Posted on 05/27/2015

By Lora Mays, Product Marketing Manager

How much time does your team spend on preventive maintenance? It doesn't matter if it's 20 percent of their day or 100 percent of their time; if you aren’t managing your preventive maintenance within the 10 percent rule, it’s likely that your PM program isn’t doing what it should for your assets. 

The idea behind the 10 percent rule is that all preventive maintenance activities are completed within 10 percent of the due date in relation to the PM cadence.

When performed on a regular basis, preventive maintenance can help extend the life of your assets. It can improve the overall operation of equipment, helping to reduce reactive issues and unscheduled downtime that can be a drain on your resources.

To truly gain the benefits of preventive maintenance, it’s imperative that the team implements the 10 percent rule of preventive maintenance.

For instance, how long do you give your team to complete monthly PMs? A week, two weeks, the entire month? To adhere to the 10 percent rule, it must be completed within three days of the start date – either 1-1/2 days before or 1-1/2 days after:

In doing so, you can guarantee that your PMs are completed in a timely manner to optimize asset performance.

Let’s say you don’t have the 10 percent rule in place and you give your team 30 days to complete PMs and still remain in compliance - after all, they aren’t the highest priority with reactive requests that come in). With that in mind, the following occurs:

  • April: Busy month for the team, so PM completed on 4/28
  • May: Able to complete PMs at the beginning of the month – officially checked off on 5/3
  • June: Another busy month, so the PM isn’t completed until 6/20


Now, the issue is that between April and May, there are only five days between PMs. But, between May and June, there are nearly 50 days. Without being set on a regular schedule, a preventive maintenance program is simply ineffective.

If you leverage an automated asset management solution like 360Facility, you have the opportunity to set your service-level agreements, or SLAs, within the solution to easily track and set completion dates within the 10 percent rule. As a result, you can stay in compliance, extend the life of your assets and improve the overall operation of your equipment.

Learn five other strategies that will help you develop a world-class asset lifecycle management program in our free white paper

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