1. The installation of the pump set should be accurate and reliable, and there should be no obvious vibration during operation. If the pump pumping abnormal sound, or bearing hot (temperature is higher than 60 °C) and the pump shaft seal leakage more than 60 drops per minute, we must find out the reasons for timely troubleshooting. 2. Routinely screwed screws, such as packing gland screws, irrigation plugs, etc., apply appropriate wrenches, reasonable torque disassembly, do not screw with hand-clamps to prevent thread or nut slip; other screws can be Apply some lubricating oil or regularly wipe rust-proof with tarpaulin. If the drain screw is not commonly used, it will rust and die. Therefore, after buying a new pump, you should unscrew the drain plug and apply some oil and white lead oil on the thread. Change oil two or three times a year. 3. The oil-lubricated water pump should be replaced once a month with grease; lubricated with butter every six months. It should be noted that calcium-based greases for pumps and sodium-based greases for electric motors should not be used to make mistakes. Due to the hydrophilic nature of the sodium grease, water will emulsify into a foam to dissipate on the water pump, while the calcium-based grease is afraid of high temperature, used in the motor, easy to change after the temperature rises. 4. Can not pump too much water, so as to avoid premature wear of the impeller, mouth ring and shaft, but also to prevent water shortage operation. Water shortage operation will damage the water seal, and it is prone to leakage of the water pump or even no water. 5. Immediately after use, drain the water in the pump immediately after use. After the drainage and irrigation season is over, it is necessary to carefully clean and inspect the water pump. The damaged or deformed parts that cannot be used must be promptly repaired or replaced. The appropriate oil should be added to the lubricated parts. If the pump is not used for a long time, it should be packed and dried. save.
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