Installing Gas Supply - Miller Electric MPi 220P Owner's Manual

4-3. Installing Gas Supply

4
Argon Gas Or Mixed Gas
OR
7
5
8
6
1
2
3
1
2
3
9
CO Gas
2
Rear Panel
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
Typical flow rate is between 12-15
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/flowmeter and CO
cylinder.
Ref. 149 827-B / Ref. 956142881_1-B
OM-253 918 Page 13
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