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How to Use Practical Root Cause Problem Elimination (RCPE) During Corrective Maintenance

In this plant example the mechanics are scheduled to do Corrective Maintenance based on the Planned work orders that day. The work order states: Replace bearings on a press roll due to high vibration level. Work is completed as expected and the bearings and the seals where replaced according to the plan. The machine was started up and is now producing paper again.
Here are pictures of the bearings:

Bearing 1

Bearing 2

Bearing 3

Bearing 4

What do you see here? Let's say you don't have a lot of experience with bearings in this application. We know that this area is frequently washed down to remove pulp. Here are some clues:

  • Corrosion due to water in the oil
  • Correct seals for the application
  • Correct seal material - what chemicals are used for cleaning
  • Bearing fit on the shaft
  • Mounting procedure for bearings

You have now identified some possible causes so it is time to verify what caused the failure. Lets' check them off one at a time. Every corrective work order is a RCPE on a smaller scale. Of course if this is a major problem this should trigger a formal RCPE.

Learn more about IDCON’s RCPE process

Tip Provided by: IDCON

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