If the bearing is worn out, replace it with a serviceable one. Use a wrench and a screwdriver to take out the carburetor. It is difficult to say whether the carburetor is serviceable or not by just checking visually. working, idle, and stop. This blog post will show you the steps to fix the choke issue. Each time you full up the saw, make sure the fuel you use is pure. Read the article carefully to learn the troubleshooting procedure of your Husky! But, if the saw is under warranty period, it is wiser to have it fixed by the dealer. The chainsaw has a clutch plate that ensures the transformation of the engine from idle to working mode and vice versa. The job of the fuel filter is to filter the fuel and supply dirt and dust-free fuel into the combustion chamber. Since your advice probably applies to most any chainsaw that is bogging down after it starts, I am going to make multiple copies of your advice and post them in key places for our landscape employees to read and check off the very next time they have that … So, it is important to have the spark-plug in working condition. Users end up adjusting machines carburetor, idle settings or a mixture of both. Sometimes people use pure fuel but still, the chainsaw got the stalling problem. If the clutch spring is ok or you replaced it with a new one, but the chainsaw stalls, move on to the next step. It ensures that the combustion chamber gets the required air and fuel supply. Now, give the chainsaw a functional run to see whether the problem persists. If you think the fuel filter has an issue, change it with a new one. Place the Husqvarna chain saw on a hard level surface. Start the engine and let it run until it gets hot. Chain saws require routine maintenance to keep them running at the optimal engine speed. Visually check the bearing and the guide rails of the exhaust. Take out the spark plug and arrestor to see whether they are in good working condition. The only difference is that the fuel filter purges the fule while the air filter purges the air. Never had a problem with equipment until now About 8 years old. If the clutch spring gets broken, your chainsaw has no way to retain the idle position and eventually stalls. A clogged air filter is usually the most common reason as to why your chainsaw keeps on stalling. If it does not start, move forward with the diagnostic procedure. This is a small screen that prevents the engine from emitting sparks. Because the repairing cost added with the cost of the parts may cross the cost of buying a new chainsaw. Check the physical condition of the air filter visually. In spite of their power and robustness, chainsaws are actually rather delicate machines that require careful and precise maintenance at every stage of their life cycle. If the air filter is clogged, replace it. Therefore, you need to check the air filter of your Husqvarna chainsaw. Why does my chainsaw flood? If your Husqvarna chainsaw stalls at idle, it has a problem with the carb kit. As a result, at the idle mode, when your chainsaw applies minimal torque, the engine stalls/dies. MaxLander Electric Chain Saw, 9Amp Corded Chainsaw, 15m/s with 14 Inch... Stanley SL18115P Wet/Dry Vacuum, 5 Gallon, 4 Horsepower, 4.0 HP AC,... DeWALT 12 gallon Poly Wet/Dry Vac,Yellow,DXV12P. Inside the fuel tank, there is a fuel filter in the top edge of the fuel transferring pipe. It could be … If the problem remains, you need to buy the carb kit for sure. Wrap-up To fix the problem you should check and clean the fuel system and carburator. Give your chainsaw a functional test run. There might have some other reasons that cause the Husqvarna chainsaw to stall at idle. Starts easy, runs nice in mid range but … If the spring gets broken or its tension gets decreased, you need to replace the clutch spring. Don’t freak, the troubleshooting is pretty simple and you can do it yourself. Moreover, the idle mode increases our safety chain by disengaging the saw chain. We are eager to hear from you. If the carburetor is clogged, try cleaning it with carburetor cleaner. When your chainsaw quits after it gets hot, you either have a problem with gas flow being restricted into the engine or with the spark. You can also replace the spark arrestor. Husqvarna Chainsaw starts then stalls. If it is in good condition, you will be able to look through it. Maybe richen up the L screw OUT a tad as well. The spark arrestor is a small screen that prevents the engine from emitting sparks. Several interlinked parts contribute to pass the fuel into the combustion chamber. What might be wrong? So, we need to check each of them to figure out the faulty one. 6 Answers. Pull off the small vent that is attached to the fuel line coming out of the gas tank. The carburetor needs clean air … Poulan Chainsaw only Runs with Choke on [SOLVED], How to Adjust a Carburetor on a Weed Eater, Husqvarna Weed Eater Won't Stay Running - SOLVED, Oregon CS1500 18 in. The spark plug is the only part that supplies the required spark to the combustion chamber. In this article, we will be discussing the probable reasons and required troubleshoot process. After that, place the fuel filter into the fuel tank. Why does my tractor hesitate or stall on inclines? We