Sharpening a push mower blade

To get a quality finish and a healthy lawn, your mower needs to be able to make a clean cut across the grass as it mows. Disconnect the spark plug wire to prevent an accidental start. Tip the lawn mower up on its side so that the carburetor is facing up to prevent flooding.

Mark the side of the blade facing out with a permanent marker or some spray paint. Unbolt the blades. On some models, including all Twin Blade mowers, there are two bolts that hold the blade onto the engine shaft. Remove these bolts, but do not loosen the smaller center bolt. If the blade wants to spin, wedge a piece of wood between the blade and the deck. Remove the blade, paying attention to the order of any washers or other fittings on the mounting bolts.

If you see any of these signs of wear, the blade should be replaced. Blades can be sharpened using a bench grinder or clamped into a vise and sharpened using a wheel or file. Always sharpen the top side of the cutting edge. Your mower blade only needs to be as sharp as a butter knife to be effective.

sharpening a push mower blade

Blade balancers are available, or you can hang the blade on a nail and see if it tilts in either direction. File a little metal off of the heavier lower side and recheck the balance. Once the blade sits evenly on the nail or balancer, it can be reinstalled. Before you put the blades back on the mower, you may want to take some time to remove any grass clippings that have gathered on the underside of the deck. A hose or pressure washer should be able to remove most matted grass, while a putty knife can be used for tough spots.

Reinstalling the blade is done in the opposite order of removal. When installing blades on a Twin Blade mower, the blade with the smaller edges goes on first, followed by the blade with the winged edges. Both blades should tilt downward. We carry everything you need for your mower from blades to engine blocks, and we can ship your order to any address in the U. Your email address will not be published. Removing the Blade 1.Inwhen I was a teenager, my father gave our neighbor, Mr.

The ash handle shone with age and use, and it had a canvas grass catcher. Pushing it revved up the blades, a cylinder of curved scimitars that sliced each blade of grass to the same height.

Gruder gave me a lesson on how to safely sharpen the blades to razor sharp. For nearly a year, I mowed lawns with my trusty push mower. I wish I still had it.

But two years ago, I found a Super Chief reel mower in an antique store.

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It had a broken handle but a spotless canvas grass catcher. A good vintage reel lawn mower handle should be splinter-free, with solid handles baptized in boiled linseed oil. But if a bad handle is the only thing wrong with a used machine and it has a good price, buy it. But are they worth the hours of restoration? You should perform basic maintenance on a reel lawn mower after every third use, and the procedure is perfectly simple.

First, put it up on a workbench. Check the rubber wheels. You can temporarily repair this by making grooves in the tires with a three-corner file — until you have time to look for replacement wheels. Always wear leather gloves when working with the blades for any reason, including debris removal when mowing.

To hone the blades, jam a wooden stick through the cage to prevent it from turning. A coarse sharpening stone and a light application of cutting oil will make each blade sharp within seven or eight light but even and smooth strokes.

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Follow the angle of the blade as closely as possible. Use the same number of strokes on every blade to ensure a uniform distance of all blades from the cutting bar, which should almost touch the whirling blades, leaving room for the width of a blade of grass.Mulching blade design includes an upward bend that creates lift inside the mowing deck. This lift is what makes longer grass clippings swirl around inside the deck so that the cutting portion of the blade shears them several times before the clippings fall into the lawn.

The bend causes some problems when sharpening the blade because the cutting edge typically extends from the tip of the blade across the bent portion. Remove the spark plug wire, which prevents accidental starting when working on a mower. The plug is typically installed in the front of the engine.

Pull the spark plug wire by hand; the use of tools can damage the plug wire. This prevents the gasoline from leaking onto the ground.

Lawn mower Blade sharpening \u0026 Balancing

If the mower is equipped with a drain, unscrew it by turning the valve counterclockwise. If there is no drain, you'll have to tip the mower to drain the tank. Wedge a 2-inch-byinch block of wood between the mulching blade and the mowing deck so the blade will not turn when loosening it. Loosen the nut that holds the blade in place. Wear a glove on one hand so you can grip the blade as you loosen the nut. Remove the mulching blade and place it in a vise for gripping while you sharpen.

Tighten the vice on the center portion of the blade, with the beveled cutting edges pointing upward. Hold a file at the same angle as the beveled edge, and push the file toward the edge of the blade. Switch to a narrower file when you reach the curved portions of the blade.

How to Sharpen Reel Mower Blades?

