Question about Husqvarna Chain Saw 20" Bar

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My Husqvarna 16 in chainsaw is no longer working. The saw starts but the chain will not turn on the bar. Manually moving the chain results in the chain clicking and skipping over the sprocket. Could a groove in the sprocket cause this problem. The bar is fine on visual inspection and I tried a new chain without success. I also tried loosening and tightening the chain; this did not help

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  • Master
  • 2,220 Answers

Did the chain come off while at speed? The chain catcher causes burrs to form on the drive links when occurs. Without the catcher the spinning sharp chain contacts your leg. Were you wearing chaps? We don't need no stinking PPE!!!
Use a flat file on the drive link flats to remove the burrs.
My Husqvarna 16 in chainsaw is no longer working. - 34be72d.jpg 5ab118d.gif Chain Adjustment

  1. Make sure the chain brake is off (gloves will protest your fingers).
  2. If necessary, loosen the bar nuts that are clamping the clutch cover in place (or whatever holds the clutch cover and bar on). They don't need these really loose - finger tight will do.
  3. Ease the tension adjustment until the chain is obviously loose.
  4. Using one hand, hold the nose of the bar up.
  5. While holding the nose up, adjust the tensioner so that the center of the chain just touches the underside of the bar, add a touch more.
  6. Continue holding the nose of the bar up & tighten up the bar nuts / bolts / quick-release system. HTH
Lou

Posted on Nov 12, 2009

  • dontbother10
    dontbother10 Nov 12, 2009

    Remove the bar & chain. Affix a piece for tape to or mark one of the upper chain links. While wearing gloves, hold the bar parallel with the ground, the nose right, the tail left and the chain in the upper bar groove. Try to slowly rotate the chain CCW one complete revolution. Can you? Did the chain remain in the groove or occasionally ride up and out? Did it catch? If it remains in the bar without catching or riding up it is most likely a bad drive sprocket. Repost we can help with that too.

    Lou

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Yes it would,,,if the drive sproket is warn this is what is causing the chain to skip also have a close look at the bar try tipping the chain to one side if it tips at all the bar is warn out as well,,,dont do the chain up so tight that there is no lift left in it or you wear out the bar and sproket very fast,, there should be about 1/4 of an inch lift in the chain all round the bar onto just on the long strate parts chang that sproket fast?

Posted on Nov 12, 2009

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