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Stihl 064 carb mounting question???

Discussion in 'Chainsaw' started by jockeydeuce, Aug 21, 2009.

  1. oaky

    oaky ArboristSite Operative

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    welp i got the right boot now but.. tried your combination among everyother combination.still cant get it to seal right there between the boot and carb. i know cause im spraying carb cleaner right there and it powers down the saw. retested pressure and vacuum on the seals just in case and theyre all good. just cant get the carb adjusted quite right with that leak. takes two and half turn on the low end. it just doesnt fit right for some reason.
     
  2. oaky

    oaky ArboristSite Operative

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    yep
     

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  3. bayard

    bayard Addicted to ArboristSite

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    i am working on the same thing now. a big box of parts , some of it 066 parts in there too.so far i put 1 small gasket there!
     
  4. Totembear

    Totembear WoodAholic

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    Did you try it in that order. I've got the same setup, dont have a problem with mine. I've got to look in my parts bin. Seems like I remember 2 gaskets, might be mistaken though. I'll take a look at mine in the mornin.
     
  5. Totembear

    Totembear WoodAholic

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    The sequence should go intake boot, shim, gasket, carb, and either a baffle or a gasket on the backside of the carb depending on what type of filtration you put on it.
     
  6. Totembear

    Totembear WoodAholic

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    Also make sure you've got the right boot. The early one has a fatter "lip" than the later one.
     
  7. oaky

    oaky ArboristSite Operative

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    yep. i got the fatter lip boot in there, but that shim just doesnt fit right. it cuts into the boot and doesnt seat right. but when the boots out its fine. somethings binding somewhere.
     
  8. oaky

    oaky ArboristSite Operative

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  9. Jacob J.

    Jacob J. Tree Freak

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    If you have the later style airbox, it will bind up the early style boot with the thicker lip and not seal correctly. You can use the later style airbox with the early boot but you have to do some grinding on the insides of the opening.
     
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  10. oaky

    oaky ArboristSite Operative

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    ah jez that sounds right. ill give it another shot tomorrow.

    btw how do you remove the airbox with plastic rivets? can i screw a new one in?
     
  11. Jacob J.

    Jacob J. Tree Freak

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    If you have the tank/airbox assembly with the plastic rivets then it's likely that you have the early airbox. Those aren't easily serviced as they
    didn't mold those with enough meat to install screws. Some guys have drilled them out and then installed longer screws but that causes
    sealing problems for the tank.
     
  12. oaky

    oaky ArboristSite Operative

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  13. Jacob J.

    Jacob J. Tree Freak

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    Looking at your picture, I would say you have an airbox/intake boot mismatch. Try just installing the carb with nothing else in or on the boot
    (no flanges or sealing rings) and see if that works. I think that style of airbox is molded in such a way that it supports the intake boot on its' own.
     
  14. oaky

    oaky ArboristSite Operative

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    i guess the thickness of the boot is what matters? i ordered both an early and later style boot via fleabay but maybe there was a mistake.
     
  15. oaky

    oaky ArboristSite Operative

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    i think i tried that already, when i screw down the cover, for the hd filter, i think theres alittle abit of wiggle room along the studs.
    but ill try it again tomorrow.
     
  16. Totembear

    Totembear WoodAholic

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    Thats what I was thinking. They could have screwed up the part #'s.
     
  17. Totembear

    Totembear WoodAholic

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    Look at the lips of the boots to see if thats the difference.
     
  18. Mad Professor

    Mad Professor Addicted to ArboristSite

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    Photo bucket sucks pink kitty balls
     
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  19. oaky

    oaky ArboristSite Operative

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    think i got the boot problem solved. no leaks i believe. cut the mount into a plate.

    but now the saw wont idle.
    what does it mean when fuel keeps coming up the tank vent line?
     

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  20. Totembear

    Totembear WoodAholic

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    Overpressurized?
     

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