The following steps will outline exactly what to do if the off switch is not working. Battery and charger not included. If the breather valve is blocked, then a secondary vacuum is created within the fuel tank that pulls on the fuel in the opposite direction of the vacuum in the carburetor. At the top of the fuel tank, the opening where you pour in fuel has a cap that usually includes a breather valve that allows air to fill the tank as it empties of fuel. If this is correct, then there are two possibilities. Pump up to 19 cartridges per charge, and gauge how much grease is left in the tube with the plunger rod markings. Sad, worked really well. Because of the open exhaust gap in the carburetor, there will be less of a vacuum build-up in from the piston’s movements. RYOBI is the brand of choice for millions of homeowners and value-conscious professionals. Each tool is uniquely engineered with cutting edge innovation and smart technology. Ryobi Blower won't shut off As the subjects suggests, my hand-held Ryobi Blower #ry08510 won't shut off when I press the kill switch or open the vacuum door. That still doesn’t mean that the engine will run well under these conditions, so you should examine your fuel line for any noticeable leaks. If you can hear air flowing in quickly after you release the cap, that would indicate that a vacuum had been created due to a blockage of the breather valve. Find blower ads in our Garden Tools category from Swan Area, WA. Expand a RYOBI Power Heads capabilities by choosing from over 10 attachments for trimming, edging, pruning and so much more! Why does my leaf blower only run on choke? The battery is bad and is not holding enough charge to sustain the motor. The compression of the engine’s pistons allows fuel and air to flow through the carburetor in specific ratios for each cycle (source). Replace the pickup nozzle if it's dirty or the screen is clogged. When you turn on your leaf blower, you generally need to engage the choke to get the engine to keep running while it’s cold, but if you cut off the choke only to have the engine die, too, your leaf blower’s engine may have an underlying issue. Kill switch does not work. If the fuel filter is partially clogged with debris or dirt, the fuel filtration rate into the fuel line and carburetor will be limited. These diaphragms can warp after several seasons of use. This site is a participant in affiliate programs such as Amazon Associates and earns from qualifying purchases. Common solutions for: Ryobi Leaf blower starts then dies . This is usually a sign that the engine isn’t getting the proper fuel-to-air ratio. I just returned mine, will not shut off. That means less fuel will be pulled into the carburetor. An overheating problem in the leaf blower is generally caused by a failure to vent gases or the fuel burning too hot inside the cylinder. 99 $140.29 $140.29 Put the power to clean in your hands. The engaged choke compensates for the partially clogged filter, but this is not the way you need to be running the engine. $250. New fuel. Black Friday Weekend Sale on Tools - 20-50% Off - New & Used $0 (Seattle) pic hide this posting restore restore this posting. The recoil starter can also fail to engage the engine when the rope is pulled. Vacuum losing suction. If old fuel was left in the leaf blower, drain the old fuel from the fuel tank and replace the fuel filter. The revolution starts now. When the ignition switch is set to the “on” or “run” position, the circuit that the switch controls is open. That’s why it’s important to know what problems to look out for as well as which ones you can prevent with proper maintenance. This is where air can flow in and out of the carburetor, which you’ll learn is important to the normal flow of fuel through the fuel system. It has a 2.5 in. The blower has the MOST resistance with the tube off. Resistance drops when you block the flow on a centrifugal pump (the blower). If it still will not work and if there is power arriving at the leaf blower, you now need to check the on/off switch. Hi, I am attempting to do my own repairs, but am stumped by my leaf blower. In other words, no current is flowing through the switch. If there isn’t enough fuel for the engine to achieve combustion, the engine won’t be able to power the leaf blower efficiently and will sputter or completely shut off without the choke engaged. ... Join Repair Clinic's VIP email list for 10% off, plus other discounts and tips! I show how to fix intermittent shutting off issue with Ryobi 40v cordless lawnmower. I’ve heard a lot of people argue that this is incorrect – that choking the engine won’t