McCulloch Trim Mac 241 Spare Parts List
![McCulloch Trim Mac 241 manual cover](/images/jAGXyQzByFATEtBjIdiHWPJB/thumbs/thumb175x175.webp)
To start the McCulloch Trim Mac 241 trimmer, first ensure it is on a flat surface. Set the choke lever to the 'start' position, press the primer bulb several times until fuel is visible, and then pull the starter rope until the engine fires. Once it starts, move the choke to the 'run' position.
The recommended fuel mixture for the McCulloch Trim Mac 241 is a 40:1 ratio of unleaded gasoline to high-quality 2-stroke engine oil. Always mix the fuel in a separate container before filling the trimmer's tank.
The air filter should be checked and cleaned after every 5 hours of use. Remove the air filter cover, take out the filter, and clean it with warm soapy water. Allow it to dry completely before reinstallation.
If the trimmer line keeps breaking, ensure that you are using the correct diameter line as specified in the manual. Avoid hitting hard surfaces and consider reducing the throttle speed if the line is worn or brittle.
To adjust the carburetor, locate the idle speed screw on the side of the engine. Turn the screw clockwise to increase the idle speed or counterclockwise to decrease it. Make small adjustments to achieve a smooth idle.
Excessive smoke may be due to an incorrect fuel mixture. Verify you are using the correct 40:1 fuel-oil ratio. Also, check for blockages in the exhaust or a dirty air filter, as these can also cause smoking.
After each use, clean any debris from the trimmer head, inspect the trimmer line, and check for any loose bolts or parts. Store the trimmer in a dry place and ensure the fuel tank is sealed properly.
To replace the trimmer line, turn off the trimmer and disconnect the spark plug. Remove the spool cover, take out the old line, and replace it with new line, following the directional arrows on the spool. Reattach the cover securely.
Loss of power could be due to a clogged air filter, old or incorrect fuel, or a fouled spark plug. Check and clean the air filter, ensure you are using fresh fuel, and inspect the spark plug for wear or carbon buildup.
For long-term storage, empty the fuel tank and run the trimmer until it stops to clear the carburetor. Clean the trimmer thoroughly, remove the spark plug, and add a few drops of oil into the cylinder. Pull the starter rope a few times to distribute the oil, then replace the spark plug. Store in a dry, well-ventilated area.