How often should you change your blade on your lawn mower?
For the average homeowner, a good rule of thumb is to replace your mower blades annually. Sharpening mower blades on a regular basis will prolong the life of your blades. Be sure to take protective measures if you sharpen your blades at home – wear protective gear and disconnect the spark plugs.
Which way do you turn the bolt to remove a lawn mower blade?
Turn to Left To remove the blade, you must turn the blade’s retaining bolt to the left, or counterclockwise. Before undoing the blade, tip the mower on its side with the engine air cleaner facing up and block the blade with a piece of wood so it can’t turn.
Is it hard to change a mower blade?
Blades wear out with use and need to be changed occasionally to make your mower more efficient. You’ll keep your lawn healthier and you’ll need to mow less frequently with sharp, clean blades. Replacing them is an easy project that won’t take up much time, as long as you approach it correctly.
How do I know if I need a new lawn mower blade?
Four signs you need a new lawn mower blade
- It’s more than two years old. As a general rule of thumb, a mower blade should be replaced every one to two years for safety and performance purposes.
- It’s bent.
- It’s dull and you’ve already sharpened it twice.
- There are dents, gouges and/or pieces missing.
How do I know when to replace my mower blades?
Also check the thickness of your lawn mower blade. Over time, dirt, sand, and other debris can erode the blade, causing the metal to weaken and become paper-thin. If you see this, you should replace the blade immediately since it can break while mowing and possibly injure someone.
What size is the nut on a lawn mower blade?
5/8″
What size are the tractor cutting blade retainer nuts and what direction should they be turned? The retainer nut on most of our riding mower blades are a 5/8″ thread diameter. This sized thread diameter nut normally requires a 15/16″ wrench or socket tool in order to remove/install.
What happens if you put lawn mower blades on upside down?
It is common to install a blade upside down. When this happens, the lawn mower will not cut correctly, or it could damage the mower.
How do you loosen a nut on a lawn mower blade?
Tilt the mower on its side so that the side of the engine with the air cleaner faces upward. Push a wooden wedge or block between one of the blade tips and the mower housing to prevent the blade from turning counterclockwise when you loosen the bolt.
Do mower blade nuts reverse thread?
Yes. The bolts that hold the mower blades on a Craftsman mower in place are reverse threaded. That means that to tighten the bolt you must turn it to the left (counterclockwise), and to loosen it you must turn it to the right (clockwise).
Is it better to sharpen or replace mower blade?
Lawn mower blades are built for durability and can usually be salvaged with regular sharpening. However, if you notice large dents and chips on the edge that aren’t smoothed out with a blade sharpener, it’s time to invest in new blades. Yard debris can also wear down a blade over years, resulting in thin weak metal.