Maybe the belt-tensioner is not working properly. Instead, the connector rod is held in place by a return spring and maintains the plunger in the disengaged state. First, check to make sure the blades are properly engaged. What did the Treaty of Greenville help us secure? These cookies ensure basic functionalities and security features of the website, anonymously. Once the plate is removed, position the mower so that you can access the crank. Youll also want to use an antiblocking agent, such as WD- 40, on the blade and the pulleys to ensure proper operation. Then, youll need to insert the PTO shaft into the transmissions PTO housing, making sure that the drive splines are fully inserted. To safely remove the blade from your Briggs and Stratton lawn mower, be sure to wear proper protective gear like long sleeves, eye protection, and gloves prior to starting the process. You need to disconnect the spark plug if you want to avoid any unwanted accidents. Disclaimer | Terms & Conditions | Privacy Policy | About Us | Contact Us, John Deere belt to keep falling off the mower deck here, 5 Things That Are Draining the Life of Your Lawn Mower Battery, Common John Deere Lawn Mower Problems and Solutions. If you have a hydraulic PTO, start by disconnecting the hydraulic lines. You will find a tensioner arm and spring used to hold the idler pulleys inline. Once your PTO unit has been purchased, you will then need to connect it to the transmission. Once the blade is elevated, engage the parking brake and turn the mower off. Common solutions for: My Riding Lawn Mower Blades Won't Engage 01 - Lawn Mower PTO Clutch The PTO (Power Take Off) clutch provides a means of manually disconnecting the engine from the blades. It just won't gain RPMs and runs rich. This cookie is set by GDPR Cookie Consent plugin. Could be a needle and seat or float. This usually requires more torque for a secure installation, so you need a torque wrench to ensure that the blades are properly secured. In addition to a worn belt, look for a stretched belt, bad pulley, worn tensioner arm, or missing spring. Finally, there could be an issue with the PTO safety switch, which can cause the PTO to not engage. Safety switches are put in place to add protection for the operator. Core fees average $20. John Deere LT155 Hydrostatic Transmission Problems Step One: Park the Mower. Advertisement. You should inspect the blade for any wear and tear once it is removed from the mower. Release the plunger and attachment lift lever. Additionally, what category is a John Deere 1025r? if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,50],'remodelormove_com-box-3','ezslot_6',173,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-box-3-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,50],'remodelormove_com-box-3','ezslot_7',173,'0','1'])};__ez_fad_position('div-gpt-ad-remodelormove_com-box-3-0_1');.box-3-multi-173{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:7px!important;margin-left:auto!important;margin-right:auto!important;margin-top:7px!important;max-width:100%!important;min-height:50px;padding:0;text-align:center!important}Then, make sure that the PTO clutch and blades are properly engaged. However, this frequency may vary depending on several factors such as the type of lawn you are mowing, the quality of your mower, and how often you use your mower. An integral safety interlock. Transmission is in reverse. How do you engage the blades on a riding lawn mower? This post may include affiliate links. You should also inspect the crankshaft at this time to make sure it is not damaged, as this could cause an unsafe lawn mowing experience. Another potential issue could be a problem with the splines on the PTO shaft, which can be caused by the gears becoming stripped or worn. 2) Push the frame of the tractor by hand until the tractor is level. Start with two amps and work up to no more than 10 amps. It could be as simple as an issue with a broken or disconnected drive belt or it could be a more complex problem like a clogged or worn out drive pulley. Push the lever to the right of the steering to engage the blades. When the battery is weak, it is unable to provide sufficient power to the clutch solenoid to engage the mower blades. Make sure the brake is released when trying to enguage the clutch, it will prevent power from reaching it. Overfilled oil reservoir. This plate is usually visible from underneath the mower and will either be held in place by several screws or is snapped into place. If the blades are locked into a set position, the release mechanism must be activated before the blades can be used. A worn deck belt may also sit deep in the pulley grooves. Thats the easy (easy???) Start the lawn mower and engage the blades by pulling up the PTO switch located on the dashboard. It can help you prepare for the worst case scenarios. Find the plunger at the top of the