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Is your lawnmower struggling to cut tough patches of grass like it used to? Your blades may have dulled: fortunately, you can sharpen them back up again! Here’s what you need to know. Before we begin, you may want to know that we rate Greenworks Pro 60v – Most Durable Electric Mower, very highly for its excellent cutting abilities. For more of your gardening needs, take a look at our review of the Leaf plug and plant cannabis grower (super smart, super pricey).
Make sure you have a thick pair of leather gloves to avoid any possibility of getting cut by a mower blade. Padded work gloves are important, because the blade may cut through thinner materials. If you love working in the yard, you may want to also look at the best string trimmer for your weeds. If your weeding job is a bit more difficult, grab the best backpack sprayer for reinforcement.
When you are working with the blade, you also really, really don’t the lawnmower turning on.
One more thing – make sure you are prepared with all the right supplies.
That includes a
You can use a number of additional sharpening tools as well, depending on your preference, but a bench grinder may be a little difficult to use because of the awkward shape of the mower blade (difficult, not impossible, especially if you have experience with one).
Lawn mower blades are more fragile than they appear at first glance, and you don’t want grind out a damaging groove without realizing it.
Once you have sharpened the mower blades until the edge has regained its cutting power, there’s one more important step to take.
You need to use a blade balancer to make sure the blade is properly balanced.
This is actually very important. If one of the blades is unbalanced, then the lawn mower won’t be able to spin the blades properly. This can cause bad vibrations (literally) and other problems.
If a blade appears to be unbalanced, then you will need to grind off a little more of the edge on the heavy side to lighten it up.
Note that this particular balancer shown is designed for dual-blade mower components with a blade on each side. Other balancers, however, are available.
When finished, detach the next blade (if necessary_ and perform the same process.
Once all blades have been sharpened, you are ready to re-attach them. Make sure you screw the nuts on firmly, with more or less the same pressure applied to each blade.