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WARNING
ELECTRIC
SHOCK
can
kill.
Do
not
touch
live
electrical
parts.
Do
not
touch
weld
output
terminals
when
contactor
is
energized.
Do
not
touch
electrode
and
work
clamp
at
the
same
time
Figure
4-4.
Output/Contactor
Control
Switch
Figure
4-5.
Arc
Control
swarn7.1
10/91
Weld
output
terminals
are
energized
when
switch
is
On
and
Power
is
On.
1
Output/Contactor
Switch
Use
switch
to
select
way
of
control
ling
unit
output.
OUTPUT
\~J?~
(CONTACTOR)
~14~N
For
weld
output,
place
switch
in
On
position.
For
remote
output
control,
place
switch
in
Remote
14
position
(see
Section
3-4).
Ref.
ST-168
257
1
Arc
Force
Control
(Dig)
This
control
is
used
for
SMAW
welding
and
is
used
to
help
start
an
arc
or
make
vertical
or
overhead
welds
(control
increases
amper
age
at
low
arc
voltage).
When
set
at
0,
short-circuit
amper
age
at
low
arc
voltage
is
the
same
as
normal
welding
amperage.
When
set
at
100,
short-circuit
am
perage
at
low
arc
voltage
in
creases
to
help
arc
starting.
Select
setting
best
suited
for
appli
cation.
Numbers
around
control
are
for
reference
only.
Set
control
at
0
for
GTAW
welding.
OM-168
256
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