Lincoln Electric IM837-A manual Connection of Lincoln Electric Wire Feeders, Across The-Arc Model

A-6 INSTALLATION A-6

•The installation complies with the National Electrical Code and all other applicable electri- cal codes.

•The premises is isolated and no feedback into the utility system can occur. Certain laws require the premises to be isolated before the generator is linked to the premises. Check your local requirements.

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CONNECTION OF LINCOLN ELECTRIC WIRE FEEDERS

Connection of LN-15 to the Ranger 305D

These connections instructions apply to both the LN-

15Across The-Arc and Control Cable models. The LN-15 has an internal contactor and the electrode is not energized until the gun trigger is closed. When the gun trigger is closed the wire will begin to feed and the welding process is started.

•Shut the welder off.

•For electrode Positive, connect the electrode cable to the "+" terminal of the welder and work cable to the "-" terminal of the welder. For electrode Negative, connect the electrode cable "-" terminal of the welder and work cable to the "+" terminal of the welder.

•Across The-Arc Model:

Attach the single lead from the front of the LN-15 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.

Set the "WELD TERMINALS" switch to "WELD TER- MINALS ON".

•Control Cable Model:

Connect Control Cable between Engine Welder and Feeder.

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

Set the "WELD TERMINALS" switch to "REMOTELY CONTROLLED".

Set the "WIRE FEEDER VOLTMETER" switch to either "+" or "-" as required by the electrode polarity being used.

WARNING

Connection of the LN-25 to the RANGER 305D (CE)

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 RANGER 305D (CE). See the appro- priate connection diagram in Section F.

NOTE: The LN-25 (K431) Remote Control Module and (K432) Remote Cable are not recommended for use with the RANGER 305D (CE).

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 elec- trode 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 RANGER 305D (CE) 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 RANGER 305D (CE) engine to go to the high idle speed, the wire will begin to feed and the welding process started. When weld- ing is stopped, the engine will revert to low idle speed after approximately 12 seconds unless welding is resumed.

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

Set the "IDLE" switch to the "AUTO" position. 0

CAUTION

If you are using an LN-25 without an internal con- tactor, the electrode will be energized when the RANGER 305D (CE) is started.

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RANGER 305D