Submersible pump maintenance common sense

The use of submersible pumps in the process, we must pay attention to maintaining good submersible pump, any machine is the same, long-term use will make the machine aging, and maintenance work can make the machine slows down the aging, allowing the machine to work longer time.
Submersible pumps should be how to maintain it?
First, use a suitable lubricant. Different types of submersible pumps are suitable for use with different lubricants. In the purchase of submersible pumps, it is best to buy the necessary supporting the use of lubricants. And the lubricating oil is preferably selected to be low-viscosity water-insoluble.
Second, the regular inspection of submersible pumps, if found to have faults, it should be promptly dealt with. But if not in the line, do not disassemble yourself, otherwise it is easy to damage to the original parts are not bad. Should look for experienced professionals to repair.
Finally, if the submersible pump is not used for a long time, it should be pumped away from the water, but also emptying the pump water, especially in the winter to do more to pay attention to these tasks. But also in the key parts of the machine coated with butter, bearing lubricating oil on the machine to avoid rust and affect the future use.