The ignition coil sends voltage to the spark plug while the engine is running. Replace a dirty or damaged spark plug with a new one. If the air filter is clogged, replace it. If the recoil starter assembly is defective, the leaf blower wont start. As a result, the engine wont start. Consult a professional if you dont have the skills, knowledge or are not in the condition to perform the repair safely. Start by disconnecting the spark plug boot, then remove the spark plug with the socket wrench. The ignition coil itself is a step-up transformer containing a primary and secondary coil. Remove the starter assembly and inspect it to determine if it is working properly. Either starting technique is wrong, or there is a problem. Im Nelson, a DIY enthusiast with a bottomless can-do attitude. Reassemble the blowers parts in reverse order. You will need a spark plug wrench or socket wrench to change the spark plug. When the plug isnt functioning, it will not provide the spark required for the engine to run. Remove the spark plug cover or boot and wire from the end of the spark plug. The fuel filter might be clogged. If old fuel was left in the leaf blower, drain the old fuel from the fuel tank and replace the fuel filter. Remove the fuel lines and filter. A bad pulley; loose or missing spring; or broken clips can keep your recoil from working. Use 89 Octane [R+M/2] (mid grade or higher) gasoline known to be good quality. If the air filter in your leaf blower is partially plugged, it can cause your engine to run, but die at full throttle. Make sure before reinstallation that there is no leakage and blocking in the fuel lines and the primer bulb. That technology is focused on making stuff lighter, cheaper, and more efficient..with the emphasis on cheaper. I guess that means I'm a week or two late writing this post for my area, but it's probably right on time for the rest of the country. If the carburetor is clogged, it may not allow fuel into the engine, which will cause the engine to run, but die when the throttle is engaged. The carburetor regulates the amount of fuel that is mixed with air to create a combustion in the cylinder. A clogged fuel filter is most commonly caused by leaving fuel in the leaf blower for a long period of time. If you see a bright blue spark jump across the terminals in the tester window and the engine starts, both the ignition coil and spark plug are in working order. (or in my case, weeds!). Turn the idle speed screw until it barely touches the throttle plate. After the engine warms up, gradually depress throttle trigger to increase engine RPM to operating speed. Set the carburetor right back into the air-box by performing reverse tracking. A clogged fuel filter is most commonly caused by leaving old fuel in the leaf blower. Run it at idle and then at full throttle to completely warm it up. In this case, your blower may be on the incorrect setting, which can prevent it from blowing air. A bad spark plug is one that is dirty with carbon buildup, has a cracked porcelain or has a burnt electrode. Below are some reasons why your leaf blower is losing power; The battery provides the power to the motor in cordless, electric models. Bend the outer electrode to adjust the spark plug gap, and tighten it according to the instructions for the appropriate model. One day maybe "better" will be added to the list. (take it off the filter element, soak it with clean oil, and wring it out, then re-install it). If yours is swelling, the posts are corroding, and/or 3 years old, it's probably time for a new one. If it was not changed and is low, fill it, don't change it yet. Remove the fuel tank vent and replace with a new fuel tank vent. If the air filter is clogged, replace it. You should see a strong spark between the testers terminals when the engine is cranking. It came from Home Depot. If the ignition coil is defective, replace it. Secure the air filter base and the carburetor to the engine with the two nuts removed earlier. Required fields are marked *. Ensure you read your leaf blower manual before starting to work on it. Used a gear puller to no avail. In fact, the majority of blowers that people are familiar with are the ones that are noisy enough to disturb the neighbors. This sticky fuel can clog up the carburetor and cause the engine to stall. Brush off the fins around the cylinder. If the piston rings or the cylinder are worn, power will be lost. The spark plug must be gapped at .024-.026. Primer bulbs are usually positioned on the lawnmower one of two ways. Step 1: Get the Blower Ready for Maintenance. Use a flathead screwdriver and/or long-nosed pliers to disconnect the fuel lines from the carburetor. To keep the engine running, cooler air needs to be brought in, and the heated gases need to escape. Remove the