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5-3. Shielding Gas
2
1
3
5-4. Coolant Supply For Water-Cooled Models Only
1
3
2
1Shielding Gas Cylinder
2Valve
3Gun Trigger
Open valve on cylinder just before welding.
Gun trigger turns weld output and gas flow on and off (see Section
Close valve on cylinder when finished welding.
Ref. 151
1Coolant Supply
2Coolant “In”
3Coolant “Out”
See table below for coolant guidelines.
Turn On coolant supply before welding.
Turn Off coolant supply when finished welding.
Application | GTAW Or Where | GMAW Or Where Coolant | |
Contacts Aluminum Parts Or | |||
| HF* Is Used | ||
| Where HF* Not Used | ||
|
| ||
|
|
| |
| MILLER Low | MILLER Aluminum Protecting | |
| Coolant No. 043 809**; | ||
| Conductivity Coolant | ||
| Distilled Or Deionized Water OK | ||
| No. 043 810** | ||
| Above 32° F (0° C) | ||
|
|
Coolant
*HF: High Frequency Current
**MILLER coolants protect to
Ref. 150