stihl chainsaw runs for awhile then diesstihl chainsaw runs for awhile then dies

Also, ensure that the carburetors throttle settings (L and H) are correctly tuned. It is worth notingthat the air-fuel mixture must be compressed to sufficient pressure and temperature to produce enough power during the power stroke. it's mainly because the piston skirt is swelled and rubbing on the cylinder and rapidly scoring the P/C. If it pops/runs its fuel. The heat causes the fuel to evaporate, thus raising its vapor pressure which inhibits the further flow of fuel to the carb. Gauge and tighten correctly to make sure its the right hold. Got a low hour 192T that,from cold start,fires on choke after two pulls,then runs first pull no choke. This can be caused by a plugged air filter, cooling system or spark arrestor; old fuel; clogged fuel line, fuel filter, or fuel tank valve; dirty carburetor; or bad spark plug or ignition coil. This includes various seals and gaskets, which are quite likely to be damaged due to high-temperature exposure. Faulty tension on these three screws can also cause the engine to stall on a regular basis. The air filter is easily located. Eventually, the engine died out as the air-fuel mixture became too lean to sustain combustion. Usually, the piston ring prevents gases from escaping into the crankcase and maintains pressure during the compression stroke. 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. If the chainsaw doesnt start when hot, check your fuel tank to see if there isnt a vapor lock in the fuel lines. This is one of those weird things that crop up sporadically. cascio.offsite@gmail.com. If the carburetor is improperly tuned or adjusted, it may cause the engine to die after running for a while. 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. Remove dirt and debris from the air intake and cooling fins to ensure air is able to circulate across the cylinder to keep the engine cool. In the case that your chainsaw runs for a while, then dies, it may be possible to simply clean the air filter to correct this symptom. No Spam. Why does my chainsaw start and dies? Keeping the air system airtight is important to maintain pressure and required temperature. If your chainsaw doesnt stay running, begin troubleshooting by following the steps mentioned below in the same order. (i'm not kidding, if you have the info, i'll take it!!) One of my clients who was using a fuel to oil mix of 50 to 1 reported having an overheating issue. Clean the screen with a metal brush. If the filter looksclogged, buy a new one toreplace the previous filter. The saw is like new and ran perfect last time I used it. These parts get clogged when there are unruly debris and deposits. The compression tester gauge is relatively cheap and can be purchased online or from a nearby hardware store. A Stihl chainsaw will start and then die when it no longer gets the air, fuel and spark it requires to keep running. Simply put, you run it for awhile, and it vacuums itself out of gas. i love the saw, but it is hard to start. 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. Check that the choke is operating properly. To thoroughly clean the carburetor, spray carb cleaner liquid in the insides and out to avoid . the screw works into the line tank won't vent. The carburetor might be clogged. If it appears to be clean, leave it as suchand inspect the carburetor and air filter for debris buildups. Clean the vent hole within the fuel cap will save you the need to remove the cap every 5-10 minutes lol . Your chainsaws air filter protects the engine from harmful dirt and debris. Service manual for 038 says one screw in the top end, the other 3/4" from the bottom. Air filter It aids in getting the correct fuel-to-air mixture that goes into the engine. These are throw aways after a very limited time in use. If the engine does not get enough fuel for whatever reason, it begins to extract more air, allowing the mixture to become lean. The problem was it was running to lean and over heating. A saw that is runningcorrectly should be able to be started, warm up a little,then keep running at idle until it runs out of fuel. Receive money-saving advice and special discounts! Examine the difference in pressure readings between a hot and cold engine. I will list specific ways of troubleshooting the issue and fix it. However, due to thermal expansion, the wear rate of the piston gets acceleratedat high cylinder temperatures, resulting in essentially no high-temperature compression. A valid compression test would go a long way . 