Automatic car washing machine foam repair If the foam of the automatic car washing machine is not ideal, then the vertical brush system is likely to fail. The reasons are mainly as follows. 1. The air pressure of the automatic car washing machine is too small or too large, you can try to adjust the air pressure device.Tunnel Car Washing Machine 2. Foam solvent density may be abnormal, you can adjust the ratio of detergent. 3. If the foam pipe leaks, the inspection should clearly check whether it is firm and loose. 4. The spinning machine of the automatic car washing machine stops running. Check and clean the nozzle to see if there is blockage and replace damaged spinning. The nozzle Angle is properly adjusted. 5. If the pump has abnormal sound, it may inhale air. This year, check the water tank level immediately, clean the filter element, prevent clogging, change the oil, and prevent funny deterioration. 6. The pressure of the high pressure host is too low, the valve pressure sho…