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Thread: Re-installation of limiter caps

  1. 08-02-2009, 09:35 AM #1
    redunshee
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    Re-installation of limiter caps

    Removed and filed stops on the limiters caps of my MS441. When I re-installed them I noticed that they seem to pop out a little when I adjust the Hi and Lo screws. I'm concerned they may pop out enough so as to be useless. Anyone have this issue and how did you resolve it? I've pushed them in as far as I dare.
    Bob
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  2. 08-02-2009, 10:11 AM #2
    BuddhaKat
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    Why don't you just leave them off?
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  3. 08-02-2009, 10:27 AM #3
    blsnelling
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    Quote Originally Posted by BuddhaKat View Post
    Why don't you just leave them off?
    They help hold the needle in place and in adjustment. They also make it easier to tune by holding the screwdriver in the slot.
    Brad - Snellerized Saws

    Have a 201T that doesn't run like you expected? Need a new one that's already modded and ready to go? PM me for details.
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  4. 08-02-2009, 10:28 AM #4
    redunshee
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    Quote Originally Posted by BuddhaKat View Post
    Why don't you just leave them off?
    I may have to. Brad Snelling commented a while ago that with them installed it makes future adjustments easier as they protrude more than if left out.
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  5. 08-02-2009, 10:36 AM #5
    blsnelling
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    Quote Originally Posted by redunshee View Post
    I may have to. Brad Snelling commented a while ago that with them installed it makes future adjustments easier as they protrude more than if left out.
    It's not about protrusion. It's about holding the end of the screwdriver. More important is holding the needles tune. Many do not have springs to hold the tune.
    Brad - Snellerized Saws

    Have a 201T that doesn't run like you expected? Need a new one that's already modded and ready to go? PM me for details.
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  6. 08-02-2009, 07:42 PM #6
    redunshee
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    Quote Originally Posted by blsnelling View Post
    It's not about protrusion. It's about holding the end of the screwdriver. More important is holding the needles tune. Many do not have springs to hold the tune.
    If they are loose on the needles can I use some adhesive or am I inviting trouble?
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  7. 08-02-2009, 07:46 PM #7
    blsnelling
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    They have to be dirt cheap new. I'd just throw some new ones on there and play it safe.
    Brad - Snellerized Saws

    Have a 201T that doesn't run like you expected? Need a new one that's already modded and ready to go? PM me for details.
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  8. 08-02-2009, 08:19 PM #8
    Mad Professor
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    Sorry , I'm old school.

    STIHL don't have a saw with caps, yet.

    Can you fit a (newer) screw with a spring, a la pre NAZI days, and tune as thou wilt?

    Anybody tried old screws/springs in new carbs?

    Tapers any different?
    Homlite 150, super XL (my first saws still running)

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  9. 08-02-2009, 08:30 PM #9
    stihl86
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    They do absolutely nothing to help hold the needle in place. Zero.
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  10. 08-02-2009, 08:36 PM #10
    Mad Professor
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    Quote Originally Posted by stihl86 View Post
    They do absolutely nothing to help hold the needle in place. Zero.
    Would that be the caps or screws?

    If a suitable screw was there, I'd file stops for a spring, in the carb body.

    Anybody tried/done this?

    F U K Epa


    I'm going to get censored again........
    Homlite 150, super XL (my first saws still running)

    Husky weed wacker

    Stihl:

    FS 66 (projects)
    BR 400
    020T
    026 s 1 runner, the other waiting for P/C kit
    028 super (rebuilt with OEM)
    036 pros (1 runner, 1 just rebuilt with OEM parts)
    038 supers (2 converted to 038M , the other waiting it's turn)
    038 magnum II
    056s (4, two spares for the mill (magnum) , 2 parts saws, not for sale)
    066 magnum (mostly for the mill)
    Logosol Mill
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  11. 08-02-2009, 08:39 PM #11
    sloch24
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    Quote Originally Posted by stihl86 View Post
    They do absolutely nothing to help hold the needle in place. Zero.
    Now now... They ARE "limiter" caps, right? You can't say that they do zero.. they only allow the needles to turn within the spec of the cap.

