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OM-1569 Page 16
SECTION 4 – OPERATION
4-1. Controls
ST-139 026-B
1 Wire Speed Meter (Optional)
2 Voltage Meter (Optional)
3 Power Control Switch
4 Jog/Purge Switch
Push up to momentarily feed
welding wire at speed set on Wire
Speed control without energizing
welding circuit or shielding gas
valve.
Push down to momentarily ener-
gize gas valve to purge air from gun
or adjust gas regulator.
5 Wire Speed Control
5
1
2
4
3
SECTION 5 – MAINTENANCE & TROUBLESHOOTING
5-1. Routine Maintenance
Y Disconnect power
before maintaining.
. Maintain more often
during severe conditions.
3 Months
Replace
Damaged Or
Unreadable
Labels
Clean And
Tighten
Weld
Terminals
Replace Damaged
Gas Hose
Repair Or Replace
Cracked Cables
And Cords
6 Months
Clean
Drive
Rolls
Blow Out Or
Vacuum Inside