increase the fuel flow if the filter is obstructed, but that’s not what the choke actually does. He takes a practical approach to yard improvement and enjoys putting best practices and “golden rules of lawn care” to the test. To test if this is what’s causing your leaf blower to only run on choke, run the leaf blower for a few minutes with the choke engaged and slowly undo the fuel tank cap and listen for air rushing into the fuel tank. Ryobi VC120 Troubleshooting . If this is the reason your leaf blower won’t run without the choke tank cap or breather valve need to be replaced. Put it back on the charger to get back to full, start trimming again and it does the same thing. If I wait a few seconds it would start up again. We will try to describe the problem but there may be other problems or issues. Three common reasons for this are: Understand that these are not the only reasons why your leaf blower engine may not run unless the choke is on. Mike Leudy - 01/03/2019 Reply. Often, the issue can be a simple fix, but if the reason fuel isn’t being drawn into the engine is because of an imbalance in the various vacuums that pull fuel through the fuel line, it can be trickier to know where the actual problem lies. Another cause could be that there is a leak in the fuel line that is limiting the amount of fuel that reaches the combustion chamber. Take it to a professional for servicing. As the fuel and excess air are pumped into the carburetor and then the engine, the final fuel mixture will be diluted. Also, thinking therefore that it may be poor sensing by the battery. I use it to blow the debris off my tractor, which is really dirty right now, so it is important that I get the leaf blower running. Total blockage of the breather valve won’t allow the leaf blower to run, even is the choke is engaging, but a partial blockage will because only a small vacuum will form in the fuel tank, limiting but not starving the engine’s fuel intake. This creates a bigger pull on the fuel coming through the fuel tank, which can allow enough fuel to be drawn through the clogged filter for the engine to run. Most homeowners and lawn maintenance professionals... Crabgrass is an annoying, creeping, annual grass that can quickly invade lawns, flower beds, and vegetable gardens. Our New 18V ONE+ Power Scrubbers do the work for you with powerful motors and high-quality accessories. Terms and Conditions | Privacy Policy | I have the Ryobi 40V blower and trimmer and have experienced the same problem. When your leaf blower is running properly, the spark plug will ignite compressed fuel and air with every rotation of the piston within the cylinder. When the choke is in the “off” or “run” position, the choke butterfly opens up, which allows more air into the carburetor. Thriving Yard is a privately owned website. If the fuel filter is partially clogged with debris or dirt, the fuel filtration rate … Started with the blower running at full speed after about 5 minutes of use. As the piston keeps cycling, the diaphragms in the carburetor move up and down to pull the fuel through to the engine at a consistent rate to allow combustion to efficiently power the leaf blower. If your spark plug is malfunctioning, it will not produce the required spark, and therefore the engine will die. The exhaust gap’s opening is controlled by the choke butterfly. Remember that issues with the air-to-fuel ratio is usually what causes a 2-stroke engine to only run with the choke engaged. Always use common sense when working with a gas-powered engine. If the fuel filter isn’t completely clogged, you may be able to clean and reuse it, but make sure that you replace this part if this issue happens again. Broken Condition. There can be a number of underlying issues but these are common causes and each of them has a fairly simple solution. Any ideas? … At the time there didn’t seem to be any rhyme or reason to the problem such as heavy grass or a weak battery which was reading 2/4 bars. Click Here to see the latest deals (link To Amazon). Set them back into the bottom of the fuel tank. However the last time I used it the damn thing would randomly shut off while mowing. Click here for Paul’s author page, Soil Aeration Methods: How To Improve Porosity In Your Lawn. Buy and sell almost anything on Gumtree classifieds. The degradation of the fuel line can be accelerated if you are using a high ethanol content fuel. RYOBI EXPAND-IT™ Attachments are easily the smartest way to buy, use and store outdoor power tools. The fuel pump diaphragm in the carburetor’s pulse line acts to transfer the vacuum from the engine to the carburetor and