The following flow chart generally describes the preventative maintenance approach for steam turbines. Key steps are
1. Inspection
2. Assessment
3. Repair/Replacement
Inspection is the first step. The repair or replacement of damaged parts is required in order to keep high reliability (i.e. High Availability). Furthermore, rehabilitation may be required for aging power plants. The following chart shows the example of the inspection and rehabilitation/repair schedule in the plant life.
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