In maintenance, preventive maintenance is intended for maintenance of equipment or facilities by performing repair and overhaul to ensure their proper functioning and reliability. Preventative maintenance is performed on equipment in working order, as opposed to repairing or corrective maintenance in working places those who stopped working or damaged. The first objective of maintenance is to avoid or mitigate the consequences of equipment failures, managing to prevent incidents before they occur. Preventive maintenance tasks include actions such as changing worn parts, lubricants and oil changes, etc. Preventive maintenance should avoid equipment failures before they occur. Some of the most common methods to determine which preventive maintenance processes should be carried out are the recommendations of manufacturers, current legislation, expert recommendations and actions carried out on similar assets.