Lincoln Electric IM10178 POWER FEED 84 U.I. CONTROL BOX User Manual
Page 33
A-26
INSTALLATION
POWER FEED 84, POWER FEED 84 DUAL
shielding gas connecTion
Special care must be taken when more than one arc is welding
simultaneously on a single part. Arc blow and arc interference
may occur or be magnified. Each power source requires a work
lead from the work stud to the welding fixture. Do not combine all
of the work leads into one lead. Perform welding in the direction
away from the work leads. Connect all of the work sense leads
from each power source to the work piece at the end of the weld,
such that they are out of the path of the weld current.
For the best results when pulse welding, set the wire size and
wire feed speed the same for all the arcs. When these parameters
are identical, the pulsing frequency will be the same, helping to
stabilize the arcs.
FIGURE A.32