Harbor Freight Tools VULCAN PROTIG 200 Owner's Manual & Safety Instructions page 23

Stick Weld - coat of Slag Over Weld
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PARTIALLY CHIPPED AWAY TO SHOW WELD
Stick Weld - porosity
pOSSIBLE cAUSES ANd SOLUTIONS
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Stick Weld - crooked/Wavy Bead
pOSSIBLE cAUSES ANd SOLUTIONS
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Stick Weld - Excessive Spatter
pOSSIBLE cAUSES ANd SOLUTIONS
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Stick Weld - Burn-Through
pOSSIBLE cAUSES ANd SOLUTIONS
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Item 63619
- Small cavities or holes in the bead.
- Base material melts away, leaving a hole in the weld.
For technical questions, please call 1-888-380-0318.
Slag is a necessary part of a stick weld. It shields
the weld from impurities. clean off the slag with the
chipping Hammer and Wire Brush after welding.
1. dirty workpiece or fill material:
Clean workpiece down to bare metal.
Make certain that fill material and Electrode are
clean and free from oil, coatings, and other residues.
2. Inconsistent welding speed:
Maintain steady weld speed.
1. Inaccurate welding:
Use two hands or rest hand on steady surface.
2. Inconsistent welding speed:
Maintain steady weld speed.
Fine spatter is normal. Spatter that is
grainy and large is a problem.
dirty workpiece or fill material:
Clean workpiece down to bare metal.
Make certain that fill material and Electrode are
clean and free from oil, coatings, and other residues.
1. Workpiece overheating:
Reduce current.
2. Welding speed too slow:
Increase welding speed and ensure
that welding speed is kept steady.
3. Excessive material at weld:
Reduce amount of fill material.
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