Murray 312006x51A Parts Manual
![Murray 312006x51A Tractor manual cover](/images/duNwxcPZDgWOhHjsQEYzwius/thumbs/thumb175x175.webp)
To change the oil, first warm up the engine to ensure the oil drains out smoothly. Turn off the engine and place a container under the oil drain plug. Remove the plug and allow the oil to fully drain. Replace the drain plug, then refill with the recommended oil type and quantity as specified in the owner's manual.
Ensure the battery is fully charged and terminals are clean. Check the fuel level and ensure the fuel valve is open. Inspect the spark plug for wear or damage, and replace if necessary. If the problem persists, consult the troubleshooting section of the manual or contact a professional.
To adjust the cutting height, locate the height adjustment lever near the rear wheels. Move the lever to the desired position, ensuring it clicks into place. Always adjust the height with the engine off and the tractor on a flat surface.
Regularly check the air filter for dirt and debris. Clean it using compressed air or replace it if it's excessively dirty or damaged. Refer to the owner's manual for the recommended cleaning schedule and replacement part numbers.
Remove the blades by unscrewing the bolts that secure them. Use a grinder or a sharpening stone to sharpen the blades evenly, maintaining the original angle. Balance the blades before reattaching them to avoid vibration during operation.
Ensure the blades are sharp and properly installed. Check the mower deck for obstructions or buildup of grass clippings. Adjust the mowing speed and height to suit the grass conditions. If the problem continues, inspect the belt for wear and replace if necessary.
Check the battery terminals for corrosion and clean them with a wire brush if necessary. Ensure the battery is securely mounted and inspect the cables for wear. Check the electrolyte level, if applicable, and top up with distilled water.
Low transmission fluid or worn belts can cause slippage. Check the fluid level and top up if necessary. Inspect the belts for wear or damage and replace them if needed. If the issue persists, seek professional assistance.
Lubricate all moving parts, such as axles and steering components, every 25 operating hours or as specified in the owner's manual. Use the recommended lubricant to ensure optimal performance and longevity of the parts.
Clean the tractor thoroughly and remove any debris. Change the oil and oil filter. Add fuel stabilizer to the tank and run the engine for a few minutes. Disconnect the battery and store it in a cool, dry place. Cover the tractor with a tarp or store it indoors to protect it from the elements.