Toro Wheel Horse 520-H 73520 Setup Instructions
![Toro Wheel Horse 520-H 73520 Tractor manual cover](/images/NjYWXwykcjCvIyUgkpeRUooE/thumbs/thumb175x175.webp)
To change the oil, first ensure the tractor is on a level surface. Remove the oil drain plug located under the engine and allow the old oil to drain completely. Replace the drain plug and refill the engine with new oil, ensuring you use the correct type and amount as specified in the manual.
Use unleaded gasoline with an octane rating of at least 87. Avoid using ethanol blends higher than E10, as they can cause performance issues.
First, check the battery connections and ensure they are tight and free of corrosion. Verify that there is enough fuel in the tank and the fuel shut-off valve is open. Check the spark plug for fouling or wear and replace if necessary. If the problem persists, consult the service manual or a qualified technician.
The recommended tire pressure is typically 12 PSI for the front tires and 10 PSI for the rear tires. Always check the tire sidewall or the owner's manual for specific recommendations.
Adjust the cutting height by using the height adjustment lever located on the tractor's console. Move the lever to the desired position, ensuring the deck is even on all sides for an even cut.
Before storing, clean the tractor thoroughly to remove dirt and debris. Change the oil and filter, check and inflate tires to the correct pressure, and add a fuel stabilizer to the fuel tank. Store the tractor in a dry, covered area to protect it from the elements.
Excessive vibration can be caused by unbalanced blades, loose bolts, or worn bearings. Check and balance the blades, tighten any loose bolts, and inspect bearings for wear and replace them if necessary.
To replace the drive belt, first disconnect the battery and remove the mower deck. Locate the belt routing diagram on the tractor and follow it to remove the old belt. Install the new belt according to the diagram, ensuring it is properly seated on all pulleys.
Check the transmission fluid level and top it off if necessary. Inspect the drive belt for wear or damage and replace it if needed. If the problem persists, it may require professional servicing to check the internal components.
Maintain proper tire pressure, replace the air filter regularly, and ensure the engine is tuned correctly. Avoid excessive idling and use the appropriate engine speed for the task at hand to improve fuel efficiency.