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Stop chasing failures: Scheduled maintenance that makes the difference

A structured maintenance approach helps reduce hidden costs, prevent unplanned downtime and improve long-term operational continuity.

In my role, I often see pump maintenance still managed according to a reactive logic: intervention only takes place once a failure occurs. It is an understandable approach, especially in highly dynamic operational environments, but over time it inevitably leads to recurring consequences: unplanned costs, organisational difficulties and, above all, service interruptions that could have been avoided.

In recent years, however, I have increasingly observed a clear shift in mindset: the transition towards scheduled maintenance, based on a more structured and proactive approach. This is not simply about “performing maintenance earlier”, but about introducing a method that enables plants and systems to be managed in a more predictable and sustainable way.

From reactive to proactive maintenance

In the traditional model, maintenance is often driven by urgency. A breakdown triggers a chain of events that includes plant downtime, unscheduled technical intervention and urgent spare parts sourcing. The result is a system that is difficult to control, both in terms of costs and operational continuity.

A proactive approach completely changes this logic. Maintenance activities are planned in advance, integrated into operational cycles and coordinated with the least critical periods for the plant. This makes it possible to turn an unexpected event into a managed activity, reducing the impact on operations and improving overall predictability.

Different levels of maintenance strategy

Not all maintenance strategies deliver the same impact. Corrective maintenance represents the most basic level: intervention takes place only after a failure occurs. While unavoidable in certain situations, it cannot be considered the foundation of an efficient maintenance strategy.

A significant step forward is preventive maintenance, which involves planned interventions at regular intervals. In my experience, this is often the most effective balance between management complexity and operational benefits.

Predictive maintenance is a more advanced approach, based on monitoring actual operating conditions. Although highly effective, it requires more structured investments and monitoring tools. For many applications, preventive maintenance still represents the most practical and immediately applicable solution.

Maintenance frequency and intervention logic

Defining maintenance frequency is never a completely standardised activity. It depends on several factors, including operating hours, application type, environmental conditions and plant age.

In general, more critical applications require a higher level of attention, with more frequent inspections and deeper checks. Standard or less continuous applications can instead follow longer maintenance intervals without compromising system reliability.

More important than the specific frequency itself is the consistency of the maintenance model: having a clear and repeatable logic across the entire installed base.

The value of operational standardisation

One of the aspects I consider most important is the standardisation of maintenance activities. Clear and shared checklists help reduce intervention variability and improve inspection quality.

Even simple activities such as visual inspections or vibration and temperature checks become significantly more effective when carried out systematically and compared over time.

Instrument-based inspections also provide objective information about machine condition, making it possible to identify early signs of degradation before they develop into failures.

Conclusion

Overall, scheduled maintenance represents a natural evolution in the management of pumping systems. It is not only a technical matter, but a strategic shift that directly affects reliability, costs and operational continuity.

In my day-to-day work, I clearly see how organisations adopting this approach are able to manage their systems more consistently, reducing unexpected events and increasing overall control of plant operations.

Jordi Domingo - AW Iberia Warranty & Aftermarket Manager