Taking all of these potential issues into account and fixing them as needed should help to correct the issue and get your chainsaw running properly. It is difficult to get the proper high-speed adjustment by ear -- most pros use a tachometer. Allow the cleaner to sit for five to 10 minutes and then wipe away with a cloth. Select gasoline with a minimum octane rating of 89 and a maximum ethanol content of 10%. Bog down is straight-up the most infuriating issue when using a chainsaw. How to Adjust the Carburetor on an Eager Beaver Chainsaw. The ignition system includes the spark plugs, ignition coil, and exhaust muffler. Madsens Shop & Supply, Inc.: Carburetor Adjustment on Pro Saws, TEK Indoor Environmental: Stihl Chainsaw Carburetor Adjustment, Beautiful houseplants that also repel mosquitoes, cockroaches and other pests, The Tools for the Adjustment of the Carburetor on Craftsman Chainsaws. http://www.ebay.com/itm/STIHL-017-MS170-018-MS180-Replacement-CARBURETOR-CARB-/130584786959?pt=US_Chainsaws&hash=item1e6775b80f, Quote from: rstarkie on June 06, 2013, 09:50:21 PM, Quote from: Submariner on December 14, 2018, 01:42:06 PM, Running problems Husqvarna 246 and Shindaiwa 457S probably bad fuel issues, Figured Out My Efco 251 Fuel Starvation Problem (shuting off after 4 or 5 min. Prevent oil from accumulating in the engine. These screws are in charge of regulating the fuel flow to the carburetor under varied load circumstances. Also, check the lubrication hole for debris and clean your bar groove. Over 200+ free JavaScripts here! Nearly every weekend you will find us doing small or big jobs or just enjoying our garden. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. #1. +1-213-221-0119, By using this website I agree with the Disclaimer. Why does my Stihl chainsaw bog down when I give it gas? Chris Deziel has a bachelor's degree in physics and a master's degree in humanities. Click to see full answer. A carb cleaner spray is an excellent tool for eliminating sticky deposits from your jets and reviving your carburetor. Poor chainsaw maintenance is one of the lead causes of bogging. Save my name, email, and website in this browser for the next time I comment. ( 2 cents) the new gas seems to clog small motors Mike. Why doesmy Chainsaw Startand then Stop. If the fuel you are using is too old or is diluted, your chainsaw will not work correctly. I think the problem is ethanol in gas, espesially gas . For professionals and homeowners, taking care of their chainsaws is very important. On the High speed setting ensure that you do not have it running to lean (MAX RPM) I usually suggest max RPM (once warmed up) then turn it out until it diesels and then 1/8 turn in (leaner) . The carburetor has three adjustment screws marked on it. I have a MS250 that's only two years old and has barely been used. Here are the solutions for common reasons why chainsaw bogs down after giving it gas - 1. Why does the ECHO chainsaw bog down when cutting? This can be done with a vise, clamps, or any type of fastener that will stabilize your chainsaw. Other potential causes of bogging may include a spark plug that needs replacing, fuel that has gone bad, incorrect fuel-oil mixture, chain that is too tight, or even an over-revved engine. Even if you are a novice chainsaw operator, these spark plugsshould be updated at least once a year. Unless you are running an electric chainsaw (which is a totally different beast), your chainsaws motor is a combustion system that relies on a proper ratio of gas, oil, and air. This blog is written by a group of Garden Tool enthusiasts. (3 Common Causes). document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); Your email address will not be published. The carburetor might need: A clean-up if it's clogged. We pulled out the carb and opened it up, and the check valve looked perfect and everything was as clean and shiny as you'd expect a basically brand new saw to look. Chainsaw starts but dies when I give it gas. } So I am just wondering how to go about pulling the carb off the easiest way to check out the jets. Its quite perplexing, but this article will delve deep to unravel why the chainsaw bogs down when you give it gas and how to solve the problem. The rakers are angled low to high with the high end in front of the cutter. Another possible cause of a Stihl chainsaw bogging down is a broken or worn chain. When the mixture in the carburetor is too lean, the engine races and overheats and the piston can seize. Cleaning it by immersing it in a soap water solution is preferable. Over time, the spark arrestor can become clogged with soot. Using 10x magnifying classes I discovered a tiny piece of fiber partially clogging the high speed jet in the carb. Heres a quick rundown of daily, weekly, and monthly maintenance tips: Chains will loosen over time and use. The air supply is equally as important as fuel for a combustion engine. Jun 16, 2006. Its all about adjusting the carburetor, and a slight change in the orientation can lead to Chainsaws Bog. It has a new spark plug, clean air filter, n Chainsaw bogs down in cut in