Connecting Shielding Gas Supply - Miller Multimatic 200 Owner's Manual

5-7. Connecting Shielding Gas Supply

1
2
3
Mixed Gas
1
10
2
3
CO Gas
2
8
MIG
Tools Needed:
OM-253392 Page 20
.
A complete Parts List is available at www.MillerWelds.com
9
4
5
7
6
1
2
3
Argon Gas
4
8
5
TIG
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 CO
2
And Mixed Gas Hose
Connection
7 Welding Power Source Argon
Gas Hose Connection
Connect gas hose between
regulator/flowmeter gas hose
connection, and the appropriate
fitting for the gas type on rear of
welding power source.
8 Flow Adjust
Typical flow rate for CO shielding
2
gas and MIG (GMAW) welding is 15
to 30 CFH (cubic feet per hour) and
mixed gas is 25 to 45 CFH.
Typical flow rate for Argon shielding
gas and TIG (GTAW) welding is 15
to 25 CFH and aluminum MIG
(GMAW) welding is 35 to 45 CFH.
Check wire manufacturer's
recommended flow rate.
9 CO2 Adapter (Customer
Supplied)
10 O-Ring (Customer Supplied)
Install adapter with O-ring between
regulator/flowmeter and CO
cylinder.
Ref. 804 654-A / 254 247-B
2