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EMF
INFORMATION
TABLE
OF
CONTENTS
SECTION
1
-
SAFETY
INFORMATION
SECTION
2-
SPECIFICATIONS
2-1.
Volt-Ampere
Curves
2-2.
Duty
Cycle
SECTION
4-
OPERATION
9
SECTION
6-
ELECTRICAL
DIAGRAMS
17
SECTION
7
TUNGSTEN
ELECTRODE
7-1.
Selecting
Tungsten
Electrode
7-2.
Preparing
Tungsten
SECTION
8-
PARTS
LIST
Figure
8-1.
Main
Assembly
Figure
8-2.
Panel,
Rear
w/Components
Figure
8-3.
Terminal
Assembly,
Pri
Figure
8-4.
Switch,
PB
Figure
8-5.
Rectifier,
SCR
Figure
8-6.
Panel,
Front
w/Components
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OM-168256-4/94
NOTE
~
Considerations
About
Welding
And
The
Effects
Of
Low
Frequency
Electric
And
Magnetic
Fields
The
following
is
a
quotation
from
the
General
Conclusions
Section
of
the
U.S.
Congress,
Offics
of
Technology
Assessment,
Biological
Effects
of
Power
Frequency
Electric
&
Magnetic
Fields
Background
Paper,
OTA-BP-E-53
(Washington,
DC:
U.S.
Government
Printing
Officl3,
May
1989):
~.
.
there
is
now
a
very
large
volume
of
scientific
findings
based
on
experiments
at
the
cellular
level
and
from
studi3s
with
animals
and
people
which
clearly
establish
that
low
frequency
magnetic
fields
can
interact
with,
and
produce
changes
in,
biological
systems.
While
most
of
this
work
is
of
very
high
quality,
the
results
are
complex.
Current
scientific
undeTstanding
does
not
yet
allow
us
to
interpret
the
evidence
in
a
single
coherent
framework.
Even
more
frustrating,
it
does
not
yet
allow
us
to
draw
definite
conclusior~s
about
questions
of
possible
risk
or
to
offer
clear
science-based
advice
on
strategies
to
minimize
or
avoid
potential
risks.
To
reduce
magnetic
fields
in
the
workplace,
use
the
following
procedures:
1.
Keep
cables
close
together
by
twisting
or
taping
them.
2.
Arrange
cables
to
one
side
and
away
from
the
operator.
3.
Do
not
coil
or
drape
cables
around
the
body.
4.
Keep
welding
power
source
and
cables
as
far
away
as
practical.
5.
Connect
work
clamp
to
workpiece
as
close
to
the
weld
as
possiblp.
About
Pacemakers:
The
above
procedures
are
among
those
also
normally
recommended
for
pacemaker
wearers.
Consult
your
doctor
for
complete
information.
SECTION
3-
INSTALLATION
3-1.
Selecting
A
Location
And
Moving
Welding
Power
Source
3-2.
Selecting
And
Preparing
Weld
Output
Cables
3-3.
Connecting
To
Weld
Output
Terminals
3-4.
Remote
14
Receptacle
Information
And
Connections
3-5.
Connecting
Input
Power
2
2
3
4
5
6
7
SECTION
5-
MAINTENANCE
&
TROUBLESHOOTING
5-1.
Routine
Maintenance
5-2.
Overload
Protection
5-3.
Troubleshooting
13
14
14
20
21