- Drain the fuel tank.
- Lift the side of the mower that has the muffler or spark plug.
- Use a piece of wood to deep the blade from rotating.
- Remove the bolt (B, Figure 21) that holds the blade. Briggs & Stratton engines that are used on walk behind lawnmowers use a right hand thread and would be loosened ...
- Check the blade (C) according to the "Blade Service" instructions. Replace a badly worn or damaged blade with a factory replacement blade.
- Mount the blade with the curved edges toward the housing. If the blade is upside down, the blade will not cut correctly and can cause an accident.
- Fasten the blade with original washers (D) and bolt. Make sure the outside rim of the Belleville washers are toward the blade.
- Tighten the bolt that holds the blade to a torque of 30 ft. lbs.
How do you remove the blade from a Briggs and Stratton lawn mower?
Use a piece of wood to deep the blade from rotating. Remove the bolt (B, Figure 21) that holds the blade. Briggs & Stratton engines that are used on walk behind lawnmowers use a right hand thread and would be loosened by turning counter-clockwise with a 9/16" wrench.
How do I change the blade on my lawn mower?
Pay attention to the position of the blade as you're removing it. You'll mount the new one in the same orientation, usually with the sharp edge of the blade going counter-clockwise with the turning of the assembly. Again, this may not be true on all mowers, so pay attention to the way this blade is installed and install the new blade accordingly.
What should I do if my Briggs and Stratton lawn mower wont start?
If you are using a Briggs and Stratton cordless model, make sure that you remove the batteries. If you use a Briggs and Stratton electric lawnmower make sure to remove the wall plus. Also turn the ignition off, if that is possible with your model.
When should I replace my lawn mower blade?
If, on the other hand, the airfoil built into the back of the blade is worn away, or the blade is bent or otherwise damaged, you probably need to replace it. Park the mower on a suitable work surface.
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How do you remove a Briggs and Stratton lawn mower blade?
How to remove the blades of a Briggs and Stratton lawnmower, step...Check the operator's manual.Remove the spark plug and disengage the ignition wire.Remove the fuel from the chamber.Tip the mower and use a cleaner spray.Remove the bolts retaining blade.
Which way do you turn the bolt to loosen a lawn 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.
How do you remove a lawn mower blade without removing the deck?
1:427:38Change Your Riding Lawn Mower Blades Without Taking Off the DeckYouTubeStart of suggested clipEnd of suggested clipSo what I do is just set a little block of wood right here on the lip of the deck. And then put a CMoreSo what I do is just set a little block of wood right here on the lip of the deck. And then put a C clamp on it going underneath the deck. And what that's going to do is stop your blade from turning.
How do you remove lawn mower blades?
0:101:33How to Remove and Replace Lawn Mower Blades - YouTubeYouTubeStart of suggested clipEnd of suggested clipThe blade with the universal blade removal tool or a block of wood. Loosen the blade retaining boltMoreThe blade with the universal blade removal tool or a block of wood. Loosen the blade retaining bolt and remove the blade.
Are mower blade nuts reverse 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).
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.
How do you install a lawnmower blade?
0:352:07How to determine which side of Cutting Blade to attach ... - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnother method you can use to find out which side of the blade you should mount to the crankshaft isMoreAnother method you can use to find out which side of the blade you should mount to the crankshaft is to find the edge of the blade that's opposite the sharpened side or sharpened edge of the blade.
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.
How do you install a lawn mower blade?
0:241:37Replacing the Blade on a Lawn Mower - YouTubeYouTubeStart of suggested clipEnd of suggested clipPull the blade blade. Support and blade bolt off the crankshaft. Position the new blade blade.MorePull the blade blade. Support and blade bolt off the crankshaft. Position the new blade blade. Support and blade bolt on the crankshaft. And hand tighten the blade bolt into the crankshaft.
How do you loosen a tight bolt on a lawn mower?
Wrench Leverage – Turn the Wrench left to loosen. If you don't have a ratchet and breaker bar, try 2 interlocked wrench's for extra leverage, or use a hammer to shock the bolt. If it still won't budge, try tightening it slightly, this often helps, odd I know!
What happens if you put lawn mower blades on upside down?
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.
How do I remove a blade adapter?
1:342:57How To Remove A Lawnmower Blade Adapter - YouTubeYouTubeStart of suggested clipEnd of suggested clipMake sure you have a loose bolt in there that's a bit longer above. The adapter. And then CenterMoreMake sure you have a loose bolt in there that's a bit longer above. The adapter. And then Center everything together like that and I'll tighten the center bolt. And make sure to hold the jaws as well.
How to stop a lawn mower blade from turning?
It's a good idea to wear thick mechanic gloves when doing the job, to keep your hands safe. It's also advisable to use a small piece of wood to stop up the blade from turning while you reinstall it. You can jam a small piece of wood between the blade and the mower deck to keep things from turning.
How long does it take for a lawn mower to get oil back?
Remove any jacks or props used to hold mower in place and wait about 30-60 minutes for oil to return to motor to prevent issues or motor damage. Check the oil before use to ensure it is within the proper limits. ...
How to stop a short out on a lawn mower?
2. Unplug the spark plug. It's best to stay on the safe side and prevent a short-out or electrical flare-up if any oil or gas should come in contact with the spark plug. It shouldn't be a problem if you hold the mower properly, but it's still best to be on the safe side.
Can you change the blade on a lawn mower with no gas?
This won't necessarily be true for all mowers, however, so use your judgment and consult the owner's manual, if necessary. It's also best to do this when there's no gas in the mower. Wait until you use it all up to change the blade, or you might consider draining out the gas with syphon hose.
Do push mowers have a bottom cap?
If your blades are particularly worn out, it's a good idea to invest in a new set. Some mowers feature a bottom cap on which two shorter separate blades are attached, while some newer push mowers feature a single longer blade, that looks kind of like a ruler.
Do lawn mower blades wear out?
Blades wear out with use and need to be changed occasionally to make your mower more efficient. You'll keep your lawn healthier and you'll need to mow less frequently with sharp, clean blades. Replacing them is an easy project that won't take up much time, as long as you approach it correctly.
How long is a riding mower blade?
Most riding mowers use a single long blade, but larger mowers sometimes use a pair of blades that may be anywhere from 6-32 inches (15-81 cm) in length.
How to remove a mandrel blade?
Turn the nut (or bolt) counterclockwise to remove it from the mandrel shaft, then allow the blade to drop off. For blades that are tightly seated, you may have to pry the blade off or work it up and down to loosen it after the nut is removed.
Do you need to sharpen a lawn mower blade?
Check the condition of your mower blades to see if they need changing. If the blades are not significantly worn but are dull, they may only require sharpening. If, on the other hand, the airfoil built into the back of the blade is worn away, or the blade is bent or otherwise damaged, you probably need to replace it.
Can a riding lawn mower fall on you?
You need to make sure it is supported solidly, as riding lawn mowers are heavy, and you don't want to risk having it fall on you while you work on it. For greater safety, consider using a manufactured mower or tractor lift.
Can a mower blade be sharp?
Mower blades have sharp edges, and with worn out blades, almost any edge can be sharp, not just the cutting edge. Thanks! Helpful 0 Not Helpful 0. Make sure blades are properly fitted on the mandrel so they do not slip or come loose.
