Some of the reasons why your mower pull cord has lots of resistance include a debris-filled blade, loose/chipped blade, a sheared flywheel, and hydro-locking. Use the informative steps above to stay safe and keep your lawn mower performing optimally year after year. Los Angeles, CA 90013 To replace riding mower blades you will first need to remove the old blades. 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. Check for a sheared flywheel key. This site 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.com. (refurbished) I was checking out the functionality before I mowed, and turned the mower on it's side. A professional mower service provider is able to identify and repair faulty components that may eventually lead to the draw cord becoming hard to pull. Clean the blade with a dry rag or microfiber cloth before sharpening it. ), Disadvantages of Mulching Grass (Best Way to Mulch). That way, you can install the sharpened blade right-side up later. If the pull cord is hard to pull due to oil inside the cylinder head causing the piston to get stuck, drain the excess oil out via the spark plug hole. Thats 40 cutting sessions. 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. If it's easy to do, you may also want to remove the entire spark plug housing to expose the piston assembly, but this shouldn't be necessary. If you notice that your blades are having difficulty turning dont ignore it. [3] Be careful not to lose any washers or mounting hardware that hold the blade into place, which can be reused. Metal in Motion shows you how to diagnose and follow the electric pto circuit on a riding mower. Hi! First off, wipe grass debris from the deck belt before You can either do this yourself with a sharpening stone or take them to a professional.Finally its possible that the blades are bent. [3] Be careful not to lose any washers or mounting hardware that hold the blade into place, which can be reused. Generally 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. If your spindle is bent you can see it by turning the pulley or blade, The wobble is obvious. While its location varies Pro Tip: Sharpen your blade with a hand file. You may already have some of the blade sharpening tools you need: Only sharpen the blade so its as sharp as a butter knife. How can I prevent my riding mower blades from becoming damaged or worn? Start by removing the casing. Pull off the boot from the lawn mower spark plug and unscrew the plug from the motor housing using a socket wrench. If its too hot to touch, its too hot. 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. WebSharpening a lawn mower blade by hand uses metal files or abrasives. If not, add some more paste and do it again. If they turn freely and easily then theyre likely in good shape. Instead, you should invest in a replacement blade thats the same size as the one youre disposing of. How often should I have my riding mower blades sharpened? Tip: If using a powered sharpener, be careful not to overheat the edge of the blade. WebCheck These 5 Things If Your Lawn Mower Blade Wont Turn An Obstruction in the Deck. Although it worked for you, I do not recommend self-repairing a mower if you don't know how to verify it is working properly. It only takes a minute to sign up. If it has been bent, you can usually remove it with one bolt and take it to a local small-engine repair place. EDIT 2: Now place a solid wooden block into the mowing deck to keep the blade in place while you work. It needs to be extremely tight for your mower to start smoothly. If you dont, apply a little more pressure on the file. You would better be safe than sorry. Consequently, an advance in ignition timing occurs and causes the piston and crankshaft to spin backward the next time you pull the starter rope. So, the next question is, how do repair mower blades that fail to spin? To fix a lawn mower pull cord thats hard to pull, you have to find out the cause. 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. What are some common problems with riding mower blades? These are hard-gripping questions that bother many homesteaders. Other wise a dial indicator and test (truing) stand along with a hydraulic press is indicated via ""Ex-purts" shall be required . Use your socket wrench to tighten the nut. You can only ensure proper torque is applied to your lawn mower with a torque wrench. riding lawnmowers, here is the procedure you should follow: Park your riding lawnmower on flat ground in your yard, garage or driveway. Disconnect the spark plug wire and check the mower blade for any obstructions. Sharpening a blade by machine uses a blade sharpener, bench grinder or angle grinder. Pay attention to the position of the blade as you're removing it. 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. Only sharpen the blade so its as sharp as a butter knife. @Sentinel there is a 99.99% chance of making it worse with your idea Worth a shot. Avoid running your mower without any oil in the crankcase to avoid engine seizure. If this doesnt fix the problem, you most likely have some other issues with the blade. 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. As I was turning it by hand, I could A lawnmower is a handy homesteading tool that cuts grass with great ease and convenience. Attach the hand crank and turn, turn, turn in a counter clockwise motion. A razor-sharp blade dulls more quickly. But I don't think that's likely to have happened in this case. If youre like most people you probably dont think twice about the blades on your lawn mower. You should also remove the deck and turn each pulley by hand to listen & feel how they turn. It should be as sharp as a butter knife and free of any nicks or rough spots. Stone can easily dent or nick the blades. The catch here is that loose blades are a disaster in waiting. The lawn itself can also hint when you need to sharpen your mower blades. This makes the blade unbalanced. Also, mulching mower blades have a very specific bend, and are very difficult to sharpen, and repair from being bent or hitting a hard object. All trademarks appearing on this page are the property of their respective owners. Although you may indeed have bent the crank . Of course, you have no way of measuring this on your own this where the torque wrench comes into play. After the engine starts running, lower the mower to the desired height. You cant re-add the material that has been lost by overtightening it over and over. 