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Red-D-Arc LN25 PRO EXTREME Operator's Manual

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RED-D-ARC
LN25™ PRO EXTREME
For use with machines having Code Numbers: 11748, 12167
OPERATOR'S MANUAL
Red-D-Arc Spec-Built Welding Equipment
This RED-D-ARC welder is built to RED-D-ARC Extreme Duty
design specifications by Lincoln Electric.
Safety Depends on You
This welder is designed and built with safety in mind.
However, your overall safety can be increased by proper installation
... and thoughtful operation on your part.
DO NOT INSTALL, OPERATE OR REPAIR THIS EQUIPMENT
WITHOUT READING THIS MANUAL AND THE SAFETY
PRECAUTIONS CONTAINED THROUGHOUT.
And, most importantly, think before you act and be careful.
1-800-245-3660
North America's Largest Fleet of Welding Equipment
IM10078-A
July 2013

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Summary of Contents for Red-D-Arc LN25 PRO EXTREME

  • Page 1 For use with machines having Code Numbers: 11748, 12167 OPERATOR’S MANUAL Red-D-Arc Spec-Built Welding Equipment This RED-D-ARC welder is built to RED-D-ARC Extreme Duty design specifications by Lincoln Electric. Safety Depends on You This welder is designed and built with safety in mind.
  • 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 SAFETY SECTION A: with hot engine parts and igniting. Do not spill fuel when filling tank. If fuel is spilled, wipe it up and do not start engine until WARNINGS fumes have been eliminated. 1.d. Keep all equipment safety guards, covers and devices in position and in good repair.
  • 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 SAFETY PRÉCAUTIONS DE SÛRETÉ 6. Eloigner les matériaux inflammables ou les recouvrir afin de prévenir tout risque dʼincendie dû aux étincelles. Pour votre propre protection lire et observer toutes les instructions et les précautions de sûreté specifiques qui parraissent dans ce 7.
  • Page 7 SAFETY Electromagnetic Compatibility (EMC) Conformance Products displaying the CE mark are in conformity with European Community Council Directive of 15 Dec 2004 on the approximation of the laws of the Member States relating to electromagnetic compatibility, 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.
  • Page 8 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 9: Table Of Contents

    Procedure to Install Drive Rolls and Wire Guides ..............A-5 Loading Spools of Wire ......................A-5 Pressure Arm Adjustment ....................A-6 Gun Connections........................A-6 Power Source to RED-D-ARC LN25™ PRO EXTREME Cable Connection Diagrams ....A-7, A-8 ________________________________________________________________________________ Operation.........................Section B Safety Precautions .......................B-1 Graphic Symbols that appear on this Machine or in this Manual .........B-1 Definition of Welding Terms ....................B-2...

  • Page 10: Installation

    INSTALLATION TECHNICAL SPECIFICATIONS – RED-D-ARC LN25™ PRO EXTREME (K2613-6) INPUT VOLTAGE and CURRENT INPUT VOLTAGE ± 10% INPUT AMPERES 15-110 VDC RATED OUTPUT @ 104°F (40°C) DUTY CYCLE INPUT AMPERES 60% rating GEARING - WIRE FEED SPEED RANGE-WIRE SIZE GMAW...

  • Page 11: Safety Precautions

    Locate the RED-D-ARC LN25™ PRO EXTREME perform this installation. away from radio controlled machinery. The normal • Do not touch metal portions of the RED-D-ARC operation of the RED-D-ARC LN25™ PRO EXTREME LN25™ PRO EXTREME work clip when the weld- may adversely affect the operation of RF controlled ing power source is on.

  • Page 12: Shielding Gas Connection

    When the cylinder pressure gage stops moving, open the valve fully. 8. The flow regulator is adjustable. Adjust it to the flow rate recommended for the procedure and process being used before making a weld. RED-D-ARC LN25™ PRO EXTREME...
  • Page 13 • 1/4" hex key wrench, (2) 3/4” Box Wrenches, SET SCREW 3/4” STD. Socket, Adjustable Torque Wrench (Snap Type) LOOSEN TIGHTEN 1. Turn power off at the welding power source. 2. Remove the welding wire from the wire drive. RED-D-ARC LN25™ PRO EXTREME...

  • Page 14: Procedure To Install Drive Rolls And Wire Guides

    8. Install the outer wire guide by aligning it with the pins and tightening the knurled thumbscrews. 9. Close the idle arm and engage the idle roll pressure arm. Adjust the pressure appropriately. RED-D-ARC LN25™ PRO EXTREME...

  • Page 15: Pressure Arm Adjustment

    INSTALLATION PRESSURE ARM and ADJUSTMENT The RED-D-ARC LN25™ PRO EXTREME comes with a K1500-2 gun adapter installed. (See Figure A.4 WARNING for Code 11748) To install a gun, ELECTRIC SHOCK can kill. 1. Turn power OFF. • Turn the input power OFF at the 2.

  • Page 16: Power Source To Red-D-Arc Ln25™ Pro Extreme Cable Connection Diagrams

    INSTALLATION POWER SOURCE TO RED-D-ARC LN25™ PRO EXTREME CABLE CONNECTION DIAGRAMS ACROSS THE ARC SET-UPS Power Sources with Stud Connectors and Remote/Local Switch (See Figure A.6) FIGURE A.6 Jumper CV-400 CV-655 DC-400 (Red-D-Arc LN25™ DC-600 Electrode PRO Extreme) DC-655 V450-Pro...
  • Page 17 Place CV/CC switch in the feeder in the "CV" position. K2613-6 (Red-D-Arc LN25™ PRO Extreme) KP1695-XX KP1696-XX Drive Roll Kit KP1697-XX See Magnum Pro Literature Welding Gun CV power Source K1841-XX Welding Cables K852-95 Twist-Mate Cable plug K484 Jumper Plug kit RED-D-ARC LN25™ PRO EXTREME...

