--- title: "Preventive Maintenance: Doing the Right Work at the Right Time" description: Discover the key differences between managing and leading in supervisory roles and their impact on team success. image: https://blog.nexusglobal.com/hubfs/Featured%20Images/Day-12-feat-image.png --- [Skip to the main content.](https://blog.nexusglobal.com/quarantined-day-12-supervision-leadership#main-content) [![Nexus Logo PNG White](https://blog.nexusglobal.com/hs-fs/hubfs/Nexus%20Logo%20PNG%20White.png?width=1600&height=645&name=Nexus%20Logo%20PNG%20White.png "Nexus Logo PNG White")](https://www.nexusglobal.com) [![Nexus Logo PNG Black](https://blog.nexusglobal.com/hs-fs/hubfs/Nexus%20Logo%20PNG%20Black.png?width=1600&height=645&name=Nexus%20Logo%20PNG%20Black.png "Nexus Logo PNG Black")](https://www.nexusglobal.com) - [Software](https://www.nexusglobal.com/software) - Business Optimizer - Data Optimizer - Strategy Optimizer - Planning Optimizer - Investigation Optimizer - Software Integrations - 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Day 12 - Supervision & Leadership](https://blog.nexusglobal.com/hs-fs/hubfs/Featured%20Images/Day-12-feat-image.png?width=1408&height=833&name=Day-12-feat-image.png) Preventive Maintenance: Doing the Right Work at the Right Time 5:07 For many organizations, this means shifting away from a reactive approach—where equipment receives attention only after something goes wrong—and toward a proactive maintenance strategy that identifies and manages potential failures before they disrupt operations. ## What Is Preventive Maintenance? Preventive maintenance is planned maintenance performed to reduce the likelihood or consequences of equipment failure. Activities may include inspections, lubrication, adjustments, cleaning, testing, calibration, and component replacement. Effective preventive maintenance goes beyond putting recurring tasks on a calendar. Maintenance teams need to understand how an asset can fail, the consequences of those failures, and which activities can effectively reduce the associated risk. ## Preventive vs. Reactive Maintenance Reactive maintenance occurs after an equipment problem or failure has already happened. While run-to-failure can be appropriate for certain low-risk assets, relying too heavily on reactive maintenance can lead to: - Unplanned downtime - Emergency maintenance - Expedited parts costs - Schedule disruptions - Increased safety risks - Higher maintenance costs Preventive maintenance gives organizations an opportunity to identify and address potential problems before they become operational failures. Instead of asking, **“How quickly can we repair this?”**, teams can begin asking, **“How can we prevent or mitigate this failure?”** ## More Preventive Maintenance Is Not Always Better One common misconception is that more PM automatically creates greater reliability. Over time, organizations often accumulate maintenance tasks. A failure occurs, so another inspection is added. An OEM recommendation becomes a recurring task. Older activities remain in the system because “we've always done it that way.” Eventually, technicians may spend valuable time completing activities that contribute little to reliability. The objective should not be to maximize preventive maintenance. It should be to **optimize it**. ## What Is Preventive Maintenance Optimization? Preventive Maintenance Optimization (PMO) evaluates existing maintenance tasks to determine whether they effectively manage asset risk and failure. PMO can identify: - Unnecessary or duplicate tasks - Incorrect maintenance frequencies - Missing failure-mode coverage - Tasks that need clearer instructions - Opportunities for condition-based maintenance - Assets where run-to-failure may be appropriate The result is a maintenance program focused on **value-added work**. Learn more about why PM programs require ongoing optimization in [The Silent Failure of Planned Maintenance Optimization](https://blog.nexusglobal.com/the-silent-failure-of-planned-maintenance-optimization). ## Use