Toro Wheel Horse 52-inch 78452 Operator's Manual
![Toro Wheel Horse 52-inch 78452 Mower manual cover](/images/lkHkBePNaZccSrGfKxagEUkK/thumbs/thumb175x175.webp)
To change the oil, first run the engine for a few minutes to warm it up. Then, turn off the engine and remove the oil drain plug. Allow the oil to drain completely into a suitable container. Replace the drain plug and fill the engine with new oil as specified in the owner's manual.
Check the fuel level and make sure the fuel valve is open. Verify that the spark plug is clean and properly connected. Ensure the battery is charged. If the mower still won't start, consult the troubleshooting section of the manual or contact a professional technician.
Locate the cutting height adjustment lever on the mower deck. Move the lever to the desired position to raise or lower the cutting height. Make sure both sides are adjusted equally to ensure an even cut.
Regularly inspect the mower blades for sharpness and damage. Sharpen or replace the blades as needed to ensure a clean cut. Always disconnect the spark plug before working on the blades to prevent accidental starting.
Regular maintenance is key. Change the oil and air filter, sharpen the blades, check tire pressure, and clean the mower deck frequently. Store the mower in a dry, covered area when not in use to protect it from the elements.
This could be due to dull blades, incorrect mowing speed, or uneven terrain. Ensure the blades are sharp and the cutting deck is level. Adjust your mowing speed to allow the mower to cut evenly across the lawn.
To replace the drive belt, first disconnect the spark plug. Remove the cutting deck and locate the belt. Take note of the belt routing, then remove the old belt and install the new one following the same path. Reattach the cutting deck and reconnect the spark plug.
Use fresh, unleaded gasoline with an octane rating of 87 or higher. Avoid using gasoline with more than 10% ethanol, as it can damage the engine components.
Clean the mower thoroughly and remove any grass clippings. Change the oil, add fuel stabilizer to the gas tank, and run the engine for a few minutes. Disconnect the battery and store the mower in a dry place. Cover it to protect from dust and moisture.
Excessive vibration can be caused by imbalanced blades, loose components, or damaged parts. Check the blades for balance and ensure all bolts and screws are tightened. Inspect the mower for any visible damage and replace any worn-out parts.