A narrower file allows you to sharpen these edges more easily than you can with a wider file. Hang the sharpened blade from a nail to check for balance. Insert the nail through the hole already bored into the center of the mulching blade.

If the blade does not hang evenly, file a bit more on the heavier side -- the side that hangs lower. Check again for balance. Put the blade back on the shaft and tighten the nut. Prevent lacerations by holding the blade with a gloved hand while tightening. Robert Korpella has been writing professionally since He is a certified Master Naturalist, regularly monitors stream water quality and is the editor of freshare.

Korpella's work has appeared in a variety of publications. He holds a bachelor's degree from the University of Arkansas. By Robert Korpella. Things Needed. Photo Credits.

About the Author.Learn which plants thrive in your Hardiness Zone with our new interactive map! Manual push mowers may seem low maintenance. They certainly require less care than their gasoline-powered cousins.

However, sharpening your manual push mower is a key aspect of its maintenance. Dull blades leave jabbed edges on grass blades. Not only does this cause their tips to brown, but it leaves them more susceptible to disease.

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The fastest and safest way to sharpen a manual push mower's blades is with a sharpening kit. They can be purchased online or from your local garden center. Set the mower on a table so its easier to work on. Push the handle of the mower down so that the mower is resting on the handle and the roller. Pop off the cover in the center in the center of the wheel.

You may be able to pop it off with your fingers or you may have to insert a flat head screw driver to pop it off. Remove the C-ring located just below the cover you just removed. Slide the flat head screw driver underneath it and simply slide it off. Look in the sharpening kit to find the crank.

sharpening a push mower blade

Slide it over the protrusion that the gear was attached to. Look in the sharpening kit and find the container of sharpening compound and the brush. Open the container and dip the brush in the sharpening compound.

Paint the blades with the sharpening compound. Be sure to apply an even coat. Use the lever on the handle to lower the cutter bar so that it just touches the blades of the mower all the way across. Use the crank to turn the blades backward in the opposite direction that they turn when you are mowing.

Turn the blades until you see the smooth metal edge of each blade. Put the mower back together. Remove the crank and replace the gear.

Then put the wheel back on and slide the C-ring back in place. Then pop on the cover and return the cutting bar to its original position. Wipe the sharpening compound off the blades with a rag, soap and water. Then spray them with a light coating of WD Share this article. Remove the gear that you just revealed. Things Needed. Sharpening kit Flat head screwdriver.A lawnmower is an essential tool for every home that has a lawn. It is a piece of cutting equipment that will keep your garden beautiful.

If your grass is looking ragged instead of healthy and clean, that means your lawnmower blades need sharpness and also make it rust-free to create the outstanding look of a house.

With continuous use, the lawnmower blade will become rusty and dull and will not able to cut the grass smoothly. So, it is essential to sharpen the blade every year or twice a year depending on the working condition of the lawnmower to get a healthy and fresh grass cut.

This guide will provide you a proper guideline on how to sharpen the lawnmower blade and how often you should sharpen it. Unplug the mower from the main switch to prevent any cause of injury.

Once disconnected, the engine should not start. Also, empty the gas tank from any spill.

How to Sharpen Your Lawn Mower Blade

For safety purposes, use a heavy type of gloves and wear glasses for eye protection before and during all the steps. Be sure to disconnect all the power sources before you start work on your mower. To Sharpen the blades, you must turn it on its sides, but first, keep the balance of the blades before sharpening.

Now take your grinder and start sharpening the edges of the blade to make it clean and sharper. Continue the sharpening until you get the desired result of a definite line on the cutting edge of the blade. Blade sharpening can be done in various ways by using different tools. But it all depends on the making of your machine and its blade.

You may sharpen the blade without dismantling, as it will save a lot of your time and effort. There are so many products available in the market for sharpening the lawnmower blades without removing it.

You can sharpen the lawnmower blade without removing it, as it will save your time and energy. It all depends on the models of the mowers. These are some steps that can be used to sharpen the mower blades sharply to get a cleaner cut. With the help of a hand file, the lawnmowers blade can be sharpened very well.

Start striking on one end of the blade and push the file up and down with a little pressure. Make three or four passes on one side, then do the same on the other side to get better results. A bench grinder can remove the dents from the blade, so use the right edge of the blade to sharpen and keep it balanced when grinding is going on because it can remove a lot of metal in a hurry.

How to Sharpen a Manual Push Mower

So you have to be very careful to remove the same amount from each end of the blade to keep it balanced. Move the grinder in the existing angle and work your way up and down the blade.Agh…I love the smell of fresh cut grass, but joy can quickly turn to frustration when using a dull lawn mower blade. Grass trailings, uncut grass, clogged mower and the list goes on….