attachment lift lever. The deck is located directly under the operators seat. 2 How do you engage the blades on a riding lawn mower? John deere mower will not engage. The problem may be caused by a faulty spark plug, air filter, fuel filter, or carburetor. Belt-the number one cause for your blades not to engage is that your belt is either stretched or loose causing it to slip or fall off completely. Which way do John Deere mower blades go on? 2 Lower the mower to the desired cutting height. To begin, first turn off the engine and disconnect the negative battery cable. In some cases, it is possible that the PTO shaft is stuck or worn. Check to make sure all items are in the correct Loading. If you are still uncertain, you may need to consult a professional to determine whether you need to replace the clutch or not. Most John Deere lawn mowers are equipped with an electric PTO (Power Take Off). If the blades are firmly engaged but won't start, it could be an issue with the electric clutch. . From there, then youre into diagnosing the PCM. So I charged up the battery fully, but it didn't help this time. First, turn off the mower and unplug its spark plug. The PTO switch on a John Deere tractor is typically located directly in front of the operators seat. How to Engage Lawn Mower Blades on a John Deere. Checking these things yourself can save a costly repair bill. When the switch fails, the blades wont turn on. 3. If the switch is defective, it may not supply power to the PTO clutch. Also, it may be helpful to use a piece of plywood or a rubber pad as a cushion between the blade and the ground as you attempt to remove the blade. When your seat switch is acting up and no longer recognizes the operator in the seat, the mower blades will fail to turn on. Lower the mower to the desired cutting height. Additionally, the blade should be removed and sharpened or replaced if it is visibly damaged. Why wont my blades engage on my John Deere mower? Why wont my mower deck engage? Engage the mower blades; push the lever to the right of the steering wheel all the way forward. These cookies will be stored in your browser only with your consent. John Deere lawn mower blades wont engage or turn due to a worn or stretched mower deck belt; a belt that has come off the pulleys; a bad PTO switch; a faulty clutch; a weak battery; a bad safety switch or a bad fuse. On most newer model lawn mowers, the brake has to be disengaged or off for the blades to operate. 1 Why wont my blades engage on my John Deere mower? 3 / 20. The plunger then pulls a connector rod that engages a clutch component, allowing the power from the engine to transfer through the PTO unit. Battery not charged. Your PTO is designed in a John Deere mower and tractor to disengage the blades within five seconds of activation. If the blades are stuck, pump some grease into the fitting and carefully work the blades back and forth by hand until they move freely. To help you identify the reasons your mower is having problems, I put together a handy guide to help you troubleshoot your John Deere. If they are consistently slipping off, they will not engage when you attempt to mow. The parking brake must be engaged for the engine to start. Clean the blade with detergent and apply oil for rust prevention. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. It is important to sharpen the blades on your mower regularly in order to maintain a healthy lawn and extend the life of your mower. Possible Fixes If there is a problem with the PTO clutch, then check the connecting wires. Engaging PTO (Power Take-Off) on an automatic transmission involves a few steps but is generally the same for most transmissions. The extra resistance puts a strain on the engine, which can result in a loss of power. If this takes a long time or is not happening, this signifies a problem with your PTO that needs urgent attention. 3) Tighten the self-tapping screws. Stop the wheel of the mower properly. If the safety switches check out okay, Oshel says the next step is to inspect the mower deck itself. What kind of deck does a John Deere X300 have? Is there a belt that could be - Answered by a verified Mechanic . 1. Which way do you turn the bolt to remove a lawn mower blade? Generally, mower blades should be sharpened at least once every season or every 8-10 hours of mowing. What should I do if my SCAG blade wont engage? A few factors may cause the blades not to engage. There are numerous motives why your Scotts riding lawn mower gained't begin. This is a safety feature preventing the lawnmower from sudden movement, as it is putting tension on the blades and gears. However, you may visit "Cookie Settings" to provide a controlled consent. A fourth issue could be a problem with the drive belt, which could be stretched or worn too much. