Unscrew the carburetor bolts and remove the fuel lines, then unhook the throttle cable from the carburetor linkage and pull the carburetor off. Next you can remove the air cleaner cap and look for any obstructions in the way that could block air flow, and starve the engine of oxygen. To inspect and clean the carburetor, you will first need to locate it underneath the air filter. The carburetor is designed to perform this task, and a damaged or clogged carb will prevent the engine from starting properly. Cleaning the carburetor first is a good idea if you suspect this has happened or even better – replace or rebuild the whole thing.A proper air/fuel mixture is essential for combustion in a two-stroke engine. If this happens to you, turn the hedge trimmer off right away then unplug it. The fuel then tends to vaporize and create a thick substance, more like tar than gas, that can block up your engine completely. Over time the carburetor may become clogged because of the fuel leftover in it. In case you don’t, perhaps there’s another way in which you can reach the dirt inside – try cleaning it by hand. To fix this problem, see if you can find a replacement part so that you can remove the clogged one. The screen becomes clogged with time and, if it is not removed, the entire engine could stop working, since fuel will not be able to flow correctly. The spark arrestor is a device attached to the carburetor that captures dirt and grime. To remedy this and make your vehicle run smoothly, you can use a clean dry cloth to carefully wipe down all filters before they are put back into place. If the filter is clogged, the engine will receive too much fuel in relation to needing enough air. If you suspect your hedge trimmers have been running roughly due to a blocked fuel filter, drain the fuel tank and replace the fuel filter. Stihl Hedge trimmer runs roughĬlogged fuel filters can cause problems with hedge trimmers. A clogged fuel filter is usually caused by leaving old fuel in the hedge trimmer over time, which can thicken and render it ineffective. Try cleaning it out with carburetor cleaner before you rebuild or replace anything else. This sticky fuel can clog up the carburetor and prevent the engine from starting. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. A clogged carburetor is most commonly caused by leaving fuel in the hedge trimmer for a long period of time. The sparking should be stronger than 25-centimeters (10 inches) from the tip of the plug if there aren’t any problems with your new ignition system while you have plugged it in. Spark plugs can be tested using a spark plug tester. STIHL HEDGE TRIMMER NOT STARTING CRACKEDIf it has a cracked insulator, is missing an electrode, or has carbon buildup around it, then you need to replace it with a new one. Inspect the spark plug for signs of wear and make sure it hasn’t been damaged in any way. Here we provide you troubleshooting guide about your Stihl hedge trimmer. If you don’t do the proper maintenance, it might result in more major and costly repairs down the road so it’s important to follow instructions carefully while also considering getting a gas/oil mix that’s compatible with your trimmer before getting started. Proper care will ensure there aren’t any problems with hard starting or loss of power issues like there are with many different types of motor vehicles – minor repairs can fix these simple problem areas. It is critical that proper care and tune-ups are done with precision in accordance with the manual. The Stihl hedge trimmer has a 2-cycle engine, which requires the same basic maintenance as any small motorcycle.
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