• Chain tension adjustment
  
  
  Warning: Stop the engine before setting the chain tension!
  Always wear protective gloves when performing maintenance on the chain.
  1. Loosen the two bar mounting nuts to "finger tight."
  2. Turn the chain tensioning screw clockwise to tension the chain.
  Note: A cold chain is correctly tensioned when there is no slack on the underside of the guide bar, the chain is snug, and it can be turned by hand without binding. Ensure that the chain brake is not set.
  3. Remove all slack from the chain by turning the chain tensioning screw until the chain seats snugly against the bar with the drive links in the bar groove.
  4. Lift the tip of the guide bar up to check for sag.
  5. Release the tip of the guide bar and turn the tensioning screw 1/2 turn clockwise. Repeat this process until sag does not exist.
  6. Hold the tip of the guide bar up and tighten the bar mounting nuts securely.
  Note: If the chain is too tight, it will not rotate. Loosen the bar nuts slightly and turn the tension adjuster 1/4 turn counter-clockwise. Lift the tip of the guide bar up and retighten the bar nuts securely. Ensure that the chain will rotate without binding
  
  
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• THANK YOU!
  
  
  That was one of the nicest, most well written explaniations ever! THANKS so much!! I did find someone to do it for me, but will keep your explination for future reference!! :o)
  
  
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• RE: Tighten chain on chainsaw
  
  
  OOPS! Just saw the "Home Depot" info, too.
  
  THANKS also - that's good advice!
  
  -Sarah
  
  
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• 
  No such thing as screwdriver only!
  
  
  You have to loosen the bar retaining/clamping nuts before you adjust the screw.
  
  
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