What is Preventive Maintenance (PM)?


Preventive maintenance (sometimes referred to as preventative maintenance) is defined as regular planned maintenance of equipment in order to prevent unnecessary downtime due to equipment failure. This process may include tasks like equipment inspections, lubrication tasks, ad hoc adjustments / repairs, and replacement of parts all tracked within a computerized maintenance management system (CMMS). 


A type of proactive maintenance, this strategy is beneficial in helping organizations migrate from run-to-failure / reactive maintenance methods to next-level strategies like condition-based maintenance and predictive maintenance. 


What are the benefits?


Properly implemented PM programs offer many operational benefits. Here are a few key ones to consider:


  • Reduction in unplanned downtime leading to increased productivity

  • Reduced maintenance costs

  • Fewer operational interruptions due to unplanned equipment failure resulting in greater profitability

  • Increased safety leading to improved compliance with regulatory boards (e.g. OSHA, MSHA, etc.)


By investing in the right preventative maintenance (PM) strategies money is saved on avoidable repairs that would end up being much more costly. 


Are there different types of Preventive Maintenance?


The following are four common preventive maintenance types:


  1. Time-based / Calendar-based Maintenance

  2. Usage-based Maintenance

  3. Predictive Maintenance (PdM)

  4. Prescriptive Maintenance


Understanding the different types of PM programs and what they do is critical to choosing the one(s) that best fit your maintenance needs. 




Minimize unplanned equipment downtime. Achieve improved operational efficiencies. Get started today with maintenance software that best fits your needs.

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