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Operator's Manual
DLF-72
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Date Purchased
Code: (ex: 10859)
Serial: (ex: U1060512345)
IM10632
| Issue Date Feb – 22
© Lincoln Global, Inc. All Rights Reserved.
®
For use with machines having Code Numbers:
13237, 13238, 13239
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Table of Contents
Related Manuals for Lincoln Electric DLF-72
Summary of Contents for Lincoln Electric DLF-72
- Page 1 Operator’s Manual DLF-72 ® For use with machines having Code Numbers: 13237, 13238, 13239 Need Help? Call 1.888.935.3877 Register your machine: 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.
- 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...
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Page 3: Section A: Warnings
P.O. Box 351040, Miami, Florida 33135 or CSA Standard W117.2. A Free copy of “Arc Welding Safety” booklet E205 2.a. Electric current owing through any conductor is available from the Lincoln Electric Company, 22801 causes localized Electric and Magnetic Fields (EMF). 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 TABLE OF CONTENTS DLF-72 ®...
- Page 7 • Cold-feed button for wire feeding without activating welding • The heart of the DLF-72 is the 2 roll MAXTRAC® drive. The output. patented features on the wire drive offer tool-less changing of the drive rolls and wire guides for quick spool changes. A •...
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Page 8: Installation
SELECT SUITABLE LOCATION For best wire feeding performance, place the DLF-72 on a stable and dry surface. Keep the wire feeder in a vertical position. Do not operate the wire feeder on an angled surface of more than 15 degrees. -
Page 9: Technical Specifications
DIGITAL K3345-1 Spur .035/.045 DLF-72 Bench Model K5280-2 DIGITAL K3345-1 Spur .035/.045 DLF-72 Bench Model with Gun K5280-3 DIGITAL K3345-1 Spur INPUT - SINGLE PHASE Input Amperes @ Rated Input Voltage +/- 10% Output 40V DC RATED OUTPUT (ALL MODELS) -
Page 10: Trigger Connector
Cable sizes are increased for greater lengths primarily for the purpose of minimizing cable drop. TRIGGER CONNECTOR There is one circular connector for the gun trigger on the front of the DLF-72. Picture Function Wiring GUN TRIGGER SWITCH SUPPLY... - Page 11 DLF-72 ® INSTALLATION PROCEDURE TO INSTALL DRIVE ROLLS AND PRESSURE ARM ADJUSTMENT WIRE GUIDES WARNING WARNING ELECTRIC SHOCK CAN KILL. ELECTRIC SHOCK CAN KILL. • Turn the input power OFF at the welding • Turn the input power OFF at the welding power source power source before installation or before installation or changing drive rolls and/or guides.
- Page 12 DLF-72 ® INSTALLATION CHANGING THE GUN ADAPTER BUSHING 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. •...
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Page 13: Shielding Gas Connection
• Shut off shielding gas supply when not in use. The DLF-72 comes with an adapter installed, that accepts #2 - • See American National Standard #4 guns. To install a gun: Z-49.1, "Safety in Welding and Cutting”... -
Page 14: Operation
The available clothing. range of the DLF-72 wirefeeder may not be suitable for all • Insulate yourself from work and applications, and the builder/user is and must be solely ground. - Page 15 DLF-72 ® INSTALLATION Item K# Description TYPICAL SET-UP WITH ARCLINK® (RECOMMENDED) K5280-1 DLF-72 Place the power source in ArcLink® Mode. K3607-2 Flextec 500X Multi-Process Welder Drive Roll Kit KP1696-1 Magnum Pro Curve HDE 350 K4532-2-10-45 Work Cable K2484-2...
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Page 16: Definition Of Welding Terms
DLF-72 ® OPERATION DEFINITION OF WELDING TERMS NON-SYNERGIC WELDING MODES • A Non-synergic welding mode requires all welding process vari- ables to be set by the operator. SYNERGIC WELDING MODES • A Synergic welding mode offers the simplicity of single knob control. - Page 17 The left display shows the preset wire feed speed while the right display shows the preset voltage when it is connected to a power source that supports the DLF-72 (see Figure B.1). The DLF-72 will display "Err 262" if connected to an incompatible power source. If the power source’s mode selection is not in ArcLink®...
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Page 18: Settings Menu
Burnback Time (burn bAC): SETTINGS MENU: There are 2 levels of menus that can be accessed on the DLF-72. the trigger is released and the wire is no longer being fed. It can To enter the welding menu system, press the menu button on be used to reduce the wire stickout after a weld. -
Page 19: Case Front Controls
4-Step (4Stp): Wire Feed Speed Digital Display - The DLF-72 has a digital display that shows the wire feed speed. This display is also single trigger pull to sustain a weld output that will end once a capable of displaying amperage and the setup menu. -
Page 20: Internal Connections
DLF-72 ® OPERATION INTERNAL CONNECTIONS 1. Pressure Arm Adjustment Knob 2. Spool Retainer 3. Spindle Brake 4. Gun Bushing 5. Thumb Screw 6. Socket Head Cap Screw For Gun Bushing 7. Drive Hubs 8. Inlet Wire Guide... -
Page 21: Rear Connections
CAUTION REAR CONNECTIONS The serviceability of a product or structure utilizing the DLF-72 wire feeder is and must be the sole responsibility of the builder/user. Many variables beyond the control of The Lincoln Electric Company affect the results obtained in using the DLF-72 wire feeder. - Page 22 DLF-72 ® ACCESSORIES OPTIONS/ACCESSORIES The following options/accessories are available for your DLF-72 from your local Lincoln Electric Distributor. DRIVE ROLL KITS, 2 ROLL DRIVE Steel Wire Drive Roll Kits KP1696-030S .023-.030 (0.6-0.8MM) KP1696-035S .035 (0.9MM) KP1696-045S .045 (1.2MM) INCLUDES: KP1696-052S .052 (1.4MM)
- Page 23 DLF-72 ® ACCESSORIES Optional Kits & Accessories K910-1 & K910-2 Work Clamp Jaws open full 2-1/2 inches (63 mm). Welding cable lug bolts K2485-2 Weld Cable Tweco Male to Tweco Female (2/0), 50ft. directly to the work clamp. 60% K2485-3 Weld Cable Tweco Male to Tweco Female (3/0), 50ft.
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Page 24: Routine Maintenance
DLF-72 ® MAINTENANCE MAINTENANCE 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 25: Troubleshooting
TROUBLESHOOTING TROUBLESHOOTING 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 26 DLF-72 ® TROUBLESHOOTING Observe all Safety Guidelines detailed throughout this manual POSSIBLE CAUSE RECOMMENDED COURSE OF ACTION PROBLEM Err 82 Motor overload, long The wire drive motor has 1. Check that the electrode slides easily through the gun and cable.
- Page 27 DLF-72 ® TROUBLESHOOTING Observe all Safety Guidelines detailed throughout this manual POSSIBLE CAUSE RECOMMENDED COURSE OF ACTION PROBLEM Inconsistent wire feeding or 6. Improper gun liner, tip, drive 5. Verify the proper parts are installed. wire not feeding but drive rolls and/or inner wire 6.
- Page 28 DLF-72 ® DIAGRAMS...
- Page 29 DLF-72 ® DIAGRAMS...
- Page 30 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 31 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 32 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.