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