Lincoln Electric POWER MIG 140 Operator's Manual
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Lincoln Electric POWER MIG 140 Operator's Manual

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Operator's Manual

POWER MIG

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www.lincolnelectric.com/register
Authorized Service and Distributor Locator:
www.lincolnelectric.com/locator
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Date Purchased
Code: (ex: 10859)
Serial: (ex: U1060512345)
IM890-B
| Issue D ate Feb-17
© Lincoln Global, Inc. All Rights Reserved.
®
140, 180 MODELS
For use with machines having Code Numbers:
11254, 11255, 11256, 11257,
11444, 12724
(AU)

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Summary of Contents for Lincoln Electric POWER MIG 140

  • Page 1: Power Mig

    Operator’s Manual ® POWER MIG 140, 180 MODELS (AU) For use with machines having Code Numbers: 11254, 11255, 11256, 11257, 11444, 12724 Register your machine: www.lincolnelectric.com/register Authorized Service and Distributor Locator: www.lincolnelectric.com/locator Save for future reference Date Purchased Code: (ex: 10859) Serial: (ex: U1060512345) IM890-B | Issue D ate Feb-17...
  • 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 MAGNETIC FIELDS MAY W117.2-1974. A Free copy of “Arc Welding Safety” booklet BE DANGEROUS E205 is available from the Lincoln Electric Company, 22801 St. Clair Avenue, Cleveland, Ohio 44117-1199. 2.a. Electric current flowing through any conductor BE SURE THAT ALL INSTALLATION, OPERATION, causes localized Electric and Magnetic Fields (EMF).

  • Page 4: Electric Shock Can Kill

    S FETY 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 S FETY 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 EN 60974-10 Electromagnetic Compatibility (EMC) Product Mains Supply Standard for Arc Welding Equipment. It is for use with other Lincoln Electric equipment. It is designed for industrial and Welding equipment should be connected to the mains supply professional use. according to the manufacturer’s recommendations. If interference...

  • Page 7: Table Of Contents

    POWER MIG 140 & 180 MODELS (AU) TABLE OF CONTENTS Page –––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– Installation....................... Section A Technical Specifications.................A-1, A-2 Safety Precautions....................A-3 Location......................A-3 Stacking......................A-3 Tilting.......................A-3 Identify and Locate Components................A-4 Operation......................Section B Safety and Product Description................B-1 Controls and Settings..................B-2, B-3 Drive Roll and Wire Guides Table.................

  • Page 8: Installation

    POWER MIG 140 & 180 MODELS (AU) 180 Amp units INSTALLATION (K2472-1 180T, K2473-1 180C) INPUT – SINGLE PHASE ONLY TECHNICAL SPECIFICATIONS Standard Voltage/Frequency Input Current 230 V 60 Hz 20 Amps @ rated output 208 V 60 Hz 20 Amps @ rated output...

  • Page 9: Technical Specifications

    POWER MIG 140 & 180 MODELS (AU) INSTALLATION 180 Amp units (K2668-1 180C) teChnICal sPeCIfICatIons INPUT – SINGLE PHASE ONLY Standard Voltage/Frequency Input Current 20 Amps 240 V 50 Hz 1 max 10.7 Amps 1 eff RATED OUTPUT Voltage/Duty Cycle...

  • Page 10: Location

    • POWER MIG 140 & 180 Models power switch is to be in the OFF (“O”) position when installing work cable and gun and when connecting power cord to input power.
  • Page 11 POWER MIG 140 & 180 MODELS (AU) INSTALLATION InCluded ComPonents Welding Guide LEARNING TO WELD Welding Safety Interactive Web Guide for mobile devices LTW1 © Lincoln Global, Inc. All Rights Reserved. INNER WIRE GUIDE INNER WIRE GUIDE OUTER WIRE GUIDE .025-.035 (.6-.9mm)

  • Page 12: Operation

    POWER MIG 140 & 180 MODELS (AU) OPERATION OPERATION ProduCt desCrIPtIon (ProduCt CaPaBIlItIes) SAFETY PRECAUTIONS These small portable wire feed welders are capable of MIG welding on steel, stainless steel, and aluminum. They are also Read entire operation section before operating capable of flux-cored welding on mild steel.

  • Page 13: Controls And Settings

    POWER MIG 140 & 180 MODELS (AU) OPERATION Controls and settIngs This machine has the following controls: (See Figure B.2) (See Figure B.1) 4. GUN TRIGGER – Pressing the trigger activates the wire drive 1. POWER SWITCH – Turns power on and off to the machine.
  • Page 14 POWER MIG 140 & 180 MODELS (AU) OPERATION (See Figure B.3) (See Figure B.5) 8. WELDING GUN CONNECTOR BUSHING & THUMBSCREW – 11. WIRE DRIVE & COMPONENTS – Feeds wire from the wire Provides electrical power to the welding gun. The spool through the drive and through the welding gun to the thumbscrew holds the welding gun into the connector block.

  • Page 15: Drive Roll And Wire Guides Table

    POWER MIG 140 & 180 MODELS (AU) OPERATION TABLE B.1 DRIVE ROLL AND WIRE GUIDES Drive Roll Part Inner Wire Guide Wire Diameter & Type Drive Roll Inner Wire Guide Number Part Number .025”(0.6mm) MIG wire .025”/.030” (0.6mm/0.8mm) KP2529-1 Smooth Drive Roll .030”(0.8mm) MIG wire...

  • Page 16: Setting Up And Making A Flux-Cored Weld

    POWER MIG 140 & 180 MODELS (AU) OPERATION B. Connect leads and cables on the machine settIng uP and maKIng a flux-Cored Weld (See Figure B.7) A. Items needed for flux cored welding 1. Open the case side door 1. 035”(0.9mm) Contact Tip 2.
  • Page 17 POWER MIG 140 & 180 MODELS (AU) OPERATION C. load Wire spool (See Figure B.9) 9. Feed the wire through the wire drive inlet along the inner wire (See Figure B.8) guide groove and into the wire drive outlet on the gun side.
  • Page 18 POWER MIG 140 & 180 MODELS (AU) OPERATION FIGURE B.11 (See Figure B.10) 12. Remove the nozzle from the gun and contact tip and FIGURE B.10 straighten the gun out flat. PLUG IN POWER INPUT CORD ON/OFF SWITCH NR-211-MP NR-211-MP...
  • Page 19 POWER MIG 140 & 180 MODELS (AU) OPERATION settIng uP and maKIng a mIg Weld A. Items needed for MIG welding 1. 025”(0.6mm) Contact Tip 2. Copper gun nozzle .025 3. .025”(0.6mm) Drive Roll 4. 025”-035”(0.6mm-0.9mm) Inner wire guide 5. .025”(0.6mm) SuperArc L-56 Solid MIG Wire 6.

  • Page 20: Shielding Gas

    POWER MIG 140 & 180 MODELS (AU) OPERATION FIGURE B.13 B. Install shielding gas MIG welding requires an appropriate bottle of shielding gas. For mild steel either a cylinder bottle of Ar/CO or 100% CO can be used. Refer to the following instructions to properly connect shielding gas to the machine.
  • Page 21 POWER MIG 140 & 180 MODELS (AU) OPERATION C. Connect leads and cables on the machine D. Load Wire Spool (See Figure B.14) (See Figure B.15) 1. Open the case side door. 1. Locate the 4"(102mm) diameter spool of .025”(0.6mm) L-56 solid MIG wire and place onto wire spool spindle.
  • Page 22 POWER MIG 140 & 180 MODELS (AU) OPERATION FIGURE B.16 WARNING TOP DRIVE ROLL PRESSED AGAINST MOVING PARTS AND ELECTRICAL TENSION ADJUSTOR LOWER DRIVE ROLL LOCKED IN POSITION CONTACT CAN CAUSE INJURY OR BE FATAL. • When the gun trigger is depressed drive rolls, spool of wire and electrode are ELECTRICALLY LIVE (HOT).

  • Page 23: Setting Up And Making A Aluminum Weld

    POWER MIG 140 & 180 MODELS (AU) OPERATION 17. Trim the wire stickout to 3/8”(9.5mm) from the nozzle FIGURE B.19 end. (See Figure B.19) settIng uP and maKIng a alumInum Weld usIng sPool gun TRIM WIRE 1. Disconnect Magnum 100L Gun.

