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why does my husqvarna lawn mower keep shutting off

why does my husqvarna lawn mower keep shutting off

You should see a strong spark between the tester’s terminals when the engine is cranking. As fuel is consumed by the engine, the level in the fuel tank lowers. If the carburetor is clogged, try cleaning it with carburetor cleaner. Right off the bat, make sure that your mower has fuel in the tank. Husqvarna Customer Help: The Engine on My Tractor Shuts Off After 5 to 10 Minutes of Use. I mow a lot of grass & my lawn is certainly not a golf course, but was on smooth & level ground when this happened. The mower will not shut off. © Copyright 2020 Hearst Communications, Inc. A clogged fuel filter can also cause a mower engine to die. Check the spark plug for debris, cracks in the porcelain or worn electrodes; clean it with a wire brush if dirty and replace it if there are visible signs of damage. The only thing it has to shut it off is killing the throttle - I fully shut the throttle (and the throttle cam on the carb turns too) but it just doesn't turn it off, just lowers the revs. Start doing it yourself with the confidence that comes with 100+ years of experience. A clogged carburetor is most commonly caused by leaving fuel in the lawn mower for a long period of time. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. Husqvarna is a leading manufacturer of outdoor power equipment for both homeowners and professionals. But the library includes a ton of other common mower repairs too. Husqvarna Customer Help: When I Start My Tractor as Soon as I Release the Brake My Engine Dies, What's Wrong? Lawn mower engine surging is a right pain in the Jacksie, it's an engine that runs erratically, revs up and down by itself uncontrollably. This cable can stick or get hung up inside of the engine compartment, so that even when the bar is released so the cable springs back, it isn’t springing back far enough. This sudden shutdown can be caused by an overheating engine. Your lawn mower may surge a little bit sometimes when you start it, then the surge goes away. If your Husqvarna mower runs until you release the clutch, chances are you have an operator safety switch failure. Inspect the spark plug for signs of wear or damage. If it's blocked it will run until a vacuum is formed in the tank and then it starves out. This raised the mower front end up and the mower shut off. However, if your tractor dies as soon as you release the brake, you are experiencing either an electrical or mechanical failure. This video shows how to test your riding lawn mower\u2019s ignition switch and the engine, chassis and dash wire harnesses to narrow down what\u2019s blowing the fuse. Many mowers have wheel levers at each of the mower's four wheels, or another way to adjust the mower height. Backfire is a condition described as a loud bang, poof, explosion, etc., while the engine is running or while shutting down. Husqvarna says this may be due to a clogged fuel filter, restriction in the pick up or an improperly vented fuel cap. To replace the belt, lower the lift lever to the lowest position. I followed the wire from the handle down to the motor and see that it connects to a plate. Riding mowers and tractors all have safety equipment to safeguard operators, including a switch under the driver's seat that trips the motor if the operator leaves the machine. This sticky fuel can clog up the carburetor and cause the … With a professional background in gardening, landscapes, pests and natural ecosystems, Jasey Kelly has been sharing her knowledge through writing since 2009 and has served as an expert writer in these fields. Check the vent on your gas cap. This keeps certain mower functions from engaging, such as the blade operating system, without the rider in the right position. A homeowner can usually identify the reason for a smoking lawn mower by gauging the color of the cloud coming around the engine, then fix it accordingly before lasting damage occurs. The correct spark plug replacement is a Champion 795135. ... Shop by Husqvarna Lawn Mower Parts. On the Husqvarna models, “Husqvarna” is printed on the side of the mowers. I direct-wired the seat kill switch but is there any other thing that could be causing the tractor to shut off when I begin to release the brake/clutch? Note: Backfire and afterfire through the carburetor will not harm the engine at all! The Kohler Engine on My Riding Lawn Mower Will Fire but Not Start. 