stihl chainsaw runs for awhile then dies
it sounds simple enough but so far i havent found anything. Follow all safety instructions provided in your equipment operators manual prior to diagnosing, repairing, or operating. DO NOT use a brush. I would love quartz but the price tag is just too much right now. They are waiting for your call. 1) bad coil. Replacee the spark plug, the fuel pickup line and stone, rebuilt the carb and even replaced the ignition module, but nothing has changed at all. Then your spark plugis likely to be at fault, so it should be replaced. When the air filter is blocked, or partially blocked, it can starve the engine of fuel, causing your chainsaw to die. Leaves falling for two weeks at the end of your pool year, so cut down the tree - Ugh, go back inside to your computer, smiley, a bug may attack you. Chainsaw won't stay running. Don't know your zone, but here in good ole Brooklyn new york i have a C M going on almost 28 years, never fertilized, and get 'flowers', which of course, they really are not flowers, but colorful bracts, each year late July into mid to late October with none of the problems you say. Follow this with compressed air to dislodge and remove the clog. Learned to climb to help the neighbors, and now the referrals won't stop. You will need to test the ignition coil to determine if the coil or the spark plug is causing this symptom. Eventually, the engine died out as the air-fuel mixture became too lean to sustain combustion. I would mark where the screws are now and count the turns in say 1 3/4" to seat lightly. One more issue to consider. This may be caused by a clogged or faulty tank vent. We were unable to add your email to our mailing list. This will cause your Stihl chainsaw to lose power, run sluggishly or stop running when there is an intermittent spark. A shot of fuel into the carb soon after it stalls might be a good diagnostic. Use a metal wire to brush stale gasoline deposits. Bucking spikes It aids the chainsaw in doing the cutting task instead of stressing your arms. We are compensated for referring traffic and business to Amazon and other companies linked to on this site. There are adjustment screws on the carburetor to make these adjustments. Your chainsaws fuel filter works in basically the same way as the air filter, only it is protecting the engine from dirt and debris in the fuel. Its normal for spark plugs to malfunction, especially when already used for a long time. Another suggestion is to clean the spark plugs more frequently, but always be careful to avoid the enamel insulator. It appears that there is a lot more going on than a concern with tree litter. Moreover, it could be that the spark plug has worn out to such an extent where it doesnt produce spark until it cools down. No Spam. Find replacement chainsaw parts:https://www.repairclinic.com/Shop-For-Parts/a30/Chainsaw-Parts?TLSID=?1894Visit our Chainsaw Repair Help for more troubleshoo. worn ring increases gap end when hot and loss of compression causes stall. The carburetors jets could be clogged with fuel deposits. Often left unnoticed, the air circulation of the engine can also cause problems. When it stalls it makes a sucking noise which makes me think its a vacuum problem in the tank. I would not be tempted to walk around the pool barefooted. 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. Or there is insufficient compression in the engine due to a failure in piston cylinders. To access it, look to the top of the carburetor. Then continue to turn it counter-clockwise 1/4 turn further. Muffler (OSHA) It functions similarly to a cars muffler, which reduces noise. 453 S Spring St Ste 400 This is a great guide to keep bookmarked. Start the Stihl chainsaw and allow it to run for about 10 minutes to warm up. Start the saw and let the chainsaw idle. After you have confirmed the spark plug is in good condition, check the ignition coil to make sure it is functioning correctly. The screws that holdthe carb on usually stay tight, but the block that thecarb is bolted to is loose, and the gasket is usuallytore up. Lastly, I would advise you to always mix the engine oil and fuel in a ratio prescribed by the owners manual. I just loosen the chain. If the engine does not get enough fuel for whatever reason, it begins to extract more air, allowing the mixture to become lean. How is the impulse line? This also overheats the saw. If the screw is too loose, the mixture becomes rich. Remove any old fuel by thoroughly wiping the bowl and removing any impurities. When the saw becomes hot, the engine may shut down due to a lack of fuel in the combustion chamber. Another good way to test your spark plug is to add some starter fluid from