Repeat as necessary to remove the clog. If your carb has adjusting screws, you can attempt to adjust it, and this can fix this symptom. The problem was it was running to lean and over heating. Had it for years and ran great. Tried various things like others and after taking the carburetor apart and using plenty of carb cleaner had the same problem. Your chainsaw will be hot if it has been running for a while before it stopped. The spark plug in your chainsaw ignites the air/fuel mixture in the combustion chamber. You will find a small metal screen on the muffler that keeps hot exhaust material from shooting out of the chainsaw. Los Angeles, CA 90013 To start cleaning your saw, remove the cover, often located at the rear of your chainsaw. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Again, this may be different for your model Stihl saw. Lets dive deeper into the factors behind a dying chainsaw and how it can be fixed. Re-chocking (once until it kicks) gets it running again for another 20-30 seconds. The atmospheric pressure and the fuel tank pressure should be the same. Such a problem is more likely to occur if your chainsaw is poorly maintained, or has been in use for quite a while. Leaves drop in the Autumn, you clean them up for your compost pile, or for the kids to play in the pile, and admire the tree as a proud sculpture. I was hoping someone on the forum owned one, and could offer first-hand advice. i love the saw, but it is hard to start. Install a new one if itsquality has worsened. We can easily examine the air filter before checking the carburetor, which maybe causing the chainsaw to stall. Locate the fuel filter at the bottom of the fuel tank. Another good way to test your spark plug is to add some starter fluid from the choke valve. Lean adjustment It manages the devices fuel and air mixture. You will probably see the snowdrops first, even before the snow is gone, then the little daffodils, and on and on, one exciting discovery after the next to help the kids discover nature and smell the fragrances of Spring (can't do that inside with their handheld devices.) The air filter is easily located. When it dies give it squirt of gas w/AF off. As an Amazon Associate, we earn from qualifying purchases. Normally, they get coated with black carbon deposits caused by too-rich fuel mixtures. Additionally, because of the fuel passing through the carburetor, it can become clogged, particularly if youve left fuel to sit in it for a long period of time (for example, over the winter). If you have already cleaned your carburetor, but the engine dies, then it is already damaged. If it does you have a fuel starvation problem or a carb air leak or adjustment problem IMO. We like to help other people maintaining their garden and find cool products to write about. Click to reveal Check the Filters. My Stihl has one. However, if youre planning to run your chainsaw for any length of time, you will need to replace the spark plug. When the compression is low on a Stihl chainsaw, it will fail to have enough pressure which can cause it to quit running. The fuel tank can be under vapor pressure while hot. I found a moulding place that is half the price of Home Depot so I put up new crown and added a small piece to the bottom of the uppers. This is one of those weird things that crop up sporadically. It keeps dirt and sawdust from entering the carburetor throat and wearing on the engine. Start the Stihl chainsaw and allow it to run for about 10 minutes to warm up. Starts,then dies straightaway,then wont start. Turned out great. Houzz utilise des cookies et d'autres technologies de suivi similaires pour personnaliser mon exprience utilisateur, me proposer du contenu pertinent et amliorer ses produits et services. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. Steps we took to get to the final result. The expansion makes the chain longer. Your chainsaws air filter protects the engine from harmful dirt and debris. Decompression valve It can only be found on some saw models. Stihl does have some limits to the adjustments you can perform to the carburetor. Idle screws are butterfly valves, which are extremely harmful, so its best to take extra precautions when making this step. Apparently new also . Op has not gotten back to us since Monday , apparently has moved on lol . DO NOT use heat on the filter as this can damage it. If your chainsaw gets bogged down after heating up, performing a compression test can give provide us with certain indications. A shot of fuel into the carb soon after it stalls might be a good diagnostic. 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. To perforn this test, run the unit at WOT for 4-5 minutes then immediately shut the unit off and let sit for 2-3 minutes. If the ignition coil is working, the spark plug may be going bad, and it should then be replaced. In order for the engine to not overheat and shut down, the cooling system must be kept clean. The low-speed adjustment screw controls the fuel flow to the carburetor when the throttle isnt pressed. The filtershould then be cleanedwith a dental pick or a thin metal rod. Its function is to release pressure from the pistons to enable the engine in starting easily. Los Angeles, CA 90013 If you find you have a vacuum in the fuel tank, locate the fuel vent on your Stihl chainsaw and replace it. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. Wrapped our island in board and batten and painted it functional gray. Just something to check for.If that seems tight, then going through the carb wouldbe my next move, unless you have a model with an externalimpulse line, which should be checked, as well as if youhave a model with a primer bulb.But otherwise I would look inside the carb. Like the spark plug, an ignition coil that is going bad can stop functioning properly when it warms up. These are throw aways after a very limited time in use. I have a T435 Husqvarna chainsaw. Replace your spark plug if the electrode appears worn out. Stihl Chainsaw starts then stalls 01 - Stihl Chainsaw Spark Arrestor The spark arrestor is a small screen that prevents the engine from emitting sparks. Register today and take advantage of membership benefits. Occasionally, an inadequate air/fuel mixing ratio may potentially disrupt the regular operation. Check for any gaps that could be the culprit to ignition and fuel issues. These screws have different functions, and when one is tightened or not set properly, it can restrict fuel flow or cause RPMs. WHERE CAN I GET THE DAVID HASSELHOFF LID ?!?!?!?!?!?!? He has since built an enviable workshop for himself and an equally impressive online accomplishment: an extensive resource site serving old timers and novices alike. Enjoy the excitement of developing the many uses and activities of your outdoor spaces. 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. The air-fuel combination must include enough fuel to provide a rich fuel mixture. Learned to climb to help the neighbors, and now the referrals won't stop. Is this indicative of a good coil or should there be a strong blue spark? Also, replace any line that has a puncture. I guess you could swim in your Keds. Keeping the air system airtight is important to maintain pressure and required temperature. Copyright 2023 eReplacementParts.com Inc. However, a damaged air filter should be replaced. Do you envy the magnolia in your neighbor's yard, get some harbingers of Spring into your space. A carb cleaner spray is a helpful tool for removing sticky residues from your jets and restoring your carburetor to a working condition. This will help find the best solution strategy to fix your issue. #3. Give it a try. Moreover, examine the plugselectrode for signs of black carbon deposits. The cylinder wont get the air it requires causing the chainsaw to run sluggishly and die. to fall too low, prompting the engine to stop even with gasoline. 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. This can be the result of worn crankshaft seals, worn piston rings, or damage to the piston. There are adjustment screws on the carburetor to make these adjustments. possibly yours does also. You may need to check your exhaust muffler and the spark plug electrodes in some cases. If your chainsaw wont stay running, here are the things you can try: A rich fuel mixture is likely to stall your chainsaw. Mar 1, 2018 / Chainsaw starts and then dies. When the air filter isnt regularly cleaned or replaced, it can become plugged preventing sufficient airflow. To accurately test the ignition coil, a spark tester is needed, as the tester will recreate the cylinder conditions. 4) bad fuel breather. The thing I can't figure out is what caused it. The carburetor may need to be adjusted to change the RPMs at low speed, idle and full throttle. i do not know how to get into the fuel uptake to check for blockage or replace it. If the filter is very dirty, wash it in a mild dish detergent and water solution, and rinse from the inside outward until the water runs clear. Check that the choke is operating properly. Your chainsaws carburetor is where air and fuel are mixed in the optimum ratio. Why wont my Chainsaw Start when its Hot? Air filter It aids in getting the correct fuel-to-air mixture that goes into the engine. Unscrew the gas cap, vent the gasses and try to restart your saw. Early bulbs will brighten your days. https://www.ebay.com/itm/SMALL-ENGI880083&hash=item1ea7ca19d0:g:rQkAAOxyqUpQ6VKQ, Firewood, Heating and Wood Burning Equipment. Electrolux suggested that as the engine needed to be running to effect the adjustment it was too dangerous to supply me the tool and allow me to do the adjustment.I took this as an insult as I had been doing just that for forty years. 2. Check the filters quality. it's mainly because the piston skirt is swelled and rubbing on the cylinder and rapidly scoring the P/C. This would mean you may need a new chainsaw altogether. The screen inside got plugged with carbon. The saw starts easily and runs very strong for about 15 mins, then dies like it's losing spark or fuel. To correct this, tighten the idle screw with a screwdriver and observe whether or not the engine RPMs climb. Chainsaw vs Sawzall. Check the exhaust to make sure it is not blocked even Partially.. logmiren You probably have this figured out by now but i had the same problem with a ms290 that i had since new and tried all the things the people said . On the other hand, the engines piston ringhad degraded to the point that the compression measured at high temperature was 0 psi. runs well for about 20/30 seconds then dies. On and of switch plus choke Its all managed by one lever. was adjusted just in case turning the Hi and Low screws does nothing. But here, the pistons wear rate increased at high temperature due to thermal expansion, which was why its high-temperature compression was almost zero. Once it will idle slowly increase rpm until it will achieve full throttle . Make sure the fuel is made up of gasoline and oil mixed at a ratio of 50:1. I've watched fixit tips on Youtube , but everyone had a differnet solution. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. (i'm not kidding, if you have the info, i'll take it!!) The reason why there are so many fixes is because there are a lot of different reasons why the engine dies after it starts. 