The rotor/stator pump operates, but output is low.

  • Tighten stator to achieve suitable pumping pressure.
  • Loosen stator to achieve suitable pumping pressure.
  • Tighten stator. 
  • If low output continues, replace stator.
  • Tighten stator. 
  • If low output continues, replace stator.
  • Clean or replace the material hose.
  • Clean or replace the applicator or tip.
  • Reduce hose length and/or increase diameter.