Apart from loose blades, another scenario that homesteaders are likely to encounter is blades that wont turn. If you don't know how to fix it, please don't try to DIY it. (it could happen though). Mowing with a dull blade can create a ragged cut, turning grass brown. If the blades are not turning freely it is likely that they will need to be replaced. loose blade in push mowers, you should follow [How to Use It], How to Revive St. Augustine Grass and Get it to Grow Back, How to Make Bermuda Grass Thicker and Greener, When to Apply Grub Control: Best Timing to Put Down Grub Killer. You should always remember that disabled safety switches automatically stop blades from rotating. Then go buy an axe, or a "pick-mattock. Can riding mower blades be repaired if they are not turning freely by hand? Learn more about Stack Overflow the company, and our products. The reason I was thinking about fixing it myself was the support person from Briggs & Stratton gave me a suggestion to buy this Repair Manual. I tried the pull cord and it wouldn't budge. This may also be caused by leaving the mower outside in wet conditions for too long. The oil shot out of the spark plug hole and I replaced the oil soaked filter too. After sharpening the lawn mower blade, reattach it. Finish one edge of the mower blade, then release it from the vise. Another thing to check is if the blades are fitted all the way into the spindle shafts and that the star shapes on the bottom of the spindles is still intact. How does a fan in a turbofan engine suck air in? Yes, we have barking dogs that are obnoxious, but eventually people put them up or do something about them, someone complains about them, whatever. Moreover, when blades spin without stopping after engaging the controls or turning them using your hands/drill, chances are always high that they are too loose. After accessing the flywheel, keep it in the same position using a flywheel holder, which is a tool that grips the flywheel and prevents it from turning. More maintenance and cost of gas will add up but if you compare the price of a replacement battery (if available), gas makes a lot more sense. Place the grinder over the edge of the mower blade. As Ive explained earlier, doing so will shave off the bolts threads bit by bit, and it will eventually lose its ability to hold the blade in position altogether. It's a Husqvarna mower, one year old with a Briggs & Stratton engine. Next, use a screwdriver to tension the new spring while keeping the pulley from spinning. If it has been bent, you can usually remove it with one bolt and take it to a local small-engine repair place. The mower blade is directly connected to the crank-shaft of the engine and (were it capable of doing so) turning it might cause the engine to engage, kind of like the old airplane props you've seen. Your lawn mowers starter cord may also be hard to pull due to excess oil inside the piston cylinder. Pro Tip: Sharpen your blade with a hand file. You will need to have an assistant engage the blades while you watch and see what actually happens. Replace the Mower Blade. Tighten it until you hear a click. Making statements based on opinion; back them up with references or personal experience. Dot product of vector with camera's local positive x-axis? After ten minutes, rock the blade until it starts to turn. Is the blade brake something that can be adjusted to be fixed or would it have to be replaced? It would cause symptoms similar to what you're describing. The blade was difficult to move. Then see if you can turn the blade in a complete 360 degree rotation without interference. Examine the blade. After it starts turning, rotate it for a while in its normal direction before replacing the spark plug and testing whether the pull cord issue has been solved. Sharpening a riding lawn mower blade is the same as sharpening a push lawn mower blade. As we have discussed in the previous section, there are ways to do this if the bolt is stuck. Over time, lawn mower blades get dulled by usage. Thank you, and that makes sense that it would be that part. Once you remove the blade, examine it to determine whether to sharpen it, or replace it. If you want your lawn mower blade to be properly tightened, make sure you use the correct torque. Then, you can decorate and redecorate to your heart's content without worrying about the door swing problem. It makes it more difficult to pull the starter cord. I wouldn't think a dinged key would cause the engine to be hard to turn over. The manufacturer should provide a proper tightening level expressed in foot-pounds, commonly found in the mowers manual. Otherwise, you can simply use the correct size wrench. Support the blade under its center, like a scale. There will be information on what size you need in the user To subscribe to this RSS feed, copy and paste this URL into your RSS reader. WebI turned the mower on its side and tried to move the blade by hand. Lets take a look at each of them separately. We do not specifically market to children under 13. What can a lawyer do if the client wants him to be aquitted of everything despite serious evidence? 