Choosing the maintenance approach affects your costs and your systems' reliability.
The comparison
| Aspect | Proactive | Corrective |
|---|---|---|
| Timing | Before the breakdown | After the breakdown |
| The total cost | Fewer | Highest |
| Service downtime | None or little | Expected |
| Best for | Vital systems | Non-critical equipment |
The Ideal 80/20 Ratio
80% proactive + 20% corrective. A corrective ratio higher than 30% is an indicator of a planning problem.
Conclusion
Proactive maintenance is an investment that saves long-term costs.