So do you need to sharpen a new mower blade?

How to Sharpen a Lawnmower Blade

Mower blades come ready sharpened. And also what you must not do when changing your lawn mower blade. Yes, lawn mower blades need to be sharpened. A dull blade will pull and tear on your grass blades causing jagged tips. The dull blade stresses the grass and the damaged grass tips turn yellow. A sharp blade will cut cleanly which is healthier for the lawn, easier on you and your mower engine.

At the very least your mower blade needs to be sharpened at the start of every new season, and more often if your yard is stony or large. Setting your mower cutting deck to lowest level will cause the blade to impact objects more often and will obviously need more regular sharpening. A mower blade should be replaced about every third to fourth season. New yards usually have rocks, stones and debris that impacts the blade causing it to become dull and wear out quickly.

Check out the wear on this blade, this mower was having all kinds of cutting and bagging problems - New blade solved all. Examine your blade by turning your mower over on its side but always with the carburettor side facing the sky prevents gas spill.

sharpening a push mower blade

Wearing a glove, run your finger along the bevelled blade. Are there large indentations or gouges? If the answer is yes, then your blade needs to be sharpened. Yes you can sharpen a mower blade without removing it, so long as it is not b adly damaged or worn. Best practice is to remove the blade from the mower, sharpen and then balance it. Sharpening the blade on the mower runs the risk of unbalancing the blade which will cause the whole mower to vibrate.

This method is only suitable for relatively new blades. You'll need a big flat metal file, move the file at 45 degrees with the bevel and to finish run the file across the rear to clean the burrs.

If your blade is heavily damaged or badly worn, this method isn't suitable. If your mower blade is more than four years old and seen average use, then go ahead and replace the blade. Tightening a mower blade without using a torque wrench runs the risk of the blade coming loose or destroying the engine.

Unless your blade is in good condition, I'd spring for a new one. They're not expensive, but you'll need to buy or borrow a torque wrench. A mower blade may not be as tight as you might expect. A blade fits on a blade boss metal block which is then fitted to the end of the engines crankshaft. A blade is designed to slip on the blade boss if the mower blade hits a solid object. Over-tightening the blade will prevent the blade slipping on the boss, and will instead bend the crankshaft and destroy the engine.

sharpening a push mower blade

Can you sharpen a Mulching blade? Yes a mulching blade is sharpened in the same way as a collecting blade, best results are achieved by removing it before sharpening and balancing. A single blade lawn mower blade bolt will be a right hand thread. Viewing the mower on its side carburettor side up.

To tighten the bolt — turn clockwise. To loosen the bolt — turn anticlockwise. All mower blades will have a lifted trailing edge.Reel mowers are an efficient way to trim the grass on your lawn.

This is especially true when the lawn is small to average sized. The equipment needs very little sharpening and maintenance thanks to their basic design and operation which produces a scissor-like motion to cut the grass. This motion rarely dulls the blades.

However, there comes a time when you need to sharpen the blades on your reel mower. The main way through which the blades of a reel mower get dull is when trying to cut through tough twigs, or a lawn full of pebbles and rocks.

An example of this is when cutting driveway grass. With a sharp reel mower, you will get the job done in no time. A blunt reel mower is that much harder to push will vibrate a lot when pushing and is more likely to cause injuries in your elbows.

This is why you need to ensure that the blades on your reel mower are in pristine condition. It is important to observe proper procedures when sharpening the blades to protect you from accidentally cutting yourself. Here we wish to look at the basic steps to keep those blades sharp and working at full capacity.

This is perhaps the easiest method to sharpen the blades of your reel mower. There is a procedure to be observed. Start by removing the handle of your reel mower. This will make it simple for you to get to the blades. Once the handle is out of the way, simply turn the wheels on one side and remove the cap that hides away the screw that holds the wheel in place.

You can do this with the help of a screwdriver. Take out the c ring that surrounds the screw and holds the wheel in place. Again your good old flathead screwdriver should do the trick.

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Once it is out of place, the wheel should have no trouble coming off. Put it aside to access the blades. This step involves removing the equipment that is situated inside the wheel. This gear allows the wheel to move the blades. With the wheel taken out, it should be easy to get this done. The sharpening kit should have a crank. Where the blade turning gear was located, put this crank in and turn the blades backward. This is how you sharpen them by using the backward slapping method.

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