Maintenance Mechanics are also involved in routine tasks, such as lubrication of machinery, seal replacement, cleaning of parts during repair, adjusting valves and seals, investigating breakdowns, removing, and replacing motors, starters, relays, limit switches, fuses, primary control components. • Specific vision abilities with this job require close vision (clear vision at 20 inches or less); and distance vision (clear vision at 20 feet or more); and peripheral vision (ability to observe an area that can be seen up and down or to the left and right while eyes are fixed on a given point); and depth perception (three dimensional vision, ability to judge distances); and ability to adjust focus; and ability to identify and distinguish colors 100% of time.