Weld Output Terminals; Connecting To Weld Output Terminals - Miller Big Blue 400 Eco Pro CC Owner's Manual

5-9. Weld Output Terminals

1
1 Negative (−) Weld Output Terminal
2 CV Wire Positive (+) Weld Output
Terminal
3 CC Stick/TIG Positive (+) Weld Out-
put Terminal
4 CAC-A Positive (+) Weld Output Ter-
minal
Use Process switch to select type of weld
output (see Section 6-2).
CV Wire Welding
For MIG/FCAW welding Direct Current
5-10.

Connecting To Weld Output Terminals

Tools Needed:
3/4 in.
6
3
4
5
Electrode Positive (DCEP), connect wire
feeder cable to Positive (+) terminal and
work cable to Negative (−) terminal.
For Direct Current Electrode Negative
(DCEN), reverse cable connections.
CC Stick Welding
For Stick welding Direct Current Electrode
Positive (DCEP), connect electrode holder
cable to Positive (+) terminal and work
cable to Negative (−) terminal on left.
1 2
3
2
For Direct Current Electrode Negative
(DCEN), reverse cable connections.
CC TIG Welding
For TIG welding Direct Current Electrode
Negative (DCEN), connect torch to Negat-
ive (−) terminal and work cable to Positive
(+) terminal.
CAC-A Gouging
For CAC-A connect electrode holder cable
to Positive (+) terminal and work cable to
Negative (−) terminal on left.
!
Stop engine.
!
Failure to properly connect weld
cables may cause excessive heat
and start a fire, or damage your ma-
chine.
.
Do not place anything between weld
cable terminal and copper bar. Make
sure that the surfaces of the weld
cable terminal and copper bar are
clean.
1 Correct Weld Cable Connection
2 Incorrect Weld Cable Connection
3 Weld Output Terminal
4 Supplied Weld Output Terminal Nut
5 Weld Cable Terminal
6 Copper Bar
Remove supplied nut from weld output
terminal. Slide weld cable terminal onto
weld output terminal and secure with nut
so that weld cable terminal is tight against
copper bar.
4
247 201-A
803 778-B
OM-247 432 Page 27