The DIY Way To Sharpen Lawn Mower Blades

Is your lawn mower tearing of the lawn grass blades instead of cutting it? Does your lawn look like it has been eaten by a goat, in spite of being cut by the lawn mower? Wait; do not pull your hair by the root. Help is at hand. We will teach you how to sharpen the lawn mower blades at minimum price and effort.

Your Manual Lawn Mower - The Faithful Walk Behinds

Tools: The tools that your will require for doing this job are

The DIY Way To Sharpen Lawn Mower Blades

You and your time of about 2 hours or less

A bastard file of about 12" long

A small crow bar to prevent movement of rotor of lawn mower.

A worktable will be useful for dong the job comfortably.

Procedure: You can use the following procedure as a general guide and make changes to it to suit you. Remember the procedure is not sacrosanct. The results are important, not the procedure.

If possible, remove the handle of lawn mower and place lawn mower on the table.

Secure it if possible in the clamps. If you do not have clamps, do not bother, secure it against any block, so that the movement away from you is restricted.

Fix the crowbar in the blades so that it will not rotate

With the help of the bastard file, file the edges of blades so that they look sharp. Work at an angle of 45 degrees

When one blade is sharpened, remove the crowbar and turn the rotor to work on another blade. Repeat the procedure until all blades are sharpened.

If you have a flexible shaft grinder in your DIY workshop, you will be able to complete the work within 5 to 10 minutes per blade. Make a template of blade profile before you start your work and compare frequently. This is necessary to ensure that you do not over cut at a place.

Safety Tip For You

While sharpening the blades ensure that the stroke is not too long otherwise, you may injure yourself.

Sharpening Blades Of Power Mower

Depending upon the lawn mower the procedure may vary. We have included general statements in this procedure; you would have to change the procedure slightly. Keep the maintenance manual of lawn mower handy if you have one.

Tools required.

Siphon hose and clean container

Heavy work gloves and goggles

Double-cut (medium-rough) flat file

Lumber scrap

Socket wrench set

Rubber mallet*

Bench vise or C clamps

Rotary blade sharpener accessory

Electric drill*

Screwdriver, or 1/4-in. rod or bolt*

Blade balancer

Replacement blade*

* Only if required

The list may look formidable, but tools are generally available with every DIY enthusiast.

Procedure:

The procedure is given for the simple single blade lawn mower, but the same will apply to all types of blades, whether single or double

Wear hand gloves and clean the engine and the gasoline tank from outside

Remove spark plug from the engine

Remove all the fuel from the tank of the gasoline engine. Use the siphon hose so you do not spill gasoline on floor.

Completely empty out the oil from gearbox if you have one

Invert the engine and have access to the blade.

Clamp the engine so it does not move and clean the blade area thoroughly

With help of a box spanner, remove the nut holding the blade. Usually the nut will be unlocked in the reverse to direction of rotation of engine. You may engage the screwdriver in the cooling fan of engine to stop rotation of engine.

If you find that you are using too much force to unlock the nut, put one or two drops of rust removing chemical, and try after 30 minutes

After you remove the blade, clamp it in the bench vise and sharpen it with a file or a grinder. Sharpen only the outer 2 to 3 inches. The area to be sharpened will be known if you see the blade.

Sharpen only to the required extent. Too much sharpening is not necessary. This is not the knife. It works at the speed of the engine

After sharpening, check with your thumb. Be careful not to cut thumb. If you have done sharpening before, or seen some one doing it, you will know what we mean by this.

Balance the blade with help of a small balancing tool on VEE blocks, or even on two foot rulers placed side by side

Refit the blades, refill engine oil and gasoline and test the sharpness of blades on uncut portion of your lawn

Safety tips:

Always use safety goggles and hand gloves when working with power tools.

Be sure to remove the spark plug before starting. Serious accidents can happen if you do not do this.

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How to Sharpen Your Chain Saw

To keep a chain saw sharp, you must sharpen it often. This is not as difficult as it sounds - all you need are a few simple tools and some practice. There are really only 2 steps to sharpening your chain saw. First, you need to file or grind the teeth on the chain to a razor sharp edge, and second you need to adjust the height of the depth guides that regulate the amount of wood taken by each cut.

