McCulloch Supreme 250 L Spare Parts List
![McCulloch Supreme 250 L manual cover](/images/HhhsWXVqSUaDkxIbJeojIRMV/thumbs/thumb175x175.webp)
To replace the trimmer line, first ensure the brushcutter is turned off and unplugged. Remove the spool from the trimmer head by pressing the release tabs. Cut approximately 15 feet of new trimmer line and wind it evenly around the spool. Secure the ends in the notches and reattach the spool to the trimmer head.
Use a mixture of unleaded gasoline and high-quality 2-stroke engine oil in a 40:1 ratio. Avoid using ethanol-blended fuels to prevent engine damage.
Regularly check the air filter for dirt and debris. To clean, remove the air filter cover and take out the filter. Wash it in warm soapy water, rinse, and let it dry completely before reinstalling. Replace the filter if it is damaged or heavily soiled.
If the brushcutter starts but stalls, check the fuel mixture and ensure it is fresh. Inspect the spark plug for wear or fouling and replace it if necessary. Also, ensure the air filter is clean and not clogged.
To adjust the carburetor, locate the idle speed screw and the mixture screws. Start the engine and let it warm up. Adjust the idle speed screw to achieve a smooth idle. Use the mixture screws to fine-tune the fuel-air mixture for optimal performance.
Always wear protective gear, including safety glasses, gloves, and ear protection. Clear the work area of debris and ensure bystanders are at a safe distance. Never operate the brushcutter without the proper guards in place.
Check if there is enough fuel in the tank and that the fuel is fresh. Inspect the spark plug for damage or wear and replace if necessary. Ensure the on/off switch is in the correct position and that the fuel filter is not clogged.
Yes, the McCulloch Supreme 250 L Brushcutter can be used for edging. Adjust the position of the trimmer head and carefully trim along the edges of lawns or pathways to achieve a neat finish.
Before storing, clean the brushcutter thoroughly and drain any remaining fuel. Store it in a dry, cool place, ideally hanging or in a secure position to prevent damage. Cover the brushcutter to protect it from dust and debris.
Regular maintenance should be performed every 25 hours of use or at the start of each season. This includes checking and replacing the spark plug, cleaning the air filter, inspecting the fuel system, and checking for loose bolts and screws.