Question about Ryobi Ry08570 Backpack Blower Engine 300749003 640570016

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I get shocked at the hand grip the longer engine runs & as rpms increase, also get shocked when shutting blower off. Thanks

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  • TIM FARRIS
    TIM FARRIS Apr 20, 2015

    at one time i took the trigger handle apart to inspect the wiring for any bare spots, none found. I went ahead & tapped-up the wires (seperately) to add exter insulation. Still get a slight jolt with my hand anywhere near the wires that run to the trigger or off switch. I have not checked engine side to see what wires go to. Still looking for any help. Thanks.

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I believe that you are experiencing static electricity build up. As air passes through the blower, it creates a static charge. These normally bleed off over time.

When the air is dry, the electrons can hang around on your body for a long time, charging you up to thousands of volts. That can last until you touch something that can conduct them away, like a doorknob or your significant other.

You are not the first to experience this phenomenon.

Posted on Apr 20, 2015

  • TIM FARRIS
    TIM FARRIS Apr 20, 2015

    This reply gave me something to think about. As i read your answer i understand it to be that static electricity will build up in me as i'm using the blower & will discharge as soon as i tough something, this does not seem to be the case in this instance as i continually get shocked while using tha blower & when trying to shut the blower off. If static electricity is in fact my problem any ideas on how to prevent static build-up & the continuing shock that i receive. Thanks

  • ka4iup
    ka4iup Apr 21, 2015

    Tim, You are basically insulated from be blower through your clothes and the harness of the unit itself. When the static charge increases to a suitable size, you will get an arc. You may want to try using a set of cotton gloves inside leather gloves. The cotton will absorb the sweat from your hands and the leather gloves to provide additional insulation. Operating the blower in more humid environments will reduce the static buildup.

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