Simplicity 1691468 6512.5H Parts Manual
![Simplicity 1691468 6512.5H Tractor manual cover](/images/dVAOOfPqwNzSWgWwfIiVvCEC/thumbs/thumb175x175.webp)
To start the tractor, ensure the parking brake is engaged, the PTO is disengaged, and the throttle is set to mid-range. Turn the ignition key to the start position until the engine starts.
Check the battery connections for corrosion or looseness, ensure the fuel tank has sufficient fuel, and verify the spark plug is in good condition. If problems persist, consult the user manual for troubleshooting steps.
Regular maintenance includes checking the oil level, cleaning or replacing the air filter, inspecting the belts for wear, and sharpening the mower blades. Refer to the maintenance schedule in the manual for detailed instructions.
Use SAE 10W-30 oil for the engine in most climates. In colder temperatures, SAE 5W-30 may be more suitable. Always refer to the manual for the manufacturer's recommendations.
Check that the mower deck is level, inspect the blades for sharpness and damage, and ensure the tire pressure is equal on all wheels. Adjust the deck height if necessary.
Clean the tractor thoroughly, change the oil, disconnect the battery, and store it in a dry, covered space. Add fuel stabilizer to the fuel tank if storing for an extended period.
Check the coolant level and ensure that the radiator fins are not blocked by debris. Make sure the fan is operating correctly. If overheating persists, consult a professional.
Locate the throttle cable adjustment screw near the carburetor. Loosen the lock nut, adjust the cable to the desired tension, and retighten the lock nut. Test the throttle response after adjustment.
The recommended tire pressure is typically 10-14 PSI for the front tires and 8-12 PSI for the rear tires. Always refer to the tire sidewall or the owner's manual for specific recommendations.
To change the spark plug, disconnect the spark plug wire, remove the old spark plug with a spark plug socket, and install the new plug. Ensure it is tightened to the correct torque and reconnect the spark plug wire.