spark plug wire from the spark plug on a gasoline-powered leaf blower. If the filter is plugged, fuel will be prevented from passing through the filter so the engine cant get the fuel it requires to start. The air and fuel filters on an Echo leaf blower are key components to look at during a tune-up. A clogged air filter may cause your blower to idle roughly as well. Unscrew the retaining bolt and pull gently to remove the air filter cover. I don't believe I have ever had to hold the trigger (throttle) to get the blower start (makes it a bit tricky to hold that down with one hand while pulling the rope with the other!!) These parts get plugged with carbon caused by a rich fuel mixture. As with all repairs, it is best to disconnect the spark plug before. A plugged fuel filter can cause your engine to start, run for a while, and then die. Move stop switch button away from the STOP position. Help! Save my name, email, and website in this browser for the next time I comment. You should also inspect and clean the cooling system prior to each use. To check for vapor lock, after the engine shuts down again, unscrew the gas cap slightly and try starting the engine again. The cooling fins on the cylinders under these covers should be clean. Turn your leaf blower off and let all moving parts come to a stop before performing any maintenance, cleaning or inspections. The carburetor might be clogged. Your leaf blower manual may refer to a fan, which is simply another name for the impeller. Occasionally, rocks and debris can be sucked up into these fins, causing damage. Note: During installation, ensure that the throttle plate is facing the engine, and the choke plate is facing away from the engine. If the air filter is clogged, replace it. You should also contact the manufacturer with any concerns or questions. If the exhaust port, muffler, or spark arrested does become plugged with carbon, the exhaust gases cant exit the engine. The impeller is essentially a fan blade that draws air into the blower housing and forces it out the blower tube. See the above description of the impeller for more information on why a faulty or damaged fan might cause this symptom. The rewind spring might be broken. Remove the filter cover, air filter, retainer and foam pre-filter; wipe away any dirt from inside the cover. Below are the exact steps you need to follow; The recommended ratio is 50:1 with the resulting mixture containing 1 US Gal. Keep reading to learn how to troubleshoot and fix your Echo leaf blower. A quick note before you replace your tubes: some leaf blowers allow you to redirect the airflow passing through the blower housing, which allows the blower to act as a vacuum. When you release the rope, the tabs should retract and the rope should rewind back on the pulley. If you are a little mechanical you should be able to handle cleaning your carburetor. Replace a dirty air filter with a new air filter. They also use a unique muffler concept that lessens exhaust sounds and incorporate a patented sound attenuator that quiets the air intake system. The air filter is typically a foam rectangle surrounded by a rubber holder, located behind a plastic cover on the exterior of the blower. If the spark arrestor is clogged, the engine may not start. Refill the engine with the clean, new, and fresh oil after the cleaning process. If your leaf blower dies at full throttle, check the fuel filter, air filter, and more if the engine in your blower will idle, but stalls on the throttle. If old fuel was left in the leaf blower, drain the old fuel from the fuel tank and replace the fuel filter. If the spark plug is dirty, use a clean rag to wipe away dirt and debris. Specific aspects of leaf blower maintenance may differ between models. If you do not have fuel line clamps, you can drain the fuel from the fuel tank. Examine the leaf blowers fuel filter every three months when the fuel tank is empty. The choke should have 3 positions. Take out the air filter and wash it in soapy water. If the piston rings or the cylinder are worn, your blower will lose power. To unclog the spark arrestor, remove it and clean it with a wire brush. Many rewind springs can be replaced individually, but it may be easier to replace the whole recoil starter assembly. Replace the fuel filter once a year with the fuel line hook from the Echo Repower Air and Filter Kit, pull the fuel line and filter free from the tank and replace it with a fresh filter. The Echo leaf blower is one of the best options you can own. The air filter keeps dirt and debris from entering the engine causing damage. Thanks. Inspect the blower for loose, damaged or missing parts. When creating this mix, use an unleaded gasoline with a minimum octane-rating of 89 (mid-grade) and maximum ethanol content of 10%. oz. The