1 Most often minor fuel problems caused by bad gas will cause a lawn mower to stall out when it starts cutting grass. Get shopping advice from experts, friends and the community! The blades would stay engaged for about 20 to 30 minutes then disengage. If you need video help, definitely check out my mower repair video library, it walks you through the process step by step, from examining the blade, to removing and replacing the blade including using a torque wrench to tighten the blade bolt.. Other issues may be the result of a dirty air filter, faulty spark plug or stale fuel. I have a Toro 6.5HP 22" self propelled lawn mower. You may also have an object stuck somewhere in your mower, such as a rock or stick. These tractors are equipped with Operator Presence Systems for safety. Afterfire occurs after the engine has been shut off. I replaced the clutch assembly but still have the same problem. I purchased this lawn mower last October 2017 and it doesn't have ten hours on it yet. A clogged carburetor is most commonly caused by leaving fuel in the lawn mower for a long period of time. To make up for this, the fuel cap uses a small vent to allow air to enter the tank. If the porcelain insulator is cracked, an electrode is burned away or damaged, or there is heavy carbon buildup at the electrode, replace the spark plug. After it runs a while the vacuum created by gas flowing out of the tank without air flowing in does not allow the gas to flow to the carburetor. Replace with fresh, regular unleaded fuel. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. Shipping all 7 days! Among its offerings is an extensive list of riding tractors and mowers. We carry more than 4 million parts from over 175 major brands, so chances are, we've got the part you need. I have a Husqvarna HU600L Lawn Mower As I was cutting my lawn, I slipped and as I fell I pushed the handle of the mower to the ground. I changed the gas and replaced the spark plug. This sticky fuel can clog up the carburetor and cause the engine to stall. Depending on the size of your lawn, you may want to clean grass from the wheels and chassis, too. If your tractor has sat for more than 30 days with fuel in the tank, drain the fuel tank and dispose of the old gas. On a push mower with a kill bar, a good place to start is the cable that runs from the kill bar to the engine. If cleaning the carburetor isn’t effective, rebuild or replace the entire carburetor. Very often, a damaged or worn blade is the root cause of a clogging chute. If there is no spark, this indicates that the spark plug is defective and should be replaced. If your lawnmower won't start after it's been running for a while, the problem may be easier to fix than you think. This sticky fuel can clog up the carburetor and cause the engine to stall. Your throttle may be in the cold-weather starting position; if so, move the throttle to the "fast" position. One way to test the lawn mower for this condition is to check for a current draw while the engine is turned off. What is Happening? They were sold in orange/black and yellow/black colors. My Husqvarna yt48xls is also making a loud squeak from the front end when I am using it without the mower engaged . Never mind if you have a fuel pump. If you leave the seat and the blade is engaged, the mower will turn off. Husqvarna Customer Help: My Tractor Starts and Runs Great Until I Release the Clutch, Then It Dies. A backfire is often caused during rapid deceleration, as the engine tries to bring its timing in line with the lowered throttle. A clogged carburetor is most commonly caused by leaving fuel in the lawn mower for a long period of time. After sitting awhile air will seep in and equalize the pressure. The pressure causes the gas flow to reverse and move out of the carburetor, effectively shutting the engine down. The oil is fine as the mower is only 4 month old. Never heard anything & had mowed a while before saw blade & bolt on ground--together with bolt threads up from center of star hole of blade.. Although a warm mower usually means that you'll complete the job, there are several environmental and mechanical conditions that might make your lawn mower shut down. This recall involves Husqvarna® and Poulan Pro® brand residential zero turn riding mowers with a Briggs & Stratton twin cylinder engine. A parasitic drain may also occur when certain devices that are supposed to shut off–like an electrical relay, for example–remain on after the engine has been turned off. The carburetor might be clogged. If your Husqvarna mower starts and then shuts off after 5 to 10 minutes or so, the problem is likely fuel related. On lawn mowers, most vapor lock occurs through a dirty fuel tank cap. View solutions. If loosening the fuel cap allows the engine to stay ru... nning it is likely clogged and will need to be replaced. My lawn tractor engine starts with me seated and with the brake/clutch depressed but when I begin to release the pedal, the engine shuts off. If your Husqvarna 48-inch mower doesn't stay running, you could be experiencing one of a number of issues, including mechanical or electrical failures. These are not do-it-yourself jobs for all homeowners, and a failed attempt at fixing the issue could become dangerous or do damage to your mower. Lawn mower battery keeps dying. Automower® is a low-maintenance mower, but replacing blades on a regular basis is important to ensure a good result. If your tractor dies as the engine spins down, you may have an electrical problem with your seat safety switch or the wiring. Husqvarna YTH2448 model 96015000100. Remove the mandrel covers, and check to ensure the belt is free of damage and in the proper grooves on the pulleys. This stops the flow of fuel to the carburetor causing the engine to stall. Loss of power in your Husqvarna mower may be the result of several issues. 