Miller Electric Big Blue 400 PX manual Connecting To Weld Output Terminals

5-7. Connecting To Weld Output Terminals

! Stop engine.

1Work (−) Weld Output Terminal

2CV (Wire) Weld Output Terminal

3CC (Stick/TIG) Weld Output Terminal

Making Connections

4Weld Output Terminal

5Supplied Weld Output Terminal Nut

6Weld Cable Terminal

7Copper Bar

Remove supplied nut from weld out- put terminal. Slide weld cable terminal onto weld output terminal and secure with nut so that weld cable terminal is tight against copper bar. 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.

Stick and TIG Welding

For Stick and TIG welding Direct Cur- rent Electrode Positive (DCEP), con- nect electrode holder cable to CC (Stick/TIG) terminal on right and work cable to Negative (−) terminal on left.

For Direct Current Electrode Nega- tive (DCEN), reverse cable connections.

Use Process/Contactor switch to se- lect type of weld output (see Section 6-3).

MIG and FCAW Welding

For MIG and FCAW welding Direct Current Electrode Positive (DCEP, connect wire feeder cable to CV (Wire) terminal on right and work cable to Work/Negative (−) terminal on left. Use Process/Contactor switch to select type of weld output (see Section 6-3).

For Direct Current Electrode Nega- tive (DCEN), reverse cable connections.

4

5

6

1 2 3

7

Do not place

anything between weld cable terminal and copper bar.

Correct Installation Incorrect Installation

Tools Needed: 3/4 in

Ref. 804 068 / 803 778 / 222 875-A

OM-223 037 Page 25