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OM-1318 Page 12
3-3. Installing Gas Supply
Obtain gas cylinder and chain to
running gear, wall, or other station-
ary 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
4 Regulator/Flowmeter
Install so face is vertical.
5 Gas Hose Connection
Fitting has 5/8-18 right-hand
threads.
6 Gas Fitting
Install gas hose between gas hose
connction on regulator/flowmeter
and gas fitting on rear of welding
power source.
7 Flow Adjust
Typical flow rate is 20 cfh (cubic feet
per hour). Check wire manufactur-
er’s recommended flow rate.
8CO
2
Adapter
9 O-Ring
Install adapter with O-ring between
regulator/flowmeter and CO
2
cylinder.
Tools Needed:
CO
2
Gas
8 9
3
1
2
4
5
7
1
2
3
Argon Gas
OR
ssb3.1* 12/92 – ST-158 697-A / ST-801 986
5/8, 1-1/8 in
6