Lincoln Electric IM901-A manual Internal Controls, Figure b.2

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b-6	OPERATION	b-6

INTERNAL CONTROLS

FIGURE b.2

4

5

6

23

1

8

7

9

10

11

12

ITEM	DESCRIPTION

12 Step Trigger Interlock Switch

2 CV / CC Switch

3 Pressure Adjustment Arm

4 Optional Timer Kit (See Accessories Section)

5 Spool Retainer

6 Spindle Brake

7Gun Bushing

8Thumb Screw for securing the welding Gun

9Socket Head Cap Screw for securing the Gun Bushing

10Drive Hubs

11Inlet Wire Guide

12Cold Feed Pushbutton

LN-25™ PRO ACROSS THE ARC MODEL

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Contents LN-25PRO Safety Depends on YouCalifornia Proposition 65 Warnings SafetyElectric Shock can kill Iii Welding and Cutting Sparks can Cause fire or explosionPrécautions DE Sûreté On-Line Product Registration Please Examine Carton and Equipment For Damage ImmediatelyTAbLE of Contents Installation Location Safety PrecautionsHigh Frequency Protection Weld CAbLE SIzEFunction Pin Wiring 3INSTALLATIONA-3CAbLE Connections Shielding GAS ConnectionChanging the GUN Receiver bUSHING Procedure to Install Drive Rolls and Wire GuidesLoading Spools of Wire Pressure ARM AdjustmentGUN Connection Fe, CrNiFigure A.5 Across the ARC SET-UPSFigure A.7 Figure A.9 8INSTALLATIONA-8Operation Definition of Welding Terms Recommended Power SourcesRecommended Processes Process LimitationsCase Front Controls See Figure b.1 DescriptionAnalog Voltmeter Wire Feed Speed, CV Operation Wire Feed Speed KNObMinimum Arc Volts Maximum WFS Extra TorquePolarity LED Figure b.2 Internal ControlsCV/CC Switch Internal Controls DescriptionCold Feed PUSHbUTTON Figure b-3 Constant Current Wire WeldingRear Controls ItemdescriptionGAS Purge PUSHbUTTON POWER-UP SequenceFlow Meter ScfhFactory Installed Equipment AccessoriesWire Type Drive Roll KitsAccessories Kit 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 BOARDElectric Shock can kill TROUbLESHOOTINGSymptoms PRObLEMSFault Code Description Possible Adjustments POSSIbLEOutput Problems TROUbLESHOOTING Diagrams LN-25 PRO Across the ARCModel Diagrams Dimension Print LN-25 PRO Across the ARC Model Precaucion Warnung