You may also have an object stuck somewhere in your mower, such as a rock or stick. Automower® is a low-maintenance mower, but replacing blades on a regular basis is important to ensure a good result. 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. Lawn mower battery keeps dying. 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. Stop the mower engine, raise the height and resume mowing. To replace the belt, lower the lift lever to the lowest position. Right off the bat, make sure that your mower has fuel in the tank. I followed the wire from the handle down to the motor and see that it connects to a plate. If loosening the fuel cap allows the engine to stay ru... nning it is likely clogged and will need to be replaced. 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. Find out the most common causes and possible fixes for engine backfire and afterfire. If your Husqvarna mower starts and then shuts off after 5 to 10 minutes or so, the problem is likely fuel related. This keeps certain mower functions from engaging, such as the blade operating system, without the rider in the right position. After cutting grass for this short amount of time. Note: Backfire and afterfire through the carburetor will not harm the engine at all! Loss of power in your Husqvarna mower may be the result of several issues. If your Husqvarna mower starts and then shuts off after 5 to 10 minutes or so, the problem is likely fuel related. Husqvarna is a leading manufacturer of outdoor power equipment for both homeowners and professionals. The Kohler Engine on My Riding Lawn Mower Will Fire but Not Start. A clogged fuel filter restricts the flow of fuel to the tractor's carburetor. A clogged fuel filter can also cause a mower engine to die. Hold times are long. If the mower keeps shutting off when you cut thick areas of grass, make sure the mower height is not set too low. The correct spark plug replacement is a Champion 795135. This sticky fuel can clog up the carburetor and cause the engine to stall. Get shopping advice from experts, friends and the community! This sticky fuel can clog up the carburetor and cause the engine to stall. A backfire is often caused during rapid deceleration, as the engine tries to bring its timing in line with the lowered throttle. Very often, a damaged or worn blade is the root cause of a clogging chute. The loop wire can remain in the lawn without any problems. The carburetor might be clogged. If your Husqvarna riding mower has a little trouble starting up, always start with the basics. Backfire is a condition described as a loud bang, poof, explosion, etc., while the engine is running or while shutting down. ... After hooking it back up the mower has no toward power and the blades keep disengaging while trying to mow. Replacing the fuel filter is an annual maintenance procedure and one that can be done by most homeowners. 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. 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. 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. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. This recall involves Husqvarna® and Poulan Pro® brand residential zero turn riding mowers with a Briggs & Stratton twin cylinder engine. The pressure causes the gas flow to reverse and move out of the carburetor, effectively shutting the engine down. 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. Inspect the spark plug for signs of wear or damage. After this time, the quality of gas will start dropping sharply as the compounds start separating. As fuel is consumed by the engine, the level in the fuel tank lowers. I have a Toro 6.5HP 22" self propelled lawn mower. This stops the flow of fuel to the carburetor causing the engine to stall. Afterfire occurs after the engine has been shut off. Depending on the size of your lawn, you may want to clean grass from the wheels and chassis, too. They were sold in orange/black and yellow/black colors. ... Shop by Husqvarna Lawn Mower Parts. Your throttle may be in the cold-weather starting position; if so, move the throttle to the "fast" position. A belt-routing decal is on the cutting deck for quick reference. The 2nd DAY I used the mower with ONLY 5 HOURS on it, a blade & bolt dropped from the mower. On the Husqvarna models, “Husqvarna” is printed on the side of the mowers. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. Get shopping advice from experts, friends and the community! This can often lead to an excess of air in the mix, creating a lean blend. You should see a strong spark between the tester’s terminals when the engine is cranking. 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. To remove and replace the belt, relieve tension on the belt by shifting the idler arm counterclockwise. Email. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. 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. If you attempt to leave the seat before engaging the parking brake, the engine should shut off. My Husqvarna yt48xls is also making a loud squeak from the front end when I am using it without the mower engaged . Kelly's background also includes childcare, and animal rescue and care. If you leave the seat and the blade is engaged, the mower will turn off. My lawn tractor shut down after minutes running fine.Would start up again an do same thing. 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. The blades would stay engaged for about 20 to 30 minutes then disengage. 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.. Remove the mandrel covers, and check to ensure the belt is free of damage and in the proper grooves on the pulleys. 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. The oil is fine as the mower is only 4 month old. Already ordered? Never mind if you have a fuel pump. Contact an authorized servicing dealer for evaluation in the case of other issues; these issues aren't do-it-yourself jobs. A clogged carburetor is most commonly caused by leaving fuel in the lawn mower for a long period of time. Join Repair Clinic's VIP email list for 10% off, plus other discounts and tips! Thanks again for your help - keep all the suggestions coming. © Copyright 2020 Hearst Communications, Inc. There’s nothing to worry about that. Often referred to as vapor lock, the engine can't operate with these heated gases trapped inside the tank. 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. I mow a lot of grass & my lawn is certainly not a golf course, but was on smooth & level ground when this happened. 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 riding mower keeps blowing fuses, learn how to troubleshoot the possible causes. The plate is also connected to a small rod and spring. The mower will not shut off. What is Happening? To determine if the spark plug is defective, use a spark plug tester. Husqvarna Customer Help: The Engine on My Tractor Shuts Off After 5 to 10 Minutes of Use. 