McCulloch 40 PWR Operator's Manual
![McCulloch 40 PWR manual cover](/images/OgsabhJzIYJuYMQyUVukkQbK/thumbs/thumb175x175.webp)
To start the McCulloch 40 PWR Lawn Mower, ensure the fuel tank is filled and the oil level is adequate. Pull the throttle lever to the 'start' position, prime the engine by pressing the primer bulb several times, and then pull the starter cord firmly.
If the mower won't start, check the fuel level, ensure the spark plug is clean and properly connected, and verify the air filter isn't clogged. Additionally, inspect the fuel line for blockages or leaks.
Change the oil after the first 5 hours of use for a new mower, and then every 25 hours of operation or at the start of each mowing season. Use the recommended oil type specified in the user manual.
Use unleaded gasoline with a minimum octane rating of 87. Avoid using gasoline with more than 10% ethanol content to prevent engine damage.
To clean the air filter, remove the filter cover, take out the filter, and wash it with warm soapy water. Rinse thoroughly and allow it to dry completely before reinstalling it.
Excessive vibration can be caused by a bent blade, loose parts, or debris lodged in the blade area. Inspect the blade for damage and tighten any loose components. Remove any obstructions from the mowing deck.
Adjust the cutting height by moving the height adjustment lever located on each wheel. Ensure all wheels are set to the same height for an even cut.
At the end of the season, clean the mower thoroughly, change the oil, remove the spark plug, and add a few drops of oil into the cylinder. Rotate the blade to distribute the oil, then reinsert the spark plug. Store the mower in a dry, sheltered area.
To sharpen the blade, disconnect the spark plug, remove the blade, and secure it in a vice. Use a file or a grinder to sharpen the blade evenly on both sides, maintaining the original angle. Reinstall and balance the blade before use.
If the mower leaves uncut patches, ensure the blade is sharp and properly installed. Check for obstructions underneath the deck and adjust the mowing speed and height to suit the grass conditions.