Some pump rebuilding tips to prevent future vibration problems 15-8

Installing a new key in a coupling

Rotating elements, that require setscrews positioned at different angles to each other (such as at 90 degrees), require the following procedure to be performed during installation or balancing:

Split case double suction pumps

Installing a centrifugal pump

Common sense dictates that any loose bolts or hardware is going to cause a problem with vibration, so be sure to check for the use of lock washers and all tightening torque specifications. Here are a couple of more things you can check while you are at it:

 

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