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Post by blazer296 on Jul 3, 2009 22:33:27 GMT -5
This might be a crazy ?? I have a little xl, it has the usual hi and low mixture screws, and one larger screw a little closer to the handle. What is this other screw? I have never been able to tell that it actually does anything. Someone told me once that it's an idle set, but it sure doesn't work if it is. I wondered if it's a oiling adj. but again if it is......... don't seem to make a difference. The saw runs good, a little less powerful than my C  ;D, but it has never idled very long (10-15 sec.) if you don't give it a bit to keep it going. Do I need to tear down the carb, and put a rebuild kit in it or something. Thanks guys, Jim |
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Post by mikevan on Jul 4, 2009 5:02:02 GMT -5
Jim I don't think I've ever seen a saw without an idle adj. screw, as it's so important to not have the chain turning between cuts. Without seeing it I'd have to guess thats whatit is. Maybe it's backed so far out it needs a bunch of turns to make something happen.
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Post by MCS on Jul 4, 2009 6:46:11 GMT -5
Yes, the screw on the right is for idle speed. Everything is possible on these old saws so maybe someone made or bent the throttle link from the trigger to the carburetor so it can't close down the butterfly. The idle screw is just a screw with a steep taper that the tab on the throttle shaft rests against. Visually make sure this is happening before you get too carried away. The XL I have doesn't have a high speed mixture.
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Post by blazer296 on Jul 4, 2009 14:48:09 GMT -5
Sounds like I'll be opening it up later to see whats up. I never got too worried about it, saw runs good. A bent link wouldn't surprise me, or a chunk of buildup I have never got out. This thing is bad about collecting sawdust and oil inside the case. I usually remove the side each fall and clean it out good, but I have yet to pull it completely apart. Maybe its time too.
Thanks for the help guys,
Jim
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Post by mikem on Jul 4, 2009 17:14:07 GMT -5
You are correct in that this saw is bad about blowing sawdust inside the cover. I have found the most effective way to clean it is to take the re-coil side off then blow it out with gasoline and compressed air. It gets a lot of sawdust around the air filter. Not a very well designed saw regarding keeping trash out of it.....but it's a trim saw.
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