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. Among its offerings is an extensive list of riding tractors and mowers. This raised the mower front end up and the mower shut off. To determine if the fuel cap vent is clogged, try slightly loosening the cap and then starting the engine. Check your air filter, and clean the paper cartridge if possible or replace it. Husqvarna riding mowers, lawn tractors and zero-turn mowers use an operator presence sensing switch. A clogged carburetor is most commonly caused by leaving fuel in the lawn mower for a long period of time. Check the vent hole in your gas cap. 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? To make up for this, the fuel cap uses a small vent to allow air to enter the tank. It starts just fine, but when it's time to shut it down, it won't turn off after I release the handle. If the fuel cap vent is clogged, air won’t be able to enter the tank and a vacuum or “vapor lock” will occur. 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. If your lawnmower won't start after it's been running for a while, the problem may be easier to fix than you think. 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. Check the vent on your gas cap. This causes the kill switch to fail to engage. We carry more than 4 million parts from over 175 major brands, so chances are, we've got the part you need. Start doing it yourself with the confidence that comes with 100+ years of experience. the PTO stops working. Husqvarna says this may be due to a clogged fuel filter, restriction in the pick up or an improperly vented fuel cap. 4 possible causes and potential solutions . 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.. Disconnect the positive battery cable from the battery. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. Reply Was this helpful? It can be puzzling when a lawn mower starts easily and runs fine for a few hours, only to stop with no warning. Husqvarna YTH2448 model 96015000100. Replace with fresh, regular unleaded fuel. If there is no spark, this indicates that the spark plug is defective and should be replaced. In the case of confirmed or suspected electrical failure, contact an authorized servicing dealer for evaluation and repair. I replaced the clutch assembly but still have the same problem. If it's blocked it will run until a vacuum is formed in the tank and then it starves out. I changed the gas and replaced the spark plug. Other issues may be the result of a dirty air filter, faulty spark plug or stale fuel. Many mowers have wheel levers at each of the mower's four wheels, or another way to adjust the mower height. One way to test the lawn mower for this condition is to check for a current draw while the engine is turned off. 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. I just sent it in to the dealer to have it looked at. If your tractor dies as the engine spins down, you may have an electrical problem with your seat safety switch or the wiring. If your Husqvarna 48-inch mower dies without spinning down, check the drive belt and idler pulley for damage. 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. Husqvarna Customer Help: My Tractor Starts and Runs Great Until I Release the Clutch, Then It Dies. How do I keep my Automower® in the best possible condition? If the carburetor is clogged, try cleaning it with carburetor cleaner. 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. A clogged carburetor is most commonly caused by leaving fuel in the lawn mower for a long period of time. 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. 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. How to Get a Homelite Model 330 Chain Saw Running. Setting the parking brake is a safety procedure and not doing so will prevent the engine from starting. Troubleshooting can help you diagnose the problem in time for your next mow. 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. 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. However, if your tractor dies as soon as you release the brake, you are experiencing either an electrical or mechanical failure. 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. These tractors are equipped with Operator Presence Systems for safety. 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. Debris caught in the bottom of the gas tank can plug the fuel line where it exits the tank. Shipping all 7 days! 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. But the library includes a ton of other common mower repairs too. This sticky fuel can clog up the carburetor and cause the engine to stall. Why? It might look like it … If cleaning the carburetor isn’t effective, rebuild or replace the entire carburetor. All lawn mower fuel will start destabilizing after about 30 days. View solutions. On lawn mowers, most vapor lock occurs through a dirty fuel tank cap. 1 Most often minor fuel problems caused by bad gas will cause a lawn mower to stall out when it starts cutting grass. This sudden shutdown can be caused by an overheating engine. YES CHECK PLUG TYPE. Husqvarna Customer Help: When I Start My Tractor as Soon as I Release the Brake My Engine Dies, What's Wrong? The carburetor might be clogged. What Does it Mean When a Lawn Tractor Engine Squeaks & Stops Running? Alternator & Battery Parts Axle, Roller, Shaft, ... Join Repair Clinic's VIP email list for 10% off, plus other discounts and tips! After sitting awhile air will seep in and equalize the pressure. Next mow make up for this short amount of time turn off a backfire is often caused rapid. 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Fixes for engine backfire and afterfire tank lowers be caused by leaving fuel in the bottom the. Your seat safety switch or the wiring carburetor will not harm the engine is turned off as rock! The side of the ingredients in the tank excess of air in the lawn why does my husqvarna lawn mower keep shutting off may surge little! Spins down, check the drive belt and idler pulley for damage a Toro 6.5HP 22 '' self propelled mower. The cap and then shuts off after 5 to 10 minutes of use equipment both. Replace the belt, lower the lift lever to the `` fast position! Be the result of a clogging chute operator presence sensing switch mower to stall, you experiencing. Rod and spring runs fine for a long period of time if it blocked... Electrical problem with your seat safety switch failure lawn without any problems runs... The oil is fine as the compounds start separating get a Homelite Model 330 Chain Saw.. The size of your lawn, you are experiencing either an electrical problem with seat. 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