AUTO ARC 120 - THREADING WELDING WIRE

3-4.
Threading
Welding
Wire
____
a
WARNING
__
CYLINDERS
can
explode
if
damaged.

Keep
cylinders
away
from
welding
and
other
electrical circuits.

Never touch
cylinder
with
welding
electrode.

Always
secure
cylinder
to
running
gear,
wall,
or
other
stationary
support.
ELECTRIC SHOCK
can
kill.

Do
not
touch
live
electrical
parts.
The
welding
wire,
drive
rolls,
drive
assembly,
and
all
metal
parts
touching
the
welding
wire
are
electrically
live when
welding
or
feeding
wire
using
gun
trigger.
WELDING
WIRE
can
cause
puncture
wounds.

Do
not
press
gun
trigger
until
instructed
to
do
so.

Do
not
point
gun
toward
any
part
of
the
body,
other
people,
or
any
metal
when
threading
welding
wire.
HOT
SURFACES
can
burn
skin.

Allow
gun
to
cool
before
touching.
sworn2.1
9/91 /Bwam5.1
10/91
Figure
3-4.
Threading
Welding
Wire
Rel.
ST-151
289/
flel.
ST-151
357
I
Ret. ST.156
256~A
/
5.0827~A
1
Wire
Spool
2
Welding
Wire
3
Inlet
Wire
Guide
4
Pressure
Adjustment
Knob
5
Drive Roll
6
Outlet
Wire
Guide
7
Gun
Conduit
Cable
Lay
gun
cable
out
straight.
Tools
Needed:
6
in~
(150
mm)
-~
Open
pressure
assembly.
Pull
and
hold
wire;
cut
offend.
Push wire thru
guides
into
gun;
continue
to
hold
wire.
41n
~
(102 mm)
POWER
I
L-J10N1
Close
and
tighten
pressure
assembly,
and
letgoof
wire.
Press
gun
trigger
until
wire
comes
out
of
gun.
Reinstall
contact
tube
and
nozzle.
Remove
gun
nozzle
and
contact
tube.
4~Lu~1ll
-,
Feed
wire
to
check
drive
roll
pressure.
Tighten
knob
enough
to
prevent
slipping.
Set
switch.
Cut
off wire.
Close
and latch
door.
p
OM.151
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