Risk to Prioritize Maintenance Not every asset requires the same maintenance strategy. Organizations should consider asset criticality and the consequences of failure, including safety, environmental impact, production loss, quality, repair costs, and equipment redundancy. A low-risk asset may be suitable for run-to-failure, while a mission-critical asset may require preventive, predictive, or condition-based maintenance. This risk-based approach helps maintenance teams direct limited resources toward the equipment and failure modes that matter most. ## Preventive Maintenance Supports Better Planning Identifying problems before equipment fails also gives maintenance teams more time to prepare. Planners can define the scope of work, identify labor and skills, secure parts and materials, coordinate equipment availability, and schedule the work at the appropriate time. This is a major advantage of proactive maintenance: **the organization gains greater control over when and how maintenance is performed.** Explore how effective [Work Management](https://www.nexusglobal.com/apmsolutions/work-management) supports the planning and execution of maintenance activities. ## Preventive Maintenance Is a Living Strategy PM programs should not remain unchanged indefinitely. Assets age, operating conditions change, new failure information becomes available, and technology improves. Maintenance strategies need to evolve with those changes. Organizations should regularly ask: - Are our PM tasks finding potential failures? - Are repeat failures decreasing? - Is emergency work declining? - Are we performing unnecessary maintenance? - Are our maintenance frequencies still appropriate? Sustaining preventive maintenance requires continuous review, ownership, and optimization. ## Build a More Proactive Maintenance Strategy The goal of preventive maintenance is not simply completing more PM work. It is improving reliability and managing asset risk. Organizations that understand how their assets fail, prioritize maintenance based on criticality, and continuously optimize their PM strategies can reduce unnecessary work while improving equipment performance. The result is a maintenance program that is not only proactive—but purposeful. Watch **“Quarantined – Day 11 – Preventive Maintenance”** to learn more about building a proactive approach to asset reliability. ### What is preventive maintenance? Preventive maintenance is planned maintenance performed before equipment failure to reduce the likelihood or consequences of failure. Activities can include inspections, lubrication, testing, adjustments, and component replacement.  ### What is the difference between preventive and reactive maintenance? Preventive maintenance addresses equipment risks before failure, while reactive maintenance occurs after a problem or failure has happened. Preventive maintenance gives teams more time to plan labor, materials, and corrective work.  ### What is Preventive Maintenance Optimization? Preventive Maintenance Optimization (PMO) is the structured review of existing maintenance tasks to ensure they effectively address asset failure modes and risks. PMO can eliminate unnecessary work, improve maintenance frequencies, and identify opportunities for more effective maintenance strategies. Learn more about [Planned Maintenance Optimization as a Service](https://www.nexusglobal.com/pmoaas). ### How does preventive maintenance improve equipment reliability? Preventive maintenance improves reliability by helping organizations identify and address potential equipment problems before they become failures. When PM activities are aligned with actual failure modes and asset risks, maintenance teams can reduce unplanned downtime and improve equipment performance.  - [Tweet](https://twitter.com/share) [![The Power of Preventive Maintenance in Asset Management](https://blog.nexusglobal.com/hubfs/Featured%20Images/Day-11-feat-image.png)](https://blog.nexusglobal.com/quarantined-day-11-preventative-maintenance) #### [The Power of Preventive Maintenance in Asset Management](https://blog.nexusglobal.com/quarantined-day-11-preventative-maintenance) [![Picture of Nexus Global](https://blog.nexusglobal.com/hs-fs/hubfs/nexus-global.jpg?width=30&name=nexus-global.jpg) Nexus Global](https://blog.nexusglobal.com/author/nexus-global) Reactive Maintenance costs 3-4x more than Preventive Maintenance. Maintaining assets and determining downtime using proactive strategies is essential. [PM](https://blog.nexusglobal.com/tag/pm) [MAINTENANCE](https://blog.nexusglobal.com/tag/maintenance) [PROACTIVE MAINTENANCE](https://blog.nexusglobal.com/tag/proactive-maintenance) [STRATEGY MANAGEMENT](https://blog.nexusglobal.com/tag/strategy-management) [RELIABILITY](https://blog.nexusglobal.com/tag/reliability) [MAINTENANCE STRATEGY](https://blog.nexusglobal.com/tag/maintenance-strategy) [Read More](https://blog.nexusglobal.com/quarantined-day-11-preventative-maintenance) [![Maintenance Strategy Optimization for a Polymer Currency Printing Company](https://blog.nexusglobal.com/hubfs/Case%20Study%20CTAs/CCL%20Image%201408x833.png)](https://blog.nexusglobal.com/reduced-downtime-by-40-with-cdm/pmo-strategy-reboot) #### [Maintenance Strategy Optimization for a Polymer Currency Printing Company](https://blog.nexusglobal.com/reduced-downtime-by-40-with-cdm/pmo-strategy-reboot) [![Picture of Doug Robey | CMRP, CRL](https://app.hubspot.com/settings/avatar/956dd448a701e49e9f8bd4c5381c0b29) Doug Robey | CMRP, CRL](https://blog.nexusglobal.com/author/doug-robey-cmrp-crl) Case Study: How an improved PM Optimization (PMO) Strategy on a critical asset increased efficiency, cut costs, and reduced downtime by 40% in 90... [STRATEGY MANAGEMENT](https://blog.nexusglobal.com/tag/strategy-management) [CASE STUDY](https://blog.nexusglobal.com/tag/case-study) [MANUFACTURING](https://blog.nexusglobal.com/tag/manufacturing) [ASSET PERFORMANCE MANAGEMENT (APM)](https://blog.nexusglobal.com/tag/asset-performance-management-apm) [PMO](https://blog.nexusglobal.com/tag/pmo) [RELIABILITY](https://blog.nexusglobal.com/tag/reliability) [MAINTENANCE STRATEGY](https://blog.nexusglobal.com/tag/maintenance-strategy) [Read More](https://blog.nexusglobal.com/reduced-downtime-by-40-with-cdm/pmo-strategy-reboot) [![Optimizing Maintenance Strategy for a Longwall Shearer in Coal Mining](https://blog.nexusglobal.com/hubfs/Case%20Study%20CTAs/Case%20Study%20CTAs6.jpg)](https://blog.nexusglobal.com/how-a-global-mining-company-delivered-optimized-maintenance-strategy-on-time-and-within-budget) #### [Optimizing Maintenance Strategy for a Longwall Shearer in Coal Mining](https://blog.nexusglobal.com/how-a-global-mining-company-delivered-optimized-maintenance-strategy-on-time-and-within-budget) [![Picture of Doug Robey | CMRP, CRL](https://app.hubspot.com/settings/avatar/956dd448a701e49e9f8bd4c5381c0b29) Doug Robey | CMRP, CRL](https://blog.nexusglobal.com/author/doug-robey-cmrp-crl) Discover how a major coal producer optimized their maintenance strategy for a new mining system within five weeks, ensuring efficiency and... [STRATEGY MANAGEMENT](https://blog.nexusglobal.com/tag/strategy-management) [CASE STUDY](https://blog.nexusglobal.com/tag/case-study) [SOFTWARE](https://blog.nexusglobal.com/tag/software) [METALS & MINING](https://blog.nexusglobal.com/tag/metals-mining) [ASSET PERFORMANCE MANAGEMENT (APM)](https://blog.nexusglobal.com/tag/asset-performance-management-apm) [PMO](https://blog.nexusglobal.com/tag/pmo) [STRATEGY OPTIMIZER](https://blog.nexusglobal.com/tag/strategy-optimizer) [RELIABILITY](https://blog.nexusglobal.com/tag/reliability) [MAINTENANCE STRATEGY](https://blog.nexusglobal.com/tag/maintenance-strategy) [Read More](https://blog.nexusglobal.com/how-a-global-mining-company-delivered-optimized-maintenance-strategy-on-time-and-within-budget) Nexus Global Business Solutions, Inc. Nexus Global Business Solutions, Inc. 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