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PREDICTIVE MAINTENANCE: Infrared Technology and Inspection

Predictive Maintenance (PdM) techniques help determine the condition of in-service equipment in order to predict when maintenance should be performed. This approach offers cost savings over routine or time-based "preventive maintenance" where tasks are performed only when warranted or scheduled.

PdM or condition based maintenance attempts to evaluate the condition of equipment by performing periodic or continuous (on-line) equipment monitoring. The ultimate goal of PdM is to perform maintenance at a scheduled point in time when the maintenance activity is most cost effective and before the equipment loses optimum performance. This is in contrast to time and/or operation count based maintenance where a piece of equipment gets maintained whether it needs it or not. Time based maintenance can be labor intensive. It can also be ineffective in identifying problems that develop between scheduled inspections. In the majority of cases it is not cost effective.

The "predictive" component of the term Predictive Maintenance stems from the goal of predicting the future trend of the equipment (or facility) condition. This approach uses principles of statistical process control to determine at what point in the future maintenance activities (if any) will be appropriate.

Most predictive maintenance inspections are performed while equipment is in service, thereby minimizing disruption of normal system operations. Adoption of PdM in the maintenance of equipment can result in substantial cost savings and higher system reliability.

To evaluate equipment and/or facility conditions, predictive maintenance generally utilizes non-destructive testing technologies. Infrared analysis and inspection has the widest range of application from high to low speed equipment and it can be effective for spotting both mechanical and electrical failures. This non-evasive, non-destructive technology offers convenient and practical evalutions that make it the most cost effective technology for Predictive Maintenance.

Infrared/thermal inspections include the widest range of evaluations which include not only mechancial and electrical reviews, but extend to structural and contruction integrity, steam utilities, roof evaluations, building envelope, plus evaluated energy savings and conservation, to name a few.

Infrared Inspection Technologies LLC. PO Box 1623 Mentor, OH 44060. USA Tel. (440) 255-4355. Serving Ohio and Western Pennsylvania. IIT offers state-of-the-art thermal inspection services within the greater Cleveland-Akron area, including: Akron, Youngstown, Erie, Lorain, Mansfield, Canton, Toledo and Cleveland. We offer professional infrared and thermal inspections for residential, commercial, manufacturing and industrial buildings. © 2005-2009 & Continuing, All Rights Reserved.