5-3. Gun Controls

 

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 4-16). When this fea-

 

ture is turned Off, no preflow or

 

postflow is provided for the welding

1

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-A

5-4. Shielding Gas

2

1

3

3

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

1

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 5-3).

Close valve on cylinder when finished welding.

sb5.1 6/92 – S-0621-C / Ref. 151 666-A

1 Coolant Supply

See Section 4-4 for coolant guidelines.

Turn On coolant supply before welding.

Turn Off coolant supply when finished welding.

Ref. 150 755-A

OM-1594 Page 29

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Hobart Welding Products OM-1594 manual Gun Controls, Shielding Gas Coolant Supply For Water-Cooled Models Only