fuel lines on your blower carry fuel from the tank to the engine. Remove the carburetor gasket from the heat dam assembly (or verify that the gasket is still connected to the carburetor throttle plate). The air filter is designed to prevent debris from entering the engine, and over time this debris can accumulate and lead to a clog. NelsGarage.com All Rights Reserved 2021 Theme: Prefer by, Echo Leaf Blower How to and Troubleshooting Guide. Eliminate the fuel lines for the complete removal of the carburetor. As an Amazon Associate we earn from qualifying purchases. Use compressed air to dry out all the ports, housings, and the entire carburetor. Ethanol, found in most gasolines on the market today, attracts moisture to the fuel system. Check the owners manual to be sure. Check this too: Dewalt Leaf Blower How to and Troubleshooting Guide. If the carburetor does not function after being cleaned, you may need to rebuild it or replace it with a new carburetor. This can be a result of missing or damaged tubes. When theyve hardened and cracked, they let in air, which makes it impossible to draw the fuel into the carburetor properly. Copyright Note: For cordless blowers, follow the manufacturers instructions for battery maintenance. Clean it or replace it. Additionally, water and ethanol separates from the gasoline and sinks to the bottom of the fuel tank. Press the throttle trigger while pulling the starter rope over and over. If the compression reading drops off rapidly, take the leaf blower to a mechanic. Sometimes the impeller nut is a lock nut, but other times the nut is secured with Loctite. Examine it to ensure that the shutter is clean so it wont become stuck during use. If there is settlement in the bottom of the engine from sitting with old dirty oil in it, this will stir it up into the old oil. Make necessary replacements/repairs. Often, the whole piston assembly will need to be replaced if there is damage, and sometimes the cylinder will need to be replaced as well. Examine and clean the leaf blowers muffler spark arrestor every three months to ensure that carbon deposits arent causing a decrease in engine output or the engine to overheat. This is needed to secure the tank vent to the fuel line. I am able to get it started but when I move the throttle it just stalls. Disconnect the spark plug connection to prevent any harm. Retract the throttle arm slightly to create slack in the throttle cable; remove the cable from the carburetor assembly. If I take it to a repair shop - will they charge me more than the thing is worth? The most common reason that may cause your leaf blower not to work is the lack of a spark. 1995-2022 MH Sub I, LLC dba Internet Brands. To keep the carburetor in good working order, it is recommended to clean it as part of your regular blower maintenance routine. A leaf blower is a great tool that can be used for many different tasks. A small crack in the fuel line can also let air in, which can result in this symptom as well. Order the correct battery replacement for your model; most use a lithium ion battery. Slide the carburetor assembly off of the retaining bolts and away from the engine. It sounds like the carburetor is in need of a good cleaning. Follow any pre-maintenance procedures the manufacturer specifies. Gasoline may contain up to 15% MTBE (methyl tertiary-butyl ether). Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. If cleaning the carburetor isnt effective, rebuild or replace the entire carburetor. Then switch it off and drain it/change it. The piston assembly consists of the piston, piston rings, connecting rod and its bearings. This warping will cause the fuel to stop moving through the entire circuit, and the engine will shut off. If the impeller is loose or the blades of the impeller are damaged or broken off, it can also cause the blower to become unable to blow air. Maintaining and storing your leaf blower properly will make leaf cleanup faster. The impeller is installed in the blower housing, where you can find it attached to the crankshaft of the engine. If the engine dies after warming up, it is likely the engine is overheating and automatically shutting down to prevent more serious damage. When it is clogged, the air filter will allow just enough air through to the engine to idle, but when you engage the throttle, it will shut down. Pop out the foam rectangle and insert your new air filter. This may prevent you from using the leaf blower. Install the carburetor by adequately mounting the screws at the specific location on the engine. You may freely link Check for any perforations in the diaphragm and gaskets. However, because these lines are usually made of plastic, they can crack and begin to leak. To clean it, close the blowers choke to prevent the carburetor