1.Of the fire water pipeline must not leak, high sealing, Water Leakage;
2.To prohibit the pump in the long run under the condition of cavitation;
3.The prohibition of the pump in the large current operating conditions, the motor is running over a long period of time;
4.Timing check pump motor current values in operation. As the pump in a 20 operating range operation;
5.Pumps in operation should be specially assigned to take care of, so as to avoid accident;
6.Pump after long-term operation. Due to mechanical wear, the unit edged sound and the vibration increases, should stop for inspection. "The necessary replacement of wearing parts and bearings, unit maintenance period is generally one year.
