Lincoln Electric Power MIG 260 Operator's Manual
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Lincoln Electric Power MIG 260 Operator's Manual

For use with machines having code numbers: 12728
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Operator's Manual

Power MIG

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Date Purchased
Code: (ex: 10859)
Serial: (ex: U1060512345)
IM10464
| Issue D ate June-18
© Lincoln Global, Inc. All Rights Reserved.
260
®
For use with machines having Code Numbers:
12728
Need Help? Call 1.888.935.3877
to talk to a Service Representative
Hours of Operation:
8:00 AM to 6:00 PM (ET) Mon. thru Fri.
After hours?
Use "Ask the Experts" at lincolnelectric.com
A Lincoln Service Representative will contact you
no later than the following business day.
For Service outside the USA:
Email: globalservice@lincolnelectric.com

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Summary of Contents for Lincoln Electric Power MIG 260

  • Page 1: Power Mig

    Operator’s Manual Power MIG ® For use with machines having Code Numbers: 12728 Register your machine: Need Help? Call 1.888.935.3877 to talk to a Service Representative www.lincolnelectric.com/register Authorized Service and Distributor Locator: Hours of Operation: www.lincolnelectric.com/locator 8:00 AM to 6:00 PM (ET) Mon. thru Fri. Save for future reference After hours? Use “Ask the Experts”...
  • Page 2 THANK YOU FOR SELECTING A QUALITY PRODUCT BY KEEP YOUR HEAD OUT OF THE FUMES. DON’T get too close to the arc. LINCOLN ELEC TRIC. Use corrective lenses if necessary to stay a reasonable distance away from the arc. READ and obey the Safety Data PLEASE EXAMINE CARTON AND EQUIPMENT FOR Sheet (SDS) and the warning label DAMAGE IMMEDIATELY...
  • Page 3 W117.2-1974. A Free copy of “Arc Welding Safety” booklet E205 is available from the Lincoln Electric Company, 2.d. All welders should use the following procedures in order to 22801 St. Clair Avenue, Cleveland, Ohio 44117-1199.

  • Page 4: Electric Shock Can Kill

    SAFETY ELECTRIC SHOCK ARC RAYS CAN BURN. CAN KILL. 3.a. The electrode and work (or ground) circuits are 4.a. Use a shield with the proper filter and cover plates to protect your electrically “hot” when the welder is on. Do eyes from sparks and the rays of the arc when welding or not touch these “hot”...
  • Page 5 SAFETY WELDING AND CUTTING CYLINDER MAY EXPLODE IF SPARKS CAN CAUSE DAMAGED. FIRE OR EXPLOSION. 7.a. Use only compressed gas cylinders containing the correct shielding gas for the process used 6.a. Remove fire hazards from the welding area. If and properly operating regulators designed for this is not possible, cover them to prevent the welding sparks the gas and pressure used.
  • Page 6 PRÉCAUTIONS DE SÛRETÉ 5. Toujours porter des lunettes de sécurité dans la zone de soudage. Utiliser des lunettes avec écrans lateraux dans Pour votre propre protection lire et observer toutes les les zones où l’on pique le laitier. instructions et les précautions de sûreté specifiques qui par- raissent dans ce manuel aussi bien que les précautions de 6.

  • Page 7: Table Of Contents

    TABLE OF CONTENTS INSTALLATION .............................SECTION A TECHNICAL SPECIFICATIONS ............................A-1 UNCRATING ................................A-2 PRODUCT DESCRIPTION ............................A-2 LOCATION ................................A-2 TILTING ................................A-2 OUTPUT POLARITY CONNECTIONS ..........................A-2 INPUT POWER, GROUNDING AND CONNECTION DIAGRAM..................A-2 GUN AND CABLE INSTALLATION ..........................A-2 SHIELDING GAS .................................A-2 AUXILIARY POWER RECEPTACLES..........................A-2 OPERATION ..............................SECTION B RECOMMENDED PROCESSES AND EQUIPMENT ......................B-1 WELDING CAPABILITY..............................B-1 LIMITATIONS ................................B-1...
  • Page 8 ® POWER MIG INSTALLATION ® TECHNICAL SPECIFICATIONS – POWER MIG INPUT – SINGLE PHASE ONLY Standard Voltage/Phase/Frequency Input Current @ 200 Amp Rated Output Input Current @ 250 Amp Rated Output 208/230/460/575/1/60 Hz 50/46/23/19 Amps 56/53/27/22 Amps RATED OUTPUT Duty Cycle Amps Volts at Rated Amperes 250 Amps...

  • Page 9: Installation

    It combines a constant voltage power source and a constant speed wire feeder with a microcomputer-based The Power MIG 260 is not equipped with 460/575 volt 60 Hz plug, controller to form a reliable high performance welding system. A an input cable or a receptacle.

  • Page 10: Gun And Cable Installation

    FIGURE A.1 FIGURE A.5 3. The POWER MIG 260 is shipped with a 10 ft. NEMA R Type 6- 50N three prong plug and cable connected to the welder. Obtain a receptacle and mount it in a suitable location. Be sure it can be reached by the plug on the input cable attached to the welder.

  • Page 11: Shielding Gas

    ® POWER MIG INSTALLATION WARNING SHIELDING GAS [For Gas Metal Arc Welding(GMAW) Processes] Never stand directly in front of or behind the flow regulator when opening the cylinder valve. Always stand to one side. Customer must provide cylinder of appropriate type shielding gas for the process being used.

  • Page 12: Operation

    ® POWER MIG OPERATION OPERATION WELDING CAPABILITY ® The POWER MIG 260 is rated at 250 amps @ 26 volts, at a 40% SAFETY PRECAUTIONS duty cycle based on a ten minute cycle time. It is capable of higher duty cycles at lower output currents and capable of up to Read this entire section of operating instructions 300 Amps at lower duty cycles.

  • Page 13: Case Front Controls

    ® POWER MIG OPERATION CASE FRONT CONTROLS CASE BACK CONTROLS 1. Color LED Screen – Permits visualization of welding process and 1. Decal – serial number. parameters. The screen features a replaceable screen shield for 2. Decal – Input supply connection diagram protecting against dust &...

  • Page 14: Internal Controls

    DC negative polarity. Rotate connector clockwise to lock into place. 5. Thermal Breaker – The Power MIG 260 features a resettable 15 amp thermal breaker. If the current conducted through the breaker exceeds 15 amps for an extended period of time, the breaker will open and require manual reset.

  • Page 15: Wire Size Conversion Parts

    ® POWER MIG OPERATION ® WIRE REEL LOADING - READI REELS, SPOOLS OR The drive rolls installed with the POWER MIG 260 have two COILS grooves one for .035” (0.9mm) wire Solid Steel electrode and the other for .045” (1.1mm) wire. Drive roll size is stenciled on each To Mount a 30 Lb.

  • Page 16: To Start The Welder

    ® POWER MIG OPERATION To Mount 10 to 44 Lb. (4.5-20 kg) Spools (12"/300 mm Diameter) or 14Lb.(6 Kg) Innershield Coils: IDLE ROLL PRESSURE SETTING (For 13-14 lb. (6 Kg) Innershield coils, a K435 Coil Adapter must WARNING be used). ELECTRIC SHOCK can kill.

  • Page 17: Wire Drive Configuration

    ® POWER MIG OPERATION 8. Connect the shielding gas hose to the new gun bushing, if WIRE DRIVE CONFIGURATION required. (See Figure B.5) 9. Rotate the gun bushing until the thumb screw hole aligns with CHANGING THE GUN RECEIVER BUSHING the thumb screw hole in the feed plate.

  • Page 18: Display Operation

    ® POWER MIG OPERATION FIG B.4 - WELDING SCREEN DISPLAY OPERATION: FIG B.2 - 7” STARTUP SCREEN Steel Ar/CO2 22ga Ø0.025 144 14.9 15.0 Select Process Weld Settings 1. Current Settings Tool Bar --- It displays the weld settings used 2.
  • Page 19 ® POWER MIG OPERATION FIG B.6 - ADVANCE OPTIONS SCREEN FIG B.6 - SETTING SCREEN Remote Gun Pot Thickness 22ga Back Home Select Back Home Select 1. Material Thickness --- Select welding material thickness 1. Remote Gun Pot --- Disable or Enable Remote Gun Pot 2.

  • Page 20: Making A Weld

    ® POWER MIG OPERATION have proper surface lubrication. MAKING A WELD • Replace contact tip when the arc starts to become unstable or the contact tip end is fused or deformed. 1. Check that the electrode polarity is correct for the process being used, then turn the power switch ON.

  • Page 21: Options / Accessories

    ® POWER MIG ACCESSORIES OPTIONS / ACCESSORIES ALTERNATIVE MAGNUM GMAW GUN AND CABLE ASSEMBLIES DRIVE ROLL KITS ® The following Magnum PRO 250L gun and cable assembly is ® separately available for use with the POWER MIG 260. Each is Refer to Table C.1 for various drive roll kits that are available for rated 200 amps 60% duty cycle (or 250 amps 40% duty) and is the POWER MIG®...

  • Page 22: Connecting The Spool Gun To The Power Mig® 260

    ® POWER MIG ACCESSORIES CONNECTING THE SPOOL GUN TO THE MAKING A WELD WITH THE SPOOL GUN ® POWER MIG ® The POWER MIG 260 control circuitry is designed to sense either (See Figure C.1) the spool gun or (built in) wire feeder trigger circuitry. The spool gun can easily be plugged in and will be ready to use.

  • Page 23: Making A Weld With The Magnum Sg Spool Gun

    ® POWER MIG ACCESSORIES ® MAKING A WELD WITH THE MAGNUM SG SPOOL CONNECTING THE PUSH-PULL GUN ® Magnum PRO Al ® The POWER MIG 260 control circuitry is designed to sense either ® Magnum PRO Pistol the spool gun or (built in) wire feeder trigger circuitry. The spool ®...

  • Page 24: Maintenance

    ® POWER MIG MAINTENANCE MAINTENANCE • Adjust the gas nozzle as appropriate for the GMAW process to be used. Typically, the contact tip end should be flush to .12" (3.2 mm) extended for the short- circuiting transfer process and .12" (3.2 mm) recessed Safety Precautions for spray transfer.

  • Page 25: Liner Removal, Installation And Trimming Instructions For Magnum

    ® POWER MIG MAINTENANCE LINER REMOVAL, INSTALLATION AND TRIMMING GUN HANDLE DISASSEMBLY ® INSTRUCTIONS FOR MAGNUM PRO 250L The internal parts of the gun handle may be inspected or serviced NOTE: The variation in cable lengths prevents the interchange- if necessary. ability of liners between guns.

  • Page 26: Troubleshooting

    ® POWER MIG TROUBLESHOOTING TROUBLESHOOTING HOW TO USE TROUBLESHOOTING GUIDE WARNING Service and Repair should only be performed by Lincoln Electric Factory Trained Personnel. Unauthorized repairs performed on this equipment may result in danger to the technician and machine operator and will invalidate your factory warranty.
  • Page 27 ® POWER MIG TROUBLESHOOTING Observe all Safety Guidelines detailed throughout this manual PROBLEMS POSSIBLE AREAS OF RECOMMENDED (SYMPTOMS) MISADJUSTMENTS(S) COURSE OF ACTION OUTPUT PROBLEMS Major physical or electrical damage Do not plug in machine or turn it on. Contact your is evident.
  • Page 28 ® POWER MIG TROUBLESHOOTING Observe all Safety Guidelines detailed throughout this manual PROBLEMS POSSIBLE AREAS OF RECOMMENDED (SYMPTOMS) MISADJUSTMENTS(S) COURSE OF ACTION Output voltage and wire feed is present 1. Remove gun assembly from machine. If If all recommended possible areas of when gun trigger is not pulled (not problem is solved, gun assembly is misadjustment have been checked and the...
  • Page 29 ® POWER MIG TROUBLESHOOTING Observe all Safety Guidelines detailed throughout this manual PROBLEMS POSSIBLE AREAS OF RECOMMENDED (SYMPTOMS) MISADJUSTMENTS(S) COURSE OF ACTION The wire feed stops while welding. When 1. Check the wire feed drive rolls and motor trigger is released and pulled again the for smooth operation.

  • Page 30: Diagrams

    ® POWER MIG DIAGRAMS...
  • Page 31 ® POWER MIG DIAGRAMS...
  • Page 32 POWER MIG 260 DIAGRAMS This page intentionally left blank...
  • Page 33 POWER MIG 260 DIAGRAMS This page intentionally left blank...
  • Page 34 WARNING Do not touch electrically live parts or Keep flammable materials away. Wear eye, ear and body protection. electrode with skin or wet clothing. Insulate yourself from work and AVISO DE ground. Spanish PRECAuCION No toque las partes o los electrodos Mantenga el material combustible Protéjase los ojos, los oídos y el bajo carga con la piel o ropa moja-...
  • Page 35 WARNING Keep your head out of fumes. Turn power off before servicing. Do not operate with panel open or Use ventilation or exhaust to guards off. remove fumes from breathing zone. AVISO DE Spanish PRECAuCION Los humos fuera de la zona de res- Desconectar el cable de ali- No operar con panel abierto o piración.
  • Page 36 We respond to our customers based on the best information in our possession at that time. Lincoln Electric is not in a position to warrant or guarantee such advice, and assumes no liability, with respect to such information or advice.

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