Question about Husqvarna Chain Saw 20" Bar

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After i use chainsaw the chain loosend

I have a manuel but doesn't say how to fix it i have tried but got nowhere
can you help me.

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First you loosen 2 bar nuts , then tighten adjuster screw ,this is on cover behind bar nuts or between bar nuts or inside bar on crankcase depending on what model you have ,its also helpfull to lift nose of bar while you tighten adjuster,dont over tighten chain ,then tighten bar nuts

Posted on Nov 17, 2008


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Posted on Jan 02, 2017


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Assuming you can pull the starter cord and the engine turns freely (e.g. engine not frozen due to improper fuel mixture), check for debris near the clutch wheel.  Also, loosen the bar tension screw to see if the chain and clutch can move.
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1 Answer

Th echain isloose

please excuse my english.There are two locknuts on the cover of the chain sproket(release them a little)Now you have to find the screw to adjust chain tightening.It is in front or on the right side of the chain cover.For tightening move the screw clockwise andthen tighten the locknuts.

regards Mihai71

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