Simplicity 1691168 SunStar Parts Manual
![Simplicity 1691168 SunStar Tractor manual cover](/images/TTLpiVZJnxkBkMVZYbriiFSv/thumbs/thumb175x175.webp)
The recommended maintenance schedule includes checking the oil level every 10 hours, changing the oil every 50 hours, inspecting the air filter every 25 hours, and replacing it every 100 hours. Also, lubricate moving parts every 25 hours and check tire pressure monthly.
If the tractor won't start, check the battery connections for corrosion, ensure the fuel tank is full, and inspect the spark plug for wear. Also, verify that the safety switches are engaged, and the PTO is off.
Use SAE 30 oil for temperatures above 32°F (0°C) and SAE 10W-30 for colder temperatures. Always check the manual for specific brand recommendations.
Ensure the blades are sharp and balanced, clean the underside of the deck regularly to prevent grass buildup, and adjust the cutting height for optimal performance.
Check the transmission fluid level and top up if necessary. Inspect the drive belt for wear or damage, and replace it if needed. If the problem persists, consult a professional technician.
Clean the tractor thoroughly, remove any debris from the mower deck, change the oil, and add a fuel stabilizer to the gas tank. Store the tractor in a dry, sheltered location. Disconnect the battery and inflate the tires to the recommended pressure.
First, disconnect the spark plug wire to ensure safety. Then, lower the mower deck and use a wrench to remove the blade bolt. Replace the blade with a new one, ensuring the cutting edge is facing the correct direction, and tighten the bolt securely.
Check if the tire pressure is even on all sides, ensure the mower deck is level, and inspect the blades for wear or damage. Adjust the deck height as needed for a uniform cut.
Stop the tractor and allow it to cool down. Check the cooling fins for debris and clean them if necessary. Ensure the engine oil level is adequate and consider using a higher-grade oil if overheating persists.
Locate the belt tension adjustment area near the transmission, loosen the bolts, and adjust the pulley until the belt has the proper tension. Retighten the bolts and check the belt alignment before use.