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CONNECTION OF THE K488 SG CONTROL
MODULE AND K487 MAGNUM SPOOL GUN
TO THE COMMANDER 400 (SEE FIGURE
C.7.)
1. Shut the welder off.
2. Connect the electrode cable from the SG Control
Module 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.7 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 K691-10 input cable as shown in
Figure C.7.
4. Set the slide switch on the SG Control Module to
the “Lincoln” position.
Be sure this switch is set to the “Lincoln” (contact clo-
sure) position before attempting to operate the SG
Control Module. Incorrect switch position could result
in damage to the SG Control Module and/or the
Commander 400.
5. Place the IDLER switch on the Commander 400 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 SG Control Module.
NOTE: For remote control, a K857 remote control is
required. Connect it to the 6 pin amphenol.
ACCESSORIES
C-9 C-9
COMMANDER 400
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CAUTION
CAUTION
FIGURE C.7
COMMANDER 400/K691/K488/K487 SPOOL GUN CONNECTION DIAGRAM
K487-25
SPOOL GUN
K691-10
INPUT CABLE
K488 SG
TO WORK
RECEPTACLE
CONTROL MODULE
ELECTRODE CABLE
TO CONTROL MODULE
RECEPTACLE
TO WORK
14 PIN WIRE FEEDER
115V RECEPTACLE
ELECTRODE
6 PIN REMOTE