Lincoln-electric IM901 LN-25 PRO Manuel d'utilisateur

OPERATORʼS MANUAL• Sales and Service through Subsidiaries and Distributors Worldwide •Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 21

A-3INSTALLATION LN-25™ PRO ACROSS THE ARC MODELA-3SHIELDING GAS CONNECTIONCYLINDER may explode ifdamaged.• Keep cylinder upright andchained to suppo

A-4INSTALLATION LN-25™ PRO ACROSS THE ARC MODELA-4WIRE DRIVE CONFIGURATION(See Figure A.2)CHANGING THE GUN RECEIVERBUSHINGELECTRIC SHOCK can kill.•

THUMBSCREWGUNA-5INSTALLATION LN-25™ PRO ACROSS THE ARC MODELA-5PRESSURE ARM ADJUSTMENTELECTRIC SHOCK can kill.• Turn the input power OFF at the wel

A-6INSTALLATION LN-25™ PRO ACROSS THE ARC MODELA-6ACROSS THE ARC SET-UPSCC Power Sources with Output Terminals AlwaysHot (See Figure A.5)If the powe

A-7INSTALLATION LN-25™ PRO ACROSS THE ARC MODELA-7CV Power Sources with Stud Connectors and noRemote/Local Switch. (See Figure A.7)Place CV/CC switc

A-8INSTALLATION LN-25™ PRO ACROSS THE ARC MODELA-8CV Power Source with Twist-Mate Connectors andno Remote/Local Switch. (See Figure A.9)Place CV/CC

B-1OPERATIONLN-25™ PRO ACROSS THE ARC MODELB-1• ELECTRIC SHOCK CAN KILL.Unless using COLD FEED fea-ture, when feeding with gun trig-ger, the electrode

B-2OPERATIONB-2LN-25™ PRO ACROSS THE ARC MODELDEFINITION OF WELDING TERMSWFS• Wire Feed SpeedCC• Constant CurrentCV• Constant VoltageGMAW• Gas Metal A

B-3OPERATIONB-31. ANALOG VOLTMETERThe analog voltmeter shows the voltage betweenelectrode and work. On across the arc models, thevoltmeter shows open

Maximum WFSStandard SpinGearing280340440520600Maximum WFS(Extra TorqueGearing)210235400400400Minimum Arc Volts15 V17 V21 V24 V27 VB-4OPERATIONB-42. WI

FOR ENGINEpowered equipment.1.a. Turn the engine off before troubleshooting and maintenancework unless the maintenance work requires it to be running.

B-5OPERATIONB-5LN-25™ PRO ACROSS THE ARC MODEL3. 5-PIN GUN TRIGGER CONNECTOR4. WORK SENSE LEAD5. THERMAL LED, MOTOR OVERLOADThe thermal light illumina

B-6OPERATIONB-6INTERNAL CONTROLSLN-25™ PRO ACROSS THE ARC MODEL1 2 Step Trigger Interlock Switch2 CV / CC Switch3 Pressure Adjustment Arm4 Optiona

B-7OPERATIONB-7INTERNAL CONTROLS DESCRIPTION(See Figure B.2)2 Step - Trigger Interlock SwitchThe 2 Step - Trigger Interlockswitch changes the function

B-8OPERATIONB-8LN-25™ PRO ACROSS THE ARC MODELCONSTANT CURRENT WIRE WELDING (See Figure B.3)Most semiautomatic welding processes perform betterusing c

B-9OPERATIONB-9REAR CONTROLS:LN-25™ PRO ACROSS THE ARC MODEL1 Gas Purge Pushbutton2 Flow Meter Ball4 Shielding Gas Inlet3 Flow Meter Valve6 Optional W

B-10OPERATIONB-10GAS PURGE PUSHBUTTONThe gas solenoid valve will energize but neither thepower source output nor the drive motor will be turnedon. Th

C-1ACCESSORIESC-1LN-25™ PRO ACROSS THE ARC MODELWIRE TYPESteel Wires:Cored Wires:Aluminum Wires:ELECTRODE SIZE.023-.030 (0.6-0.8mm).035 (0.9mm).045 (1

C-2ACCESSORIESC-2LN-25™ PRO ACROSS THE ARC MODELK1796-xxK2593-xxK1803-1K1840-xxK1842-xxAWG 1/0 Co-Axial Power CableAWG #1 Coaxial Power Cable Work and

C-3ACCESSORIESC-3LN-25™ PRO ACROSS THE ARC MODELK1797-xxK2335-1K484K1520-1(requires DigitalMeter/remotecontrol kit)K1798(requiresremote controlkitCont

C-4ACCESSORIESC-4LN-25™ PRO ACROSS THE ARC MODELK910-1K910-2K1500-1K1500-2K1500-3Ground ClampGround ClampGun Receiver Bushing (for gunswith K466-1 Lin

iiSAFETYiiARC RAYS can burn.4.a. Use a shield with the proper filter and coverplates to protect your eyes from sparks andthe rays of the arc when weld

C-5ACCESSORIESC-5LN-25™ PRO ACROSS THE ARC MODELK1500-4K1500-5K489-7K435K468K590-6K586-1Gun Receiver Bushing (for gunwith K466-3 Lincoln gun connec-to

C-6ACCESSORIESC-6LN-25™ PRO ACROSS THE ARC MODELINSTALLATION OF THE K590-6 WATERCOOLING KITELECTRIC SHOCK can kill.• Turn the input power OFF at the d

ELECTRIC SHOCK can kill.• Turn the input power OFF at thewelding power source beforeinstallation or changing driverolls and/or guides.•Do not touch el

D-2MAINTENANCED-2The LN-25™ PRO flow meter cannot be calibrated. Ifthe flow meter reads incorrectly, check for leaks orkinks in the gas hose. Repla

E-1TROUBLESHOOTINGE-1LN-25™ PRO ACROSS THE ARC MODELIf for any reason you do not understand the test procedures or are unable to perform the tests/rep

E-2TROUBLESHOOTINGE-2LN-25™ PRO ACROSS THE ARC MODELObserve all Safety Guidelines detailed throughout this manualIf for any reason you do not understa

E-3TROUBLESHOOTINGE-3LN-25™ PRO ACROSS THE ARC MODELObserve all Safety Guidelines detailed throughout this manualIf for any reason you do not understa

E-4TROUBLESHOOTINGE-4LN-25™ PRO ACROSS THE ARC MODELObserve all Safety Guidelines detailed throughout this manualIf for any reason you do not understa

F-1DIAGRAMSF-1LN-25™ PRO ACROSS THE ARC MODELNOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manu

F-2DIAGRAMSF-2LN-25™ PRO ACROSS THE ARC MODELNOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manu

iiiSAFETYiiiFOR ELECTRICALLYpowered equipment.8.a. Turn off input power using the disconnectswitch at the fuse box before working onthe equipment.8.b.

F-3DIMENSION PRINTF-3LN-25™ PRO ACROSS THE ARC MODEL17.198.6516” CIRCLE12” x 18” ELLIPSE23.1714.8117.198.6516” CIRCLE12” x 18” ELLIPSE23.1714.81

NOTES LN-25™ PRO ACROSS THE ARC MODEL

WARNINGAVISO DEPRECAUCIONATTENTIONWARNUNGATENÇÃOSpanishFrenchGermanPortugueseJapaneseChineseKoreanArabicREAD AND UNDERSTAND THE MANUFACTURER’S INSTRUC

WARNINGAVISO DEPRECAUCIONATTENTIONWARNUNGATENÇÃOSpanishFrenchGermanPortugueseJapaneseChineseKoreanArabicLEIA E COMPREENDA AS INSTRUÇÕES DO FABRICANTE

• Sales and Service through Subsidiaries and Distributors Worldwide •Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB 

ivSAFETYivPRÉCAUTIONS DE SÛRETÉPour votre propre protection lire et observer toutes les instructionset les précautions de sûreté specifiques qui parra

vvThank Youfor selecting a QUALITY product by Lincoln Electric. We want youto take pride in operating this Lincoln Electric Company product••• as much

vivi TABLE OF CONTENTSPage––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––Installation...

A-1INSTALLATION A-1LN-25™ PRO ACROSS THE ARC MODELTEMPERATURE RANGEOPERATION: -40°F to 104°F (-40°C to 40°C)STORAGE: -40°F to 185°F (-40°C to 85°C)

WELD CABLE SIZETable A.1 located below are copper cable sizes rec-ommended for different currents and duty cycles.Lengths stipulated are the distance