    Now, whether they keep the needles from turning at ALL, that's another question. I have yet to pull the caps off of any of mine. I haven't modded any saws yet, so I haven't had the need.
    Stihls I Have To Use: MS200t 14", MS260 PRO16", MS440 20", MS460 25", MS660 36"
    Stihls I Used To Have: 011AV, 012AVP, MS200t, MS250, 026x2, 029 Super, MS290, 031, 036 PRO, MS440, 088
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  12. 08-02-2009, 09:16 PM #12
    MS460WOODCHUCK
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    Quote Originally Posted by sloch24 View Post
    Now now... They ARE "limiter" caps, right? You can't say that they do zero.. they only allow the needles to turn within the spec of the cap.

    Now, whether they keep the needles from turning at ALL, that's another question. I have yet to pull the caps off of any of mine. I haven't modded any saws yet, so I haven't had the need.
    What are you waiting on man? Unleash them animals and let them bark like he!!
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  13. 08-02-2009, 09:17 PM #13
    Mad Professor
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    I talk care of my stuff, when I need a piece of EPA crap, my grandkids will be dead.

    I was just asking if I had to FIX one.........
    Homlite 150, super XL (my first saws still running)

    Husky weed wacker

    Stihl:

    FS 66 (projects)
    BR 400
    020T
    026 s 1 runner, the other waiting for P/C kit
    028 super (rebuilt with OEM)
    036 pros (1 runner, 1 just rebuilt with OEM parts)
    038 supers (2 converted to 038M , the other waiting it's turn)
    038 magnum II
    056s (4, two spares for the mill (magnum) , 2 parts saws, not for sale)
    066 magnum (mostly for the mill)
    Logosol Mill
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  14. 08-03-2009, 12:40 AM #14
    Spitzer
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    Quote Originally Posted by stihl86 View Post
    They do absolutely nothing to help hold the needle in place. Zero.
    I think what Brad is saying is slightly different to what you mean, but he is still correct, if you remove the limiters, then make adjustment to the scrws, then replace the limiters, they will now stop any adjusment beyond the new position.

    I agree, if you trim enough plastic off the tabs, they don't contact anything so offer no resistance to screw adjustment. Even though the screws are without springs, there is still some resistance in the thread. Could they have a small 'O' ring for resistance, maybe, but without taking the screws completely out to look, I would guess that Stihl dab the thread with a plastic coat stuff you see on grub srews and the like that need to hold a certain setting and offer just enough resistance so as not to vibrate loose.
    I do not mean threadlock compound. This stuff is put on the screw and left to sett before being inserted. It has a similar effect to a Nylock Nut.
    Some guys on here will know it better than me, and will no doubt have used the stuff.
    I don't have any myself, but will get some, it can come in very usefull.
    Last edited by Spitzer; 08-03-2009 at 12:50 AM.
    Stihl -

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  15. 11-11-2009, 08:51 PM #15
    capeferrelo
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    The screws do have some form of resistance that isn't immediately apparent. I have an MS290 that I filed the limiters on. It has the screws recessed in a cast-in shroud, so can only see there are no springs. But the screws have plenty of resistance, and it is apparent from pulling out the inner shroud that they only limit the arc of rotation, but don't provide anything else.

    I took a couple of pics of that inner shroud and the new limiters I put in, if anyone wants it posted. Anyway, when I pulled the original limiters off, one cracked. The screws are splined, and the limit caps are internally splined to match. If the cap is loose on the screw, push it on until it seats. If it still spins, go give the Dealer fifty cents a piece and get a new pair. Of limit caps, that is.

    I filed the new caps, seated them on the screws, put that little inner shroud back in, and all is well. Full adjustmen, looks stock, and the caps make it easier to adjust.
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