Glossary of Terms
Practical maintenance terms, CMMS language, reliability abbreviations, and plant maintenance definitions in one place.
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399 terms shown
Backlog Weeks
Backlog weeks estimates how many weeks of available maintenance labor are required to complete a defined backlog.
Bad Actor Asset
A bad actor asset is equipment that repeatedly creates disproportionate failure, downtime, maintenance cost, safety risk, or operational disruption.
Barcode Inventory Management
Barcode inventory management uses scannable labels to identify spare parts, bins, transactions, and storage locations accurately.
Bathtub Curve
The bathtub curve is a reliability model showing early-life failures, a relatively stable useful-life period, and increasing wear-out failures.
Bearing Failure
Bearing failure is the loss of a bearing's ability to support and guide rotating or moving components within required performance limits.
Bill of Materials
A bill of materials, or BOM, is the structured list of components, spare parts, quantities, and assemblies associated with an asset or equipment system.
Boiler Maintenance
Boiler maintenance is the inspection, testing, cleaning, servicing, and statutory control used to operate steam or hot-water boilers safely and efficiently.
Bottleneck Equipment
Bottleneck equipment is the machine, process, or resource that most limits the throughput of a production system.
Breakdown Frequency
Breakdown frequency is the number of functional breakdown events occurring during a defined time or operating exposure.
Breakdown Maintenance
Breakdown maintenance is repair work performed after an asset has failed and can no longer perform its required function.
Building Management System
A Building Management System, or BMS, monitors and controls building services such as HVAC, lighting, ventilation, alarms, and energy use.
Bypass Management
Bypass management controls temporary disabling or overriding of alarms, trips, interlocks, protective functions, or equipment safeguards.
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