Troubleshooting Spin Finish Gear Pump

Trouble         Probable Cause and Remedy
Pump will not turn
  • Drive malfunction: verify that drive powered. Assure all alarm circuits are clear. Check drive motor current and speed settings.
  • Process conditions changed: check process conditions for proper temperature, pressures, viscosities, and materials.
  • Entrained particle: disassemble and clean pump. Replace any damaged parts.
  • Possible internal damage: disassemble and clean pump. Replace any damaged parts.
Excessive seal leakage
  • Worn lip seal: replace lip seal.
  • Scored drive shaft: replace drive shaft if necessary.
Reduced pump efficiency
  • Worn gears: replace worn gears.
  • Worn bearings: replace worn bearings.
  • Process conditions changed: consult factory for gear clearance recommendations for new process conditions.