Crusher Operator Skills, 2020-5-18 · Performed preventative maintenance in Crusher Plant and on all equipment, Serviced and lubed equipment. Perform preventative maintenance checks in various departments throughout the plant. Perform routine/preventative maintenance on applicable equipment to maximize efficiency and minimize accidents to enhance longer life of equipment and tools.P&Q University Lesson 8, 2019-10-11 · SCREEN MAINTENANCE. Aside from all the proper adjustments and operating parameters required to gain the most in screening efficiency, the need for good preventative maintenance practices is a must for longer-lasting screens and reliable performance. Here are eight key components to a solid maintenance program. Establish an oil-sampling program..