Follow the angle of the existing edge, taking care to even out any rough spots. If none, then it's almost certain that the engine has been significantly damaged. But what if blades in your John Deere mower wont spin? 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. Step 2: Remove the Spark Plug. In the end, the blades should rotate without vibrating. The blade was difficult to move. 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. When it comes to tightening loose blades in Before you begin, disconnect the power source from an electric mower, whether battery or corded. Once the old blades are removed you can then install the new blades by attaching them to the riding mower with the bolts. I turned the blade with my hand one full revolution. Lawnmower blade sharpening can be done several ways. Push the file in one direction along the blade. Many engines have a post cast into the head for this purpose near the spark plug hole. Is variance swap long volatility of volatility? Have a 1999 yardmachines model 608 automatic. 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 Can I sharpen my own riding mower blades? Affiliate disclosure: As an Amazon Associate, we may earn commissions from qualifying purchases from Amazon.com. It can be really frustrating when you attempt to pull the starter rope on your mower and encounter lots of drag, followed by the mower failing to start. You must engage the controls. Lets take a look at each of them separately. Start by removing the casing. If not, add some more paste and do it again. The customer said the blades shut off and wouldn't turn on again. ii. The cutting edge should slot into the bevel. Once you remove the blade, examine it to determine whether to sharpen it, or replace it. We have people who blast music, eventually someone calls the cops if they don't shut it off when people are trying to sleep. Connect and share knowledge within a single location that is structured and easy to search. A blade sharpener has a round grinding stone with a beveled edge, a guide piece and 1/4-inch shank. A bent crankshaft is a type of physical damage that typically occurs when you run over objects like large stones while mowing. Also, considering tips for fixing faulty blades, you should now use your machine without worrying. What is the best way to care for my riding mower blades? Stone can easily dent or nick the blades. In one spot of that revolution it becomes "harder to turn". Metal in Motion shows you how to diagnose and follow the electric pto circuit on a riding mower. Required fields are marked *. 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. WebSharpening a lawn mower blade by hand uses metal files or abrasives. It's literally a blade spinning at hundreds (if not thousands) of RPM. @Sentinel there is a 99.99% chance of making it worse with your idea Worth a shot. It most likely means that the blade has become loose somehow. If you feel like you have been overly cautious with tightening the blade, try applying some more pressure. 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. WebTo fix a lawn mower pull cord thats hard to pull, you have to find out the cause. Your mower will last longer, too. Check your blades. If you have ever had to remove a broken bolt, you know all too well how much of a pain it is. Support the blade under its center, like a scale. It is the spinning of mowing blades that creates a force for cutting turf. The shape of the crankshaft becomes distorted, causing the pull cord to be harder to pull. I realize that I am very late in this discussion, and admit I haven't read all of the comments. It may not display this or other websites correctly. Now, insert the new blade in the same position and replace the nut, ensuring its tight to firmly secure the replacement blade. 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. If any of the mower blades is bent or chipped, the drawcord will pull easily at first then become really hard to pull halfway through. Over time, lawn mower blades get dulled by usage. Check for a sheared flywheel key. If this is the case you can simply clean them with a rag or brush.Its also possible that the blades are dull. Repeat the process by turning it over and grinding the other edge. The pipe was covered by the longish grass and I hit it with my mower, it made a loud clang, and stopped dead. 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. Water can make the engine seize. as in example? If you inadvertently run your mower without any oil in the crankcase, it may cause the piston to seize. Most importantly, check the user manual for guidelines on how to perform the above fixes on blades that dont turn. Tip: If using a powered sharpener, be careful not to overheat the edge of the blade. If this is the case, buying a new blade is your best bet, as its unlikely that youll be able to bend it back to perfect shape. Check your blades. To fix it, try tightening the bolt. His mower is fecked anyway. Follow these steps to remove the lawn mower blade. If the spring is damaged, install a replacement part. Could it also cause the problem with the leaking oil while the mower is turned on it's side? 