Lincoln Electric SVM 122-A service manual Semiautomatic Wire Feeders

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C-9 C-9

ACCESSORIES

FIGURE C.7

IDEALARC DC-400/LN-7 WITH K584 INPUT CABLE ASSEMBLY CONNECTION DIAGRAM

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SEMIAUTOMATIC WIRE FEEDERS

CONNECTING THE LN-7 TO THE IDEALARC DC-400 (14-PIN AMPHENOL)

1.Disconnect main AC input power to the Idealarc DC-400.

2.Set the POWER toggle switch to the OFF (0) posi- tion.

3.Connect the electrode cable from the K584-XX Input Cable Assembly to the “+” terminal of the welder and to the LN-7 wire feeder. Connect the work cable to the “-” terminal of the welder. Reverse this hookup for negative polarity.

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

4.Connect K584-XX Input Cable between the DC- 400 and the LN-7. See Figure C.7.

5.Set the welder VOLTMETER toggle switch to the desired polarity, either DC (-) or DC (+).

6.Set the MODE switch to a CV (constant voltage) position at the welder.

7.Adjust wire feed speed at the LN-7 and set the welding voltage with the OUTPUT CONTROL.

NOTE: If optional remote control is used, place the OUTPUT CONTROL and the OUTPUT TERMI- NALS switch in the “Remote” position.

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IDEALARC DC-400

LINCOLN ®

ELECTRIC