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stihl 170 mod

Discussion in 'Chainsaw' started by abs111999, Aug 22, 2019.

  1. abs111999

    abs111999 ArboristSite Operative

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    I notice the tensioner screw on the small 170 loosens up alot. I have the regular screw type. Is it hard to change
    it to a side style....like my old 034.
    THe 170 is a fun little saw....starts SO easy..they must have learned some stuff since the 1980s.
     
  2. Jasonrkba

    Jasonrkba Addicted to ArboristSite

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    Are you talking about the chain adjuster? If so it is only to set chain tension while the bar nuts are loose. The bar nuts sandwich the bar to keep the tension.

    You can modify it with the tensioner thats used on the ms250.
     
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  3. jltrent

    jltrent ArboristSite Guru

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    I always put a little blue thread locker on those. It does not lock the threads but makes them stiff enough to were they want vibrate lose as easy.
     
  4. trains

    trains Firewood hack

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    The adjuster from a ms250 will fit right in, I did it to my 180, its the same chassis.
    got a fleacebay chinga one to prove concept, works a treat, side adjustment for the win.

    your welcome.
     
  5. abs111999

    abs111999 ArboristSite Operative

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    There are many cheap ones on Ebay...I want one that works...! any links to one that has worked good for you..thanks
     
  6. trains

    trains Firewood hack

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  7. Spoon Carving With Tom

    Spoon Carving With Tom ArboristSite Operative

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    I made this mod and I wouldn’t change back. Part number you need is 1123 007 1000 :) easy to do too. I got the genuine stihl part for about 36 dollars Aussi. It’s quite expensive, but worth it as I don’t have 3 arms and a giraffe’s neck to get the other chain tensioner to work to well... all kidding aside, it is more convenient and it just slots in wth a self tapping t27 screw.
     
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  8. abs111999

    abs111999 ArboristSite Operative

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    I got the 7 dollar item on Ebay. COMPLETE GARBAGE. Pinion is crap,assembly is crap and screw travel is ****.Another piece of chinese crap.
    You would think they would care that their products are dogshit 90% of the time.
    I told Ebay I want a refund. I'll live with the stock tensioner.
     
  9. trains

    trains Firewood hack

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    I must have gotten a rare good one, still it was only to prove that it did indeed fit, and work.
    Like I previously mentioned, get a stihl one, you have even been given the part number for it too.

    problem solved.
     
  10. Hdtoolmkr765

    Hdtoolmkr765 Contra Hoarder

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    Or you could find someone with a pile of melted 025/250 cases and they’d likely give you one for the price of shipping? Like me.
     
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