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Trimmer stops working when hot???

Discussion in 'Mechanic and Repair' started by K.Carothers, Jun 21, 2006.

  1. K.Carothers

    K.Carothers LawnSite Bronze Member
    Messages: 1,124

    I have a trimmer that works good for the first 5-10min then it stops running.
    I changed the fuel and air filters, and the spark plug.

    Any idea what it could be?


    kc
     
  2. JB1

    JB1 LawnSite Fanatic
    Messages: 5,903

    I'm kinda like that trimmer after 5-10 minutes when its really really hot I just quit, like I'm out of fuel.
     
  3. Nosmo

    Nosmo LawnSite Bronze Member
    Messages: 1,216

    Check the spark arrestor screen. If it is clogged take it out and leave it out.

    Nosmo
     
  4. Charles

    Charles Moderator Staff Member
    Messages: 8,011

    My Echo has 2 air vents on both sides that sometimes clog up. Might be your problem. Can cause it to overheat.
     
  5. Stretch

    Stretch LawnSite Member
    from Ohio
    Messages: 8

    Check the fuel lines for pinholes. I pulled my hair out over a stalling trimmer to find the cheap black fuel line had decomposed. If I have a problem with any echo the first thing I do is replace the black lines with the good clear yellow fuel line
     
  6. Stretch

    Stretch LawnSite Member
    from Ohio
    Messages: 8

    you can clean the exhaust screen or leave it out like nosmo mentioned. I will be a little louder, but you'll usually get a little more power:weightlifter:
     
  7. Splicer

    Splicer LawnSite Senior Member
    Messages: 992

    How old is it and is it 2 or 4 cycle and how much use does it get???

    It 'could' be any # of things such as bad seals, bad coil pack, dirty carb etc...
     
  8. DLCS

    DLCS LawnSite Platinum Member
    Messages: 4,382

    Fuel cap vent is probably plugged. Next time it does this unscrew the cap some and then try to restart. What kind of trimmer?
     
  9. lawnmaniac883

    lawnmaniac883 LawnSite Silver Member
    Messages: 2,613

    Next time it happens check for spark. My fs100rx was doing about the same thing, turned out to be ignition coil.
     
  10. lawnboy dan

    lawnboy dan LawnSite Gold Member
    Messages: 3,711

    bad coils very common to sthil. another reason to avoid them
     

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