Glossary of Terms
Practical maintenance terms, CMMS language, reliability abbreviations, and plant maintenance definitions in one place.
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399 terms shown
Pre-Startup Safety Review
A Pre-Startup Safety Review confirms that equipment and process changes are complete, safe, documented, and ready before startup.
Precision Maintenance
Precision maintenance is the disciplined use of accurate installation, assembly, alignment, balance, torque, lubrication, cleanliness, and measurement standards.
Predictive Maintenance
Predictive maintenance uses condition data, trends, and analytical methods to estimate when equipment degradation may require maintenance.
Preventive Maintenance
Preventive maintenance is planned work performed at defined time, usage, or meter intervals to reduce the likelihood of equipment failure or deterioration.
Preventive Maintenance Compliance
Preventive maintenance compliance is the percentage of scheduled preventive maintenance tasks completed within the organization’s defined on-time window.
Preventive Maintenance Effectiveness
Preventive maintenance effectiveness measures whether PM tasks actually detect, prevent, or reduce the failures and risks they are intended to control.
Preventive Maintenance Frequency
Preventive maintenance frequency is the time, usage, condition, or event interval at which a maintenance task becomes due.
Preventive Maintenance Optimization
Preventive maintenance optimization is the structured review of PM tasks, intervals, and outcomes to remove ineffective work and strengthen failure prevention.
Preventive Maintenance Program
A preventive maintenance program is the controlled set of maintenance plans, tasks, frequencies, resources, standards, and review processes used to reduce avoidable failure.
Preventive Maintenance Software
Preventive maintenance software schedules recurring inspections, servicing, testing, calibration, and replacement work by time, meter, condition, or event.
Preventive Maintenance Task
A preventive maintenance task is a defined inspection, servicing, replacement, measurement, or test performed before functional failure.
Production Cycle Time
Production cycle time is the elapsed time required for a process, machine, or production line to complete one unit or one operating cycle.
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