Quick Answer: What direction do I turn the nut to change a mower blade?

The blades on many brands of walk-behind mowers rotate to the right, the clockwise direction, when you are mowing. To remove the blade, you must turn the blade’s retaining bolt to the left, or counterclockwise.

Which way do you loosen a nut on a lawn mower blade?

Put a wrench socket of the correct size on the head of the bolt securing the blade to the blade holder, and apply force to the wrench handle in the counterclockwise direction to loosen the blade bolt. The bolt may have a 1/2-inch, 5/8-inch or 3/4-inch head, depending on mower model.

Are mower blade nuts 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. However, not all blades use a reverse-threaded nut to secure them to the engine’s drive shaft.

Which side of the lawn mower blade is up?

The most common and easiest way to tell which side of your lawn mower blade is up, is to look for the label. Most manufacturers will stamp at least one side of the blade with a direction label. These can say things like: “This Side Up”, “This Side Down”, or “This Side Toward The Grass”, depending on the brand.

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Do all mower blades turn counterclockwise?

Most lawn mower blades rotate in a clockwise direction (counter-clockwise when viewed from below), and as such have the cutting edge on the right side. If you are unsure of how your mower rotates, check the position of the discharge chute; if it is on the right side angled back, the blade turns clockwise.

Are lawn mower blade right or left hand thread?

The overwhelming majority of mower blade retainers (almost all are bolts) are normal right hand thread. The best indicator that the method of retaining the blade(s) might deviate from the norm would be found in the side which the grass is discharged from the mower deck.

What size is the nut on a lawn mower blade?

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.

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.