SECTION 3 – OPERATION

3-1. 115 Volt Model Controls

1 Run-In Speed Control

1

2

Use control to select welding wire speed before arc initiation. After arc initiation, the wire feed speed is controlled by the Wire Speed con- trol on the gun/feeder.

2 Power Switch

Use switch to turn unit On and Off.

 

 

 

wfcontrols_1 1/96 / Ref. ST-144 451-D

3-2. Shielding Gas

 

 

 

 

 

1

Shielding Gas Cylinder

 

 

2

Valve

 

 

Open valve on cylinder just before

3

2

welding.

Close valve on cylinder when fin-

 

1

 

ished welding.

 

 

3

Regulator/Flowmeter

sb5.1* 6/92 – S-0621-C

OM-185 480 Page 8

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Hobart Welding Products HWC-115A manual Operation, Volt Model Controls, Shielding Gas