Lawn mower starts then stalls. This can prevent the cord from moving and pulling at it only serves to tighten its grip. You need to remove the cord cover and manually unwind it until the crossed over part has been removed. Common causes of burning oil include over filling the sump with too much oil (4 stroke), too much oil mixed into the fuel (2-stroke), or a leaking cylinder gasket. Featured Video. Pages: 44. If all is well with the compression, check for a sheared flywheel key. This can prevent the cord from moving and pulling at it only serves to tighten its grip. Hydraulic Lock - This may occur if the combustion chamber becomes clogged with oil or fuel. If the spark is working as expected, then check the compression as per your owner manual. If it has not been replaced recently, replace it with the recommended spark plug for your mower. In the case of tools with blades, combustible fuels, and electrical components it is better to be safe than sorry, and always seek the assistance of a qualified repairer. For all the latest in Husqvarna news, events, videos and pics; come on - join in! Once you have checked and cleaned your filters, move on to inspecting the blades to make sure they are not being compromised by excessive grass clippings, twigs, and stones. Inspect your air filter to ensure it is not blocked, and replace it if needed. It is worth noting that, depending on the make and model of your lawn mower, the steps and information contained within this article may not be consistent with your lawn mower. Mower Blade - If the mower blade won't spin freely, then the pull cord may not budge. Husqvarna offers a wide and growing range of products and accessories, including everything from chainsaws and power cutters to robotic lawn mowers. If the blade is damaged, replace them and ensure the mower spins freely, following the procedure in your service manual. If it runs rough, then use your service manual to check the compression. If you're one of those who are guilty of throwing your tools in a shed, you might just benefit from these simple tips for storing your tools during winter. Find the Top Husqvarna Electric Lawn Mowers with the MSN Buying Guides >> Compare Products and Brands by Quality, Popularity and Pricing >> Updated 2021 A fresh set of mower blades will mean you won’t have to run the engine at high RPM to achieve the same cut. We have easy-to follow riding lawn mower repair guides and videos, as well as expert troubleshooting advice in our DIY repair help section. If your lawn mower backfires, it is an indication that your engine is firing at the incorrect time in the engine cycle. Everything from how to clean your Automower®, how to change its blades and when to send it in for servicing. You can find dealers by performing a search above or zooming in on the map. There are no results for your search term. Check and replace the fuel filter to ensure it isn’t blocked. If it runs smoother, the carburettor may need to be cleaned. Backfiring can also occur due to rich or lean fuel mixtures. Pages: 44. Do not attempt to repair any battery power tool. If they are okay, then move on to check that there are no leaks on the head gaskets and that the head bolts are tight. If you aren’t sure, drain and replace the engine oil with the correct grade of oil to the full or high mark on the dipstick, following your service manual. I have checked the metal throttle cable for breaks or disconnects and have found nothing. You can check if this is the case by removing the spark plug, then pulling on the core again. This may occur if the combustion chamber becomes clogged with oil or fuel. 15 possible causes and potential solutions . Empty the fuel from the tank and check the intake system, also check the air filter. The most common cause of this is when the mower is used to cut long grass or particularly dense foliage, or a fault with the battery or motor itself. Husqvarna LTH1542 Owner's Manual 44 pages. Next, check that your fuel is not contaminated and that the carburettor is not blocked. I have a Husqvarna YTH22V46 riding mower. 5 possible causes and potential solutions . Find your model number or log in to select it from your saved machines. The resulting effect is that the cable locks itself down and becomes impossible to move. If your engine is not overheating then check that your oil levels are sufficient and that the oil pressure levels are as per your service manual. ADD TO CART. At this time of year, most gardens are on the verge of entering winter dormancy. Mower Blade - If the mower blade won't spin freely, then the pull cord may not budge. If this is all clear, then you will need to look closer and see if the blades are bent or damaged. Get tips on how to handle and maintain your tools or learn from the professional users. If the cylinder compression pressure is low (refer to your service manual for test procedures and specifications), first, check to ensure that the valve timing and clearances are set correctly. Next, remove and replace your fuel filter in case it is blocked. Husqvarna Lawn Mower Repair Help. If the spark plug is not firing, then there is no way to ignite the fuel to fire up the engine. If the blade is damaged, replace them and ensure the mower spins freely, following the procedure in your service manual. In today’s modern world, we all get busy from time to time. If the backfiring is limited to when you shut off power to the lawn mower, then take a look at your throttle plate. If this is all clear, then you will need to look closer and see if the blades are bent or damaged. 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