KSB SE & Co. KGaA Standardised Water Pump ETN 100-80-400

Check correct seating of axial seal rings mounted on the shaft

Is there only gentle contact of the sealing lip?

Ensure no excessive temperatures caused by mechanical contact

Pump runs quietly and free from vibrations

Is the oil level correct for oil lubrication?

Shaft seal is in good condition

Static seals are free from leakage

Rolling element bearings are free from running noises

Are auxiliary connections functioning correctly?

Start the stand-by pump to ensure readiness for operation

Ensure only qualified personnel perform work on the pump set.

Allow the pump set to cool down to ambient temperature.

Use suitable transport devices and lifting equipment for heavy components.

Properly shut down the pump set.

Close the shut-off elements in suction and discharge line.

Drain the pump and release the pump pressure.

Close any auxiliary connections.

Record the differential pressure across the filter

Is the differential pressure within acceptable limits?

Shut down the pump before cleaning the filter

Record the differential pressure across the filter after cleaning

Ensure notes and steps from Section 7.4.1 to Section 7.4.5 have been observed/carried out.

Verify that the back pull-out unit is placed in a clean and level assembly area.

Remove the rotating assembly of the mechanical seal (primary ring) from shaft sleeve 523.

Undo nuts 920.15 at casing cover 161, if present.

Remove the stationary assembly of the mechanical seal (mating ring) from casing cover 161.

Pull shaft sleeve 523 off shaft 210.