Briggs & Stratton 40371x50B Parts Manual
![Briggs & Stratton 40371x50B Tractor manual cover](/images/TiNWIcdNFCZzhZJEPBrQazOc/thumbs/thumb175x175.webp)
To start the tractor, ensure the parking brake is engaged, the PTO is off, and the throttle is set to choke if the engine is cold. Turn the ignition key to the start position until the engine starts, then release the key. Adjust the throttle to the desired speed once the engine is running smoothly.
Check that the battery is charged and connections are clean and tight. Ensure there is fuel in the tank and the fuel valve is open. Verify that the spark plug is clean and properly gapped. If problems persist, consult the user manual for troubleshooting steps.
Change the oil after the first 5 hours of use, and then every 50 hours or annually, whichever comes first. Use the recommended oil type as specified in the user manual.
Use unleaded gasoline with an octane rating of 87 or higher. Avoid using gasoline with more than 10% ethanol. Always use fresh fuel and add a fuel stabilizer if the tractor will be stored for an extended period.
Locate the air filter cover on the side of the engine. Remove the cover screws or clips and take out the old air filter. Insert the new air filter, ensuring it is seated correctly, and replace the cover securely.
Ensure the PTO switch is in the 'on' position. Check the drive belt for wear or damage and replace if necessary. Verify that the electric clutch and its wiring are functioning properly. If issues persist, consult a professional technician.
Regularly sharpen the mower blades and ensure they are balanced. Adjust the cutting height according to the grass type and condition. Clean the underside of the mower deck to prevent grass buildup.
Refer to the tire sidewall for the manufacturer's recommended tire pressure, typically around 10-15 psi for rear tires and 12-16 psi for front tires. Check tire pressure regularly to ensure optimal performance.
Clean the tractor thoroughly and perform any necessary maintenance. Add a fuel stabilizer to the fuel tank and run the engine for a few minutes. Disconnect the battery and store it in a cool, dry place. Cover the tractor to protect it from dust and moisture.
Inspect the mower blades for balance and sharpness. Check the drive belt for alignment and tension. Ensure that all bolts and fasteners are tight. If the issue continues, it may be necessary to consult a professional technician.