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Stihl 26 not starting

Discussion in 'Chainsaw' started by keithh255, Mar 9, 2008.

  1. keithh255

    keithh255 ArboristSite Lurker

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    Hi all; Been awhile since Ive been on. Thanks to all who helped with my 38.
    I recently picked up a 026 and it will not start. After some work I managed to get the carb out of the body.
    Question is, should I go for a rebuild kit or should I try a cleaner of some sort. My 38 had a dried out diaghram according to the repair depot. I used a spray Honda carb cleaner on it. Maybe this fluid was the wrong way to go.
    Anyways, if anyone has a good idea or 2 please let me know.
    Thanks Keith
     
  2. andrethegiant70

    andrethegiant70 Addicted to ArboristSite

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    When its really time, there is no substiture for the carb kit. For the ten bones they cost and the 15 minutes they take to install, its not a step you should skip. Since the saw is new to you, you really need to give it a good inspection. An assessment of spark, compression, fuel line and filter, and impulse line are in order. You should also pop the muffler off and take a look at the piston for scoring. The other things that can bite you are harder to fix, such as bad bearings and seals. I would leave these things for last, mostly because when I do them, I generally have to fabricate a tool or two.

    I always put a little raw mix directly into the cylinder and see if I can get the saw to pop a bit... it gives me a good indication that I've got the basic ingredients for the saw to run.

    Let us know how it goes!
     
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  3. keithh255

    keithh255 ArboristSite Lurker

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    Re Reply Stihl 26

    Thanks Andre. Great tips. My brother inlaw was previous owner.
    I will look up a kit tommorrow and update everyone how it turned out.

    Thanks Keith
     
  4. West Texas

    West Texas AboristSite Guru

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    On a saw that will crank; but, not start, I do a couple of quick things. First hold the saw up by the starter rope and see if it stays in place; if so, the compression is probably OK. Then, I spray a little 'starter fluid' on the air filter. It will usually then start briefly, even with a bad fuel hose. And, if it does, start briefly, you've eliminated the ignition, spark plug, and a few other things. Now you can concentrate on the fuel line for cracks, etc. If the fuel line is OK, then you can pull the carb and take a look at it. Strange as it may seem, several times, I've had a saw start and run pretty darn good after letting it fire briefly with starter fluid; seems to clear out things in the carb, etc. But this will not be true if the fuel hose is bad and/or you got a dirty carb with an old diaphram, etc. A carb rebuild kit is easy to install and well worth the money on a saw that's not been used in a while, like setting in a barn for a year or so, etc. Good luck. Fixing a saw that won't start is a great learning experience.:)
     
  5. keithh255

    keithh255 ArboristSite Lurker

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    West Texas, Thanks

    West Texas, Thanks for your reply. When I first received the saw I tried new gas and pulling till my arm near fell off. LOL
    Anyways, not as good a starter fluid but I did get fresh gas into the carb but not go. Wish I had said starter fluid handy though.
    There is lots of compression too.
    I will have a look at the fuel line as it does look frail.
    I will also call today for a cost on a carb kit and see about that too.
    Many thanks again Keith
     
  6. bcorradi

    bcorradi Arboristsite.com Sponsor

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    Actually fresh mix is a lot better option to use than starting fluid imo. There is no reason to try starting fluid if you didn't get any results by pouring a small amount of mix down the carb throat or the plug hole.

    One of the first things I check when I'm evaluating a saw is check the piston and cylinder. You can do this by removing two T27 torx located at the bottom of the muffler cover.
     
    Last edited: Mar 10, 2008
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  7. West Texas

    West Texas AboristSite Guru

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    You know me well enough by now; think about it; at my age a 'squirt' of starter fluid is quicker than taking out the plug or taking off the air filter. I'm not claiming to be efficient; maybe just lazy. :givebeer:
     
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  8. bcorradi

    bcorradi Arboristsite.com Sponsor

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    I understand...I'm just not a big proponent of starting fluid in 2 cycle engines or most any engine for that matter. I have a spray bottle of premix I use at home for the same purpose.

    Heck I heard at your age its a challenge to conjure up a "squirt" so by all means create one any way you can ;). j/k
     
  9. teacherman

    teacherman Addicted to ArboristSite

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    Is it just a regular spray bottle, or is it made of special material? I recently tried using a science lab wash bottle, and though it only had a couple of inches in the bottle, it expanded and squirted mx all over my work bench. Since it's in my basement, it was a rather odoriferous event. Thankfully I installed an old furnace fan in the window right there. Even so, it took a couple of days for the smell to go away. I won't be doing that again:dizzy:

    Be careful about old guy jokes-- mature egos can stihl be mighty fragile har har
     
  10. keithh255

    keithh255 ArboristSite Lurker

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    Hi

    Well; I have the carb off but I did not check to see if any oil got into the magneto setup..I will pull the housing off and have a look, see about the spark. I also found my spark tester and will put it to use.
    A squirt bottle sounds good. Im up north so things go slowly in the cold. I have a snow-less place to work, a shed, but no heat..so not much being done at the moment but later this week.
    Thanks for the replies..Keith
     
  11. kirby33

    kirby33 ArboristSite Lurker

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    starting fluid

    Bad move!! Dilutes any lube in the jug to metal to metal. It does not take long to score a p/c with no lube. If it does not fire with shot of gas/lube mix you have other places to visit first. Bcorradi is dead on this one IMO.
     
  12. slabmaster

    slabmaster AboristSite Guru

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    I always check for spark first.I then look at fuel delivery.Theres no need to mess with a carb if your not getting spark:dizzy:
     

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