Specifications

Figure
3-1.
Front
Panel
Views
3-2.
WIRE SPEED
CONTROL
(Figure
3-1)
The
WIRE
SPEED Control
provides
a
means
of
determining
the
rate
at
which
welding
wire
will be fed
into
the weld.
Rotating
the
WIRE
SPEED Control
in
a
clockwise
direction
will
increase the
rate
of
the
wire
feed.
When
the
WIRE
SPEED
Control
is
set
at
0,
wire
will feed
at a rate
of
50
1PM,
when
set
at
100,
the wire will feed
at a rate
of 675 1PM.
3- 3.
PURGE
BUTTON
(Figure
3-1)
The
PURGE
Button,
located
on
the
front
panel
of the
con
trol/feeder,
is
a
momentary
contact
switch.
This
switch
will
energize
the
gas
solenoid and
purge
the
shielding
gas
line of
the
gun.
The PURGE
Button also allows
the
shielding
gas
regulator
to
be
adjusted
without
energizing
the
welding
circuit.
3-4. INCH
SWITCH
(Figure
3-1)
The INCH
Switch,
located
on
the
front
panel
of the
control/feeder,
is
a
spring
loaded
toggle
switch.
When
actu
ated it
completes
the circuit
to
the
motor without
having
to
depress
the
gun
trigger
switch.
This
switch will
permit
inching
of the
wire
at
whatever
setting
the
WIRE
SPEED
control
is
at,
without
energizing
the
welding
circuit
or
the
shielding
gas
valve.
3-5. CIRCUIT
BREAKER
(Figure
3-1)
A circuit
breaker,
located
on
the
upper
portion
of the
con
trol/feeder
front
panel,
provides
protection
to the
control/
feeder
motor.
In
the
event
the
motor should
be
placed
in
an
overload
condition,
the
breaker
would
trip
and
suspend
all
output.
Should
this
breaker
trip,
the
RESET
Button
would
have
to
be
manually
depressed
in
order
to
reset
the circuit
breaker.
3-6.
PILOT
LAMP
(80A
Models
Only)
(Figure
3-1)
The
pilot
lamp,
when
illuminated,
indicates
that
the
control/
feeder
is
in
a
ready-to.weld
state.
SECTION
4
-
SEQUENCE
OF OPERATION
4-1.
GAS
METAL-ARC
WELDING
(GMAW)
1.
Make all
connections
as
instructed
in
Section
2.
2. Rotate
the
WIRE SPEED
Control
to
the
desired
setting.
3. Place
the
Power
Switch
on
the control/feeder
in
the
On
position.
4.
Depress
the
PURGE
Button for
one
minute.
5.
Energize
the
welding
power
source.
CAUTION
to
welding,
it is
imperative
that
proper
protective
clothing
(welding
coat
and
gloves)
and
eye
protection
(glasses
and/or
welding
helmet) be
put
on.
Failure
to
comply
may
result
in serious
or
permanent
bodily

damage.
6. Hold the
tip
of
the
gun
approximately
1/2
inch
from the
workpiece.
7.
Depress
the
trigger
on
the
gun
handle.
Gas
will
start
to
flow
and
wire will
start to
feed
if
drive
roll
pressure
is
properly
adjusted
to
prevent
slippage.
If
wire
slippage
is
noticed,
tighten
the drive roll
pressure
adjustment
wing
nut
1/2
turn
clockwise.
Repeat
until
slippage
stops.
Do
not
tighten wing
nut
too
much.
CAUTION
The
welding
wire and all metal
parts
in
contact
are
energized
while
welding.
Do
not
touch
the
welding
wire
or
any
metal
part
making
contact
with it.
4-2. SHUTTING DOWN
1.
Turn off
the
shielding
gas
at the
source.
TB-004
526
TB
-004
452
iDA
Model
80A Model
OM-1038
Page
5