Lift-Arc; Section 6 − Maintenance And Troubleshooting; Routine Maintenance - Miller Electric UNITOR UWI 150 Auto-Line Owner's Manual

5-3. Lift-Arc
1 2
SECTION 6 − MAINTENANCE AND TROUBLESHOOTING

6-1. Routine Maintenance

n = Check
* To be done by Factory Authorized Service Agent
Every
3
Months
nl Labels
Every
3
Months
n lCables And Cords
Every
6
Months
~:Durning heavy service, clean monthly.
OM-220 340 Page 18
1 − 2
"Touch"
Seconds
Do NOT Strike Like A Match!
Z = Change ~ = Clean
n l Gas Hoses
!
Do not remove case when blowing out inside of unit.
Blow out inside. Direct airflow through front and back louvers.
!
Disconnect power before maintaining.
.
Maintain more often during severe conditions.
= Repair
~ Weld Terminals
Lift-Arc Start
1 TIG Electrode
2 Workpiece
Touch tungsten electrode to work-
piece, hold for 1-2 seconds, slowly
lift electrode, and an arc forms.
Open-circuit voltage may be present
before electrode touches workpiece.
l = Replace