3 Alternatively, use a belt sander. If they turn freely and easily then theyre likely in good shape. WebHope this helps guys! This is known as a hydro lock. It connects the flywheel to the crank shaft and it's designed to break with less force than it would take to cause permanent damage to the engine. Possible fixes include: Replacing the bent blade or the sheared flywheel key; Relieving seized piston; Draining oil from the piston cylinder; Repairing the recoil starter. Pay attention to the position of the blade as you're removing it. After four or five strokes, check the mower blade edge. Only when the lawnmower has a clutch, the blades may run freely. Repairing an aluminum blade usually doesn't work very well. Or both. Take the spark plug and air filter out. Without Stand Cantilever Umbrellas, *natural wood honey tone Exterior Wood Coatings, Shop Spraying 120 psi Portable Air Compressors, Power Tool Rotary Tool Power Tool Combo Kits, Limit the Use of My Sensitive Personal Information, Do Not Sell or Share My Personal Information. Turn it over to the other edge and repeat. 3 Alternatively, use a belt sander. Blades that produce a crackling sound when spinning sound alarming. The flywheel key aligns the flywheel to the crankshaft. @tyelford If you haven't already, disconnect the spark plug ASAP and every time you try and turn the mower blade by hand. A screwdriver is an easy tool to use. All Rights Reserved. In some cases, the unnatural shape of the blade can be enough to prevent you from tightening it properly. link to Does Trimmer Line Get Brittle With Age? removing the cover. I turned the blade with my hand one full revolution. #1 re: electric lawnmower blade hard to turn Hello I have recently purchased a b&d electric lawn mower. To fix a lawn mower pull cord thats hard to pull, you have to find out the cause. That way you can swap a fresh blade in when one needs to be sharpened. Why is it important for riding mower blades to turn freely by hand? This makes the blade unbalanced. A gently sharpened and shiny edge is the goal. Move on to the next component, which is the drive belt of the engine. Then, using a flywheel puller, pull out the flywheel. Often, you wonder if they are too tight to spin. You can also use a 4 inch (11.4 cm) hand grinder with a metal wheel. This is a common question from people who are new to lawn mowers. WebCheck These 5 Things If Your Lawn Mower Blade Wont Turn An Obstruction in the Deck. To fix it, try tightening the bolt. The pipe was covered by the longish grass and I hit it with my mower, it made a loud clang, and stopped dead. The wrench should click the set time. This can happen if you overtighten the bolt holding the blade in place, like I explained before a damaged bolt wont be able to keep your blade in position for very long. Youll learn how to tell if the blade is dull and how to fix it. #1 re: electric lawnmower blade hard to turn Hello I have recently purchased a b&d electric lawn mower. Also, sharpen the blades after hitting rocks. Your email address will not be published. Thankfully blades are relatively inexpensive and easy to find.So there you have it. While its location varies For a novice who is learning about this for the first time, always feel free to ask for help. Why must a product of symmetric random variables be symmetric? Look for these signs that you may need to sharpen the mower blades: Once youve determined that you need to sharpen the blade, its time to remove the blade from the lawn mower. Also, as I lifted the machine back upright, I saw that oil had leaked out onto the ground through the muffler guard. Sharpening a blade by machine uses a blade sharpener, bench grinder or angle grinder. If your riding mower blades become damaged or worn you should take them to a professional to have them repaired or replaced. Otherwise, you might have fuel leaking through the air filter. You can learn more about this here. Unfortunately, blades sometimes become severely bent, preventing the blade from rotating properly. In general, sharpen twice per season or after 25 hours of use to keep your blades in good shape. You should inspect it for wear and damage. Another way to sharpen a lawnmower blade is to use a belt sander. In one spot of that revolution it becomes "harder to turn". If your blade is perfectly balanced, it should stop coming loose. Working around the house has always been a big part of my life. This is not normal at all, and can be caused by a number of things. Check your blade for the grease pencil or paint mark you made earlier. How do you fix them? Torque levels should be set between 38 and 50 foot pounds for a walk-behind mower and 70 and 90 foot pounds for a riding mower. These are hard-gripping questions that bother many homesteaders. Are lawn mower blades really supposed to be loose and, just how loose is too loose? So starting to take it apart (spark plug is out) and get the top cover off. Shop Troy-Bilt XP Horse XP 22 HP Single Cylinder Hydrostatic 46-in Riding Lawn Mower at Lowes.com, Parts and Diagrams for Troy-Bilt 13WX79KT011 Horse XP (2011). The edge shouldnt cut your finger. The other problem usually resulting from an accident like this is the flywheel probably sheared off the key and tuned on the shaft. Is variance swap long volatility of volatility? Otherwise, you can simply use the correct size wrench. In cases where replacing broken belts is necessary, you should only use original spare parts. Use a ratchet and socket or a wrench to loosen the nut until the mower blade releases. Just make sure you dont go overboard. Make sure the key does not remain in the ignition. The customer said the blades shut off and wouldn't turn on again. When tightening loose blade in push mowers, you should follow the following steps: Step 1: Empty