How to Sharpen Lawn Mower Blades? Possible Or Not?

Keep your grass looking green

If you are keen on keeping your garden looking lovely and green, then one thing that you will already be aware of is the importance of keeping on top of cutting the grass. It not only produces beautiful green grass, but also promotes healthier grass growth, too.

However, unless the blades of your lawn mower are kept sharp, it is likely that you are going to find it difficult to produce the results that you are looking for. Sharpening the blades of a lawn mower sounds quite daunting, but it is actually a relatively simple process.

How do I sharpen the blades of my lawn mower?

Although sharpening blades sounds quite scary, it is actually fairly simple, and the results are very noticeable indeed. There are very few steps involved in the process and anyone with the right tools can do it.

Step 1. Removing the blades

In order to sharpen the blades of any lawn mower, the first thing that you are going to need to do is to remove the blades safely. The blades are usually secured by a simple nut and bolt type fitting. Loosen and remove the bolts holding the blades in place and then proceed with removing the blades themselves.

Step 2. Remove any grass and rust

As you can imagine, if your lawn mower has been used quite a lot then it is going to be covered in grass and other debris. It is also likely to be covered in rust due to the moisture from the cut grass, especially if you are not in the habit of cleaning the grass off after every use.

Before you can even think about sharpening the blades, you are going to need to remove the grass and rust. There are a number of ways that you can do this. The best way to get rid of the rust would be to use a wire brush to clean off as much as you can.

Step 3. Sharpen by hand

Once you have completed the steps above, you are ready to start sharpening the blades. There are actually a couple of ways that you can do this. Most people will choose to sharpen the blades by hand as there are less tools involved.

In order to do this, you must first put your lawn mower blades in a clamp on a work bench. Once you are sure that they are completely secured, you will be able to use a metal file to begin sharpening them. It may take some time to get them to the desired sharpness, but it will work.

Step 4. Sharpen with a grinder

If you don’t want to sharpen the blades of your lawn mower by hand and you have a grinder available in your workshop, then you can also use this to sharpen the blades. This is a more effective way of sharpening them and takes much less time. Of course, not everyone will have a grinder to use.

Warnings for sharpening the blades of your lawn mower

If you want to sharpen the blades of your lawn mower, then it is important that you do so in a safe manner. Here are a couple of warnings that you should keep in mind so that you don’t damage the blades or injure yourself.

  • Always unplug the lawn mower – This is very important. The last thing that you want is to get an electric shock when you are trying to sharpen the blades. Before you even think about removing the blades from your lawn mower, it is vital that you unplug the mower from the power source to avoid electric shock.
  • Use safety goggles – It is important to keep in mind that whether you are going to be using a metal file or an electric grinder, that there will be metal filings flying off. The last thing that you want is for any of these filings to get near your eyes. So, before you begin the sharpening process, it is a good idea to put on some safety goggles.
  • Don’t sharpen too much – It is actually quite easy to get carried away with sharpening the blades on your lawn mower. The problem is that if you sharpen the blades too much you may weaken the metal. This could lead to you having to replace the blades rather than simply sharpening them.

As long as you follow the warnings and make sure that you are safe when sharpening the blades of your lawn mower then you should be able to make sure that your lawn mower lasts for a long time and gives you the perfect results every time.

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