Job Description:

• 1) Sets up and operates oxy-fuel-gas-welding machine to weld metal parts, according to work order, blueprints, layout, and operating charts: Clamps workpieces into holding fixture on machine bed, movable carriage, or turntable.

• 2) Positions and clamps or bolts welding torch onto overhead carriage, radial arm, or into stationary fixture at specified angle and distance from workpiece.

• 3) Turns cranks to align torch with weld line.

• 4) Selects torch tip, filler wire, and flux, according to charts or thickness and type of metal.

• 5) Fills hoppers with flux and positions spout over weld line.

• 6) Places reel of filler wire onto spindle and threads end through feed rolls to welding seam.

• 7) Connects hoses from torch to regulator valves and cylinders of oxygen and fuel gas.

• 8) Turns regulator valves to start flow of gases, lights torch, and adjusts gas mixture and pressure to obtain flame of desired size and color.

• 9) Turns knobs to synchronize movement of torch or workpiece, feed of flux and filler with welding action, and sets switch to stop machine at end of weld.

• 10) Starts machine, observes welding action, and examines weld for defects.

• 11) Adjusts machine setup to vary bead size and other weld characteristics.

• 12) May record setup and operating data.

• 13) May reweld defective joints, using handtorch.

• 14) May preheat workpiece in furnace.

• 15) May lay out, fit, and tack-weld workpieces together.

• 16) May operate machine equipped with two or more welding torches.

• 17) May remove surplus flux, slag, and splatter, using wirebrush, portable grinder, and hand scraper.