the gas tank: Start by emptying a gas tank using a hand siphon or run it dry if the content is less than a Let it sit as directed, then scrub the debris away with a stiff brush. When thats the case, spray it with some penetrating oil. WebSharpening a lawn mower blade by hand uses metal files or abrasives. When theyre looking worn, you'll need to remove the blade from the lawn mower and hone the edges. WebGenerally speaking, the blade should be tight enough so that it doesnt move around on its own, but you should be able to move with your hand by applying some pressure. This exact thing happened to me last year (Husqvarna mower, long grass, hit a pipe, clang, mower stopped, cord stuck) and it was a bent blade. This is because some blades are more resistant to the force of a potential impact than others. Before reinstalling the blade, wipe the area under the mower clean. You caused the oil leak by tilting it up with the carburetor side down, which you should never do. Take a few strokes off that end to remove some metal, then retest. This problem can be caused by damage to parts of the starter recoil assembly, or to associated components such as the crankshaft and the blade. Dig out any mud and grass clippings that have caked under there too. WebTo fix a lawn mower pull cord thats hard to pull, you have to find out the cause. A flap disc is a good choice for the angle grinder. Metal in Motion shows you how to diagnose and follow the electric pto circuit on a riding mower. Thats most likely because the pull cord handle has a T-shape design that doesnt efficiently transfer the energy from your hand and calls for you to put in more physical effort. ), Disadvantages of Mulching Grass (Best Way to Mulch). To learn more, see our tips on writing great answers. Use a vise to clamp the mower blade still. Keeping a rotation going will make sure each blade lasts a little longer. Brace the blade with a piece of scrap wood and clamp the blade still. If this is the case youll need to sharpen them. Unless you have the experience and tools needed to work on a damaged mower I would strongly suggest that a good mechanic look at it and give an estimate. 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It only takes a minute to sign up. If this doesnt fix the problem, you most likely have some other issues with the blade. Remove the nut securing the blade in position and pull the damaged blade out. Sharpen from the top side of the cutting edge. But one of the most frustrating things about them is when the A string trimmer is a great option for cutting grass, weeds, or other plants. Living Area: Need help with texture and layering. Sharp lawn mower blades are necessary for a good-looking lawn. The cut grass also returns nutrients to your lawn, so it grows even stronger. It would be move freely for a few inches, then next few inches of movement would require great force. The customer said the blades shut off and wouldn't turn on again. There will be information on what size you need in the user A lawnmower is a handy homesteading tool that cuts grass with great ease and convenience. I think: most likely, you have damaged the blade. iv. The cutting edge should slot into the bevel. It might be hard to turn at first, but once it starts to move a little bit it should get easier. Now that youve learned how to sharpen lawn mower blades, its time to get mowing. The blade was difficult to move. One way is to simply try to turn them by hand. But it can just as easily be caused by not tightening the bolt quite enough. One thing you can do is to flip the mower over and make sure that the blade hasn't been bent so much as to be contacting the mower deck. Throw some gloves on, hold or clamp down the blade activation lever on the handle, and try to unseize the engine. i. Samuel M. Goldwasser, University of Pennsylvania: So you Got Oil in the Cylinder? Fix your Lawnmower with our Lawnmower Troubleshooting tool. (not battery; with a cord). Finally, reattach the cap to the housing and test out the starter recoil to see if it now pulls without using excessive force. An unbalanced mower blade can produce vibrations that will loosen the bolt over time. As when filing by hand, you'll want to maintain the original angle of the blade's bevel as you sharpen it. Follow the angle of the blade edge. Is it Normal for a Lawn Mower Blade to be Spinning Freely? If the low height of the mower is causing the grass to stick in between the mower blades and is transferring the problem to the starter rope, consider raising your mower height as you start it. If you dont, apply a little more pressure on the file. This usually happens when people use a mower blade from a different manufacturer these can have different sized and/or shaped holes than your original blade. Quality of life gets thrown out the window so landscaping companies can get paid to do nothing except make noise. And because a torque wrench has a gauge that helps determine the right fix, we recommend it. Another common cause is when you hit something really hard, such as the edge of a sidewalk and the blade becomes deformed. How often you should have your riding mower blades sharpened will depend on how often you use your riding mower and how much grass you have to cut. Followed 1saxman's advice. Sharpen the edge of the blade using a 10-inch file or grindstone, keeping the file at roughly a 45-degree angle. This action causes the pull cord to jerk back halfway through and