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SECTION
4-
OPERATION
WARNING
ELECTRIC
SHOCK
can
kill.
Always
wear
dry
insulating
gloves.
Insulate
yourself
from
work
and
ground.
Do
not
touch
live
electrical
parts.
Keep
all
panels
and
covers
securely
in
place
FUMES
AND
GASES
can
be
hazardous
to
your
health.
Keep
your
head
out
of
the
fumes.
VentilatEl
area,
or
use
breathing
device.
Read
Material
Safety
Data
Sheets
(MSDS5)
and
manufacturers
instructions
for
material
used.
WELDING
can
cause
fire
or
explosion.
Do
not
weld
near
flammable
material.
Watch
for
fire;
keep
extinguisher
nearby.
Do
not
locate
unit
over
combustible
surfaces.
Do
not
weld
on
closed
containers.
Allow
work
and
equipment
to
cool
before
handling.
Figure
4-3.
Work
Clamp
,~,
~
-
ARC
RAYS
can
burn
eyes
and
skin;
NOISE
can
damage
hearing.
Wear
welding
helmet
with
correct
shade
of
filter.
Wear
correct
eye,
ear,
and
body
protection.
,f
.
MOVING
PARTS
can
cause
injury.
Keep
away
from
moving
parts.
Keep
all
doors,
panels,
covers,
and
guards
closed
and
securely
in
place.
:~r~
.~
MAGNETIC
FIELDS
FROM
HIGH
CUR
RENTS
can
affect
pacemaker
operation.
Pacemaker
wearers
keep
away.
Wearers
should
consult
their
doctor
before
going
near
arc
welding,
gouging,
or
spot
welding
opera
tions.
See
Safety
Precautions
at
beginning
of
manual
for
ba
sic
welding
safety
information.
~wam61
10/91
4
~
iiii~
1
Range
Switch
2
Polarity
Switch
(Optional)
3
Voltmeter
(Optional)
4
Ammeter
(Optional)
5
6
7
8
9
10
7
Amperage
Adjustment
Control
Power
Push
Buttons
Switch
Pilot
Light
Output/Contactor
Switch
Amperage
Control
Switch
Arc
Control
Ref.
ST.155
048-A
Figure
4-1.
Controls
1
2 3
/
~
Wear
the
following
while
welding:
1
Dry,
Insulating
Gloves
2
Safety
Glasses
With
Side
Shields
Shade
Of
Filter
(See
ANSI
3
Welding
Helmet
With
Correct
Z49.1)
sb3.1
1/94
Figure
4-2.
Safety
Equipment
1
Tools
Needed:
1
Work
Clamp
Connect
work
clamp
to
a
clean,
paint-free
location
on
workpiece,
as
close
to
weld
area
as
possible.
Use
wire
brush
or
sandpaper
to
clean
metal
at
weld
joint
area.
Use
chipping
hammer
to
remove
slag
after
welding.
s~.1
2/93
~==~
OM-168
256
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