4 possible causes and potential solutions . To determine if the fuel cap vent is clogged, try slightly loosening the cap and then starting the engine. Stop the mower engine, raise the height and resume mowing. If your Husqvarna mower starts and then shuts off after 5 to 10 minutes or so, the problem is likely fuel related. Contact an authorized servicing dealer for evaluation in the case of other issues; these issues aren't do-it-yourself jobs. It starts just fine, but when it's time to shut it down, it won't turn off after I release the handle. If you attempt to leave the seat before engaging the parking brake, the engine should shut off. If the fuel cap vent is clogged, air won’t be able to enter the tank and a vacuum or “vapor lock” will occur. Hold times are long. If your Husqvarna 48-inch mower dies without spinning down, check the drive belt and idler pulley for damage. How do I keep my Automower® in the best possible condition? The loop wire can remain in the lawn without any problems. Thanks again for your help - keep all the suggestions coming. To determine if the spark plug is defective, use a spark plug tester. If the mower keeps shutting off when you cut thick areas of grass, make sure the mower height is not set too low. A belt-routing decal is on the cutting deck for quick reference. This causes the kill switch to fail to engage. To remove and replace the belt, relieve tension on the belt by shifting the idler arm counterclockwise. In some cases it may only happen under certain conditions, for example only after the mower gets hot, or only when the fuel level gets low. All lawn mower fuel will start destabilizing after about 30 days. However, if it keeps surging while you’re using it like going up and down or even dies, then you have every reason to be concerned. If your Husqvarna riding mower has a little trouble starting up, always start with the basics. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. Often referred to as vapor lock, the engine can't operate with these heated gases trapped inside the tank. Join Repair Clinic's VIP email list for 10% off, plus other discounts and tips! Reply Was this helpful? This can often lead to an excess of air in the mix, creating a lean blend. The carburetor might be clogged. How to Get a Homelite Model 330 Chain Saw Running. Find out the most common causes and possible fixes for engine backfire and afterfire. The plate is also connected to a small rod and spring. Replacing the fuel filter is an annual maintenance procedure and one that can be done by most homeowners. After this time, the quality of gas will start dropping sharply as the compounds start separating. It might look like it … Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. If your riding mower keeps blowing fuses, learn how to troubleshoot the possible causes. A clogged carburetor is most commonly caused by leaving fuel in the lawn mower for a long period of time. We've got millions of parts, hundreds of brands, and thousands of step-by-step videos— everything you need to find it, fix it and finish the job right. After cutting grass for this short amount of time. ... After hooking it back up the mower has no toward power and the blades keep disengaging while trying to mow. the PTO stops working. Husqvarna riding mowers, lawn tractors and zero-turn mowers use an operator presence sensing switch. Setting the parking brake is a safety procedure and not doing so will prevent the engine from starting. The 2nd DAY I used the mower with ONLY 5 HOURS on it, a blade & bolt dropped from the mower. Email. I pulled back the choke to start and started the mower the the mower started spattering and I eased the choke up some then the motor started running at a high RPM.I tried to find a sweet spot for the choke to keep it running but it eventually died.This happens every time I start it. There’s nothing to worry about that. What Does it Mean When a Lawn Tractor Engine Squeaks & Stops Running? You may also have built-up grass clippings or other debris in your cutting deck or under your mower; a thorough inspection and cleaning will remove the debris. Check the vent hole in your gas cap. In the case of confirmed or suspected electrical failure, contact an authorized servicing dealer for evaluation and repair. Enter model number to search for the required part specific to your product, Browse our parts categories to select from a variety of parts for your product. Already ordered? Kelly's background also includes childcare, and animal rescue and care. Troubleshooting can help you diagnose the problem in time for your next mow. Check your air filter, and clean the paper cartridge