Miller Electric 255 Welder User Manual


 
OM-157 066 Page 9
2-9. Setting Gun Polarity
1 Polarity Changeover Label
Always read and follow manufac-
tures recommended polarity.
3/4, 11/16 in
Tools Needed:
1
Ref. 190 821-A
2-10. Positioning Jumper Links
Ref. ST-800 922-C
Check input voltage available at
site.
1 Jumper Links Access Door
Open door.
2 Jumper Link Label
3 Jumper Links Location
Move jumper links to match input
voltage, and label on unit.
Close and secure access door.
1
3
2
200 VOLTS
230 VOLTS
S-153 980
460 VOLTS
575 VOLTS
S-156 140
230 VOLTS
3/8 in
Tools Needed: