How to Change a Chainsaw Chain

If your chainsaw isn’t cutting efficiently, it might be time to replace the chain.

In this guide, we’ll show you how to change a chainsaw chain safely, using the same process demonstrated by professionals.

Whether you're maintaining equipment at home or servicing your power equipment, this step-by-step guide will help you keep your saw performing at its best.

Read the instructions and watch the video below.

When Should You Replace a Chainsaw Chain?

You should replace your chain if:

• The teeth are worn down or uneven
• The chain won't stay tight
• It's been damaged by debris
• The saw cuts crooked even after sharpening
• The chainsaw guide bar is damaged or worn

If you're frequently searching for chainsaw sharpening near me, it may be more cost effective to install a new chain.

Tools You'll Need

In order to change your chainsaw chain, you'll need a scrench wrench (also known as a bar wrench), a replacement chain (correct size) and protective, anti-cut gloves.

For best results, use original manufacturer parts from a trusted STIHL dealer or Husqvarna dealer, like Timberland Supply in Edmonton.

How to Change a Chainsaw Chain

1. Remove the Side Cover

• Loosen the bar nuts
• Turn the chain tension screw to loosen the chain
• Remove bar nuts and side cover

2. Remove the Old Chain

• Lift the chain off the bar and sprocket
• Remove and clean the guide bar

Installing the New Chainsaw Chain

3. Install the New Chain

• Place the chain around the sprocket
• Fit it into the guide bar groove
• *Ensure the cutting teeth face forward on the top of the bar*

4. Reattach the Side Cover

• Align the guide bar flush with the body of the chainsaw
• Replace the cover and hand tighten nuts
• Ensure the bar nuts are not binding
• Check the chain moves smoothly around the guide bar - if not, remove side cover and check the chain is mounted correctly.

5. Adjust Chain Tension

• Lift guide bar nose
• Tighten until the chain is snug at the bottom of guide bar
• Ensure nose does not drop and no chain sag under the bar
• Check chain tension
• The chain should have a gap of 1-2mm from the guide bar when pulled
• The bottom of the chain tooth should not exceed the bottom of the guide bar when pulled

6. Confirm rotation

• Pull the chain toward the nose of the guide bar
• Confirm the chain rotates freely on the guide bar

6. Fully Tighten the Nuts

• Once the tension is correct, secure all nuts

How Tight Should a Chainsaw Chain Be?

A properly tensioned chain:

• Snaps back when pulled
• Chain driver cannot be pulled past the bottom of the guide bar at the center point
• Doesn’t sag
• Moves freely

If unsure, visit a STIHL dealer near you, or a power tool professional offering chainsaw repair.

Chainsaw Maintenance Tips for Edmonton Conditions

To extend the life of your equipment:

• Check tension regularly (cold affects metal). A new chain will stretch with initial usage.
• Keep the bar groove clean
• Lubricate before every use
• Replace worn parts promptly

For expert servicing, trust local power equipment Edmonton specialists like Timberland Supply.

When to Seek Professional Chainsaw Repair

You should get help if:

• Chain loosens repeatedly
• Saw vibrates excessively
• Cuts are uneven or crooked
• Bar or sprocket is worn

If you find yourself searching for chainsaw repair in Edmonton or chainsaw sharpening near me, contact our store today!

Conclusion

Learning how to change a chainsaw chain is a simple but critical skill. It improves cutting performance, safety, and extends the life of your equipment.

For Edmonton users, combining DIY maintenance with support from a trusted STIHL dealer or Husqvarna dealer ensures the best results.