  • Page 18: Operation

    • Wear eye, ear and body protec- tion. INPUT VOLTAGE --------------------------------------------------------------------- SEE ADDITIONAL WARNING INFORMATION UNDER ARC WELDING SAFETY PRECAUTIONS OUTPUT VOLTAGE AND IN THE FRONT OF THIS OPERATING MAN- UAL. --------------------------------------------------------------------- INPUT CURRENT OUTPUT CURRENT PROTECTIVE GROUND WARNING OR CAUTION RED-D-ARC LN25™ PRO EXTREME...

  • Page 19: Definition Of Welding Terms

    The K2330-2 kits. bushing accepts Magnum Pro guns (Tweco #2 to #4). • Push-pull guns do not work with the RED-D-ARC LN25™ PRO EXTREME . Models include a gas solenoid for the flexibility to run •...

  • Page 20: Case Front Controls

    WFS, then the arc voltage may be too low for procedure. The serviceability of a product or structure utilizing the RED-D-ARC LN25™ PRO EXTREME wire feeder is and must be the sole responsibility of the builder/user. Many variables beyond the control of The Lincoln...
  • Page 21 3. TRIGGER CONNECTOR There is one circular connector for the gun trigger on the front of the RED-D-ARC LN25™ PRO EXTREME. Note – if the gun trigger is already depressed when the feeder is powered up, the feeder will not activate.
  • Page 22 Rotate the WFS knob to the left to use “inches/minute” for the wire feed speed units. Rotate the WFS knob to the right to use “meters/minute” for the wire feed speed units. EUro Then rotate the WFS knob to the 12 oʼclock position. RED-D-ARC LN25™ PRO EXTREME...

  • Page 23: Internal Controls

    OPERATION INTERNAL CONTROLS (FOR CODE 11748) ITEM DESCRIPTION 2 Step Trigger Interlock Switch Pressure Arm Optional Timer Kit Spool Retainer Spindle Brake Gun Bushing, Thumb Screw and Socket Head Cap Screw Drive Hubs Cold Feed Pushbutton RED-D-ARC LN25™ PRO EXTREME...

  • Page 24: Internal Controls Decription

    OPERATION INTERNAL CONTROLS (FOR CODE 12167) ITEM DESCRIPTION 2 Step Trigger Interlock Switch Pressure Arm Optional Timer Kit Spool Retainer Spindle Brake Gun Bushing, Thumb Screw and Set Screw Drive Hubs Cold Feed Pushbutton RED-D-ARC LN25™ PRO EXTREME...
  • Page 25 ------------------------------------------------------------------------ RED-D-ARC LN25™ PRO EXTREME...

  • Page 26: Rear Controls

    The Gas Purge switch is useful for setting the proper flow rate of shielding gas. Flow meters should always be adjusted while the shielding gas is flowing. ITEM DESCRIPTION Gas Purge Pushbutton Shielding Gas Inlet Electrode Lead RED-D-ARC LN25™ PRO EXTREME...

  • Page 27: Accessories

    IIncludes: Lug to Lug, 3/0 Cable of length "xx" for lengths K1842-xx Weld Power Cable, Lug to Lug up to 60' (18.3m). Lug to Lug, 4/0 Cable of length "xx" for lengths greater than 60' (18.3m). RED-D-ARC LN25™ PRO EXTREME...
  • Page 28 Gun Receiver Bushing (for guns Includes: Gun receiver bush- (For Code with K613-7 Lincoln gun connec- ing with hose nipple, set 11748 only) tors; Magnum 550 guns and com- screw and hex key wrench. patible with Tweco® #5) RED-D-ARC LN25™ PRO EXTREME...
  • Page 29 3" wide spools. K586-1 Deluxe Adjustable Gas Regulator Includes: Deluxe Gas Regulator for Mixed Gases, Adapter for CO2 and 10' (3.0m) Hose. K283 Wire Feed Speed Meter Includes: A wire feed speed meter with digital display. RED-D-ARC LN25™ PRO EXTREME...

  • Page 30: Maintenance

    • Blow out or vacuum the inside of the feeder. • Inspect the motor brushes every 6 months. Replace if shorter than 0.5” (12.7mm). CALIBRATION SPECIFICATION See the (OPERATION SECTION), set-up menu, for calibration of amperage and wire feed speed. RED-D-ARC LN25™ PRO EXTREME...

  • Page 31: Troubleshooting

    • Only qualified personnel should perform maintenance work. CAUTION If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Authorized Field Service Facility for technical troubleshooting assistance before you proceed. RED-D-ARC LN25™ PRO EXTREME...
  • Page 32 6. Replace solenoid. CAUTION If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Authorized Field Service Facility for technical troubleshooting assistance before you proceed. RED-D-ARC LN25™ PRO EXTREME...
  • Page 33 CAUTION If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Authorized Field Service Facility for technical troubleshooting assistance before you proceed. RED-D-ARC LN25™ PRO EXTREME...
  • Page 34 CAUTION If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Authorized Field Service Facility for technical troubleshooting assistance before you proceed. RED-D-ARC LN25™ PRO EXTREME...
  • Page 35 ENHANCED DIAGRAM DIAGRAMS RED-D-ARC LN25™ PRO EXTREME...
  • Page 36 DIMENSION PRINT RED-D-ARC LN25™ PRO EXTREME...
  • Page 37 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 AVISO DE bajo carga con la piel o ropa moja-...
  • Page 38 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- Desconectar el cable de ali- No operar con panel abierto o AVISO DE...
  • Page 39 • World's Leader in Welding and Cutting Products • • Sales and Service through Subsidiaries and Distributors Worldwide • Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com...

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