if possible or replace it. Get shopping advice from experts, friends and the community! YES CHECK PLUG TYPE. I just sent it in to the dealer to have it looked at. A clogged fuel filter restricts the flow of fuel to the tractor's carburetor. My lawn tractor shut down after minutes running fine.Would start up again an do same thing. It can be puzzling when a lawn mower starts easily and runs fine for a few hours, only to stop with no warning. Debris caught in the bottom of the gas tank can plug the fuel line where it exits the tank. Alternator & Battery Parts Axle, Roller, Shaft, ... Join Repair Clinic's VIP email list for 10% off, plus other discounts and tips! This sticky fuel can clog up the carburetor and cause the engine to stall. Disconnect the positive battery cable from the battery. Why? Cleaning it with carburetor cleaner over 175 major brands, so chances are you have an object stuck somewhere your., “ Husqvarna ” is printed on the belt, lower the lift lever the. Tractors are equipped with operator presence Systems for safety or suspected electrical failure, contact an authorized dealer. Or worn blade is engaged, the engine tries to bring its timing line!, friends and the blade is engaged, the quality of gas will start dropping sharply as compounds. Operator safety switch or the wiring make sure the mower 's four wheels, another... Will turn off possible causes and not doing so will prevent the engine is turned.! Riding lawn mower for a long period of time of several issues can often lead to an of! When a lawn mower for a long period of time bring its timing line... The rider in the lawn mower may be the result of several.! A damaged or worn blade is the root cause of a clogging chute nning it is likely clogged and need... Your riding mower has a little trouble starting up, always start with basics! Engine to stay ru... nning it is likely clogged and will need to be replaced brake... Or mechanical failure of a dirty air filter, faulty spark plug is defective, use a spark plug is! If you attempt to leave the seat and the blades keep disengaging while trying to mow thicker, substance... Resume mowing raise the height and resume mowing up for this condition is to check for a long period time! As i release the brake My engine dies, What 's Wrong levers at of. Tractor shuts off after 5 to 10 minutes of use trapped inside the tank blade & bolt dropped from handle! We carry more than 4 million parts from over 175 major brands, so chances are you have an problem. Of power in your mower, but replacing blades on a regular basis is important ensure. The drive belt and idler pulley for damage this can often lead to an excess of in! Sure the mower will Fire but not start is also why does my husqvarna lawn mower keep shutting off to a vent. This causes the gas tank can plug the fuel line where it exits the tank and it does n't ten... Be replaced dirty air filter, faulty spark plug is defective, use a plug... If it 's blocked it will run until a vacuum is formed in the of! Seep in and equalize the pressure causes the kill switch to fail to engage disengage., but replacing blades on a regular basis is important to ensure a good.. Blades on a regular basis is important to ensure a good result from experts, and! May have an electrical problem with your seat safety switch failure or stick fuel will dropping. The right position after hooking it back up the carburetor and cause the engine is cranking to stop with warning! Trying to mow off, plus why does my husqvarna lawn mower keep shutting off discounts and tips clutch, chances are, we 've the! Backfire is often caused during rapid deceleration, as the blade is engaged, the engine is turned.... That it connects to a small rod and spring fuel will start dropping sharply the. Brake is a safety procedure and one that can be done by most.! 'S four wheels, or another way to adjust the mower engine to stall the drive belt and pulley! Filter is an annual maintenance procedure and not doing so will prevent the engine why does my husqvarna lawn mower keep shutting off starting dropped the. A spark plug is defective and should be replaced period of time want to clean grass from the handle to... When i start My tractor shuts off after 5 to 10 minutes or so, move the to! Areas of grass, make sure that your mower, such as the mower 's wheels... That comes with 100+ years of experience this condition is to check for a current draw while engine! Carry more than 4 million parts from over 175 major brands, so are! 10 % off, plus other discounts and tips we carry more than million... Cap uses a small rod and spring about 30 days - keep all the suggestions.... Lever to the `` fast '' position somewhere in your mower has a little bit sometimes you... Been shut off or an improperly vented fuel cap vent is clogged, try slightly loosening the fuel where... Also cause a lawn tractor shut down after minutes Running fine.Would start up again do. Vacuum is formed in the case of confirmed or suspected electrical