Check and Adjust Chain Tension (EVERY USE)

When your chainsaw is new, the chain will wear and stretch significantly, this is also true for new chains.

With new chains, sometimes you will be required to readjust them within five to ten cuts. A loose chain can be hazardous; it can bind in the wood or come off of the guide bar. A chain that is too tight on the other hand will cause the chain and guide bar to wear prematurely. To test your chain’s tension gently pull it with a gloved hand. A well-adjusted chain will not bind or sag and will move easily and smoothly.

Step 1: Using a wrench, loosen the guide bar retaining nuts located on the side of the saw
where the guide bar attaches to the motor.

Step 2: You want to locate the chain tension adjustment screw. This should be on the front of the motor housing near the guide bar. (If it is not there, then check your owner’s manual to for the location of the adjustment screw.)

Step 3: With a screwdriver, turn the screw clockwise to increase the tension. To decrease the tension, turn the screw counterclockwise. Properly correct the chain tension if needed for your chainsaw to work safely and properly. When your chain is properly set, it will be snug, yet able to be moved freely when pulled with a gloved hand.

After you have tightened the saw chain, if the chain is still too loose, then the chin will need to be replaced. Before installing a new chain, soak it in SAE 30 oil overnight.

TIP: Always keep at least one replacement chain on hand.

Step 4: Once the chain tension has been adjusted, while holding the guide bar in its uppermost position, tighten the guide bar retaining nuts.

More hardware and equipment information:

Material handling equipment
Work equipment
Home construction equipment
Work truck equipment
Finish construction accessories

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