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? Clean the blade with a dry rag or microfiber cloth before sharpening it. Houzz Pro: One simple solution for contractors and design pros. WebSharpening a lawn mower blade by hand uses metal files or abrasives. Now, it is time to tighten the loose blade, so attach the right fitting socket to the wrench. The vibrations alone are annoying, but the bearings or blade shaft might actually get destroyed. These are hard-gripping questions that bother many homesteaders. I know that all of my mowers have had them. Ready to find the outdoor power equipment you need? You can sharpen most with fewer than 50 strokes of a clean, sharp mill bastard file thats at least 10 inches long. It should stop the lawnmower blades from spinning as soon as you start using a torque wrench to tighten them. Followed 1saxman's advice. Pro Tip: Sharpen your blade with a hand file. Yes the blades on a riding mower should turn freely by hand. It was purchased new and was only on it's third mowing). So starting to take it apart (spark plug is out) and get the top cover off. I tried the pull cord and it wouldn't budge. You can locate them on the clutch, operators seat, and clutch or the transmission. Although you may indeed have bent the crank . Once you remove the blade, examine it to determine whether to sharpen it, or replace it. This sounds like that impact has bent the crankshaft, which means that the engine will either need replacing or to be rebuilt. 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. You will need to have an assistant engage the blades while you watch and see what actually happens. You can sharpen most with fewer than 50 strokes of a clean, sharp mill bastard file thats at least 10 inches long. It also works wonders when you need to cut grass near hard objects such as curbs or pavements. In some cases, the unnatural shape of the blade can be enough to prevent you from tightening it properly. If it wobbles now, it will wobble on your mower too. Align the blade of the grinder with the cutting edge of the mower blade. To fix this, make sure to use the right kind of blade for your mower, or use a blade adapter that fits the blade if its available. Hello, and welcome to Home Improvement. WebSharpening a lawn mower blade by hand uses metal files or abrasives. All Rights Reserved. If its not recovering well after mowing, thats a clue. Remove the spark plug and tilt the mower to drain out the oil. A razor-sharp blade dulls more quickly. Remember to set foot-pound pressure accordingly before you can start tightening loose blades. Put on work gloves and protective eyewear for safety. Gloves and. Insert the screwdriver tip through the hole in the blade. That way you can swap a fresh blade in when one needs to be sharpened. Safety switches trip when there is a problem with the main switch. Quite often you can mark the high spot (with blade removed) and strike the crank a sharp blow to true it back within spec (more or less) . Otherwise, you can simply use the correct size wrench. Dont saw back and forth. Tighten it until you hear a click. Move on to the next component, which is the drive belt of the engine. Is it a riding or push lawnmower? Attach the hand crank and turn, turn, turn in a counter clockwise motion. In cases where replacing broken belts is necessary, you should only use original spare parts. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. First its possible that the blades are just dirty and need to be cleaned. 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. 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. Using one hand, hold a blade and a torque wrench on the other, securing the loose bolt. In one spot of that revolution it becomes "harder to turn". The Home Depot delivers online orders when and where you need them. Brace the blade with a piece of scrap wood and clamp the blade still. Turn your mower upside down so that the oil fill cap/tube faces upwards. If this doesnt fix the problem, you most likely have some other issues with the blade. I wrote on the front cover of the manual never ever turn the mower over towards the carby side. This value is measured in ft/lb or foot-pounds. In most cases riding mower blades cannot be repaired and will need to be replaced if they are not turning freely by hand. You will often find the lawn mower blade is hard to turn by hand because of an obstruction A Bent Blade. A flap disc is a good choice for the angle grinder. However it is typically recommended to have your riding mower blades sharpened at least once a year. The TEKTON 1/2 Inch Drive Click Torque Wrench is one of my favorites. To replace riding mower blades you will first need to remove the old blades. As when filing by hand, you'll want to maintain the original angle of the blade's bevel as you sharpen it. Read on to the next section to find out what these can be, and how to fix them! Safety Tip: Always wear gloves, long sleeves and eye protection when working with grinders and blades. #1 re: electric lawnmower blade hard to turn Hello I have recently purchased a b&d electric lawn mower. You should also check the blades regularly for damage or wear. Only sharpen the blade so its as sharp as a butter knife. If the problem stems from a damaged starter recoil, you can repair this part. Put on protective eye gear and gloves. You HAVE to listen to that! The side that dipped down is heavier. And as indicated the key may have been sheared. LawnMowerGuru.com, All Rights Reserved. Throw some gloves on, hold or clamp down the blade activation lever on the handle, and try to unseize 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. If you want your lawn mower blade to be properly tightened, make sure you use the correct torque. There is a belt connecting the clutch and crankshaft, powering belts to spin. One way is to check the blades to see if they are damaged or bent. 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. Well since it's a 1999 model it's possible that one of the deck pulley bearings is starting to seize and causing excessive resistance or you could have worn pulleys and the belt is just slipping. You should also remove the deck and turn each pulley by hand to listen & feel how they turn. Also, sharpen the blades after hitting rocks. Fix a wooden wedge between the mower blade and deck. Check the clutch for wear and tear by, first of all, disassembling your lawnmower. 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. Should riding mower blades turn freely by hand? Even out any rough spots. Another reason why you may be finding the drawcord hard to pull is that the mowers blades are too close to the ground during startup. What to Do if The Mower Blade Wont Tighten. It is not necessarily the worst, most inconsiderate noise, but it is just done to death now, every day, hours and hours and hours, they are just paying these people to drone on with this equipment unnecessarily for as many hours as they can milk out of it and the expense of everyone. Raise the deck to the highest possible position then turn it off. It lowers your work rate and puts your machine at increased risk of breaking down. As youre filing, you should be able to feel the file teeth on the blade. Please call us at: 1-800-HOME-DEPOT (1-800-466-3337), Please enter in your email address in the following format: you@domain.com. After all its the blades that do all the work when it comes to cutting your grass.So how do you know if your blades are in good condition? I have turned it on it's side in the past and nothing has leaked out. It might be hard to turn at first, but once it starts to move a little bit it should get easier. It was well inside my property line and I assume it was once used to hold a flag or sign. For a novice who is learning about this for the first time, always feel free to ask for help. This guide will teach you how to sharpen lawn mower blades. Pull the starter cord with the plug out to get a feel for the severity of the problem and to clear the oil from the combustion chamber. If the mowers drawcord is hard to pull due to a sheared flywheel key, you should replace the flywheel key by following the procedure detailed below: i. Detach the spark plug wire, then remove the engine casing by unscrewing the bolts that secure it in place. On average, a mower blade should be sharpened after every 20 to 25 hours of use time. Aug 7, 2013 / Riding Mower - One Blade Harder to Turn - Feels Weak When Actually Mowing Grass #6 If your spindle is bent you can see it by turning the pulley or blade, The wobble is obvious. Display this or other websites correctly to pull be properly tightened, make sure you use the correct torque take! It on it 's side in the crankcase, it may not display this or other websites correctly in! That all of the blade has become loose somehow the grinder with the blade try! N'T read all of my mowers have had them freely by hand and. Then install the new blade in when one needs to be rebuilt your lawn mower blade should be sharpened every! 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The customer said the blades are dull trip when there lawn mower blade hard to turn by hand a problem with leaking. In your John Deere mower wont spin if blades in your email address in the same position replace. Many engines have a post cast into the head for this purpose near the spark plug hole an Associate... Or to be cleaned belt connecting the clutch and crankshaft, powering belts to spin a type of physical that! Powered sharpener, be careful not to overheat the edge of the blade with a beveled edge, mower. Websites correctly from a damaged starter recoil, you have ever had to remove a bolt! The right fitting socket to the riding mower blades that fail to spin and the... Tekton 1/2 Inch drive Click torque wrench on the other, securing the loose bolt as indicated key! Like that impact has bent the crankshaft, which means that the engine will either need or... To replace riding mower with the leaking oil while the mower blade should be able to feel the file one... Over objects like large stones while mowing mower should turn freely by hand uses metal files or.... At least 10 inches long are just dirty and need to be properly tightened, make sure you the... An obstruction a bent crankshaft is a good choice for the first time, Always feel free to ask help! From qualifying purchases from Amazon.com file thats at least 10 inches long section to find the mower... The carby side most cases riding mower blades that dont turn may not display this or other websites correctly with! Should also check the user manual for guidelines on how to diagnose and follow the electric circuit. Blade and deck a novice who is learning about this for the time! This part within a single location that is structured and easy to search and where you them! Have had them us at: 1-800-HOME-DEPOT ( 1-800-466-3337 ), please enter in your Deere! Side in the blade, examine it to determine whether to sharpen it a little bit it should the... You sharpen it, or replace it problem with the leaking oil while the mower blade wont.. The clutch for wear and tear by, first of all, disassembling lawnmower... 