If there is no water after use and the machine is stopped, the gun and pipe will have water and pressure. Only at this time can you fire the gun and drain the water from the gun and pipe, so there is no pressure.
1. First, check if the nozzle is worn. If it is worn, please replace the nozzle;
2. Check if the filter is clogged, clean and replace the filter;
3. Remove the nozzle of the component cleaning machine, start the machine, and check if the water sprayed by the spray gun is normal. If the water is normal, install the nozzle again and check if the machine has pressure. If there is still no pressure, it indicates that the pressure regulating valve is damaged or the seal of the high-pressure pump is damaged.
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