Title: Set up gas welding and cutting equipment, adhering to all safety requirements, industry recommended practices, and instructor guidelines.
Course: Agricultural Fabrication and Emerging Technologies (18404) > Section: Performing Oxy-fuel Welding and Cutting

Setup should include

- storing, handling, and installing high-pressure gas cylinders
- demonstrating how to assemble regulators, hoses, and torches
- performing a leak test
- setting line pressure in the correct order
- demonstrating how to light, adjust, and extinguish the flame
- recognizing the various types of flames (e.g., oxidizing, carburizing, neutral)
- demonstrating how to shut down the oxy-fuel gas welding unit and bleed the lines in the correct order
- demonstrating how to disassemble the oxy-fuel gas-welding unit.

Process/Skill Questions:

- Why do fuel and oxygen hoses have different types of threads?
- What safety precautions should be followed when assembling gas welding and cutting equipment to the cylinders?
- What is the procedure for performing a leak test on welding and cutting equipment?
- How do you determine the tip size for performing a welding operation?
- What is the procedure for determining and setting line pressures?
- At what PSI does acetylene become unstable?
- In what order should gauges and line pressures be adjusted?
- What is the procedure for cleaning the welding tip?
- What are the steps for shutting down line pressures and disengaging the gauges?
- What could happen if the wrong type of regulator is used when performing gas welding and cutting operations?