1. Including a large amount of solvent, please first remove most of the solvent in the oven or the drying box, and then use the oil pump to evacuate. 2. Water will corrode the oil pump, so it is strictly forbidden to use the oil pump to pump vacuum. 3. Remove the anti-rust oil from the inner chamber of the governor and the inner chamber of the fuel injection pump, and participate in the lubricating oil of the specified grade. 4. The anti-rust oil in the fuel line should also be cleaned before use. Connect the fuel to the fuel injection pump line and turn the pump pulley on the fuel pump until the outlet valve is clean. 5. Fuel selection is reasonable. 6. Always use a properly labeled fuel. In the summer, the No. 0 diesel oil is used, and in the cold winter, the No. 10 light diesel oil is used. 7. The fuel used must be clean and must not include impurities and nutrients. 8. Use the aspirator in the exact order to avoid back suction. 9. After using the vacuum oven or high temperature drying oven, you must do a cleaning office, wipe the glass window of the vacuum oven or high temperature drying oven. 10. Wipe the surface anti-rust oil.