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OM-235 281 Page 17
3-11. Installing Gas Supply
242 687-A
Tools Needed:
1-1/8, 5/8 in
Rear Panel
. DO NOT use Argon/Mixed gas regulator/flowmeter
with CO
2
shielding gas. See Parts List for optional
CO
2
gas regulator/flowmeter.
Obtain gas cylinder and chain to
running gear, wall, or other
stationary support so cylinder
cannot fall and break off valve.
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
a Argon Or Mixed Gas
Cylinder
bCO
2
Cylinder
4 Regulator/Flowmeter
a Argon Or Mixed Gas
Regulator/Flowmeter
bCO
2
Regulator/Flowmeter
Install so face is vertical.
5 Regulator/Flowmeter Gas
Hose Connection
6 Welding Power Source Gas
Hose Connection For MIG
Gun
Connect supplied gas hose
between regulator/flowmeter gas
hose connection, and fitting on rear
of welding power source.
7 Gas Flow Adjustment Control
Typical flow rate is 20 cfh (cubic
feet per hour). Check wire
manufacturer’s recommended flow
rate.
1
2
3a
4a
5
7
Argon Gas Or
Mixed Gas
6
2
3b
4b
5
7
CO
2
Gas