PREVENTIVE PREDICTIVE PROACTIVE RUN TO FAILURE REACTIVE N o doubt you have heard these terms, read articles and attended workshops and seminars to learn about these strategies. Using this information, you’ve discovered which ones will make your maintenance program more effective, reduce labor hours, reduce costs, increase equipment availability and ultimately improve production. Based on experience gained from being around maintenance shops for many years, visiting with people in a variety of industries and talking with maintenance professionals around the globe, the conclusion formed is: There is a right time and a right place for each of these strategies. Preventive Maintenance For years, maintenance professionals relied on preventive maintenance strategies to take action on a prescribed interval, such as days, hours, miles or tons hauled. On a predetermined interval, they took action to drain and fill oils or replace an engine, transmi...