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Electrode
Figure
8-3.
Striking
An
Arc
Scratch
Start
Technique
Figure
8-4.
Striking
An
Arc
Tapping
Technique
~-
<~
Figure
8-5.
Positioning
Electrode
Holder
~-
2
Workpiece
3
Arc
2
Drag
electrode
across
workpiece
like
striking
a
match;
lift
electrode
slightly
after
touching
work.
If
arc
goes
out
electrode
was
lifted
to
high.
If
electrode
sticks
to
work-
piece,
use
a
quick
twist
to
free
it.
S-0049
Ii
2
1
Electrode
2
Workpiece
3 Arc
Bring
electrode
straight
down
to
workpiece;
then
lift
slightly
to
start
arc.
If
arc
goes
out,
electrode
was
lifted
too
high.
If
electrode
sticks
to
workpiece,
use
a
quick
twist
to
free
the
electrode.
S.0050
3
1O0~3O0
\
End
View
Of
Work
Angle
Side
View
Of
Electrode
Angle
GROOVE
WELDS
0
300
10~\~
End
View
Of
Work
Angle
Side
View
Of
Electrode
Angle
FILLET
WELDS
S-0660
OM-160
518
Page
22