Submersible pumps should be made to the necessary maintenance, to extend its useful life and to ensure the normal use of busy: This article Keywords Search: More Pumps Technical Articles Motor Bearings Product Information
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1, Change the lubricating oil: open the oil seal holes in the sealing chamber and the motor, release all the lubricating oil in the sealed chamber and the motor, replace the new oil, and ensure the normal operation of the lubricating system.
2, check wearing parts: submersible pump impeller, buckle, sleeve, bearing seat, etc. are wearing parts. First of all the pump should be removed, check the wearing parts are intact. Do not use damaged or unqualified parts.
3, the demolition of the pump casing rust: spring before use, should be disassembled the pump casing, turn the impeller and then start to prevent rusting parts can not start normally and burn the motor. This maintenance is especially important for water filled motors.
4, dry the motor: 500 megaohmmeters to measure the submersible pump winding and the insulation resistance of the shell, if the resistance is less than 0.5 megohms, you should get rid of the motor moisture. Drying methods are: external drying method, current drying method and the combination of both at the same time dry. External drying method is the use of external heat source for processing, commonly used measures are: ⑴ hot air: the use of electric heater blower (small submersible pump available hair dryer) hot air blowing to achieve the purpose of drying; ⑵ bulb baking: Closed box, the use of several 200-watt light bulbs for baking. Note that the baking temperature can not be too high, should be controlled below 125 ℃; ⑶ current drying: According to the submersible pump impedance and power supply size of the motor windings in series or in parallel, and then access a variable resistor, adjust the current About 60% of the rated current value, power and dry.
5, to ensure that the sealing: agricultural submersible pumps on the sealing requirements are very strict, when the replacement of sealed room lubricants, if you find the oil cloudy and high moisture content, you must replace or replace the entire seal box or seal ring to ensure that its seal Good performance.
6, check the bearings: check the motor part of the upper and lower bearings, if found to wear or clearance is too large, must be promptly replaced with new bearings, non-use of "sick". Check the method is as follows: If the motor is running, resulting in "carbazole" sound, and the cycle and speed is proportional to, and feel trouble by rotating the rotor, the bearing raceway is a bit astringent or avulsion phenomenon; If the bearing intermittent The "哽 哽" sound, turning the rotor by hand when there is an indefinite dead, the ball is generally broken, the inner ring broken ball or broken. In the event of the above situation, the bearing must be replaced to avoid any further damage.
7, to ensure bearing lubrication: water-filled submersible pump should check the replacement of the upper and lower end of the bearing housing skeleton oil seal and lithium-based grease. To ensure long-term bearing lubrication in good condition.
Our company has product development, mould manufacturing, testing, product manufacturing and other departments. We have a professional team to ensure product quality. We provide quality and high performance products for clients. Our company aims to establish good and stable trade relationships with clients. Our products are exported to Southeast Asia, the Middle East and other countries and regions. We have deeply won consumer's trust.
Our main products are food mixers, blenders, electric fans, electric irons, plastic accessories and hardware.
Our company has consistently adhered to the concept of "outstanding quality, affordable price, excellent service". We hope to strengthen economic cooperation with friends from all over the world and create a bright future together.