Hobart Welding Products 120 User Manual

OM-210 088 Page 13

Obtain gas cylinder and chain to
running gear, wall, or other station-
ary 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 manufactur-
er’s recommended flow rate.

8

CO

2

 Adapter (Customer Sup-

plied)

9

O-Ring (Customer Supplied)

Install adapter with O-ring between
regulator/flowmeter and CO

2

cylinder.

Tools Needed:

CO

2

 Gas

8

9

3

1

2

4

5

7

1

2

3

Argon Gas

OR

ST-802 028 / ST-802 086

5/8, 1-1/8 in

6