Shutdown

WARNING

warning

Risk of burns from hot surfaces!

During operation, the motor housing can get hot. There is a risk of skin burns if the component is touched.

  1. Cool down the motor to ambient temperature after switching off.

To take the lifting unit out of service correctly, fully empty the two solids separation tanks. It is necessary to run two full pump cycles.

1

Shut-off valve for discharge pipe

2

Shut-off valve for solids separation tank

Overview of the shut-off valves
Overview of the shut-off valves
  1. Wait until the first pumping procedure starts, close the shut-off valve for the solids separation tank related to the running pump.
  2. Wait until the second pumping procedure starts, close the shut-off valve in the inlet pipe immediately as soon as the pump is running.
  3. Switch the switchgear to standby mode.
  4. Switch off the system at the main switch. CAUTION! Prevent the unit against being unexpectedly switched on.
  5. Close the shut-off valve at the discharge side.
  6. The lifting unit is ready for removal, maintenance and storage.
  1. The lifting unit is now decommissioned.

If the lifting unit is decommissioned for a longer time, do a functional check at regular intervals (quarterly). NOTICE! Do the functional check as described in the "Initial commissioning" section.