Material Imbalance

  • Clean the gun. See your gun manual.
  • Increase fluid supply to proportioning pump:
    • Use 2:1 or greater supply pump
    • Use minimum 3/4 in. (19 mm) ID supply hose, as short as practical
  • Fluid is too thick. Consult your material supplier for the recommended fluid temperature to maintain a viscosity of 250-1500 centipoise
  • Clean inlet strainer screen.
  • Worn pump inlet valve ball/seat or gasket. Replace pump.
  • Remove return line and determine if flow is present while in SPRAY mode.