LN-25 PORTABLE CV/CCSEMIAUTOMATIC WIRE FEEDEROPERATING MANUALIM359-GFebruary, 1998For use with machines having Code Number 102311023210233Safety Depe
LN-25A-3c. Set ELECTRODE POLARITY switch to constantvoltage polarity required by electrode.d. Set toggle switch to “Constant Voltage” and setthe Const
LN-25A-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 3⁄
LN-25B-1ELECTRIC SHOCK can kill.• Do not touch electrically livepart or electrode with skin orwet clothing.• Insulate yourself from workand ground.• A
LN-25B-2OPERATIONVOLTMETER(Factory installed on model Codes above 9218)The 40V DC analog voltmeter is mounted to the frontcontrol panel of the LN-25 a
LN-25B-3wire speed is set to 400 in/min., a welding procedurearc voltage of at least 17V would be required toobtain the 400 in/min. wire feed speed.WO
LN-25B-4OPERATIONg. To remove Readi-Reel from Adapter, depress re-taining spring tab with thumb while pulling theReadi-Reel cage from the molded adapt
LN-25B-5LOADING WIRE DRIVEa. Turn the reel or spool until the free end of theelectrode is accessible.b. While tightly holding the electrode, cut off t
LN-25B-6OPERATION3. If the only result is drive roll slippage, shut offthe power source, then loosen the gun cableclamping screw in the gearbox conduc
LN-25B-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 11
LN-25B-8ARC RAYS can burn.• Do not touch metal por-tions of the LN-25 leadClip when welding powersource is on.OPERATIONCYLINDER may explode ifdamaged.
FOR ENGINEpowered equipment.1.a. Turn the engine off before troubleshooting and maintenancework unless the maintenance work requires it to be running.
LN-25B-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 intern
LN-25C-1LN-25 OPTION CHARTO=CANNOT BE USED WITH X = REQUIRED ➀ = REQUIRES ONE OF THESE + = INCLUDED WITHSolenoidK430-1KitX++Remote OutputK431-1Con
LN-25C-2OPTIONAL ACCESSORIESELECTRIC SHOCK can kill.• Do not operate with coversremoved.• Turn off power source beforeinstalling or servicing.• Do not
LN-25C-3Installation instructions (M17590) are included withthis kit.K460-1 PULSE POWER ADAPTER KIT (For use with K461 Pulse Power Control Cable.)This
LN-25C-4ACCESSORIESThe Remote Box provides the proper welding powersource control interface and isolated 24V AC inputsupply for the LN-25 equipped wit
LN-25C-5ACCESSORIESK444, K444-1 OR K444-2 REMOTE VOLTAGECONTROL KIT (Not required if using K431-1 or K624-1 RemoteOutput Control Kit or K460-1 Pulse
LN-25C-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 Dr
LN-25D-1ELECTRIC SHOCK can kill.• Do not operate with coversremoved.• Turn off power source beforeinstalling or servicing.• Do not touch electrically
LN-25D-2device is not screwed in far enough, the LN-25 motorspeed could be unstable or run at full speed with nocontrol. If screwed in too far, it wil
LN-25E-1HOW TO USE TROUBLESHOOTING GUIDEService and Repair should only be performed by Lincoln Electric Factory Trained Personnel. Unauthorized repair
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-2TROUBLESHOOTINGPROBLEMS(SYMPTOMS)No wire feed when gun trigger ispulledPOSSIBLE AREAS OFMISADJUSTMENT(S)1. Power source must be onand open cir
LN-25E-3TROUBLESHOOTINGRough wire feeding or wire notfeeding but drive rolls turning.1. Gun cable kinked and/ortwisted.2. Wire jammed in gun and cable
LN-25E-4TROUBLESHOOTINGSolenoid does not close whentrigger is pulled or purge buttonis pressed. Wire feeds properly.1. Make certain that plugs J2and J
LN-25F-1WIRING DIAGRAM
LN-25F-2LN-25 PHYSICAL DIMENSIONS16.6014.0021.007.40.25DIMENSIONS4/96
FOR ELECTRICALLYpowered equipment.8.a. Turn off input power using the disconnectswitch at the fuse box before working onthe equipment.8.b. Install equ
ivSAFETYivPRÉCAUTIONS DE SÛRETÉPourvotre propre protection lire et observer toutes les instructionset les précautions de sûreté specifiques qui parrai
LN-25Thank Youfor selecting a QUALITY product by Lincoln Electric. We wantyou to take pride in operating this Lincoln Electric Companyproduct ••• as m
LN-25SAFETY ...
TEMPERATURE RANGEOPERATION: - 40oC to +40oC (- 40oF to +104oF)STORAGE: - 40oC to +85oC (- 40oF to +185oF)LN-25A-1OPERATING ARC VOLTAGEConstant Voltage
LN-25A-2INSTALLATIONELECTRIC SHOCK can kill.• Do not operate with coversremoved.• Turn off power source beforeinstalling or servicing.• Do not touch e
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