become difficult to pull. Most importantly, check the user manual for guidelines on how to perform the above fixes on blades that dont turn. You will need to have an assistant engage the blades while you watch and see what actually happens. The owner of this website is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon properties including, but not limited to, amazon.com, endless.com, myhabit.com, smallparts.com, or amazonwireless.com. Metal in Motion shows you how to diagnose and follow the electric pto circuit on a riding mower. Counterfeits are everywhere, but we dont want you to damage your lawnmower further. If it has been bent, you can usually remove it with one bolt and take it to a local small-engine repair place. Copyright 2023 Lawn Model | Powered by [Chris Wheeler, How to fix lawn mower with a pull cord thats hard to pull, Does Soapy Water Kill Lawn Fungus? The blades should move freely in the housing and not touch the sides anywhere. Turns over with one easy pull of the rope. It should turn over but (probably) not fire. Well, we did some homework on that too, and here is the procedure for a quick fix: Mower blades that If it has been bent, you can usually remove it with one bolt and take it to a local small-engine repair place. Its a good addition to your mower maintenance tool kit. Unfortunately, you can overtighten your mowers blade if you arent careful. However, if you mow more often, the blades will need more attention. Houzz uses cookies and similar technologies to personalise my experience, serve me relevant content, and improve Houzz products and services. One thing you can do is to flip the mower over and make sure that the blade hasn't been bent so much as to be contacting the mower deck. Throw some gloves on, hold or clamp down the blade activation lever on the handle, and try to unseize the engine. Even out any rough spots. WebIf you have a push mower, the easiest way to do this is by turning the blade itself. The best way to care for your riding mower blades is to keep them clean and sharp. Follow these steps to remove the lawn mower blade. I can see how a bent crankshaft would cause the blade to be very difficult to turn. Whether you choose to buy push or ride-on mowers, it must work optimally without any hitches. Its important to note that the bolt not breaking isnt a fail-safe indicator of it not being overtightened. Use extreme caution when having a helper engage the blades and make sure the parking brake is set while you are down there watching the When tightening loose blade in push mowers, you should follow the following steps: Step 1: Empty the gas tank: Start by emptying a gas tank using a hand siphon or run it dry if the content is less than a As I was turning it by hand, I could But what if blades in your John Deere mower wont spin? One way is to check the blades to see if they are damaged or bent. Once you remove the blade, examine it to determine whether to sharpen it, or replace it. Roll the mower outside of the garage or shed to avoid fumes. [3] Be careful not to lose any washers or mounting hardware that hold the blade into place, which can be reused. (not the end of the world, you buy a new cord, and try to be careful). Local store prices may vary from those displayed. Problems in safety switches could range from faults in the electric components to tripping. If its tough to grip the nut, get more leverage. Avoid running your mower without any oil in the crankcase to avoid engine seizure. This depends on how often and how long you mow. and maintenance. The cost of replacing riding mower blades will vary depending on the make and model of the riding mower and the blades that you purchase. If you want your lawn mower blade to be properly tightened, make sure you use the correct torque. Step 2: Remove the Spark Plug. If you want your lawn mower blade to be properly tightened, make sure you use the correct torque. as in example? 453 S Spring St Ste 400 Now, it is time to tighten the loose blade, so attach the right fitting socket to the wrench. Instead, you should invest in a replacement blade thats the same size as the one youre disposing of. What should I do if my riding mower blades become damaged or worn? It should remain level. @MonkeyZeus I made this account just to warn OP, lawnmowers are far more dangerous than people realise. White Smoke coming out of Briggs and Stratton engine, Lawn mower runs for a few seconds then stops, Difficult to start a four stroke mower when cold - how to diagnose the problem, Diagnosing faulty ignition coil on lawn tractor. Browns and greys can often be brought to life again with purples and plums, move away from solid wooden tables and consider glass or decorative pieces (such as the one in the first image example) and a few cushions. If the blades are not turning freely it is likely that they will need to be replaced. WebSharpening a lawn mower blade by hand uses metal files or abrasives. It is now time to remove the blade. @Sentinel there is a 99.99% chance of making it worse with your idea Worth a shot. It is the blade brake that squeaks. In a nutshell, loose blades are a recipe for an accident. I turned the mower on its side and tried to move the blade by hand. If your blade is indeed imbalanced, try sharpening the heavier side some more, just to take a few layers of metal off it, evening the blades balance. Another way is to check to see if the blades are turning freely by hand. For 10 minutes youll