how to start a chainsaw that won't start

And while you’re cleaning the chainsaw, cover the carburetor throttle with tape. That happens after you have been using the chainsaw for a while. Then, press down the primer valve several times if your chainsaw has one, and set the master control to the cold start setting. The spark plug is one of the first parts that you should check if your chainsaw won’t start. When the chainsaw doesn’t start, then there might be a problem with the air filters. If you see any thick substances around or near the carburetor, make sure to carefully clean it using carburetor cleaner. If the spring seems faulty, you may need to replace it with new rewind springs or purchase a new recoil starter assembly. You also need to make sure that the tank is clean and that the fuel mixture in the tank is the right one. Fuel can prevent a chainsaw or any other engine from starting. If the recoil starter assembly is defective, the engine won’t turn over and the chainsaw won't start. These are elements like the rewind spring and recoil starter pulley. Check the coil and springs. Many chainsaw models can be started in what is known as half-throttle position. If the engine of your chainsaw is not convertible from cord start to an electric start then you can start it with an electric drill. If the tool stalled and does not start, first check the presence of fuel in the tank. Give it another 20 minutes to cool down and then try again to start it. You should change the fuel filter after a certain number of hours of use. Determining the source of your chain saw's problem will help you understand what it takes to get it fixed. If your Stihl chainsaw will start but refuses to keep running, the problem could have several causes. Remove the spark plug from the cylinder, and insert it into the rubber boot on the end of the wire. Read on to learn exactly what you have to do to fix your Poulan Chainsaw. Repair Clinic: Chainsaw Won't Start Poulan Pro: Instruction Manual Chris Deziel Chris Deziel is a contractor, builder and general fix-it pro who has been active in the construction trades for 40 years. However, these two-stroke engines were designed to minimize the number of parts that can lead to engine failure. Just like all machines, regular servicing of all the chainsaw components will help it to work optimally. The clutch pads come already mounted on the clutch plate. One of them must be the problem. Many people use the wrong starting procedure and say that their Stihl Chainsaw not starting. That will cause the chainsaw to stall or not start at all. How To Troubleshoot A Chainsaw That Won't Start, By creating an account you agree to the Hunker, Chainsaw Journal: Definitive Chainsaw Starting Guide. Does the gas tank if it contains enough gas? From experiencing difficulties with getting the engine to fire to a chainsaw engine that won't rev properly, three basic areas may be responsible. This problem might be caused by a couple of factors. If they are worn-out, they will allow the air-fuel mixture to escape during compression. Service technicians are expected to rely on their knowledge and experience when faced with a situation where no service information is available. Stihl chainsaw is a clear choice for many homeowners and professionals due to its design and performance. Remove the starter assembly and observe closely if it is functioning properly. You may be tempted to do so when the clutch pads are worn-out and you see the chain turning slowly. He has degrees in science and humanities and years of teaching experience. Common solutions for: Chainsaw won't start. Clogs can happen when you leave fuel in the chainsaw for an extended period, such as over the winter. If the carburetor fuel passages are blocked because of suspended particles in the incoming air or fuel, then it will fail to function properly. You must not use such fuel because it breaks down after a while to form corrosive acidic by-products. Wear leather gloves, set the engine onto the ground and locate a grounded metal point on the engine block. That will cause the remaining mixture not to gain enough heat from the compression process to combust when the spark occurs. They are used to create a compression zone above the piston head. When your chainsaw won't start, another potential culprit is a faulty recoil starter. At last, I found an … Shtil chainsaw does not start: causes and solutions. First of all, it is worth noting the fact that the chainsaw 180 of this manufacturer is one of its best “creations”, but it also has its drawbacks. Remove the starter assembly and inspect it to see if it is functioning properly. They include; Defective spark plug; Clogged Carburetor; Defective Ignition coil; Defective rewind spring; Check all these parts if the chainsaw won’t start. You can change the rings if you notice that the exhaust gasses are bluish. The spark plug produces the spark that ignites the air-fuel mixture which then burns in the combustion chamber. Farmers Insurance Omaha - November 5, 2020 Thank you so much. The recoil spring is also supposed to recoil and pull back the rope once you release it. You need to then change it for the engine to benefit from the fresh oil’s cleaning and lubricating properties. If the fuel line from the tank to the carburettor is kinked or split, replace it. You need to make sure that there is enough fuel in the fuel tank. If the porcelain insulator is cracked, an electrode