4-1. Controls
SECTION 5 – MAINTENANCE & TROUBLESHOOTING
5-1. Routine Maintenance
OM-1569 Page 16
SECTION 4 – OPERATION
1
5
4
Replace
Damaged Or
Unreadable
Labels
Clean
Drive
Rolls
2
3
Y Disconnect power
before maintaining.
3 Months
Clean And
Tighten
Weld
Terminals
6 Months
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
ST-139 026-B
.
Maintain more often
during severe conditions.
Replace Damaged
Gas Hose
Repair Or Replace
Cracked Cables
And Cords
Blow Out Or
Vacuum Inside