Simplicity 1691492 6512.5H Parts Manual
![Simplicity 1691492 6512.5H Tractor manual cover](/images/YgvHCOgbYtGYpgQxdBDWzzZM/thumbs/thumb175x175.webp)
To start the tractor, ensure that it is on a flat surface. Insert the key into the ignition, set the throttle to the 'fast' position, and turn the key clockwise until the engine starts. Release the key once the engine is running.
For optimal performance, use SAE 30 oil when operating in temperatures above 32°F (0°C). For colder climates, use 5W-30 or 10W-30 oil. Always refer to the owner's manual for specific oil recommendations.
If the tractor won't start, check the battery connections to ensure they are clean and tight. Verify that the fuel tank has sufficient gasoline and that the fuel valve is open. Lastly, inspect the spark plug for wear or damage.
The recommended tire pressure for the front tires is 14 PSI and for the rear tires is 10 PSI. Always check tire pressure when the tires are cold for accurate readings.
The air filter should be inspected every 25 hours of operation and replaced every 100 hours or annually, whichever comes first. Operating in dusty conditions may require more frequent inspections.
Ensure that the blades are sharp and not bent. Check that the deck is level by measuring the blade height at different positions. Adjust the deck height as necessary and make sure all deck mounting hardware is secure.
Clean the tractor thoroughly to remove dirt and debris. Add a fuel stabilizer to the fuel tank and run the engine for a few minutes. Change the oil, remove the battery, and store the tractor in a dry, sheltered place. Cover the tractor to protect it from dust and moisture.
Regular maintenance tasks include checking the oil level before each use, cleaning the air filter every 25 hours, inspecting the blades for sharpness, and ensuring all bolts and nuts are tightened. Refer to the manual for a complete maintenance schedule.
To improve traction, consider using tire chains or wheel weights. Reducing the tire pressure slightly can also increase the contact area, providing better grip on wet or uneven surfaces.
Excessive vibration can be caused by unbalanced blades, loose hardware, or damaged components. Inspect the blades for balance, tighten all bolts and nuts, and check for any bent or damaged parts. Replace any components that show signs of wear or damage.