Lincoln Electric 11779 Operator's Manual
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Lincoln Electric 11779 Operator's Manual

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Operator's Manual
LN-25
TM
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www.lincolnelectric.com/register
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Save for future reference
Date Purchased
Code: (ex: 10859)
Serial: (ex: U1060512345)
IM10092
| Issue D ate 04/2011
© Lincoln Global, Inc. All Rights Reserved.
PIPE
For use with machines having Code Numbers:
11779

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Summary of Contents for Lincoln Electric 11779

  • Page 1 Operator’s Manual LN-25 PIPE For use with machines having Code Numbers: 11779 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) IM10092 | Issue D ate 04/2011...
  • 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 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 2004/108/EC. It was manufactured in conformity with a national standard that implements a harmonized standard: EN 60974-10 Electromagnetic Compatibility (EMC) Product Standard for Arc Welding Equipment. It is for use with other Lincoln Electric equipment. It is designed for industrial and professional use. Introduction All electrical equipment generates small amounts of electromagnetic emission.
  • Page 7 SAFETY Electromagnetic Compatibility (EMC) The size of the surrounding area to be considered will depend on the structure of the building and other activities that are taking place. The surrounding area may extend beyond the boundaries of the premises. Methods of Reducing Emissions Mains Supply Welding equipment should be connected to the mains supply according to the manufacturer’s recommenda- tions.

  • Page 8: Table Of Contents

    viii TABLE OF CONTENTS viii Page –––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– Installation........................Section A Technical Specifications.......................A-1 Safety Precautions .......................A-2 Location ..........................A-2 High Frequency Protection....................A-2 Weld cable Sizes ........................A-2 Analog Control Cable ......................A-3 Cable Connections and Control Cable Connector ...............A-4 Shielding Gas Connection....................A-4 Wire Drive Configuration ......................A-5 Changing The Gun Receiver Bushing................A-5 Procedure to Install Drive Rolls and Wire Guides ..............A-5 Pressure Arm Adjustment ....................A-5...

  • Page 9: Installation

    INSTALLATION TECHNICAL SPECIFICATIONS – LN-25™ PIPE (K2614-10) INPUT VOLTAGE and CURRENT INPUT VOLTAGE ± 10% INPUT AMPERES 40 VDC RATED OUTPUT @ 104°F (40°C) DUTY CYCLE INPUT AMPERES 60% rating 100% rating GEARING - WIRE FEED SPEED RANGE-WIRE SIzE GMAW FCAW GEARING WIRE SIzES...

  • Page 10: Safety Precautions

    INSTALLATION SAFETY PRECAUTIONS The LN-25™ PIPE is rated IP23 and is suitable for outdoor use. WARNING The handle of the LN-25™ PIPE is intended for moving the wire feeder about the work place only. ELECTRIC SHOCK CAN KILL. • Turn the input power OFF at the When suspending a wire feeder, insulate the disconnect switch or fuse box hanging device from the wire feeder enclosure.

  • Page 11: Shielding Gas Connection

    INSTALLATION SHIELDING GAS CONNECTION CABLE CONNECTIONS WARNING There is one circular connector for the gun trigger on the front of the LN-25™ PIPE . CYLINDER may explode if damaged. • Keep cylinder upright and chained to support. Function Wiring • Keep cylinder away from areas where it may be 5-pin trigger 5 volt supply damaged.

  • Page 12: Wire Drive Configuration

    INSTALLATION WIRE DRIVE CONFIGURATION 8. Connect the shielding gas hose to the new gun bushing, if required. (See Figure A.2) CHANGING RECEIVER 9. Rotate the gun bushing until the thumb screw hole BUSHING aligns with the thumb screw hole in the feed plate. Slide the gun receiver bushing into the wire drive WARNING and verify the thumb screw holes are aligned.

  • Page 13: Pressure Arm Adjustment

    INSTALLATION PRESSURE ARM ADJUSTMENT 1. Squeeze the release bar on the retaining collar and remove it from the spindle. WARNING 2. Place the spindle adapter on the spindle, aligning the spindle brake pin with the hole in the adapter. ELECTRIC SHOCK can kill. •...

