Question about Husqvarna Chain Saw 20" Bar
You need to set the mixtures for the carburetor. You will find a Low and High adjustment screw. At idle turn the screw in or clockwise until the rps starts to decrease. Then start turning it out till you hit max idle rpms. Turn screw back in a quarter to half turn and it should be idling smoothly. Be careful here and get someone to hold saw if necessary but hold in throttle to full speed and do the same with high adjustment screw. turn it in till rpm starts to drop then back it out until you get to max rpm and it won't go any higher then turn it back in a half a turn. If you have to change the high rpm jet a lot you might have to go back and readjust the low rpm jet again and set the idle speed. Never idle it high enough that the chain turns while at idle.
We used to have to do this a lot in timber business. You go up on the mountain to cut logs and the altitude has high enough that you had to adjust carburetor and then do it again when you got back to the sawmill.
Posted on Jun 05, 2009
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Posted on Jan 02, 2017
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