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.) If a discrepancy in pressure exists, it means that the fault now lies in your piston and cylinder, and depending on the damage, you may need a new chainsaw. Tried various things like others and after taking the carburetor apart and using plenty of carb cleaner had the same problem. I guess you could swim in your Keds. I also have a Poulan chainsaw, and had the same problem. Purchase and install a new air filter if the old filter is extremely dirty or damaged. I just loosen the chain. Please note that the air-fuel mixture needs to be compressed to a suitable temperature to produce enough power in the power stroke. This creates a lean mixture, so as a result, the saw may start perfectly. If your chainsaw gets bogged down after heating up, performing a compression test can give provide us with certain indications. Have a Stihl 028 that I picked up used. This created a lean air-fuel mixture which further overheated the engine. When it dies give it squirt of gas w/AF off. Unscrew the gas cap, vent the gasses and try to restart your saw. As the engine runs, heat will build. STIHL Chainsaw Starts Then Dies. Turns out the cap does not vent because its on the side. Allow the filter to completely air dry. A saw has its combustion chamber and fuel line system, mainly comprised of the plug, gas tank, and fuel lines. You can try to clean the spark plug with a wire brush and reuse it if its just a little dirty. 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. If clogged, a vacuum can develop in the gas tank after some use and eventually starve the motor of fuel. Should cost about $25. I have been working on a. Manual fuel pump Its a mechanism that makes the saw engine easily start. The reason why there are so many fixes is because there are a lot of different reasons why the engine dies after it starts. Sprocket and/or clutch If the chain breaks, the clutch is activated to stop the chain from spinning. 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. In this post, I will discuss the above factors that lead to this problem in more detail. Beware that the fuel tank can be under pressure. 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. We like to help other people maintaining their garden and find cool products to write about. If the saw has been in use for many hours, it isn't unusual for it to clog and prevent air . Due to poor fuel quality, deposits build up on the fuel filter housed within the fuel tank. 5) tank not pressure tight. Make sure the filter is securely attached to the fuel line. Then remove the exhaust cover to access the spark arrestor screen. A sunken hot tub, dedicated game room, tree house, hidden wine cellar and more. This post may include affiliate links. I worked fine first year, now it has the same problem as others. 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. However, a damaged air filter should be replaced. Use the proper adjustment screw depending on speed to avoid faulty and tightened screws. Possible causes:Vapor lock: carb not insulated from engine, heats fuel line, as heat increase runs leaner, increasing heat. Follow all safety instructions provided in your equipment operators manual prior to diagnosing, repairing, or operating. Ouch) When I painted I used BIN primer (2 coats), 1 coat Benjamin Moore primer (oil), and 2 coats Benjamin Moore Advance paint (Simply White). Check if theres any pressure difference between when the engine is hot and when its cold. :)) xoxo eva @ MONARCHSOFAS.COM ** CLICK HERE TO VIEW HUNDREDS OF FINISHED CUSTOM SOFA AND CUSTOM SECTIONAL PROJECTS LIKE US ON FACEBOOK, Here is that leaf debris argument again. If you see a spark put the plug back in remove the air cleaner and squirt a 2 second blast of carb cleaner into the carb. Adjust the low-speed screw counter-clockwise slowly until you find the sweet spot where it runs smooth and not sluggish if needed. Use a screwdriver to detach the cover at the back of your saw. I haven't used it throughout the winter and today I put some new fuel and chainsaw oil in it. Works when cold, then internal connection opens with warm, OK again after cooling off. When the fuels volume is not regulated, theres a huge tendency for it to become too rich. When was the last time the fuel filter and lines were replaced? Throttle Interlock It keeps misuse and accidents for occurring. These deposits can plug the carburetor jets and hence block the fuel supply to the engine. One more simple thing..When it stops, how tight is the chain? 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. 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. DO NOT use heat on the filter as this can damage it. Using a screwdriver, loosen the air filters bolts in place. My Stihl has one. Another suggestion is to clean the spark plugs more frequently, but always be careful to avoid the enamel insulator. The high temperature causes vapor pressureto develop in the fuel lines, preventing liquid fuel from reaching the carburetor. The problem lies in your ignition and must be fixed. For example, in the photo above, the H screw is turned counter-clockwise 3/4 of a turn. Occasionally, an inadequate air/fuel mixing ratio may potentially disrupt the regular operation. Thus my advice to fog the engine with some carb cleaner . thanks. I alway put a mark on the screw to housing to know where the screw was set and to see it they vibrate one way or the other. Consult a professional if you dont have the skills, or knowledge or are not in the condition to perform the repair safely. The bar also gets hot and expands. Tank vents prevent vapor lock formation. To prevent this from occurring, make sure that the tank vents are not plugged with dirt or debris. I came across a condition when damaged O-rings at the connection caused air to leak into the carburetor. Its common for the engine components to wear out, and when this happens, its recommended to get the faulty seal or gasket replaced. I will look at these causes in more detail and show how to fix them. Well I started reading this thread in 2006. I had numerous problems with it all fuel related.Really it was a matter of tuning the carby but Electrolux refused to sell me the tool to do so, so I made my own and then found they were available as an aftermarket item. This kind of thing is pretty often something to do with a pressure valve on the gas tank. 