AUTO ARC 120 - SECTION 7 - WELDING METHODS & TROUBLESHOOTING; WELDING SAFETY GUIDELINES; FCAW AND GMAW WELDING TECHNIQUES

SECTION
7
WELDING
METHODS
&
TROUBLESHOOTING
mod4.1
9/92
P
~
~
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.
O
,~
~
MOVING
PARTS
can cause
injury.

Keep
away
from
pinch
points
such
as
drive
rolls.

Keep
all
doors,
panels, covers,
and
guards
closed
and
securely
in
place.
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.
W
ELDING
can
cause
fire
or
explosion.
WELDING CURRENT
can
damage
elec

Do
not
weld
near
flammable
material.
tronic
parts
in
vehicles.

Watch
for
fire;
keep
extinguisher
nearby.

Disconnect
both
battery
cables
before
welding
on
a
vehicle.
S

S
Do
not
locate unit
over
combustible surfaces.
Do
not
weld
on
closed containers.
Allow
work and
equipment
to
cool
before
handling,

Place work
clamp
as
close
to
the weld
as
possible.
See
Safety
Precautions
at
beginning
of
manual for
ba
sic
welding
safety
information.
swarnO
2
10/91
7-1.
Flux Cored
Arc
Welding
(FCAW)
And Gas
Metal
Arc
Welding
(GMAW)
4
2
Figure
7-1.
Holding
And
Positioning
Welding
Gun
a
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.

Ventilate
area,
or use
breathing
device.

Read Material
Safety
Data
Sheets
(MSDS5)
and
manufacturers
instructions
for
material used.
1
1
Hold
Gun
And
Control Gun
Trigger
2
Workpiece
3
3
4
Work
Clamp
Electrode Extension
(Stickout)
1/4
To
112
in
(6
To
13mm)
5
Cradle
Gun And Rest Hand
On
Workpiece
N
OTE
~
Welding
wire
is
not
energized
until
gun
trigger
is
pressed;
therefore,
welding
wire
should extend
not
more
than
1/2
in
(13 mm)
beyond
edge
of
nozzle and
tip
of
wire
placed
on
seam
before
lowering
helmet
and
pressing trigger.
End View
Of
Work
Angle
Side
View
Of Gun
Angle
GROOVE WELDS
,
End
View
Of
Work
Angle
Side View Of
Gun
Angle
FILLET WELDS
S-0421-A
OM-151
015
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