Installing Gas Supply - Miller MigMatic S400i Owner's Manual

4-4. Installing Gas Supply

OM-287504 Page 14
4
Argon Gas Or Mixed Gas
OR
7
5
8
6
Rear Panel
1
2
3
1
2
3
9
CO Gas
2
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
between regulator/flowmeter gas
hose connection, and fitting on
rear of welding power source.
7 Flow Adjust
Typical flow rate is between 15-20
liters per minute. Check wire
manufacturer's recommended
flow rate.
8 CO Adapter (Customer
2
Supplied)
9 O-Ring (Customer Supplied)
Install adapter with O-ring between
regulator/flow meter and CO
cylinder.
Tools Needed:
19/32 in (15 mm)
Ref. 956172374_10-A / Ref. 149827-B / Ref. 158697-A
hose
2