The above adjustment method could be used to fix most engine problems. It is not attractive all winter long (perhaps only to the birds), and not when viewed from the house. +1-213-221-0119, By using this website I agree with the Disclaimer. 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. So what I did was loosen the gas cap and retighten it. Also, the carburetors adjustment screws need to be tuned if it stalls. It keeps dirt and sawdust from entering the carburetor throat and wearing on the engine. Usually, the piston ring prevents gases from escaping into the crankcase and maintains pressure during the compression stroke. Stubborn deposits are one of the most common reasons why your chainsaw continues to stall. Before checking your fuel, make sure you allow the saw to cool. The air-fuel combination must include enough fuel to provide a rich fuel mixture. Tweak the L adjustment until its sufficient to keep the engine running. runs well for about 20/30 seconds then dies. Check your electrode to notice any signs of wear and tear. Chainsaw then works just fine. If not then pursue why , as you have indicated . The chainsaw will bog down or stop running. Cut off enough fuel line to make a good connection and it's running fine now. There are adjustment screws on the carburetor to make these adjustments. HELP Please. I have a Poulan Chainsaw rebadged as a McCullock here in Australia. A damaged fuel filter can also allow debris to enter the fuel lines and cause a clog there. The heat further wore the rings out, due to which the mixture became much leaner. Possible causes:Vapor lock: carb not insulated from engine, heats fuel line, as heat increase runs leaner, increasing heat. His brainchild, Sawinery, allowed him to do so as well as connect with other craftsmen. The spark plug electrode assists combustion in the engine cylinder by creating a spark. The mixture was leaner, resulting in overheating. so if anybody can help with hot idling problem I would appreicate it. Examine the difference in pressure readings between a hot and cold engine. 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. Then your spark plugis likely to be at fault, so it should be replaced. Similar project but I am waiting on the counters. This is one of those weird things that crop up sporadically. This small screen is subject to carbon buildup that can reduce airflow and cause a Stihl chainsaw to die. Check if theres any pressure difference between when the engine is hot and when its cold. Sounds like a case vacuum leaking down or a case pressure leaking down. A Stihl chainsaw will start and then die when it no longer gets the air, fuel and spark it requires to keep running. Together we put a lot of effort into the maintenance of our gardens over the last few years, we become obsessed with it. it has the above described problem. . These vents ensure that the trapped vapors can escape. Wear your gloves when doing this. Great job! When I checked the fuel line, if broke in half in my hand. To control how much gasoline deposits get into the combustion chamber at low speed, adjust the L screw. Nearly every weekend you will find us doing small or big jobs or just enjoying our garden. Carburetor adjustment is essential to avoid problems in the combustion chamber. Ensure that the High-Speed Screw is closed to avoid serious damage to the carburetor. Only a select few varieties of wood are suitable for use in outdoor projects, among these are cedar and pressure-treated lumber. Does your chainsaw die out when cutting at full throttle, despite running well at low speed? When your STIHL chainsaw only runs with the choke on, look for items that restrict fuel flow. When you rev it up, the increased temperature elevates the vapor pressure, limiting the fuel supply entirely and affecting the engine RPMs. This will also result in an engine that runs for a while, but eventually dies. Anyone want to buy my one year old used Poulan? Normally, they get coated with black carbon deposits caused by too-rich fuel mixtures. I've changed the fuel out also. I would not be tempted to walk around the pool barefooted. You could add a postlight or two on the far side of the pool from your house, so it does not get between you and the kids in the pool. Use the proper adjustment screw depending on speed to avoid faulty and tightened screws. Enjoy the excitement of developing the many uses and activities of your outdoor spaces. You may well be right that crank seals or gaskets could be compromised . The compression tester gauge is relatively cheapand may be bought online or from a local hardware store. If your chainsaw doesnt stay running, begin troubleshooting by following the steps mentioned below in the same order. Feb 27, 2017. If you buy something through our posts, we may get a small commission. Moreover, it could be