Complete Parts List available at www.MillerWelds.com
OM-282374 Page 33
Ref. 251 340-A / Ref. 802 292-A
!
Stop engine.
!
Failure to properly size and connect
weld cables may cause excessive
heat and start a fire, or damage your
machine.
NOTICE
−
When making weld connections
with a common work cable, connect weld
cable of adequate size between Negative
(
−
) weld output terminals, and connect a
single weld cable of adequate size from
Welder B (right) Negative (
−
) terminal to the
workpiece.
NOTICE
−
When using these connections
as a common work terminal, all connec-
tions must be of the same polarity.
NOTICE
−
For common work connection,
work cable must be able to carry combined
weld output of both modules (see Section
NOTICE
−
Do not exceed machine duty
cycle.
Use Dual Operator mode for CC and
1
Electrode Holder Cable
2
Wire Feeder Cable
3
Work Jumper Cable
4
Common Work Cable
For Direct Current Electrode Positive
(DCEP), connect common work cable and
work jumper cable to Welder B (right) Neg-
ative (
−
) terminal. Connect other end of
work jumper cable to Welder A (left) Nega-
tive (
−
) terminal.
Connect electrode holder cable to one Pos-
itive (+) terminal.
Connect wire feeder cable to remaining
Po) terminal.
Be sure Process Selector switches are
set correctly. See Section 6-4.
For Direct Current Electrode Negative
(DCEN), connect common work cable and
work jumper cable to Welder B (right) Posit-
ive (+) terminal. Connect other end of work
jumper cable to Welder A (left) Positive (+)
terminal.
Connect electrode holder cable to one
Negative (
−
) terminal, and wire feeder
cable to remaining Negative (
−
) terminal.
Be sure Process Selector switches are
set correctly. See Section 6-4.
Tools Needed:
3/4 in.
1
2
3
4
Direct Current Electrode Positive
(DCEP) connections are shown.
Welder A (Left) Side
Welder B (Right) Side
5-13. Making Dual Operator CC And CV Weld Connections w/ Common Work Cable