john deere lawn mower blades will not engage

The primary benefit of using a PTO solenoid is that it allows for a smooth and consistent transfer of power from one system to another. Make sure you inspect the blades for any damage or signs of wear and tear. I have a John Deere L120 lawn tractor. The major tool youll need is a wrench of the proper size. Information is provided 'as is' and solely for informational purposes, not for trading purposes or advice. You also have to be sitting on the seat to engage the PTO, so the seat switch may be malfunctioning. I hope this helped you out, if so let me know by pressing the helpful button. Matt @mattk. Sit-on-top lawn mower. A PTO (power take-off) is pretty much an overcomplicated way of describing how a machine implement (such as a lawnmower deck and blades) derives power from that machines engine. 64 Questions View all . If you think the blades need to be sharpened, it is best to hire a professional lawn mower service to do the job for you. John Deere X475 Lawn and Garden Tractor Service Manual John Deere X475 Lawn and Garden Tractor Technical Manual TM2023 556 Pages in .pdf format 102.3 MB in .zip . If you dont feel the jolt or the blades dont begin rotating, the PTO clutch should be checked again and potentially replaced. The blades may be clogged with grass clippings, moss, leaves, twigs, and other debris. I had this issue for days myself. Sit-on-top lawn mower. The other lead must be placed on the corresponding NC pin in that row. 2 months ago I replaced the electric clutch and had some engine work done. If the PTO is electrical, you should hear the PTO clutch click when you flip the switch. Fortunately, repairing and replacing one of these is straightforward. Access the battery and terminals. Testing the switch, solenoid, and clutch could lead to diagnosing the problem. Start the lawn mower and engage the blades by pulling up the PTO switch located on the dashboard. Ships from and sold by Landscape Supply, Co. . In some cases, youll find that the gap between the center electrode and the ground electrode (the curved metal at the top) on the spark plug is far too big or too small. Next, youll want to clean the blade and the surrounding area with a stiff brush to remove all the grass clippings and dirt. Set the choke to ensure a better fuel-air mixture in the engine and make it easier to start the engine. There are several moving parts and they work to make using mowers infinitely more safe than they were a generation ago. Copyright article owner is ReadyToDiy.com for this article. Remove the drive belt from the engine pulley. Using this will lead to engine malfunctions and will damage parts of the engine over time. You should also clean the carburetor thoroughly to get rid of any deposits from the bad fuel. Once the blade is fully detached, pull it away from the mower and store it safely until it is needed again. Once the belt can be accessed, inspect it for any damage or wear. If you are not experienced in small engine repair, it is best to find a qualified expert you trust. This test is a resistance test using a multimeter on the Ohms setting. Do not operate a mower without the safety switch installed for your safety. Next, raise the cutting deck fully. To properly install the new blade, refer to the user manual for the proper orientation of the blade attachment. One New Replacement Mulch Cover made Fits JD 42" Riding Lawn Mowers. Cleaning or replacing the fuel cap will solve this problem. MowerPlus is the app you need to keep your John Deere riding lawn mower running well and your lawn looking great this season. DONYBOY73 The Small Engine Doctor assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Next, youll need to remove the fasteners that secure the blade to the crankshaft. This could be a sign that the clutch is slipping and needs to be replaced. Likewise, if you are using an old or subpar mower, the blades may dull more quickly and need to be sharpened frequently. Most residential PTO clutch assemblies cost from $100 to $170. If the spark plug is worn out or dirty, your mower may not be able to generate enough power to turn the blades. To reduce the cost of installation, those comfortable with repairing and replacing parts on their own equipment can save quite a bit. This is taking for granted that no mistakes are made that could bring even more costs. Rep: 37. You will find a clutch lever and cable on a John Deere mower with a manual engagement clutch. Michael Killinger. In addition to a worn belt, look for a stretched belt, bad pulley, worn tensioner arm, or missing spring. When you arent getting power, you may have blown a fuse. Cleaning or replacing the air filter will ensure that dust and debris arent making your lawn mower shut down in the middle of a session. Over and over again. The fuel filter ensures that the residue from the gas tank wont enter the engine. Hello all, I am new to the site. If the mower is equipped with a belt, you may need to adjust the belt tension to ensure the blade engages properly. Once this happens, the PTO wont function, which leads to unresponsive blades. Over time, it will become clogged, preventing adequate fuel from reaching the engine while running, especially when you increase the throttle. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'lawncaregrandpa_com-netboard-2','ezslot_21',129,'0','0'])};__ez_fad_position('div-gpt-ad-lawncaregrandpa_com-netboard-2-0');If you have already checked the switch, this should be the next step. More amperage charges the battery faster. This will prevent the blade from being damaged and/or cutting any surrounding objects. engage customers: 6pm Score deals on fashion brands: AbeBooks Books, art & collectibles: Depending on the type of blade adapter and the type of crankshaft used, this may require the use of a tool such a bearing splitter or a puller to aid in the removal. 2023 Meredith Corporation. He is a grandpa and frequently interviews other experienced landscapers and lawn care experts who are also grandpas for these articles. Spin the idler pulleys found on the mower deck. In some cases, excess grass and leaves can also overwhelm the belt and push it off. The clutch solenoid required 12 volts to work correctly, so thats the value you should get when you hook the leads up to the PTO cable end that connects to it. With a dirty spark plug, your lawn mower will most likely shut down while in use. Tim Kimber, Please feel free email me if really appreciate it thank you, TIM KIMBER, Did you find out the problem? Lawn Tractor Mower Deck Won't Engage - FIX PTO Clutch Problem - MUST SEE VIDEO!In this video I show and repair a common issue that will cause your PTO switch. I'm a homeowner and I like to do things myself. In a study done by researchers from the University of Chicago and the University of Virginia, the numbers were not significantly decreasing over this period. One end of the rows is known as the normally closed (NC) side and the other end is the normally open (NO) side. All three of these parts work together to control the functionality of the blade spin.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'lawncaregrandpa_com-leader-1','ezslot_7',140,'0','0'])};__ez_fad_position('div-gpt-ad-lawncaregrandpa_com-leader-1-0'); A PTO system on a lawn mower works to control the ability of the blade under the mowing deck to spin. For example, when I was younger, I mowed my lawn with a John Deere lawn tractor. marvinpowell416. This usually requires more torque for a secure installation, so you need a torque wrench to ensure that the blades are properly secured. 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. If all of these steps are unsuccessful, you may have a problem with the mowers electrical system. Next, locate the blade attachment bolts with the help of the users manual. When you tried engaging the PTO on the mower blade and there was no response from the machine, it indicated a problem with the PTO. 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. Clip the positive (+) lead of the volt meter to either one of the wire harness connector metal tabs (it doesn't matter which tab). VDurkin McCarthy, Check your deck level make sure it is to factory spec because if it's not your belt will slip nonstop and will only work when you put pressure on your pto switch arm, May 5, 2022 by 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. If its been a while since you changed it, and you need to use your lawn mower right away, you can consider cleaning it. . Clean the blade with detergent and apply oil for rust prevention. Possibly bad seat/reversing safety switch, faulty/loose wire/plug to clutch/PTO/switch, clutch faulty. At this point, all that should happen is that the PTO clutch will engage . You cutting the grass and your blades stop spinning.. You kill the lawn mower get off, look underneath and your belt is intact. As youve seen above, the air that comes in through this filter is important for the combustion process. Ad https://www.amazon.com/shop/omfishing#On my John Deere X485 the mower deck will not engage. Step 1: Check Solenoid With Multimeter. $11.73. Once the mower runs for a while, the heat will worsen a problem in the plug. If your John Deere mower wont work, the first thing you should do is to look for possible causes. If you hear the blades start to turn, then you know the lever has engaged them. There is an engine ground under the engine accessible from behind the the right front tire on the bottom side of where the engine is mounted. The PTO won't engage the mower deck. Check out Common John Deere Lawn Mower Problems and Solutions. The belt gripping the pulleys affects blade speed. The PTO (Power Take Off) clutch transfers power from the engine to the blades by engaging the drive belt. It should be labeled with the PTO letters or a PTO icon and should be easily accessible to the operator. Once the fasteners have been removed, the blade can be safely detached from the crankshaft. However, you need to ensure that the blades are installed correctly. On most newer model lawn mowers, the brake has to be disengaged or off for the blades to operate. This shuts down the engine. If the belt has fallen off the pulleys, it will no longer turn them to move the mower blades. Once you have engaged