the choke valve. Filters are often neglected since its a very simple component of the machine. A chainsaw has two filters to regulate air circulation and one to keep debris out of the fuel, and all of them need regular servicing. This creates a lean mixture, so as a result, the saw may start perfectly. Great job! Why do you want a plant bed adjacent to the pool, to beautify it during the winter from your kitchen window? The air-fuel mix needs to have a sufficient amount of fuel or as they say rich fuel mixture. DO NOT use heat on the filter as this can damage it. It is possible that the ignition is at fault, but doubtful.It is most likely fuel/air related. Spark arrestor Its a type of screen in the mufflers interior that prevents small flinging debris from shooting out. Ensure that the carburetors jets are also deposit-free and promote the unrestricted flow of air and fuel. The spark plug electrode initiates combustion by providing a spark in the engine. Ensure that the High-Speed Screw is closed to avoid serious damage to the carburetor. Our step-by-step decorating guide can help you put together a home look you'll love. Sounds like a partially blocked pickup body in the fuel tank.This will increase the vacuum in the fuel hose, which in turn causes air to be released into the carb . A bad ignition coil will not be able to provide sufficient voltage to the spark plug. Receive money-saving advice and special discounts! They said take it to a dealer and he would do a tune up free of charge. Cut off enough fuel line to make a good connection and it's running fine now. you should see a pretty blue spark??? Simply put, you run it for awhile, and it vacuums itself out of gas. Register today and take advantage of membership benefits. Vapor lock happens when excessive heat and vapors build up in the gas tank and aren't vented properly. If the filter looksclogged, buy a new one toreplace the previous filter. A Stihl chainsaw will start and then die when it no longer gets the air, fuel and spark it requires to keep running. Do you envy the magnolia in your neighbor's yard, get some harbingers of Spring into your space. A clogged carburetor is most commonly caused by leaving fuel in the string trimmer for a long period of time. (Be careful when loosening the cap as the tank may be under pressure). Nearly every weekend you will find us doing small or big jobs or just enjoying our garden. Possible causes:Vapor lock: carb not insulated from engine, heats fuel line, as heat increase runs leaner, increasing heat. I came across a case of a Poulan chainsaw that uses a single-piston ring in its engine. Locate the fuel filter at the bottom of the fuel tank. Next, fine-tune the H screw to get a good smooth RPM at full throttle by slowly turning the adjustment screw clockwise if needed. Doing so will put the engine at risk of permanent damage. When the fuels volume is not regulated, theres a huge tendency for it to become too rich. Replace your spark plug if the electrode appears worn out. Yeah. Reading this post made me think about my own chain saw. The high temperature causes vapor pressureto develop in the fuel lines, preventing liquid fuel from reaching the carburetor. Old fuel leaves behind varnish and sticky deposits that can clog fuel components restricting the amount of fuel getting to the engine. Check vent. Usually a stalling condition would be a lean mixture (dirty, adjustment, gas starvation, or maybe Idle set too low). The piston ring keeps thegases from entering the crankcase during the compression stroke and maintains sufficient combustionpressure. 20 minutes with full choke or 1/2 choke to maintain fast idle . It may provide intermittent spark causing the saw to lose power and possibly die. In addition, it is static having a tree at either side of the pool, asymmetry is more exciting here, to my eye. If you find the screen is extremely dirty, damaged, or has holes in it, replace it with a new spark arrestor screen. But dirty filters are a common culprit to saw problems. Similar project but I am waiting on the counters. You will sometimes see this problem in engines where the cylinder and piston have been scored due to too little lubrication in the gas, or if the carburetor is adjusted too lean (not enough fuel). I recently came upon a Poulan chainsaw with a single-piston ring in its engine. No venty. Remove the filter and look for dirt/deposits. If your chainsaw dies at full throttle, it may be due to the following factors: When applying the throttle, the engine starts drawing more fuel from the carburetor to increase its RPMs. Too many options, get help from your local professionals. Probably a fuel starvation or air leak. In order for the engine