 The motorman inspects equipment such as pumps, turbines, distilling plants, and condensers, and prepares record of condition.The motorman lubricates and maintains machinery and equipment such as generators, steering systems, lifeboats, and sewage disposal systems, and also cleans and restores tools and equipment.In the United States Merchant Marine, in order to be occupied as a QMED a person has to have a Merchant Mariner Credential issued by the United States Coast Guard with a QMED certification.