Murray 42910A Parts Manual
![Murray 42910A Tractor manual cover](/images/KmTNwNkREBTQYxwYGKjRILMn/thumbs/thumb175x175.webp)
To change the oil, first ensure the engine is off and cool. Locate the oil drain plug under the tractor, place a suitable container beneath it, and remove the plug. Allow the old oil to fully drain. Replace the drain plug and refill the engine with the recommended oil type and quantity as specified in the user manual.
The recommended tire pressure for the Murray 42910A tractor is typically around 10-14 PSI for the front tires and 8-12 PSI for the rear tires. It's important to check the specific tire sidewall or the manual for exact specifications.
If your tractor won't start, check the battery connections to ensure they are clean and secure. Verify that the fuel tank has fresh gasoline and that the fuel line is not blocked. Inspect the spark plug for fouling or damage and replace if necessary. Ensure all safety switches are engaged.
Regular maintenance includes checking and changing the oil, inspecting the air filter and replacing it if dirty, sharpening the blades, checking the tire pressure, and lubricating moving parts. Refer to the maintenance schedule in the manual for detailed intervals.
To adjust the cutting height, locate the height adjustment lever or knob near the seat. Move the lever or turn the knob to the desired position, which will raise or lower the mower deck accordingly. Always make adjustments with the tractor turned off.
Excessive vibration can be caused by unbalanced or damaged blades. Check the blades for damage and ensure they are properly balanced and securely attached. Additionally, inspect the drive belt for wear or damage and replace if necessary.
To replace the drive belt, first disconnect the spark plug for safety. Remove any covers obstructing access to the belt. Release the tension on the belt by adjusting the tensioner or removing the belt from the pulleys. Install the new belt following the same path, and ensure it's properly seated on all pulleys before re-tensioning and re-assembling.
The Murray 42910A tractor is designed to run on unleaded gasoline with an octane rating of 87 or higher. Avoid using fuel with ethanol content greater than 10% to prevent engine damage.
Uneven cutting can be resolved by checking the tire pressure to ensure they are even. Inspect the mower deck to ensure it's level and not tilted. Also, check the blades for damage and sharpness, and replace or sharpen them as necessary.
Always wear appropriate safety gear, such as gloves and eye protection. Ensure all safety features, like the seat switch, are operational. Avoid mowing on steep slopes and keep bystanders, especially children, at a safe distance while operating the tractor.