Performance includes the ability to place equipment in operation; perform minor repairs; select proper operating pressures, tips, and filler rods; and perform the following procedures:
- set up and use a manual oxyfuel cutting torch to braze carbon steel
- fusion weld carbon steel sheet metal without filler rod
- weld butt and lap joints on steel sheet metal and tubing with filler rod
- braze single and multi-pass joints on steel and cast iron.
Process/Skill Questions:
- What are the dangers of working with oxygen, and what precautions should be taken?
- What equipment must be changed when the fuel gas type is changed? Why?
- How is the proper cutting tip selected?
- What is the process for selecting a brazing rod?
- What is the difference between welding and brazing?