Glossary category
Maintenance strategy & planning
Approaches for planning and carrying out maintenance and repairs. All 30 terms are available as direct static HTML links.
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Preventive maintenance
Planned maintenance performed at fixed time, runtime, or usage intervals before a failure occurs.
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Predictive maintenance
A data-driven approach that forecasts when an asset is likely to need maintenance or experience a failure.
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Condition-based maintenance
Maintenance triggered by the measured or observed condition of an asset.
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Total Productive Maintenance (TPM)
A comprehensive improvement approach in which production and maintenance jointly reduce equipment losses.
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Autonomous maintenance
A TPM pillar in which trained operators take ownership of basic equipment care tasks on their own machines.
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Calibration
Comparing a measuring instrument's reading against a known reference and adjusting or documenting the deviation.
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Commissioning
The structured process of verifying and handing over a new or modified asset into safe, intended operation for the first time.
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Corrective maintenance
Maintenance work carried out to fix a fault that inspection or monitoring has already identified, whether planned or unplanned.
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Decommissioning
The structured, safe process of permanently taking an asset out of operation at the end of its useful life.
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Inspection
A structured check of an asset's condition against a defined standard, to detect deterioration before it causes failure.
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Inspection route
A defined, repeatable sequence of inspection points across a facility, organized for a technician to walk and check on a schedule.
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Lubrication management
The organizational program that selects, schedules, and tracks the right lubricants for each asset, distinct from the physical delivery hardware.
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Maintenance
The overall discipline of keeping physical assets in a condition where they perform their intended function reliably and safely.
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Maintenance backlog
The set of approved maintenance work that has not yet been completed, representing the demand still waiting for execution.
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Maintenance interval optimization
Adjusting how often a specific recurring maintenance task is performed, based on evidence rather than the original default schedule.
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Maintenance optimization
The ongoing effort to improve the overall effectiveness and efficiency of a maintenance program, across strategies, resources, and cost.
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Maintenance planning
Preparing the scope, steps, resources, and parts a maintenance job needs before it is scheduled.
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Maintenance scheduling
Assigning a specific time and the personnel who will carry out an already-planned maintenance job.
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Maintenance strategy
The deliberate choice of which maintenance approach (preventive, predictive, condition-based, corrective, or run-to-failure) applies to a given asset.
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Maintenance window
A defined period of time made available for maintenance work, often when an asset or line can be safely taken offline.
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Operator care
The specific set of basic cleaning, inspection, and adjustment tasks operators perform on their own equipment.
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Planned maintenance
Maintenance work that has been prepared with a defined scope and resources before it is carried out, as opposed to unplanned reactive work.
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Reactive maintenance
Maintenance work started only after a problem has occurred or been reported, without a planned inspection finding it first.
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Reliability-Centered Maintenance
A structured method that derives the right maintenance approach for an asset from its functions, failure modes, and the consequences of each failure.
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Risk-Based Maintenance
A prioritization method that allocates maintenance effort according to a calculated risk score: probability of failure times its consequence.
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Run-to-failure
A deliberate strategy of performing no preventive or condition-based intervention on a chosen asset until it actually fails.
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Scheduled maintenance
Maintenance work that has been committed to a specific date and time on the maintenance calendar.
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Service interval
The defined time or usage span between two occurrences of the same recurring maintenance task.
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Shutdown maintenance
Maintenance work bundled into a period when an asset or line is deliberately stopped, so normally inaccessible work can be done safely.
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Turnaround maintenance
A large-scale, infrequent, heavily bundled maintenance revision event, typically plant-wide, distinct from a routine shutdown.
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