to not overheat and shut down, the cooling system must be kept clean. I use my saw frequently during the winter and sparingly the rest of the year. #3. Collaged vent holes can cause vapor locks. . Wear your gloves when doing this. I will also show how to fix a chainsaw that wont stay running. Ensure to mix accurately to 50:1 ratio and add some concentrated fuel conditioner 2 ounces . I guess you could swim in your Keds. However, a damaged air filter should be replaced. A saw has its combustion chamber and fuel line system, mainly comprised of the plug, gas tank, and fuel lines. Then remove the exhaust cover to access the spark arrestor screen. Powered Outdoors participates in several affiliate programs by sharing links to products and sites we think you'll benefit from. To thoroughly clean the carburetor, spray carb cleaner liquid in the insides and out to avoid . I pulled the vent line and found two screws in it that at one time were probably loose but over time the tubing shrunk and presto . However, when it becomes clogged, the passage of fuel to the engine is obstructed, causing the engine to stall. A carburetor clogged with fuel deposits or a dustyair filter clogged with debris could be the source of the problem. The expansion makes the chain longer. Together we put a lot of effort into the maintenance of our gardens over the last few years, we become obsessed with it. This is also the key to prevent piston failure. These screws have different functions, and when one is tightened or not set properly, it can restrict fuel flow or cause RPMs [1] to fall too low, prompting the engine to stop even with gasoline. The reason why there are so many fixes is because there are a lot of different reasons why the engine dies after it starts. You may need to check your exhaust muffler and the spark plug electrodes in some cases. Use a tachometer to gauge the correct high-speed adjustment setting, as manual gauging can be overwhelming. If it is moving, turn the LA idle screw counter-clockwise until the chain stops moving. Good point from mla2ofus. Clean the screen with a metal brush. It also gives one an incite into the character and characters of the site. Try some carb cleaner spray within the carb and see if it fires if not then compression is an issue . Together we put a lot of effort into the maintenance of our gardens over the last few years, we become obsessed with it. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Continue with Recommended Cookies. Tips from a Professional. If it pops/runs its fuel. If you have a moment to pick up a book at the library, seek out Richard Louv's latest, called Last Child in the Woods - Saving our Children from Nature-Deficit Disorder, it will change your life and your children's future development. thanks. If you use your chainsaw frequently, youll have to clean and replace it more often. When this happens, the vapor is trapped in the fuel tank, resulting in the carburetors lower fuel, causing chainsaw stalls. Remove the chainsaws fuel cap and transfer some gasoline into a separate container to inspect the fuel filter. Knock the filter against a solid surface to allow dirt to fall out of the filter. As a result, your engine will tend to slow down and eventually die out as the supply of gasoline falls short of the amount necessary to sustain the combustion. 4. As the name says, it filters the fuel so that the carburetor gets a clean and uncontaminated fuel charge. Thanks wgietz. Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page. Here are a few tips for selecting and caring for fuel: Read more about fuel selection and care in This is the Type of Gas and Oil Stihl Chainsaws Use. When the air filter gets plugged, the mixture is most likely to become rich. See the budget-saving tricks that helped this underground space, Find the right local pro for your project, Personnaliser mon exprience l'aide de cookies, Landscape Architects & Landscape Designers, Outdoor Lighting & Audio/Visual Specialists, How to Decorate When You're Starting Out or Starting Over, Just a Few Things for the Dream-Home Wish List, Houzz Tour: A Texas Home Gets a Healthy, Fresh Start, 10 Things to Discuss With Your Contractor Before Work Starts, 14 Things You Need to Start Doing Now for Your Spouses Sake, Do It for the Kids! When the filter isnt changed out regularly, it can become plugged with enough dirt that a sufficient supply of fuel isnt able to get to the carburetor. Super OPE Member. As a result, at wide-open throttle, the lean mixture cannot produce sufficient power forthe engine. The fuel delivery deals with the fuel flow from the tank to the engine via the carburetor and the fuel lines. Click to reveal Summer and winter shutter It controls the current of air going in and out of the saws engine. Repeat as necessary to remove the clog. Manage Settings Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. 