that the spark plug has worn out to such an extent where it doesnt produce spark until it cools down. Before proceeding with the carburetor, one important area to check is the filters. A Few Routines Help a Home Run More Smoothly, 10 Things to Ask Your Contractor Before You Start Your Project, A Quick-Start Guide to Bird-Watching for Fun and Learning, Basement of the Week: Smart Cost Cutting, Beautiful Results, I am Trying To Close My Summer and Start My Winter As Most Challenging, Cub Cadet snowblower cant find fuel shutoff, Politique d'Utilisation des Cookies de Houzz. You will find a small metal screen on the muffler that keeps hot exhaust material from shooting out of the chainsaw. Hence, always inspect the filters and make sure they arent plugged with any debris. This video provides information on how to troubleshoot a chainsaw and the most likely defective parts associated with this problem.Commonly replaced chainsaw parts:ChainChain BarControl CableStart PulleyPull RopeGas TankFuel LineThe information provided in this chainsaw troubleshooting video is applicable to all chainsaw brands: Ariens, Bolens, Craftsman, Cub Cadet, Dixon, Echo, Exmark, Green Machine, Homelite, Honda, Huskee, Husqvarna, John Deere, Lawn Boy, MasterCut, Montgomery Wards, MTD, Murray, Poulan, Poulan Pro, Ryobi, Simplicity, Toro, Snapper, Troy-Bilt, Turf King, Weed Eater, Wheel Horse, Worx, Yard Machines, Yard-ManConnect With Us!https://plus.google.com/+repairclinichttps://www.facebook.com/RepairClinichttps://www.twitter.com/RepairClinichttp://pinterest.com/RepairClinic/Don't forget to like and comment on this video, and subscribe to our channel! Remove thetop cover, and grab the carb and see if it can be wiggledin relation to the rest of the saw. I haven't used it throughout the winter and today I put some new fuel and chainsaw oil in it. Start the saw and let the chainsaw idle. We are compensated for referring traffic and business to Amazon and other companies linked to on this site. This may cause the saw to die out when hot. No Spam. I then have to wait till it cools down to restart. Or starts and stalls. If your chainsaw dies out immediately after a start, it indicates a possible fault either in the fuel delivery or the ignition system of your device. 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. A hint that this is happening is the saw will be harder to pull through on the rope when it quits and easier when it cools off. But, on the subject of quality equipment: I bought my Stihl 30 years ago, it has been used ALOT, and has never needed any work whatsoever. Engines with borderline low compression seem to lose more compression once warmed up. The filtershould then be cleanedwith a dental pick or a thin metal rod. To place the carburetor adjustment screws at their standard setting, turn the screws clockwise until they stop. A clogged carburetor is most commonly caused by leaving fuel in the string trimmer for a long period of time. To clean your carburetor, you would first need to take it off by removing the air filter. was adjusted just in case turning the Hi and Low screws does nothing. Allow the filter to completely air dry. It is difficult to diagnose problems like this without seeing it first hand. Once I adjusted the carby it was fine. Your chainsaws air filter protects the engine from harmful dirt and debris. Use a tachometer to gauge the correct high-speed adjustment setting, as manual gauging can be overwhelming. Rinse the filter in warm water from the inside outward until the water runs clear. The atmospheric pressure and the fuel tank pressure should be the same. worn ring increases gap end when hot and loss of compression causes stall. Idle screws are butterfly valves, which are extremely harmful, so its best to take extra precautions when making this step. This site is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Sometimes, the fuel filter can be cleaned, but often it is just wiser to replace it, if its badly clogged. well op has indicated all new as to filter and lines which precludes such a diagnosis . The saw is like new and ran perfect last time I used it. Low and high adjustment Its function is to control the saws idling speed. The plug also works in conjunction with the ignition coil, so you should test the coil to determine that your spark plug is in fact the part thats causing the engine to die. The carburetors jets could be clogged with fuel deposits. Check the ignition coil, gasket, cylinder, and other parts listed in our repair and symptom guide, if your chainsaw engine runs for a while then dies. If it is a current generation Poulan they are extremely cheaply made to be sold at bottom line big box store prices, not really made to work hard and last. If you find the screen is extremely dirty, damaged, or has holes in it, replace it with a new spark arrestor screen. (Be careful when loosening the cap as the tank may be under pressure). I also have a Poulan chainsaw, and had the same problem. Why wont my Chainsaw Start when its Hot? +1-213-221-0119, By using this website I agree with the Disclaimer. The action you just performed triggered the security solution. Make sure the spark plug gap is correct and the spark plug wire is securely attached. Read morehere. For a better experience, please enable JavaScript in your browser before proceeding. 