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SECTION 2INSTALLATION
1
--
1
Insulator
2
Bolt
3
Smaller
Hole
2
4
Work
Clamp
Tabs
2-1.
Installing
Work
Clamp
Tools Needed:
Be nd tabs around work cable.
~i
7/16
in.
3/8
In.,
5
6
Work
Cable From
Unit
Nut
Ref
ST.025
I9O~C
Figure
2-1.
Installing
Work
Clamp
2-2.
Installing
Gas
Supply
a
WARNiNG
Obtain gas
running
gea
cylinder
and chain to
r,
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
4
Cylinder (CO2
shown)
CO2 0-Ring
Tools
~_
1-1/8 in.,
5/8
in.
a
WARNING
C YLINDERS
can
explode
if
damaged.
Keep
cylinders
away from
welding
and
other
~
BUILDUP OF SHIELDING GAS
can
harm
health
or
kill.
electrical circuits.
Shut off
shielding
gas
supply
when
not in
use.
Never touch
cylinder
with
welding
electrode.
Always
secure
cylinder
to
running
gear, wall,
or
other
stationary
support.
warn4.I
9/91
5
Regulator
Install onto
gas
cylinder
so
that
face is vertical.
6
Flowmeter
Flow
rate is set to
20
cfh
(cubic
feet
2
per
hour).
7
Gas Hose Connection
Install gas hose between flowmeter
and
welding
power
source.
ssb3P 2/92
ST-154
583
/
ST.l
54
623
Figure
2 -2.
TypIcal
CO2 Regulator/Flowmeter
Installation
2-3.
Gun
Polarity
For Wire
Type
ELECTRiC SHOCK
can
kill.
Do
not
touch live electrical
parts.
Turn
OFF
welding
power
source,
and disconnect
inputpower
before
inspecting
or
installing.
swaml.1
9/SI
There
are
two
Jumper links
(1 set)
across
each
set
of terminals. Be
sure
to
move
each set of links
when
changing polarity.
Tools Needed:
3
Pilot
Light (See
Section
4.1)
3/8
in.
Close
door.
Ref. sT.149631.c
I
Polarity Changeover
Label
2
Polarity Jumper
Links
Always
read and follow wire
man
ufacturers recommended
polarity.
Figure
2-3. Gun
Polarity
Connections
OM-154
500
Page
2
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