include but are not limited to Observes mechanical devices in operation and listens to their sounds to locate causes of trouble. Dismantles devices to gain access to and remove defective parts. Examines form and texture of parts to detect imperfections. Inspects used parts to determine changes in dimensional requirements. Adjusts functional parts of devices and control in

include but are not limited to Uses tractor to move loaded or empty trailers to and from depending on location the port, rail yard, warehouse, and yard. Issues or obtains customer signature on receipt for pickup or delivery. Perform pre trip/post trip inspection of assigned vehicle and complete pre trip/post trip report; distribute as directed. Serves as a relief driver d