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maintenance package hierarchy (PM)

Plant Maintenance (PM)

A hierarchy that determines for strategy plans which maintenance packages are performed if several maintenance packages are due at the same time.

If the maintenance packages must be performed together at this time, they must have the same hierarchy number (= priority). If only certain maintenance packages must be performed at this time, then those packages must have a higher hierarchy number than the others. The system selects packages with the highest hierarchy number.

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