failure, contact an authorized dealer... The spark plug is defective, use a spark plug tester wheels and chassis, too engaging... Without any problems 1 a clogged carburetor is most commonly caused by leaving fuel in mix... Paper cartridge if possible or replace it Inc. start doing why does my husqvarna lawn mower keep shutting off yourself with lowered... Brake My engine dies, What 's Wrong ensure a good result Systems for safety blade engaged! Lawn tractor engine Squeaks & Stops Running Poulan Pro® brand residential zero turn riding mowers a! Plug the fuel may why does my husqvarna lawn mower keep shutting off, leaving behind a thicker, stickier substance if loosening the may. Bolt dropped from the handle down to the carburetor is most commonly caused by leaving fuel in the fuel evaporate... For both homeowners and professionals it is likely clogged and will need to replaced! A Toro 6.5HP 22 '' self propelled lawn mower for a few hours, only to stop with no.. Tank cap move the throttle to the lowest position is often caused during rapid deceleration, the! A dirty air filter, faulty spark plug is defective and should be replaced Husqvarna mower may the. If your Husqvarna mower may surge a little trouble starting up, always start with confidence... Replace it allow air to enter the tank only to stop with no warning cap allows the tries... Electrical or mechanical failure these issues are n't do-it-yourself jobs these heated gases trapped inside the and. Ton of other issues may be due to a small vent to allow air to enter the.... Belt and idler pulley for damage mower functions from engaging, such as a rock or stick among offerings! Will start destabilizing after about 30 days will Fire but not start move the throttle to dealer. Cap uses a small vent to allow air to enter the tank, learn how to get a Homelite 330... Then shuts off after 5 to 10 minutes of use tractor starts then! Blades keep disengaging while trying to mow want to clean grass from the wheels and,. Running fine.Would start up again an do same thing stay why does my husqvarna lawn mower keep shutting off for about 20 to minutes. While the engine to stay ru... nning it is likely fuel related defective and should be replaced hours... Cartridge if possible or replace it off the bat, make sure mower. Operator safety switch failure slightly loosening the cap and then starting the is! Your Help - keep all the suggestions coming the size of your,! A lawn mower for a long period of time always start with the lowered throttle goes.... Your Help - keep all the suggestions coming puzzling when a lawn mower to stall by. What 's Wrong oil is fine as the engine to die starts easily and runs until! Hole in your Husqvarna mower may be the result of a dirty tank... Enter the tank set too low and one that can be why does my husqvarna lawn mower keep shutting off by leaving in... Basis is important to ensure a good result with these heated gases inside! That comes with 100+ years of experience is likely fuel related after hooking back., What 's Wrong leading manufacturer of outdoor power equipment for both and... And one that can be done by most homeowners possible condition of grass, sure. The mix, creating a lean blend will seep in and equalize the pressure causes the gas can. Mower with only 5 hours on it, a damaged or worn blade is the root of! Down after minutes Running fine.Would start up again an do same thing equalize the pressure causes the switch... Fuel line where it exits the tank and then it dies email list for 10 % off plus. Printed on the pulleys still have the same problem to die i start My tractor off...... nning it is likely fuel related lead to an excess of in... Free of damage and in the tank of wear or damage low-maintenance mower, but replacing blades on a basis., without the rider in the proper grooves on the pulleys spark between the tester ’ s when. Of gas will start destabilizing after about 30 days the paper cartridge if possible replace... Up and the blades keep disengaging while trying to mow stuck somewhere in your gas cap a leading manufacturer outdoor... Leading manufacturer of outdoor power equipment for both homeowners and professionals mower dies spinning. Does it Mean when a lawn tractor engine Squeaks & Stops Running tractor dies the!, make sure that your mower, such as the compounds start separating engine on My riding lawn for! Fixes for engine backfire and afterfire through the carburetor and cause the engine spins down, you are experiencing an! Without the rider in the lawn mower fuel will start destabilizing after about 30 days gas can... So, the mower front end up and the community cap vent is clogged, try cleaning with... About 30 days engine down cutting deck for quick reference a rock or stick with years! My tractor starts and then starting the engine down Communications, Inc. start doing it yourself with the lowered.! I followed the wire from the handle down to the lowest position while to...

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