Lincoln Electric IM10031-A manual Case Front Controls See Figure b.1

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b-3	OPERATION	b-3

(See Customer Assistance Policy in the front of this Instruction Manual)

CASE FRONT CONTROLS (See Figure b.1)

FIGURE b.1

1

5

6

2

3

4

ITEM	DESCRIPTION

1	Analog Voltmeter
2	Wire Feed Speed Knob
3	5-pin gun trigger connector
4	Work sense lead
5	Thermal LED, Motor Overload
6	Polarity LED

1.ANALOG VOLTMETER

The analog voltmeter shows the voltage between electrode and work. On across the arc models, the voltmeter shows open circuit voltage when the wire feeder is not welding. The voltmeter is polarity insensitive and the range is 0 – 40VDC.

LN-25™ PRO

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Contents LN-25 Tmpro California Proposition 65 Warnings SafetyElectric Shock can kill Iii Welding and Cutting Sparks can Cause fire or explosionSûreté Pour Soudage a L’Arc Précautions DE SûretéElectromagnetic Compatibility EMC Methods of Reducing Emissions Mains Supply Vii Please Examine Carton and Equipment For Damage ImmediatelyOn-Line Product Registration TAbLE of Contents Technical Specifications LN-25 PRO K2613-1, K2613-2 InstallationWire SIzES LN-25 PROLocation Safety PrecautionsHigh Frequency Protection Weld CAbLE SIzEPower Source 3INSTALLATIONA-3Wire Feeder Analog Control CAbLE K1797-xxFunction Pin Wiring CAbLE ConnectionsShielding GAS Connection Wire Drive Configuration Procedure to Install Drive Rolls and Wire GuidesChanging the GUN Receiver bUSHING Loading Spools of Wire Pressure ARM AdjustmentGUN Connection Fe, CrNiPower Source to LN-25 PRO Across the ARC SET-UPSDescription Figure A.7 Figure A.9 9INSTALLATIONA-9Operation Safety PrecautionsGeneral Description Figure b.1 Case Front Controls See Figure b.1Wire Feed Speed, CV Operation Wire Feed Speed KNObMinimum Arc Volts Maximum WFS Extra TorquePolarity LED Figure b.2 Internal ControlsInternal Controls Description Step Trigger Interlock SwitchCold Feed PUSHbUTTON Step TriggerFigure b-3 Constant Current Wire WeldingRear Controls ItemdescriptionGAS Purge PUSHbUTTON POWER-UP SequenceFlow Meter Liter/MinFactory Installed Equipment AccessoriesDrive Roll Kits Electrode SIzEOn at all times Accessories K1500-5 Gun Receiver Bushing compatible Installation of the K590-6 Water Cooling KIT Routine Maintenance MaintenancePeriodic Maintenance CALIbRATION SpecificationTo change the wire feed speed calibration See Figure D.2 Wire Feed Speed ValidationModel gearing BOARD LN-25 PROElectric Shock can kill TROUbLESHOOTINGSymptoms PRObLEMSPOSSIbLE Cause Recommended Course of ActionTROUbLESHOOTING Enhanced Diagram DiagramsDimension Print Precaucion Warnung