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Sharpening lawnmower blades can ensure your machine’s performance

I try to treat my lawnmower properly. After all, there are few things that can make my day like watching the sun hit my well-manicured grass. So, every spring, I make sure all fasteners are tightened when I take it out of storage and perform other essentials that are part of my pre-use checklist.

But, last weekend, I was out with my lawnmower – (bobbing along with my headphones to some tunes) – when I had the misfortune of striking a stray piece of brick with the cutting blades. (This was most likely leftover from our recent patio restoration). After I digested the shock of the loud scrape, I turned off the mower, letting it cool before I looked at the damage underneath.

Now, this type of damage can happen in a number of instances, you could hit a large rock or a grounding pole. (And there are even unfortunate people who have run over things that are more apt to do them harm, such as a hornet’s nest).

Whatever the case may be, however, there are steps you can take to fix this damage on your own, without needing to shell out a few greenbacks for repairs.

For example, if the blade has simply become dented or dull, you can use a metal file to sharpen the blades back to perfection. (In my case, I was lucky and it only needed this small alteration). However, in more extreme cases, you could risk damaging the balance of the blades.

One side of the lawnmower could end up being a little bit heavier and start creating torque, which can lead the machine to veer to the left or the right, causing engine damage. To ensure both sides are even in weight, you can put a nail on wall so that you can rest the blades horizontally. If it leans, you may be able to fix this problem with some careful filing.

Have you had this problem in the past? If so, how did you handle the situation? Did you try any of the methods mentioned above?

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