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

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

Image 21

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

Contents

LN-25PRO Safety Depends on You California Proposition 65 Warnings Safety Electric Shock can kill Iii Welding and Cutting Sparks can Cause fire or explosion Précautions DE Sûreté On-Line Product Registration Please Examine Carton and Equipment For Damage Immediately TAbLE of Contents Installation Location Safety PrecautionsHigh Frequency Protection Weld CAbLE SIzE Function Pin Wiring 3INSTALLATIONA-3CAbLE Connections Shielding GAS Connection Changing the GUN Receiver bUSHING Procedure to Install Drive Rolls and Wire Guides Loading Spools of Wire Pressure ARM AdjustmentGUN Connection Fe, CrNi Figure A.5 Across the ARC SET-UPS Figure A.7 Figure A.9 8INSTALLATIONA-8 Operation Definition of Welding Terms Recommended Power SourcesRecommended Processes Process Limitations Case Front Controls See Figure b.1 DescriptionAnalog Voltmeter Wire Feed Speed, CV Operation Wire Feed Speed KNObMinimum Arc Volts Maximum WFS Extra Torque Polarity LED Figure b.2 Internal Controls CV/CC Switch Internal Controls DescriptionCold Feed PUSHbUTTON Figure b-3 Constant Current Wire Welding Rear Controls Itemdescription GAS Purge PUSHbUTTON POWER-UP SequenceFlow Meter Scfh Factory Installed Equipment AccessoriesWire Type Drive Roll Kits Accessories Kit 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 Electric Shock can kill TROUbLESHOOTING Symptoms PRObLEMSFault Code Description Possible Adjustments POSSIbLE Output Problems TROUbLESHOOTING Diagrams LN-25 PRO Across the ARCModel Diagrams Dimension Print LN-25 PRO Across the ARC Model Precaucion Warnung