  • Page 14: Power Source To Ln-25™ Pipe Connection Diagrams

    INSTALLATION POWER SOURCE TO LN-25™ PIPE CABLE CONNECTION DIAGRAMS Power Sources with Stud Connectors and Remote/Local Switch (See Figure A.6) FIGURE A.6 CV-400 CV-655 DC-400 LN-25™ PIPE DC-600 Electrode DC-655 (Across the Arc) V450-Pro SAE 400 with CV adapter Work clip Engine Driven welder with Description Wire Feed Module...
  • Page 15 INSTALLATION CV Power Source with Twist-Mate Connectors and Remote/Local Switch. (See Figure A.8) FIGURE A.8 LN-25™ PIPE CV-305 Electrode V350-Pro Work clip Work Description Place CV/CC switch in the feeder in the "CV" position. K2614-10 LN-25™ PIPE KP1695-XX KP1696-XX Drive Roll Kit KP1697-XX See Magnum Literature Welding Gun...
  • Page 16 INSTALLATION ELECTRODE CONNECTION 4. Route the electrode lead through the feeder as shown. The LN-25™ PIPE (CCC) does not include the elec- 5. Assemble the bolt, leads and washers as shown. trode cable. The customer is to install an AWG 2/0 to Discard the extra washers.

  • Page 17: Operation

    OPERATION SAFETY PRECAUTIONS GRAPHIC SYMBOLS THAT APPEAR ON THIS MACHINE OR IN THIS MANUAL READ AND UNDERSTAND ENTIRE SECTION BEFORE OPERATING MACHINE. INPUT POWER WARNING • ELECTRIC SHOCK CAN KILL. Unless using COLD FEED fea- ture, when feeding with gun trig- ger, the electrode and drive mechanism are always electri- cally energized and could...

  • Page 18: Definition Of Welding Terms

    OPERATION DEFINITION OF WELDING TERMS General Functional Description The LN-25™ PIPE as designed is a simple, robust feeder. Standard features include a calibrated wire feed speed dial, 2 step/trigger interlock switch, Gas • Wire Feed Speed Purge and Cold Feed. RECOMMENDED PROCESSES •...

  • Page 19: Case Front Controls

    For best results, keep the gun cable and conduit as straight as possible. Perform regular maintenance Voltage LED and cleaning on the gun liner, conduit and gun. Set-up Push Button Always use quality electrode, such as L-50 or L-56 from Lincoln Electric. LN-25™ PIPE...
  • Page 20 OPERATION POWER-UP SEQUENCE SET-UP MENU Preparation for WFS Calibration: All of the LED’s will briefly illuminate during power-up. If the gun trigger is activated during power up, the feeder will not operate until the gun trigger is released. • Place the CV/CC switch in CV. WIRE FEED SPEED/AMPERAGE DISPLAY •...
  • Page 21 OPERATION WIRE FEED SPEED UNITS WFS CALIBRATION WITH DIGITAL METERS To change the wire feed speed units: Rotate the WFS knob to the left To calibrate the wire feed speed, before entering the to use “inches/minute” for the set-up menu. When first entering WFS Calibration, wire feed speed units.
  • Page 22 OPERATION LEFT DISPLAY SELECTION AMPERAGE CALIBRATION The left display can show either amperage or actual Measurements for adjusting the Amperage calibration WFS during welding. Note that actual WFS is not the must be made before entering the set-up menu. same as preset WFS. For example, the preset WFS may be set to 400 ipm, but the arc voltage is only 15V.
  • Page 23 OPERATION INTERNAL CONTROLS FIGURE B.2 ITEM DESCRIPTION 2 Step Trigger Interlock Switch Pressure Adjustment Arm Optional Timer Kit (See Accessories Section) Spool Retainer Spindle Brake Gun Bushing Thumb Screw for securing the welding Gun Socket Head Cap Screw for securing the Gun Bushing Drive Hubs Inlet Wire Guide Cold Feed Pushbutton...
  • Page 24 OPERATION INTERNAL CONTROLS DESCRIPTION (See Figure B.2) 2 Step - Trigger Interlock Switch The 2 Step - Trigger Interlock switch changes the function of the gun trigger. 2 Step trigger opera- tion turns welding on and off in direct response to the trigger. Trigger Interlock operation allows welding to continue when the trig- ger is released for comfort on long...
  • Page 25 OPERATION REAR CONTROLS: ITEM DESCRIPTION Gas Purge Pushbutton Shielding Gas Inlet Electrode Lead GAS PURGE PUSHBUTTON The gas solenoid valve will energize but neither the power source output nor the drive motor will be turned on. The Gas Purge switch is useful for setting the proper flow rate of shielding gas.

