Harbor Freight Tools VULCAN PROTIG 200 Owner's Manual & Safety Instructions page 21

Stick Weld diagnosis - Workpiece Heat control / Weld penetration
INAdEQUATE pENETRATION
Not hot enough
How to increase workpiece heat
and increase penetration:
(to weld THIcKER workpieces properly)
a. Increase current. b. Weld more slowly.
Stick Weld Example diagrams
Stick welds will have a coat of slag over them until cleaned.
good current
Weld Too Low
TO cORREcT:
Increase the
current
Item 63619
pROpER pENETRATION
Ideal heat
cLEAN WELdS FIRST!
current Weld Speed
Too High Too Fast
TO cORREcT: TO cORREcT:
Decrease Weld slower
the current
For technical questions, please call 1-888-380-0318.
EXcESS pENETRATION OR
BURN-THROUgH
How to reduce workpiece heat
and limit penetration:
(to weld THINNER workpieces properly)
a. Decrease current. b. Weld more quickly.
Arc Length
Weld Speed
Too Short
Too Slow
TO cORREcT: TO cORREcT:
Weld faster Increase
distance
Too hot
Arc Length
Too Long
TO cORREcT:
Decrease
distance
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