Class Concept
Positions perform journey level work in the operation of machine tools to fabricate or repair a variety of metal parts to precise dimensions. Assignments are received from the Marine Mechanic Supervisor, who may offer guidance in the selection of methods and materials. Work is guided by plans, specifications, or worn part to be replaced, and is reviewed upon completion. Work involves fabrication propeller shafts, rudders, flanges, bushings, pins, sheaves, collars, bolts, and spacers from rough stock. Positions study specifications, diagrams, and sketches; and measures parts with rule, tape, caliper, inside and outside micrometers, or dial indicator to set up machine tool. Positions utilize machine tools, such as lathe, power press, mill, or cutter by adjusting chucks, spindles, and cutting tool arm. Positions may be required to fabricate parts to complete work as prescribed.