  • Page 26: Accessories

    ACCESSORIES FACTORY INSTALLED EQUIPMENT • K1500-2 Gun Receiver Bushing. DRIVE ROLL KITS (See Parts Pages) K1803-1 Work and Feeder Cables Package. Includes: Twist-Mate to Lug 2/0 cable 14' (1.2m) long with Ground Clamp, and Twist- Mate to Lug 2/0 Cable 9' (2.7m) long.
  • Page 27 ACCESSORIES K910-1 Ground Clamp Includes: One 300 Amp Ground Clamp. K910-2 Ground Clamp Includes: One 500 Amp Ground Clamp. Gun Receiver Bushing (for guns Includes: Gun receiver bush- K1500-1 with K466-1 Lincoln gun connec- ing, set screw and hex key tors;...
  • Page 28 ACCESSORIES Gun Receiver Bushing (for gun Includes: Gun receiver bush- K1500-4 with K466-3 Lincoln gun connec- ing with hose nipple, set screw tors; compatible with Miller® guns.) and hex key wrench. Includes: Gun receiver bushing K1500-5 Gun Receiver Bushing (compatible with hose nipple, 4 guide tubes, with Oxo®...

  • Page 29: Maintenance

    MAINTENANCE SAFETY PRECAUTIONS WARNING ELECTRIC SHOCK can kill. • Turn the input power OFF at the welding power source before installation or changing drive rolls and/or guides. • Do not touch electrically live parts. • When inching with the gun trigger, electrode and drive mechanism are "hot"...

  • Page 30: 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. For your safety and to avoid Electrical Shock, please observe all safety notes and precautions detailed throughout this manual.

