Lincoln Electric SVM150-A service manual Place the Weld Terminals switch

C-5 C-5

ACCESSORIES

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CONNECTION OF THE LN-25 TO THE RANGER 250 WITH 42 VOLT REMOTE OUTPUT CONTROL MODULE

(SEE FIGURE C.3.)

1.Shut the welder off.

2.Connect the electrode cable from the K626-XX Input Cable Assembly to the “-” terminal of the welder and to the LN-25 Wire Feeder. Connect the work cable to the “+” terminal of the welder.

NOTE: Figure C.3 shows the electrode connected for negative polarity. To change polarity, shut the welder off and reverse the electrode and work cables at the Ranger 250 output terminals.

5.Set the “MODE” switch to the “CV-WIRE” position.

6.Place the “IDLER” switch to the “AUTO” or “HIGH” position as desired.

CAUTION

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 cir- cuits may be damaged. The engine governor setting is preset at the factory – do not adjust above RPM spec- ifications listed in this manual.

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NOTE: Welding cable must be sized for current and	7.	Place the “WELD TERMINALS” switch in the
duty cycle of application.		“REMOTELY CONTROLLED” position.
3. Connect the input cable from the K626-XX Input	8.	Adjust wire feed speed and voltage at the LN-25.
Cable Assembly to the 14-pin amphenol on the	9.	Set the ARC control to “0” initially and adjust to suit.
Ranger 250 and the input cable plug on the LN-25.

4.Set the “VOLTMETER” switch to “+” or “-” depend- ing on the polarity chosen.

FIGURE C.3 – RANGER 250/LN-25 WITH

42 VOLT REMOTE OUTPUT CONTROL MODULE CONNECTION DIAGRAM

-

+–

RANGER 250