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029 pumping fuel out of tank?

Discussion in 'Chainsaw' started by WV wood chopper, Sep 30, 2012.

  1. WV wood chopper

    WV wood chopper ArboristSite Operative

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    Yesterday, was doing some firewood cutting, noticed after I fueled up, started cutting, then smelling gas. The gas was pumping, splashing out of the port on top of the tank, right above the fill hole? Is there supposed to be a tube or something on the port that is connected to something? Never noticed it before.

    Craig
     
  2. sefh3

    sefh3 Addicted to ArboristSite

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    That hole is for your tank vent. I wouldn't run the saw until you get a new one.
     
  3. XSKIER

    XSKIER Addicted to ArboristSite

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    Yep. The 029 uses a 1 1/2" piece of 1/8" I.D. hose with a set screw in the free end. The idea is that vent air will come in around the threads of the screw, and fuel will stay in the tank. The MS saws use a different style of vent. Last year I had found that my 029 vent hose had deteriorated and took a set to threads of the screw. This blocked the inflow of air, and the saw would quickly starve for fuel.
     
  4. WV wood chopper

    WV wood chopper ArboristSite Operative

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    I thought there was something missing!! Thanks XSKIER!!
    Repped for the help!!
     
  5. ri chevy

    ri chevy ArboristSite Operative

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    Stihl 029 fuel tank vent hose

    Did the hose deteriorate, or just get loose and fall off? Did you find it when you opened the case up? Just curious. I wonder if we should do preventative maintenance to our saws, or just fix it when broke?
     
  6. WV wood chopper

    WV wood chopper ArboristSite Operative

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    I don't know what happened. Mine must have just fell off, prolly from the junk ethanol. I never paid much attention to the vent tube before this, but you bet I will now! And found a non-ethanol supplier just down the road!!:rock:
     
  7. ri chevy

    ri chevy ArboristSite Operative

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    Me too. Thanks.

    [​IMG]
     
    Last edited: Sep 30, 2012
    Stihlofadeal64 likes this.
  8. WV wood chopper

    WV wood chopper ArboristSite Operative

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    This is a great pic! Thanks for the part #'s!

    Also repped
     
  9. ri chevy

    ri chevy ArboristSite Operative

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    Your welcome.
     
  10. watsonr

    watsonr Aftermarket Parts Pusher

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    That is normally the idea... at least what I do.
     
  11. ri chevy

    ri chevy ArboristSite Operative

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    Fuel line replacement

    I guess, replace 1 fuel line, do the entire saw? Including the vent line and vent. Change the fuel lines at your convenience in your shop, or risk not having the saw work in the field. :msp_thumbup:
     

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