How to Adjust the Chain Tension on an Electric Chainsaw

Electric chainsaws are cheap and economical for consumers who only need a chainsaw to chop firewood or cut down small branches.
Electric chainsaws have a toolless adjuster under the chain.Electric chainsaws have a toolless adjuster under the chain.
These chainsaws are designed for the light user in every way possible. For instance, the toolless chain tensioner, a knob located on the bottom of the machine, tightens and loosens the chain with just a spin of your finger.

Step 1

Turn the chainsaw off. Once it completely stops, grab the plastic chain brake on the top of the saw and push it backward.

Step 2

Pull on the chain lightly. If it has no give, it is too tight. If the chain is barely hanging on the bar, then it is too loose.

Step 3

Locate the knob on the bottom half of the saw where the motor and the chain meet.

Step 4

Loosen the chain by rotating the knob counterclockwise. Tighten the chain by moving the knob clockwise.

Things You Will Need

  • Electric chainsaw


  • A new chain may need tightening after as few as five cuts.


  • Use gloves when pulling on the chain as the blade can easily pierce skin.

About the Author

Steven Diggs, Jr. has been writing professionally since 2008. His work can be seen published all over the Web, including on the Appalachian Independent website. He holds Bachelor of Arts degrees in English and history from Frostburg State University.