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RETURN TO MAIN INDEX
SVM127-A
November, 1996
LN-9 Wire Feeder
For use with machines having Code Numbers: 9134, 9842, 9958, 10316, 10327
Safety Depends on You
Lincoln arc welding equipment
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 READ-
ING THIS MANUAL AND THE
SAFETY PRECAUTIONS CON-
TAINED THROUGHOUT. And,
most importantly,
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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 ARC RAYS can burn. ELECTRIC SHOCK can kill. 3.a. The electrode and work (or ground) circuits 4.a. Use a shield with the proper filter and cover are electrically “hot” when the welder is on. plates to protect your eyes from sparks and Do not touch these “hot” parts with your bare the rays of the arc when welding or observing skin or wet clothing. Wear dry, hole-free open arc welding. Headshield and filter lens gloves to insulate hands. should conform to ANSI Z87. I standards. 4.b. Us
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iii iii SAFETY WELDING SPARKS can CYLINDER may explode cause fire or explosion. if damaged. 6.a. Remove fire hazards from the welding area. 7.a.Use only compressed gas cylinders If this is not possible, cover them to prevent containing the correct shielding gas for the the welding sparks from starting a fire. process used and properly operating Remember that welding sparks and hot regulators designed for the gas and materials from welding can easily go through small cracks pressure used. All hos
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iv iv SAFETY 7. Quand on ne soude pas, poser la pince à une endroit isolé PRÉCAUTIONS DE SÛRETÉ de la masse. Un court-circuit accidental peut provoquer un échauffement et un risque d’incendie. Pour votre propre protection lire et observer toutes les instructions et les précautions de sûreté specifiques qui parraissent dans ce 8. S’assurer que la masse est connectée le plus prés possible manuel aussi bien que les précautions de sûreté générales suiv- de la zone de travail qu’il est pratique de l
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v v MASTER TABLE OF CONTENTS FOR ALL SECTIONS RETURN TO MAIN INDEX Page Safety.................................................................................................................................................i-iv Installation.............................................................................................................................Section A Technical Specifications.....................................................................................................
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Section A-1 Section A-1 TABLE OF CONTENTS - INSTALLATION SECTION - Installation................................................................................................................................Section A Technical Specifications..............................................................................................................A-2 Installing the LN-9N and LN-9S 2-Roll and 4-Roll Models .........................................................A-3 Attaching the Wire Reel Stan
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A-2 A-2 INSTALLATION TECHNICAL SPECIFICATIONS — LN-9 INPUT POWER Supplied by power source: 115 VAC, 50/60 Hz., 350 VA WIRE FEED SPEED 50 to 600 inches per minute (1.27 to 15.2 meters per minute) VOLTAGE CONTROL RANGE 12.0 TO 60.0 VDC TEMPERATURE RANGE o o o o OPERATION: - 20 C to +40 C (- 4 F to +104F) Recommended o o o o - 40 C to +40 C (- 40 F to +104F) Maximum Rated o o o o STORAGE: - 40 C to +85 C (- 40 F to +185 F) WIRE DIAMETERS .030 through 3/32" (0.8 through 2.4 mm) Solid Electrode .04
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A-3 A-3 INSTALLATION INSTALLING THE LN-9N and LN-9S MOUNTING THE CONTROL BOX 2-ROLL AND 4-ROLL MODELS The same control box is used for both the 2-Roll and 4- Roll wire feed unit. It contains two keyhole slots and ATTACHING THE WIRE REEL STAND one slot for mounting. Mount the box at some conve- nient location close to the wire feed unit. This will Both 2-Roll and 4-Roll LN-9 model wire feeders are enable the 16-foot control cable assembly supplied shipped without a wire reel stand. The screw
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A-4 A-4 INSTALLATION CONNECTING THE POWER INPUT ROUTING THE ELECTRODE CABLE ASSEMBLY TO THE LN-9N or The electrode supply may be either from reels, Readi- LN-9S WIRE FEED UNIT Reels, spools, or bulk packaged drums or reels. Observe the following precautions: The K196, K595, or K596 cable assembly consists of an electrode cable and multiconductor control cable. • The electrode must be routed to the wire feed unit so The control cable has a MS-type plug on the wire feed- that the bends in t