finally to the fuel tank to keep drawing fuel through the leaf blower’s fuel system using negative pressure. Pull the air filter pad from the filter box. Because of how many working parts there are to the fuel system, the reason that the engine is not getting enough fuel can come from any point in the fuel’s journey from the fuel tank to the combustion chamber (source). Over time, some of the ingredients in the fuel may evaporate, leaving behind a t...hicker, stickier substance. Another way to test this is to try to run the leaf blower with the fuel tank cap loose or removed but only do this for testing purposes. Pull the pickup nozzle off the end of the fuel line. Anything that keeps fuel from flowing through this system normally can contribute to the problems that cause your leaf blower to need the choke being engaged to run. When I attach the edger (which has a metal blade and actually digs into the dirt) I noticed that under load the tool would shut itself off. As a result, the fuel can’t flow freely through the fuel filter to reach the carburetor and engine to power the leaf blower effectively. My Ryobi BP42 blower stalls consistently. DIY inspiration and project plans! favorite this post Dec 16 Stihl BR-350 Backpack Blower ... Ryobi Electric Leaf Blower Vacuum $45 (REDMOND) pic hide this posting restore restore this posting. That is, as long as you leave the choke on. 2. the motor is overloading overheating in a VERY short period of time and shutting it off somehow resets the motor or a circuit breaker inside it. Plug the leaf blower in again and test it. The leaf blower's recoil starter consists of a rope and spring-loaded pulley system. Electric Motor. This sticky fuel can clog the fuel filter and cause the engine to stall. About Us. Just move the switch to the off or stop position and the engine shuts off. If the pull rope doesn't retract, it's likely that the spring inside the recoil starter is broken. You can quickly fix this with a fuel filter replacement if you find the filter to be the issue. A clogged fuel filter is most commonly caused by leaving old fuel in the leaf blower. The weed eater worked flawlessly. Ever notice that the pitch of a vacuum cleaner goes up when you cover the nozzle and block the suction. Part of the 18-Volt ONE+ system, it works with all ONE+ tools and batteries. RYOBI is the brand of choice for millions of homeowners and value-conscious professionals. Solution 1: Spark Arrestor. Start doing it yourself with the confidence that comes with 100+ years of experience. Shuts off randomly even at full throttle. Sign up today for new tool announcements, promotions, exclusive offers, Shuts off randomly even at full throttle. Amazon has put together some great Home Holiday Guide Deals - save money and get your holiday shopping done! How long have you been dealing with this? The troubleshooting points outlined in this article may help you to identify the cause. That’s why we’d like to thank you by automatically entering you to win a monthly give away upon submission of you RYOBI Outdoor tool review! How to Diagnose Two-Cycle/Two-Stroke Engines, How to Adjust or Tune the Carburetor on a Leaf Blower - Video, link to Soil Aeration Methods: How To Improve Porosity In Your Lawn, link to How to Keep Crabgrass Out of Flower Beds. The engine will run several cycles like this until the engine warms up enough for that the choke can be disengaged. This plan is followed by a contingency plan. Most small leaf blowers use a two-cycle air-cooled gasoline engine for power. If a leak is identified, do not use the leaf blower until you replace the line or have it professionally serviced. RYOBI ONE+ 100 MPH 280 CFM Variable-Speed 18-Volt Lithium-Ion Cordless Jet Fan Leaf Blower 4Ah Battery and Charger Included 4.6 out of 5 stars 249 $119.99 $ 119 . $70. Close. Battery powered hand held vacuum. If the engine accelerates smoothly, with little-to-no stumble, you're good. Search Help by Model. To really get a good understanding of the combustion process of a 2-stroke yard tool and some great troubleshooting tips, watch this video from eReplacementParts: The reason it’s important to turn off the choke once the engine is warm is that a lower fuel to air ratio allows for more efficient use of gasoline. If anything disturbs the engine’s ability to get the right fuel to air ratio, then your leaf blower will need the choke. Power through the toughest grease fittings with 10,000 PSI and 7.5 oz./min. These tools are 100% cordless, so you c. Your opinion is important to us! RYOBI 40V Lithium delivers GAS-LIKE POWER™ and cordless convenience with over 50 tools that all run on