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,50],'remodelormove_com-leader-3','ezslot_17',164,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-leader-3-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,50],'remodelormove_com-leader-3','ezslot_18',164,'0','1'])};__ez_fad_position('div-gpt-ad-remodelormove_com-leader-3-0_1');.leader-3-multi-164{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:7px!important;margin-left:auto!important;margin-right:auto!important;margin-top:7px!important;max-width:100%!important;min-height:50px;padding:0;text-align:center!important}Engaging PTO on an automatic transmission is a relatively straightforward process that involves finding the appropriate PTO unit to fit your vehicle, connecting it to the transmission, and engaging the transmission into its active position. Wait for all parts to stop moving. The PTO clutch is not repairableif the clutch is defective, you must replace it. If the PTO clutch is not getting power, if the clutch solenoid is defective, or if the clutch is worn out, the lawn mower blades will not engage. Press the plunger inward with your thumb, and move the attachment lift lever back, or toward you, to lower the cutting blade. To engage the blades on a riding lawn mower that's manually operated, turn the key clockwise to power it on, increase the throttle to half speed, and allow the engine to warm up for two minutes. This cookie is set by GDPR Cookie Consent plugin. How do I choose between my boyfriend and my best friend? Check the Drive Belt The drive belt on your mower's deck works with the power takeoff mechanism to engage and disengage the mower's blades. If there is any visible damage to the belt, it may need to be replaced in order to restore it to its proper tension. 6 How do you engage the blades on a craftsman riding mower? For instance, the reason why the mower stops once hot will be different from why the blades won't engage. This typically involves bolting it to the side of the transmission either in an inline or T-handle configuration. The process of sharpening mower blades can be done by yourself, although it is recommended that you take your mower and blades to a professional to be serviced. Secondly, the idler could have a damaged part in the mechanism, causing the idler pulley to stay engaged. Firstly, make sure that the spark plug is disconnected before attempting to engage the blades. Comes with new blades in a box. Turn the key to the on position, advance the throttle to half speed and allow the engine to warm up for 2 minutes. Additionally, you may need to check and adjust the tension on the drive belt, depending on your mower model. The consent submitted will only be used for data processing originating from this website. This cookie is set by GDPR Cookie Consent plugin. If all of these steps are unsuccessful, you may have a problem with the mowers electrical system. The second is an electrical system; an electric brake clutch is turned on by a switch that then sends a 12-volt current to the clutch, which enables a brake that has a pulley below it. If you find any damage, you may need to replace it. One side of the pulley may be sitting higher off the deck than the other side. You may also find batteries at your local lawn mower dealership. I attached some images from the manual. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,600],'remodelormove_com-medrectangle-4','ezslot_4',156,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-medrectangle-4-0'); Next, use a flat head screwdriver to remove the blade retention plate from the bottom of the mower deck. Other common causes include defective components, faulty wiring, and poor maintenance. The last step is to secure the blade retention plate onto the bottom of the mower deck. Follow all safety instructions provided in your equipment operators manual prior to diagnosing, repairing, or operating. Even if the belt isnt the main reason why your blades wont engage, you must replace it when it begins to show signs of wearing. Then, insert the blade control key into the deck control panel and turn it counter-clockwise. Additionally, the engine may be suffering from a lack of oil, dirty oil, or clogged fuel lines. 2 Lower the mower to the desired cutting height. If everything is functioning properly, the blade should engage when you pull the control lever or press the engaging pedal. Engage the mower blades; pull up on the yellow "PTO" switch to the right of the steering wheel. Customer: I have a john deere 430 lawn and garden diesel tractor.LX277AWS: all-wheel steering John Deere LX277 Engine: 17HP Kawasaki 493cc 2-cyl gasoline: 2WS Fuel tank: 3 gal 11. For a better experience, please enable JavaScript in your browser before proceeding. How do you engage a John Deere 1025r mower? But you may constantly. Best Answer. Follow these steps to charge your riding mower or zero-turn battery with a charger: If you find the battery wont hold a charge, you must replace it with a new one. Lower the mower to the desired cutting height. It will lock in place when you remove your foot. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'remodelormove_com-medrectangle-3','ezslot_1',155,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-medrectangle-3-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'remodelormove_com-medrectangle-3','ezslot_2',155,'0','1'])};__ez_fad_position('div-gpt-ad-remodelormove_com-medrectangle-3-0_1');.medrectangle-3-multi-155{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:7px!important;margin-left:auto!important;margin-right:auto!important;margin-top:7px!important;max-width:100%!important;min-height:250px;padding:0;text-align:center!important}Hopefully following the steps outlined above will help you get to the bottom of your issue and allow your blades to be properly engaged. Finally, reattach the spark plug wire and start the mower back up. If the volt meter reads 12 volts, replace the electric PTO. Replace a blown fuse with the same amperage fuse. You have tripped the emergency switch on the mower and it shut off automatically when you ran over the hose. The pulley engages the mower drive belt causing the blades to turn. If you do hear the click, there is power going to it. Which is correct poinsettia or poinsettia? 2 Why is the blade on my lawn mower not spinning? The PTO solenoid is used in many different applications, from speed governors on industrial machinery, to power lift chairs and more. When I engage the arm to start the blades turning on my John Deere E100 riding mower that I bought at Lowe's there is a delay before the blades start turning at full rpm's. Take all precautions to safely work on your John Deere. A stand-on mower is another option to consider. In that case, you should take your mower to a certified repair shop to have it examined. Slowly push the choke inward if it was engaged. As a John Deere mower owner, you will encounter a variety of problems over the life of the mower. John Deere manufactures the L120 model of garden tractor with either a manual or an automatic transmission. The first sign is if you are having difficulty engaging the clutch when trying to start the mower. The worn bearing will allow movement in the pulley so it wobbles. Additionally, many of the newer model tractors incorporate a PTO switch on the dash which is typically a three position switch with an OFF, On and Range selector mode. A worn or bad John Deere deck belt is one that has cracks, wear, fraying, or a shiny glazed appearance. Why wont my Craftsman mower blades engage? 3 Engage the mower blades; push the lever to the right of the steering wheel all the way forward. Turn the key to the "on" position, advance the throttle to half speed and allow the engine to warm up for 2 minutes. A driveway or garage is recommended. Once the blade is fully detached, pull it away from the mower and store it safely until it is needed again. Be sure to remove all debris from the blades, and make sure they are free to move before running the mower again. How do you engage the blades on a John Deere? You also have the option to opt-out of these cookies. The electric clutch might need to be replaced if the starter won't engage when it should. How do you engage the blades on a craftsman riding mower? There could be a few possible reasons why your mower blades are not engaging. Start up the tractor engine and engage the PTO. psaume de protection contre la sorcellerie. 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. Maybe the new belt is too long. Ensure its correctly aligned and tightly screwed into place. By clicking Accept All, you consent to the use of ALL the cookies. Access the battery and terminals. A qualified mechanic should always be consulted to confirm the diagnosis and to provide any necessary repair or replacement. If the belt has snapped, it will need to be replaced. With the key switch on (engine not running) brake off,someone in the seat, pull the pto switch on and check for 12volts at the yellow wire at the clutch. If the mower blades look worn or damaged, they will need to be replaced before they can be engaged. Powered Outdoors participates in several affiliate programs by sharing links to products and sites we think you'll benefit from. You can typically find these units online or at your local hardware store. PTO can be engaged or disengaged without operating clutch. Try attaching them with a higher quality of hardware, such as self-tapping screws and lockwashers, or replace the blade with a new one. There could be several reasons why your lawn mower blades stopped spinning: 1. The blade control lever and cable should be functioning properly, allowing the mower deck to be engaged when the lever is in the on position. Do not touch anything that doesnt have a rubber coating to prevent electrocution. An integral safety interlock system will not allow you