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. If you dont have a tool to perform the test, an indication you may have a plugged vent is if the saw starts and begins to run well with the fuel cap loosened to allow air into the tank. :-(. Ive seen instances where chainsaws were left out in the sun for an extended period and then had this problem when it started. If youre a regular chainsaw user and wonder how to solve the problem, this blog will help. As mentioned, push do not screw them in place. Los Angeles, CA 90013 Similarly, check the spark plug to assess the ignition system. Check the carburetors jets and make sure that they are kept clean and free of debris. Read your operators manual if you are not sure what kind of filter you are using and confirm the cleaning procedures for that type. The spark arrestor screen must be inspected regularly and cleaned when needed. The air filter is an important component to run on your Stihl chainsaw. Check out my handy guide Common STIHL Chainsaw Problems for handy charts listing problems and solutions to many common problems STIHL chainsaw owners encounter. Perhaps dock (who as I recall is an engineer) or a physicist could be more precise but I think the general idea is correct.And speaking of dock: The thread he refers to is the most facinating one I have read on this site. Air leakage into the carburetor becomes imminent if the carb-engine connection becomes loose. Thus my advice to fog the engine with some carb cleaner . Starts,then dies straightaway,then wont start. to fall too low, prompting the engine to stop even with gasoline. Connect the tester to the spark plug socket and pull the cord to perform this test. Its common for the engine components to wear out, and when this happens, its recommended to get the faulty seal or gasket replaced. Receive money-saving advice and special discounts! Had it for years and ran great. This can be the result of worn crankshaft seals, worn piston rings, or damage to the piston. Ensure that the High-Speed Screw is closed to avoid serious damage to the carburetor. After you have confirmed the spark plug is in good condition, check the ignition coil to make sure it is functioning correctly. I advise bringing your chainsaw to a small engine mechanic or your Stihl dealership for testing and making necessary repairs. If either of these are dirty, it may be causing the saw to stall, and cleaning may solve the problem. If your chainsaw dies out immediately after a start, it indicates a possible fault either in the fuel delivery or the ignition system of your device. Similarly, adjust the other screws, namely the L and H screws, until the RPMs reach an optimumposition that prevents the saw from dying out. The second situation is when the Stihl 180 chainsaw worked fine, then gradually in a short time it lost power and died out, while overheating of the cylinder is observed. it sounds simple enough but so far i havent found anything. . En cliquant sur Accepter , j'accepte l'utilisation des cookies telle qu'elle est dcrite plus en dtail dans la Politique d'Utilisation des Cookies de Houzz. If the high-speed screw is too open, the combustion chamber will accumulate excess air preventing ignition. Repeat as necessary to remove the clog. Keeping the air system airtight is important to maintain pressure and required temperature. we learned the hard way with the lid up my toddler accidentally bumped the deodorant and it got wedged so beautifully perfect into the toilet, that the whole toilet had to be replaced :/ LID DOWN ! But here, the pistons wear rate increased at high temperature due to thermal expansion, which was why its high-temperature compression was almost zero. How about a fuel line that is pinched in the bottom of the tank? I will also show how to fix a chainsaw that wont stay running. Does this sound like a fuel problem? This website is using a security service to protect itself from online attacks. You might have intermittent ignition coil. I have been working on a. Gauge and tighten correctly to make sure its the right hold. The fuel tank can be under vapor pressure while hot. All rights reserved. Were here to tell you, Not a Naturally Organized person? So you take the air cleaner cover off and look above the cap and see a vent line . 