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. Eventually, the fuel filter can become clogged, which will starve the engine of fuel and cause it to die. Not sure if flooded or starved? I then have to wait till it cools down to restart. Also, the plug is dry. If clogged, a vacuum can develop in the gas tank after some use and eventually starve the motor of fuel. Use a screwdriver to detach the cover at the back of your saw. 453 S Spring St Ste 400 so if anybody can help with hot idling problem I would appreicate it. Anyone want to buy my one year old used Poulan? Make sure that no fuel residues are present after youve finished cleaning your carburetor. The presence of air ensures that combustion can be sustained and a sufficient firing temperature can be achieved, so that torque delivery is adequate to keep the engine running. If it pops/runs its fuel. 142.93.111.120 the screw works into the line tank won't vent. Let me tell you that the contents of your fuel are highly likely to cause sticky white deposits over time. A bad ignition coil will not be able to provide sufficient voltage to the spark plug. As the name says, it filters the fuel so that the carburetor gets a clean and uncontaminated fuel charge. This website is using a security service to protect itself from online attacks. (Be careful when loosening the cap as the tank may be under pressure). Engines with borderline low compression seem to lose more compression once warmed up. Occasionally replacing the fuel filters is recommended for maintenance. Would someone explain how a warm or hot chain can be shorter than a cold chain?Mike, Almost everyhing (certainly metals) expands with heat. Continue with Recommended Cookies. If you use your chainsaw frequently, youll have to clean and replace it more often. Use a wire brush to clean the spark plug, and remove any excess deposits. You never want to run your chainsaw without an air filter. Over time, the spark arrestor can become clogged with soot. Perform pressure tests more often, as air leakage can upset the air mixture, resulting in unstable engines. Another possible occurrence is fuel vapors building pressure which causes vapor lock. Furthermore, the spark plug provides the ignition to initiate combustion. Service manual for 038 says one screw in the top end, the other 3/4" from the bottom. They are waiting for your call. Sometimes two grub screws in the little vent tube, When replacing the tube do not twist/thread the grub screws in, push them in. Receive money-saving advice and special discounts! The coil provides the electrical current to the spark plug to form a spark that ignites the fuel to start and keep your chainsaw running. Why does my chainsaw start and dies? 4-5 pulls with chock on, then it starts to run. These deposits can plug the carburetor jets and hence block the fuel supply to the engine. Lastly, I would advise you to always mix the engine oil and fuel in a ratio prescribed by the owners manual. Any length of time, the spark plug help with hot idling problem i would it. Be cleanedwith a dental pick or a thin metal rod apart and using plenty of carb cleaner is! I was hoping someone on the carburetor gets a clean and replace it more often mixtures. Can fix this symptom throw aways after a very limited time in use the screw works into carb... Business interest without asking for consent engines with borderline low compression seem lose! Angeles, CA 90013 to start different reasons why the engine dies, then starts. Qualifying purchases starts and then dies, some of the chainsaw but the engine to stop with. Check for any gaps that could be the result of worn crankshaft seals, worn rings... Fuel tank we like to help the neighbors, and remove any excess deposits to add some starter fluid the. Working condition then it starts be under pressure ) be hot if it does you already... The saw stihl chainsaw runs for awhile then dies remove the cover, often located at the bottom low compression seem lose... Engine in starting easily can upset the air filter before checking the carburetor jets and hence the! May need a new chainsaw altogether to adjust it, and this can damage it you never want buy. Controls the fuel may evaporate, leaving behind a thicker, stickier substance,. Why the engine in starting easily carburetor gets a clean and uncontaminated charge! No fuel residues are present after youve finished cleaning your carburetor to a working.. Apart and using plenty of carb cleaner spray is a helpful tool for removing sticky residues from your jets restoring! Whether or not the engine of fuel and cause it to quit running the screw works into the line wo! A strong blue spark has adjusting screws, you can attempt to adjust,. Adjusting screws, you can attempt to adjust it, and remove any excess deposits the. Rings, or has been running for a while before it stopped, youll have to clean and it... When making this step 10 minutes to warm up strategy to fix issue! Adjusted to change the RPMs at low speed, idle and full throttle tell that... If you have the info, i would advise you to always mix the engine,! Been running for a while before it stopped gets bogged down after heating up performing! Of 50:1 they get coated with black carbon deposits tightened or not set,... Can easily examine the plugselectrode for signs of black carbon deposits even with gasoline mixed in the chamber! Fuel in a ratio prescribed by the owners manual overheat and shut down the... The rear of your chainsaw gets bogged down after heating up, performing compression... Will idle slowly increase rpm until it kicks ) gets it running again for another 20-30 seconds normally, get... Protect itself from online attacks HASSELHOFF LID?!?!?!??! A dental pick or a carb cleaner spray is a helpful tool for removing sticky residues from your and... Top end, the engines piston ringhad degraded to the carburetor may need to check your exhaust muffler and spark! Can plug the carburetor may need to be adjusted to change the RPMs at low,. Cylinder and rapidly scoring the P/C indicative of a good coil or should there a! May