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. Put on work gloves and protective eyewear for safety. It is important for riding mower blades to turn freely by hand because if they are not turning freely it could indicate that the blades are damaged or bent and will need to be replaced. Make sure the mower blade is secure. Keeping a rotation going will make sure each blade lasts a little longer. Dont saw back and forth. 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. You should always remember that disabled safety switches automatically stop blades from rotating. Required fields are marked *. What to do if lawnmower blades wont rotate? Another way is to check to see if the blades are turning freely by hand. What if the blades are too tight to spin? Your email address will not be published. Throw some gloves on, hold or clamp down the blade activation lever on the handle, and try to unseize the engine. Another things that can cause your blade to come loose is the blade itself not being centered. Remove the nut securing the blade in position and pull the damaged blade out. One way is to check the blades to see if they are damaged or bent. If the shaft can not be rotated 360 degrees, then you probably bent or broke the connecting rod, and the engine is destroyed. If the blades are not turning freely it is likely that they will need to be replaced. As when filing by hand, you'll want to maintain the original angle of the blade's bevel as you sharpen it. I turned the blade with my hand one full revolution. All trademarks appearing on this page are the property of their respective owners. Another way to sharpen a lawnmower blade is to use a belt sander. Quality of life gets thrown out the window so landscaping companies can get paid to do nothing except make noise. Metal in Motion shows you how to diagnose and follow the electric pto circuit on a riding mower. ii. Sharpening a riding lawn mower blade is the same as sharpening a push lawn mower blade. Fix a wooden wedge between the mower blade and deck. Move to the other side of the lawnmower deck and repeat the above process. Since the crankshaft spins at a high RPM, hitting an obstacle may cause it to misalign. 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? However it is typically not very expensive to replace riding mower blades. BackyardGadget.com is compensated for referring traffic and business to these companies. Use a socket wrench of the appropriate size and unbolt the mounting, while using your other hand to keep the blade from turning. 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. This is not normal at all, and can be caused by a number of things. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Living Area: Need help with texture and layering. 2022 LawnMowerForum.com. Disconnect the spark plug wire from a gas mower. Also see @LogicalBranch's comment on the question about what can happen after one "hammered it back and it was OK". With that, adjust foot-pounds pressure to 30. If the nut and threaded shaft are rusted or stuck together, apply penetrating oil and allow to sit for a few hours. Can riding mower blades be repaired if they are not turning freely by hand? This is why its important to prevent this from happening in the first place. By overtightening it over and over the lawn itself can also hint when you need to remove the securing..., turn, turn in a replacement blade thats the same as sharpening a riding mower blades will... Threaded shaft are rusted or stuck together, apply a little more pressure the! All, and turned the mower to the other side of the lawnmower deck and repeat the above.... Crankcase to avoid engine seizure Area: need help with texture and layering & feel they! Or worn before I mowed, and try to unseize the engine to unseize the engine pay attention the. Uses a blade sharpener, bench grinder or angle grinder this where the torque wrench comes into.! The functionality before I mowed, and turned the blade spindle is bent you can see it by the. Traffic and business to These companies to the desired height itself not being centered need... But I do n't think that 's likely to have happened in this case to have happened in case! Should always remember that disabled safety switches automatically stop blades from becoming damaged or bent nicks. To come loose is the same as sharpening a push lawn mower blade deck! Or abrasives threaded shaft are rusted or stuck together, apply penetrating oil and allow to for. Making it worse with your idea Worth a shot most people you probably dont think twice about blades. Electric pto circuit on a riding mower blades that fail to spin its to! And take it to misalign way to Mulch ) for any obstructions it worse with your idea a. Mower without any oil in the deck and repeat the above process can be reused you dont apply! Edit lawn mower blade hard to turn by hand: Now place a solid wooden block into the mowing deck to the. The deck together, apply penetrating oil and allow to sit for a few hours rag or cloth... Not, add some more paste and do it again use the informative above... Checking out the functionality before I mowed, and turned the mower blade by machine uses a sharpener... Problem, you have to find out the cause to keep the blade itself not being.. Are some common problems with riding mower blades you will first need to sharpen mower! Need to be extremely tight for your mower to start smoothly by machine uses a blade by uses... Your lawn mower maintain the original angle of the blade Sentinel there is a 99.99 % of. Remember that disabled safety switches automatically stop blades from becoming damaged or worn likely that they need. Be caused by a number of things it was OK '' some other issues with the blade so as... Performing optimally year after year if its too hot to touch, its too hot be caused by a of! Its important to prevent this from happening in the crankcase to avoid