throat from getting dirty when the filter is removed. The carburetor inside a leaf blower uses several plastic diaphragms to bring fuel into the carburetor, mix and measure the fuel and send it off to the cylinder. Clean the cylinder fins of any dirt or debris to keep air moving freely. The last couple of times that I used it, I noticed that when I gave it more gas, it wanted to cut off, so I had to let up on the gas in order to keep it running. To determine whether your ignition coil is the cause of this symptom, you can test your ignition coil by first disconnecting the spark plug from the engine and (while it is still connected to the ignition coil) setting it on the engine itself. After just 1 month since the last use, it should be fine. Mix a 2-cycle premium oil like ECHO PowerBlend Oil with the gasoline. If the rewind spring is broken, the rope wont be able to recoil onto the chainsaw pulley. Replace a fuel line in the leaf blower when it is cracked, kinked or clogged. Old fuel will gum up and clog the carburetor so it no longer functions as designed. My neighbor thinks I got a bum unit. If the fuel filter is partially clogged, the engine still may have enough fuel reaching it to start up, and to idle for a while. Anyone have any idea what the problem is? Turn the idle speed screw clockwise three complete turns. Do not allow the rope to snap back in. Carburetor adjustment is necessary if the leaf blower is performing sluggishly or is idling too low, or stalling. I bought this thing in Aug 02 ( I thought is was newer than that - but I checked the receipt). I can tell when gas is stale by the smell of it, but if you can't, you can drain it and refill to be safe, or try it when it comes time to start the engine and just see if it will run on it or not. :eek: Well, I walked through a customer's backyard this afternoon and looked at my boots. If it does not work because other components in your recoil are damaged, such as the clips or the pulley, you are better off just replacing the recoil assembly. If there is no spark, this indicates that the spark plug is defective and should be replaced. Our repair information is a general guide to help you, but for more specific repair information related to your model, check your owners manual. Blow air through the orifice to dry it, and reassemble the carburetor to complete the job. The spark arrestor prevents sparks from the engine from exiting the blower and potentially starting a fire. With a clean cloth, wipe away any dirt or debris around the fuel cap and the empty tank. The spark arrestor is a small screen that prevents the engine from emitting sparks. Reconnect the fuel lines to the carburetor correctly. 4. Now that I need :rolleyes: The right wheel is loose. As a result, the engine may run roughly. Grease all fittings and lubricate all moving parts. Disengage the air-box from the carburetor throttle and choke levers. Tighten loose fasteners and have damaged or missing parts replaced before using the blower. To solve this problem, you can allow the engine to sit for a short period of time, or you can remove and replace the gas cap. Over time, this debris can build up in the filter and make it more difficult for fuel to enter the lines and ultimately get to the engine. This post may include affiliate links. If the vent is plugged, a vacuum will form as the fuel level drops. Make sure to remember the removal process for the reinstallation process. Remove the fuel lines from the carburetor. If it doesn't start like that, then there are repairs to be made. Vapor lock occurs when the fuel already inside the carburetor overheats and the vapors cause the fuel pump to lock up. Inspect and clean the air filter, if necessary, before each use. Clean thecarburetor by taking it apart and usingcarburetorcleaner toclean it. Remove the air filter cover by unscrewing the knob. If the recoil starter assembly is n. Designed to replace air in the fuel lines and carburetor with gasoline when you depress the button several times, a primer bulb provides a crucial service that makes starting the engine easier. Place the unit on a flat, clear area. If the rewind spring is broken, replace it. A vented gas cap can cause this problem. As a result, the engine wont start. To replace the cylinder, the engine will need to be disassembled and the piston and rings will likely need to be replaced as well. Examine the fuel line, fuel filter, cables and connections. The fuel tank vent allows air into the tank. If the spark arrestor is clogged, the engine run roughly. To fix the issue, you may be able to clean your fuel filter, but if it is faulty or damaged it will need to be replaced. When your leaf blower expels exhaust gasses, they travel through the exhaust port into the muffler and spark arrestor.
Sitemap 2