has been burned away or damaged, or there is heavy carbon buildup at the electrode, replace the spark plug. Knowing how it works helps you to identify components that for one reason or another, are not functioning properly. If you do not, it is possible to find yourself using parts that will wear out faster and in the process make the other parts to fail as well. It seems like an obvious step, but make sure you have enough fuel in your chainsaw to get it started. It could also be formed when fuel does not burn completely. Hunker may earn compensation through affiliate links in this story. The engine won’t turn over and the chainsaw won’t start, if the recoil starter assembly is defective. Check the fuel line and fuel filter to ensure the chain saw is getting enough fuel. If it starts up you likely have a fuel system problem, but if it doesn't start, your ignition module or coil is likely almost finished. If you have cleaned it and still that does not help, you should consider replacing it. The spark plug produces the spark that ignites the air-fuel mixture which then burns in the combustion chamber. A faulty recoil starter will prevent the above actions from happening and therefore the engine will not start. The following diagnosis is that of the spark arrester. The air filter can prevent the engine from starting if you do not replace it on a regular basis. Chainsaw stalled and won’t start. When diagnosing the issue, it’s important to remember to wear safety equipment and hold the chainsaw correctly as it can suddenly re-start at any moment. 01 - Spark Plug. It could also set you back financially for repairs. Sometimes a chainsaw will sputter right after it starts, which you can help to inject more fuel into the engine by … Remove the starter assembly and inspect it to see if it is functioning properly. So the combustion chamber doesn't get enough fuel, and as a … Activate the choke by moving the lever to the full choke position and pull the starter rope 3 or 4 times to start the engine. While doing the following troubleshooting steps, it is best to practice caution. And we also find out the solutions to fix it easily. Let's talk about these common reasons that don't start chainsaw after sitting. That causes it to create a backpressure that prevents the exhaust fumes from escaping fast enough. The rewind spring, the recoil starter pulley, and the magneto assembly consist of electromagnet windings and a magnet, are the three main parts of the recoil starter. You can also check to see how fast the spark plug gets soot deposits. Chainsaw letdown is real. If your Stihl chainsaw won’t start, we are going to show you how to troubleshoot it, and how to fix it. You probably think chainsaw won't start after sitting when you are going to cut anything. Try and start the chainsaw again. If the engine of your chainsaw is not convertible from cord start to an electric start then you can start it with an electric drill. Make sure air filters are not dirty; Check the clutch pads. The same happens when you push the primer bulb excessively. Problem seems to be that there is no spark at plug. Check them and replace them as required. If the recoil starter assembly is defective, the engine won’t turn over and the chainsaw won't start. 5. To fix these you will need to replace or rebuild these parts. That lowers the quality of the fuel and makes it difficult to turn on the chainsaw. When you pull the starter rope, tabs extending from the pulley and cam should grab the hub on the engine, causing the engine to turn. Sometimes the Chainsaw won’t start because of a clogged oil fuel filter. My ,almost new, McCulloch chainsaw (38cc 14inch bar) worked perfectly the first three times I used it but now won't start. It might be the first time you’ve started your chainsaw that day, or … When you use the fuel filter for a while without replacing it, dirt's stuck it and gets clogged, and only a little amount of fuel passes through it. The top seven reasons a new chainsaw won’t start. If your gas chainsaw won’t start, it might be a result of one of these five issues. The Chainsaw Won't Start A non-starting chainsaw can be caused by several issues. They include; Defective spark plug; Clogged Carburetor; Defective Ignition coil; Defective rewind spring; Check all these parts if the chainsaw won’t start. Required fields are marked *. You can use a multi-meter or ignition coil tester to check for continuity in its circuit windings. A special spring is probably the most common easy-start feature you’ll find on chainsaws. Before you scrap the chainsaw or send it somewhere for expensive repairs, first try these common fixes to troubleshoot your tool. Accidentally skip a service here and there, and any chainsaw may start to develop problems. Activate the choke by moving the lever to the full choke position and pull the starter rope 3 or 4 times to start the engine. If you find that it has a shot or its windings are not continuous, then you should replace it. Make sure the hole is facing away from you when the plug comes out. Spark plug. The spark plug might be defective. To prevent that from happening, you need to change the spark arrestor after every 24 hours of operation. The continuous wear of the metallic parts causes the metal powder generated to get deposited in the oil. The spark plug is one of the first parts that you should check if your chainsaw won’t start. 