5-2. Controls Without Meters
2
3
1Power Control Switch
2Jog/Purge Switch
Pressing the Jog switch allows the operator
OFF 1 to jog wire without energizing the contactor
or gas valve.
Pressing the Purge switch allows the opera- tor to purge gas lines before welding and to preset gas flow rate at the flowmeter.
3 Wire Speed Control
Use control to adjust wire speed within the speed range selected by the wire speed range switch, located on the inner control panel.
4 CC/CV Switch
Use switch to match feeder with the output of the power source.
5 HI/LO Speed Range Switch
Use switch to select speed range. High range is 50 to 780 Inches per minute. Low range is approximately half of high range.
6 Soft Start Switch
The Soft Start feature provides a smooth start during most weld conditions. When the trigger is pulled, the wire speed is approxi- mately 25% of the weld wire speed, as set by the wire speed control knob. After an arc is established, the wire speed increases to the weld wire speed.
When using small diameters wire, or with in- verter power sources, it may be necessary to turn switch off to obtain smooth starts.
After adjusting the switches, close and latch the door before welding.
Front Panel
65 
4
Internal Control Panel
Internal Side View
Ref. 804