A-9

INSTALLATION

A-9

 

 

 

CONNECTION OF THE LN-25 TO THE AIR VANTAGE® 500 CUMMINS.

WARNING

Shut off welder before making any electrical con- nections.

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The LN-25 with or without an internal contactor may be used with the AIR VANTAGE® 500 CUMMINS. See the appropriate connection diagram in Section F.

NOTE: The LN-25 (K431) Remote Control Module and (K432) Remote Cable are not recommended for use with the AIR VANTAGE® 500 CUMMINS.

1.Shut the welder off.

2.For electrode Positive, connect the electrode cable from the LN-25 to the "+" terminal of the welder and work cable to the "-" terminal of the welder. For electrode Negative, connect the electrode cable from the LN-25 to the "-" terminal of the welder and work cable to the "+" terminal of the welder.

3.Attach the single lead from the front of the LN-25 to work using the spring clip at the end of the lead. This is a control lead to supply current to the wire feeder motor; it does not carry welding current.

4.Set the MODE switch to the "CV-WIRE " position.

5.Set the "WELD TERMINALS" switch to "WELD

TERMINALS ON"

6.Set the "ARC CONTROL" knob to "0" initially and adjust to suit.

7.Set the "IDLE" switch to the "AUTO" position. When not welding, the AIR VANTAGE® 500 CUMMINS engine will be at the low idle speed. If you are using an LN-25 with an internal contactor, the electrode is not energized until the gun trigger is closed.

8.When the gun trigger is closed, the current sensing circuit will cause the AIR VANTAGE® 500 CUM- MINS engine to go to the high idle speed, the wire will begin to feed and the welding process started. When welding is stopped, the engine will revert to low idle speed after approximately 12 seconds unless welding is resumed.

CAUTION

If you are using an LN-25 without an internal con- tactor, the electrode will be energized when the AIR VANTAGE® 500 CUMMINS is started.

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CONNECTION OF AN NA-3 AUTOMATIC WELDING SYSTEM TO THE AIR VAN- TAGE® 500 CUMMINS

For connection diagrams and instructions for connect- ing an NA-3 Welding System to the AIR VANTAGE®

500CUMMINS, refer to the NA-3 Welding System instruction manual. The connection diagram for the LN-8 can be used for connecting the NA-3.

• Set the Wire Feeder Voltage Switch to 115V.

CONNECTION OF MAGNUM SC SPOOL GUN TO THE AIR VANTAGE® 500 CUM-

MINS (SEE SECTION F)

Spool Gun (K487-25) and Cobramatic to AIR VAN- TAGE® 500 CUMMINS

•Shut the welder off.

•Connect per instructions on the appropriate connec- tion diagram in Section F.

AIR VANTAGE® 500 CUMMINS

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Air Vent Inc IM10065 manual Connection of the LN-25 to the AIR Vantage 500 Cummins
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IM10065 specifications

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