Murray 40901x70C Parts Manual
![Murray 40901x70C Tractor manual cover](/images/gWKIAXaFtWLdbHZXYiQxNAtu/thumbs/thumb175x175.webp)
To start the Murray 40901x70C Tractor, ensure the parking brake is engaged, the PTO is off, and the transmission is in neutral. Insert the key into the ignition and turn it to the start position until the engine fires up.
To change the oil, run the engine for a few minutes to warm it up, then turn it off. Remove the oil drain plug and allow the old oil to drain completely. Replace the plug, add new oil through the fill cap, and check the level with the dipstick.
If the tractor does not start, check the battery connections, ensure the fuel tank is not empty, inspect the spark plug for damage, and verify that the safety switches are functioning correctly.
If the mower deck is not engaging, inspect the PTO switch and ensure it is in the "on" position. Check the belt for wear or damage and confirm that the deck is properly attached to the tractor.
Blades should be sharpened at least once per mowing season or more frequently if you notice the grass is not being cut cleanly. Regular inspection and sharpening will ensure optimal cutting performance.
Follow a maintenance schedule that includes checking the oil and air filter before each use, sharpening blades, cleaning the mower deck, and inspecting belts and tires regularly. Conduct a thorough inspection and service annually.
To replace the drive belt, ensure the tractor is off and remove the mower deck. Loosen the belt guides and remove the old belt from the pulleys. Install the new belt, ensuring it is seated correctly in all pulley grooves, and reassemble.
If the engine is overheating, check for debris blocking the air intake or cooling fins, ensure the oil level is adequate, and verify that the cooling fan is operational. Address these issues promptly to prevent engine damage.
To improve cutting quality, ensure the blades are sharp and balanced, mow at the correct height for your grass type, and maintain a consistent speed. Regularly clean the deck to prevent grass buildup.
Use fresh unleaded gasoline with an octane rating of 87 or higher. Avoid using ethanol blends exceeding 10% as they can damage the engine components.