The upper part of the submersible motor shaft is provided with a labyrinth sand protection device and a reverse skeleton oil seal to prevent sand flowing into the motor. The submersible motor uses water lubricated bearings, the lower part is equipped with rubber pressure regulating film and pressure regulating spring, which is composed of pressure regulating chamber to adjust the pressure change due to temperature; the motor winding adopts polyethylene insulation, nylon household sleeve water resistant electromagnetic wire, cable connection mode according to the cable joint process, and the connection head insulation is removed to scrape the paint layer, respectively. The welding is strong, and the rubber is wound with raw rubber. Then use waterproof adhesive tape to wrap 2-3 layer, wrap 2-3 layer of waterproof adhesive tape or glue on the outside to wrap a layer of rubber (bicycle tire) to prevent seepage.
The installation steps of the Submersible pump
1. acceptance of deep well submersible pump: users should check carefully when picking up the goods to the logistics company to see if there is any damage to the outer skin of the cable. The
Water Pump has no breakage.
2. loading and unloading: loading and unloading vehicles should be careful so as not to damage the concentricity of the unit or break the cable insulation skin.
3. sets of units before the next well inspection steps: A. dismantling filter, using a pry rod to move the shaft should be flexible, B
Electric Pump erect full water, connect the cable joint, soak the joint with a water basin, shake the ground resistance (single finger joint to water insulation resistance) value is not less than 500 Mega. C. puts the water pump in the right container for the pump's outlet and the powder water. At the same time, a little bit moves the motor start button to observe the pump's steering. The time should not exceed 2 seconds.
4. the steps of on-site assembly during the transportation of the water pump: before A. installation, the motor is vertically set up, open air hole and water injection hole, pay attention to the two water plugging open, fill the water and plug the
water plugging and water plugging tight, observe whether the motor has leakage, if there is leakage of water can not be well, the reason may be transport. In the process of collision, we should contact the agents or manufacturers in time to resolve the problem until no leakage occurs (observe 10~15 minutes). Then the insulation resistance of the motor is measured, and its value is not less than 50 Mega. B. wrap up the cable connector, wrap it up and try the steering of the motor. The direction of the motor is on the direction of the arrow marked on the pump.
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