Connecting To Weld Output Terminals - Miller Big Blue 400 PX CE Owner's Manual

5-9. Connecting To Weld Output Terminals

!
Stop engine.
!
Failure to properly connect weld
cables may cause excessive heat and
start a fire, or damage your machine.
.
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 termi-
nal. Slide weld cable terminal onto weld output
terminal and secure with nut so that weld cable
terminal is tight against copper bar.
7 Work (−) Weld Output Terminal
8 Positive (+) Weld Output Terminal(s)
1
6
3
4
5
Stick and TIG Welding
For Stick and TIG welding Direct Current Elec-
trode Positive (DCEP), connect electrode
holder cable to Positive (+) terminal and work
cable to Negative (−) terminal on left.
For Direct Current Electrode Negative
(DCEN), reverse cable connections.
Use Process switch to select type of weld out-
put (see Section 6-3).
7
2
MIG and FCAW Welding
For MIG and FCAW welding Direct Current
Electrode Positive (DCEP), connect wire
feeder cable to Positive (+) terminal and work
cable to Negative (−) terminal on left. Use Pro-
cess switch to select type of weld output (see
Section 6-3).
For Direct Current Electrode Negative
(DCEN), reverse cable connections.
8
Tools Needed:
Ref.804 630-C / Ref. 287 126-A / 803 778-B
OM-229 979 Page 27
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