  • Page 31: Error Codes

    TROUBLESHOOTING Observe all Safety Guidelines detailed throughout this manual PROBLEMS POSSIBLE RECOMMENDED (SYMPTOMS) CAUSE COURSE OF ACTION ERROR CODES Err 81 Motor overload, long term. 1. The wire drive motor has over- 1. Check that the electrode slides heated. easily through the gun and cable. 2.
  • Page 32 4. The electrode is rusty or dirty. 4. Use only clean electrode. Use quality electrode, like L-50 or L-56 from Lincoln Electric. 5. The contact tip is partially melted 5. Replace the contact tip. or has spatter.
  • Page 33 TROUBLESHOOTING Observe all Safety Guidelines detailed throughout this manual PROBLEMS POSSIBLE RECOMMENDED (SYMPTOMS) CAUSE COURSE OF ACTION Output Problems 7. Incorrect tension arm pressure on 7. Adjust the tension arm per the the drive rolls. Instruction Manual. Most elec- trodes feed well at a tension arm setting of "3".
  • Page 34 DIAGRAMS LN-25™ PIPE...
  • Page 35 DIMENSION PRINT LN-25™ PIPE...
  • Page 36 THIS PAGE INTENTIONALLY LEFT BLANK...
  • Page 37 Index of Sub Assemblies - 11779 PART NUMBER DESCRIPTION P-679-A INDEX OF SUB ASSEMBLIES P-679-B.2 MISCELLANEOUS ITEMS P-679-C FRONT PANEL ASSEMBLY P-679-D CONTROL BOX ASSEMBLY P-679-E SPINDLE & MAST ASSEMBLY P-679-F WIRE DRIVE ASSEMBLY P-679-G CASE ASSEMBLY LN-25 Pipe - 11779...
  • Page 38 Index of Sub Assemblies - 11779 P-679-A.jpg LN-25 Pipe - 11779...
  • Page 39 Miscellaneous Items PART NUMBER DESCRIPTION 9SG6334-1 WIRING DIAGRAM LN-25 Pipe - 11779...
  • Page 40 Miscellaneous Items No Image LN-25 Pipe - 11779...
  • Page 41 9ST13637-5 DIODE-BRIDGE35A800VF-W1-PH 9ST9187-13 #10-24HLN-1817/1-NYLON INSERT 9ST9274-5 GROMMET 9SS17211-6 GROUND LEAD ASBLY 9SS24287 STRAIN RELIEF CLAMP 9ST10082-29 SEMS SCREW 9SS18581-2 BOOT 9SS9225-4 THREAD FORMING SCREW (ROLLING) 9SS9225-99 SELF TAPPING SCREW 9ST9187-13 #10-24HLN-1817/1-NYLON INSERT 9SS9225-99 SELF TAPPING SCREW LN-25 Pipe - 11779...
  • Page 42 Front Panel Assembly P-679-C.jpg LN-25 Pipe - 11779...
  • Page 43 9ST9860-4 LOCKWASHER 9ST15088 INSULATED FASTENER 9SS9262-98 PLAIN WASHER 9SS9225-99 SELF TAPPING SCREW 9SM21463-2 WELD CABLE 9SS19999 CORD GRIP CONNECTOR 9ST14370-1 CONDUIT LOCKNUT 9SG5682-2 WIRING HARNESS 9SS26807 PUSH BUTTON SWITCH 9SM17294-8 SOLENOID VALVE ASBLY 9SS9262-149 PLAIN WASHER LN-25 Pipe - 11779...
  • Page 44 MOTOR FILTER PC BD ASBLY 9ST10082-12 SEMS SCREW 9SM21926 PLUG AND LEAD ASBLY 9SS26587-5 FLOW METER COVER 9SS9225-99 SELF TAPPING SCREW 9SS28863 FILTER 9SM21011-2 CONTROL BOX COVER 9SS9225-99 SELF TAPPING SCREW 9ST12250-5 HOLE PLUG 9SG4928 WIRE REEL BACK LN-25 Pipe - 11779...
  • Page 45 Control Box Assembly P-679-D.jpg LN-25 Pipe - 11779...
  • Page 46 9SG5572-2 SPINDLE & MAST ASSEMBLY 9SG5571-2 SPINDLE MAST 9SM20990-1 SPINDLE SHAFTMACHINING 9SS9225-102 SELF TAPPING SCREW 9ST9860-6 LOCKWASHER 9ST12380-1 BUSHING 9SL10560-2 SPINDLE 9SS17435-3 FRICTION WASHER 9ST12965-2 KEYED WASHER 9ST11862-14 SPRING 9ST14813-A THUMB SCREW 9SS23811 RETAINING COLLAR ASBLY LN-25 Pipe - 11779...
  • Page 47 Spindle & Mast Assembly P-679-E.jpg LN-25 Pipe - 11779...
  • Page 48 METRIC PAN HD (PHILLIPS)M4 X 0.7 9SM19999 FEEDPLATE COVER 9SS9225-102 SELF TAPPING SCREW 9SS25638 DRIVE HUB ASBLY 9SS25308 TWIST LOCK RING 9SS25403 DRIVE HUB RETAINER KP2071-3 WIRE GUIDE ASBLY OUTER 2 ROLL 9SM18946 E BALL HOUSING LN-25 Pipe - 11779...
  • Page 49 SWITCH-TOGGLE 9SS26310 DECAL 9SS22905-2 GUN ADAPTER ASBLY 9ST13858 SCREW & HANDLE ASBLY 9SL13057 PLUG AND LEAD ASBLY 9SS26807 PUSH BUTTON SWITCH 9SS25890-1 DECAL KP2178-4 WIRE GUIDE INNER .068-3/32 2 ROLL KP1697-5/64 DRIVE ROLL KIT 5/64 2.0MM LN-25 Pipe - 11779...
  • Page 50 Wire Drive Assembly P-679-F.jpg LN-25 Pipe - 11779...
  • Page 51 9SS11893-8 DOOR LOGO DECAL 9ST13086-201 DECAL-CROSSED-OUT WHEELED BIN 9ST10397-6 PLUG BUTTON 9ST10397-19 PLUG BUTTON 9SS26924 GASKET 9ST15088-2 INSULATED FASTENER 9SS9225-102 SELF TAPPING SCREW 9SS18170 HANDLE ASBLY 9SS9262-98 PLAIN WASHER 9SS9262-113 PLAIN WASHER 9SE106A-2 LOCKWASHER 9SCF000013 1/4-20X.625HHCS LN-25 Pipe - 11779...
  • Page 52 Case Assembly P-679-G.jpg LN-25 Pipe - 11779...
  • Page 53 Do not touch electrically live parts or Keep flammable materials away. Wear eye, ear and body protection. • • • WARNING electrode with skin or wet clothing. Insulate yourself from work and • ground. Spanish No toque las partes o los electrodos Mantenga el material combustible Protéjase los ojos, los oídos y el •...
  • Page 54 Keep your head out of fumes. Turn power off before servicing. Do not operate with panel open or • • • WARNING Use ventilation or exhaust to guards off. • remove fumes from breathing zone. Spanish Los humos fuera de la zona de res- •...
  • Page 55 Lincoln Electric for advice or information about their use of our products. 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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