MAC TOOLS MW13O - Section 2 Installation

2-1.
Installing
Work
Clamp
2-2.
Installing
Gas
Supply
BUILDUP
OF
SHIELDING
GAS
can
harm
health
or
kill.

Shut
off
shielding
gas
supply
when
not
in
use.
worn4
1
9/91
Obtain
gas
cylinder
and
chain
to
running
gear,
wall, or
other station.
ary
support.
1
Cap
2
Cylinder
Valve
Remove
cap,
stand
to
side
of
valve,
and
open
valve
slightly.
Gas
flow
blows
dust
and
dirt from valve.
Close
valve.
3
Cylinder
(CO2
Shown)
4
CO2
0-Ring
5
Regulator
Install
onto
gas
cylinder
so
that
face
is
vertical.
6
Flowmeter
Flow
rate
is
set to
20
cfh
(cubic
feet
Tools
Needed;
per
hour).
Figure
2-2.
Typical
CO2
Regulator/Flowmeter
Installation
7
Gas
Hose
Connection
Install
gas
hose
between
flow-
meter
and
welding
power
source.
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2/92

ST.154
583
/
S1.154
623
2-3.
Connecting
Input
Power
Connect
unit
to
a
properly
grounded
receptacle
of
a
20
ampere
individual branch
circuit
protected
by
time-delay
fuses
or
circuit
breakers.
Select
an
extension cord
of
12
AWG
for
up
to
75
ft.
(23
m)
or
10
AWG
for
up
to
140
ft.
(46
m).
SECTION 2INSTALLATION
2
Tools
Needed:
¶
~
3/8in.,
7/16
in.
1
Work
Cable
2 Work
Clamp
3
1/4-20
x
1/2
in.
Self-Thread.
ing
Screw
4
Clamp
Jaw
Insert
screw
through
terminal
on
work cable.
Thread
screw
through
law
and
clamp.
5
Flange
Nut
Secure
screw
with
nut.
ST-154
816
Figure
2-1.
InstallIng
Work
Clamp
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.
6
5
3
~===~
1-1/8
in.,
5/8
in.
OM-154
404
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