Simplicity 1691380 SunStar Parts Manual
![Simplicity 1691380 SunStar Tractor manual cover](/images/QbfTVuxOHpRhDzRzmrWDNvkr/thumbs/thumb175x175.webp)
To start the Simplicity 1691380 SunStar Tractor, ensure the parking brake is engaged, the PTO is disengaged, and the gear shift lever is in neutral. Insert the key into the ignition and turn it to the 'Start' position. Release the key once the engine starts.
The Simplicity 1691380 SunStar Tractor should use unleaded gasoline with an octane rating of 87 or higher. Always ensure the fuel is fresh and free of contaminants.
Check the engine oil level before each use or at least every 8 hours of operation. Ensure the tractor is on a level surface and the engine is cool. Use the dipstick to check the oil level and add oil if necessary.
To change the oil, run the engine for a few minutes to warm it up, then turn it off. Remove the oil drain plug and allow the oil to drain completely. Replace the drain plug and refill with the recommended oil type and amount. Finally, check the oil level with the dipstick.
If the tractor won't start, check the battery connections for corrosion and ensure they are tight. Verify that the fuel tank has fuel and that the fuel shutoff valve is open. Check the spark plug for fouling and replace if necessary.
Regularly inspect the mower deck for debris and clean it after each use. Sharpen the blades at least once a season or more frequently if needed. Check the belts for wear and tension and replace them if necessary.
To adjust the cutting height, locate the cutting height adjustment lever on the tractor. Move the lever to the desired position, ensuring the deck is set evenly on both sides. Refer to the owner's manual for specific height settings.
If the tractor is overheating, check the cooling fins and air intake for blockages and clean them. Ensure that the engine oil level is adequate and that the oil is not old or degraded. Inspect the radiator for leaks or damage.
For off-season storage, clean the tractor thoroughly and remove any grass or debris. Drain the fuel tank or add a fuel stabilizer. Change the oil and remove the battery, storing it in a cool, dry place. Cover the tractor to protect it from dust and moisture.
If the transmission is not engaging, check the transmission fluid level and add fluid if necessary. Inspect the drive belts for wear or damage and replace them if needed. Verify that the transmission linkage is properly connected and adjusted according to the manufacturer's specifications.