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 and
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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