Proposta de plano de manutenção centrada na confiabilidade de sistemas de AVAC monitorados pela IEM, SA

Abstract

In this work, the central problem is the reliability of the air conditioning system used intensively in EDM's substations. In the current context, the use of this equipment, on the one hand, is indispensable due to workers' comfort and safety requirements, and on the other, represents an element for the image and profitability of the company IEM, SA. Due to the negative impact that possible performance problems represent, affecting relations with users, the Reliability Centered Maintenance perspective was adopted to evaluate existing maintenance practices and indicate new procedures and changes in maintenance activities, based on field research and technical discussions with the maintenance team and the original equipment manufacturers. The work used typical quality management tools, such as FMEA and Pareto analysis, and drew on references from the literature on Maintenance Management to describe and systematically analyze the equipment in its functional context. Failure modes, the occurrence of failures and their consequences were investigated and the dynamic behavior of certain components was analyzed. The FMEA methodology used is analysed in the course of the work and then applied to the air conditioning process. The results represent a deeper and more organized understanding of the equipment, a more complete and critical collective view of the work processes of the research organization and the expectation of improved performance of the equipment and the maintenance team in the short term. (TRADUÇAO NOSSA)