Question about Husqvarna Chain Saw 20" Bar

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I have an Echo CS-440 18" chain saw and the chain came off. Now that I have put it back on, it won't move either by hand or when the engine is running. Help

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When it threw the chain it may have damaged the guide teeth on the under side of the chain remove chain and file the guide teeth this as happened to me with 440 i have used many saws over the years and the 440 is the only that has ever done this

Posted on Jan 23, 2009

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OK.  This is simple. Either the chain brake is engaged or the chain is too tight. Start by pulling back on the chain brake toward you.  There should be a "click" if the brake was released.  If the chain is still immovable, try resetting the chain tension. 1. remove the spark plug wire 2. loosen the two clutch cover nuts 3.hold the bar nose up and loosen the tension adjustment screw until the chain moves freely without becoming loose. 4. tighten both clutch cover nuts with the bar held up. 5. Pull the chain around the bar by hand.  Loosen the adjustment if you feel tight spots. 6. When the chain is properly tensioned,tighten clutch cover nuts securely.  Do not overtighten! 7.  Check chain brake operation and release. 8. Replace spark plug wire and operate  saw.
Hope this solution will Fixya.

Posted on Jan 10, 2009

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