Toro Wheel Horse XLS 420T 71255 Operator's Manual
![Toro Wheel Horse XLS 420T 71255 Tractor manual cover](/images/dtRNfOXxxRezVTnIoAwvjbhN/thumbs/thumb175x175.webp)
To perform a basic maintenance check, inspect the air filter, oil level, and tire pressure. Verify that all belts and hoses are in good condition. Clean the mower deck and check the battery charge.
If the engine does not start, check the fuel level and ensure the fuel valve is open. Inspect the battery for charge and connections. Make sure the PTO switch is off and the brake pedal is fully depressed.
To change the oil, run the engine to warm the oil, then turn it off. Place a container under the oil drain plug, remove the plug, and let the oil drain. Replace the drain plug and refill with new oil as per the specifications.
To adjust the cutting height, locate the height adjustment lever or knob on the mower deck. Adjust it to the desired cutting height. Ensure the deck is level for an even cut.
Uneven cutting can be due to a misaligned deck, dull blades, or tire pressure issues. Check the deck alignment, sharpen the blades, and ensure all tires are equally inflated.
Excessive vibration could be due to unbalanced blades, loose parts, or worn bearings. Inspect the blades for balance, tighten loose bolts, and check the bearings for wear.
The spark plug should typically be replaced once a year or every 100 hours of operation, whichever comes first. Always use the recommended spark plug type for best performance.
Use unleaded gasoline with an octane rating of 87 or higher. Avoid using gasoline with more than 10% ethanol as it may damage the engine.
To winterize, clean the tractor thoroughly, perform an oil change, drain the fuel or add a stabilizer, and disconnect the battery. Store in a dry, covered location.
Check the PTO switch and wiring for faults. Ensure the battery is charged and connections are tight. Inspect the belts and clutch for wear or damage.