Murray 46577x6A Parts Manual
![Murray 46577x6A Tractor manual cover](/images/ltJYmAHAxcubERqIgRngSVpP/thumbs/thumb175x175.webp)
To change the oil, first run the engine for a few minutes to warm it up, then turn off the engine. Locate the oil drain plug beneath the engine and place an oil pan below it. Remove the plug and allow the old oil to drain completely. Replace the drain plug, then remove the oil fill cap and add new oil as recommended in the user manual.
Use regular unleaded gasoline with an octane rating of 87 or higher. Avoid using fuels containing more than 10% ethanol to prevent engine problems.
Check the battery connections to ensure they are clean and tight. Verify that there is fuel in the tank and that the fuel valve is open. Inspect the spark plug for fouling and replace if necessary. If the problem persists, consult the troubleshooting section of the manual or contact a professional technician.
Blade sharpening frequency depends on usage, but it's generally recommended to sharpen the blades after every 25 hours of mowing. Inspect the blades regularly for nicks or dullness and sharpen as needed.
To adjust the cutting height, locate the height adjustment lever on the side of the tractor. Move the lever to the desired position that corresponds to the preferred grass height. Always adjust the height with the engine off for safety.
Regular maintenance includes checking and changing the oil, inspecting and replacing the air filter, sharpening the blades, checking tire pressure, and cleaning the mower deck to prevent grass buildup. Refer to the owner's manual for a detailed maintenance schedule.
Excessive vibration can be caused by unbalanced or damaged blades, loose engine mounting bolts, or debris caught under the mower deck. Inspect these areas and correct any issues found.
To clean the mower deck, first ensure the engine is off and the spark plug wire is disconnected for safety. Use a hose to spray off grass clippings and debris. For stubborn buildup, a plastic scraper can be used to remove it. Dry the deck thoroughly to prevent rust.
Check the drive belt for wear or damage and ensure it is properly tensioned. Inspect the transmission linkage and adjust as necessary. If issues persist, it may require professional inspection or repair.
Ensure the tires are properly inflated and consider using tire chains for better traction. Adjust the cutting height to avoid scalping the ground. Regularly check and maintain the steering components for optimal maneuverability.