| 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.
|
|
|
- Worn lip seal: replace lip seal.
- Scored drive shaft: replace drive
shaft if necessary.
|
|
|
- Worn gears: replace worn gears.
- Worn bearings: replace worn
bearings.
- Process conditions changed:
consult factory for gear clearance recommendations for new process
conditions.
|