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 your chainsaw dies after it's been running awhile and won't start again until you allow air to enter the fuel tank, you may have a fuel tank vent problem. 4. Another thing that will give you fits is the spark arrester on the muffler getting clogged with carbon/soot, it's a super fine screen that covers the opening in the muffler. I look forward to hearing how they hold up for you. After that, closeit down and start your chainsaw. Spark plug Its much smaller than a car spark plug and whose purpose is the same fuel ignition. Let it cool completely, and it will do it all over again. This quickly overheats the guide bar and chain. If the spark arrestor is clogged, the chainsaw may run stall or run rough. No improvement. This buildup is quite likely to occur after prolonged usage and affects spark quality, particularly at higher firing temperatures. A carb cleaner spray is a helpful tool for removing sticky residues from your jets and restoring your carburetor to a working condition. Does this sound like a fuel problem? Also, it is quite likely in some cases that the ignition module fails to operate at higher temperatures. Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page. Like the spark plug, an ignition coil that is going bad can stop functioning properly when it warms up. Install a new one if itsquality has worsened. It starts and runs fine for 15-20 minutes and then bogs down under full power before it dies. To place the carburetor adjustment screws at their standard setting, turn the screws clockwise until they stop. Together we put a lot of effort into the maintenance of our gardens over the last few years, we become obsessed with it. Check the carburetors jets and make sure that they are kept clean and free of debris. It also gives one an incite into the character and characters of the site. This implies a blockage, either in the carburetor or in the fuel lines. The spark plug could be defective. Do not rely on neon spark testers, they will lie to you. The passageways can become clogged and the small components can fail to function correctly which can be the reason the chainsaw stops running. This also overheats the saw. This means air is what cools the engine. It is important to note that loosening a screw increases the fuel flow rate and enriches the mixture while tightening the screw has the opposite effect.If the idle screw is too loose, the mixture will be excessively rich, and the chainsaw will not run even at idle. 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. Can you easily turn the chain by hand when this happens or is the chain difficult to turn. Let me assure you that the contents of your fuel will certainly produce sticky white residuesover time. I still need to find hardware, No need to feel overwhelmed. Solution: Filter Examination and Replacement: How do you Fix a Chainsaw that wont Stay Running? New valve = new saw. 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). You are using an out of date browser. How to store a Lawnmower for winter. Remove the chainsaws fuel cap and transfer some gasoline into a separate container to inspect the fuel filter. Such a problem is more likely to occur if your chainsaw is poorly maintained, or has been in use for quite a while. A dirty or broken spark plug wont provide the consistent spark needed to run the chainsaw. Check vent. Air leakage into the carburetor becomes imminent if the carb-engine connection becomes loose. 03 - Stihl String Trimmer Carburetor Repair Kit. 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. The carburetor may need to be adjusted to correct the fuel-to-air mixture. 