How to adjust the parameters of unpowered pumping

How to debug the water pump: automatic water pump water pressure adjustment method: 1. Adjust the knob on the electronic pressure switch, so as to adjust the valve flow on the pipeline and achieve the effect of adjusting the outlet pressure; 2, adjust the mechanical pressure switch, open the pressure switch box, which shows the adjustment direction of pressure, and adjust it with a screwdriver. The automobile water pump has several channels for cooling water circulation in the cylinder of the automobile engine, which are connected with the radiator (commonly known as water tank) placed in the front of the automobile through water pipes to form a large water circulation system. The water pump is installed at the upper water outlet of the engine and driven by the fan belt to pump hot water out of the water channel of the engine cylinder and cold water in.