How to Remove Riding Lawn Mower Blades

In this modern era, every chore in our life is getting more leisurely day by day. Mowing your lawn is no different.

Riding lawn mowers make the task of grass trimming to a height relatively easy and effortless. Unlike regular lawnmowers, it gives you the ability to sit and do your chores with ease.

Now, you may know how essential proper maintenance is for your lawnmower if you are a veteran when it comes to handling equipment.

And the most crucial part of it is to maintain the sharpness of your blades and know how to remove riding lawn mower blades.

Changing the blades is important to keep the cutting efficiency consistent over the years.

To make your life easier, today we’re going to show you a simple yet effective step-by-step guide on this in this blog post.

How to Remove Riding Lawn Mower Blades?

Ensuring Safety

The first thing any veteran will have in his arsenal is safety precautions. The maintenance work of dangerous equipment like riding lawn mowers or equipment of any kind requires proper safety measures.

The Blades of a riding lawn mower are not only heavy but also very sharp. The story of accidental cuts and bruises while changing the blade is not uncommon. This is the reason why safety should be nothing but your primary concern.

Before starting the maintenance work, you should find yourself in an adequately ventilated area with even surfaces.

And before removing the blade, make sure to get yourself a pair of thick gardening safety gloves to protect yourself from unnecessary bruises and to help you with the projects.

Preparing Your Lawnmower

You should start by taking your lawnmower to the area you choose beforehand and putting it on a hard and flat surface.

READ MORE  How to Sharpen a Lawn Mower Blade with a Dremel?

Make sure that you completely turned off the lawnmower and removed the ignition key from the machine. This is because you don’t want your machine to start accidentally while you are changing the blades.

There is a spark plug ignition wire on your mower that you need to remove. To enhance your safety you should also remove the battery to avoid unexpected starting up of the blades.

Finally, engage the parking brake. The riding lawn mower is a relatively heavy vehicle, and you don’t want it to move around in the middle of your work.

Lifting The Lawnmower

It is often very tough to get access to the blades with the little gap between the body of the mower and the lower surface.

So you could be wondering how to lift the riding mower to change blades. To do that, you will need to lift the lawnmower with the aid of some equipment and access the bottom part of the lawnmower. You can do this by using regular car jack stands, or levers.

If you don’t have access to these tools, you can take a thick log, wood, or other hard object and put it underneath the machine. This will ensure greater access to the blades.

Ensuring That The Blade Is Immobilized

You may be starting to understand now that you can never be too safe when it comes to maintaining a riding lawnmower.

The blades underneath are connected to rotatory motors. So even when the machine is turned off, the blade can move or rotate easily with the slightest force.

In order to make sure that the blades make zero movements, it is advised to push a barrier of timber between them. This will restrict the blades from moving.

Unscrewing The Nuts And Bolts

Now that you have followed all the preparatory steps, it is time to remove the blade from the mower. Secure the blade by holding it with your hand on it. Be careful not to hold in on the sharp side.

READ MORE  Can You Weld Lawn Mower Blades?

Find a universal wrench or the size that fits perfectly for your job. Using the wrench, unscrew the bolts and the nuts which hold the blades to the spindle. The careful counter-clockwise motion will release the blades from the body.

Pro tip: Make sure to put all the screws, nuts, and bolts in a specific place. This ensures you find them again when you need the blades to join the machine belt.

Checking For Rust

Most of the commercial blades on the market are iron-made or similar compounds. Thus the rust we often see is Iron oxide.

The riding lawn mower blades cut grass and get in contact with moisture regularly. This causes corrosion and rust, which results in inefficiency while cutting.

So after taking the blades out of the machine, you have carefully check for rust, if there is any. Not noticing the early stage of rust cause severe damage to the blades in the long run.

Removing Rust

There are a significant number of DIY and popular rust removal solution you can find on the internet. Some of them are vinegar baths, the use of baking soda, lime, etc.

They may work in the case of a small kitchen knife, but to deal with the big blades of a lawnmower, you will need something hardcore.

With the aid of WD-40, sandpaper, and a piece of cloth, you can remove all the rust on your blades. Here is how to do it:

  • Spray the WD-40 on the parts of the blade that are rusty.
  • Use 180- grit sandpaper on an orbital sander and sand smoothly on the applied parts. This will get rid of almost 95% of the rust.
  • Use your hand carefully to sand the blade in tight angles where the orbital sander cannot reach.
  • Make sure not to sand along the edges of the blade. Because instead of improving the condition of your blades, this will ruin them further. Always make sure to stay away from the sharp edges.
  • After the sanding, wipe the blades with a clean cloth.
  • Repeat the steps for other blades affected by rust.

Sharpen Your Blade

For the best cutting performance, you should keep your blades sharp all the time.

READ MORE  What are Pitchforks Used for?

But unless you are dealing with high intensity, there is no need to sharpen them more than once a year particularly before the mowing season starts.

You can try a blade sharpening tool to do this or seek help from your local hardware store.

But if you think your blades are old and you can afford new ones, it is better to replace them.

Reattaching The Blades

Once you changed the previous blades, whether you repaired them or just got some new ones, it is time to reattach them to the lawnmower.

Use the slab of timber or wood just like before to ensure immobility while you screw the blades together with the spindle.

Verification Of Operation

Once you are done attaching the blades to the lawnmower, it is time to verify if the blades are operating properly or not. Reconnect the battery and the spark plug ignition like they were before.

Pull the levers away from the lawnmower and put it on a flat surface. Now start your riding lawnmower and confirm it is working well.

Can you sharpen mower blades without removing them?

– Yes, you can use an angle grinder or sandpaper to sharpen the blades without removing them. But for safety, it is advised to remove them before sharpening.

In which way do you tilt a lawnmower?

– You should always tilt your mower in a way so that the spark plug is pointing upwards.

How much does it cost to replace the riding lawn mower blade?

– It can cost someone around 40 to 90 US dollars.

Are the riding lawnmower blades reverse thread?

– Yes, most of the lawnmower blades are reveres thread. It prevents them from getting loose while the blades are in a rotating motion.

Wrapping Up

Now that you know all the ins and outs of how to remove riding lawn mower blades, get yourself all the tools you need and get to work.

If you have any queries, don’t forget to let us know in the comment section below.