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Chain Saw Idle adj


PropsterII

Question

Lately my Husqvarna 55 Rancher the chain turns at idle, and even when I back the idle "T" adj screw way out it won't stop. Slows a bit from when it's turned in, but can't get it low enough, even when adjusting the low speed (L) needle also. So low the saw won't idle and stops, but the chain runs up until then. I noticed that when I had the T screw way out the spring behind it is loose, like it is broken maybe. Is that likely the problem, or should it get loose (the spring), and I'm looking at something else? Perhaps the carb needs cleaning or adjusting and some other fuel issue or blockage is causing the idle to run high? I've ordered a carb kit and will clean and rebuild soon, as well as check the fuel filter and fuel line. I did clean the air filter and put in a new plug already but thought I might be missing something more obvious. Any advice? Thanks

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Yeah thats the right part. I have had one or two go out like twenty years ago. But if I remember right the chain kept on chugging away. Maybe even when I was starting it too. Easy to check if the springs are gone or one is missing. Or they could be worn out. In this case they look fine but you would be able move the clutch springs easily by hand. good springs are usually pretty darn tight and not very easy to move by hand. If everything checks out start with a carb kit. Also do not get to happy with the adjusting screws. They are actually pretty delicate. Getting all adjustment happy is not good. Typically if a saw is tuned properly than it is good, don't mess with it. After that if you have problems it is usually air flow, then followed by fuel flow problems.

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Thanks for your tips. I got curious last night and went out and took off the chain brake side of the housing and there is the clutch right there, and sure enough the spring is broken. Looks like I can get a new one on and under those "ears" without taking the drum off, which after doing a little reading it appears you would normally have to stop up the piston to pop that off, which doesn't look like too big a deal, but this looks pretty accessible. Thanks again

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