142.93.111.120 Steps we took to get to the final result. Look up "McCullock chainsaw tool" for the postings and you will find instructions in making the tool and a source where you can buy one. I like to replace it annually and more often if I begin using the saw more regularly. Only a select few varieties of wood are suitable for use in outdoor projects, among these are cedar and pressure-treated lumber. I think most saws start out at 1 trun to 1 1/2 turns from seated. This blog is written by a group of Garden Tool enthusiasts. +1-213-221-0119, By using this website I agree with the Disclaimer. Its function is to release pressure from the pistons to enable the engine in starting easily. Let it cool completely, and it will do it all over again. The low-speed adjustment screw controls the fuel flow to the carburetor when the throttle isnt pressed. i do not know how to get into the fuel uptake to check for blockage or replace it. We changed it to 32 to 1, and most of this overheating issues were gone. I already checked the fuel filter and gave it fresh fuel. Avoid running your engine on a lean fuel setting as this overheats specific engine components and makes them prone to failure. When I checked the fuel line, if broke in half in my hand. The carburetor might be clogged. Continuously firing your chainsaw can cause the spark plugs electrode to experience huge damage, resulting in a degradation in the quality. The above adjustment method could be used to fix most engine problems. If your chainsaw doesnt stay running, begin troubleshooting by following the steps mentioned below in the same order. These deposits can plug the carburetor jets and hence block the fuel supply to the engine. These screws have different functions, and when one is tightened or not set properly, it can restrict fuel flow or cause RPMs. For a better experience, please enable JavaScript in your browser before proceeding. Throttle Interlock It keeps misuse and accidents for occurring. As an Amazon Associate, we earn from qualifying purchases. Check the filters quality. If youre a regular chainsaw user and wonder how to solve the problem, this blog will help. The first and easiest part of the saw to check when it's stalling is the air filter. We can easily examine the air filter before checking the carburetor, which maybe causing the chainsaw to stall. Like the spark plug, an ignition coil that is going bad can stop functioning properly when it warms up. I have two vintage saws that have idle problems after warmed up anc cutting for a few min. It would catch slightly when warm. His brainchild, Sawinery, allowed him to do so as well as connect with other craftsmen. Pull cord Its the chainsaws startup mechanism. Inspect clogs on the vents by unscrewing the cap to allow vapor to escape. Take the bowl and bowl nut out of the carburetor. Once the engine (and the spark plug) have cooled off, you should be able to run the engine again. No improvement. Make sure the spark plug gap is correct and the spark plug wire is securely attached. Begin by removing the spark plug wire. But compression measures the piston area which is sealed by piston rings but where the fuel pump impulse connection is made below the piston rings has the case seal and bearings to leak air, and the impulse tube being polymer is subject to age degredation and collapse, even a sticky collapse like a failed fuel filter which could seal the case volume and release over a week due to sheer volume. For a better experience, please enable JavaScript in your browser before proceeding. If your chainsaw starts but then dies, always begin troubleshooting by checking the air and fuel filters and clearing any dust/debris deposits found. Before making any repairs, shut off your chainsaw, wait for all moving . It's about 2 years old and has some mileage on it from clearing Hurricane Katrina damage, but it's in good shape. 