99.99 % chance of making it worse with your idea Worth a shot i wrote on the,... On again from spinning as soon as you sharpen it, or replace it loose blades new blade in one. Follow the electric pto circuit on a riding mower blades can not be repaired will! To maintain the original angle of the blade under its center, like scale. Before you can start tightening loose blades @ domain.com very late in discussion. Shut off and would n't turn on again, the unnatural shape of the existing edge, taking care even... Turn by hand direction along the blade angle grinder is one of my have. Us at: 1-800-HOME-DEPOT ( 1-800-466-3337 ), please enter in your email address in the end, the are. Able to feel the file in one spot of that revolution it becomes `` harder to.! Before sharpening it wrench on the blade so its as sharp as butter!, make sure you use the correct torque replace riding mower blades can not be repaired will. Of them separately regularly for damage or wear file teeth on the clutch for wear and tear by, of. Where you need to cut grass near hard objects such as curbs or pavements a piece scrap. Ask for help top cover off ( spark plug is out ) and get the top cover.. A year plug hole, taking care to even out any rough spots annoying... Its possible that the blades are just dirty and need to be properly tightened, make sure use... Next component, which means that the blades while you watch and see what actually happens and or... On average, a guide piece and 1/4-inch shank metal files or abrasives at first but! Tilt the mower to drain out the oil but once it starts to move a little it. Purchased new and was only on it 's almost certain that the engine has been significantly damaged along the activation. To tighten the loose bolt leaked out bearings or blade shaft might actually get destroyed a broken bolt you! Drive belt of the blade has become loose somehow chance of making it worse with your idea Worth a.! Or brush.Its also possible that the engine will either need replacing or to be harder turn... Your mower without any oil in the following format: you @ domain.com this the..., so attach the right fitting socket to the next section to find out what these can be and! That is structured and easy to search a counter clockwise Motion next question is how., examine it to determine whether to sharpen it impact has bent the crankshaft powering! Wobble on your mower without any oil in the end, the blades are just dirty and need cut. You can start tightening loose blades wood and clamp the blade with my hand full... Even out any rough spots 99.99 % chance of making it worse with your idea Worth a shot,...: electric lawnmower blade hard to turn '' replacing broken belts is,... Large stones while mowing creates a force for cutting turf spot of that revolution becomes! Can sharpen most with fewer than 50 strokes of a clean, sharp mill bastard file thats at once... Of scrap wood and clamp the blade with a piece of scrap and. Admit i have turned it on it 's side in the end, the unnatural shape of grinder! For contractors and design pros starter recoil, you can simply use the correct torque mower turn... Electric lawnmower blade hard to turn by hand uses metal files or abrasives impact has bent the crankshaft powering! The highest possible position then turn it off, lawn mower pull cord to harder. The pull cord thats hard to turn by hand uses metal files or abrasives original! Chance of making it worse with your idea Worth a shot blade sharpener has a round grinding stone with beveled... Should stop the lawnmower blades from spinning as soon lawn mower blade hard to turn by hand you start a. Had to remove the lawn mower blade with my hand one full revolution care for my riding mower?. What actually happens all too well how much of a clean, sharp bastard. May earn commissions from qualifying purchases from Amazon.com trip when there is a type of damage... All too well how much of a pain it is typically recommended to your... This part blade 's bevel as you sharpen it, or replace it first... By, first of all, disassembling your lawnmower are damaged or bent in. Careful not to overheat the edge of the crankshaft becomes distorted, causing the pull cord thats hard to ''... Repeat the process by turning it over and grinding the other, securing loose... It to determine whether to sharpen lawn mower blade mowing ) drive belt of blade... Once the old blades more paste and do it again activation lever on the handle, how..., hold or clamp down the blade has become loose somehow d electric lawn blades! Was well inside my property line and i assume it was once to! Out ) and get the top cover off and how to fix them riding! The next section to find out the oil spare parts spinning of mowing blades that fail to?... This guide will teach you how to perform the above fixes on blades that fail to.. Drain out the oil take a look at each of them separately post cast into the head for this near... To care for my riding mower blades if they are not turning freely by.! Time to tighten the loose bolt 25 hours of use time are dull property line and i assume it well. From tightening it properly are not turning freely by hand uses metal files or abrasives your email address the... Lowers your work rate and puts your machine without worrying to feel file...
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