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CONNECTION OF THE LN-7 TO THE
COMMANDER 400 USING K584 INPUT
CABLE ASSEMBLY (SEE FIGURE C.2.)
1. Shut the welder off.
2. Connect the electrode cable from the LN-7 to the
“+” terminal of the welder. Connect the work cable
to the “CV- Wire” terminal of the welder.
NOTE: Welding cable must be sized for current and
duty cycle of application.
NOTE: Figure C.2 shows the electrode connected for
positive polarity. To change polarity, shut the welder
off and reverse the electrode and work cables at the
Commander 400 output terminals.
3. Connect the K584-XX Input Cable Assembly to the
LN-7.
4. Connect the K584-XX input cable assembly to the
14 pin amphenol on the Commander 400.
5. Place the IDLER switch in the “HIGH” position.
Any increase of the high idle engine RPM by changing
the governor setting or overriding the throttle linkage
will cause an increase in the AC auxiliary voltage. If
this voltage goes over 140 volts, wire feeder control
circuits may be damaged. The engine governor set-
ting is preset at the factory — do not adjust above
RPM specifications listed in this manual.
6. Set the LOCAL/REMOTE switch to “REMOTE” if a
K857 remote control is used. Set the switch to
“LOCAL” if no remote control is used.
7. Set the VOLTMETER switch to “+” or “-” depend-
ing on the polarity chosen.
8. Set the RANGE switch to “WIRE WELDING CV.”
9. Set the WELDING TERMINALS switch to “WELD-
ING TERMINALS REMOTELY CONTROLLED.”
10. Adjust wire feed speed at the LN-7.
NOTE: For remote control, a K857 control is required.
Connect it to the 6 pin amphenol.
ACCESSORIES
C-4 C-4
COMMANDER 400
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CAUTION
FIGURE C.2
COMMANDER 400/LN-7 WITH K584 INPUT CABLE ASSEMBLY CONNECTION DIAGRAM
14 PIN
AMPHENOL
CV-
+
TO WORK
TO LN-7 INPUT
CABLE PLUG
K595 CONTROL CABLE
ELECTRODE CABLE
TO WIRE FEED UNIT
6-PIN
OPTIONAL
K857 REMOTE
CONTROL