Chainsaws Have a Stihl 441 that starts and idles fine and even start cutting. If the fuel mix is old or has not been adjusted properly to the manufacturers specifications, refresh it or adjust it. To ensure any residue is removed, spray the inside of the carburetor with carburetor cleaner and scrub with a stiff brush. We like to help other people maintaining their garden and find cool products to write about. I guage the rakers and grind them when necessary. Even without an incident of stalling, it is important to carry out regular repairs. The proper fuel mixture is essential for effective, trouble-free operation. It should measure at 0.5 mm (0.20 in). If your Stihl chain saw purrs like a cheetah when it's idling but stalls when you actually try to do some work with it, it could indicate the carburetor isn't adjusted properly. Once youve reassembled the chainsaw and replaced the air filter, check for any other issues, like clogged fuel cap vent, and make sure all the screws have been secured correctly. If your Stihl saw keeps stopping, there could be several potential causes. After cleaning the air filter and spark arrestor, you should fill the tank, start the saw and let it warm up for a few minutes before adjusting the carburetor. You must locate the perfect setting at which the engine won't stop once the throttle is applied. To keep your chainsaw running smoothly, you should service it regularly and keep up scheduled maintenance visits with a reputable, authorized chainsaw service center. As a result, the fuel drawn by the carburetor reduces, causing the engine to stop running. After considerable usage, specific engine components like the crank seals and the head gaskets wear out and develop leakages. Outside of family, He loves grilling and barbequing on his Big Green Egg and Blackstone Griddle, as well as working on projects around the house. imagelinks[6]="http://www.ezboardwalk.com/" The spark plugs spark quality degrades over time, making it impossible to ignite the air-fuel mixture in the combustion chamber. Align the screws on the carburetor. Just took off the muffler and it all looks good. Besides the screw setting, check and ensure that the spark plug is in working condition and that the carburetor and fuel jets are properly serviced. If its clogged, replace it with a clean one. I took it back to the dealer and he said he adjusted something and handed back saying it would work fine. If your chainsaw dies when you give it gas, make sure that the low-speed screw (L) and the idle screw (I) are correctly adjusted. After this, check the air filter and carburetor for dirt and debris. When the saw bogs down during cutting, it's usually the high-speed screw you need to adjust. Some issues can be solved at home with the right tools, and some need professional help. All fuel supply components must be independently examined to address these difficulties, as discussed in the following sections. If it is stuck, try loosening the nut to free it up. Also cleaned muffler and replaced spark arrestting screen.All with no luck. Then there's the problem of wood binding. I doubt it has more than four or five hours on it. The H side means the high side and its adjustment.It is used to regulate the quantity of fuel that flows through the carburetor during fast paced RPMS.The L side of the chainsaw means the low side and it is used in adjusting the flow of fuel in the carburetor when there is a low RPM. random_imglink() All help is appreciated. imagelinks[2]="https://woodmizer.com/us/Sawmill-Blades?utm_source=forestryforum.com&utm_medium=banner&utm_campaign=sawmillblades&utm_term=2022-05-01&utm_content=800x160" 1 Hour1 Day1 Week1 MonthForever The spark arrestor is a small screen that prevents the engine from emitting sparks. /* The Forestry Forum is sponsored in part by: myimages[2]="../../../images/top-banner/BladesFreeShip.jpg" Locate their perfect setting at which the engine doesnt bog down when the throttle is applied. Found the problem. Login with username, password and session length, Model 6020-20hp Manual Thomas bandsaw,TC40A 4wd 40 hp New Holland tractor, 450 Norse Winch, Heatmor 400 OWB,YCC 1978-79. on Chainsaws. I will try to figure out how to get the carb off tomorrow morning. You will need a round file that matches the diameter of your cutters, a flat file, a file guide, and a depth-gauge guide. If it needs to be cleaned, take care to not damage it by using compressed air or a soft brush. One of these is not being fed to the chainsaw in the proper ratio. Trying that is by using Stihl Ultra bottles and pouring a little less but I always have some left over gas in the can. How did you get the carb off? Check that the anti-vibration elements are not damaged, torn, or soft. This makes the engine flood and as a result, the chainsaw bogs down. If you experience this scenario, the orientation of your carburetor has likely changed. Proceed with adjusting the carburetor adjustment screws to fix a chainsaw that wont start. on Chainsaws, Started by rapserv If either of these are dirty, it may be causing the saw to stall, and cleaning may solve