Connecting To Weld Output Terminals - Miller Big Blue 800 Owner's Manual

5-11. 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 surface of the weld cable terminal and
copper bar are both 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 Positive (+) Weld Output Terminal
8 Negative (−) Weld Output Terminal
Tools Needed:
3/4 in.
1
6
3
4
5
OM-244 023 Page 28
Stick And TIG Welding
For Stick welding Direct Current Electrode
Positive (DCEP), connect electrode hold-
er cable to Positive (+) terminal on left and
work cable to Negative (−) terminal on
right.
For Stick and TIG Direct Current Elec-
trode Negative (DCEN), connect elec-
trode holder cable to Negative (−) terminal
on right and work cable to Positive (+) ter-
minal on left.
7
8
2
MIG And FCAW Welding
For MIG welding Direct Current Electrode
Positive (DCEP), connect wire feeder
cable to Positive (+) terminal on left and
work cable to Negative (−) terminal on
right. Use Process/Contactor switch to
select type of weld output (see Section
6-3).
For MIG and FCAW Direct Current Elec-
trode Negative (DCEN), connect wire
feeder cable to Negative (−) terminal on
right and work cable to Positive (+) termi-
nal on left. Use Process/Contactor switch
to select type of weld output (see Section
6-3).
Ref 803 452 / 803 778-B