How To Remove A Lawn Mower Blade?

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A lawnmower is an equipment that cuts grass to a regular height with one or more revolving blades. The most common source of power for lawnmowers is a compact internal combustion engine.

Lawnmowers also have a push handle or steering wheel to assist with propelling, moving, or turning the machine in numerous directions.

The cut grass height may be set by the mower’s design, but it’s usually modified by the operator using a single master lever, nut, bolt, or lever on each of the machine’s wheels. They are usually easy to manoeuvre due to the wheels or rollers attached to them.

To cut the grass at an even height, a lawnmower has one or more rotating or circular blades.

They are widely used across the world to keep grass lawns, fields, patches, and gardens looking good and growing at a consistent, appropriate height by trimming, cutting, or mowing them.

Advantages of Lawn Mower

  • If you’ve been cutting your grass with one type of mower, it’s time to switch to a different brand if you want a different look on your lawn. To put it another way, different types of mowers give your grass a varied look.
  • Another significant advantage of purchasing a lawnmower is that it can assist you in cutting down the entire lawn in your garden or yard in the smallest amount of time. As a result, if you want to complete your tasks as quickly as possible, this is the tool for you.
  • If you want to have beautiful yards in your home, make sure you have the correct lawnmower that will provide you with better cutting quality.

Disadvantages of Lawn Mower

Lawnmowers have a few drawbacks, such as the fact that the price of comfortable cordless lawnmowers varies according to battery power. They are usually filthy and noisy, though some modern battery-powered variants are whisper quiet and emit no pollution.

Types of Lawn Mower

  • Electric Lawn Mower: Most lawnmowers are run by electricity. This is an excellent solution for small to medium-sized gardens. They are less expensive, more compact, and easier to store.
  • Push Lawn Mower: They’re ideal for small gardens because they don’t require energy and emit no noise or pollutants.
  • Hover Lawn Mower: Hover lawnmowers float above the ground, making them easier to use and more capable of mowing rough terrain. They’re a wonderful solution for lawns with unusual shapes and are less costly than other types.
  • Petrol Lawn Mower: Petrol-powered lawn mowers are the best solution for large areas where a mains connection would be prohibitive. They are a little more expensive, but they are far more powerful and faster at cutting. They’re also more manoeuvrable around larger things.
  • Cordless Lawn Mower: The convenience of cordless battery-powered lawn mowers is unrivalled. They provide all of the benefits of an electric mower without the cable. They are lighter and last much longer than normal nickel-cadmium batteries, but they are also more expensive.
  • Rotatory Lawn Mower: Rotary lawn mowers are the most versatile, as they can handle a wide variety of grass types. They outperform cylinder mowers in terms of cutting longer and rougher grass. A rotary mower can be powered by alternating current, a rechargeable battery, or a gasoline engine.
  • Cylinder Lawn Mower: Front-mounted cylinder blades on cylinder lawnmowers rotate vertically. They are ideal for flat lawns that need to be maintained short and clean, and they are available in electric, gasoline, and push varieties.

How To Remove A Lawn Mower Blade?

Step 1

Keep an eye out for any blade edges that have been damaged. Try spinning the blade to see if there is any play or resistance to rotation.

We propose that you remove the spark plug from your lawnmower because the machine may start due to the rotation provided to the blades. This is a circumstance you should stay away from at all costs.

Step 2 

Now that you’ve seen the damage your blades have sustained, you’ve decided to replace your lawnmower’s blades.

You should make sure that the new collection is identical to the one that was replaced while doing so. Always check your user’s handbook for the correct model number of your equipment for this purpose. Also, always request that the vendor give you the correct blades for your specific model when making a transaction.

Step 3

To remove the blades, we choose to loosen or tighten the bolt that links the blade to the centre disc with a ratchet spanner. If you don’t have access to a ratchet spanner, you can use a normal spanner, preferably one with a longer arm to provide additional leverage or torque.

Step 4

The bolt must be loosened by twisting the spanner counterclockwise. We recommend attaching a set of vice grips to the deck of your lawnmower to keep the edge from moving while loosening/tightening the bolt. To prevent the edge from turning, place a wooden block between the blade and the drum.

Step 5

Place the blades laid on the ground in the same direction as you removed them. This will enable you to compare the new blades to the ones that were removed and install them in the proper sequence. It’s important to keep in mind that the cutting edge must face upward for the chopped grass to rise.

How to Maintain Lawn Mower?

  • If your lawnmower hasn’t been used in a while, this step is extremely vital. On top of the mower body, look for a cap with the word “oil” or a picture of an oilcan.
  • To check the oil, unscrew this cap. If your lawn mower’s oil cover doesn’t have a dipstick, look inside the tank for a “fill” line. Add extra oil if the level is below that line.
  • If you’re not sure, a good rule of thumb is to change the oil every 25 hours of normal operation. It is tough and messy to change the oil on your own.


They’re used all over the world to trim, cut, or mow grass lawns, fields, patches, and gardens to keep them looking beautiful and growing at a consistent, acceptable height. To learn how to remove lawnmower blades, simply follow the procedures listed above.

Read: How to sharpen lawn mower blades without removing?


How can you undo a lawnmower blade’s nut?

To release the blade bolt, place a wrench socket of the appropriate size on the head of the bolt fastening the blade to the blade holder and turning the wrench handle counterclockwise. Depending on the mower type, the bolt head could be 1/2-inch, 5/8-inch, or 3/4-inch.

Is the threading on lawnmower blades reversed?

To hold the blade on the engine’s driveshaft, most lawnmower blade nuts are reverse-threaded. This prevents the nut from being loosened by the blade’s rotation. Not all blades, however, are secured to the engine’s driveshaft using a reverse-threaded nut.

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