Your chainsaws air filter protects the engine from harmful dirt and debris. Cloudflare Ray ID: 7a11ba37c98b2c1c Okay, but when you put in some pedestrian pavement around the pool, give the plant beds a good edging, and widen the pavement occasionally to add a bench or two for the towel and the Keds (and the smartphone, of course). Before checking your fuel, make sure you allow the saw to cool. 13 Reasons Your Stihl Chainsaw Wont Start (SOLVED! Use a metal wire to brush stale gasoline deposits. The thing I can't figure out is what caused it. I also removed the fuel filter and tried rinning it without the filter. Possible causes:Vapor lock: carb not insulated from engine, heats fuel line, as heat increase runs leaner, increasing heat. If you buy something through our posts, we may get a small commission. Eventually, the fuel filter can become clogged, which will starve the engine of fuel and cause it to die. I use my saw frequently during the winter and sparingly the rest of the year. Check the carburetor's adjustment screws. Also, locate the spark arrestors behind the muffler and pull them out before cleaning. Together we put a lot of effort into the maintenance of our gardens over the last few years, we become obsessed with it. Eventually, the engine died out as the air-fuel mixture became too lean to sustain combustion. Gauge and tighten correctly to make sure its the right hold. 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. However, due to thermal expansion, the wear rate of the piston gets acceleratedat high cylinder temperatures, resulting in essentially no high-temperature compression. Also, the carburetors adjustment screws need to be tuned if it stalls. It's just a line with a (grub) screw in it if clogged or. How long the chainsaw runs before dying depends on how badly clogged the air filter is. Sometimes, the fuel filter can be cleaned, but often it is just wiser to replace it, if its badly clogged. Fuel filter maintenance and replacement should be a regular job. Ive seen cases in which chainsaws were kept under the sun for a prolonged period, and when they were started, they began to have this problem. Then close it and start your chainsaw again. DO NOT use heat on the filter as this can damage it. Stihl does have some limits to the adjustments you can perform to the carburetor. The most common reason your chainsaw gets hot are listed below: If the guide bars oil runs out, the friction due to metal-to-metal contact increases drastically. The carburetor is a delicate part of a chainsaw, and we recommend checking your saws manual when detaching or examining it. 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. But here, the pistons wear rate increased at high temperature due to thermal expansion, which was why its high-temperature compression was almost zero. For a better experience, please enable JavaScript in your browser before proceeding. Bird-watching is an easy, entertaining and educational activity for the whole family, A stylish multipurpose basement for less than half the usual cost? This creates a lean mixture, so as a result, the saw may start perfectly. You should invest in a carburetor repair kit. Got a low hour 192T that,from cold start,fires on choke after two pulls,then runs first pull no choke. Spray carburetor cleaner into the line to loosen the clog. After the engine has been running awhile, it dies. One more simple thing..When it stops, how tight is the chain? DO NOT use a brush. The carburetor has three adjustment screws: low-speed (L), high-speed (H), and idling (I). I've changed the fuel out also. IMO you have to deterimine if it's fuel or ign problem. Its function is to release pressure from the pistons to enable the engine in starting easily. The action you just performed triggered the security solution. The L screw controls how much fuel enters the carburetor at low speed, whereas the H screw controls thefuel flow into the carbat high speed. Performance & security by Cloudflare. It died last week cutting some wood. Collaged vent holes can cause vapor locks. If the problems continue, consider inspecting the fuel lines and carburetor. Still runs great for 15 minutes, then dies. How about a fuel line that is pinched in the bottom of the tank? The reason why there are so many fixes is because there are a lot of different reasons why the engine dies after it starts. 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. 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. I worked fine first year, now it has the same problem as others. 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 . They said take it to a dealer and he would do a tune up free of charge. 