How to set the impeller clearances on an API 610 VS4 vertical sump pump

April 9, 2018

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Set the correct impeller clearance on an API 610 VS4 vertical sump pump before commissioning or operating the pump.

Required tools:

  • Mole grips
  • Spanner – M10
  • Philips screwdriver
  • Allen key – 4mm
  • DTI gauge
  • C-Spanner