Using Corrective Maintenance Work Plans to Improve Plant Reliability

Posted June 2007

Preventive maintenance is generally considered to include both condition-monitoring and life-extending tasks which are scheduled at regular intervals. Some tasks, such as temperature and vibration measurements, must be done while the equipment is operating and others, such as internal cleaning, must be done while the equipment is shut down.

There is another, often overlooked, type of preventive maintenance inspection which can not be scheduled at regular intervals. These inspections can and should be done in conjunction with corrective maintenance. Corrective maintenance is defined as maintenance work which involves the repair or replacement of components which have failed or broken down. For failure modes which lend themselves to condition monitoring, corrective maintenance should be the result of a regular inspection which identifies the failure in time for corrective maintenance to be planned and scheduled, then performed during a routine plant outage. Continue reading →

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