In January, routine measurements were carried out on an AUX Engine LO separator and its electric motor.
At first glance, the numbers were alarming:
🔧 RMS velocity peaked at 13.4 mm/s on the motor
🔧 Up to 33.3 mm/s on the separator
But raw values are only part of the story.
What truly matters in diagnostics is understanding the pattern behind the data.
During advanced analysis, our team identified a strong 1× rotational frequency and its harmonics in the FFT envelope spectrum — a classic signature often linked to friction clutch wear.
📊 Why does this matter?
In rotating machinery, early-stage faults rarely announce themselves with noise or failure. They appear subtly — as changes in vibration behavior, frequency patterns, and energy distribution.
👉 Catching these signals early allows action before damage escalates.
Based on these insights, we recommended inspection of the friction clutch.
✔️ The crew confirmed the issue — the clutch was damaged.
✔️ After replacement, follow-up measurements showed a clear drop in vibration levels.
✔️ A second verification confirmed further stabilization as the system returned to normal operation.
✅ Result: Failure avoided. Downtime prevented. Confidence restored.
This is exactly what condition monitoring should deliver — not just data, but actionable insight.
If you’re responsible for vessel reliability, ask yourself:
Are you just collecting data… or truly understanding it?