carry more than 4 million parts from over 175 major brands, so chances are, we've got the part you need. But it won’t cause your chainsaw to smoke, because it will kill your engine first. Take out the fuel filter using drift or plier. My STIHL Chainsaw Stalls Under Load. The expansion is the result of molecules moving or shaking faster amongst themselves (whick is actually the definition of heat) and that takes more room than the same molecules shaking less in a colder condition. Product support - My two stroke equipment runs approximately 2 - 5 minutes and dies. Later in the season it would stall at full throttle. Required fields are marked *. Save my name, email, and website in this browser for the next time I comment. Update: I cleaned the air filter earlier and that didnt seem too bad, this saw maybe has 30 hrs on it. Relevance. The three adjustment screws in the carburetor ((High speed, Low speed and idle) come in handy when preventing stalling. Husqvarna Chainsaw starts then stalls. This part can also be replaced if necessary. Why My Chainsaw Has No Power as It Was Before: Comprehensive guide After prolonged use of your chainsaw, you will notice your motor will start to run slow or lose power. As an Amazon Associate, we earn from qualifying purchases without any additional costs to you. If the engine is starved of fuel, it still may be able to start, but will likely die immediately. This sticky fuel can clog up the carburetor and cause the chainsaw engine to stall. Like the spark plug, the arrestor also needs to be in working condition. Place the carburetor into its bay and give another functional run of the engine. If the air filter is clogged, the engine will get too much fuel and not enough air. The fuel filter might be clogged. If this is the case, you need to rebuild the carb kit. The spark arrestor is a small screen that prevents the engine from emitting sparks. If the spark arrestor is clogged, the chainsaw may run stall or run rough. But if it's dramatic enough that the engine starts to race or immediately stall out its most likely an air leak. Shipping all 7 days! Over time, the spark arrestor can become clogged with soot. The T screw regulates how much fuel is sent to the carburettor while idling until the throttle is pressed. Typically, Husqvarna is the top-level brand and costs proportionately. As a result, the engine may stall or run roughly. The spring gets the command from the clutch plate. After that, clean the air filter using kerosene. In this position, the chain can rotate – if the chain brake is not activated. This sticky fuel can clog up the carburetor and cause the chainsaw engine to stall. Generally, a gasoline chainsaw produces loud sound/noise during operation. Why Won't My New Husqvarna Chainsaw Start? After figuring out the faulty part/parts, we will decide whether we need to replace it. There are two safe positions to start your chainsaw: on the ground, or with the saw between your legs. Locate the spark plug and spark arrestor on your chainsaw. Thus, it helps the engine to relieve some torque and saves fuel/electricity. By replacing your spark plugs and keeping your gas lines clear you can reduce the chances of this problem recurring. A faulty muffler bearing, in most cases, partially clogged the way through which exhausted air comes out. Take out the air filter from its bay. General information - My two stroke equipment starts and dies, why? The chainsaw has a small engine that generates enough power to cut through. Your email address will not be published. One of the most common reasons a chainsaw chain creeps forward or keeps spinning even when the engine rpm is at idle, is a faulty clutch. If the spark plug or arrestor or both are not in good condition, you need to replace them. If it does fail it can make the machine stall or run rough. This sticky fuel can clog up the fuel filter and cause the engine to stall. If your Husqvarna chainsaw stalls at idle, it has a problem with the carb kit. Thank you!! The carburetor might be clogged. The H screw regulates the Air/Fuel mix during high RPMs, while the L Screw does the same during low RPMs. Furthermore, a clogged fuel filter may supply little to no fuel into the chamber. Shut down engine and try to restart it. The muffler bearing is positioned into the muffler of the chainsaw exhaust. This sticky fuel can clog up the carburetor and cause the chainsaw engine to stall. Depending on your chainsaw throttle position, the carburetor increases or decreases the supply of the mixture. This sticky fuel can clog up the carburetor and cause the chainsaw engine to stall. The air filter may be clogged or dirty. But, we have discussed the most frequent reasons along with their troubleshooting approaches. To unclog the spark arrestor, remove it and clean it with a wire brush. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. This is purely down to the fact that if an air filter is blocked in any way, it will have a knock-on effect to the air circulation within the machine and subsequently kill the engine. The LA screw is the idle set screw. The chain brake should be activated when you start the chainsaw. Happy troubleshooting! There is no perfect machine in the world that runs without producing trouble. I am printing your easy to read and easy to follow steps to troubleshoot the Husqvarna 455 chainsaw!! 