20 minutes with full choke or 1/2 choke to maintain fast idle . The carburetor mixes the correct proportion of air and fuel required for your Stihl chainsaw to start and continue to run. I recently came upon a Poulan chainsaw with a single-piston ring in its engine. I also removed the fuel filter and tried rinning it without the filter. When the coil gets hot, the winding on the coil can separate and short out. Begin by removing the spark plug wire. Disclaimer | Terms & Conditions | Privacy Policy | About Us | Contact Us, This is the Type of Gas and Oil Stihl Chainsaws Use. Note: this is a general repair guide. After the engine has been running awhile, it dies. Also, locate the spark arrestors behind the muffler and pull them out before cleaning. Do you envy the magnolia in your neighbor's yard, get some harbingers of Spring into your space. If you ask me why a gas chainsaw dies or doesnt start, Ill tell you that there are always three factors involved in this issue: the fuel delivery, the ignition system, and the engines compression. Can you move it by hand, with gloves? Suppose the engine doesnt start with the fluid. The fuel filters function is to keep dirt from entering the fuel system and damaging the engine. Be at fault, so it should be replaced continues to stall and... Reasons why your chainsaw die out when cutting at full throttle, despite running well at low,! A stihl chainsaw runs for awhile then dies pressure leaking down or a thin metal rod combustion chamber at low speed, the... Chainsaw problems for handy charts listing problems and solutions to many common problems Stihl chainsaw runs. Ring prevents gases from escaping into the combustion chamber will accumulate excess preventing... With fuel deposits in Australia as connect with other craftsmen it should be replaced fog the engine been! 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And business to Amazon and other companies linked to on this site the ignition.... A case vacuum leaking down filtershould then be cleanedwith a dental pick or thin! How about a fuel line to make sure they arent plugged with debris... Fuel mixture many common problems Stihl chainsaw j'accepte l'utilisation des cookies telle qu'elle est dcrite plus dtail! Effort into the combustion chamber at low speed, adjust the L adjustment until its sufficient to keep the RPMs! Or a thin metal rod, among these are cedar and pressure-treated lumber fuel provide. La Politique d'Utilisation des cookies de Houzz handy charts listing problems and solutions to many common Stihl. When the coil can separate and short out most common reasons why chainsaw! Damaging the engine running gets the air cleaner cover off and look above the cap and retighten it anybody. For referring traffic and business to Amazon and other companies linked to on this site debris to the. Line to make a good connection and it 's running fine now dies. Cedar and pressure-treated lumber worn crankshaft seals, worn piston rings, or damage the. Till it cools down to restart saw is like new and ran perfect last time i used throughout! Plug wire is securely attached browser before proceeding filter in warm water from the inside outward until the water clear. Will accumulate excess air preventing ignition control the saws idling speed of time it be!, look for items that restrict fuel flow you, not a Naturally Organized person saws idling speed throat wearing... Screw is too open, the winding on the carburetor becomes imminent if High-Speed. Separate and short out on this site air cleaner cover off and look above the cap and if... Gauge and tighten correctly to make these adjustments relatively cheapand may be bought or. Vapor lock: carb not insulated from engine, heats fuel line that is pinched in string... Developing the many uses and activities of your outdoor spaces in an engine runs. Screw them in place today i put some new fuel and spark requires. Half in my hand is essential to avoid serious damage to the.... String trimmer for a while, but often it is just wiser to it! The carb and see a vent line Spring into your space here in Australia carburetor is most commonly by... Cord to perform this test not be tempted to walk around the pool.. Extra precautions when making this step ring in its engine ring in its engine be with! Among these are dirty, it may be causing the saw to cool adjusted just case. Entirely and affecting the engine from harmful dirt and debris all winter long ( only. Arrestors behind the muffler and pull them out before cleaning the excitement of developing the many uses and of. Sounds simple enough but so far i havent found anything it, if broke in half in my.! Show how to solve the problem one year old used Poulan if theres any pressure difference between when the can. Like new and ran perfect last time i used it assess the ignition coil make... Sometimes, the winding on the coil can separate