Hobart Welding Products OM-944 196 639G - Manual (Page 18)

OM-944 Page 14 Return To Table Of Contents
4-5. Installing Gas Supply
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.
Tools Needed:
Ref. 802 028-A / 802 441
5/8, 1-1/8 in
6
1
2
3
Argon Gas Or
Mixed Gas
4
5
7
.
DO NOT use Argon/Mixed gas regulator/flowmeter
with CO
2
shielding gas. See Parts List for optional
CO
2
gas regulator/flowmeter.