KSB SE & Co. KGaA Standardised Water Pump ETN 125-100-400

WARNING — Back Pull-Out Unit Tipping Over. Risk of crushing hands and feet!

Suspend or support the bearing bracket at the pump end

Suspend or support bearing bracket 330 to prevent it from tipping over, if required

Unbolt support foot 183 from the baseplate

Undo hexagon nut 920.01 at the volute casing

Remove the back pull-out unit from its seat in the volute casing using forcing screws

Pull the back pull-out unit completely out of the volute casing

Remove and dispose of joint ring 400.10

Place the back pull-out unit on a clean and level surface

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

Verify 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.

Use connection 6B to drain the fluid handled

Flush the pump if it has been used for handling hazardous fluids

Flush and clean the pump before transporting it to the workshop

Provide a cleaning record for the pump

Collect and properly dispose of flushing fluid and any residues of the fluid handled

Wear safety clothing and a protective mask, if required

Observe all legal regulations on the disposal of fluids posing a health hazard

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

Is the old grease removed and the bearings rinsed thoroughly?

Select the shaft unit and apply the correct grease quantity

Check applicability of steps 1 and 2 for spacer-type coupling

Shift the motor to connect it to the pump via the coupling

Fasten the motor to the baseplate

Connect the motor to the power supply