KSB SE & Co. KGaA Standardised Water Pump ETN 150-125-315

Use suitable transport devices, lifting equipment and lifting tackle to move heavy assemblies or components.

Reassemble the pump in accordance with the general rules of sound engineering practice.

Reassemble the pump according to the general assembly drawing or exploded view.

Check O-rings for any damage and replace if required.

Use new gaskets with the same thickness as the old ones.

Gland Follower and Casing Cover Removal

Undo nuts 920.02 at the gland follower and loosen gland follower 452

Undo nuts 920.15 (if any) at casing cover 161

Select casing cover variant and perform removal

Remove gland follower 452 from casing cover 161 and remove the packing

Remove packing rings 461 and lantern ring 458, if any

Inspect the flexible elements of the coupling for wear

Is there any sign of wear on the coupling elements?

Replace relevant parts if there is any sign of wear

Check the alignment of the coupling

Check the coupling guard for deformation

Inspect plastic components for deformation

Ensure sufficient distance of guards from rotating parts

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.

Preparation for Pump Set Removal

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.

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.

For variants with a clamped casing cover, perform the following actions:

For variants with a bolted casing cover, perform the following actions:

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