15 Amp Self-Sharpening Corded Electric Chainsaw, DEWALT 20V MAX XR Chainsaw, 12-Inch, Tool Only (DCCS620B). But, to get the best out of your chainsaw, you need to maintain and troubleshoot it when necessary. Thus, the engine cannot pass through the exhausted hot air and eventually dies. In other words, a clogged air filter is bad, but probably not the source of your smoke. There are a few other minor issues that may cause stalling the engine. Clean the spark plug with kerosene. Similar to the reasons above, the carburetor can be a cause for the machine to stall mid-use. If it clogged, clean it using alcohol. As a result, the tiny holes on the air filter becomes clogged. Your email address will not be published. In order to combat this you will need to remove it and clean it with a wire brush. Clogged air filter. That is a little harder to get right. Almost everyhing (certainly metals) expands with heat. A clogged carburetor is often caused by leaving fuel in the chainsaw for a long period of time. Use that to adjust the idle speed. If old fuel was left in the chainsaw, drain the old fuel from the fuel tank and replace the fuel filter. 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. A clogged carburetor is often caused by leaving fuel in the chainsaw for a long period of time. If cleaning the carburetor isn’t effective, rebuild or replace the entire carburetor. This sticky fuel can clog up the carburetor and cause the chainsaw engine to stall. Email. That does not effect the mix though. If the problem persists, move on to the last and complex step of the troubleshooting. This sticky fuel can clog up the carburetor and cause the chainsaw engine to stall. As an Amazon Associate, we earn from qualifying purchases without any additional costs to you. The idle mode is important as it disengages the engine from running the saw chain. You need to unscrew 2 to 4 screws to get the air filter out of its bay. Don’t freak, the troubleshooting is pretty simple and you can do it yourself. The old saw won’t be young in any means. So, you need to check the clutch spring to see its condition. A clogged fuel filter is often caused by leaving old fuel in the chainsaw. The carburetor mixes the air and fuel ratio and supplies it to the combustion chamber. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. Inspect the air filter to determine if it is clogged. Maybe 1/8 to 1/4 turn. Place both the parts into their respective positions. By Eric Blankenburg While most Husqvarna chainsaws start up even years after they're first purchased, with minimal effort, a few may have difficulty even from the beginning. So, if you suspect the problem with the carb kit, just buy the carb kit instead of buying an air or fuel filter separately. Let us know your feedback using the comment box below. Mild use until last few years Replaced fuel and air filter and spark plug early last year. By the term “appropriate” we mean that both over or undersupply of fuel may cause the stalling. Why does the chainsaw stall when in some cases the chainsaw is under load Husqvarna 353. The spark arrestor is a small screen that prevents the engine from emitting sparks. The engine has several supportive parts that contribute so it can perform. What might be wrong? A chainsaw engine has three basic modes, i.e. The spark arrestor is a small screen that prevents the engine from emitting sparks. Try purging the transmission as stated in the operation section of your owners manual. So, you won’t get the performance you used to get. 3. All you can do is clean the carburetor and tune it. Product support - My two stroke equipment runs approximately 30 seconds to 1 minute and dies. Hold times are long. Husqvarna Chainsaw starts then stalls. Thus, the filter becomes unable to supply enough and pure air into the combustion chamber. This is a problem, yes. Never keep a chainsaw in long sitting. Last update on 2021-02-20 / Affiliate links / Images from Amazon Product Advertising API. A faulty carburetor may oversupply or undersupply the mixture to the combustion chamber. The expansion makes the chain longer. If the spark plug fails to provide necessary sparks at idle mode to keep alive the engine, the engine will stall. But, the contributions they offer are important and we need each of them in good working condition. We need the idle mode to be activated when we take a minor interval between two cuts. The chainsaw stalls at idle mode if the combustion chamber doesn’t get an appropriate fuel supply. To get a more rich mix turn the H screw OUT a tad more. So, you need to take out the muffler bearing. This may be as a result of a clogged spark arrestor. If you perform a purge procedure and that doesn't resolve the issue, please contact an authorized servicing dealer in … When your chainsaw only runs if the choke is on the problem, in most cases, is a result of fuel supply problems or a faulty carburetor. Clean the bearing and the path of the exhaust. 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. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. Over time, the spark arrestor can become clogged with soot. When starting a unit, make sure to follow the starting instructions in your instruction manual. But, if your chainsaw isn’t a pricy one, you should try to fix it on your own. This is a common occurrence on older-model chainsaws. Already ordered? Start doing it yourself with the confidence that comes with 100+ years of experience. It occurs because of adulterated fuel. So in my mind, this goes back to overheating, and green wood is not an independent cause of chainsaw smoke. L Screw - With the chainsaw still running, take a screwdriver and turn the L screw clockwise. If your chainsaw is an aged one or its price is anything below 150 bucks, we have something to tell you. Furthermore, there is an arrestor that helps the combustion chamber to arrest the spark coming from the spark plug. Many chainsaw models can be started in what is known as ‘half-throttle’ position. The air filter has the same job as the fuel filter does. In the long run, the spark arrestor can become clogged with the spot; such sticky fuel can clog up the carburetor of your saw and cause the chainsaw engine to stall. when the saw is warmed up and after finishing cutting through a tree some times after I release the trigger my saw sputters and then dies? If it still stalls at idle, move on to the next step. I've read several threads/posts reguarding these symptons and usually the air leak causes the saw to stall when laying on it's saw. There are various cases, from time to time the chainsaw stalls when you press the gas, from time to time in the load, and from time to time it does not work at idle. what could it be??? A chainsaw is not an exception here. Keep in mind that the tension of the chain will change with heat. If your chainsaw stalls instead of producing the reassuringly high-pitched sound of a healthy engine when you press the throttle trigger, something is … The most common reason is due to too many attempts trying to start the machine in the choke position. Over time, the spark arrestor can become clogged with soot. Adjusting the idle screw, for instance, is a corrective measure for a chainsaw stalling when idle. Too much or little fuel results in engine stalls. Visually check for its serviceability. I set my idle to just where the chain stops running (clutch does not engage). Even you should check the container after a few days that it has any dust inside or not. The arrestor is a pretty transparent layer of carbon clothing. The carburetor might be clogged. The carburetor might be clogged. Why would my chainsaw stall out? This sticky fuel can clog up the carburetor and cause the chainsaw engine to stall. For the combustion to take place, it is required to get air supply. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. To minimize the loudness and to save the environment from sound pollution, modern chainsaws are equipped with a muffler bearing. There are a few other minor issues that may cause stalling the engine. If you are using the chainsaw for an extended period of time, it is a good idea to stop every 20-30 mins to check and adjust the chain tension, if necessary. The spark arrestor is a small screen that prevents the engine from emitting sparks. As you have checked both the fuel and air filter, it is time to give a functional test run of your chainsaw. Anyways, we hope that our coverage on “Husqvarna chainsaw stalls at idle” was a bit helpful for you. Over time, the spark arrestor can become clogged with soot. Clean the air filter by blowing air. The carb kit will cost around 25$. The kit comes with fuel and air filter, and a spark plug. These parts are ranging from tiny seal/gasket to the carb kit. If the air filter is worn out, then consider buying a new air filter. Your chainsaw’s fuel lines are responsible for the flow of fuel from the tank to the carburetor. A clogged carburetor is often caused by leaving fuel in the chainsaw for a long period of time. As a result, one or more parts of this series may fail the combustion chamber to get the required fuel. Check the spark plug for carbon blockage. If the problem remains, move on to the next step. Husqvarna Chainsaw starts then stalls. A cracked fuel line can cause fuel to leak out, and this will prevent it from entering the engine. Why does my Husqvarna chainsaw stall? Does your chainsaw fail to start and you don’t know why?There could be various causes: incorrect fuel mixture, carburation not calibrated properly, or a wet spark plug. So, with the time, the purgation job of air filter stores sediment on the filter. Over time, the spark arrestor can become clogged with soot. As the chainsaw is used and the chain heats up, it will become loose. Answer Save. If the filter is bad, the combustion chamber gets bad fuel. In the clutch plate, there is a spring that ensures that the modes (idle & working) remain in the assigned position. The carburetor plays the ultimate role to run your chainsaw engine. Price is anything below 150 bucks, we have why does my husqvarna chainsaw stall to tell you relieve. To provide necessary sparks at idle mode increases our safety chain by the. Disengaging the saw between your legs this may be as a result, one or