Chainsaw chain keeps coming loose?

After a few cuts the chain on an echo cs-306 model keeps coming loose.
I accidentally ran it into the ground a bit when I was cutting a small stump with it and got some dirt on the chain, would this mess up the chain? I cleaned it as much as possible, however after about 2 minutes of cutting I have to tighten it again, or the chain will come off. Is this normal? (I know echo doesn't make the best chainsaws)

Comments

5 Responses to “Chainsaw chain keeps coming loose?”
  1. Michael Jumnan says:
    March 10, 2010 at 2:27 pm

    They loosen often, esp if new, hot or if the chain gets into a bind. Dirt will dull a blade, then it might get loose more often due to heat. Keep tightening, but if it doesn’t cut well, get a new chain.

  2. A. M. H says:
    March 10, 2010 at 2:27 pm

    Cheaper chainsaws have this problem. Your best bet is a Stihl or Husquavarna.

  3. Scott K says:
    March 10, 2010 at 2:27 pm

    One more thing, make sure you have bar oil in it.
    Keeping the chain sharp is the most important. Try not to cut too close to the ground. It doesn’t take much to dull it. When cutting laying timber, try to always lift it off the ground before cutting.

  4. LucySD says:
    March 10, 2010 at 2:27 pm

    Make sure you keep the chain well oiled. Also make sure when you begin to saw that the saw is started before trying to cut with it. With an electric chair saw you start it on the limb itself. They loosen normally but after only a couple of minutes I don’t know. If you have the owners manual look up in the trouble shooting guide.

    Echo CS-306 Instruction Manual/ if not you can print it off from the link below….there are about 25 pages and you’ll have to enlarge the print.
    http://www.echo-usa.com/pdf/documentation/CS306es02_112706.pdf

  5. scorp says:
    October 17, 2010 at 7:36 am

    Remove chain & clean,use compressed air to blow chain down,repeat procedure,when chain is dry dip all of it into chain oil or you can leave it to soak for a couple of min’s or more,clean rest of the saw including air filter,lube drum bearing while chain is off,clean oil feed hole also might pay to run saw with chain off to make sure oil is coming out at a decent rate,clean bar & grease end sprocket some bars have a hole others don’t,now check the tensioner screw & nut for stripped threads if all is ok put saw back together & test run there’s no reason other than a severely worn or damaged chain to require tensioning very often unless it’s new


 
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