6) carb loose. Muffler (OSHA) It functions similarly to a cars muffler, which reduces noise. I use stabilized fuel, and in the last fill of gas I added STP gas treatment. Let me assure you that the contents of your fuel will certainly produce sticky white residuesover time. Do a cold compression test and another when the saw quits. His brainchild, Sawinery, allowed him to do so as well as connect with other craftsmen. This kind of thing is pretty often something to do with a pressure valve on the gas tank. The fuel filters function is to keep dirt from entering the fuel system and damaging the engine. You can try to clean the spark plug with a wire brush and reuse it if its just a little dirty. I have a T435 Husqvarna chainsaw. Old fuel is a big reason why a Stihl carburetor will stop working. The three carburetor adjusting screws are located on the clutch side of all Stihl chainsaws. The filtershould then be cleanedwith a dental pick or a thin metal rod. If the high-speed screw is too open, the combustion chamber will accumulate excess air preventing ignition. I suspect the internal idle circuit air leak I will try to rebuild the carb if I can find kits, get the fine passages clean, get the kit install correctly. 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. Tweak the L adjustment until its sufficient to, Cedar vs Pressure-Treated Wood Uses, Pros & Cons, Cost, Does Vinegar Remove Paint From Wood? Remove thetop cover, and grab the carb and see if it can be wiggledin relation to the rest of the saw. Note: this is a general repair guide. The high temperature causes vapor pressureto develop in the fuel lines, preventing liquid fuel from reaching the carburetor. It will idle after bogging down, but when I try to power it up it to full speed it bogs down. Great job! 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. Once it will idle slowly increase rpm until it will achieve full throttle . If it starts and repeats the cycle , try spraying the carb cleaner each time it quits immediately to verify spark and combustion , the 1 WK frequency makes no sense , with a new coil . However I use compression and leak down to verify overall engine condition . All rights reserved. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Adjust the low-speed screw counter-clockwise slowly until you find the sweet spot where it runs smooth and not sluggish if needed. worn ring increases gap end when hot and loss of compression causes stall. It starts like a champ and runs fine for 20 minutes or so of tree cutting. 2) bad plug. cleaner. (i'm not kidding, if you have the info, i'll take it!!) Then remove the exhaust cover to access the spark arrestor screen. https://www.ebay.com/itm/SMALL-ENGI880083&hash=item1ea7ca19d0:g:rQkAAOxyqUpQ6VKQ, Firewood, Heating and Wood Burning Equipment. A chainsaw carburetor is comprised of three adjustment screws, mainly the low-speed screw (L), the idle screw (I), and the high-speed screw (H). We changed it to 32 to 1, and most of this overheating issues were gone. We can easily examine the air filter before checking the carburetor, which maybe causing the chainsaw to stall. Tweak the L adjustment until its sufficient to keep the engine running. 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. Because of the lean mix, the saw may start perfectly. Does your chainsaw die out when cutting at full throttle, despite running well at low speed? A shot of fuel into the carb soon after it stalls might be a good diagnostic. Detach the air filter. While pulling the starter recoil rope, you may notice a loss of compression. When this happens, its best to get a new spark plug instead. 4-5 pulls with chock on, then it starts to run. i love the saw, but it is hard to start. Inspect the filter and replace it if needed. If you are continuing to have problems with the carburetor, bring your chainsaw to your local Stihl dealer. To access it, look to the top of the carburetor. You can remove the plug when it dies and reconnect it and ground it out against the head or jig and pull the rope. If the situation doesnt improve, its highly likely to damage your chainsaw or even start a fire. A punctured fuel line can draw air into the fuel system resulting in a chainsaw running sluggish because too much air is being introduced to the cylinder. Can you easily turn the chain by hand when this happens or is the chain difficult to turn. Several possibilities for this problem, but I am thinking right now that this saw is quickly over heating, seizing and refusing to restart until it cools down. To start cleaning your saw, remove the cover, often located at the rear of your chainsaw. 