Simplicity 1690738 6218 Parts Manual
![Simplicity 1690738 6218 Tractor manual cover](/images/LFbwUPUaGPjOSWIgIhWEAPTZ/thumbs/thumb175x175.webp)
Routine maintenance includes checking the engine oil level, cleaning or replacing the air filter, inspecting the spark plug, and ensuring all nuts and bolts are tightened. Regularly check the tire pressure and sharpen the blades as needed.
First, check the battery connections to ensure they are clean and secure. Verify that the fuel tank has enough gasoline and the fuel valve is open. Inspect the spark plug for wear and replace it if necessary.
The cutting height can be adjusted using the lever located on the side of the tractor. Move the lever to raise or lower the deck to your desired height. Ensure the tractor is on a flat surface for an accurate adjustment.
To change the oil, first run the engine for a few minutes to warm it up, then turn it off. Remove the oil drain plug and let the old oil drain into a container. Replace the drain plug and add new oil through the oil fill cap. Make sure to use the correct oil type as specified in the manual.
Uneven cutting can be caused by a misleveled deck. Check the tire pressure on all wheels and adjust if necessary. Inspect the mower blades for sharpness and damage. If needed, adjust the deck level according to the manual.
Excessive vibration can be due to unbalanced or damaged blades. Inspect the blades for damage or imbalance and replace if necessary. Also, check for debris lodged in the mower deck and clean it out.
To maintain the battery, ensure the terminals are clean and free of corrosion. Keep the battery charged, especially during off-season storage. Disconnect the battery when the tractor is not in use for extended periods.
Check the transmission fluid level and add fluid if necessary, as per the manufacturer's specifications. Inspect the drive belt for wear and tension, and replace it if required. If the problem persists, consult a professional technician.
Clean the tractor thoroughly to remove grass and debris. Drain the fuel system or add a fuel stabilizer. Remove the battery and store it in a cool, dry place. Cover the tractor to protect it from dust and moisture.
Ensure the cooling fins are clean and unobstructed. Check the engine oil level and refill if necessary. Inspect the airflow around the engine and remove any debris. If the problem continues, consult a professional technician.