Chicago Electric 62719 Owner's Manual & Safety Instructions page 21

Coat of Slag Over Weld
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PARTIALLY CHIPPED AWAY TO SHOW WELD
Slag is a necessary part of a flux-
core wire weld. It shields the weld from
impurities. Clean off the slag with the Chipping
Hammer and Wire Brush after welding.
Porosity
Small cavities or holes in the bead.
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POSSIBLE CAUSES AND SOLUTIONS
1. Dirty workpiece or welding wire:
Clean workpiece down to bare metal.
Make certain that wire is clean and free
from oil, coatings, and other residues.
2. Inconsistent welding speed:
Maintain steady weld speed.
3. Stickout too long:
Reduce stickout.
Crooked/Wavy Bead
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POSSIBLE CAUSES AND SOLUTIONS
1. Inaccurate welding:
Use two hands or rest hand on steady surface.
2. Inconsistent welding speed:
Maintain steady weld speed.
3. Stickout too long:
Reduce stickout.
Item 62719 For technical questions, please call 1-888-866-5797.
Excessive Spatter
Fine spatter is normal.
Spatter that is grainy and large is a problem.
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POSSIBLE CAUSES AND SOLUTIONS
1. Dirty workpiece or welding wire:
Clean workpiece down to bare metal.
Make certain that wire is clean and free
from oil, coatings, and other residues.
2. Wire feeding too fast:
Reduce wire feed speed.
3. Stickout too long:
Reduce stickout.
Burn-Through
Base material melts away,
leaving a hole in the weld.
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POSSIBLE CAUSES AND SOLUTIONS
1. Workpiece overheating:
Reduce current and/or wire feed speed.
2. Welding speed too slow:
Increase welding speed and ensure
that welding speed is kept steady.
3. Excessive material at weld:
Reduce wire feed speed.
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