MAC TOOLS MW13O - Operation; Moving Parts; Safety Equipment

SECTION
3 OPERATION
I
1!~3~
~
READSAFETYBLOCKSatbeg1nning
MOVING
PARTS
can
cause
injury.
ARCING
can
damage
switch.

Keep
away
from
pinch
points
such
as
drive
rolls.

Do
not
change
VOLTAGE
switch
position
while

Keep
all
doors,
panels,
covers,
and
guards
closed
welding.
and
securely
in
place.

Arcing
inside
switch
can
damage
contacts,
causing
switch
to
fail.
1
Insulating
Gloves
2
Safety
Glasses
With
Side
Shields
3
Welding
Helmet
Wear
dry
insulating
gloves,
safety
glasses
with side
shields,
and
a
welding
helmet
with
a
correct
shade of filter
(see
ANSI
Z49.1).
sb3.1
10/91
Figure
3-1.
Safety
Equipment
1
Power
Switch
Use
Switch
to turn
unit
ON
and
OFF.
2
Wire
Speed
Control
Use control
to
select
a
wire
feed
speed.
As
VOLTAGE
switch
set
ting
increases,
wire
speed
range
also increases. The
numbers
around
the
control
are
not
a
wire
feed
speed
(see
rear
cover).
3
Voltage
Switch
Use
switch
to
select
an
arc
voltage.
The
higher
the
selected
number,
the
thicker
the
material
that
can
be
welded
(see
rear
cover).
4
Work
Clamp
Use wire
brush
or
sandpaper
to
clean
metal
at
weld
joint
area.
Tools
Needed:
Connect
work
clamp
to
clean.
paint-free
location
on
workpiece,
as
close
as
possible
to
weld
area.
Figure
3-2.
Controls
Ref.
ST-155
508
/
SC-
53 021
OM-154 404
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