*Watch the full video guide above before or after reading for a hands-on demonstration.

If your chainsaw chain has started to dull, a quick sharpening session with a file guide can make a world of difference. This guide shows you exactly how to use a chainsaw file guide sharpener for accurate, efficient results—so your chainsaw performs like new. Whether you're maintaining your gear for backyard work or professional jobs, this method ensures each cutter is sharpened with precision.

Step 1: Mount the File Guide Onto the Chainsaw Bar

Start by attaching your file guide to the bar:

• Use the BR thumb screw to tighten the guide.
• Then, secure the front screw to clamp onto the chain.
• Ensure it’s firm enough to prevent the chain from lifting, yet loose enough that you can still pull the chain through by hand.

This setup keeps everything steady while you sharpen.

Step 2: Set Your Filing Angle to 30 Degrees

To get a clean, consistent edge:

• Locate the angle gauge screw underneath the guide.
• Loosen it and rotate the gauge until it reads 30°.
• The reference point is located on the back side of the guide.

Most chainsaws use a 30° angle, which delivers a balanced mix of cutting speed and durability.

Step 3: Set the Correct Filing Depth

Insert your file into the cutter and use the guide’s top screw to adjust depth. The file should sit just within the cutter's edge:

• Too high, and you won’t sharpen the edge properly.
• Too low, and you risk removing too much metal.

This depth setting ensures each cutter is evenly filed for peak performance.

Step 4: Add Lubrication to the Guide Pad

Apply a small amount of oil to the guide’s sliding pad. This helps the file glide smoothly through the cutter and reduces unnecessary wear on your sharpening tools.

Step 5: File Each Cutter with Steady, Even Pressure

Using both hands:

• Slide the file smoothly through the cutter.
• Don’t press too hard—let the file do the work.
• Once finished with one cutter, flip the guide up and move to the next.

Repeat the process across all cutters on that side of the chain.

Step 6: Switch Sides and Repeat

Once one side is complete:

• Loosen the angle gauge.
• Rotate it to the opposite 30° mark.
• Align it over the cutter on the other side and resume sharpening.

This ensures your chain cuts evenly on both sides, reducing strain on your saw and improving performance.

Final Tips for Using a Chainsaw File Guide Sharpener

• Double-check your angle and depth settings before sharpening.
• Use a high-quality file compatible with your chain size.
• Clean your file after each use for better results.

Sharpening your chain regularly with a guide sharpener improves cutting speed, reduces fuel consumption, and protects your bar and engine from unnecessary wear.

Conclusion: Keep Your Chainsaw in Peak Condition

Now that you know how to use a chainsaw file guide sharpener, you're set to maintain your chain with professional-level accuracy—without relying on costly services. It’s a simple tool that offers big benefits when used correctly.

Ready to sharpen like a pro? Explore our full range of chainsaw sharpening tools, files and guides, and bar & chains made for Aussies.

Every product we stock is tested, trusted, and designed to help you get more life out of your chainsaw.
 

Related Blogs:

• How to Sharpen a Chainsaw

• How to Use a Chainsaw Grinder

• How to Sharpen Chainsaw Chain With a File

• How to Use a Handheld Chainsaw Sharpener