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Many maintenance teams spend most of their time reacting to problems. A machine breaks down, a repair request comes in, and the team rushes to fix it. It is called reactive maintenance, which is also known as run-to-fail. While this approach keeps operations moving, it often leads to higher costs, unexpected downtime, and unnecessary stress.
Preventive maintenance
(PM) offers a better approach. Instead of waiting for equipment to fail, teams
schedule inspections and servicing ahead of time. This helps extend asset life,
improve reliability, and reduce emergency repairs. Research shows that reactive
maintenance can cost 3 to 4
times more than a
planned preventive approach.
The Business Case
for PM
- ROI: On average, preventive maintenance offers an ROI of 10:1.
- Energy Efficiency: Well-maintained HVAC and motor systems
can reduce energy consumption by 5% to 11%.
- Asset Life: Routine servicing can extend the usable
life of heavy machinery by 20% to 50%.
If you're ready to
start, follow these six industry-standard steps to build your program.
1. Start By Identifying Critical Assets
You cannot maintain
what you don't track. Start by conducting a comprehensive Asset Audit.
Every organization
relies on assets that keep operations running, like HVAC systems, production
equipment, vehicles, electrical systems, pumps, or building infrastructure. Use
the 80/20 Rule: 80% of your downtime usually comes from 20% of your
equipment.
Create a list of your
most important assets and focus on the ones that would cause the biggest
disruption if they failed. For each asset, record basic information such as:
- Asset name and location
- Manufacturer and model
- Installation date
- Current condition
This asset inventory
forms the foundation of your preventive maintenance program.
2. Leverage OEM Recommendations
Most equipment comes
with manufacturer maintenance guidelines. The Original Equipment
Manufacturer (OEM) manuals contain specific intervals for servicing that
protect your warranties and ensure safety compliance.
It provides valuable
starting points for building maintenance schedules. Typical guidelines may
include:
- Oil or filter changes after a certain
number of hours
- Routine inspections every few months
- Component replacements after a specific
cycle count
Pro Tip: While OEM guidelines are a great starting
point, they are often conservative. As you gather data, you can transition to Condition-Based
Maintenance (CBM) to optimize these intervals.
3. Define Maintenance Tasks (SOPs) Clearly
Once assets are
identified, the next step is to define what maintenance tasks need to be
performed. Vague instructions lead to inconsistent results. Every PM task
should have a Standard Operating Procedure (SOP) so any technician can
perform the job correctly.
Each preventive
maintenance task should be simple and clearly documented. For example:
- Inspect belts and replace if worn
- Clean air filters
- Lubricate moving parts
- Check electrical connections
Clear instructions
help technicians’ complete tasks consistently and reduce the chance of
mistakes.
4. Establish A Realistic Schedule
Preventive maintenance
only works when tasks are performed consistently. This means setting practical
schedules based on usage, time intervals, or meter readings.
You should categorize
your schedules into three primary triggers:
- Time-Based: (e.g., Every 30 days) Best for building
infrastructure.
- Usage-Based: (e.g., Every 500 flight hours or 3,000
miles) Best for vehicles and motors.
- Condition-Based: Triggered by specific data, such as a
vibration sensor exceeding a certain threshold.
5. Formalize Accountability and Roles
A PM program fails if everyone
is responsible, because that usually means no one is.
- Assign Owners: Link specific assets to specific
technicians.
- KPI Tracking: Monitor the PM Compliance Rate (the
percentage of scheduled PM tasks completed on time). Aim for a world-class
benchmark of 90% or higher.
6. Use CMMS Software To Stay Organized
As preventive
maintenance programs grow, managing schedules manually becomes difficult.
Maintainly CMMS is designed just to tackle this. It empowers your team to:
- Automate Scheduling: Set it and forget it as the system
triggers work orders automatically.
- Mobile Access: Technicians can update task status and
upload photos directly from the floor.
- Historical Analytics: Track Mean Time Between Failures (MTBF)
to see if your PM intervals are actually working.
- Inventory Integration: Ensure the right parts are in stock
before the PM date arrives.
Final thoughts
Preventive maintenance
programs should evolve based on real data. As your data grows within a CMMS,
you'll eventually be able to move toward Predictive Maintenance, using
automation to catch failures before they even show physical signs.
For example, data may
show that certain components fail more often than expected, or that maintenance
intervals could be adjusted.
Over time, preventive
maintenance helps reduce downtime, control repair costs, and extend the life of
critical equipment. With the support of CMMS software, maintenance teams can
stay organized and ensure nothing falls through the cracks. Try Maintainly CMMSfor free!




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