  • Page 24: Accessories

    POWER MIG 140 & 180 MODELS (AU) ACCESSORIES ACCESSORIES K3269-1 - Magnum PRO 100SG Spool Gun K2525-1 - Spot Timer Kit Designed to easily feed small 4" diameter (1lb. spools of) .030 or Timer kit, when turned on, allows you to set a fixed weld time so .035 aluminum wire.
  • Page 25 POWER MIG 140 & 180 MODELS (AU) ACCESSORIES K520—Utility Cart Heavy duty cart stores and transports welder, 150 cubic foot shielding gas cylinder, welding cables and accessories. Includes stable platforms for welder and gas bottle platform, lower tray for added storage capacity and adjustable height handle.
  • Page 26 POWER MIG 140 & 180 MODELS (AU) ACCESSORIES K2275-1 - Welding Cart Lightweight cart stores and transports welder, 80 cubic foot shielding gas cylinder, welding cables and accessories. Includes an angled top shelf for easy access to controls, lower tray for added storage capacity, a sturdy fixed handle and convenient cable wrap hanger.

  • Page 27: Maintenance

    No user serviceable parts inside! Do not attempt to perform may be adhering to the wall of the hole through the tip. service in the power source (fixed) side of POWER MIG 140 & 180 Models. Take the unit to an authorized Lincoln Service Center 2.

  • Page 28: Overload Protection

    The circuit breaker must be manually reset. thermal Protection Set Screw POWER MIG 140 & 180 Models have a rated output duty cycle as Gas Nozzle or defined in the Technical Specification page. If the duty cycle is Gasless Nozzle...

