![](/images/new-backgrounds/1314082/31408239x1.webp)
ACCESSORIES | ||
|
|
|
LN-742 or STT-10 WIRE FEEDER CONNECTION INSTRUCTIONS
The
WARNING
ELECTRIC SHOCK can kill.
•Only qualified personnel should perform this installation.
•Turn the input power OFF at the discon- nect switch or fuse box before connecting the wire feeder
1.Turn the INVERTEC STT II (CE) power off.
2.Connect the ARC SENSE LEAD MS connector to the mating connector on STT II front panel.
3.Connect the electrode lead
4.Connect the other end of electrode lead (Step #3) and the ARC SENSE LEAD (lead with ring lug, step #2) together to the gun block on the LN 742.
5.Connect work lead between STT
6.Connect the ARC SENSE LEAD “WORK” (lead with alligator clip) to work piece.
NOTE: For best welding performance make this connection as close as possible to the welding arc.
7.Connect the wire feeder control cable between the
REMOTE RECEPTACLE
WORK LEAD![](/images/new-backgrounds/1314082/31408239xi3.webp)
WORK
WARNING | Turn off input power to the Welding |
| Power source using the disconnnect |
| switch at the fuse box before |
| connecting the wire feeder. |
ELECTRIC | Only qualified persons should install, |
SHOCK | use or service this machine. |
CAN KILL |
|
CONTROL, ELECTRODE, ARC SENSE "ELECT" | WIRE FEEDER | |
LN 742 | ||
AND ARC SENSE "WORK" CABLES SHOULD | ||
LN7 GMA | ||
BE TAPED TOGETHER. | ||
LN9 GMA | ||
| NA5R | |
| NA5 | |
WIRE FEEDER |
| |
CONTROL CABLE |
| |
ELECTRODE LEAD |
|
ARC SENSE LEAD 'ELECT"
CONNECT ELECTRODE LEAD AND "ELECT"
ARC SENSE LEAD TOGETHER TO ELECTRODE
TERMINAL OF WIRE FEEDER.
ARC SENSE LEAD "WORK" (SHOULD BE LOCATED AS CLOSE AS POSSIBLE TO THE WELDING ARC.)
CRM after
M17657
FIGURE C.2 LN-742 to STT II CONNECTION
INVERTEC STT II (CE)