to start the engine and engage the blades unless all safety devices are in the correct position. In addition, PTO solenoids are relatively simple, inexpensive and easy to maintain, making them an attractive choice for a wide range of applications. I took belt pulley covers off and there was a lot of grass jammed in there. Replace the ignition coil if you don't see any spark. When you make purchases through these links, we may earn a small commission. The bearing can wear so the pulley no longer sits parallel to the mower deck. Engaging the blades on a John Deere lawn tractor requires a few simple steps. Once youve finished, youll be ready to start your lawn mowing!. Lastly, it could also be due to a problem with the spark plug. There could be a problem with safety switches. A John Deere electric clutch uses power from the battery. Once the PTO clutch is removed, you will want to inspect the components. Once you have engaged your PTO, you can begin utilizing it for its various functions. A slow charge is best. 1 Why wont my blades engage on my John Deere mower? When the belt becomes worn or damaged, blades. Next, use an adjustable wrench to loosen the flywheel bolts and remove them. wrong grade engine oil. belton swap meet 2022 4. If the problem is with the drive belt or drive pulley, check to make sure they are attached correctly, not clogged, and have adequate amounts of lubrication. You should make sure that the oil levels in your mower are maintained at their proper levels. It could be due to a problem with the blades themselves. In order to engage PTO on an automatic transmission, you will need to ensure you have the correct PTO unit to fit the model of your vehicle. Sharpening the blades is a crucial step in keeping a mower running efficiently and in peak condition. Yesterday while I was mowing I felt something snap underneath the deck and the blades immediately disengaged themselves. Once the jolt is felt, the mowers blades should start rotating. The PTO clutch is not repairableif the clutch is defective, you must replace it. The blades may refuse to. Troubleshoot the simpler problems, but leave the more technical ones to service technicians. Engage the mower blades; push the lever to the right of the steering wheel all the way forward. Lowering the blades on a John Deere lawn mower is a relatively simple process, though the exact steps youll need to take will depend on the model you own. If a PTO (power take-off) does not engage, it is usually caused by a failure in one or more of the components that are necessary for the mechanical connection to be made. Once the blade is securely in place, you can reattach the attachment clips to ensure that the blade is properly secured. The rest of the article will look at some of the most common reasons why a John Deere mower won't work, and possible solutions for them. There are several ways to tell if your lawn mower clutch is bad. This belt spins the mowers blades and runs through a pulley system of idlers. Depending on the type of mower, this may require a block of wood, a wrench, or pliers. FREE Returns This is the cable that engages the blades. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,600],'remodelormove_com-mobile-leaderboard-1','ezslot_23',167,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-mobile-leaderboard-1-0');It is important to visually inspect the blade to ensure that it is fitted correctly and that there is no movement. my john lewis gift card has expired what can i do; kontribusyon sa rebolusyong pilipino ni melchora aquino; how to bypass brake safety switch on riding mower. If necessary, replace the spark plug, air filter, fuel filter, or carburetor to restore power to your mower. After the blade is safely removed, be sure to inspect it for any damaged or missing parts, such as a bent blade or a broken retaining bolt. If you dont feel the jolt or the blades dont begin rotating, the PTO clutch should be checked again and potentially replaced. As an Amazon Associate, we earn from qualifying purchases. The mower's pulley controls the tension in the drive belt, which in turn turns the blades. Finally, pull the blade engagement lever up, which will engage the blades. Charge the battery when you get a reading less than this. You must test the attachment engagement lever or switch to check that your PTO system is working correctly. Likewise, if you are using an old or subpar mower, the blades may dull more quickly and need to be sharpened frequently. The PTO switch may be defective or the PTO solenoid may be stuck in the off position. If not, youll need to repeat the steps outlined above or contact a qualified lawn mower repair center for further assistance. Necessary cookies are absolutely essential for the website to function properly. The PTO (Power Take Off) clutch transfers power from the engine to the blades by engaging the drive belt. If you