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Just bought a stihl MS270, need some help.

Discussion in 'Chainsaw' started by canadiancutter, Dec 6, 2009.

  1. canadiancutter

    canadiancutter ArboristSite Lurker

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    I bought a Stihl MS270 with an 18" bar brand new from a dealer this week and after a full day of cutting i have 2 problems. The first is that the saw burns when i starts cutting thicker wood, or do alot of cutting fast, is there a way to adjust the oil on this saw, i couldn't find anything after days of google and manual searching. The second is I think the 18" bar is too long, it chugs through thicker wood, it will slow right down, is this a bar issue or am I cutting wrong?

    Also any advice is welcome as I am new to cutting in general, I have been working with my Uncle who has been using saws since before i was born and he is teaching me to fell trees, and clean them up.
     
  2. fishercat

    fishercat Addicted to ArboristSite

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    sounds like dull cutters on one side or a bent bar.

    is the oiler hole on the bar clogged? maybe it got some crap when you changed chains.
     
  3. canadiancutter

    canadiancutter ArboristSite Lurker

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    I never changed chains, the 18" bar was stock, and nothing else has been touched.
     
  4. lone wolf

    lone wolf Tree Freak

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    you say the saw burns do you mean the bar?explain in detail so we get a picture of what is happening.and im thinking your chain is dull
     
  5. canadiancutter

    canadiancutter ArboristSite Lurker

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    smoke comes out of the kerf when i'm cutting, i made sure it was sharp before i went cutting, and sharpened it after.
     
  6. lone wolf

    lone wolf Tree Freak

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    is the oil in the saw being used up when you refill it do you notice ?how long hve you been sharpening chains?
     
  7. dancan

    dancan Tree Freak

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    Welcome to the site , there's lot's of info here so be prepared to do alot of reading .
    I have an ms280 and have used an ms270 and had no complaints but 16" on the 280 and 15" on the 270 .
    You should check your chain (or get a spare) because mine would smoke after I cut fence wire , spikes , car parts and rocks :mad: .

    :cheers:
     
  8. logging22

    logging22 Cuttin to live, livin to cut

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    chain too tight.:givebeer:


    Les
     
  9. canadiancutter

    canadiancutter ArboristSite Lurker

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    the oil doesn't completely empty when i run the tank dry, its hard to say how much doesn't get used. As for sharpening chains my Uncle always had me give him a hand so I've had lots of practice.

    The chain isn't to tight, it rolls around the bar with the proper clearance.

    Bar isn't bent, we checked that first.
     
  10. lone wolf

    lone wolf Tree Freak

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    not oiling enough may be the problem dang new epa rules make the oilers low volume.are you pushing this little saw to hard and what size logs and type of wood?
     
  11. canadiancutter

    canadiancutter ArboristSite Lurker

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    I generally try to keep logs under 14", we have bigger saws for the bigger stuff. is there a way to crank the oiler up on the new saws?
     
  12. lone wolf

    lone wolf Tree Freak

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    i dont know on that one look in your owners manuel if not look for a screw on the bottem of saw for the oil pump should be an arrow more or less like i said i dont know that saw but someone will see this and tell you exactly. thall would know that answer for you look for him on the blog and shoot him a pm
     
  13. canadiancutter

    canadiancutter ArboristSite Lurker

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    I forgot to mention, i cut mostly softwood. I cut hardwood branches off, we generally work as a team, my Uncle fells the trees, i clean them up, my brother mans the log skidder and takes the logs away.
     
  14. lone wolf

    lone wolf Tree Freak

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    softwood should be no problem is the chain flinging oil when you rev it and look for oil flying when saw is out of the cut?
     
  15. canadiancutter

    canadiancutter ArboristSite Lurker

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    yes it is, but like i said, it doesn't use up the whole tank.
     
  16. oldmar

    oldmar ArboristSite Operative

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    Check your bar slot- If it's opened up, the chain will flop to the side when cutting and generate lots of friction, and a bad cut.
     
  17. superfire

    superfire Banned

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    meez sayz

    take to the dealer and have them help you. sounds like it might need a dealers help.
    have you cleaned the bar and the oiler hole yet:confused:

    :cheers:
     
  18. TreeClimber57

    TreeClimber57 Addicted to ArboristSite

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    And normally it doesn't. I have a couple of 270's in the shop.. they are close to the 260 (but a bit heavier -- about same power (on Stihl site it actually shows slightly more power than 260) -- although the 260 is not a powerhouse). When the gas is out, the oil will be almost out.. but not quite.. maybe 90% used.. at least that is how ours are set up.. and work well. Have never had any issues with the 270's at all.. great saw for the $. The oil adjustment screw is on bottom of saw.
     
  19. canadiancutter

    canadiancutter ArboristSite Lurker

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    It is a great saw, thanks for telling me where the oil adjustment screw is.
     
  20. Hangtown

    Hangtown ArboristSite Lurker

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    neither does mine. uses about 80-90%. i have a 20" bar on mine w/Oregon chisel chain. this little saw is impressive. it goes thru 16-18" black oak like butter. on softwood, w/an 18" chain, your saw should fly. you've got something wrong somewhere. a good dealer should have filled oil & gas, adjusted rpm and chain oiler, and trial cut in wood....
     

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