He trimmers keep cutting off =(

Discussion in 'Lawn Mowing' started by Orkin Yards, Apr 21, 2001.

  1. Orkin Yards

    Orkin Yards LawnSite Senior Member
    Messages: 256

    my green machine hedge trimmers are having problems, and i haven't figured out what is wrong, here is what it does...trimming along and it sounds like i hit the on off switch while its at full throtle, a fairly immideate cut off, and then i can crank it back up as soon as it dies, i've rebuilt the carb earlier this season so its proabably not that, i checked it today to make sure i had it all put together correctly and tightly, i cleaned the fuel filter and made sure there weren't any holes in the fuel line, and i can't figure out why they keep cutting off, it doesn't seem as though it does it more inverted that normal but it is possible, i just haven't figured out when it does it and why for that matter...ANY help would be nice i have a job i'm trying to finish tommorow!
  2. Runner

    Runner LawnSite Fanatic
    Messages: 13,497

    Is it possible you have a short somewhere along the line? Maybe in your switch or something? Also, if you plug wire perhaps has a splice somewhere, (it can even be below the cover where you can't see it) This could do it.
  3. MWHC

    MWHC LawnSite Member
    from Wyoming
    Messages: 220

    Have you checked to see if the gas cap is venting properly?
    Run it without the cap for a while and see if that solves anything.
  4. cut-rite

    cut-rite LawnSite Member
    Messages: 69

    Did you replace the spark plug? They can heat up and break down like that.
  5. cos

    cos LawnSite Addict
    Messages: 1,253

    Maybe its the magnito. It probably heats up the point where it won't give out a spark.
  6. Remsen1

    Remsen1 LawnSite Bronze Member
    Messages: 1,020

    Won't running it without the cap splash gas all over the place?

    You may have a stuck float valve.
  7. yorkpaddy

    yorkpaddy LawnSite Member
    Messages: 137

    most 2stroke engines don't have float valves normally a diaphram carb

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