Because of the variety and specifications of the diesel engine, the requirements for the oil used are not uniform. If there is no specific requirement for the oil in the diesel engine specification or no distinction between winter and summer, the oil should be released when the diesel engine is heated or after the operation, and the water temperature is about 80 degrees, and the oil should be precipitated at least 24 hours before being re-used. Sedimented oil base should be poured out and new oil should be added when oil is insufficient. If the engine oil is divided into winter and summer in the diesel engine instructions, the engine oil should be replaced in time. The method is: to make the water temperature of the diesel engine reach 80 degrees, while the heat is discharged clean oil. After 30 minutes, tighten the plug, add the same amount of diesel oil to the oil pan, run at medium speed for 1-2 minutes, and release the diesel oil for washing.

      Cleaning three filters, three net air filters, diesel filters and oil filters are commonly called three filters. When cleaning, the main attention is that the three filters are paper filters, in addition to the air filter filters can be used after cleaning, the rest of the best replacement of new products; metal filters, filters can only be cleaned with clean oil, brushes or air cylinders, with gas blowing out dirt, must not burn. "Three nets" refers to the filters of diesel fuel filling port, oil filling port and exhaust outlet, which should be thoroughly cleaned.

      Spring temperature of zero diesel oil is rising rapidly, and diesel engine is becoming more and more adaptable to fuel. The use of zero diesel oil can reduce costs and increase farmers'income.