Miller Electric XR Control manual Gun Controls, Shielding Gas

6-3. Gun Controls

1

1 Trigger

Press trigger to energize welding power source contactor (if applicable), start shielding gas flow, and begin wire feed.

Switches inside the wire feeder can be set to provide timed shielding gas preflow and postflow when trigger is pressed and released (see Section 5-15). When this fea- ture is turned Off, no preflow or postflow is provided for the welding operation.

2 Wire Speed Control

Use control to fine adjust wire feed

2speed set on wire feeder Weld Speed control. The numbers around the control are for reference only.

1

2

Ref. 151 666-F

6-4. Shielding Gas

2

1

3

3

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 6-3).

Close valve on cylinder when finished welding.

sb5.1 6/92 − S-0621-C / Ref. 151 666-F

6-5. Coolant Supply For Water-Cooled Models Only

1

1 Coolant Supply

See Section 5-4for coolant guidelines.

Turn On coolant supply before welding.

Turn Off coolant supply when finished welding.

Ref. 150 755-A

OM-1594 Page 29