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How to Sharpen a Lawn Mower Blade

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DIFFICULTY RATING: (2 out of 5 - Easy)

Sharpening a dull lawn mower blade will save you the trouble and money of buying a new one and cut your grass more effectively.
Step 5: Inspect the blade for damage.
Inspect the blade for damage. If the blade is dull but does not have serious dings or nicks, it’s a candidate for sharpening. If the blade is even slightly bent or you discover any sign of metal fatigue, such as a hairline crack, replace the blade with a new one of the same length.
Inspect the blade for metal fatigue or cracks.

Step 5 of 10 (View Full Step by Step)


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Be sure to disconnect the spark plug wire from the mower spark plug before attempting to remove the mower blade. Wear safety glasses and gloves when sharpening the mower blade. After sharpening your blade and putting the mower back into use, regularly check that the nut securing the blade is tight.

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Text by Benjamin Hardy
BobVila.com






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