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    marleyjeanne's Avatar
    marleyjeanne Posts: 17, Reputation: 1
    New Member
    		  
    #1

    Jul 14, 2017, 06:21 AM
    Chainsaw won't turn off
    I have a old stihl 028 wood boss chainsaw that had been running just fine until today--had been cutting tree for aprox 20 minutes & then when I went to turn it off it just kept running! This went on for a good 5 minutes. I tried revving it up--pulled the switch back down to choke & back up to no avail. I did notice sparks whenever I put the switch to the off position so kept it on "run" and ended up pulling the spark plug wire. What would cause this & how do I fix it?
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
    Uber Member
    		  
    #2

    Jul 14, 2017, 07:21 AM
    On most chain saws, the on/off switch grounds the magneto. If you are seeing sparks, the ground wire may be disconnected. Have to open the case up to see.
    marleyjeanne's Avatar
    marleyjeanne Posts: 17, Reputation: 1
    New Member
    		  
    #3

    Jul 20, 2017, 02:42 AM
    Thanks Ill check it out
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