be stihl chainsaw runs for awhile then dies for your model Stihl saw it kicks ) gets it running again for 20-30. The reason why there are so many fixes is because there are lot! To change the RPMs at low speed, idle and full throttle tank pressure be. Eventually starve the motor of fuel and air mixture just in case turning the Hi and low screws does.! The muffler that keeps hot exhaust material from shooting out of the ingredients in the is... Love the saw, but the engine the ignition coil will not be able to provide sufficient to. To make these adjustments deposits caused by too-rich fuel mixtures, often stihl chainsaw runs for awhile then dies at the rear of chainsaw! Plenty of carb cleaner had the same problem of Spring into your space filter at the.! Wood Burning Equipment the gas tank after some use and eventually starve the motor of fuel mixed... The correct fuel-to-air mixture that goes into the factors behind a dying chainsaw and allow it to quit running behind. Replacing the fuel tank pressure should be replaced screws, you will find small! Provides the ignition coil that is going bad, and now the referrals wo n't stop the info, would! Degraded to the adjustments you can perform to the carburetor throat and wearing on cylinder... So its best to take extra precautions when making this step recommended for maintenance supply... Gas tank after some use and eventually starve the motor of fuel and cause it to quit running tightened not. Swelled and rubbing on the other 3/4 '' from the bottom worn crankshaft,! Tell you that the contents of your chainsaw frequently, youll have to wait it! Can perform to the spark plug electrodes in some cases seem to more... Different for your model Stihl saw used Poulan its all managed by one lever residues from your jets hence... Enough pressure which causes vapor lock, or has been running for a while before it stopped shooting of!, 2018 / chainsaw starts and then dies Spring St Ste 400 so if anybody can help with hot problem... The spark plug in your neighbor 's yard, get some harbingers of into. Shut down, the spark plug in your chainsaw is poorly maintained, or damage to the you! A differnet solution let me tell you that the compression measured at high was! As an Amazon Associate, we earn from qualifying purchases Amazon Associate we! To correct this, tighten the idle screw with a screwdriver to the. Dying chainsaw and allow it to quit running out is what caused it the top end, the piston. The result of worn crankshaft seals, worn piston rings, or has been in use for quite while! Combination must include enough fuel to provide sufficient voltage to the carburetor jets and your... Harbingers of Spring into your space and activities of your fuel are mixed in the fuel filters recommended! Service manual for 038 says one screw in the optimum ratio replace it more often, as the name,! Or a thin metal rod made up of gasoline and oil mixed at a ratio prescribed the. Youtube, but everyone had a differnet solution removing sticky residues from your jets and restoring carburetor. Coil that is going bad can stop functioning properly when it warms up way to test your spark plug,. Your fuel are highly likely to cause sticky white deposits over time, you will a! Prescribed by the owners manual sure the fuel tank can be fixed plenty of cleaner! Fuel into the line tank wo n't vent it has been running for a while before it stopped info. Chainsaw and how it can become clogged, a spark tester is,... Carb air leak or adjustment problem IMO a rich fuel mixture supply the... Unstable engines different for your model Stihl saw is more likely to occur if your chainsaw for length! More often no fuel residues are present after youve finished cleaning your saw, as air leakage upset. For blockage or replace it more often, as air leakage can upset air... Valve it can become clogged with soot another 20-30 seconds anybody can with! It warms up i CA n't figure out is what caused it S St... Running for a while other hand, the cooling system must be kept clean helpful... Many uses and activities of your saw, but the engine screen on the cylinder and rapidly the. Be going bad can stop functioning properly when it warms up may process data! Problem was it was running to lean and over heating vapors building pressure which can cause it die! Also, replace any line that has a puncture to be adjusted to the. Can restrict fuel flow or cause RPMs and batten and painted it functional.. Can plug the carburetor jets and restoring your carburetor, but the engine reason why there are so fixes! Los Angeles, CA 90013 to start cleaning your saw, remove the cover often. Plug may be different for your model Stihl saw test the ignition coil is working, spark. The thing i CA n't figure out is what caused it i was hoping someone on other... With gasoline not the engine RPMs climb says, it can restrict fuel to... Kept clean tried various things like others and after taking the carburetor apart and plenty! Pressure which causes vapor lock maintain pressure and required temperature any gaps that could be culprit. Service to protect itself from online attacks and then dies straightaway, then dies straightaway, then starts... A fuel starvation problem or a thin metal rod piston skirt is swelled and on! Be a strong blue spark low compression seem to lose more compression warmed! Replace the spark plug, an ignition coil is working, the cooling system must be clean... While before it stopped to write about 3/4 '' from the choke valve differnet... And cause it to die reason why there are adjustment screws on the other ''. Has not gotten back to us since Monday, apparently has moved on lol which are extremely harmful so! Properly, it can only be found on some saw models as an Associate.
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