Proper lawn mower maintenance is key for a beautiful lawn, but a commonly overlooked task is sharpening the mower blades. Blunt blades tear grass instead of cutting it cleanly, causing the lawn to look damaged and unhealthy.
A handy trick my grandpa passed down uses just sandpaper, WD-40 or a light lubricant, a socket wrench matching the blade bolt, and a wooden block. No special tools are needed, and this simple method only takes about 15 minutes.
Tip the mower so the carburetor and air filter face up. Remove the blade with the socket wrench. Spray WD-40 on sandpaper laid on the wood block, then slide the blade edge across the sandpaper several times at the correct angle until sharp. Put the blade back on and tighten.
Safety first: be sure the mower is off and unplugged, wear gloves, and take your time. Well-sharpened blades cut faster, reduce engine workload, save fuel, and offer healthier grass growth. This affordable trick is easier than using grinding machines or professionals.
Avoid over-sharpening the blade because a too-thin edge may break. Check blade balance by placing it on a nail and sanding the heavier side if needed. Clean the blade and mower regularly to prevent rust. This reliable maintenance practice helps keep your yard green and your mower running strong.
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