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Ryobi petrol strimmer

Discussion in 'In the Garden' started by chriskem, 30 Aug 2018.

  1. chriskem

    chriskem

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    I have a relatively new Ryobi petrol strimmer.
    The engine runs well,but doesn’t turn the head fast enough to cut anything.
    Any suggestions,gratefully received.
     
  2. Burnerman

    Burnerman

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    I would imagine Chris that the flexible drive that connects the engine to the line spool has fractured.
    Any chance of you removing the spool to check?
    Take the inner spool out and there should be a hexagonal nut which you undo. Some have a left hand thread.
    John :)
     
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  4. chriskem

    chriskem

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    Thanks for feedback,John.Will check out flexible drive,but would have thought if fractured, head would not turn at all?
    Head spins ,but not at sufficient speed to cut.
     
  5. Burnerman

    Burnerman

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    I guess this is a bent shaft machine (strimmer) rather than a straight shaft (brushcutter)?
    If so, the shaft inside is flexible, rather like a thick Bowden cable with squared off ends, which locate at the engine end and spool end. If the spool comes loose it can disengage the drive cable but still sort of spin, likewise at the engine end. I'd doubt if this machine has a centrifugal clutch which allows the engine to run at low speeds without spinning the spool but if it has, failure of this is possible but most unlikely.
    First things first though, look for chewed up plastic when you dismantle the spool.....sometimes bump fed line machines can lose the plastic spline inside.
    Good luck with it!
    John :)
     
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