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OM-925 Page 14
5-5. 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 supplied gas hose
between regulator/flowmeter gas
hose connection, and fitting on rear
of welding power source.
7 Flow Adjust
Turn flow adjust screw to increase
or decrease gas flow. Flow rate
should be set when gas is flowing
through welding power source and
welding gun. Turn Range switch to
Purge or Fan Only position. Press
gun trigger to start gas flow. 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.