KSB SE & Co. KGaA Submersible Motor Pump KRT K 40-252

Check the bail or eyebolt including fasteners (screws/bolts) for any visible damage

Replace any damaged components with original spare parts

Consult KSB Service for demanding conditions

Place a suitable container under screw plug 903.33

Ensure the pump set is in a horizontal position

Unscrew both screw plugs 903.34/903.35 with joint rings 411.34/411.35 at the coolant filler openings

Undo screw plug 903.33 with joint ring 411.33 and drain off the coolant

Check the appearance of the drained coolant

Wear safety clothing and a protective mask if required

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

Close the shut-off element on the suction side

Switch off the drive and ensure it cannot be re-started unintentionally

Close the shut-off element on the discharge side

Open the drain plug (auxiliary connection 6B)

Ensure the pump set is positioned on a level surface and secured against tipping over.

Verify that the pump set is de-energized and secured against unintentional start-up.

Remove screw plug 903.46 and joint ring 411.46.

Connect the pump set to the power supply.

Secure the pump set against tilting.

Fill in 2.1 oz [60 g] of grease via lubricating nipple 636.02.

Inspect the power cables for visible damage

Replace any damaged components with original spare parts

Measure the resistance between the ground conductor and chassis ground

Is the electrical resistance lower than 1 Ω?

Replace any damaged components with original spare parts

Defective ground conductor can cause electric shock. Never switch on a pump set with a defective ground conductor.