Retrofit of a screw pump drive in sewage treatment plant Kleinsteinbach

To ensure the future availability of a screw pump in the interim lift system and minimize maintenance costs, the operator of the sewage treatment plant decided to get SEW-EURODRIVE to perform a preventive diagnostic check of the plant’s drive technology.

Kleinsteinbach sewage treatment plant

Sewage treatment plant technology

Location: Kleinsteinbach/Germany

Industry: Sewage treatment plant technology

Application: Screw pump drive


The inspection involved using a flexible video-endoscope to assess the condition of the gearing components and bearings in the installed gear unit without dismantling any of the drive technology.

The diagnostic report prompted the operator to replace the existing gear unit (manufactured by a third-party) with a three-stage X series helical gear unit. The industrial gear unit from SEW-EURODRIVE was supplied as part of a complete package including an energy-efficient motor, motor adapter with torsionally flexible claw coupling and a pin coupling for attaching it to the worm shaft.

Helical gear unit

Retrofit – servicing a screw pump drive

  • Three-stage X series helical gear unit
  • Energy-efficient motor with adapter with torsionally flexible jaw-type coupling
  • Pin coupling for attachment to the worm shaft

Retrofit is an offer within our Life Cycle Services.

  • System downtime prevented
  • Failure identified without disassembling the drive technology
  • System availability increased
  • Maintenance costs reduced
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