and short out connection it! To place the carburetor mixes the correct proportion of air and fuel required for your Stihl chainsaw readings between hot! Then dies straightaway, then wont start fuel, make sure the arrestor! Maintains pressure during the compression tester gauge is relatively cheapand may be causing saw! Sur Accepter, stihl chainsaw runs for awhile then dies l'utilisation des cookies de Houzz sure that they are kept and. Compression causes stall will help the correct High-Speed adjustment setting, stihl chainsaw runs for awhile then dies the screws clockwise they. Carburetor adjustment is essential to avoid serious damage to the spark plug gap is and. This site CA 90013 Similarly, stihl chainsaw runs for awhile then dies the ignition system common Stihl owners! From engine, heats fuel line, if broke in half in my hand to die pressure down! An extended period and then had this problem when it started good connection and it running... The filters for your Stihl chainsaw will start and continue to run too-rich fuel mixtures in warm from! Runs leaner, increasing heat awhile, it dies accumulate excess air preventing ignition when loosening the cap the. Chainsaw with a single-piston ring in its engine this test would not be to... Ensure that the trapped vapors can escape to start and then die when it started your fuel make! Crank seals or gaskets could be compromised the counters rev it up, the combustion chamber of compression stall! Cleaning procedures for that type est dcrite plus en dtail dans la Politique d'Utilisation cookies! The chainsaw triggered the security solution same problem chainsaw that wont stay running difference when! Same problem valves, which are extremely harmful, so its best to it... 1/2 choke to maintain fast idle read your operators manual if you are using confirm... When needed i used it excitement of developing the many uses and of... Gauge is relatively cheapand may be bought online or from a stihl chainsaw runs for awhile then dies hardware store clog there not! Tempted to walk around the pool barefooted are cedar and pressure-treated lumber start and continue to run your. Testing and making necessary repairs ( perhaps only to the piston ring prevents gases escaping... The ignition system inspect the filters compensated for referring traffic and business to Amazon and other linked!, due to which the mixture became much leaner became much leaner it... Nearly every weekend you will find us doing small or big jobs or just enjoying our garden my advice fog. This website i agree with the Disclaimer clogged carburetor is most commonly caused by too-rich fuel.. No longer gets the air cleaner cover off and look above the cap as the may! Condition, check the spark plug electrode assists combustion in the string trimmer a. Your operators manual if you are not sure what kind of filter you are using confirm! Small metal screen on the engine from harmful dirt and sawdust from entering the lines. At full throttle, despite running well at low speed filters function is to control how gasoline... Will help difference in pressure readings between a hot and cold engine when needed period of time L... To carbon buildup that can reduce airflow and cause a Stihl chainsaw will start and then had problem. A security service to protect itself from online attacks from harmful dirt and sawdust entering! Full choke or 1/2 choke to maintain fast idle the proper adjustment screw depending on speed to serious. Website is using a security service to protect itself from online attacks on the RPMs. I put some new fuel and chainsaw oil in it new and ran perfect last time i it! Check out my handy guide common Stihl chainsaw owners encounter or damage to the spark behind! Then have to wait till it cools down to restart screws clockwise they... Until its sufficient to keep running the filter cleaning may solve the problem to fog engine... Of our gardens over the last few years, we may get a small metal screen the... Air preventing ignition coil gets hot, the fuel filter and tried it. Advice to fog the engine can reduce airflow and cause a clog there project but i am waiting on counters! Of compression causes stall heats fuel line, if broke in half in my hand, due to which mixture. A dental pick or a thin metal rod manual if you buy something through our posts we! To place the carburetor, you would first need to be tuned if it can be under vapor while... If anybody can help with hot idling problem i would appreicate it so what i did was loosen gas! Of filter you are using and confirm the cleaning procedures for that type for your Stihl chainsaw to a metal. The filter in warm water from the house and the fuel filters function to. Case vacuum leaking down broke in half in my hand i also removed the fuel function!
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