Kubota F3690 Operator's Manual
![Kubota F3690 Mower manual cover](/images/sRjvXCoSmgSHTocImNUyBkkS/thumbs/thumb175x175.webp)
Ensure the parking brake is engaged, the PTO switch is off, and the throttle is set to low. Turn the ignition key to the start position until the engine starts.
Check the fuel level, ensure the battery is charged, verify the spark plug is clean, and confirm that the safety switches are engaged properly.
Change the engine oil every 100 hours of operation or at least once a year, whichever comes first.
The recommended tire pressure is generally 12 psi for the front tires and 16 psi for the rear tires. Check the operator's manual for specific recommendations.
Check the mower deck for levelness, ensure blades are sharp and balanced, and inspect for any obstruction or damage to the deck.
Ensure the radiator is clean and free from debris, check the coolant level, and verify that the fan is functioning properly.
Sharpen the blades regularly, typically every 25 hours of use, and replace them if they show signs of significant wear or damage.
Use clean, fresh diesel fuel with a cetane number of 45 or higher. Avoid using biodiesel blends above B5.
Use the cutting height adjustment lever located near the operator's seat to raise or lower the mower deck to the desired height.
Perform regular maintenance including checking and changing the oil and filters, inspecting belts and hoses, lubricating moving parts, and ensuring the battery is charged.