Simplicity 1690737 6218 Parts Manual
![Simplicity 1690737 6218 Tractor manual cover](/images/pEHNMJkLFErUcEgFBHxtSvUa/thumbs/thumb175x175.webp)
To change the oil, first ensure the engine is cool. Locate the oil drain plug underneath the tractor, place a container beneath it, and remove the plug. Allow the oil to fully drain. Replace the plug and fill the engine with new oil through the oil fill cap, checking the level with the dipstick.
Use unleaded gasoline with an octane rating of 87 or higher. Avoid using gasoline with more than 10% ethanol to prevent damage to the engine.
If the tractor won't start, check the battery connections and ensure they're tight and free of corrosion. Verify the fuel level and that the fuel valve is open. Inspect the spark plug for wear or damage and replace if necessary.
Regularly clean the mower deck to prevent grass buildup. Sharpen the blades as needed, and ensure the deck is properly aligned and leveled. Check the belt for signs of wear and replace if necessary.
Turn off the engine and allow it to cool. Check for obstructions in the air intake and cooling fins. Ensure the engine oil level is adequate. If overheating persists, consult the manual or a professional technician.
Locate the cutting height adjustment lever on the tractor. Move the lever to the desired position, ensuring that the deck is level for an even cut.
The recommended tire pressure is typically around 10-12 psi for the front tires and 8-10 psi for the rear tires. Check the sidewall of the tires for specific recommendations.
Inspect the air filter every 25 hours of operation. Replace it if it's dirty or damaged, or at least once a season to ensure optimal performance.
Clean the tractor thoroughly and perform necessary maintenance such as oil change and lubrication. Stabilize the fuel or drain it completely. Store the tractor in a dry, sheltered location and disconnect the battery.
Check the battery terminals for corrosion and clean them with a baking soda solution if necessary. Ensure the battery is fully charged and electrolyte levels are adequate if it's not a maintenance-free type.