Accessories – Lincoln Electric CLASSIC III SVM 137-A User Manual

Page 32

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CONNECTION OF THE LN-7 TO THE
CLASSIC III OR CLASSIC IIID (EQUIPPED
WITH K623-1 WIRE FEED MODULE)
USING K867 UNIVERSAL ADAPTER
(SEE FIGURE C.1.)

Shut the welder off.

Connect the electrode cable from the LN-7 to the
“+” terminal of the welder. Connect the work
cable to the “CV–” terminal of the welder.

NOTE: Welding cable must be sized for current and
duty cycle of application.

NOTE: Figure C.1 shows the electrode connected for
positive polarity. To change polarity, shut the welder
off and reverse the electrode and work cables at the

Classic III or Classic IIID

output terminals.

3. Connect the K867 Universal Adapter to the K291 or

K404 input cable and the 14 pin amphenol of the

Classic III or Classic IIID

as indicated in Figure C.1.

Make the proper connections for local or remote
control according to Figure C.1.

4. Connect the K291 or K404 input cable to the LN-7.

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. Adjust wire feed speed at the LN-7.

NOTE: For remote control, a K775 remote control is
required. See Figure C.1.

When the welder is in local control, the electrode is
always “HOT.”

ACCESSORIES

C-4

Classic III and IIID