How to Replace a Chainsaw Chain on a Stihl 180

It’s important to replace your Stihl 180 chainsaw chain when it becomes dull or damaged. With a few tools and following key steps, you can remove the old chain and install a new one to keep your Stihl 180 cutting smoothly.

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What You’ll Need:

• Gloves for protection
• Screwdriver
• Replacement chain specific for model 180
• File and depth gauge tool
• Rags and brush for cleaning

Safety Tips:

• Unplug spark plug before working to avoid accidental starting.
• Wear gloves as the chain is sharp.

Removing the Old Chain:

1. Loosen the side cover nuts and remove chain brake cover to access tensioner screw.
2. Turn tensioner screw clockwise to loosen chain.
3. Slide the guide bar toward the engine to derail chain.
4. Lift bar and old chain off mounting surface and set aside.
5. Clean the bar groove with a brush to remove debris.

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Installing the New Chain:

1. Lay out the new chain in a loop and engage lower part on sprocket.
2. Fit the top drive links into the bar groove correctly.
3. Mount guide bar back on and slide toward brake.
4. Turn tensioner screw counter-clockwise until chain is snug but not too tight.
5. Replace chain brake cover and finger tighten side nuts.

Tensioning the New Chain:

• Pull chain around guide bar by hand. It should have just a little slack.
• If too loose, tighten tensioner screw more. If too tight, loosen it.
• Tighten side nuts completely when adjusted properly.

Your Stihl 180 now has a freshly installed and tensioned chain, ready to resume cutting. Refer to your owner’s manual for any further guidance. Proper chain maintenance and replacement extends the life of your saw.

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