KSB SE & Co. KGaA Standardised Water Pump ETN 100-80-315

Ensure the pump is dismantled for grease changing

Are the operating conditions unfavourable? (e.g. high temperature, humidity, dust)

Remove the outer cover plate of each bearing with a suitable tool

Select the shaft unit and apply the correct grease quantity

Only half-fill the bearing cavities with grease

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.

Verify that the notes and steps from Section 7.4.1 to Section 7.4.4 have been observed/carried out

Ensure the back pull-out unit is placed in a clean and level assembly area

Undo hexagon nut 920.95 (right-hand thread)

Remove impeller 230 using an impeller removal tool

Place impeller 230 on a clean and level surface

Remove keys 940.01 and 940.09 from shaft 210, if applicable

Check if the clearances need to be checked

Remove the impeller if clearances need to be checked

Measure the clearance between impeller and casing

Enter the measured clearance value in mm

Note on pump sets with spacer-type couplings

Disconnect the motor from the power supply

Unbolt the motor from the baseplate

Shift the motor to separate it from the pump