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

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

Image 21

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

Contents

LN-25 Tmpro California Proposition 65 Warnings Safety Electric Shock can kill Iii Welding and Cutting Sparks can Cause fire or explosion Sûreté Pour Soudage a L’Arc Précautions DE Sûreté Electromagnetic 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 PRO Location Safety PrecautionsHigh Frequency Protection Weld CAbLE SIzE Power Source 3INSTALLATIONA-3Wire Feeder Analog Control CAbLE K1797-xx Function 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, CrNi Power Source to LN-25 PRO Across the ARC SET-UPSDescription Figure A.7 Figure A.9 9INSTALLATIONA-9 Operation Safety Precautions General Description Figure b.1 Case Front Controls See Figure b.1 Wire Feed Speed, CV Operation Wire Feed Speed KNObMinimum Arc Volts Maximum WFS Extra Torque Polarity LED Figure b.2 Internal Controls Internal Controls Description Step Trigger Interlock SwitchCold Feed PUSHbUTTON Step Trigger Figure b-3 Constant Current Wire Welding Rear Controls Itemdescription GAS Purge PUSHbUTTON POWER-UP SequenceFlow Meter Liter/Min Factory Installed Equipment AccessoriesDrive Roll Kits Electrode SIzE On at all times Accessories K1500-5 Gun Receiver Bushing compatible Installation of the K590-6 Water Cooling KIT Routine Maintenance MaintenancePeriodic Maintenance CALIbRATION Specification To change the wire feed speed calibration See Figure D.2 Wire Feed Speed ValidationModel gearing BOARD LN-25 PRO Electric Shock can kill TROUbLESHOOTING Symptoms PRObLEMSPOSSIbLE Cause Recommended Course of Action TROUbLESHOOTING Enhanced Diagram Diagrams Dimension Print Precaucion Warnung