Suspect increasing vibration level on a wi-careTM installation Menu I-careTM Group Suspect increasing vibration level on a wi-careTM installation A predictive maintenance department at a chemical customer was alarmed by a sudden increase of overall vibration values on their Wi-careTM system, installed on a fan on their production units.Predictive Maintenance Chemicals 15 June 2018 The spectrum below is the spectrum at the moment the highest amplitudes was reachedThe high peak is at 8 orders or 380 Hz with an amplitude of 7.6 mm/sec What is the reason for this high 8 order? This is a fan with 8 blades. 8 orders is the blade pass frequency.This is also a fan that needs cleaning on a regular base. The cleaning is done in the weekend with water under pressure. During the cleaning procedure,

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