Mower blades have a cutting edge at each end. The key to replacing the mower blade is installing the new one properly. 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 my mower blades upside down?
Lawn mower blades have turned up edges at the outer ends. They are supposed to be UP when the lawn mower is upright. So when installing the blade, turn the upraised edge or flange or wing TOWARDS the bottom of the mower deck. Then it will be right side up when you put the mower back on it’s wheels on the ground.
Do mower blades have to be lined up?
Aligning the Blades
Some mower manuals, like this one from John Deere, make a point of saying that mower blades need to be aligned perpendicular to one another. To see if the mower blades are out of alignment, you first have to take off the cutting deck.
What direction do I turn the nut to change a 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.
Which side of mower blade faces down?
The sharp edge should face outward and down toward the grass. The dull edge should face the inside of the mower. That being said, changing a lawnmower blade involves various steps, and you need to make sure that you do everything correctly.
Why does my mower cut uneven?
Uneven cutting is wavy or smooth troughs in the lawn surface. Uneven cutting is usually caused by mower deck damage or misadjustment.
Why does my mower leave a row of grass between two blades?
Rows or streaks of uncut grass in your lawn may be the result of your lawnmower’s cutting blades being dull or otherwise damaged. … In any one of those cases, it’s best to replace the blades. Check your lawnmower’s blades, at the very least, at the end of every mowing season as part of your lawnmower maintenance routine.
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.
How sharp should lawn mower blades be?
How Sharp Should Your Mower Blade 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.
Should lawn mower blades be parallel?
Registered. The blades should be parallel to each other and perpendicular to the spindle shaft……
What is mower blade offset?
The middle ‘offset’ is the mulching part. If you look close it should be angled down in the back like a ‘reverse’ lift. It forces the clippings back down to be recut again.
Can you tip a lawn mower on its side?
According to MarionMowers, It says: If your lawnmower is four stroke (which it is), tip the mower so that the spark plug is pointing skyward, never tip it on its side with the spark plug to the ground.
How 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 Toro mower blades reverse thread?
Having said that the blades of a lawn mower would be reverse threaded. Yes you heard it right. … Removing your blade for sharpening or replacement will require the use of a socket wrench to unbolt the lock nut, which is often reverse-threaded.