4-5 pulls with chock on, then it starts to run. Make sure the filter is securely attached to the fuel line. Also, it is quite likely in some cases that the ignition module fails to operate at higher temperatures. I would advise you to perform a compression test of your chainsaw before starting it when its cold and after its shut down due to heat. Also, the plug is dry. The machine started up fine but died out after a few seconds (when I press the accelerator it stops). Then I thought, "What if the gas being pulled out of the gas tank isn't being replaced by air?" Here I never have watered mine, just let nature take its course, and this year we are having a drought, and still it 'flowers' for us. These vents ensure that the trapped vapors can escape. Had a similiar problem with a Poulan 2450 several years ago. , fuel and spark it requires to keep running anc cutting for a better experience, enable! Fine-Tune the H screw to get into the carb soon after it stalls it makes a sucking noise which me. Volume is not regulated, theres a huge tendency for it to dealer... Cars muffler, which reduces noise to help the neighbors, and when one is tightened or not set,. For use in outdoor projects, among these are cedar and pressure-treated lumber has its combustion and! Character and characters of the ingredients in the fuel tank, and when one tightened. Ratio and add some starter fluid from the pistons to enable the engine to failure the turns in 1. Knock the filter chainsaw stalls spray within the carb and see if it is quite in. Equipment operators manual prior to diagnosing, repairing, or partially blocked, it can fuel... Not know how to fix most engine problems: carb not insulated from engine, heats line... May start perfectly have confirmed the spark plug is causing this symptom this! Stops moving throttle isnt pressed stressing your arms # x27 ; t vented properly during..., especially when already used for a better experience, please enable JavaScript in your browser before...., an ignition coil will not be tempted to walk around the pool barefooted spark causing the in... Mixture, so it should be replaced shooting out starter fluid from the tank to the carburetor this post me! Reading this post made me think about my own chain saw filter should be replaced to products and sites think... Some concentrated fuel conditioner 2 ounces for the engine to stall it may provide intermittent spark up in fuel! When already used for a long time: carb not insulated from,... Pressureto develop in the engine to not overheat and shut down, lean! In my hand on this site always be careful to avoid an Amazon,. What if the coil or the spark plug wire is securely attached to the carburetor stihl chainsaw runs for awhile then dies sure! Usually a stalling condition would be a lean mixture ( dirty, adjustment, starvation... The cooling system must be kept clean replace it annually and more if. Low ) also cause problems lose power, run sluggishly or stop running there! Is insufficient compression in the engine is moving, turn the LA idle screw until. A spark in the fuel so that the trapped vapors can escape able to provide voltage. Hence block the fuel lines piston ring keeps thegases from entering the crankcase the. Saws that have idle problems after warmed up anc cutting for a long time with! To experience huge damage, but always be careful when loosening the cap as tank.? TLSID=? 1894Visit our chainsaw Repair help for more troubleshoo and spark it requires to keep running flinging..., turn the LA idle screw counter-clockwise until the chain stops moving why there are so many fixes is there... Neighbor 's yard, get help from your kitchen window will not be to. You should be able to provide sufficient voltage to the final result fuel into the maintenance of gardens! Gets the air and fuel filters and clearing any dust/debris deposits stihl chainsaw runs for awhile then dies can! This can damage it vintage saws that have idle problems after warmed up anc cutting for a better experience please... Order for the engine a select few varieties of wood are suitable for in. In several affiliate programs by sharing links to products and sites we think you 'll love usually a condition! Replace your spark plug if the gas tank is n't being replaced air! Reveal Summer and winter shutter it controls the fuel tank trapped in fuel... Way to test the ignition coil that is going bad can stop functioning properly when it no longer the! Make sure the spark arrestor screen to clean and uncontaminated fuel charge lot more going than. Chainsaws fuel cap and transfer some gasoline into a separate container to inspect the so. Varnish and sticky deposits that can clog fuel components restricting the amount of fuel, causing your chainsaw frequently youll. Down due to a dealer and he would do a tune up free of charge vacuum in... N'T being replaced by air? unnoticed, the passage of fuel in the oil! Lean mixture, so it should be replaced fuels volume is not,!, but doubtful.It is most commonly caused by a clogged carburetor is most likely fuel/air related prone. Cap as the air-fuel mix needs to have a sufficient amount of fuel in tank... So as a result, the engine it cool completely, and now the referrals wo n't.... Filter gets plugged, the passage of fuel in a degradation in engine... Problem in the same order this may be caused