63 Posts . We have made this guide to help you troubleshoot problems, and take steps to repair your chainsaw. So what’s wrong with a chainsaw that won’t start after sitting? Such parts include fuel filters, air filters, spark plug, starter assembly, and the ignition coil. Fortunately, resolving any of them will only require using some simple tools … Check out the technical errors and damages why your chainsaw won't start with starting fluid and spark. When that happens, the chainsaw will not start. As with any piece of power equipment, a chainsaw requires regular maintenance to keep it running smoothly. One of the greatest precious parts of the chainsaw to make it start is the ignition coil. When you pull the starter rope, tabs extending from the pulley and cam should grab the hub on the engine, causing the engine to turn. However, If the Poulan chainsaw won't start, here is what to do! Fill the tank with fresh fuel if the fuel the fuel had been in the tank for several weeks or months. You may face difficulty to start your Chainsaw because of the clogged oil fuel filter. The layers of soot will be formed from partially burnt components that were in the dirty air-fuel mixture. The recoil starter is made up of multiple components that trigger the engine's operation once you turn on the chainsaw. You will need to have the carburetor opened and cleaned for the chainsaw to work again. If the brake is not activated when starting one of these models, the chain may rotate. You will notice that the chain is turning slowly even though the chainsaw engine is running at maximum speed. If you haven't used a chainsaw many times before or are new to a certain brand or model, it's worth checking to make sure you have the hang of starting this particular tool. If any of these is the case, you should replace the spark plug. You should also ensure that the fuel tank is clean and the fuel in use is fresh fuel. If by any means, though, you have Stihl Chainsaw starting problems, you can follow the above tips to get things back to normal. The compression rings are found on the upper section of the piston head. Cold temperatures worsen the problem, to avoid fouling the spark plug, flooding the engine, and generally make it difficult to start your chainsaw, always use fresh fuel. Why won't you Start Chainsaw after Sitting? Check the ignition coil; Does the coil starter works ok? Parts such as the chain get exposed to lots of wear and tear; you need to replace them if you notice a drop in performance of the chainsaw. If cleaning does not work, then place to replace the carburetor. When you pull the starter rope, tabs extending from the pulley and cam should grab the hub on the engine, causing the engine to turn. You should change the fuel filter after a certain number of hours of use. It could be because of poor maintenance, it could be because of the wrong gas, or it could be an internal part is broken. If you have pulled on the cord until your shoulder feels ready to pop out of its socket, and that engine still won’t rumble to life, you have a problem. Once you have checked for fault in these components, it's time to fix the problem. Push the throttle halfway and pull the starter rope till the chainsaw is running. An avid craftsman and musician, Deziel began writing on home improvement topics in 2010. Then, if it still doesn't give off a spark, try cleaning it with a steel brush to get rid of any corrosion. If either of these parts is broken or worn-out somehow, your chainsaw won't start so the chainsaw needs maintenance. You should also check if the carburetor is clogged. Pull the starter cord sharply If the starter isn’t pulled sharply and with some force, the saw wont start. Servicing should be done after every 25 hours of use. While the air can escape via the exhaust valve, the fuel will not. A lot of people don't even know that a chainsaw has a spark arrester. If the engine doesn’t start after 15 pulls, you have to remove spark plug and replace it with a new one. 1comment. Unfortunately, a saw that won't keep running often has a carburettor problem that requires a visit to a repair shop. The most common reasons a Stihl chainsaw won’t start, is because of a bad spark plug, or a worn carburetor. Air forms the bigger portion of the air-fuel mixture; dirty air will easily cause the combustion chamber to be filled with thick layers of soot. Air locked fuel system; Choke not on ; Primer bulb not pressed ; Flooded engine; Incorrect gas mix ; Bad gas; Plug wire disconnected; By the end of this page, you’ll know why your saw won’t start and you’ll know how to fix for free, today. There could be more complicated problems like fuel intake, and low engine compression. If the recoil starter assembly is defective, the engine won’t turn over and the chainsaw won't start. When you pull the starter rope, tabs extending from the pulley and cam should grab the hub on the engine, causing the engine to turn. All chainsaws are a little different. My chainsaw Won’t Start: How to Fix This: Check the spark plugs. Press the fuel pump for easy viewing of the fuel level. The spring resets the recoil and reduces the resistance you feel when pulling the starter cord. If the chainsaw is on a flat surface, put your right foot on the handle while your left-hand holds the top of your chainsaw. If you chainsaw hasn't started by following the quick start guide above, there's a couple of things you need to check. Save my name, email, and website in this browser for the next time I comment. You need to make sure that you use only original spare parts that have been optimized to work with your particular model of your chainsaw. The electric spark occurs when an electric current jumps across the spark plug gap. Connect it with its cable, and then ground it by touching the body of the chainsaw. It is a common problem nowadays. If the recoil starter assembly is defective, the engine won’t turn over and the chainsaw won’t start. Step 5 If the chain saw still doesn't start, bring it in to a Poulan repair shop. Why Your Poulan Chainsaw Won't Start?- Ultimate Direction. If this is the case, find the choke and pull it out as much as possible. Therefore, the chainsaw won’t start, and you should, therefore, clean the carburetor with a carburetor cleaner and replace the fuel after cleaning it. Check the Carburetor . Again, run the chainsaw until it quits and then squirt a little starter fluid into the open choke valve, underneath the air filter. While doing the following troubleshooting steps, it is best to practice caution. No matter which starting method you choose, remember that the chain brake should always be activated. The Ignition Coil. Check to see if the spark plug is defective. When that happens, the fuel-air mixture will not ignite, and if it does, it will burn poorly. Make sure that your fuel filter is clean, up to date and allowing for an easy fuel flow. The most common issue is that the spring inside isn't operating correctly, meaning that it won't push the other parts of the chainsaw into motion as it's pulled and released. The top five reasons your saw won’t start after sitting include: Bad gas ; Clogged carburetor; Plug fault ; Flooded engine; Faulty armature; On this page you’ll learn all about the most common reasons your saw won’t start, you’ll learn how to diagnose your problem quickly, and how to fix it. If the temperature drops below freezing then it’s going to be a good idea to bring your chainsaw inside a heated part of your home. What might be less obvious is that too much fuel can flood your engine and prevent your chainsaw from starting. Sometimes the Chainsaw won’t start because of a clogged oil fuel filter. Actually, about which we will talk now. How to fix a chainsaw that won’t start. Give it another 20 minutes to cool down and then try again to start it. The oil after some time passes the recommended suspension volume of the waste metal powder. You can remove it and figure out whether the porcelain is cracked, the electrode is damaged, or has a heavy carbon build-up. That means it will not deliver the right air-fuel mixture ratios or it will simply not deliver enough air-fuel mixture. 7. First, always operate under the assumption that your chainsaw could start at any time, even when it seems like it never will. You must buy a four-inch square head bolt that has a shank that can fit in your drill chuck. Several issues with your recoil starter, also referred to as the pull cord or chainsaw rope, can lead to your chainsaw not starting. Your email address will not be published. The recoil starter is made up of multiple components that trigger the engine's operation once you turn on the chainsaw. Without it, the chainsaw won’t start. What happens is that a richer fuel-air mixture gets delivered into the combustion chamber. My chainsaw Won’t Start: How to Fix This: Check the spark plugs. By that time, the alcohol that it contains in the form of ethanol will have absorbed a significant amount of moisture from the air. The most common reasons a Stihl chainsaw won’t start, is because of a bad spark plug, or a worn carburetor. That leads to build up of exhaust gasses in the chainsaw’s combustion chamber and prevents the fresh air-fuel mixture from burning properly. To determine if the spark plug is defective, remove the spark plug and inspect it. If your Chainsaw won’t start, there are common problems that you can check and troubleshooting steps that you can try before taking your chainsaw for servicing. Holding the throttle too long – when the chainsaw starts up, you will hit the throttle briefly one time to achieve idle speed. Check the Spark Plug. Most saws likely won’t start on the first attempt but should on the second or third attempt. If it's broken or damaged somehow, even your new chainsaw won’t start. This way, it’ll start the first time and will work seamlessly once you head outside. A McCulloch chain saw that won't keep running may have a major problem. A chainsaw is one of the most reliable tools for the homeowner and the professional, but it becomes a massive problem if chainsaw won’t start. If there is soot, clean the spark plug points with a wire brush. Flip off the on/off switch. How do you fix a chainsaw that won't start regardless of all efforts? What happens is that during the dry season, sparks from the engine’s exhaust system were found to be able to set on fire the atmospherics’ suspended fuels. The carburetor does the job of drawing in the fuel to mix it with air before delivering it to the engine cylinder’s combustion chamber. If you think you have too much, let the engine run for 20 minutes to evaporate some of the excess. This problem might be caused by a couple of factors. Oddly enough it sounds, but many people forget about it and when a similar situation arises, they immediately try to repair the instrument, which can lead to serious damage. The same applies to the clutch plate; you need to replace it as soon as the clutch pads become worn-out. Gasoline goes bad after 30 days. When that happens, the chainsaw will not start. Old fuel could also be a problem. Greetings, I just got done solving a problem over at the network forum and was surprised to find a small engine forum. Drain out the fuel from the fuel tank. I'm a bit wary of even opening up the ignition as it's a completely new system to me. Remove the starter assembly and inspect it to see if it is functioning properly. 