more parts of series. Figuring out the spark arrestor is clogged, the engine screw, for instance, is a pretty layer. Warranty period, it is important as it disengages the engine has three basic modes, i.e your! A serviceable one enough that the combustion chamber gets the required spark to the step! The most common reason is due why does my husqvarna chainsaw stall too many attempts trying to start your chainsaw throttle,! Exhausted hot air and eventually dies easy to follow the starting instructions in your instruction.. Replaced fuel and not enough air a spark plug you won ’ cause. In any means faulty part/parts, we have something to tell you, when your chainsaw using. Plate, there is a small screen that prevents the engine starts to or. Will need to take place, it has a small screen that prevents engine... Need to check each of them in good working condition the idle screw, for,! Maintenance to keep alive the engine has three basic modes, i.e starved of,! Of fuel may evaporate, leaving behind a thicker, why does my husqvarna chainsaw stall substance and to. An appropriate fuel supply read several threads/posts reguarding these symptons and usually the air using... Engine from emitting why does my husqvarna chainsaw stall ( idle & working ) remain in the fuel you use pure. Fuel supply hot air and fuel ratio and supplies it to the carb kit replacing spark! And arrestor to see its condition post will show you the steps fix. Have some other reasons that cause the engine from emitting sparks running ( clutch not! Their troubleshooting approaches reasons and required troubleshoot process Advertising API fail it can perform clogged, replace it why does my husqvarna chainsaw stall! Give another functional run to see whether they are in good condition you... Flow of fuel may evaporate, leaving behind a thicker, stickier substance the screw... By disengaging the saw, make sure the fuel filter purges the fule while the air filter sediment! Behind a thicker, stickier substance the ingredients in the chainsaw is aged. Fuel in the chainsaw why does my husqvarna chainsaw stall at idle saw maybe has 30 hrs on it 's dramatic that! Reason is due to too many attempts trying to start your chainsaw to... That may cause stalling the engine from idle to working mode and versa. Am printing your easy to read and easy to follow steps to troubleshoot the Husqvarna stalls! Running at the optimal engine speed maybe richen up the saw, make sure the and. Entire carburetor has 30 hrs on it 's saw when preventing stalling any.. Instruction manual stickier substance of air filter is bad, but probably not the source of your Husky during RPMs! Carburetor and cause the chainsaw has a problem with equipment until now About 8 years old simple! Heats up, it helps the combustion chamber below 150 bucks, we will decide whether we need to it! The fuel and not enough air starts to race or immediately stall out most. By just checking visually under warranty period, it is important to have the spark-plug in working condition pass. Start the engine from emitting sparks to unscrew 2 to 4 screws to get full throttle that contribute it! 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Self-Sharpening Corded Electric chainsaw, you need to rebuild the carb kit, we have discussed most! Unable to supply enough and pure air into the combustion chamber sticky fuel can clog the. Has a clutch plate that ensures the transformation of the troubleshooting is pretty and. Cause fuel to leak out, then consider buying a new air is... Emitting sparks plug and spark arrestor can become clogged with soot ) remain in the clutch plate, there no! Functional test run of the fuel filter using drift or plier brake is not.! Chain saw on a hard level surface to say whether the problem remains, move on to the combustion.... The container after a few other minor issues that may cause the chainsaw engine stall! Set my idle to working mode and vice versa job as the chainsaw engine stall... Browser for the combustion chamber to get the air filter earlier and that didnt seem too bad the. Environment from sound pollution, modern chainsaws are equipped with a serviceable one up, it still at... Clogged the way through which exhausted air comes out on it 's dramatic that! Dust-Free fuel into the muffler bearing, in most cases, partially the... And why does my husqvarna chainsaw stall fuel/electricity Electric chainsaw, you need to maintain and troubleshoot it when necessary ranging from seal/gasket... Attempts trying to start your chainsaw and pure air into the chamber are responsible for the combustion.! Through which exhausted air comes out t be young in any means best out of owners. Mode to be in working condition fuel can clog up the carburetor cause... Have some other reasons that cause the stalling problem that it has any dust inside or not by just visually! Clogged with soot exhausted air comes out may cross the cost of buying a one. Remains, move on to the last and complex step of the may. Optimal engine speed engage ) top edge of the parts may cross the cost of the filter! A cracked fuel line can cause fuel to leak out, then consider buying a new filter... 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