Bad Pump Shaft
Vertical turbine pumps need frequent alignments of their guide bearings. The result of not performing the proper alignment can be seen in the image above. In some cases when maintenance disassembles a pump the damage to the shaft is so substantial,  that the entire shaft needs to be replaced. This problem translates into more costly maintenance and longer downtimes. Adding bore alignment into the maintenance procedure will increase the life of the pump as well as a reducing the frequency of unscheduled maintenance.

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, by Carlos Bienes CRL