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IM910
February, 2009
LN-15 WIREFEEDER
For use with machines having Code Number: 11372
Safety Depends on You
Lincoln arc welding and cutting
equipment is designed and built with
safety in mind. However, your overall
safety can be increased by proper
installation ... and thoughtful opera-
tion 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.
N80
IEC
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i i SAFETY WARNING CALIFORNIA PROPOSITION 65 WARNINGS Diesel engine exhaust and some of its constituents The engine exhaust from this product contains are known to the State of California to cause can- chemicals known to the State of California to cause cer, birth defects, and other reproductive harm. cancer, birth defects, or other reproductive harm. The Above For Diesel Engines The Above For Gasoline Engines ARC WELDING CAN BE HAZARDOUS. PROTECT YOURSELF AND OTHERS FROM POSSIBLE SERIOUS INJURY
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ii ii SAFETY ELECTRIC SHOCK can ARC RAYS can burn. 4.a. Use a shield with the proper filter and cover kill. plates to protect your eyes from sparks and 3.a. The electrode and work (or ground) circuits the rays of the arc when welding or observing are electrically “hot” when the welder is on. open arc welding. Headshield and filter lens Do not touch these “hot” parts with your bare should conform to ANSI Z87. I standards. skin or wet clothing. Wear dry, hole-free gloves to insulate hands. 4.b. Us
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iii iii SAFETY WELDING and CUTTING CYLINDER may explode SPARKS can if damaged. cause fire or explosion. 7.a. Use only compressed gas cylinders 6.a. Remove fire hazards from the welding area. containing the correct shielding gas for the If this is not possible, cover them to prevent process used and properly operating the welding sparks from starting a fire. regulators designed for the gas and Remember that welding sparks and hot pressure used. All hoses, fittings, etc. should be suitable for mat
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iv iv SAFETY PRÉCAUTIONS DE SÛRETÉ 6. Eloigner les matériaux inflammables ou les recouvrir afin de prévenir tout risque d’incendie dû aux étincelles. Pour votre propre protection lire et observer toutes les instructions et les précautions de sûreté specifiques qui parraissent dans ce 7. Quand on ne soude pas, poser la pince à une endroit isolé de manuel aussi bien que les précautions de sûreté générales suiv- la masse. Un court-circuit accidental peut provoquer un antes: échauffement et un risqu
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v v SAFETY 60974-10
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vi vi SAFETY EN60974-10:
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vii vii for selecting a QUALITY product by Lincoln Electric. We want you to take pride in operating this Lincoln Electric Company product Thank You ••• as much pride as we have in bringing this product to you! CUSTOMER ASSISTANCE POLICY The business of The Lincoln Electric Company is manufacturing and selling high quality welding equipment, consumables, and cutting equip- ment. Our challenge is to meet the needs of our customers and to exceed their expectations. On occasion, purchasers may ask L
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viii viii TABLE OF CONTENTS Page Installation.......................................................................................................................Section A Technical Specifications.......................................................................................................A-1 Safety Precautions ...............................................................................................................A-2 Location...................................................
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A-1 A-1 INSTALLATION TECHNICAL SPECIFICATIONS – LN-15 (K1871-3 CE) INPUT VOLTAGE 42 VAC/1/50/60 (5 Amps Maximum) CONTROL CABLE MODEL RATED CURRENT 500 Amps 60% Duty Cycle 350 Amps 100% Duty Cycle ELECTRODE DIAMETERS and SPEED RANGE Electrode Size Speed Range Solid Electrode 0.023 - 0.052" 50 - 700 in/min (0.6 - 1.3 mm) (1.3 - 17.8 m/min) Steel Flux Cored 0.035 - 5/64" 50 - 400 in/min Electrode (0.9 - 2.3 mm) (1.3 - 10.1 m/min) PHYSICAL DIMENSIONS HEIGHT WIDTH DEPTH WEIGHT SPOOL S
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A-2 A-2 INSTALLATION WELD CABLE CONNECTIONS SAFETY PRECAUTIONS WARNING WARNING ELECTRIC SHOCK CAN KILL. ELECTRIC SHOCK CAN KILL. • Only a qualified electrician should • ONLY QUALIFIED PERSONNEL connect the electrode leads to the SHOULD PERFORM THIS LN-15. Connections should be INSTALLATION. made in accordance with all local • Turn off input power to the power and national electrical codes. source at the disconnect switch or Failure to do so may result in bodily fuse box before working on this