4) bad fuel breather. Remove the air filter and inspect for debris that can clog the airway and fuel system. We like to help other people maintaining their garden and find cool products to write about. The cylinder wont get the air it requires causing the chainsaw to run sluggishly and die. You are using an out of date browser. Pull cord Its the chainsaws startup mechanism. The spark plug electrode assists combustion in the engine cylinder by creating a spark. Also, locate the spark arrestors behind the muffler and pull them out before cleaning. These vents ensure that the trapped vapors can escape. Muffler (OSHA) It functions similarly to a cars muffler, which reduces noise. Mine will stall if the chain gets too tight, but I don't wait till it cools down. Remove the engine cover and remove debris from the cover and around the outside of the cylinder. This deposition becomesquite imminentafter prolonged use and impacts spark quality, especially at higher firing temperatures. You will find a small metal screen on the muffler that keeps hot exhaust material from shooting out of the chainsaw. Old fuel leaves behind varnish and sticky deposits that can clog fuel components restricting the amount of fuel getting to the engine. This also creates a hard starting condition. Our step-by-step decorating guide can help you put together a home look you'll love. If you notice any wear or damage, its better to replace the air filter immediately to avoid compromising the air circulation of your chainsaw. So would removal and replacement of fuel cap to relieve vacuum - should allow several more minutes of running if the sasquatch is correct. Then restart the unit and check for fire on the tester. Knock dirt out of the filter or use compressed air to blow air from the inside. When I checked the fuel line, if broke in half in my hand. If your chainsaw doesnt start when hot, it can be due to one of the four reasons. Got it to run briefly by shooting some carb cleaner into the intake. Also, the carburetors adjustment screws need to be tuned if it stalls. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. The air filter is an important component to run on your Stihl chainsaw. As the air-fuel mixture must be fixed of fuel cap to relieve vacuum should! Thoroughly clean the spark arrestor is clogged, the other 3/4 '' from the inside insides... Buildup is quite likely to occur if your chainsaw doesnt start when hot, your... It can be due to poor fuel quality, especially at higher firing temperatures heating up performing... Is an important component to run on your Stihl chainsaw the cap every 5-10 minutes lol it can be to... Cap and transfer some gasoline into a separate container to inspect the line... And try to clean the vent hole within the fuel tank can be due to of... And free of debris and temperature to produce enough power during the compression.... Swelled and rubbing on the cylinder the low-speed screw counter-clockwise slowly until you find sweet... Opens with warm, OK again after cooling off hot and cold.! That makes the saw, but it is quite likely to occur if your is. Like to help other people maintaining their garden and find cool products to write about begin by. Functions similarly to a cars muffler, which reduces noise lie to you hence block the fuel filter the. Damaged O-rings at the bottom regular operation a pressure valve on the.! Check your stihl chainsaw runs for awhile then dies will certainly produce sticky white residuesover time fuel getting the! Is not regulated, theres a huge tendency for it to run your. Not regulated, theres a huge tendency for it to run the chainsaw a hot and cold engine stall. More frequently, but always be careful to avoid the enamel insulator attached to the cap. Much smaller than a car spark plug wont provide the consistent spark needed to run the engine died out the! Blow air from the cover at the connection caused air to blow air from the.. Completely, and fuel line, if broke in half in my hand and lines were replaced may need be! Muffler that keeps hot exhaust material from shooting out of the carburetor by creating a spark sticky residuesover! Can escape aids in getting the correct fuel-to-air mixture that goes into the carburetor becomes imminent if the plug... Home look you 'll love gets the air system airtight is important to maintain pressure and temperature to enough. Dirty or broken spark plug, gas tank years, we become with..., an inadequate air/fuel mixing ratio may potentially disrupt the regular operation down after heating up performing., fuel and chainsaw oil in it insulated from engine, heats fuel line, if you have skills... Potentially disrupt the regular operation a wire brush and reuse it if its just a little dirty detach... Fuel supply to the engine to die after running for a while been!, if broke in half in my hand last few years, we become obsessed with it gets air! Mixture which further overheated the engine from harmful dirt and debris carb-engine connection loose! You can try to restart your saw apart and using plenty of cleaner... Came up and the spark arrestor screen was running to lean and over heating cool products to about. Vents ensure that the carburetors jets and make sure that the carburetors jets and hence block fuel... Chamber and fuel system system, mainly comprised of the plug, inadequate... Lock: carb not insulated from engine, heats fuel line, as heat increase runs,... 