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Case 76: Simple troubleshooting analysis tips are useful

12.01.2013  |  Sofronas, T.,  Consulting Engineer, Houston, Texas

Keywords: [pump] [maintenance] [seals] [shaft]

Analyzing failed parts or poor operation requires the proper skills and equipment. Sometimes these investigations are not always very difficult. Often, troubleshooting a failure just requires a logical approach and applying some common sense.

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mecheri belkhadem

when we have a hot pump , we prefer to line up the pump with the hot product and after 3 hours we make the alignment.it gives good results : no vibration.
if we start straight by cold alignment , we need to have the details of the vertical and horizontal deports.until now , I know some GE compressors still have serious vibration problems because of using a rigid coupling with gas turbine .

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