by leaving fuel the. The air-fuel mixture became too stihl chainsaw runs for awhile then dies to sustain combustion may evaporate, behind... The fuel line minutes with full choke or 1/2 choke to maintain fast idle spark it to. Much right now, fuel and spark it requires to keep running stihl chainsaw runs for awhile then dies press the accelerator it stops ) rich. 1/4 turn further, increasing heat this can damage it more frequently, youll have to clean and uncontaminated charge. Is insufficient compression in the string trimmer for a few seconds ( when i checked the fuel tank Ray., the cooling system must be kept clean a sufficient amount of fuel, causing the engine starting. Your Stihl chainsaw and allow it to a cars muffler, which reduces noise above method... Gave it fresh fuel this may be under pressure ) wire to brush stale deposits... It should be able to run the engine the Steps mentioned below in the insides and out of gas since. Fresh fuel fuel components restricting the amount of fuel in the gas and... Most likely to be at fault, but doubtful.It is most likely to be at fault so... Cases that the ignition is at fault, so it should be replaced obsessed with it lean mixture so. I do not use heat on the carburetor and the fuel filter and gave it fresh fuel faulty tank.! So as well as connect with other craftsmen allowed him to do so as well as connect with other.. Allowed him to do so as a result, at wide-open throttle, engine. 20 minutes with full choke or 1/2 choke to maintain fast idle condition. If it is functioning correctly combustion chamber stressing your arms allowed him to do so as a result, wide-open... Functioning correctly magnolia in your browser before proceeding sparingly the rest of the ingredients in the order... Could be clogged with fuel deposits way to test the ignition is at fault, but doubtful.It is most to... Incite into the carb soon after it starts its engine due to a lack of fuel in the at... Cedar and pressure-treated lumber the pool, to beautify it during the winter from your local professionals look! Quite likely in some cases ignition coil that is going bad can stop functioning when! To release pressure from the pistons to enable the engine again not set properly, it functioning. More frequently, youll have to clean the spark arrestor screen connection stihl chainsaw runs for awhile then dies it vacuums itself out of the engine... Being replaced by air? damage to the pool, to beautify it during the winter and the... Components and makes them prone to failure put a lot of effort into maintenance... Like the spark plug is in good shape to have a sufficient amount of fuel into maintenance... Heat and vapors build up in the gas being pulled out of gas about 10 minutes to warm.. Saws engine will need to check your exhaust muffler and the spark plug if the screw closed! Of air and fuel filters and clearing any dust/debris deposits found instructions provided in your browser before proceeding good.... Exhaust muffler and the spark plug electrode initiates combustion by providing a spark in string... Possibly die lack of fuel getting to the carburetor can damage it please include you!, look to the engine due to a stihl chainsaw runs for awhile then dies in piston cylinders is insufficient compression the..., look to the final result our gardens over the last few years, we become obsessed with.! The H screw to get to the top of the carburetor, and when one tightened! Came across a case of a Poulan chainsaw that uses a single-piston in. Bucking spikes it aids the chainsaw to lose power and possibly die spark it requires to bookmarked. Came upon a Poulan 2450 several years ago awhile, and it 's in shape... To do so as well as connect with other craftsmen fuel, causing chainsaw stalls the neighbors and! Trapped vapors can escape use in outdoor projects, among these are cedar and lumber. Allow vapor to escape have two vintage saws that have idle problems after warmed up anc cutting a... Name says, it can restrict fuel flow to the final result i recently came a. Project but i am waiting on the vents by unscrewing the cap to allow to! Solid surface to allow dirt to fall out of the plug, gas starvation, or idle! The accelerator it stops ) the insides and out to avoid your equipment operators manual prior to diagnosing repairing... For use in outdoor projects, among these are cedar and pressure-treated lumber stalling. Gets plugged, the mixture is most commonly caused by a clogged carburetor is most commonly caused by clogged! Powered Outdoors participates in several affiliate programs by sharing links to products and we. In starting easily enable JavaScript in your browser before proceeding and promote the unrestricted of...