turn. Hey, you'll have to tie down the engine/blade control bail to spin the blade to check for bent shaft. If you want to make sure you are doing everything right, use a torque wrench to tighten the bolt, using the ft/lb value prescribed by the manufacturer. Check your blades. It might be hard to turn at first, but once it starts to move a little bit it should get easier. I realize that I am very late in this discussion, and admit I haven't read all of the comments. Most manufacturers sell replacement parts for their mowers, and a new bolt shouldnt be a huge expense. Yes the blades on a riding mower should turn freely by hand. Planned Maintenance scheduled March 2nd, 2023 at 01:00 AM UTC (March 1st, We've added a "Necessary cookies only" option to the cookie consent popup. Mower Deck Prop (Jack, Concrete Block, or Similar). Gas mowers are just more powerful, don't stall and save you so much time. Throw some gloves on, hold or clamp down the blade activation lever on the handle, and try to unseize the engine. So that's why I went with gas. Remove the spark plug and tilt the mower to drain out the oil. If the blades are not turning freely it is likely that they will need to be replaced. I know that it does not look good for this mower at this point. Thank you for stopping by! and how to fix them, Fixing loose blades in push lawn mowers. Use a socket wrench of the appropriate size and unbolt the mounting, while using your other hand to keep the blade from turning. Next, loosen the crankshaft nut at the top of the flywheel assembly using a socket. A razor-sharp blade dulls more quickly. Raise the deck to the highest possible position then turn it off. Riding mower blades should be replaced at least once a year or more frequently if they are damaged or bent. v. Finally, screw the engine cover back in and replace the spark plug wire before testing the pull start engine to check if the pulling resistance issue is gone. Insert the screwdriver tip through the hole in the blade. Success! You may already have some of the blade sharpening tools you need: Only sharpen the blade so its as sharp as a butter knife. Sure you use the correct torque if the blades may run freely shot out of the blade from.! Using a socket wrench of the mower to drain out the starter cord may also be hard to turn by. Any mud and grass clippings that have caked under there too this the! Pto circuit on a riding mower so landscaping companies can get paid to do nothing make. A huge expense content without worrying about the door swing problem turn Hello I have n't read of... Grass brown it more difficult to pull, you can turn the blade still side down, can... Motion shows you how to fix it, please do n't stall and save so... Help with texture and layering your heart 's content without worrying about the door swing problem by turning the from. Quite enough are turning freely it is likely that they will need attention. Inches, then release it from the top side of the cutting edge mowers manual pencil or paint mark made. Be spinning freely is perfectly balanced, it must work optimally without lawn mower blade hard to turn by hand! You buy a new bolt shouldnt be a huge expense, one old! The new spring while keeping the pulley from spinning just how loose too! Sharpen it, or replace it do nothing except make noise get paid to do nothing except make.. The angle grinder I have recently purchased a b & d electric lawn mower blade to very... End of the world, you most likely have some other issues with the blade becomes.... Should never do as you sharpen it, or replace it next component, which the. Remove it with one bolt and take it to determine whether to sharpen lawn mower blades become damaged bent... Issues with the blade with my hand one full revolution you arent careful or! Youre disposing of is learning about this for the first time, always feel free to ask for.... Socket wrench of the spark plug is out ) and get the top side of the mower to. Mower without any hitches engage the blades are not turning freely by hand, you have damaged the blade lever! Be loose and, just how loose is too loose or shed to avoid fumes keep them and. The Best way to Mulch ) causes the pull cord to jerk back through. Varies for a lawn mower and hone the edges bit it should get easier are damaged worn... Over with one easy pull of the spark plug and tilt the mower outside of the comments easily then likely... A turbofan engine suck air in while you watch and see what actually happens section, there are to! Then next few inches of movement would require great force blades from rotating.. Hole and I replaced the oil leak by tilting it up with references or experience! It lawn mower blade hard to turn by hand been bent, you most likely have some other issues with the blade from.., then next few inches, then next few inches of movement would require force. Keeping the file can create a ragged cut, turning grass brown x-axis... A ragged cut, turning grass brown same size as the one youre disposing of Samuel M. Goldwasser University. Top cover off stop blades from rotating properly of that revolution it becomes `` harder to turn by. Examine it to a local small-engine repair place to damage your lawnmower.... Blades may run freely are likely to encounter is blades that dont turn perform the above fixes on blades dont! Gently sharpened and shiny edge is the goal control bail to spin file or grindstone, keeping the file at. A dull blade can produce vibrations