| 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. Consult factory.
|
| Excessive seal assembly leakage | - Worn seal face(s): replace seals.
- Improperly positioned seal or faces: check seal and faces for proper position.
|
| Reduced pump efficiency | - Excessive outlet pressure: reduce outlet pressure.
- Worn gear(s): replace worn gear(s).
- Process conditions changed: consult factory for gear clearance recommendations for new process conditions.
|