  • Page 29: Troubleshooting

    POWER MIG 140 & 180 MODELS (AU) 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 30 POWER MIG 140 & 180 MODELS (AU) TROUBLESHOOTING Observe all Safety Guidelines detailed throughout this manual PROBLEMS POSSIBLE RECOMMENDED (SYMPTOMS) CAUSE COURSE OF ACTION OUTPUT PROBLEMS Major physical or electrical damage is “Do not Plug in machine or turn it on”.
  • Page 31 POWER MIG 140 & 180 MODELS (AU) TROUBLESHOOTING Observe all Safety Guidelines detailed throughout this manual PROBLEMS POSSIBLE RECOMMENDED (SYMPTOMS) CAUSE COURSE OF ACTION GAS FLOW PROBLEMS Low or no gas flow when gun trigger is 1. Check gas supply, flow regulator and If all recommended possible areas of pulled.
  • Page 32 POWER MIG 140 & 180 MODELS (AU) DIAGRAMS NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diagram for a particular code is pasted inside the machine on one of the enclosure panels.
  • Page 33 POWER MIG 140 & 180 MODELS (AU) DIAGRAMS NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diagram for a particular code is pasted inside the machine on one of the enclosure panels.
  • Page 34 POWER MIG 140 & 180 MODELS (AU) DIAGRAMS...
  • Page 35 Power MIG 180C (AU) - 12724...
  • Page 36 Index of Sub Assemblies - 12724 PART NUMBER DESCRIPTION P-1123-A INDEX OF SUB ASSEMBLIES P-1123-B.2 MISCELLANEOUS ITEMS P-1123-C GENERAL ASSEMBLY P-1123-D POWER MODULE ASSEMBLY P-1123-E CENTER PANEL ASSEMBLY P-1123-F WIRE DRIVE ASSEMBLY P-1123-G WRAPAROUND & DOOR ASSEMBLY Power MIG 180C (AU) - 12724...
  • Page 37 Index of Sub Assemblies - 12724 P-1123-A.jpg Power MIG 180C (AU) - 12724...
  • Page 38 Miscellaneous Items PART NUMBER DESCRIPTION 9SS18250-909 PLUG & LEAD ASBLY 9SS18250-944 PLUG & LEAD ASBLY 9SS18250-917 PLUG & LEAD ASBLY 9SS11609-30 GROUND LEAD 9SM12033 GROUND CLAMP ASBLY 9SS26375 INSTRUCTION DVD 9SM15445-1 WIRE REEL SPINDLE 9S3000330 REGULATOR 9SS19303-3 GAS HOSE ASBLY K530-6 MAGNUM 100L 10FT 025-035 W/4 PIN TRIGGER Power MIG 180C (AU) - 12724...
  • Page 39 Miscellaneous Items No Image Power MIG 180C (AU) - 12724...
  • Page 40 General Assembly PART NUMBER DESCRIPTION 9SG4812-1 CASE FRONT 9SS9225-63 THREAD FORMING SCREW (CUTTING) 9SL13921-2 NAMEPLATE 9SS18425-1 KNOB 9ST10940-10 3/8-32HJN 9ST9695-5 LOCKWASHER 9SS8025-96 SELF TAPPING SCREW 9ST10800-59 SWITCH 9SS18657 SQUARE FLANGE FEMALE RECEPTACLE 9SS8025-96 SELF TAPPING SCREW 9SL12230-4 CONTROL PC BOARD (CONTINUOUS) 9SM20483 HANDLE 9SS9225-63...
  • Page 41 General Assembly P-1123-C.jpg Power MIG 180C (AU) - 12724...
  • Page 42 Power Module Assembly PART NUMBER DESCRIPTION 9SG4716-3 POWER MODULE ASSEMBLY 9SG4715 CHASSIS 9SL12307 RECTIFIER 230V 9SS13490-220 CAPACITOR 9SG4808-3 TRANSFORMER AND CHOKE ASBLY 9SS18977-5 9SS9225-8 THREAD FORMING SCREW (ROLLING) 9SCF000198 1/4-28HN 9SS9262-98 PLAIN WASHER 9SE106A-2 LOCKWASHER Power MIG 180C (AU) - 12724...
  • Page 43 Power Module Assembly P-1123-D.jpg Power MIG 180C (AU) - 12724...
  • Page 44 Center Panel Assembly PART NUMBER DESCRIPTION 9SL12322-2 CENTER PANEL ASSEMBLY 9SL12321-2 CENTER PANEL 9ST10781-10 BOW WASHER 9SS18423-1 BRAKE PLATE 9SS24227-1 SPINDLE SHAFT 9SS24226 SPINDLE SPACER 9ST9968-5 WING NUT 9SS9262-120 PLAIN WASHER 9SE106A-16 LOCKWASHER 9SCF000018 3/8-16X.625HHCS 9SS8025-101 SELF TAPPING SCREW 9SL12555-1 POLARITY PANEL 9SS25937 OUTPUT STUD...
  • Page 45 Center Panel Assembly P-1123-E.jpg Power MIG 180C (AU) - 12724...
  • Page 46 Wire Drive Assembly PART NUMBER DESCRIPTION 9SL12379-8 WIRE DRIVE FINAL ASBLY 9ST13776-5 HOSE ELBOW KP2531-2 .045 STEEL WIRE GUIDE KIT 9SS26234-1 DRIVE ROLL GEAR 9SM20860 9SS26238 TWIST LOCK 9ST14731-109 SCREW KP2529-3 .030/.045 KNURLED DRIVE ROLL KIT 9ST13858-4 MOLDED HAND SCREW 9SS26899 OUTER WIRE GUIDE ASBLY 9SS26237...
  • Page 47 Wire Drive Assembly P-1123-F.jpg Power MIG 180C (AU) - 12724...
  • Page 48 Wraparound & Door Assembly PART NUMBER DESCRIPTION 9SM20452-3 WRAPAROUND & DOOR ASBLY 9SL12320-1 DOOR 9SG4719-1 CASE SIDE 9SS25898-1 HINGE (DOOR) 9SS25898-2 HINGE (PANEL) 9SS8025-92 SELF TAPPING SCREW 9SS21033 DOOR LATCH 9SS22127-1 DECAL-WARRANTY 9SS27368-2 DECAL - 7IN LINCOLN LOGO 9SM20410-2 WIRING DIAGRAM 9SM16196-3 WARNING DECAL 9ST10397-19...
  • Page 49 Wraparound & Door Assembly P-1123-G.jpg Power MIG 180C (AU) - 12724...
  • Page 50 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 51 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 52 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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