Murray 425008x8A Parts Manual
![Murray 425008x8A Tractor manual cover](/images/pgpYLbOGAlllVBcSXikMpxuW/thumbs/thumb175x175.webp)
To change the oil, first, run the engine for a few minutes to warm it up. Turn off the engine and disconnect the spark plug. Place an oil pan under the engine and remove the oil drain plug. Allow the old oil to completely drain out. Replace the drain plug and fill with new oil as per the specifications in the user manual.
The Murray 425008x8A Tractor is designed to run on unleaded gasoline with an octane rating of 87 or higher. Avoid using ethanol blends greater than 10% to prevent damage to the engine.
If the tractor won't start, check the battery for charge and connections. Ensure the fuel tank has clean, fresh fuel. Inspect the spark plug for wear or damage and replace if necessary. Make sure the choke is in the correct position and the fuel valve is open.
It's recommended to check the oil level before each use, change the oil every 50 hours of operation, inspect the air filter every 25 hours, and replace it as needed. Sharpen blades regularly and check tire pressure before each use. Conduct a full inspection at the start of each season.
To replace the mower blades, ensure the tractor is turned off and the spark plug is disconnected. Lift the tractor safely and support it. Use a wrench to remove the bolt holding the blade in place. Replace with a new blade, ensuring it is securely fastened.
Excessive vibration can be caused by unbalanced blades, loose bolts, or worn bearings. Check the mower blades for damage and balance. Tighten any loose bolts and inspect the bearings for wear, replacing them if necessary.
Remove the air filter cover and take out the filter. If it's a foam filter, wash it with warm soapy water, rinse, and let it dry completely. If it's a paper filter, tap it gently to remove debris. Replace it if heavily soiled or damaged. Reinstall the filter and secure the cover.
Check the PTO (Power Take-Off) switch and ensure it is functioning properly. Inspect the deck belt for wear or damage and replace it if necessary. Ensure that all linkages and connections are intact and not obstructed.
Locate the cutting height adjustment lever, usually situated on the side of the tractor. Move the lever to the desired position to raise or lower the cutting deck. Make sure both sides of the deck are adjusted evenly for a uniform cut.
Clean the tractor thoroughly and remove any grass or debris. Drain the fuel tank or add a fuel stabilizer. Change the oil and check other fluids. Disconnect the battery and store it in a cool, dry place. Cover the tractor to protect it from dust and moisture.