watch?v=ncFYBw2of4k

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