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C-5 C-5
RANGER 300 D AND 300 DLX
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CONNECTION OF THE LN-25 TO THE
RANGER 300 (DLX ONLY) USING
THE K624-1 42V REMOTE CONTROL
(SEE FIGURE C.3.)
1. Shut the welder off.
2. Connect the electrode cable from the LN-25 to the
ELECTRODE terminal of the welder. Connect the
work cable to the WORK terminal of the welder.
NOTE: Welding cable must be sized for current and
duty cycle of application.
Use the Polarity switch on the Ranger 300 to select the
desired electrode polarity. Change the LN-25 polarity
switch.
3. Connect the K626-XX Control Cable to the 14-pin
amphenol of the Ranger 300 DLX as indicated in
Figure C.3. Make the proper connections for local
or remote control according to Figure C.3.
4. Connect the K626-XX Control Cable to the LN-25.
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.
5. Set the OUTPUT RANGE switch to “WIRE WELD-
ING CV.”
6. Set the WELDING TERMINALS switch to
“REMOTELY CONTROLLED.”
7 Adjust wire feed speed at the LN-25.
8. Set the LOCAL/REMOTE switch to “REMOTE.”
FIGURE C.3
RANGER 300 DLX/LN-25 WITH K624-1 42 VOLT REMOTE CONTROL
ELECTRODE
TO WORK
14 PIN
TO WORK
AMPHENOL
CABLE PLUG
ELECTRODE CABLE
TO WIRE FEED UNIT
TO LN-25 INPUT
K626-XX INPUT CABLE ASSEMBLY
CAUTION