In any problem analysis, we have to specify problem, check whether there is any deviation from normal condition, identify possible causes, evaluate possible causes and then confirm true cause.
Pumps or other machinery will give tell tale signs when they are not working properly. An observant pump user will be able to avoid major breakdowns or damage if problem is corrected early.
In order to solve any pump problem, we need to notice symptoms carefully so as to determine most likely causes. Instruments like pressure gauges are very helpful and should be installed in pumping system.
Very often we do have to rely on our 5 senses to pinpoint exact symptom. Normally, pump problems can be classified into Suction Related, System Related, or Mechanical Related. It can also be a combination of these.
Most of system related problems occur because of design flaw. For example, designer may have chosen wrong pump whose characteristic does not match system requirement. Suction related problems are usually caused by air lock that are due to a variety of reasons...
The effects of mechanical related problems could manifest themselves as suction related problems - air leaks in system, worn out impellers, and mouth rings - but most common symptom is presence of vibration and abnormal noise in equipment.
DiagnoPump, pump troubleshooter has been created for pump users and sellers to help them find solution quickly. Arranged so that easiest (and often overlooked) causes are examined first, it could be a very useful tool.
If you are a beginner, you can start troubleshooting from very first steps. More experienced users may want to start from later stages in symptom list. The symptoms have been identified to make it easy to zero in on correct ones. The symptoms have been arranged as: