Lincoln Electric LN-25 User Manual

LN-25 PORTABLE CV/CCSEMIAUTOMATIC WIRE FEEDEROPERATING MANUALIM620-BNovember, 2006For use with machines having Code Number 10556 1114410557 111451055

LN-25A-3A-3c. Set ELECTRODE POLARITY switch to constantvoltage polarity required by electrode.d. Set toggle switch to “Constant Voltage” and setthe Co

LN-25A-4A-4INSTALLATIONInstall the barbed fitting and union nut to the 58-18female inert gas fitting on the front panel of theLN-25 case. Connect the

LN-25B-1B-1ELECTRIC SHOCK can kill.• Do not touch electrically livepart or electrode with skin orwet clothing.• Insulate yourself from workand ground.

LN-25B-2B-2OPERATIONVOLTMETER(Factory installed on model Codes above 9218)The 40V DC analog voltmeter is mounted to the frontcontrol panel of the LN-2

LN-25B-3B-3The volts marks around the HI range calibrated dialindicate the minimum arc volts required to obtain theindicated HI range wire feed speeds

LN-25B-4B-4OPERATIONg. To remove Readi-Reel from Adapter, depress re-taining spring tab with thumb while pulling theReadi-Reel cage from the molded ad

LN-25B-5B-5LOADING WIRE DRIVEa. Turn the reel or spool until the free end of theelectrode is accessible.b. While tightly holding the electrode, cut of

LN-25B-6B-6OPERATION3. If the only result is drive roll slippage, shut offthe power source, then loosen the gun cableclamping screw in the gearbox con

LN-25B-7B-7Arc Volts UsedDesiredIn/Min 16 18 20 22 24 26 28 30 32 3450 109 97 88 80 73 67 63 58 55 5160 131 117 105 95 88 81 75 70 66 6270 153 136 123

For CV: Set dial to the calibrated IN/MINdesired. (Refer to Setting Constant Wire FeedSpeed Section.)For CC: Set dial to value determined from theCC W

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

LN-25B-9B-9OPERATIONDo not use LN-25 models below Code 9200 withany TIG or Square Wave welding power sources.Do not use LN-25 models equipped with int

C-1C-1LN-25 OPTION CHARTO=CANNOT BE USED WITH X = REQUIRED ➀ = REQUIRES ONE OF THESE + = INCLUDED WITHSolenoidK430-2KitX++Remote OutputK431-1Contr

C-2LN-25C-2OPTIONAL ACCESSORIESELECTRIC SHOCK can kill.• Do not operate with coversremoved.• Turn off power source beforeinstalling or servicing.• Do

C-3LN-25C-3K460-1 PULSE POWER ADAPTER KIT (For use withK461 Pulse Power Control Cable.)(No Longer Available)This kit enables the LN-25 to pulse weld w

LN-25C-4C-4ACCESSORIESThe Kit includes a Remote PC board and controlcable receptacle which mount and connect inside theLN-25 control box per the Insta

LN-25C-5C-5ACCESSORIESThe cable assembly end with the socket pinconnector connects to the LN-25 per the Instructions(M17253) included with the K624-1

LN-25C-6C-6ACCESSORIES“A Dia. Hole”To be Concentric to .749/.747Wire Size Dia. Within .008 F.I.M..068 thru 564 .125 (18 Drill)116 (.062) .078 (564

LN-25D-1D-1ELECTRIC SHOCK can kill.• Do not operate with coversremoved.• Turn off power source beforeinstalling or servicing.• Do not touch electrical

LN-25D-2D-21. Be sure all power to the LN-25 is shut off at thepower source.2. Check that the module mounting plate is screwedsecurely to the side of

LN-25E-1E-1TROUBLESHOOTINGIf for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact yourL

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

LN-25E-2E-2TROUBLESHOOTINGPROBLEMS(SYMPTOMS)No wire feed when gun trigger ispulledPOSSIBLECAUSE1. Power source must be onand open circuit voltage(OCV)

LN-25E-3E-3TROUBLESHOOTINGRough wire feeding or wire notfeeding but drive rolls turning.1. Gun cable kinked and/ortwisted.2. Wire jammed in gun and ca

LN-25E-4E-4TROUBLESHOOTINGSolenoid does not close whentrigger is pulled or purge buttonis pressed. Wire feeds properly.1. Make certain that plugs J2an

LN-25F-1F-1WIRING DIAGRAMNOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific di

WIRING DIAGRAMLN-25F-2F-2 NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The

DIMENSIONSLN-25F-3F-3LN-25 PHYSICAL DIMENSIONS16.6014.0021.007.40.25

LN-25NOTES

LN-25NOTES

WARNINGAVISO DEPRECAUCIONATTENTIONWARNUNGATENÇÃOSpanishFrenchGermanPortugueseJapaneseChineseKoreanArabicREAD AND UNDERSTAND THE MANUFACTURER’S INSTRUC

WARNINGAVISO DEPRECAUCIONATTENTIONWARNUNGATENÇÃOSpanishFrenchGermanPortugueseJapaneseChineseKoreanArabicLEIA E COMPREENDA AS INSTRUÇÕES DO FABRICANTE

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

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

ivSAFETYivMar. ‘93PRÉCAUTIONS DE SÛRETÉPour votre propre protection lire et observer toutes les instructions etles précautions de sûreté specifiques q

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

SAFETY ...

LN-25A-1TEMPERATURE RANGEOPERATION: - 40oC to +40oC (- 40oF to +104oF)STORAGE: - 40oC to +85oC (- 40oF to +185oF)A-1OPERATING ARC VOLTAGEConstant Volt

LN-25A-2A-2INSTALLATIONELECTRIC SHOCK can kill.• Do not operate with coversremoved.• Turn off power source beforeinstalling or servicing.• Do not touc