McCulloch Mac 250L Spare Parts List
![McCulloch Mac 250L manual cover](/images/kFZpaLZsqVjwUOuIAPVbhwNP/thumbs/thumb175x175.webp)
To start the McCulloch Mac 250L Trimmer, first ensure the trimmer is on a flat surface. Press the primer bulb several times until fuel is visible, set the choke lever to the start position, pull the starter rope firmly, and then move the choke lever to the run position once the engine starts.
Use a 2-stroke engine oil mixed with unleaded gasoline at a 40:1 ratio for the McCulloch Mac 250L Trimmer. Make sure to use fresh fuel to ensure optimal performance.
To replace the trimmer line, remove the spool cover, take out the empty spool, and wind new line onto the spool following the directional arrows. Secure the line ends in the notches, place the spool back in the housing, and replace the cover.
If the trimmer won't start, check the fuel level, ensure the spark plug is clean and properly connected, verify the air filter is not clogged, and ensure the choke is in the correct position.
Clean the air filter after every 5 hours of use or more frequently if operating in dusty conditions. Use warm soapy water, rinse well, and air dry before reinstalling.
To store the trimmer for the winter, empty the fuel tank and run the engine until it stops to clear the carburetor. Clean the trimmer thoroughly and store it in a dry place.
To adjust the carburetor, locate the idle speed screw and turn it clockwise to increase idle speed or counterclockwise to decrease it. Make adjustments while the engine is running to achieve a smooth idle.
The McCulloch Mac 250L Trimmer has a cutting width of approximately 16 inches, making it suitable for medium to large yard maintenance.
Excessive vibration can be caused by a misaligned or damaged trimmer head. Check for debris, ensure the head is properly attached, and inspect for any wear or damage. Replace if necessary.
Always wear protective eyewear, gloves, and sturdy footwear when operating the trimmer. Keep bystanders at a safe distance, and do not use the trimmer in wet or slippery conditions.