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A-5 A-5 INSTALLATION FIGURE A.2 – STRAIN RELIEF CLAMP 3. Remove the screws holding the cable clamp locat- ed near the rear of the wire reel base. Put the con- trol cable and the electrode cable under the clamp and install the screws. (On cables with more than one electrode cable, leave the junction between the cables and the single 4/0 stub behind the clamp so that only the single electrode lead is under the clamp.) Connect the electrode cable of the input cable assembly to the brass block o
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A-6 A-6 INSTALLATION 7. If using welding currents over 450 amperes, con- CONNECTING THE POWER INPUT nect a length of 1/0 cable between the brass block CABLE ASSEMBLY TO THE LN-9F on the hand crank and the input strap located in the CONTROL BOX wire drive unit. Tape this cable to the extension assembly. Proper cable lengths are as follows: 1. See Figure A.4. Connect the MS-type plug of the K196, K595, or K596 control cable to the mating 22-1/2 ft. extension 26’ M5906-106 MS-type connector
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A-7 A-7 INSTALLATION Depending on the power source and process you are CONNECTING THE POWER INPUT using, the jumpers on the LN-9 voltage board may CABLE ASSEMBLY TO POWER have to be changed. As shipped, the LN-9 is connect- SOURCES ed for use with the DC-250 DC-400, CV-400, CV-500-I and DC-600. For other power sources, refer to the appropriate connection diagram. WARNING NOTE: If you are using the Pulse Power 500 or DC650 Pro, the K442-1 Pulse Power Filter Kit must be Turn input supply power t
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A-8 A-8 INSTALLATION FIGURE A.5 – CONNECTION OF LN-9 TO DC-250, DC-400, AND CV/CVI POWER SOURCES WARNING • Turn off input power to the welding power source using the disconnect switch at the fuse box before connect- ing the wire feeder • Only qualified persons should install, ELECTRIC SHOCK use or service this machine. can kill. Above diagram shows electrode connected positive. To change polarity, turn power off, reverse the electrode and work leads at the power source and position the switch o
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A-9 A-9 INSTALLATION FIGURE A.6 – CONNECTION OF LN-9 TO DC-600 POWER SOURCES WARNING • Turn off input power to the welding power source using the disconnect switch at the fuse box before connect- ing the wire feeder • Only qualified persons should install, ELECTRIC SHOCK use or service this machine. can kill. Above diagram shows electrode connected positive. To change polarity, turn power off, reverse the electrode and work leads at the power source and position the switch on power source to pr
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A-10 A-10 INSTALLATION FIGURE A.7 – CONNECTION OF LN-9 TO DC-1000 POWER SOURCES WARNING • Turn off input power to the welding power source using the disconnect switch at the fuse box before connect- ing the wire feeder • Only qualified persons should install, ELECTRIC SHOCK use or service this machine. can kill. Above diagram shows electrode connected positive. To change polarity, turn power off, reverse the electrode and work leads at the power source, position the positive - negative switch o
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A-11 A-11 INSTALLATION FIGURE A.8 – CONNECTION OF LN-9 TO PULSE POWER 500 POWER SOURCES WARNING • Turn off input power to the welding power source using the disconnect switch at the fuse box before connect- ing the wire feeder • Only qualified persons should install, ELECTRIC SHOCK use or service this machine. can kill. Above diagram shows electrode connected positive. To change polarity, turn power off, reverse the electrode and work leads at the power source and properly set the feeder polari
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A-12 A-12 INSTALLATION DIRECT WORK LEAD CONNECTION MACHINE GROUNDING Lincoln specified procedures give voltage readings LN-9 wire feeders are grounded to the power source taken between the work and the gun cable brass con- through the input cable. The power source grounding nection block of the LN-9. To match these voltage read- cable must be properly connected to electrical ground. ings, the connection diagrams show the #21 lead being See your power source operating manual for details. extend
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A-13 A-13 INSTALLATION FIGURE A.9 – GUN CABLE CONNECTIONS CONNECTING THE GUN CABLE TO THE WIRE FEEDER A variety of gun and cable assemblies are available for the LN-9 models. See the Accessories section of this manual. Lay the cable out straight. Insert the connector on the welding conductor cable into the brass conductor block on the front of the wire drive unit. See Figure A.9. Make sure the connector is fully seated and tighten the lock- ing screws with a 3/16" Allen wrench or handscrew (if
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A-14 A-14 NOTES LN-9 Wire Feeder Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOC Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC
