Agricultural Machinery Adjustment and Fuel Saving:
1. Adjust the valve clearance. Proper adjustment of the intake and exhaust valves should be done before and after the top dead center of the exhaust stroke to ensure accurate valve timing by minimizing valve clearance. This helps maintain engine efficiency and performance.
2. Optimize the fuel injection timing. The fuel advance angle in a diesel engine must be adjusted according to environmental conditions. The fuel feed advance timing directly impacts engine power and fuel consumption. For example, the SI95 oil machine typically requires an injection advance angle of 16–20 degrees for optimal performance.
3. Regulate the fuel injection pressure. The injection pressure of the 195 diesel engine’s fuel injector is around 120.5 kg/cm². If the pressure drops below 100 kg/cm², fuel consumption can increase by 10–20 grams per kWh. To keep the system running efficiently, operators should regularly test and adjust the fuel injectors.
Efficient Use of Equipment for Better Fuel Economy:
1. Keep the air, diesel, and oil filters clean. Regular maintenance of these components ensures proper airflow and fuel flow, which improves engine efficiency.
2. Replace lubricants on schedule. Using the right type and quality of lubricant at the correct intervals helps reduce internal friction and wear, contributing to better fuel economy.
3. Fill the fuel tank as required. Always use high-quality fuel that meets the manufacturer’s specifications. Avoid using old or contaminated fuel, as it can damage the engine and increase fuel consumption.
4. Operate multiple farm implements simultaneously when possible. This maximizes the utilization of the machinery and reduces idle time, leading to more efficient fuel use.
5. Choose the right gear and throttle settings. When operating under light load, use a higher gear with a smaller throttle opening to minimize fuel usage. This not only saves fuel but also extends the life of the engine.
By following these practices, farmers and operators can significantly improve the fuel efficiency of their agricultural machinery while maintaining productivity and reducing operational costs. (Li Dingxi, Liu Liehui)
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