MULTIQUIP st3020bcul User Manual download pdf (Page 12)

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COMPONENTS

Figure 3. Submersible Pump Components

Figures 3 shows the location of the basic components, for

the ST3020B1/BCUL submersible pump. Listed below is

a brief explanation of each component.

1. AC Power Cable – This unit is supplied with a 50-ft.

(approximately 15 meters) AC power cable with a

NEMA L6-20P grounding-type plug. Always check

the cable for signs of wear.  use a defective

power cable.

2.  – Always carry the submersible pump

by its handle.  carry the pump by its power cord.

Carrying or lifting the pump by the power cord will cause

undue stress on the cord and can ultimately dislodge

the cord from the pump.

3.  – Connect a 3-inch hose to this port.

Remember to adequately support the discharge hose

to avoid stress on the pump.

4.    – This pump is

equipped with a thermal overload protection device

that will shut down the motor in the event of high

operating temperatures. The motor will automatically

restart once the temperature returns to an acceptable

operating temperature.

5. Mechanical Seal – The hydraulic oil in the pump cavity

is designed to provide cooling for the pump seal. This

allows the pump to run dry for a limited period of time.

6.  – Remove this plug to check

and add lubrication oil (ISO VG32 grade) to the oil

cavity. This oil protects the mechanical seal. Oil cavity

should be full enough to cover seal spring.

7. Strainer Base – This strainer base is made of electro-

coated steel which is resistant to hardware corrosion.

 pump large objects or debris with this pump.

This pump is for pumping water only. For dewatering

purposes, always place the strainer base on a platform.

8.  – Impellers are constructed of ductile

iron to minimize wear and prolong service life.

9. Electric Motor – These submersible pumps utilize a

60 Hz, single-phase, 230 VAC, 2 HP electric motor.

Consult with a licensed electrician before connecting

motor to a power source and control boxes. Observe

all city and local safety codes.

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MULTIQUIP st3020bcul User Manual Page 12

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