How to Sharpen Lawn Mower Blades

Sharp lawn with lawnmower blade
  • Difficulty
    Easy

Keep your lawn pristine and your mower running smoothly all summer long by giving your lawnmower blade a fresh edge! This essential maintenance task ensures clean, precise cuts and promotes the health of your grass. Don't let a dull blade ruin your lawn's appearance. Follow these step-by-step instructions to sharpen your lawnmower blade and keep your yard looking its best.

You need
Step14

Remove the blade

Refer to your lawn mower owner's manual for proper blade removal instructions. It's essential to follow the manufacturer's guidelines to ensure safe and proper removal of the blade.

Step24

Clean and sharpen the blade

Lawn Mower

Before sharpening, clean any dirt and debris from the blade to ensure a smooth sharpening process. Once cleaned, secure the blade in a vise to keep it steady during sharpening. Use the lawn mower sharpener attachment to sharpen the blade, following the original beveled edge of the blade. The recommended speed for sharpening is 25,000 rpm.

Step34

Check for balance

After sharpening, it's crucial to check the blade for balance. Place the center hole of the blade on a nail with the blade in a horizontal position. A balanced blade will stay level on the nail. If either end of the blade moves downward, it indicates that one side is heavier than the other. In this case, sharpen the heavier end of the blade again to remove the extra weight.

Step44

Reinstall the blade

Refer to your lawn mower owner's manual for proper blade installation instructions. Carefully reinstall the sharpened blade, ensuring it is securely fastened according to the manufacturer's recommendations.

By following these simple steps, you'll ensure that your lawnmower blade remains sharp and effective throughout the summer season, allowing you to achieve a beautifully manicured lawn with ease.


Warning

To reduce the risk of injury user must read instruction manuals for all tools used in this project. Wear eye and respiratory protection. Use clamps to support work piece whenever practical.