Varied duties may involve connection, adjustment and replacement of hydraulic controls, pumps, rams, solenoids, valves, gauges, piping, hoses and other system elements; the installation and connection of air vacuum tanks, hoses, tubing and other system components; the mounting, hookup and connection of engines, gear boxes, axles and other power components and units. Incumbent will normally specialize and be fully proficient in one specific area and may be assigned to other final assembly functions as directed by supervisor.