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PRE-INSTALLATION If the pump is to be installed horizontally,e.g.in a tank,and there is a risk that the pump might be covered by mud,it must be installed in a flow sleeve. Liquid temperatures/cooling —_ t = Figure 2 shows an SQ/SOE pump installed in a well.With the pump operating, I = I Figure 2 illustrates the following: well • Well diameter. Diameter . Pump diameter. Pump Diameter . Temperature of pumped liquid. c, . Flow past the motor to the pump �? L'puid • suction strainer. temps ature Note:The well diameter must be at least 3 inches. If there is a risk that the motor will be covered r <� with sediment then it is recommended the pump + be placed in a Flow Sleeve.The motor should ti always be installed above the well screen. i I Motor Preparation — —' GRUNDFOS MS 3 and MSE 3 submersible motors have water-lubricated slide bearings.No additional lubrication is required. Figure 2 The submersible motors are factory-filled with a special GRUNDFOS motor liquid (type SML 2),which will protect the motor fluid down to-4°F(20°C)and to prevent the growth of bacteria.The level of motor fluid is important for the operating life of the bearings and Filling Plug consequently the life of the motor. Refilling of motor liquid FA. It is recommended to refill the motorwith GRUNOMS motor fluid SML 2. I 1.Remove the cable guard and separate the pump end from the motor. i 2. Place the motor in vertical position with an inclination of approximately.10°. 3. Remove the filling plug using a screwdriver or a similar tool. 4 4.Inject motor liquid into the motor with a filling syringe Figure 3 or similar tool,see Figure 3. 5. To allow possible air to escape,move the motor from side to side.And turn the shaft. 6.Replace the filling plug and make sure it is tight. 7.Assemble pump end and motor. 8.Install the cable guard. The pump is now ready for installation. 3