You can imagine the teeth on the chain as small wood chisels, each one taking a small sliver of wood from the cut, every second tooth cutting from the opposite side. If each tooth takes a consistent amount of wood, at the same angle, and with same amount of effort or force from the saw, then we will get a nice clean cut with a minimum of struggle. When the chain saw doesn't pull to either side and the saw cuts through the wood like butter you know you have a well sharpened chain saw.

When you're learning how to sharpen your chainsaw it's a good idea to tighten the chain so there is very little slack. This will keep the teeth straight and make it easier to maintain a consistent angle when stroking with the round file. You should still be able to move the chain around the bar in a snug fashion. Just remember to loosen the chain before using it again.

How to Sharpen Your Chain Saw

Pay attention to the cross angle of the teeth, as well as the upward tilt angle of the sharpened edge. Line up your round file so that it follows the existing angles on the teeth. Gently stroke the file towards the tooth's point (away from the saw body). Watch the guide carefully so you can keep a consistent angle. Always count the number of strokes on each tooth - usually 5 or 6 strokes is enough. Then move on to the next tooth on the chain and stroke 5 or 6 times at the very same angle.

Repeat this pattern for all of the teeth that point in the same direction (every second tooth). Then flip the file guide around and repeat the process for every other alternating tooth pointing to the other side of the saw. Remember, it's very important that every tooth is sharpened the same amount or the saw will pull to one side when you try to cut.

After several sharpenings you will have worn the teeth down slightly. The depth gauges must be filed down so they are no higher than the tops of the teeth on the chain saw. Many people don't know about this step, but if you don't maintain the correct height of the depth guides your chain saw will not cut properly.

All you do is set the depth guide on the chain straddling the teeth and a small notch on the guide will allow you to remove the correct amount from each gauge. Filing the depth gauges is easier than sharpening the teeth because you're only trying to set the height of the depth gauges, not actually sharpen them.

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how to sharpen your chainsaw part 1

how to sharpen your chainsaw part 1 Tube. Duration : 6.17 Mins.

After taking my chainsaw blade to the hardware store and having them sharpen half the teeth off the blade,I decided to buy a sharpener and do it myself. After several years I'm sure I've saved many hundreds of dollars in chains and sharpening fees

Keywords: Chain, Saw, Blade, Sharpen, wood

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How to Sharpen the Blades on a Chainsaw

You may think that once you have bought your chainsaw, the real work is about to begin. That may be true but it's not only in the garden or your lawn that you will need to think about the tough work. Chainsaws often need maintenance and while you may not be familiar with this work, it's important that you become comfortable with it. Sharpening the blades of the chainsaw is important because it will not only save you time and effort when going to do the big jobs, but it can also keep you safe from injury too.

The first thing you will need to know when sharpening the blades of your chainsaw is the size of your saw's chain. This is because you will need to buy a rotary grindstone or a chainsaw file to sharpen your blade and these are sold in different sizes, corresponding to the different sizes of chainsaw blades.

The chain then needs to be cleaned thoroughly. There are many cleaners that can be purchased for this purpose but if you find them too costly, a simple mineral water will also do the job well. It's important that when you're cleaning your chain that you do not saturate any part of the chainsaw. This is because it can get into the plastic housing of the unit or the motor, and can cause a lot of damage to these parts. As you're cleaning your chain, look for parts that are broken or damaged. These parts can't be repaired but having them fly off while the chainsaw is in use is extremely dangerous. Any broken pieces of the chain should be immediately taken off and replaced with new bits.

How to Sharpen the Blades on a Chainsaw

Sharpening the blades of a chainsaw means that the chainsaw needs to be stable and supported. Laying the chainsaw on a flat surface may be all that the chainsaw needs to get this done by clamping it in a vice so that the blade remains perfectly still is the best option. Next, you need to find the leading cutter, which is the shortest cutter on the blade. Some chainsaws don't have a leading cutter, leaving all the cutters the same length. If this is the case, the filing can begin anywhere however it will make it easier if you can lightly mark the first cutter that you filed so that you don't re-file it.

The file can then be placed into the space on the front of the cutter. This is the first tooth that lays flat against the chain and the file should be just about even with the tooth once it's placed inside the empty notch beside the tooth. Then, holding the file at the same angle as the tooth, gently slide the file in a twisting motion. This will ensure that anything you are filing off will not fall to the inside of the blade. You can then do this with every tooth on that side of the blade. After one side is finished, the chainsaw can be turned around so that the unfiled teeth on the other side can also be filed. These teeth will be angled differently than the teeth on the other side so be sure to adjust your blade file as well.

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