Welding Machine Operator how-to

How to Change a MIG Contact Tip

Worn tips cause bad welds.

Updated By the Career Education Institute Curriculum Team
Quick answer

Worn tips cause bad welds. In short: stop; lock; remove, then complete the remaining steps below.

Step by step

  1. Stop the robot.

  2. Lock out.

  3. Remove the nozzle.

  4. Replace the tip.

  5. Clean the nozzle.

  6. Test.

Safety reminders for welding machine operators

  • Stay outside robot cells
  • Wear welding PPE
  • Use fume extraction
  • Lock out before entering cells

Robotic welding · Spot welding · Teach pendant · Contact tip · Wire feed speed · Tip dressing: see the full welding machine operator glossary.

More welding machine operator how-to guides

Learn this in Welding Machine Operator trainingTake the practice test
Enroll in trainingTake fit quiz