Lincoln Electric SVM123-A service manual LN-8 SEMI-AUTOMATIC Wire Feeder, Remote

B-8 OPERATION B-8

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c.Set NA-3 Start Board current and voltage as close to the welding procedure current and voltage as possible.

NOTE: The Start Board current and volt- age should be as close as possible to the welding procedure current and voltage, while still getting satisfactory starts.

d.Set the start time to as low a time as possi- ble while still getting satisfactory starts.

7.Start and make the weld.

IDEALARC DC-1000 POWER SOURCE SETTING WHEN CONNECTED TO NA-5 AUTOMATIC WIRE FEEDER

When using the IDEALARC DC-1000 with the NA-5 automatic wire feeder, set the controls on the IDE- ALARC DC-1000 as follows for the best performance:

1.Turn OFF main AC input power supply to the IDE- ALARC DC-1000.

2.Connect the electrode cables to terminal polarity to be used.

3.Set the CONTROL CIRCUIT POLARITY SWITCH to the same polarity as the electrode cable con- nection.

4.Set the OUTPUT CONTROL SWITCH to

REMOTE.

5.Set the IDEALARC DC-1000 WELDING MODE SWITCH to the position that matches the welding process being used.

a.For submerged arc welding, set WELDING MODE SWITCH TO CV SUBMERGED ARC position.

b.For all open arc welding processes set

WELDING MODE SWITCH TO CV INNERSHIELD® position.

6.Set the Open Voltage Control four volts higher than the welding voltage, and the inch speed at 1/2 the welding wire feed speed for the initial test weld.

7.Refer to NA-5 Operator’s Manual for instructions on how to use the NA-5.

LN-8 SEMI-AUTOMATIC WIRE FEEDER

To use the LN-8 Semi-Automatic Wire Feeder with IDEALARC DC-1000

1.Set the IDEALARC DC-1000 WELDING MODE SWITCH to either CV Innershield® mode or CV Submerged Arc mode depending on the welding process being used.

2.Set the IDEALARC DC-1000 OUTPUT CONTROL SWITCH to the REMOTE position.

3.Set the LN-8 Welding Mode Switch to the CV position. The LN-8 Welding Mode Switch is locat- ed on the variable voltage VV (CC) board.

4.Refer to the LN-8 Operator’s Manual for instruc- tions on how to use the LN-8.

LN-7 AND LN-9 SEMI-AUTOMATIC WIRE FEEDERS OR OTHER CONSTANT WIRE FEEDERS

To use the LN-7, LN-9, or other constant wire feed speed semi-automatic wire feeders with IDEALARC DC-1000

1.Set the IDEALARC DC-1000 WELDING MODE SWITCH to either CV Innershield® mode or CV Submerged Arc mode depending on the welding process being used.

NOTE: These semi-automatic wire feeders cannot be used in the VV (CC) mode.

2.Set the IDEALARC DC-1000 OUTPUT CONTROL SWITCH.

a.LN-7: Use either an optional K775 Remote Control Box Assembly or set the IDE- ALARC DC-1000 OUTPUT CONTROL SWITCH in the Local position.

b.LN-9: Refer to the LN-9 Operator’s Manual for instructions on how to use the LN-9.

IDEALARC DC-1000