Hobart Welding Products IRONMAN 250 - Manual (Page 18)

OM-192 440 Page 14
3-10. Installing Gas Supply
Ref. 220 747-A / 802 028-A / Ref. 802 286-E
Tools Needed:
1-1/8, 5/8 in
1
2
3
Argon Gas Or
Mixed Gas
Rear Panel
6
.
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
4 Regulator/Flowmeter
Install so face is vertical.
5
Regulator/Flowmeter Gas
Hose Connection
6 Welding Power Source Gas
Hose Connection
Connect customer supplied gas
hose between regulator/flowmeter
gas hose connection, and fitting on
rear of welding power source.
7
Flow Adjust
Typical flow rate is 20 cfh (cubic
feet per hour). Check wire
manufacturer’s recommended
flow rate.
4
5
7