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Startup & Operations

Pump Checklist:

  • Check all oil levels - including engine, seal oil reservoir and compressor.
  • Ensure the pump is on level ground and as close to the water source as possible.
  • Check all belts.  They should be taut and all guards should be in place.
  • DO NOT Run pumps in series unless your system has been properly designed hydraulically.
  • It is the pump operator’s responsibility to know how to operate pump with flooded suction conditions.
  • DO NOT allow the compressor to become flooded. This can destroy both the compressor and engine.
  • Isolate the priming system to protect the compressor and prevent spillage.
  • Cold weather pump operators should consult our cold weather pump operation guide.

Maintain Optimal Conditions:

  • Ensure that the liquid is compatible with all materials in the pump system including the pump and all pipe, valves, screens and fittings.
  • Suction and discharge piping should be kept as short as possible with the minimum number of bends to reduce friction losses. Sharp bends should be eliminated.
  • Use pipe diameters larger than the pump connection sizes.
  • Support suction and discharge hoses to avoid pressure on the pump end.
  • Protect hoses from abrasive surfaces.
  • Never use collapsible/layflat hose on the suction side of the pump.
  • Always use a suction strainer with openings smaller than the solids handling abilities of the pump.
    Ensure pump is powered OFF before checking for obstructions. The impeller should turn freely in the correct direction or rotation.


  • Slowly fill the system with fluid.
  • Once started, the compressor will run at the correct speed to prime the pump. Engine speed should be set to meet the requirements of the job at hand. However, running the diesel at idle for extended periods is not recommended.