Gas Line Trimmer: Leaking gas
Move the line trimmer to a well-ventilated area and check the fuel lines for cracks. Replace the fuel lines if they're leaking. If fuel leaks from the carburetor, rebuild or replace the carburetor to prevent gas from leaking.
Replace the fuel tank cap if its seal is damaged and leaking. Check the fuel tank and replace the tank if it's damaged.
Rebuild the grass line trimmer carburetor
Rebuild kits are available for most carburetors. The kit contains essential components for rebuilding a carburetor, such as diaphragms, seals and gaskets. You can sometimes fix a fuel supply problem by dismantling and cleaning a carburetor. Use the kit to rebuild the carburetor after cleaning it.
Replace the grass line trimmer carburetor
The carburetor mixes air and gasoline in the proper proportions to create a combustible gas. If the engine starts and then sputters, or doesn't start at all due to lack of fuel, you might need to replace carburetor. It's often more cost effective and practical to replace the carburetor rather than rebuild it.
Replace the grass line trimmer fuel lines
Fuel lines become brittle over time and can crack or tear. Replace a fuel line that's brittle or damaged. Be careful to install new fuel lines on the engine the same way the original fuel lines were configured.
If the line trimmer won't start even though there's fuel in the tank, the carburetor could be the problem. Follow these instructions to replace the carburetor in under 30 minutes.
If the line trimmer engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow these instructions to do the job in under 30 minutes.
Use the advice and tips in these articles and videos to get the most out of your grass line trimmer.
Tune of your grass line trimmer, following the steps in this video.
Follow the steps in this video to replace a leaking fuel line in a line trimmer.