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adjusting chainsaw carb

Discussion in 'General Automotive' started by stratton, Nov 8, 2009.

  1. Nov 8, 2009 at 7:34 AM
    #1
    stratton

    stratton [OP] Well-Known Member

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    Not sure what if this goes into general automotive section but anyways....
    I am having a lot of carbon buildup in my poulan chainsaw. The carbon balls actually wedge in between the spark plug gap, causing the saw to shut off. Which adjustment do I make. There is a High and a Low screw. I bought a spline carb tool so I am ready to turn the screws. I just dont know which way or how much.
     
  2. Nov 8, 2009 at 9:36 AM
    #2
    stratton

    stratton [OP] Well-Known Member

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    Bump..


    Tree is half cut down. Need help.
    Thanks
     
  3. Nov 8, 2009 at 10:01 AM
    #3
    Coreyjon

    Coreyjon Northern Alliance: Airlift Div

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    Never adjusted one before...

    I think the low is for when the saw is idling, and the high for when your actually giving it some throttle. That said I'm not too sure what can cause that to happen. excess carbon in my mind means not complete combustion (lots of left over soot - dirty burn). So im guessing this is a 2 stroke (I think most are still) - maybe its a bad ratio between the oil and gas? If you wanna try anything my best uneducated guess would be to adjust the high screw to add more fuel? I'm trying to think back to my bunson burner days of high school where you could start the thing with just a little bit of fuel and get the real sooty flame, then you add more fuel and it would reduce the soot, assuming you had a good fuel/air mixture.... Like das squerall said, mark the settings now with a greese pencil or something, then play around with it a little bit of adjustment at a time.
     
  4. Nov 8, 2009 at 4:29 PM
    #4
    gologit

    gologit Well-Known Member

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    Nothing major or fancy. Just stuff to make it work better for me.
    Try going to Arboristsite.com and asking your question in the chainsaw section. Lots of good advice there.

    I run Stihls for a living and I've never messed with Poulans but it sounds like you're either running rich on the carb or using too much oil in your fuel mix.

    Anyway, try Arboristsite....you'll probably get all the advice you need. And more. If it's about chainsaws and wood cutting you'll find it there.
     
  5. Nov 8, 2009 at 4:31 PM
    #5
    stratton

    stratton [OP] Well-Known Member

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    thanks for that site.
     
  6. Nov 8, 2009 at 4:33 PM
    #6
    gologit

    gologit Well-Known Member

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    Bob
    In the redwoods.
    Vehicle:
    2011 4x4. Leer canopy Firestone airbags
    Nothing major or fancy. Just stuff to make it work better for me.
    You're welcome. Be careful though...chainsaw people can be just as much of a bunch of maniacs as Tacoma people. :)
     
  7. Nov 8, 2009 at 4:35 PM
    #7
    stratton

    stratton [OP] Well-Known Member

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    Haha right. I wont get suckered in as much. A poulan chainsaw doesnt compare to a tacoma.
     
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