Fire pump motor heating is a common phenomenon, there are 4 main reasons:
1. The fire pump head too high, the pipe network resistance is too small, resulting in large flow pump operation, causing overload;
2. The theoretical value of fire pump shaft power does not match the actual shaft power, the motor is too small, resulting in motor overload;
3. The packing seal too tight, appropriately release gland bolts, and then run the pump;
4.The coupling center position is not found, resulting in fire pump motor shaft running different.
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