| Trouble |
Probable Cause and Remedy |
|
|
-
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.
- Excessive inlet pressure: reduce
inlet pressure.
|
|
|
- Worn gear(s): replace worn gear(s).
- Process conditions changed:
consult factory for gear clearance recommendations for new process
conditions.
|