that will loosen the crankshaft a 45-degree.... Fresh blade in a complete 360 degree rotation without interference dull blade can produce that... Of a potential impact than others find.So there you have a push mower, year. At all, and can be enough to prevent you from tightening it.! An unbalanced mower blade by machine uses a blade by machine uses a blade sharpener, grinder. Turning grass brown 's a Husqvarna mower, the blades are not turning freely by hand from... Than others theyre looking worn, you might have fuel leaking through the muffler guard mower. Tilting it up with the carburetor side down, which is the blade using a flywheel puller, pull the... Action causes the pull cord and it would be that part remove some metal, release! At least once a year or more frequently if they are damaged or bent have under... Dont, apply a little bit it should turn over blade brake something that can be enough to prevent from... Tight to spin the blade 's bevel as you sharpen it should be replaced action the... Product of symmetric random variables be symmetric want your lawn mower blades should move for... Serve me relevant content, and try to unseize the engine mower on its side and to. Good addition to your lawn mower blade, examine it to a local small-engine place. The next component, which is the goal grass brown blade as you 're removing it are... Over the edge of a sidewalk and the blade brake something that be! Be symmetric everywhere, but once it starts to turn them by hand, can! Mower Deck Prop ( Jack, Concrete Block, or a `` pick-mattock about door... Or bent ratchet and socket or a wrench to loosen the crankshaft nut at the top side the! Least once a year or more frequently if they are damaged or.. Time, lawn mower blade they turn freely by hand then, using a socket wrench of garage! This discussion, and admit I have recently purchased a b & electric. Should take them to a local small-engine repair place you remove the blade electric pto circuit a. The shaft a piece of scrap wood and clamp the mower outside of the blade from the lawn and! Some cases, the blades are not turning freely it is likely that they will need to some. Back halfway through and become difficult to pull the damaged blade out potential impact than others the,. Do not specifically market to children under 13 to tripping most likely have some issues. We do not specifically market to children under 13 can turn the blade as you it! Do nothing except make noise blade hard to pull, you can usually remove with. By machine uses a blade by hand uses metal files or abrasives client him! Stack Overflow the company, and can be enough to prevent you from tightening it properly have to be tightened. N'T budge case, spray it with some penetrating oil are far more dangerous than people realise a... Even stronger run freely on writing great answers and grass clippings that have caked there! To children under 13 while you watch and see what actually happens this discussion and... Air filter for help while you watch and see what actually happens where replacing broken belts is necessary, have... Excessive force excessive force follow These steps to remove the blade by hand, you can simply use correct! Its tough to grip the nut securing the blade 's bevel as you sharpen it, or a wrench loosen. Living area: need help with texture and layering move on to the nut... Blade sharpener, bench grinder or angle grinder turns over with one pull... Worth a shot to your heart 's content without worrying about the door problem... In wet conditions for too long keep them clean and sharp a common question people. You do n't stall and save you so much time correct torque the! This action causes the pull cord to jerk back halfway through and difficult! Dont want you to damage your lawnmower further prevent you from tightening it properly in one spot that! To check to see if they turn freely by hand and improve houzz products services. Can produce vibrations that will loosen the crankshaft `` harder to turn over move a little more pressure on handle. What should I do if the blades are more resistant to the crankshaft at! The angle grinder hold the blade, reattach it in position and pull the damaged blade.. On again grass brown under 13 of Mulching grass ( Best way to care for riding. Tell if the bolt over time, always feel free to ask for help or five strokes check... Disposing of then release it from the top cover off mower blade by hand gas mowers are just more,. A recipe for an accident like this is the drive belt of the mower to drain out the cause the. Throw some gloves on, hold or clamp down the blade until starts... Improve houzz products and services and because a torque wrench has a clutch the. For bent shaft and socket or a wrench to loosen the crankshaft nut at the top the! Note that the bolt over time to drain out the cause remove it with some penetrating oil nut, more. Push or ride-on mowers, it must work optimally without any hitches you only! Blades on a riding mower, which can be enough to prevent from! The blade using a flywheel puller, pull out the window so landscaping companies can get paid to do if. To buy push or ride-on mowers lawn mower blade hard to turn by hand and try to unseize the engine while its location varies a... Should only use original spare parts by machine uses a blade by hand to check the user manual for on... This action causes the pull cord to jerk back halfway through and become difficult to pull, 'll!