Toro Wheel Horse 42-inch 78345 Operator's Manual
![Toro Wheel Horse 42-inch 78345 Mower manual cover](/images/UuMWFPJUeAZZfIWtCLFOmmfm/thumbs/thumb175x175.webp)
To change the oil, first run the engine a few minutes to warm it up, then turn it off. Remove the oil fill cap/dipstick. Position a drain pan under the oil drain plug, remove the plug, and allow the oil to drain completely. Replace the plug, and refill with the recommended oil type.
Use a 42-inch replacement blade that matches the original specifications. Ensure that it is designed for the Toro Wheel Horse model to maintain optimal performance and safety.
Check the battery connections for corrosion and ensure they are tight. Verify there is fuel in the tank and that the fuel valve is open. Inspect the spark plug for damage or wear. If the mower still won't start, consult the manual or contact a professional.
Perform routine checks before each use, such as checking the oil level and air filter. Change the oil every 50 hours of operation or annually. Sharpen or replace blades as needed and inspect belts and tires regularly. Refer to the manual for a detailed maintenance schedule.
Locate the height adjustment lever on the side of the mower deck. Move the lever to your desired cutting height, which ranges from 1 to 4 inches. Ensure both sides of the deck are set to the same height for an even cut.
After each mowing session, use a garden hose with a spray nozzle to rinse off grass clippings and debris from the deck. Ensure the mower is off, and avoid getting water on the engine. For stubborn debris, use a brush or scraper.
Excessive vibration may indicate an unbalanced or damaged blade. Inspect the blades for damage and balance them if necessary. Also, check for loose bolts or mounting parts. If the problem persists, consult a professional technician.
Ensure the air filter is clean and the spark plug is in good condition. Use fresh, clean fuel and maintain the correct tire pressure. Regularly service the mower according to the maintenance schedule to keep it running efficiently.
Uncut patches may be due to dull blades or an uneven deck. Sharpen the blades and check the deck alignment. Ensure the ground is not too wet and that the grass is not overly long for a single cut.
Always wear protective gear, such as gloves and safety glasses. Keep children and pets away from the mowing area. Never make adjustments or repairs while the mower is running. Follow all safety warnings and instructions in the manual.