McCulloch M51–625 CMD Spare Parts List
![McCulloch M51–625 CMD manual cover](/images/UMmXKOZvVJrHoeOKdlwOZqDG/thumbs/thumb175x175.webp)
To start the McCulloch M51–625 CMD Lawn Mower, ensure the fuel tank is filled and the oil level is adequate. Pull the safety lever towards the handlebar, then use the pull start cord. Ensure the mower is on a flat surface for optimal starting conditions.
Use unleaded gasoline with an octane rating of 87 or higher. Avoid using ethanol blends greater than 10%, as they can cause engine issues. Always store fuel in a clean, sealed container.
Change the oil after the first 5 hours of use for a new mower, then every 25 hours of operation or at the beginning of each mowing season. Use SAE 30 oil for best performance.
If the mower doesn't start, check the fuel level, and ensure the spark plug is clean and properly connected. Verify the air filter is not clogged and the safety lever is engaged.
Regular maintenance should include cleaning the mower deck, checking and replacing the spark plug annually, sharpening the blade, and inspecting the air filter every 25 hours of use.
To adjust the cutting height, locate the height adjustment lever near each wheel. Move the lever to the desired position to raise or lower the mower deck. Ensure all wheels are set to the same height for an even cut.
Excessive vibration might be due to a loose blade, unbalanced blade, or engine issues. Check and tighten the blade, and ensure the blade is balanced. If the issue persists, consult a professional technician.
To clean the mower deck, first disconnect the spark plug to ensure safety. Use a brush to remove grass clippings and debris, then rinse with water. Avoid using high-pressure washers as they can damage components.
If the mower stalls, check for clogs in the discharge chute and ensure the blade is not obstructed. Verify the fuel and oil levels, and inspect the air filter. Allow the engine to cool before attempting to restart.
For off-season storage, clean the mower thoroughly, change the oil, and empty the fuel tank or add a fuel stabilizer. Store in a dry, cool place, and cover the mower to protect it from dust and moisture.