the same battery platform. Depending on the model of your leaf blower, there will be screws on the carburetor that allow you to fine-tune the air-to-fuel ratio. If so, is the shut-off valve open and the fuel clean? Product recommendations not personally owned are based on the author’s knowledge of the company, product, reliability, and reputation. Introducing the new 18V ONE+ HP Series, utilizing Advanced Technologies and Superior Ergonomics to deliver High Performance tools and a premium user experience like never before. At 150 MPH and 200 CFM, the Dual Power Blower is ideal for hard surfaces. The spark arrestor is a small screen that prevents the engine from emitting sparks. An engaged choke can help draw harder on fuel from the fuel tank, which stops the engine from being bogged down by the excess air. This warping will cause the fuel to stop moving through the entire circuit, and the engine will shut off. If it coughs, chokes and sputters before accelerating or quitting, the idle needs to be leaned slightly (like 1/16 turn at a time, then retest). This still won’t allow the engine to run efficiently because there will be too much air and too little fuel in the combustion chamber fuel mixture. Mechanic's Assistant: I'll do all I can to help. Then intermittent, but runs very well at half or less speed. As the pulse line runs through the middle of the carburetor, it passes over an opening called the exhaust gap. I just bought a Ryobi 40 volt power head with weed eater and edger attachments. No suction / low suction. flexible hose, illuminated by the onboard LED light. You asked, we delivered. As the pistons begin to cycle up and down, these movements physically draw fuel through the carburetor’s fuel line as the engine pistons create an air vacuum (source). If you completely block the fan outlet, it has the least resistance. Steve’s Small Engine Saloon has an excellent video demonstration on this process. 50:1. It’s possible that this ratio needs to be adjusted in the carburetor itself. Insert the new pickup nozzle into the end of the fuel line. Do Not Sell My Data | Reply Examples provided of tested products are actual products owned, tested, and used regularly by the author. The Gas Engine on My Leaf Blower Overheats & Seizes. This is because the choke is only meant to be turned on when the engine is cold as closing the exhaust gap helps the engine start more easily and this isn’t needed when the engine has warmed up if everything is functioning normally. Verify that the off switch does not work by trying it a … Thriving Yard is an affiliate for companies including Amazon Associates and earn a commission on qualifying purchases. That will cause the amount of fuel in the air-to-fuel ratio to be too low. At the start, when the choke is engaged and the exhaust gap in the carburetor is closed, there is a high fuel to air ratio that makes it easier for combustion to occur in the cold engine. Mechanic's Assistant: Do you have fuel in the tank? It just started this fall. If you are having an issue with the engine choking or even dying when you engage the throttle, be sure to read my troubleshooting guide Why Is My Leaf Blower Bogging Down? Our lightweight, portable band saw delivers cutting power directly to the jobsite and is designed to cut wood, metal, or plastic. 1. A Clogged Fuel Filter. The battery is fully charged but once it drops down to 3 (out of) green lights it will start “stalling out” and then will just completely shut off. It still runs (well) for a while and then overheats and shuts … 8. The shoulder … Thank you for your question in regards to your unit (Model Number RY08420A). As mentioned, if your spark plug is faulty, this can happen to your engine at any time. With the choke engaged, the vacuum from the piston’s movement will pull more strongly on the fuel to draw it into the engine. The gas engine on your leaf blower needs to operate at a specific temperature: hot enough to burn the fuel and give the engine power but cool enough not to overheat the piston. If you are not experienced with working on a combustion engine, do not do this. RYOBI specializes in making pro-featured power tools and outdoor products truly affordable. The RYOBI Dual Power Hybrid Blower boasts hybrid technology that powers through leaves and debris with an 18-Volt lithium-ion battery or a corded connection. Go to full throttle. While he’s showing the technique on a Stihl, the basic principles are the same for just about any gas-powered leaf blower. Full, start trimming again and test it much grease is left in the tank yard an... 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