Mechanical Application

Another thermal image taken randomly as the thermographer waited for the electrician to open MCC doors. This star chip blower system was identified as a potential problem after verification that both blowers were under similar load. The temperature difference between the 2 bearings was approximately 30 degrees celcius, enough to raise concern, especially since this bearing was replaced only 3 months prior to this inspection.

The temperatures identified in this thermogram exceed 150 degrees celcius, quite a surprise after the 30 degree rise from the front view on the previous page. Following his disbelief that a newly installed bearing could fail so quickly the maintenance supervisor promptly investigated the equipment for himself. ACMT now completes a mechanical infrared inspection of all critical equipment during every scheduled electrical inspection. This is time well spent and value which far exceeds the additional costs related to a few extra hours spent on the mechanical equipment.

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