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 size wrench Do I need to remove a lawn mower blade?
Changing the mower deck's three blades requires a 1 1/8-inch socket , box or open-end wrench for hex nuts, a block of wood and a set of new blades.
Which way do you loosen a nut on a lawn mower blade?
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 a lawn mower blade nut reverse thread?
Most lawnmower blade nuts are reverse-threaded in order to secure the blade on the drive shaft of the engine. This ensures that the blade's rotation does not loosen the nut.
Are lawn mower blade bolts universal?
Blade style: Most lawn mower blades are universal , but some mowers require a unique style. ... Bolt size: The bolts used to secure lawn mower blades are often 1 / 2 inch, 5 / 8 inch, or 3 / 4 inch.
What is the torque on a lawn mower blade?
Riding mower blades should be installed between 70 and 90 foot pounds of torque .
How do you stop a lawn mower blade from spinning?
Loosen the clamp on a blade removal tool by turning the handle counterclockwise. Place the removal tool over the end of the blade and the stopping edge over the side of the deck. Turn the handle clockwise to tighten it in place and prevent the spindle from turning.
Do riding mower blades turn clockwise or counterclockwise?
Generally, the blades on many lawnmowers' models rotate to the right, also called the clockwise direction . If you plan to remove, sharpen or replace the blades, the retaining bolt should be rotated in the opposite direction.
How sharp should mower blades be?
Mower blades should be aggressively sharp , but not as sharp as a razor's edge. You should be able to touch the blade with your hand without getting cut. Contrary to popular belief, a lawn mower blade with a razor sharp edge will not cut grass better.
How do you loosen a tight bolt on a lawn mower?
- Place a block of wood between the blade and the Craftsman riding lawn mower's deck. ...
- Spray the bolt with a rust-penetrating spray. ...
- Brush the bolt area with wire brush, loosening rust deposits.
Will any blade fit my mower?
Lawn mower blades are mower specific and not universal . ... You can also replace a certain manufacturer's blades with another manufacturer's blade, provided that they match up with your mower in length, thickness, width, hole numbers, hole shapes, and hole sizes.
Does it matter what blade I put on my mower?
Uneven Grass – The blade is flat on the bottom so that you get a crisp, even edge when mowing. If the blade is upside down, that means that the tapered side is facing the ground. ... Also, they will dull faster, making it harder to cut the grass. Not only that, but you'll have to replace the worn blades sooner.
What's the difference between mulching blades and regular blades?
Standard blades, sometimes referred to as 2-in-1 blades, are designed to cut grass and then either discharge or bag the clippings. ... Mulching blades, also known as 3-in -1 blades, can be used to bag, discharge, or mulch grass clippings. Mulching blades feature more curves and an increased cutting edge.
Does wet grass dull mower blades?
Cutting wet grass can dull the blade more quickly . Clean blades thoroughly before and after mowing a lawn when wet to keep the cut as sharp as possible. ... Maintain your machine and sharpen mower blades regularly to deliver a clean, healthy cut.