your PTO, you can begin utilizing it for its various functions. Clean the air and fuel filters, check the carburetor, and clean the spark plug. Without a torque wrench, the blades can quickly become loose, leading to potential safety issues. The heat generated as the gas burns inside the cylinder needs to be cycled out properly, or the engine will stop working. If the blades need replacement, be sure to use sharp, correctly balanced blades for your mower model. When the blades no longer engage,. A clutch that is worn or faulty must be replaced when it fails to power the blades. The PTO switch is usually a knob installed on the mower that allows voltage from the battery to power the clutch. A John Deere electric clutch uses power from the battery. So now and then, we have to get our hands dirty. Start with two amps and work up to no more than 10 amps. "Shut the engine off and if it's a manual PTO, make sure your deck engagement spring is connected correctly and if it's an electric PTO, again, check the belt. Test the seat switch using a multimeter or youcan temporarily bypass the safety switch to identify a bad switch. Powered Outdoors participates in several affiliate programs by sharing links to products and sites we think you'll benefit from. Do Rats Eat Flowers Or Plants? In order to fix this, youll need a experienced mechanic to assess the problem and repair, replace or lubricate the system as needed. If youve checked all of these possible causes and your lawn mower blades still wont turn, it could be due to a larger issue with your mower. The PTO light blinks and there is what looks like a rear bagger icon blinking on the dash, but it has no bagger. I just put together a new X570 and the blades will not engage. DONYBOY73 The Small Engine Doctor recommends safe practices when working with power tools, hand tools, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Check the system for any possible obstructions and remove them. It could be dirty or clogged. No one likes a clogged gutter and all the problems that come with it, from water damage to pest infestations. This clutch can fail by seizing due to wear or corrosion. Sometimes the mechanisms may get bent out of shape which disrupts this link and makes engagement impossible. If the magnet is working correctly, it should display a resistance value in the 1.5-3.0 range. Lawn Mower Replacement Parts $35.89 $ 35. I then got a belt with the same notches and length as the original belt and this fixed my Scott's tractor. Removing the blade adapter from a crankshaft requires you to take apart the entire crankshaft assembly. Follow all safety instructions provided in your equipment operators manual before diagnosing, repairing, or operating. Step 2: Resistance Check With PTO Switch On. Usually ships within 5 to 6 days. If all other steps fail, contact John Deeres customer support team for help. We have looked at some of the most common complaints above. http://patreon.com/donyboy73Switch is part #AM131966Connect with me on these social media spaces (plus that's where I announce contest winners)Facebook: https://www.facebook.com/Donyboy73-The-Small-Engine-Doctor-on-Youtube-234040803408166/Twitter: https://twitter.com/donyboy73Instagram: https://www.instagram.com/donyboy73/If you enjoy my small engine repair videos make sure to comment, share, thumbs up and subscribe. It could be due to a problem with the electric motor, the belts, or clutch. The idler pulley on your mower is responsible for adjusting the tension in the drive belt, which gets the blades working. If your push mower is locked up, its likely that there is a problem with the gearbox or transmission system of your mower. "If you have a manual PTO, not all of these things have to be done with the engine running," he says. DONYBOY73 The Small Engine Doctor assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Youll need to do it firmly and quickly. Craftsman Mower Wont Work: How to Fix It. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'lawncaregrandpa_com-leader-4','ezslot_15',123,'0','0'])};__ez_fad_position('div-gpt-ad-lawncaregrandpa_com-leader-4-0');I recommend this inexpensive and popular multimeter from Amazon to accurately check your PTO switch. Weak Battery on a John Deere Mower. If your John Deere lawn mower engine is running, but the blades are not engaging, there are a few possible reasons for this problem. Make sure the deck height is correct by adjusting it according to the manufacturers instructions. Though there are some fixes that simply require cleaning, many times a PTO system will run even in dirty conditions. Common fasteners include a bolt and nut, a hex drive screw, or a spline screw. Inspect the belt for burned spots caused by the pulleys when the deck locked up. During the height of the mowing season, grass can grow rapidly, especially if watered and fed properly. John Deere STX 38 Riding mower selling for local owner Running operating unit 38 inch cut 5 speed Buy upon your inspection Pick items up promptly after sale Located at the Kobza Auction Building in David City Nebraska Call John for details 402_625_7254 Call Tammy at Transportatio . Replace a blown fuse with the same amperage fuse. Trouble shooting/parts/manual links below may help. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'remodelormove_com-leader-3','ezslot_24',168,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-leader-3-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'remodelormove_com-leader-3','ezslot_25',168,'0','1'])};__ez_fad_position('div-gpt-ad-remodelormove_com-leader-3-0_1');.leader-3-multi-168{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:15px!important;margin-left:auto!important;margin-right:auto!important;margin-top:15px!important;max-width:100%!important;min-height:250px;min-width:250px;padding:0;text-align:center!important}It is important to have a qualified technician test your lawn mower to determine if the clutch is bad and to make any necessary repairs. Likes a clogged gutter and all the Problems that come with it, from water damage to pest infestations be... Be sharpened frequently grass can grow rapidly, especially if watered and fed properly $ 100 $... The electric clutch and had some engine work done new Replacement Mulch Cover made Fits JD 42 & ;. Be able to generate enough power to turn the blades working, refer to the crankshaft length the... Mower blades newer model lawn mowers other experienced landscapers and lawn care experts who are also for. A stiff brush to remove the fasteners that secure the blade and the by! You need to be replaced when it fails to power the blades pulling! And push it off a clutch lever and cable on a John Deere Riding lawn mowers, PTO. Sharing links to products and sites we think you 'll benefit from let me know by pressing the button. And tear has to be cycled out properly, or operating push it.!: resistance check with PTO switch located on the dashboard this usually requires more torque for a stretched belt bad... It will become clogged, preventing adequate fuel from reaching the engine and it! & # x27 ; t engage the blades are properly secured this helped out... Entire crankshaft assembly to products and sites we think you 'll benefit from fail by due! Months ago I replaced the electric motor, the blades by pulling up the PTO is electrical you. Will run even in dirty conditions the first thing you should hear blades! Bypass the safety switch, solenoid, and clutch could lead to engine malfunctions and will damage of... Residential PTO clutch click when you arent getting power, you should do is look. Informational purposes, not for trading purposes or advice while running, especially when you arent power. The deck locked up, its likely that there is a problem in the 1.5-3.0.... Contact John Deeres customer support team for help old or subpar mower, the blade adapter from crankshaft... Removing the blade engages properly installed on the seat switch using a multimeter on the mower deck worn or must. Your push mower is responsible for adjusting the tension in the drive belt new X570 and the blades pulling... Utilizing it john deere lawn mower blades will not engage its various functions a stiff brush to remove the fasteners have been removed, the air fuel. Test the seat switch using a multimeter on the dashboard, clutch faulty damage to pest.! Tank wont enter the engine attachment bolts with the PTO letters or PTO... Properly, or the engine will stop working quite a bit diagnosing the?! Original belt and this fixed my Scott 's tractor grass and leaves can also overwhelm the belt can accessed! To adjust the belt tension to ensure that the blades may be clogged with clippings... Are using an old or subpar mower, the blade attachment the throttle move mower... The spark plug all of these steps are unsuccessful, you can begin utilizing it for its various functions for! Residential PTO clutch click when you arent getting power, you need a torque wrench, belts! The same amperage fuse from being damaged and/or cutting any surrounding objects worsen a problem with help. And there is a resistance value in the drive belt sites we think you 'll benefit from while the. Running, especially if watered and fed properly assemblies cost from $ 100 to $.... Any deposits from the crankshaft # x27 ; t engage the mower deck clutch power! Should be checked again and potentially replaced the users manual the crankshaft motor the. And make it easier to start the engine able to generate enough power turn. That secure the blade adapter from a crankshaft requires you to Take apart the entire crankshaft assembly pressing the button... Up, its likely that there is what looks like a rear bagger blinking... Users manual and/or cutting any surrounding objects tension in the plug is fully detached, it! You should do is to look for possible causes being damaged and/or cutting any surrounding...., all that should happen is that the residue from the engine and make it to! It will become clogged, preventing adequate fuel from reaching the engine will stop working has engaged them power the... Jd 42 & quot ; Riding lawn mowers blades need Replacement, be sure to use sharp, correctly blades... Which disrupts this link and makes engagement impossible correctly, it will no longer turn them to the. Turn the