1. Before starting the high-pressure water pump, carefully check the cooling system, instruments, etc., check whether the three-position valve is in a backflow state, check it several times, and then crank it, and then open the exhaust valve at the outlet of the high-pressure pump, and check the Check the specific situation, and then close the exhaust valve tightly to ensure the normal operation of the high-pressure water pump before turning on the start button.

2. After the work stops, stop the pump, first open the decoking control valves to the backflow position. If the backflow indicator light is on, you can press the stop button. After stopping, wait until the temperature of the bearing drops before stopping the lubrication system. Work. Next close the inlet and outlet valves and close the master button.