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A-3 A-3 INSTALLATION ELECTRODE CONNECTION 4. Set the WELD TERMINALS switch to WELD TER- MINALS OFF. Route the electrode cable through the strain relief in the rear of the case. Connect the electrode cable to 5. Set the WIRE FEEDER VOLTMETER switch to the LN-15 connection block using the mounting hard- either "+" or "-" as required by the electrode polarity ware provided. Secure the cable by tightening the being used. strain relief. 6. Set the ARC CONTROL knob to "0" initially and All domesti
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A-4 A-4 INSTALLATION CONNECTION DIAGRAM, CONTROL CABLE MODELS ( See Figure A.1) FIGURE A.1 -3 -3 -3 CONTROL CABLE CONNECTIONS GUNS AND CABLES ASSEMBLIES For Control Cable model, attach the control cable from A variety of Lincoln 10' (3.0m) or 15' (4.6m) gun and the LN-15 to power source. Do not use more than 150 cable assemblies are available for use with the LN-15, ft (45 m) of cable. including the Magnum™ models for GMAW, K126 or Table A.2 Trigger Connector J1 (5 Pin) K115 models for Inner
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A-5 A-5 INSTALLATION PROCEDURE TO INSTALL DRIVE ROLLS FEEDING WIRE ELECTRODE AND WIRE GUIDES WARNING WARNING • ELECTRIC SHOCK CAN KILL. • ELECTRIC SHOCK CAN KILL. • When feeding electrode with the gun trigger, the electrode and wire • Turn off input power at the welding drive mechanism are always "hot" power source before installation or to work and ground and could changing drive roll and/or wire remain "hot" several seconds after guides. the gun trigger is released. • Do not touch electrica
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B-1 B-1 OPERATION SAFETY PRECAUTIONS GRAPHIC SYMBOLS THAT APPEAR ON READ AND UNDERSTAND ENTIRE SECTION THIS MACHINE OR IN THIS MANUAL BEFORE OPERATING MACHINE. INPUT POWER WARNING • ELECTRIC SHOCK CAN KILL. Unless using COLD FEED fea- ON ture, when feeding with gun trig- ger, the electrode and drive mechanism are always electri- OFF cally energized and could remain energized several sec- onds after the welding ceases.. • Do not attach the work clip to the roll cage or WIRE FEEDER bottom skids. T
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B-2 B-2 OPERATION GENERAL DESCRIPTION DUTY CYCLE The LN-15 is a light weight, portable, durable semi- The LN-15 wire feeders are intended for semi-auto- automatic wire feeder. matic use. The maximum rating of the LN-15 is based upon a 60% duty cycle; 6 minutes of welding followed The LN-15 accommodates spools 8" (200mm) diame- by 4 minutes of idling within a 10 minute period. ter up to 4" (100mm) wide. RECOMMENDED PROCESSES The domestic feeders comes factory equipped with a The LN-15 wire drive
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B-3 B-3 OPERATION 4. VOLTAGE KNOB-The voltage knob is present only on CASE FRONT CONTROLS (See Figure B.1) control cable models. ACROSS THE ARC MODEL Adjusting the voltage knob varies the power source volt- 1. WIRE FEED SPEED DISPLAY-The Wire Feed Speed age to the LN-15. The value displayed is not a "preset" display shows the rate the LN-15 will feed electrode dur- voltage. Only actual average arc voltage is shown on the ing welding. The default WFS units for domestic models voltage display. a
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B-4 B-4 OPERATION LN-15 POWER-UP SEQUENCE Preflow: Normal Power-Up Display When power is first applied to the LN-15, the display Postflow: will momentarily show set-up information. For exam- ple, it may show "CV" and "HI", indicating operation Burnback: from a CV power source and the wire drive is config- ured for the high speed gear. Because of limitations in the display, "CV" will appear as "Cu". 3. Activate and then release the GAS PURGE switch to select the timer. The time will then displ
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B-5 B-5 OPERATION Rotate the WFS knob until the desired parameter is INTERNAL CONTROLS (Figure B.2) displayed. COLD FEED/ 2 STEP/TRIGGER GAS PURGE INTERLOCK SWITCH SWITCH SPRING TENSION SPINDLE CV/CC Mode: ARM BRAKE WFS Units: 2. Activate and release the GAS PURGE switch to select the parameter. The present value will then display in the right hand side of the display. Example: FLOWMETER SPRING TENSION ARM 3. Rotate the WFS knob to change the parameter set- The pressure arm controls the a
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B-6 B-6 OPERATION WIRE DRIVE CONFIGURATION 6. Remove the outer wire guide, and push the gun (See Figure B.2b) bushing out of the wire drive. Because of the pre- Changing the Gun Receiver Bushing cision fit, light tapping may be required to remove the gun bushing. ELECTRIC SHOCK can kill. 7. Disconnect the shielding gas hose from the gun • Turn the input power OFF at the bushing, if required. welding power source before 8. Connect the shielding gas hose to the new gun installation or changing dr
