This is the fifth lesson in the Centrifugal Pump Repair Course. This lesson demonstrates how to inspect a typical end-suction pump. The procedures for measuring and inspecting pump parts, and the steps for checking impeller clearance are described.

Module Objectives

  • Inspect the components of a centrifugal pump.
  • Measure the bearing seat on the shaft of a centrifugal pump.
  • Measure shaft runout.
  • Recognize evidence of cavitation on an impeller.
  • Explain the importance noting measurements in a maintenance log.


This course is designed for all levels of maintenance personnel as well as for the multicraft training needs of process and manufacturing facilities. Participants should be familiar with the basic operation of centrifugal pumps. This course consists of six modules covering excessive leakage, temperature, loss of capacity, disassembly, inspection, and reassembly.


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