As a core power equipment in agricultural production, the daily inspection and maintenance of tractors are crucial for ensuring operational efficiency and extending their service life. The following are key maintenance steps:

**External Inspection:** Clean the machine body of oil and dust, check for loose connecting bolts, ensure adequate tire pressure, and verify that the diesel fuel, engine oil, and coolant levels are normal. After starting, let the engine idle for 3-5 minutes to lubricate internal components, and simultaneously check the instrument panel, lights, and horn functions.

**Lubrication System Maintenance:** Regularly replace the air filter, diesel filter, and oil filter, clean the hydraulic oil filter, and select appropriate lubricants according to seasonal requirements. Check the lubrication status of the turbocharger bearings and ensure that all lubrication points, grease nipples, and oil cups are intact.

**Cooling System Inspection:** Focus on checking for the risk of engine freezing, and after adding soft water, observe the water level changes to avoid using well water or tap water that is prone to scaling.

**Electrical System Maintenance:** Verify that the starting, lighting, and instrument circuits are functioning correctly to prevent leakage or short circuits. Check the battery charge level and perform safe charging if necessary, ensuring that the electrolyte level is appropriate.

**Braking and Steering Systems:** Check the wear and tightness of the brake lines and adjust the brake pedal free travel; ensure that the steering mechanism parts are undamaged and that the steering wheel free play meets the standard.

By regularly performing these steps, you can significantly reduce malfunctions, improve tractor reliability, and provide solid support for agricultural production.