Murray 425621x108A Parts Manual
![Murray 425621x108A Tractor manual cover](/images/ASAdPvdHgyRQXxIYlBpdpXlv/thumbs/thumb175x175.webp)
To change the oil, first warm up the engine to ensure the oil drains out smoothly. Turn off the engine and remove the oil drain plug. Let the old oil drain completely into a pan. Replace the drain plug, remove the oil filter, and install a new one. Finally, refill with the recommended oil type and capacity.
If the engine won't start, check the battery for a full charge and clean connections. Ensure the fuel tank is not empty and the fuel line is not clogged. Check for a clean and functional spark plug. If issues persist, consult the user manual or contact a professional.
Regularly inspect the blades for wear or damage. Sharpen or replace them as necessary. Always disconnect the spark plug before servicing the blades. Use a wrench to remove the blade bolts, and ensure the blades are balanced after sharpening.
For winter storage, clean the tractor thoroughly. Add a fuel stabilizer to the tank, and run the engine for a few minutes. Change the oil and oil filter. Remove the battery and store it in a cool, dry place. Cover the tractor to protect it from dust and moisture.
To adjust the cutting height, locate the height adjustment lever, usually on the side of the mower deck. Move the lever to the desired position that corresponds to the preferred cutting height. Ensure the mower is on a flat surface when making adjustments.
Check the drive belt for wear and proper tension. Ensure the belt is seated correctly on the pulleys. If the belt is worn or damaged, replace it. Inspect the transmission fluid level and add fluid if necessary. If problems continue, consult a service professional.
The air filter should be checked every 25 hours of operation and replaced every 100 hours or annually, whichever comes first. In dusty conditions, the air filter may need more frequent servicing. Always replace with a filter that meets the manufacturer's specifications.
The recommended tire pressure is usually listed in the owner's manual or on the tire sidewall. As a general guideline, maintain the front tires at 14 psi and the rear tires at 10 psi, but always verify with the specific recommendations for your model.
Uneven cutting can be caused by dull blades, uneven tire pressure, or a misaligned deck. Ensure the blades are sharp and balanced. Check and adjust the tire pressure to the recommended levels. Level the deck using the adjustment points specified in the manual.
Excessive vibration can be due to unbalanced or damaged blades, loose bolts, or worn bearings. Inspect the blades for damage and ensure they are balanced. Tighten any loose bolts on the mower deck and chassis. Check for worn bearings and replace them if necessary.