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[Liquid filter] Maintenance method 1. Clean and maintain it every 7-10 days. Before maintenance, ensure that the connected power supply is turned off. Maintenance personnel should wear protective clothing, protective masks and safety shoes and socks. 2. Close the inlet valve, open the outlet valve, drain the liquid remaining in the pump body, be sure to use a container to take over, and close the inlet and outlet valves after draining. 3. Take out the filter element, filter bag and other filter materials, immerse them in 10% hydrochloric acid or 30% dilute sulfuric acid, soak for 3-4 hours, then rinse them in clean water until there is no foam, take them out and dry them. 4. Use detergent to scrub the outside of the filter and pump. Stubborn dirt can be scrubbed with Tianna water. 5. A minimum circulation volume must be ensured: 4 times the tank liquid volume hr. Insufficient circulation may cause deposition at the bottom of the tank and on the surface of the workpiece. 6. It is necessary to ensure that there is no spray dead space at the bottom of the tank of the electroplating filter: falling off of the fiberglass lining of the tank may cause repeated deposition and dissolution of the plating solution. Tank wall corrosion. Electric leakage threatens personal safety. Maintenance of electroplating filter 7. Before using the electroplating filter, check whether the pressure gauge diaphragm is filled with clean water. Please fill it with water and then lock the pressure gauge. 8. Before starting the power supply, check whether the inlet and outlet pipelines are correctly selected. For example, if it is opened when it comes out, whether the pipeline circulation route is correct, whether the liquid in the liquid tank is normal, and whether there is any damage to the pipeline. Electroplating filter manufacturer