Welding Wire; Electric Shock; Hot Surfaces - MAC TOOLS MW13O Owner's Manual

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 SURFACES
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
ST~. 55 5~5
/
Ref. ST 55 504 S~0627-~
2 3
OM-154 404 Page 2
Figure 2-5. Feeding Welding Wire