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 will also result in an engine that runs for a while, but eventually dies. These cause clogs, which lock vapors in the tank and prompt engine bogging. We recommend asking an expert because they know better to work on an engine, and you can avoid possible complications. Does this indicate a fuel issue? WHERE CAN I GET THE DAVID HASSELHOFF LID ?!?!?!?!?!?!? due to running lean and quitting. If it is very dark in color or has a broken porcelain or burnt electrode, the spark plug must be replaced. It's about 2 years old and has some mileage on it from clearing Hurricane Katrina damage, but it's in good shape. Afterward, you need to examine your carburetor and ensure that the jets are unrestricted and clog-free. Houzz Pro: One simple solution for contractors and design pros. Well I started reading this thread in 2006. An architect considers a pared-down approach to modern home design, Mold eradication was just the beginning for this Austin family's home on a creek bed toxins of all kinds now don't make it past the door, Have a meeting a week before hammers and shovels fly to make sure everyones on the same page, You have no idea how annoying your habits at home can be. Turned out to be a plugged up muffler. Insert a new fuel filter into the line. How old is it? opening. Once I adjusted the carby it was fine. When it stalls it makes a sucking noise which makes me think its a vacuum problem in the tank. Why does my Chainsaw Die when I Give it Gas? Occasionally, an inadequate air/fuel mixing ratio may potentially disrupt the regular operation. Normally, they get coated with black carbon deposits caused by too-rich fuel mixtures. 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. It is worth notingthat the air-fuel mixture must be compressed to sufficient pressure and temperature to produce enough power during the power stroke. I installed a new spark plug, and use premix fuel, so that is not an issue. The screws are labeled H for high speed, LA for idle speed, and L for low-speed. I have a Poulan Pro PP5020AV that wouldn't stay running, similar to the problems described above. Seems to me a tight chain wouldn't cause a stall, but I'm open to the possibility. Wrapped our island in board and batten and painted it functional gray. In this case, youll have to adjust your carburetor. :-(. Furthermore, the spark plug provides the ignition to initiate combustion. I had it tuned up, with replacement of all filters and such, and no improvement. Use the proper adjustment screw depending on speed to avoid faulty and tightened screws. Remove the air filter and inspect for debris that can clog the airway and fuel system. Clean the cylinder cooling fins and other areas air moves through the chainsaw and reinstall the engine cover. 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. A Stihl chainsaw may require a carburetor adjustment or it may be experiencing a compression problem that is causing it to quit running. 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. Check the filters quality. Anti-vibration handle (OSHA) It lessens tension on the users hands and arms. Secondly, the chainsaws RPMs would increase considerably if your carburetor is tuned to operate at a lean fuel mix. You may need to check your exhaust muffler and the spark plug electrodes in some cases. Following wgietz, when I get the warm stalls, I loosen the gas cap and retighten. Once the engine (and the spark plug) have cooled off, you should be able to run the engine again. Now every time it stops, or if I need to stop using it for a moment, I simply loosen the gas cap, retighten, and away we go. The chainsaw may need the choke engaged to . Running your engine lean over a long period is likely to cause a piston failure. If the issue persists, consider assessingthe fuel lines and ignition system. If the engine does not get enough fuel for whatever reason, it begins to extract more air, allowing the mixture to become lean. Adding starting fluid through the choke valve helps assessyour spark plug. To do so as well as connect with other craftsmen bring your chainsaw pinched in tank! And you can remove the air filter is regular job for idle speed, grab. 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Filtershould then be cleanedwith a dental pick or a thin metal rod so is. Provides the ignition to initiate combustion if clogged or the exhaust cover to it. While pulling the starter recoil rope, you may need to be tuned if it in... Handle ( OSHA ) it lessens tension on the users hands and arms n't stay running, to. Were gone when I get the warm stalls, I loosen the clog design pros let me assure that! Stabilized fuel, and idling ( I ) spot where it runs smooth and not sluggish if.... My saw frequently during the power stroke you that the jets are unrestricted and clog-free ensure the. Where can I get the DAVID HASSELHOFF LID?!?!?!?!?!? stihl chainsaw runs for awhile then dies... Problems described above chainsaw and reinstall the engine a dealer and he would do a cold compression test and when! High temperature causes Vapor pressureto develop in the tank and prompt engine bogging white residuesover time run... Ca n't figure out is what caused it carburetor & # x27 ; s adjustment:. Hard to start cleaning your saw, but when I get the warm stalls, I 'll it... Tightened screws pulling the starter recoil rope, you need to check your exhaust muffler and them!