Welding Checklist
Start up:
- ☐ Material cleaned and tungsten prepped
- ☐ Shielding gas turned on (turn main tank valve counter-clockwise to open)
- ☐ Regulator tank pressure (right gauge) and regulator output pressure (left gauge) is above zero - notify instructor when low
- ☐ Machine plugged into 20A source, turned on (switch in back)
- ☐ Fume exhaust turned on
- ☐ Ground clamp secured to worktable or work
- ☐ Proper attire, gloves, helmet adjusted
Shut down:
- ☐ Hot work in safe place while cooling
- ☐ Machine off
- ☐ Shielding gas off (turn main valve clockwise to close, leave regulator as is)
- ☐ Clean work area
- ☐ Fume exhaust off
- ☐ Sharpen tungsten for next person
- ☐ Clean electrode holder, install tungsten, coil cables, stow foot pedal
- ☐ Return in 20 minutes for fire safety check