MAC TOOLS MW13O - Welding Wire; Electric Shock; Hot Surfaces

2-6.
Threading
And
Feeding 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
SURF ACES
can
burn skin.

Allow
gun
to
cool
before
touching.
swarn5.1
10/91
/
swam2.1 9/91
TO
USE
1
LB
SPOOL:
1
Wire
Spool
2
Hub
Tension
Nut
Remove
and
retain
Tools Needed:
~
~
~:;-~-
_iii~
9/l6ir,
Install
1
lb
spool
7
Grasp
spool
in
one
hand and
turn
while
using
a
wrench
to
adjust
nut.
When
a
slight
force
is
needed
to turn
spool.
tension
is
set.
Loosen
wire
from
spool,
cut
off
bent
wire,
and
pull
6 in.
(150 mm)
of wire
from
spool.
3
Pressure
Adjustment
Open
pressure
assembly.
4
Wire
Inlet
Guide
5
Drive Roll
6
Wire
Outlet
Guide
Thread
wire
through
inlet
guide,
along
drive
roll
groove,
and into
out
let
guide.
Close
pressure
assembly.
Lay
gun
cable
out
straight.
7
Nozzle
8
Contact Tube
Remove
nozzle
and
contact
tube.
9
Gun
Trigger
Turn
ON
unit,
press
gun
trigger,
and
feed2in.
(55
mm)
of
wire
outof
gun.
Turn
OFF
unit and
reinstall
contact
tube
and nozzle.
10
Adjusting
Pressure
Turn
ON
unit and
check
drive
roll
pressure
by
feeding
wire
against
a
wood
board
or
concrete
surface:
wire
should
feed
steadily
without
slipping.
Tighten
pressure
adjustment
if
necessary.
Close
door.
/
ST-SOC
316; Pef
ST~.
55 5~5
/ Ref. ST
55
504 S~0627-~
2
3
OM-154
404
Page
2
Figure
2-5.
Feeding
Welding
Wire