Simplicity 990399 Landlord 2012 Parts Manual
![Simplicity 990399 Landlord 2012 Tractor manual cover](/images/psFHQHQjVZaikCxpmfCHEHGQ/thumbs/thumb175x175.webp)
To change the oil, first warm up the engine to ensure the oil flows out smoothly. Turn off the engine and remove the drain plug to allow the oil to drain completely. Replace the drain plug, and then remove the oil filter. Install a new filter and fill the engine with the recommended oil type and amount.
Check the battery connections to ensure they are clean and tight. Verify that the fuel tank has gasoline and the fuel valve is open. Inspect the spark plug for wear or damage and replace if necessary. If the tractor still won't start, consult the manual for further diagnostics.
Regular maintenance should be performed every 50 hours of operation or as recommended in the user manual. This includes checking the oil level, air filter, and tire pressure, as well as lubricating moving parts.
To adjust the mower deck, ensure the tractor is on a flat surface. Use the deck lift lever to set the desired cutting height. Check both sides of the deck to ensure they are level, and adjust the linkages if necessary.
Use unleaded gasoline with a minimum octane rating of 87. Avoid using ethanol blends higher than 10% to prevent damage to the engine components.
Check if the mower deck is level and adjust if necessary. Inspect the blades for sharpness and damage; sharpen or replace as needed. Ensure the tire pressure is equal on all sides to avoid uneven cutting.
To winterize, remove the battery and store it in a cool, dry place. Drain the fuel or add a fuel stabilizer. Change the oil and oil filter, and clean the tractor thoroughly to remove any debris. Cover the tractor to protect it from dust and moisture.
Locate the air filter housing, usually near the top of the engine. Remove the cover and take out the old air filter. Insert a new air filter and replace the cover, ensuring it is securely fastened.
Check the transmission fluid level and top it up if necessary. Inspect the drive belt for signs of wear or damage and replace if needed. If the problem persists, consult a professional technician for further diagnosis.
Regular maintenance, such as changing the oil, replacing the air filter, and keeping the blades sharp, can enhance performance. Ensure the tires are properly inflated and the mower deck is correctly adjusted for optimal cutting efficiency.