The best way of operating on a chainsaw is to get the user’s manual. How to Start a Chainsaw with Cold Engine. How does a poor-quality mixture affect engine starting, you ask? Modern chainsaws are equipped with electronic ignition coils. If the air filter on the chainsaw is clogged with sawdust and shavings, then the engine will not start hot. Checking the condition of the fuel and air filters. Pull off the small vent that is attached to the fuel line coming out of the gas tank. Symptoms of this malfunction can be detected by unscrewing the plug and inspecting. Unscrew the spark plug and inspect it. Clogged Carburetor. You will need to disassemble the carburetor and clean it. Turning on the ignition (if you forget about this, then you can mistakenly consider the instrument to be faulty). Place the chainsaw on the floor , … Use the underside of the bar only when you want to prepare a tee for felling. If it still won't start, the problem could be the spark plug, fuel line or carburetor. Holding the throttle too long – when the chainsaw starts up, you will hit the throttle briefly one time to achieve idle speed. This part cannot be repaired, and, as a rule, if there is a defect, it changes completely. If the engine starts up cold, but stalls when warming up, then this may be due to the fact that the damper is stuck in the closed position, Check the serviceability of the carburetor and adjust it, Measure the amount of compression of the engine, and then make an appropriate conclusion about its serviceability, Lower the tube into a container with a prepared mixture of gasoline and oil. If everything is in order, then you need to check the system for clogging. So, once you have a new plug installed, on a cold engine, prime the carb, set the choke to full rich and give the air intake a spray with starter fluid and give the "little devil" a few good pulls and it should start. If the chainsaw doesn’t start, then the air filters may be dirty or clogged, which affects the ration of the air-to-gas. Everything is very simple, with long-term storage of the mixture, oil precipitates, which leads to clogging of the channels and jets of the carburetor. The spark is a vital component that helps to start your chainsaw is burns the fuel, which makes the engine operate. If there is a spark on the chainsaw, but the tool does not start to cold, then the reason lies directly in the absence of compression. However, even a beginner can cope with this procedure, since it is not difficult, and only requires adherence to the sequence of actions. This is one of the common reasons why a chainsaw won’t start in cooler climates. It’s the best solution in most cases. But with any technique, there are situations when it does not start for some reason. Starting a cold engine If a new spark plug is used, which, when checked, produces a weak spark (or there is no spark at all), then this is a sign of a malfunctioning ignition coil. If a new chainsaw does not start on a cold one, then the reason may be in the wrong engine starting sequence. 1. Dry the spark plugs then start the chainsaw again. Oddly enough it sounds, but many people forget about it and when a similar situation arises, they immediately try to … The damper must be fully open (air supplied) to start the engine hot. You’ll never realize how disappointing it is until your chainsaw won’t start. Try choking the chainsaw a bit and see if it helps to start it. Alternatively, you can look for someone who is an expert in chainsaws. Chainsaw air filter is very often clogged, therefore it is recommended to clean it before use. So for a warm start, you’ll move the master control directly to the run position. Chainsaw won't start. 3. If there is enough fuel in the tank, make sure that the supply hose inside the tank is not detached. Before you start working on the chainsaw, it’s important to consider all the safe operational procedures when fixing the various parts of the machine. Chainsaw does not start well when cold. Check the quality of the fuel (oil and gasoline). Basically, it is similar for all two-stroke internal combustion engines that are installed on chainsaws, and represents the following procedure. Now, pull the starter cord for about seven times as you hold the throttle. If the fuel in the tank has not been drained before storage, then there is a high probability that a plug has formed in the carburetor. To find out what exactly happened in your case, you need to remember the symptoms the day before. Measure the amount of compression on the engine to verify this problem. If one of these situations arises, it will cause the chainsaw to get a kickback. At the same time, NOT only this unit and disadvantages. Use an ignition coil tester or a multimeter and check if there's an error. When I push the primer bulb, I can see fuel flowing thru the fuel line from the tank to the carburetor. If you think the problem is the engine, then drain the fuel and push the choke inside. How to fix a chainsaw that won’t start. Oddly enough it sounds, but many people forget about it and when a similar situation arises, they immediately try to repair the instrument, which can lead to serious damage. Cleaning is done by replacing the old filter with a new one. If all of the above steps did not help to get a positive result, then this indicates that the carburetor is faulty. I will start on them today. Air does not enter the carburetor, so only excess fuel is supplied to the cylinder, which causes the spark plug to flood. In either case, your goal is to get the fuel flowing … The reason that a new chainsaw does not start, or does not start well, may be the ignition coil. Again, run the chainsaw until it quits and then squirt a little starter fluid into the open choke valve, underneath the air filter. Jump to Latest Follow Status Not open for further replies. A cold start is when the chainsaw motor is cold or has been off for a long time. To check the fuel supply hose, you must disconnect it in the place where it connects to the carburetor, and then blow into it. 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. The main malfunction due to which the stihl ms 180 chainsaw does not start may be the absence of a spark between the electrodes on the spark plug. If you pour fuel into the tank in windy weather, then the probability of sand grains entering the tank is 100%. over, not only the candle is in good order, but also the ignition system. If the two options don’t work, then it’s time to get a replacement. If the above doesn’t seem to be the problem, then check the recoil starter system. It's no... Well, do you want to replace your chainsaw, but you're unsure of the size it requires. Check the one for your chainsaw’s model, but most models, you have to replace the entire recoil starter assembly. Reviews of popular garden equipment ~ lawnmowers, trimmers, brushcutters, brushcutters ~ on ARKHENO.COM Tips and solutions to possible problems in operation. If the starter cord fails to rewind inside after pulling it, then you might have to replace the rewind spring. The above are the main reasons why the chainsaw does not start. The case of a clogged air filter on a chainsaw is very interesting. A warm chainsaw may not need choke to start but a cold saw won’t start without choke. Chainsaw does not start well when cold Chainsaw does not start when hot. When installing a new CPG, it is necessary to carefully treat all parts with oil so that chips and scuffs do not form at the time of engine start. Do the following: Check out the out our review on the Best battery chainsaw. all this may indicate the following malfunctions: When the candle is brown (brick-colored), this indicates not only a properly adjusted chainsaw carburetor, but also that the ignition system is working properly. To do this, you must act in this order: Check for the presence of oil for the chain. Reading and understanding the operating manual before using a chainsaw, Avoiding the use of a chainsaw when you are less alert, Practising caution when you are cutting trees branches. Your chainsaw will suffer from ''hard pull'' if the housing that covers the starter is damaged.. Damage to the starter house causes the starter rope to snag and refuse to retract.. A new chainsaw might give you starting trouble right out of the box if you fuel it with an old gas/oil mixture, especially if it has added ethanol. Otherwise, the steps on how to start your Stihl chainsaw remain the same for both hot and cold starting. 1. Quite often there is a situation when the saw worked and stalled abruptly, the cause of which was the engine jamming, which in turn occurred as a result of a broken piston skirt, destruction of the crankshaft bearing, protrusion of the cork ring of the piston pin or fracture of the piston ring. Power up your chainsaw and let it warm up for roughly five minutes or so. In addition to low performance, such operation will lead to permanent damage to the chainsaw engine. A strong smell of gas is one sign the saw is flooded, just allow the saw to rest for 30 minutes and try starting again. Two main spark plug issues could cause the failure of the chainsaw to start: One if it’s corroded after everyday use or if it contains an improper gap. Chainsaw carburetor not adjusted correctly. First you need to check the gap between the contacts. One of the greatest precious parts of the chainsaw to make it start is the ignition coil. Shut down engine and try to restart it. How to Start a STIHL Chainsaw This video illustrates the proper ways to start a STIHL chainsaw, as well as which methods to avoid (such as drop starting) and why. Press the throttle trigger quickly, as well. To start the chainsaw on a cold one with low engine compression, follow these steps: It should be noted that it is very harmful to work with a tool with low compression. Maybe during work at the last moment there was an extraneous sound, rattling, ringing, power loss, or the instrument stopped abruptly. 4. It is screwed into the spark plug hole, after which the starter handle is pulled. These include safety goggles, gloves, steel-toed shoes, hard-hat and chainsaw-resistant chaps to protect the left side of your leg. When you have trouble starting your chainsaw, try these steps before you start tearing the chainsaw apart. In the event that the supply hose and the fuel filter are normal, and the fuel supply is not observed, the reason may be hidden in a malfunction of the air pulse to the fuel pump. If the chainsaw has not been used for a long time, but fuel remains in the tank, then the difficulties in starting a two-stroke engine are associated with the cause of stagnation of fuel. What we have looked at already covers the vast majority of times when a chainsaw won’t start. For a warm start, you can skip this step. A chainsaw is one of the most reliable tools for the homeowner and the professional, but it becomes a massive problem if chainsaw won’t start. My Chainsaw Will Only Run on Choke: How to Fix This Well, our article will guide you on how to measure chainsaw bar and the chain length. A jammed engine can be easily identified by pulling on the starter cord. This way, it’ll start the first time and will work seamlessly once you head outside. The light components of the fuel will evaporate, while the thicker ones will remain to cause clogging of the carburetor. Check the air filters. Many people use the wrong starting procedure and say that their Stihl Chainsaw not starting. If the chainsaw clutch pads don’t perform well, then the chainsaw may continue spinning non-stop, or it could turn intermittently or stop turning. If, when inspecting the spark plug, it is found that it is wet and sparking on the contacts does not occur, this means that the problem should be looked for in the ignition system, inspect the coil, check the gap between the flywheel and the coil contacts. This means that you need to follow these steps: Checking the compression in the cylinder allows you to assess the condition and serviceability of the CPG. If you cannot start a heated chainsaw engine, then proceed as follows: Filling the spark plug may be due to a malfunction of the ignition module, as well as a large gap between the coil and the magneto. If there is a backlash, then, under the action of its magnets, the flywheel is attracted to the contacts of the ignition coil, since the backlash on the bearings allows it to do this and as a result the spark disappears. Chainsaw stalled and won’t start. It can be a reason for a critical setback to your project or even cost you hundreds of dollars to fix that it. The recoil starter is an integral part of the chainsaw starting mechanism since you pull it to turn over the engine and hence start it. As you can see, not only the start of the chainsaw engine depends on the serviceability of the air filter and the damper, but also its proper operation. The compressor shows the corresponding cylinder pressure. Chainsaw stalled and won’t start, For what reasons the Stihl MS 180 chainsaw will not start, There is no spark on the Stihl 180 chainsaw,,, How To Check The Coil On A Chainsaw With A Multimeter, Checking The Ignition Coil Of A Chainsaw With A Multimeter, How To Properly Cut The Inner Corner Of The Ceiling Plinth, The Chainsaw Does Not Pick Up Speed Under Load, Gasoline Lawn Mower Starts And Stalls Cause, Put it on a cylinder by connecting it to a candlestick, Black carbon. How to reduce the risks of chainsaw kickbacks? Place the Husqvarna chain saw on a hard level surface. For each model of a chainsaw, manufacturers indicate the recommended gap size, so you need to use a reference book. If the fuel in the tank is at the bottom, then this is the main reason that it is impossible to start the engine. This gasket is placed between the cylinder and the crankcase and, to make sure it is working properly, the following manipulations should be performed: If the fuel is not sucked in, then the crankcase gasket needs to be replaced. If a malfunction is detected, first you need to "purge" the engine. The reason for the decrease in the pressure in the crankcase is the gasket, or rather its damage. In order to know for sure that the problem is in the spark plug, it is necessary to check the known good one in the same way. You can check for backlash by shaking the flywheel of the Stihl 180 chainsaw from side to side. But if the fuel has been there for longer, then it’s probably bad. This is primarily due to flooding of the engine. These common problems will drop any engine, which is why you should check for these during your scheduled maintenance checks and tune-ups. Gasoline for chainsaws is used mainly of the AI-92 brand. You can measure the gap with a special probe or a sheet of paper folded several times. Start by placing your chainsaw on a sturdy and even surface. over, this applies to tools of different brands Stihl, Husqvarna, Partner, Makita, Champion and others. It converts the low voltage into high voltage to perform the electric spark. Before you throw away the chainsaw or get an expensive repair, try these fixes to see if they can work on your tool. In the case when the starter does not turn, most likely, it has jammed, and further repairs are possible only at the service center. In addition to the air filter, the cleaning element, which is responsible for cleaning the fuel mixture, can also become clogged. Loosen the idle screw in a clockwise direction by орота a turn. If it starts well on a cold chainsaw, but when there is a break after work, and there are difficulties with starting, then it is necessary to start without closing the air damper. Lately it has developed this annoying habit - it will start great from a cold start, but after it runs for a few minutes, if I let it stop, it will not restart. The problem with chainsaws failing to start is not a new one, and many users have experienced it before. Another situation is when the chainsaw does not start hot. Also, use an online guide or user manual to ensure there it has a proper gap. It will not start with starting fluid sprayed into the throat. Give it a good cleaning to remove any clogging or blockage. A chainsaw is one of the crucial tools for both homeowners and professionals. You've landed on an all-time classic tutorial on easy steps to master the chainsaw direction and achieve quality work from your cutting work. Kickbacks are the leading cause of injuries resulting from chainsaw use. Closing the air damper (necessary to enrich the fuel at start-up). The typical sign is this part giving out bluish gases. If the compression value is not lower than 8 atmospheres, then everything is in order. Also, if the fuel is not bad, then monitor the fuel line for visible leaks or cracks. Dry the spark plugs then start the chainsaw again. This prevents it from starting up. By far, the most common reason for this issue is … You'll learn about the saw controls and how to position them related to the starting sequence, for cold and warm starts. Read the user manual on how to sharpen the teeth and ensure there is a right chain tension, Always ensure your chainsaw remains clean, Always remember to lubricate the chainsaw, Never leave fuel in the chainsaw for long without using it, Check the throttle trigger before each subsequent use to ensure its operating well, It occurs when the moving chain comes into contact with an object on the guide bar’s tip, If the wood closes in and pinch the chain at the centre of the cut, When some chain parts are not installed correctly. The chainsaw starts when cold but immediately stops when the engine heats up due to a high air-fuel ratio. If you’re dealing with a chainsaw that won’t start, there are a couple of problems to consider. It is also reasonable to think this explains why Husqvarna 455 rancher won’t start, plus it relates to Husqvarna 550xp starting problems. The reasons may be different, but the first step is to check the presence of gasoline in the tank. If you can’t start the chainsaw, then you need to half-close the choke. When the engine fails to fire up, check the air filters and then clean them with an ideal cleaner. With a defect in the crankshaft bearings, a slight backlash is observed on it. In order not to resort to these steps, you can do the following: When the engine is started, the resulting plug in the carburetor will break through and the engine will run normally. It is this recommendation that should be followed when preparing a mixture for a two-stroke engine of a chainsaw, otherwise it will significantly reduce the life of your tool. If, as a result of the check, a spark appears, then the problem has been found and to eliminate the malfunction we replace the spark plug with a new one. The coil must be replaced together with the high-voltage wire. Carry out several movements of the starter, before the first "flash" of the engine (it is important not to miss this moment, otherwise it is possible to "flood" the engine). Check the coil and springs. The main malfunction of the carburetor is the clogging of its channels and jets. This is a very common issue and can be easily detected. Starting Your Stihl Chainsaw — Cold Start. It is highly recommended to do a ground start. Make sure the shutter moves freely when you push the lever to close and open. Although I have read things here many times, this is my first post. Attention will be paid to them. When the chainsaw doesn’t start, then there might be a problem with the air filters. If your Chainsaw won’t start, there are common problems that you can check and troubleshooting steps that you can try before taking your chainsaw for servicing. Membranes and other elements fail less often. Checking the spark plug and the gap between the coil and the magneto, Doesn’t start on cold and hot main reasons, After winter, I can not start the chainsaw, what can you tell me, Is there fuel in the tank and what is its quality, Fuel and air filters. The mixture entering the cylinder contains a lot of fuel and little air. Checking the presence of fuel in the tank is the first thing to start diagnostics with. If not, then the engine has worked its way out and needs to be replaced by the CPG. If cleaning does not work, then place to replace the carburetor. And when it occurs, you could be in the middle of cutting a tree or sawing logs, then you’re in the middle, and your chainsaw fails to start. If this process is not going on like this, then there is an issue with the recoil starter assembly, and it’s defective, necessitating its replacement. Having discovered during inspection that the spark plug is wet, it is necessary to start looking for the reason for the absence of a spark on the spark plug. If the manipulations carried out do not help to obtain the desired result, then it is necessary to resort to more serious actions. Check it has fuel. Like the air filter, the fuel cleaner also needs to be cleaned. The chainsaw might start suddenly while you’re checking it. This is pretty easy to do. If it is dry and has the correct brown color, then no fuel is being supplied to the cylinder. If you don’t know where to start, then the diagnostics should be carried out in order, as described in the material. Saw won’t start: reasons and solutions. The absence of a spark on the spark plug indicates a malfunction of the ignition system, therefore, before replacing a part, you should make sure that the ignition coil and high-voltage wire are in good working order. Your email address will not be published. If the fuel in the chainsaw is old then it’s a good idea to drain your fuel in the chainsaw and replace it with some new fuel. Starting a chainsaw when the engine is cold requires using the choke. This value should be at the level of 8-12 atmospheres. On some models of chainsaws, such a malfunction is a "disease". This filter is located in the chain saw tank and prevents small grains of sand from entering the carburetor. It might be the first time you’ve started your chainsaw that day, or it might be the first time you’ve ever used it. Kickbacks occur as a result of improper cutting of the tree and is therefore suggested that beginners undergo training for cutting trees by a professional before starting to use a chainsaw. If there is no fuel, then the chainsaw won’t start. The gap should be between 0.5 and 1 mm. The prepared fuel mixture cannot be stored for more than 2 weeks, as the mixture begins to lose its properties, which negatively affects not only the operation of the engine, but also its starting. Required fields are marked *. If it starts up you likely have a fuel system problem, but if it doesn't start, … Clean the dirty air filters, but if they’re too dirty or clogged, then replace them. If it is clogged, it usually starts up on a cold chainsaw, but as soon as the air damper opens to supply air, the engine immediately stalls after warming up. checking their serviceability, If the chainsaw won’t start anyway, what to do, Violation of the sequence of actions when starting on a cold, Chainsaw does not start well when cold. The presence of black carbon on the candle or wet electrodes. Based on these technical symptoms, it is necessary to begin the search. The compression rings can also be worn out, which causes the engine not to fire up. The candle is inserted into the cap of the high-voltage wire and pressed against the engine cylinder, after which the starter moves several times, if there is no spark between the electrodes of the spark plug, then it is faulty or the ignition module is faulty. Try to replace it with a new one. Therefore, the chainsaw won’t start, and you should, therefore, clean the carburetor with a carburetor cleaner and replace the fuel after cleaning it. Your email address will not be published. The chainsaw may not start due to clogged spark plug electrodes. But the good thing is it can be prevented by following the tips below: Chainsaw Chain Direction: Easy Steps to Always Get it Right. 