Reason for low speed of pump

1. Human factors:

There is a considerable part of the user damage because of original motor, free with the other a motor driven resulting in a flow of small, low lift and pumping Sheung Shui consequences.

2. Transmission belt wear:

There are many large off pump with a pass, due to long-term use, transmission belt wear and loose, there is a phenomenon of slipping, thus reducing the speed of the pump.

3. Improper installation:

Pulley center distance is not too small or two axes parallel to, the belt tight side installation of the above, resulting in the wrap angle is too small, and the diameter of the belt wheel are calculation errors and the pump shaft coupling drive axis eccentricity of the two large, are caused by variation of the pump speed.

4. Mechanical failure of the pump itself:

Impeller and pump shaft fastening nut loose or pump shaft deformation and bending, resulting in multi impeller, direct friction with the pump body, or bearing damage, it is possible to reduce the pump speed.

5. Engine maintenance improper:

Motor due to the winding burn, and loss of magnetism, maintenance of the winding turns, wire diameter, wiring method changes, or the failure of the maintenance of the fault is not completely eliminated factors will make the pump speed change.

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