Specifications

water
should be
observed
as
flowing
steadily
out to
sewer.
8.
If
a
water
circulating
coolant
system
is
used,
check water
fittings
to
gun
or
torch
and
for
water
flow
at the
Water
Return
on
the water
cool
ant
system.
B.
Wire
Speed
Control
(Figure
3-1)
The
adjustment
of
this
control
is
best
determined
by
the
individual
operation;
difference
between
ap
plications,
materials
and
desired
end-results
will
require
feeding
rates
that
vary
from
one
application
to
another.
Wire
feed
speed
adjustment
is
made
by
means
of
the
WIRE SPEED
control
on
the
front
panel
of
the control
assembly.
Turning
the
control
In
the
clockwise direction
will
increase
the
wire
feed
ing
rate
and
will
supply
more
wire
into
the
arc
and
deposit
a
larger
weld
puddle.
The
wire
speed
may
also be
adjusted
by
a re
mote
control
(optional).
Connect
the
remote
con
trol
plug
into
the remote
control
receptable
on
the
face
of
the
control/feeder
andpositiontheSTD-RE
MOTE
Switch
on
the
control/feeder
and
on
the
re
mote
control unit to the
REMOTE
position.
If
it
is
desired
to
return
the
control
of
the wire
speed
to
the
control/feeder,
place
either
the
STD.RE
MOTE
Switch
on
the
control/feeder
or
the
one
on
the
remote
control
to
the
STD.
position.
8.
Wire
is
firmly
seated
between
drive
roll
gears
with
sufficient
pressure
to
push
the wire
through
the
gun
or
torch.
9.
Wire
feeding
rate
has been
preset
on
WIRE
SPEED
control.
10.
RETRACT-FEED Switch
is
in
FEED
position.
11.
SLOW-FAST
START
switch
is in
proper
position.
Having
the
switch in the
SLOW
position
will
re
duce
the
speed
of
the wire
for
a
few
starting
.cycles
which
will
act
as
a
hot start
feature.
12.
All
power
cables
are
safety
insulated
and
properly
interconnectedbetween
control/feeder
and
gun,
welding
machine,
and
primary
power
source.
13.
Ground
cable
Is
properly
connected
between
workplece
and
welding
machine
negative
second
ary
output
terminal.
14.
Welding
machine
is
adjusted
for
required
output.
15.
If all
preweld
requirements
have
been
satis
fied
for
control/feeder
and
gun,
all
required
power
controls
are
now
positioned
to
ON,
the
operator
may
proceed
with the
trial or
actual
welding.
Figure
3-1.
Wire
Control/Feeder
Panel
C.
Pre-Weld Check
List
Prior
to
welding,
ensure
the
following
are ac
complished:
1.
All
safety
requirements
are
known
and
in
effect.
2.
Electrical
power
controls
are
OFF.
3.
All
hose
and
cabling
is
in
good
condition;
con
nections
are
properly
secured.
4.
Shielding
gas
is
provided
and
the
source
is
ad
justed
for
proper
flowrate.
5.
If
used,
water
circulating
coolant
source
output
is
adjusted;
used water
flow
is
visible
to drain
or
coolant
system.
6.
Wire
spool
is
in
place
and
adjusted
for
proper
pay
off
tension.
7.
Correct
size wire
drive
fittings
are
installed
on
control/feeder
and
gun
or
torch.
U
The
welding
wire
and all
metal
parts
in
contact
with it
are
energized
while
welding.
Do not touch
the
welding
wire
or
any
metal
part
making
contact
with
it.
I
3-6.
GAS
METAL-ARC
(GMAW)
WELDING
When
performing
gas
metal-arc
welding
proceed
as
follows:
1.
Place
the
ON-OFF
power
switch
on
thecontrol/
feeder
In the
ON
position.
2.
Place
the
ON-OFF
power
switch
on
the
welding
machine
in
the
ON
position.
This
will
energize
the
welding
machine
and control/feeder.
3.
Hold the
tip
of
the
gun
or
torch
approximately
1/2
inch
from the
workplece.
4.
Energize
the
trigger
on
the
gun
or
torch
handle.
Gas
will start to
flow
and
wire
will
start
to
feed
if
drive
roll
pressure
is
properly
adjusted
to
pre
vent
slippage.
If
wire
slippage
is
noticed,
tighten
PRESSURE
ADJUSTMENT
NUTS
1/4turnclock-
wise
at
a
time
until
slippage
stops.
Do not
tighten
PRESSURE
ADJUSTMENT
NUTS
too
much.
5.
Gas flow
will
start
approximately
30
cycles
(1/2
second)
before
the wire
starts.
6.
After all
the
controls
on
the
equipment
are
ad
justed
for normal
operating
conditions,
the
con
trol/feeder
and
welding
machine
will
perform
their
duties
automatically.
7.
Release the
torch
switch
after
the
weld
Is
com
pleted.
3-7.
SHUTDOWN
PROCEDURES
Environmental conditions
and
safety
require
ments
will determine
extent
of
equipment
shutdown
between
operation.
Shutdown
equipment
as
follows:
1.
Shutdown
welding
power
source.
2.
Place
the
ON-OFF
switch
on
the
control/feeder
in
the
OFF
position.
3.
Turn
off
gas
valve
at
source.
Wire reel
assembly
Remote
Wire
Slow-fast
control
inch
start
receptacte
switch
switch
Wire
speed
control
Torch
or
gun
shielding
gas
connection
Gear
case
oil
vent
plug
Weld
cable
~
relief
Torch
or
gun
Weld
cable
casing
connection
connection
Drive
roll
pressure
adjustments
Drive
roll
assembly
24
volt
switch
control
cable
connection
OM.1234
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