7. Kickback is a term that refers to a sudden upward movement of the chainsaw guide bar and causes serious accidents. When cold starting a Stihl chain saw, move the master control lever to the half-choke position after the fourth attempt to start it to avoid flooding the engine. If you reside in a place where the temperature is too low, then you might experience problems when starting your chainsaw. the coil and the high-voltage wire. It is a common situation that many owners find themselves in when the Stihl chainsaw does not start … Millions of injuries are caused by chainsaws on a yearly basis. Try to start the engine, and as soon as it starts, you can open the throttle completely. You should also check and maintain the air filters periodically as part of the general device maintenance. Start the engine and let it run until it gets hot. When that occurs, the operator may lose control of the machine leading to severe injuries to the user and other people nearby. If the engine starts and fuel is sucked in, then this indicates the serviceability of the gasket. It is recommended to carry out these manipulations in the warm season, since it is almost impossible to start a chainsaw in winter with low compression. Position the nose of the guide bar properly while you’re using a chainsaw, Wear the appropriate protective clothing to lower the intensity of injuries when accidents occur, i.e., protective gloves and eyewear, Always use the owner’s manual while fixing the chainsaw, If you’re in doubt of any procedure, don’t hesitate to ask for professional help. With proper care and storage of the tool, you will never have problems starting the engine of your chainsaw. The spark plug is the most important part that ignites the fuel mixture entering the cylinder chamber. In any case, you will need to disassemble the chainsaw carburetor, clean it and replace the failed parts. To measure compression, you need a compression meter. When the engine fails to fire up, check the air filters and then clean them with an ideal cleaner. A hot chainsaw with a clogged filter will not start at all, or it will start and immediately stall. James Avila is a professional who understands chainsaws and various machinery, and willing to share in-depth information about chainsaws and enable our readers to make informed decisions when they want to purchase the right chainsaws for their projects. When diagnosing the air filter, you need to pay attention to the damper, through which the air supply is limited. The rewind spring rewinds the starter cord after each subsequent pull, but if it’s broken, then it will not wind up repeatedly, making it impossible to start the chainsaw. To do this, unscrew the tank cap and, using an aluminum wire bent at the end, remove the fuel hose from the tank, with a filter at the end. If it’s cold and you are trying to start your power saw with fuel that has been in your tank for a while, apart from the chainsaw failing to … If the pressure is significantly lower, then this is a direct sign of a device malfunction. By increasing the number of revolutions, the process of starting the motor is simplified, Start the engine with the choke half open, After starting the engine, return the idle screw to the opposite position if the chain moves at idle. It still won't start. If a chainsaw sits for a long time and wasn’t stored properly it can cause you all kinds of headaches and be a reason your chainsaw won’t start. Save my name, email, and website in this browser for the next time I comment. Depending on the model of the chainsaw, the principle of replacing the fuel filter may differ. If the attempts end unsuccessfully, then you need to clean the carburetor, but first check the serviceability of the fuel and air filters, the ignition module and clean the exhaust channel (muffler). You can check this in the following way: If a spark occurs constantly, then this indicates the serviceability of the candle. If there is no compression in the crankcase, then the chainsaw will also not start. The service life of this element depends on various factors, and first of all, on the quality of the gasoline and oil used. If it's broken or damaged somehow, even your new chainsaw won’t start. Start the chainsaw correctly by keeping the choke on. In the people, the phenomenon in which a spark cannot ignite a large amount of fuel is usually called candle flooding. Idle ports may be plugged or blocked – This is the small ports in the carburetor where the fuel passes through when in idle. You can fix the malfunction by cleaning the carbon deposits on the spark plug electrodes, followed by adjusting the carburetor, Pull the starter handle until the internal parts warm up due to friction, When parts are warmed up, compression will increase, so the engine will start. When the temperature is too low, then starting a chainsaw could be a challenge. Well, the most common issue with chainsaws failing to star is no fuel or bad fuel altogether. You will need to use a compressor for cleaning. If your machine starts slowly or does not operate smoothly, having a professional check and fix it would help.But some of the problems can also be solved yourself. for this, you need to put the dust on the old newspaper and start the tool. If a spark occurs on the candle, but intermittently (intermittently), then such a part must be replaced. This turns over the engine, and the tabs will retract, and the cord pulls backs after releasing the cord.

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