The following trash pump do’s and don’ts will help assure safe and effective pump operation:


  • Consult the engine and pump manufacturer’s instructions before starting the unit.
  • Follow all safety, health and environmental rules and procedures.
  • Drain the pump and all hoses and piping during extended periods of non-usage or during freezing weather.
  • Follow the maintenance schedule as specified in the manual.
  • Operate your pump within its design limitations.


  • Don’t attempt suction lifts of more than 25 feet.
  • Don’t allow the impeller and wear-plate to wear excessively, creating a large gap.
  • Don’t operate the pump at excessive angles or inclinations.
  • Don’t run the engine faster or slower than the recommended operation range.
  • Don’t perform any service or repairs while the engine or the pump end is running or hot.

Guzu Machinery, a full-service manufacturer and provider of diesel driven trash pumps, water pump equipment. Please reach us at or +86 18603293463. For more information visit