In recent years, the number of submersible pumps used in rural areas has increased. In order to reduce accidents in use, we must effectively strengthen the usual maintenance. First, always check the seals on the submersible pump of various seals, such as fuel screw, rubber seals, oil-immersed pump seal boxes, etc., before each use, we must conduct a check and found that the loose to Tighten in time, the seal is not strong to promptly replace the new pieces to ensure the safety of use. Second, the regular replacement of oil immersion pump working 500 hours, it is necessary to replace the oil in a sealed room. Motor oil in the motor chamber should be replaced once a year, the change should be a clean oil No. 5 or No. 10 oil. For wet pumps, each operation 2000 hours, need to be replaced lithium grease. Third, to prevent rust When the submersible pump is not used, it should be wiped clean, ventilated and dry place. If the surface of pump damage paint stripping, rust should be promptly removed, anti-rust paint, to be protected. Fourth, do a comprehensive maintenance Submersible pumps generally use every two years, it is necessary to conduct a comprehensive conservation of the worn parts and poor sealing performance of the parts, can be repaired, can not be repaired to replace all, can not be forced to use, To avoid serious consequences.
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