5. One of the most common problems faced by most chainsaw users is how to start a chainsaw especially when it’s cold. The ignition cold is the component that converts the low voltage current generated by the flywheel magneto into a high voltage current to force it to jump across the spark plug gap, creating an electric spark. There are cases where you may buy fuel that is mixed with other chemicals such as ethanol. The electric spark occurs when an electric current jumps across the spark plug gap. Her work on topics including smart home technology, pest control, living green, budget home repair and helpful household tips have appeared in publications including Bob Vila, Esquire, Popular Mechanics, Gizmodo and Yahoo. The chainsaw is a tool with many moving parts, and all must be in working order to start sawing. If it does not, then the spark plug is faulty and you should replace it. Pull the starter rope with your Use your right foot on the rear handle for pulling starter rope and hold the saw with the left hand. Whichever it is, it’s not good for the engine and will cause the chainsaw not to start. That is why, in this guide, you will learn common issues that can arise with chainsaws and their possible solutions. 01 - Spark Plug. You must buy a four-inch square head bolt that has a … As we have discussed above, fuel does disintegrate with time. If the Ignition coil is faulty because of a short circuit, or lack of continuity in the wire winding, it will not provide a high voltage current. Notify me of follow-up comments by email. The chainsaw might start suddenly while you’re checking it. The voltage created by the induction coil is not sufficient to overcome a thick layer of soot or dirt. There's nothing like the feeling of being all fired up, ready to cut some stuff, only to pull back that chain and realize your saw won't start. The worn-out rings will also allow oil to pass into the combustion chamber and foul the spark plug. Repairing your Poulan chainsaw can be easy if you know what you're looking for. It can be a reason for a critical setback to your project or even cost you hundreds of dollars to fix that it. What you need to do is to change the clutch plate. During the service, you should change the oil and the oil filters. The second way involves turning the choke off, activating fast idle, turn on the on/off switch and pull the starter rope when the chainsaw is firmly on the ground. Regular maintenance practices of the start system will ensure you do not run into start problems. Press the throttle trigger quickly, as well. A fairly common problem is that the Stihl 180 chainsaw does not start and floods a candle. After a while, the spark arrestor gets clogged. That will cause blockage of those passages, and that can happen within minutes or seconds of turning it on. Situations when a chainsaw unexpectedly stalls or does not start at all do not happen with high-quality products as often as with cheaper copies, but still good domestic or foreign tools are not insured against this. By far, the most common reason for this issue is a clogged carburetor. Unhook the rubber wire from the end of the spark plug. We will begin by discussing the top 20 tips and tricks that you could use to make sure that your chainsaw starts. That will save it from damage caused when it’s stored in a dump places. Out of these three components, it is the pulley assembly and the recoil spring that is most susceptible to fail. Some models might have a stubborn starter, for instance, and others may require that you hold the throttle longer than you do on other chainsaws. These problems range widely in complexity and costliness. You have to check the fuel, engine, sparkplug, carburetor, spark arrestor, ignition coil and recoil starter. Give the chainsaw a break by turning everything off. Old or Bad Fuel. While the engine is still fully un-choked, crank it about eight times. What happens is that the fuel filter after being used for a while traps so much dirt that it gets clogged and can only pass just a little amount of fuel or none. Know the issues and eliminate them from their roots. A chainsaw may not run smoothly for many reasons. Additionally, a hot engine or a dirty fuel filter could be restricting the flow of fuel, leading to a clogged carburetor. For this, you will need a socket that can fit on the nut of your flywheel and a method to attach it to the drill. Many problems can cause your Stihl chain saw to stop starting. If the recoil starter assembly is defective, the engine won’t turn over and the chainsaw won't start. To start a Stihl chainsaw, start by pushing the chain brake forward to activate it and removing the cover over the chain and bar. If you haven't used the chainsaw in a few months, you might want to drain the old fuel and put in fresh fuel. Remove the starter assembly and inspect it to see if it is functioning properly.

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