have a self-propelled or walk-behind gas mower, you do not need a torque wrench, as the blade is usually attached with a single bolt. 9 Potential Causes of Riding Mower Blades Not Disengaging Next, youll want to clean the blade and the surrounding area with a stiff brush to remove all the grass clippings and dirt. What we do when this happens is charge up the battery and then the blades work fine again. Engage the mower blades; push the lever to the right of the steering wheel all the way forward. The PTO solenoid works by controlling a clutch or transmission component to transfer power from an engine to the PTO unit. Do not operate a mower without the safety switch installed for your safety. You can actually buy this machine with two different decks apparently, a regular 42 deck or a 42 mulching deck. If the PTO clutch works as intended, you should feel a sharp jolt when it is engaged. The average volt level for lawn mower batteries is usually 12 volts. First, you will need to disconnect the spark plug wire so that the mower cannot accidentally start while it is being worked on. Turn your mower off and check how the blades turn underneath the deck. Why is the clutch not working on my John Deere lawn mower? When the mower blades wont turn, check the mower deck belt. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'remodelormove_com-medrectangle-3','ezslot_1',155,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-medrectangle-3-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'remodelormove_com-medrectangle-3','ezslot_2',155,'0','1'])};__ez_fad_position('div-gpt-ad-remodelormove_com-medrectangle-3-0_1');.medrectangle-3-multi-155{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:7px!important;margin-left:auto!important;margin-right:auto!important;margin-top:7px!important;max-width:100%!important;min-height:250px;padding:0;text-align:center!important}Finally, check to make sure the mower belt is in good condition and properly connected to the blades. If the blades on your John Deere lawn mower are not engaging, there are several potential causes that should be explored. Make sure the deck height is correct by adjusting it according to the manufacturers instructions. Apply the parking brake by pressing the lever in front of your left foot entirely forward on models with a manual transmission, or your right foot on automatic transmission models of the L120 tractor. Excessive dirt and debris can also cause an electric clutch to fail, as it can get lodged in the moving parts and create excessive friction. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,50],'remodelormove_com-mobile-leaderboard-2','ezslot_24',166,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-mobile-leaderboard-2-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,50],'remodelormove_com-mobile-leaderboard-2','ezslot_25',166,'0','1'])};__ez_fad_position('div-gpt-ad-remodelormove_com-mobile-leaderboard-2-0_1');.mobile-leaderboard-2-multi-166{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:7px!important;margin-left:auto!important;margin-right:auto!important;margin-top:7px!important;max-width:100%!important;min-height:50px;padding:0;text-align:center!important}You should check all of these components to ensure they are in working order. Next, loosen the clutch lock nut and turn the clutch nut clockwise to increase its tension. No matter how wet, dry, slippery, or rough the terrain is, it can cut thick and thin grass just like knifing through butter. The most common cause of failure is improper lubrication. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Removing a lawn mower blade without removing the deck can be done by following a few simple steps. Now let's dig into the explanation of why a riding lawn mower smokes when blades engaged. Bring the old battery with you. They will be able to provide you with further assistance in troubleshooting and repairing your mower.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,600],'remodelormove_com-medrectangle-4','ezslot_4',156,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-medrectangle-4-0'); To fix a riding lawn mower blade that wont engage youll need to start by disconnecting the spark plug wire. 3 How do you engage the blades on a John Deere lawn tractor? When you engage the blades on your mower, you are putting additional strain on the engine, which can cause the engine to lose power. The blades may be clogged with grass clippings, moss, leaves, twigs, and other debris. It may not display this or other websites correctly. It could be due to a problem with oil levels. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. On some mowers, you may also need to remove a blade guard. An example of data being processed may be a unique identifier stored in a cookie. Hunker may earn compensation through affiliate links in this story. The belt gripping the pulleys affects blade speed.