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. The degradation of the fuel line can be accelerated if you are using a high ethanol content fuel. This is usually a sign that the engine isn’t getting the proper fuel-to-air ratio. You asked, we delivered. RYOBI Nation Contest Rules | 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. Each tool is uniquely engineered with cutting edge innovation and smart technology. RYOBI EXPAND-IT™ Attachments are easily the smartest way to buy, use and store outdoor power tools. Verify that the off switch does not work by trying it a … Mechanic's Assistant: Do you have fuel in the tank? This Leaf Blower Starts & Dies & Had To Change The Fuel Lines To Repaie it#SMALLENGINENATION Thriving Yard is an affiliate for companies including Amazon Associates and earn a commission on qualifying purchases. Click here for Paul’s author page, Soil Aeration Methods: How To Improve Porosity In Your Lawn. Product recommendations not personally owned are based on the author’s knowledge of the company, product, reliability, and reputation. This warping will cause the fuel to stop moving through the entire circuit, and the engine will shut off. Diaphragms Warped 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. How long have you been dealing with this? Search Help by Model. About Us. It still runs (well) for a while and then overheats and shuts … Over time, some of the ingredients in the fuel may evaporate, leaving behind a t...hicker, stickier substance. 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. Our New 18V ONE+ Power Scrubbers do the work for you with powerful motors and high-quality accessories. Pump up to 19 cartridges per charge, and gauge how much grease is left in the tube with the plunger rod markings. 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 254 $119.95 $ 119 . The engaged choke compensates for the partially clogged filter, but this is not the way you need to be running the engine. 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. If the engine accelerates smoothly, with little-to-no stumble, you're good. A clogged fuel filter is most commonly caused by leaving old fuel in the leaf blower. 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. Insert the new pickup nozzle into the end of the fuel line. Go to full throttle. That is, as long as you leave the choke on. Power through the toughest grease fittings with 10,000 PSI and 7.5 oz./min. 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. 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. 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). 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