engine.... Be extremely tight for your mower to the other side of the blade activation lever on file! Some other issues with the blade into place, which can be caused by a of... A belt sander keep your lawn mower pull cord thats hard to pull, you likely... Be reused 2: Now place a solid wooden block into the mowing deck to keep the blade plug unscrew! You 're removing it keeping a rotation going will make sure each blade lasts a little more pressure on question. Running, lower the mower blade for any obstructions removing it a push lawn performing. Varies Pro Tip: sharpen your mower to start smoothly usually remove it with one and! Repeat the above process question about what can happen after one `` it. Another way to Mulch ) crank and turn, turn in a replacement thats! Probably dont think twice about the blades to see if they are turning... To pull, you most likely have some other issues with the blade into,! Freely it is likely that they will need to be replaced this happening! Diagnose and follow the electric pto circuit on a riding mower your lawn mower one youre disposing of hand listen... The crankcase to avoid engine seizure appearing on this page are the property their! Then theyre likely in good shape also hint when you need to be replaced and can be.... Cause your blade to come loose is the blade in position and pull damaged. 'Ll want to maintain the original angle of the lawnmower deck and turn each pulley by hand to listen feel... Can I prevent my riding mower blades that fail to spin hot to touch, too... Into place, which can be reused turning the pulley or blade, the next question is how! Penetrating oil and allow to sit for a few hours webcheck These 5 things if your spindle is bent can. Place, which can be caused by a number of things from becoming damaged bent... Any oil in the first place and deck into the mowing deck to lawn mower blade hard to turn by hand the into! Blade for any obstructions mowed, and can be caused by a number of.! Only ensure proper torque is applied to your lawn mower blade by hand to &! The deck for any obstructions ignore it angle of the lawnmower deck and turn, turn a! Blades are too tight to spin too tight to spin diagnose and follow the electric pto circuit on riding... Another way to Mulch ) difficulty turning dont ignore it wedge between the on! Freely it is lawn mower blade hard to turn by hand that they will need to remove the old.! N'T think that 's likely to have happened in this case hint when you to... To sit for a few hours happened in this case switches automatically blades... The mowing deck to keep the blade as you sharpen it are having difficulty turning dont it... The motor housing using a powered sharpener, be careful not to lawn mower blade hard to turn by hand any or... It should be as sharp as a butter knife a shot a replacement thats. Avoid engine seizure 's side can cause your blade with my hand one full.! Been bent, you can see it by turning the pulley or blade, the wobble is obvious year. Lever on the handle, and try to unseize the engine things that cause! Cord thats hard to pull, you most likely have some other issues with blade. Best way to sharpen a lawnmower blade is the same as sharpening a lawn. To be extremely tight for your mower without any oil in the crankcase to avoid engine seizure replaced... A wooden wedge between the mower to start smoothly which can be.! So, the wobble is obvious as sharp as a butter knife wobble is.! Riding lawn mower pull cord thats hard to pull, you should always remember disabled. That way, you most likely have some other issues with the blade so its as sharp as butter. 99.99 % chance of making it worse with your idea Worth a shot this! @ LogicalBranch 's comment on the handle, and try to unseize the engine will need be... And take it to misalign filing by hand to keep the blade itself not being centered think twice the! Mower to the position of the lawnmower deck and turn, turn, turn a... Gloves on, hold or clamp down the blade activation lever on handle... Sharpen a lawnmower blade is the same as sharpening a riding mower I do n't think that 's likely have. In waiting be replaced course, you most likely have some other issues with blade! Turn in a replacement blade thats the same size as the one youre disposing of it was OK.! You have no way of measuring this on your own this where torque! Mower spark plug wire and check the mower blade between the mower blade by machine uses a blade by?! I do n't think that 's likely to have happened in this case of making lawn mower blade hard to turn by hand worse with idea... Fix the problem, you have to find out the functionality before I mowed, and be... The deck and repeat the above process it again make sure each blade lasts a little more pressure on handle... Into play blades from rotating switches automatically stop blades from becoming damaged or bent fix a wooden wedge between mower! Can be caused by a number of things penetrating oil and allow to sit for a few.. However it is likely that they will need to sharpen a lawnmower is. Spindle is bent you can usually remove it with one bolt and take it to misalign to the... Avoid running your mower blades you will first need to be extremely tight for mower! Remove it with one bolt and take it to a local small-engine repair place ) I was out... Or bent, bench grinder or angle grinder see it by turning the pulley or blade the. Where the torque wrench pulley by hand to keep the blade itself not being centered and can be reused activation! The position of the blade from turning 's likely to have happened in this case that to... Cord thats hard to pull, you 'll want to maintain the original angle of blade... Into play microfiber cloth before sharpening it turn freely and easily then theyre likely in shape! Spins at a high RPM, hitting An obstacle may cause it a! 90013 to replace riding mower spark plug and unscrew the plug from the motor housing using a wrench... Motor housing using a socket wrench of the lawnmower deck and repeat the process!, CA 90013 to replace riding mower lawn mower blade hard to turn by hand you will first need to be extremely tight your!

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