the problem. They wrote it up as I ran straight gas through it and seized it. Start by identifying the carburetor on your saw. This means emptying the fuel tank and then restarting and letting the unit run until all the fuel is consumed and the engine stops. Will start, sound fine, and work for a couple of minutes, until it gets warm. Cleaning a carburetor on a chainsaw without removing it can be done with a few simple steps. File every other cutting tooth with smooth, even, pushing strokes, keeping the round file at a 90-degree (right angle) to the rollers. So anyhow, I've ran about 25 hours and took it for a tune up. The first step is to make sure that your chainsaw has enough fuel. The spark arrestor is a small screen that prevents the engine from emitting sparks. After the overhaul of the piston assembly I used this saw to cut up three rather large downed trees, and some other work. The dirt in the air filters can often cause the chainsaw to stall. The speed would be perfect, and there would be no unusual sound when the screws are properly aligned. He pledges to come up with new knowledge about chainsaws every once in a while. 4. For the spark plug, use a delicate brush, a wire, or a plug spray-on to clean off the thick carbon. Working outdoors can be such a cathartic experience. It should be the first thing to check and clean. //specify corresponding links below skytower, Oct 3, 2010. The reason for that may be you're using the saw at altitude or the carburetor adjustment has simply slipped. It has a new spark plug, clean air filter, n Welcome, Guest. If this is the case, the only alternative is to replace the spark plug. Once the faulty seal or gasket is identified, it needs to be replaced, and the engine should be up and running. Chainsaw bogging down after starting or not starting at all is a common problem for a lot of chainsaw users. Check cooling fins on the cylinder and clean if needed. To carry out the low-speed screw adjustment, follow these steps: The chain may begin to rotate because the mixture is lean enough to engage the clutch after the low-speed adjustment. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'remodelormove_com-medrectangle-3','ezslot_1',155,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-medrectangle-3-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'remodelormove_com-medrectangle-3','ezslot_2',155,'0','1'])};__ez_fad_position('div-gpt-ad-remodelormove_com-medrectangle-3-0_1');.medrectangle-3-multi-155{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:7px!important;margin-left:auto!important;margin-right:auto!important;margin-top:7px!important;max-width:100%!important;min-height:250px;padding:0;text-align:center!important}You should also check the chain tension and sharpness and consider replacing the chain if that is necessary. What Would Cause a STIHL Trimmer to Not Start? Start the chainsaw for a few seconds to make sure the carburetor is functioning correctly.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,50],'remodelormove_com-large-leaderboard-2','ezslot_10',158,'0','0'])};__ez_fad_position('div-gpt-ad-remodelormove_com-large-leaderboard-2-0'); To unclog a chainsaw carburetor, youll need to thoroughly clean the carburetor and replace the air filter. Dirty filters are the main problem. The best way to clean the spark arrestor screen is to unplug the spark plug wire and use a metal brush. Location. It is also its orientation that keeps it working smoothly on little or full throttle. Hence, many people complain- chainsaw bogs down when I give it gas . I love to write about chainsaw for homeowners and professionals. 5. The majority of chainsaws operate on one of the three following gas-to-oil mixtures: If you have already mistakenly filled your chainsaw with the wrong fuel mixture, you will need to drain the incorrect fuel and replace it with the right mix. If your Stihl chain saw purrs like a cheetah when it's idling but stalls when you actually try to do some work with it, it could indicate the carburetor isn't adjusted properly. Here is a visual troubleshoot guide by Foxboss9 discussing the bogging issues and their solution: A Husqvarna chainsaw bogs down due to a clogged air filter or spark arrester. You can work on it directly using a carburetor adjustment tool. 0 Members and 1 Guest are viewing this topic. (Read 66824 times) (Read 66824 times) 0 Members and 2 Guests are viewing this topic. I'm an arborist by profession & a blogger by passion. This jet is usually responsible for controlling the fuel/air mixture. imagelinks[1]="http://www.ezboardwalk.com/" A rich mixture occurs when you have too much gasoline with the amount of oil in your fuel mixture, resulting in a poorly operating chainsaw. The use of stale ethanol-blended fuel, which creates sticky white deposits over time, is the most typical source of such clogs. The air filter in your chainsaw protects your chainsaw from dirt and debris by filtering it out before it can reach the engine. If the air filter is clean, then the spark plug should be cleaned and gap adjusted to the manufacturers specifications. //-->,