Noise
or Vibration in the Pump |
| Possible
Causes | |
What To Do
| |
|
Cavitation from poor suction conditions | | Check
that all valves are open, restrictions on the suction piping and clean the strainer
screen. |
|
|
Coupling misaligned | |
Align the coupling. |
|
| Coupling
or coupling guard loose | | Tighten
the coupling and its guard. |
|
|
Coupling rubber insert worn or damaged | |
Replace the rubber insert and check coupling alignment. |
|
|
Worn bearings | |
Replace if necessary–Lubricate
every three months. |
|
|
Defective or wrong size by-pass valve | |
Confirm the size of the by-pass valve required for your application. Inspect,
repair or replace the valve. |
|
|
Loose anchor bolts | |
Tighten all pump's anchor bolts. |
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