Unscrew those and it will split the carb in half. All you have to do with this step is repeat the previous steps backwards. These carburettors have intake and outtake valves, which direct the flow of fuel through the mixing chamber. Add Tip Ask Question Comment Download. Cover and start the engine. 4 Wipe down the blades with a light coat of machine oil on a soft, clean cloth. This is the most important step because this is the only reason why we opened the carburetor. Removing the carburetor and cleaning it is the best solution for getting it ready to be used again. 2 years ago 1 year ago By DoStuffRight DoStuffRight Follow. Note: This will work on blowers, edger, trimmers, hedge trimmers, any 2-stroke engines. Tip! How to Clean a Husqvarna 223L Trimmer Exhaust, Troubleshooting Problems with Starting Weed Eaters, How to Fix a Vibration in a Grass Trimmer, My Craftsman Push-Mower Engine Won't Start With the Air Filter On, Stihl: STIHL Trimmer and Brushcutter Common Features, YouTube: Stihl Trimmer Weed Eater Repair -- Stihl Carburetor Repair-Replacement fs, fc, km, hl, 45, 46, 55, My String Trimmer Starts, But Won't Stay Running, My Stihl Weed Trimmer Is Dying at Full Throttle. Press a few times, forcing the carb cleaner in the line into the carb. Spray the parts of the carburetor that you can see under the air filter with carburetor cleaner. How did it feel to be saving money?!? If all of those are in working order, then it may be possible that the carburetor needs the gaskets replaced. This repair requires knowledge, just like any repair. The Stihl HS-80 is a professional series gas-powered hedge trimmer. I removed the screen and it is clogged, you can't see through it at all, but how do you clean it? Then, with your machine running at full throttle, adjust the H screw until the hedge trimmer is running normally. If you're having trouble starting your Stihl trimmer, a blocked carburetor is one of the possible reasons. If you have any questions about small engine repair, please leave a comment here or in the video and I will answer to the best of my ability. Stihl uses an all-position diaphragm carburettor on most of its engines. Be sure the plug, filter, exhaust screen and even blades are clean and working properly before changing carburetor settings. Answer At this point you should check the bowl for corrosion. If you decide to disassemble the carburetor, clean it and rebuild it, you'll need to purchase a carburetor rebuilding kit from Stihl. Another common factor in a hedge trimmer not starting is a clogged carburetor. 5 years ago With your hedge trimmer idling, adjust the screw marked L until it idles well. If your hedge trimmer engine idles, but stops at full throttle, you will need to check the following parts: the fuel lines, gasket, carb kit, carburetor, and spark plug. All the previous steps are shown in this video. If the trimmer is old enough, the carburetor may need rebuilding, but if that's necessary, it's usually just as cost effective to replace it. It could be that there is no gas, the gas is tainted with water, or the spark plug is dead. You can give the carburetor a good cleaning without even removing it from the trimmer. We have all had a time where are weed eater just wouldn't start. - Loose parts can easily fall off, become lost, or cause … Keep carburetor … Let me have a questionnaire. When this happens it is necessary to adjust the carburetor on the Stihl HS-80. 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