How To Put On Riding Lawn Mower Blades?

by | Last updated on January 24, 2024

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It's important that the blade's cutting edge follows the direction of rotation

. The wings of the lawn blade will be oriented up toward the mower deck, and any writing on the blade will likely be facing away from the deck. If the blade bolt comes with a washer, its concave side will be facing the blade.

Does it matter which way a lawn mower blade goes on?


It's important that the blade's cutting edge follows the direction of rotation

. The wings of the lawn mower blade will be oriented up toward the mower deck, and any writing on the blade will likely be facing away from the deck. If the blade bolt comes with a washer, its concave side will be facing the blade.

How do you put a lawn mower blade back on?

Which side of mower blade faces down?

To determine which side of your lawn mower blade is up, first figure out which side is the sharp cutting edge, and which side is the blunt edge. Look for a sticker indicating which side goes up and which side faces downward.

The cutting edge should face the grass while the dull edge should face the deck of the mower

.

Can you put a lawn mower blade on backwards?


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.

Are riding lawn mower blades reverse thread?


Yes and no

. The lawnmower blades itself is not threaded, but most nuts that held the blade in place are reverse threaded. The reverse thread helps to secure the blade on the drive shaft such that the rotation of the blade does not loosen the nut.

Which side of blade goes up?


Sharp Side of Your Blade Closest to Ground

The blunt side will usually have a raised edge, rather like wings. This raised edge is what “lifts” up your clippings once they've been cut into the air vacuum of the deck so they can be directed into your grass catcher or out the discharge chute.

How do you know if mower blade is upside down?

Which way to install mulching blades?

1. Look at both sides of the mulching blade. Most blades have the word “bottom” stamped on them, or they have a model number imprinted onto the underside.

Whether a word or a number, that side of the mulching blade must face the ground after it is installed and the mower is standing upright

.

How do you change a blade on a lawn mower without removing the deck?

How do you change the blade on a Craftsman riding mower without removing the deck?

  1. Check The Condition Of The Blades. The first thing you'll want to do is check the condition of the blades. …
  2. Park Your Mower. …
  3. Take Out The Spark Plug. …
  4. Lift The Mower With A Jack. …
  5. Take Out The Mounting Nut. …
  6. Put The New Blade On.

How do you change a blade on a 4.0 lawn mower?

Which way is up on mower blades?

Does a lawn mower blade have a left hand 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).

Can you turn a riding lawn mower on its side?


The absolute best way is to tip it straight back on its back wheels

. But as it's at a 45 degree in this position, access to the underside of the deck can be tricky, which is why I like to tilt it on its side. Just make sure the carburetor and air filter are facing up.

Do I really need a torque wrench for lawn mower blade?


A torque wrench is critical for jobs like lawn mower blade fitting and flywheel fitting

, as you already know, overtightening these components could cost you an engine.

Why does my lawn mower cut better backwards?

A push model that mows grass better when pulled in reverse than pushed forward

may need to be sharpened

. The forward motion of the wheels is what turns the interlocking blades and, when operated in reverse, the blades turn in reverse.

How should mower blades be?


Turn the mower blades slowly until one points forward and one points backward

. Leave this as is and place a wood block inside the deck next to the edge of a blade that has to be aligned. Turn this blade just a bit to wedge it tight. Using an adjustable wrench, remove the blade's screw, spline washer and spring washer.

David Martineau
Author
David Martineau
David is an interior designer and home improvement expert. With a degree in architecture, David has worked on various renovation projects and has written for several home and garden publications. David's expertise in decorating, renovation, and repair will help you create your dream home.