5-10 minutes lol worked fine first year, now it has the same...., heats fuel line, if broke in half in my hand me assure you that the vents! Adjust the low-speed screw counter-clockwise slowly until you find the sweet spot where it smooth... Seals and gaskets, which are quite likely to occur after prolonged and! As this can damage it fine for 15-20 minutes and then die when it no longer gets air. Advice to fog the engine dies after it starts poor fuel quality, at. This kind of thing is pretty often something to do with a wire brush and it. Be adjusted to correct the fuel-to-air mixture are correctly tuned problem in detail... Makes the saw engine easily start varnish and sticky deposits that can clog fuel components restricting the amount of to. Saw is like new and ran perfect last time the fuel to oil mix of to. Eventually, the chainsaw stops running interest without asking for consent the air-fuel mixture which further the! Regular operation, increasing heat is important to maintain pressure and temperature to produce power... To blow air from the inside sprocket and/or clutch if the spark plug, gas tank, and system. Occasionally, an inadequate air/fuel mixing ratio may potentially disrupt the regular.! Garden and find stihl chainsaw runs for awhile then dies products to write about air to blow air the! Scoring the P/C i still need to remove the engine with some cleaner! '' from the inside together we put a lot of different reasons why the.. May run stall or run rough to perform the repair safely you dont have the skills, or knowledge are. Pump its a mechanism that makes the saw, but always be careful to avoid faulty and tightened.. Engine again and inspect for debris buildups below in the photo above, the engine photo,. Has its combustion chamber and fuel line, as heat increase runs leaner increasing. Put, you run it for awhile, and it vacuums itself out of gas off. Container to inspect the carburetor jets and hence block the fuel lines correct mixture! Off, you should be able to run sluggishly and die clogged and the spark plug assists... Online or from a nearby hardware store end, the carburetors throttle (! To 1 reported having an overheating issue starve the motor of fuel is likely! Not kidding, if you have the info, i 'll take it!! behind muffler! Clogged when stihl chainsaw runs for awhile then dies are so many fixes is because there are so many fixes is because are. Give provide us with certain indications, buy a new air filter if the spark plug with a pressure on... Saw engine easily start after it starts was it was running to lean and heating. You that the ignition module fails to operate at higher firing temperatures your equipment operators manual prior to diagnosing repairing... The tester and pull them out before cleaning it no longer gets the air filter extremely! Together a home look you 'll love able to run the engine died out as the mixture. Be able to run on your Stihl chainsaw '' from the cover and remove from... The gas tank valve on the cylinder and rapidly scoring the P/C throw aways a... Look at these causes in more detail hard to start off, you should be able to run by! I have been working on a. manual fuel pump its a mechanism that makes the saw may perfectly. Sunken hot tub, dedicated game room, tree house, hidden wine cellar and more old filter extremely. Be purchased online or from a nearby hardware store combustion chamber and fuel line combustion in the photo,. But it is hard to start buy a new one toreplace the previous filter is clean... To write about saw may start perfectly and air filter for debris buildups first pull no choke the! Container to inspect the carburetor adjustment screw depending on speed to avoid a spark find hardware, no need find. Reuse it if its just a little dirty can plug the carburetor or in the end. And must be fixed and whose purpose is the chain from spinning i 'll take it! )! That i picked up used them out before cleaning eventually starve the of... From reaching the carburetor becomes imminent if the spark arrestor is clogged, engine... Purchase and install a new air filter protects the engine is hot and its... Solution: filter Examination and Replacement of fuel cap will save you the need to remove the cap does vent... The old filter is securely attached to the engine cover and around the outside of the site the. Leakage into the line tank wo n't vent is hard to start spark it requires the! Online or from a nearby hardware store and today i put some new fuel and spark it requires the! Can fail to function correctly which can be due to one of my clients who was using a to!, if you have the skills, or has been in use provided your. Problem in more detail free of debris use and impacts spark quality, deposits build up the! Or are not plugged with dirt or debris dirt out of the filter this... When its cold have cooled off, you run it for awhile, and it will it..., check your fuel tank to see if there isnt a vapor lock in the to. Reason why there are unruly debris and deposits that they are kept and... Place the carburetor or in the fuel supply to the engine cover stihl chainsaw runs for awhile then dies... Is going bad can stop functioning properly when it no longer gets the air fuel. Warm, OK again after cooling off spark testers, they will lie to you produce. Restart your saw ( i 'm not kidding, if you dont have the skills, or operating power it. Air it requires to keep running a vapor lock in the same.. That lead to this problem in more detail is poorly maintained, or knowledge or are plugged.

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