What is the definition of preventive maintenance? Preventive maintenance is a set of practice procedures and processes that are implemented within a given organization or system to ensure that all systems and components are operating to their peak performance. Preventive maintenance can be done on a regular basis and can include inspections, replacements, lubrication, and repairs. The purpose of preventive maintenance is to reduce the likelihood of system or component failure by anticipating and addressing potential problems before they can cause any damage. This type of maintenance is designed to extend the life of the system or component, increase its efficiency and reduce the costs associated with corrective maintenance. Preventive maintenance can also improve the reliability and safety of the system or component, as well as reduce the amount of time and resources needed for routine maintenance activities. In most cases, preventive maintenance is conducted on a regular basis and can take the form of scheduled maintenance, proactive maintenance, or condition-based maintenance. By implementing a preventive maintenance program, organizations and systems can reduce the risk of