Jonsered BC2043 Parts Manual
![Jonsered BC2043 Trimmer manual cover](/images/IYHWGvjiBHBYqDXYGeoJSHja/thumbs/thumb175x175.webp)
To start the Jonsered BC2043 Trimmer, ensure it has sufficient fuel and the choke is set to the 'Start' position. Pull the starter cord until the engine fires, then move the choke to the 'Run' position.
Use a mixture of unleaded gasoline and high-quality 2-stroke oil at a ratio of 50:1 for optimal performance.
Replace the trimmer line when it becomes brittle or worn down to ensure effective trimming performance. Regularly check the line before use.
If the trimmer is not cutting efficiently, check if the line is too short or worn, and replace it if necessary. Also, ensure the head is spinning at full speed.
Clean the air filter by removing it and washing it in warm, soapy water. Allow it to dry completely before reinstalling. Replace it if it is damaged or excessively dirty.
If the trimmer is hard to start, check the spark plug for wear or fouling and replace if necessary. Ensure the fuel mix is fresh and the air filter is clean.
Adjust the carburetor by turning the idle speed screw clockwise to increase speed or counterclockwise to decrease it. Refer to the user manual for detailed instructions.
Before storage, drain the fuel tank, clean the trimmer thoroughly, and store it in a dry, cool place. Consider removing the spark plug and adding a few drops of oil to the cylinder.
To replace the cutting head, secure the drive shaft, unscrew the old head, and install the new one by screwing it on tightly. Always refer to the manual for specific instructions.
Wear protective gear, including safety glasses and gloves. Ensure there are no bystanders nearby and inspect the trimmer for damage before use.