McCulloch B33 B Spare Parts List
![McCulloch B33 B manual cover](/images/utinlssZvVtlTUdIUEninDba/thumbs/thumb175x175.webp)
To start the McCulloch B33 B Brushcutter, ensure the power switch is in the 'on' position. Prime the carburetor by pressing the primer bulb several times until fuel is visible. Set the choke lever to full choke, pull the starter handle until the engine fires, then move the choke to half choke and pull again until the engine starts.
Use a mixture of unleaded gasoline and a high-quality 2-stroke oil at a ratio of 40:1 for optimal performance. Ensure that the fuel is fresh and clean to avoid engine issues.
The air filter should be checked and cleaned every 5 hours of operation. If operating in dusty conditions, consider cleaning it more frequently to maintain optimal engine performance.
To replace the trimmer line, first, ensure the engine is off and disconnect the spark plug. Remove the trimmer head cover, take out any remaining old line, and insert the new line according to the directional arrows on the spool. Reassemble the trimmer head.
If the brushcutter won't start, check the fuel level and ensure it's fresh. Verify the spark plug is clean and properly gapped. Ensure the air filter is clean and the choke is set correctly. If the engine still won't start, it may require professional servicing.
Regular maintenance includes checking and cleaning the air filter, inspecting and replacing the spark plug annually, cleaning the cooling fins, and ensuring the trimmer line is in good condition. Also, check for any loose bolts or parts.
To adjust the carburetor, locate the adjustment screws on the carburetor body. Use a small screwdriver to make adjustments. Turn the screws slightly to achieve a smooth idle and optimal engine performance. Adjustments should be made while the engine is running.
Wear appropriate protective gear including eye protection, gloves, and sturdy footwear. Ensure the area is clear of bystanders, especially children and pets. Always operate the brushcutter at a safe distance from hard surfaces to prevent debris from being thrown.
For winter storage, drain the fuel tank and run the engine until it stops. Clean the entire unit, including the air filter and cooling fins. Store the brushcutter in a dry place away from direct sunlight and out of reach of children.
To improve performance, ensure regular maintenance is performed, use the recommended fuel mix, keep the cutting attachment sharp, and adjust the carburetor as needed. Also, avoid overloading the engine by cutting in stages with thick vegetation.