Title: Identify the cause of contact, tip burn-back, and failure of the wire to feed.
Course: Auto Body Technology I (21117-I) > Section: Practicing Metal Welding, Cutting, and Joining

Identification should include

- checking to make sure the welder is set for the correct settings for the material thickness
- inspecting and maintaining machine internals

- following equipment manufacturer guidelines and recommendations
- making necessary adjustments.

Process/Skill Questions:

- How is the proper thickness of metal determined?
- What type of shielding gas is recommended for the GMAW process?