blades need Replacement, be sure to use sharp, correctly balanced blades for any possible and... Provided 'as is ' and solely for informational purposes, not for trading purposes or.! Of any deposits from the crankshaft free email me if really appreciate it thank you tim... You flip the switch, solenoid, and clean the blade attachment with. 42 & john deere lawn mower blades will not engage ; Riding lawn mower will most likely shut down while in use unsuccessful, you may a! Youll need to keep your John Deere electric clutch uses power from the engine to the site seat/reversing safety,. Ensure that the blades for any damage or wear care experts who are grandpas!, contact John Deeres customer support team for help just put together a new X570 and blades... Removing the blade attachment clutch uses power from the crankshaft will engage &. Out common John Deere lawn tractor wire/plug to clutch/PTO/switch, clutch faulty stretched belt, bad pulley, tensioner... The bad fuel are using an old or subpar mower, the belts, or a PTO will! Save quite a bit caused by the pulleys when the deck height is correct by adjusting it to. Sure you inspect the belt tension to ensure that the blades are properly secured just together! Model lawn mowers identify a bad switch a manual engagement clutch is provided 'as '... Will solve this problem engine malfunctions and will damage parts of the blade from being damaged and/or any! And makes engagement impossible you increase the throttle clutch could lead to engine malfunctions and will damage parts of mowing! Simply require cleaning, many times a PTO system will run even in dirty conditions damaged cutting. Those comfortable with repairing and replacing one of these is straightforward deck will not.! Multimeter on the seat switch may be clogged with grass clippings, moss, leaves, twigs, and the... Are properly secured work, the first thing you should do is to look for possible.! Possible obstructions and remove them signs of wear and tear the bad fuel find the. Labeled with the help of the most common complaints above or a PTO icon and should be accessible... Be replaced newer model lawn mowers Ohms setting mower runs for a stretched belt you... To engine malfunctions and will damage parts of the users manual problem with the mowers electrical.. You are not experienced in small engine repair, it will no longer turn them move. Screw, or a spline screw and fuel filters, check the system for any damage or wear could to. Rear bagger icon blinking on the Ohms setting a sign that the blades can quickly become,... Blades start to turn the blades for your safety uses power from the.. Or clutch to use sharp, correctly balanced blades for any damage or wear while in use adjusting it to... Qualified expert you trust the seat switch using a multimeter or youcan temporarily bypass the switch. This test is a wrench of the engine out properly, or spring. Diagnosing, repairing and replacing parts on their own equipment can save quite a.. Keep your John Deere mower with a stiff brush to remove all the grass clippings,,... 'S tractor point, all that should happen is that the blades start to turn the blades start to,... Have blown a fuse happen is that the PTO is electrical, you should do is to look possible... Worn out or dirty, your lawn looking great this season burns inside the needs... Mixture in the engine over time that come with it, from water damage pest! The air and fuel filters, check the carburetor, and clean the air and fuel filters check... Icon and should be easily accessible to the site tool youll need to adjust the can. It for its various functions want to clean the blade from being damaged and/or cutting any surrounding.. And fuel filters, check the carburetor, and other debris in several affiliate programs by sharing links to and... Tool youll need to be disengaged or off for the combustion process of installation, those comfortable repairing! Blade with detergent and apply oil for rust prevention to generate enough power turn... Solve this problem and clutch could lead to engine malfunctions and will damage parts of most. Major tool youll need to ensure that the PTO clutch click when you arent getting power you... Bad seat/reversing safety switch to identify a bad switch a bit have blown a fuse torque wrench ensure! Adjusting it according to the operator gas tank wont enter the engine ensure the blade attachment bolts with gearbox! Resistance check with PTO switch on bypass the safety switch, solenoid and! Removing the blade adapter from a crankshaft requires you to Take apart the entire crankshaft assembly during height! I like to do things myself clippings and dirt to diagnosing the problem is electrical, you need to the... Mowers, the heat generated as the gas tank wont enter the to. For these articles a qualified expert you trust made that could bring even more costs up to no more 10! Quickly and need to adjust the belt and push it off are installed correctly needs to be disengaged or for! Fuel from reaching the engine to the operator those comfortable with repairing and replacing one of steps...

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