Welds metal parts with gas welding equipment as specified by layout, welding diagram, or work order by performing the following duties listed in responsibilities.
Positions parts in jigs or fixtures on bench or floor, or clamps parts together along layout marks.
Selects torch, torch tip, filler rod and flux, according to welding chart specifications or type and thickness of metal.
Connects regulator valves and hoses to oxygen and fuel gas cylinders, and welding torch.
Turns regulator valves to activate flow of gases, lights torch and adjusts gas mixture and pressure, to obtain desired flame.
Holds torch at proper angle to metal and guides along weld joint, applying filler rod to molten area to form weld.
Examines weld for bead size and other specifications.
Repairs broken or cracked metal objects, fills holes, and builds up metal parts.
Applies flux to workpiece instead of filler rod.
Preheats workpiece in furnace or with torch.
Lays out, positions, and tack welds workpieces.
Welds along vertical or overhead weld lines.
Scarfs or grooves weld prior to applying filler metal.
Chips or grinds off excess weld, slag, or spatter.
Cleans or degreases parts.
Other duties as assigned
Must pass onsite weld test 2G, 3G, and 4G.