McCulloch MAC BL150 Spare Parts List
![McCulloch MAC BL150 manual cover](/images/oPdkvKDfDSIVlhgYBASyzYTa/thumbs/thumb175x175.webp)
To start the McCulloch MAC BL150 blower, ensure the power switch is in the "Off" position. Prime the engine by pressing the primer bulb several times until fuel is visible. Set the choke to the "Full" position, pull the starter rope briskly, and once the engine starts, gradually move the choke to the "Run" position.
If the blower won't start, check the fuel level and ensure it's fresh. Inspect the spark plug for wear or carbon build-up, and clean or replace it if necessary. Verify that the air filter is clean, and that the choke and throttle settings are correct.
To maintain the air filter, remove the cover and take out the filter. Wash it with warm soapy water, rinse thoroughly, and let it dry completely. Reinstall the filter and secure the cover. Regular maintenance ensures optimal performance.
Use a mixture of unleaded gasoline and a high-quality 2-stroke engine oil at a 40:1 ratio. Avoid using gasoline with more than 10% ethanol content to prevent engine damage.
Excessive vibration can be caused by loose parts or debris in the impeller. Check and tighten any loose nuts or screws. Inspect the impeller for debris and clean it if necessary. If the problem persists, consult a professional.
Perform maintenance every 20 hours of operation. This includes checking and cleaning the air filter, inspecting the spark plug, and examining fuel lines for any leaks or damage. Regular maintenance extends the lifespan of your blower.
To store the blower, empty the fuel tank and run the engine until it stops to clear fuel from the lines. Clean the exterior and store it in a dry, well-ventilated area away from direct sunlight and moisture.
If the blower loses power, check the air filter and exhaust for blockages. Ensure the spark plug is in good condition and that the fuel is fresh. Adjust the carburetor settings if necessary to restore power.
To reduce noise, ensure all components are securely fastened and the muffler is in good condition. Additionally, operating the blower at lower throttle settings can help minimize noise levels.
To replace the spark plug, remove the spark plug boot and use a socket wrench to unscrew the old plug. Install the new spark plug by screwing it in by hand to avoid cross-threading, then tighten with the wrench. Reattach the spark plug boot securely.