Ifthe pump has any minor faults, it must not be allowed to work. 2. ifthe pump in the process of using a strong vibration, we must tentatively work,check what caused the cause. Otherwise it will cause damage to the pump. 3. Theinterface between the pump and the pipe must be sealed, because if there is anydebris, it will damage the inside of the pump. 4. afterthe use of the pump must pay attention to maintenance. such as when the pump isused up after the water in the pump should be removed, and to remove the waterpipe and then rinse with water. 5. Thetape on the pump should also be removed, then rinse with water and dry in alight place. Do not put the tape in a dark, damp place. The tape of the pumpmust not be stained with oil, and do not stick some sticky material on thetape.   E-mail: diffulaustralia@qq.com Tel: +86 15067446433 Wechat: LD15067446433 WhatsApp: +86 15869127991 /+86 15067446433 /