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TM
IM311-E
LN -23P
November, 2009
®
Portable Innershield Semiautomatic Wire Feeder
For use with machines having Code Numbers 9085; 10242; 10314; 10892; 10917; 10918
11359; 11360; 11361; 11362
11669, 11670
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 thought-
ful operation on your part. DO
NOT INSTALL, OPERATE OR
REPAIR THIS EQUIPMENT
WITHOUT READING THIS
MANU
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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 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 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 Linco
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vi vi TABLE OF CONTENTS Page Installation...................................................................................................................Section A Technical Specifications.......................................................................................................A-1 Installation Instructions.........................................................................................................A-2 Safety Precautions ..................................................
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A-1 A-1 INSTALLATION TECHNICAL SPECIFICATIONS – LN™-23P OPERATING ARC VOLTAGE Constant Voltage (CV) 14-50VDC (90VDC Maximum OCV) RATED CURRENT 250-350 Amps 60% Duty Cycle (Depending on Gun Used) WIRE SPEED RANGE 30-170 Inches Per Minute (IPM) (1.18-6.70 mm) RECOMMENDED ELECTRODE WIRE SIZES .068” INNERSHIELD .072” INNERSHIELD 5/64” INNERSHIELD PHYSICAL DIMENSIONS HEIGHT WIDTH DEPTH WEIGHT 20.5 Inches 9.0 Inches 19.0 Inches 27 lbs (520.7 mm) (228.6 mm) (482.6mm) (12.3 kg) TEMPERATURE RANGE o o
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A-2 A-2 INSTALLATION For K316L-2 or higher (8 pin connector) SAFETY PRECAUTIONS With the power source turned off, install the input WARNING cable per the following instructions: • The K316L-2 LN™-23P can be connected directly to ELECTRIC SHOCK can kill. any Lincoln power source that have CV output and • Only qualified personnel should perform this installation, maintenance Twist-Mate weld terminals (V350, V350-PIPE, CV- and troubleshooting work. 305, etc.), using the control cable provided wit
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A-3 A-3 INSTALLATION • Other Power Sources: Mount the Adapter Kit to the WIRE DRIVE ROLLS AND GUIDE TUBES side of the power source or some convenient location so its control cable can be connected to the power The LN™-23P is shipped with the proper drive rolls and source terminal strip. Use the shock mounted mount- guide tubes factory installed. Do not adjust the idle roll ing plate as a template to locate the four 5/32" diame- tension adjusting screw. If the idle roll tension must be ter holes
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B-1 B-1 OPERATION The LN™-23P voltage control is used to adjust the power SAFETY PRECAUTIONS source output. Also included is an analog voltmeter which allows easy setting of the arc voltage at the LN™-23P once the WARNING arc is established. ELECTRIC SHOCK can kill. LOADING THE WIRE REEL • Do not touch electrically live parts such as output terminals or internal (For machines that have code numbers Lower wiring. than 11383.) • When inching with gun trigger, electrode and • Lay the LN™-23P flat w
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B-2 B-2 OPERATION INSTRUCTIONS FOR LOADING WIRE 4. Add Reel Cover. Form a loop with the wire and INTO LN™-23P route it through the lower conduit piece and past the drive rolls as shown below . (For machines that have code numbers Higher Feed into Drive than 11384.) Rolls in this area. Loop 1. With the power shut off and input leads going to the wire feeder disconnected, lay LN™-23P down with wire reel facing up. Enter Wire thru conduit piece Add Reel Cover WARNING ELECTRIC SHOCK can kill. • Do
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B-3 B-3 OPERATION DRIVE ROLL PRESSURE Loosen the insulated socket head screw on the side of The drive roll pressure is pre-set at the factory for the gun, rotate the gun nozzle to the position most proper feeding. If the idle roll tension must be relieved convenient for the particular application, and retighten temporarily, see the Maintenance Section for proper the screw. adjustment procedure. When welding, set the wire feeder on the floor or hang ADJUSTING WIRE FEED SPEED AND it near the work
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C-1 C-1 ACCESSORIES OPTIONAL EQUIPMENT GUN AND CABLE ASSEMBLIES Type K-355-10* K-345-10* K-264-8 K-361-10 K-406* Length: 10 feet 10 feet 8 feet 10 feet Linconditioner Gun 10 ft. (15 ft. Exhaust Hose) Rated Welding Current: 250 Amps 350 Amps 250 Amps 350 Amps 350 Amps Duty Cycle 60% 60% 60% 60% 60% Electrode Sizes .068, .072, 5/64 .068, .072, 5/64 068, .072, 5/64 068, .072, 5/64 068, .072, 5/64 Reduced Speed Switch Std. Std. None None Std. Sizes 5/64 5/64 5/64 5/64 5/64 Nozzle Angle 90E 90E 62E 6
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D-1 D-1 MAINTENANCE SAFETY PRECAUTIONS GUN AND CABLE MAINTENANCE WARNING Remove spatter from tip after each ten minutes of arc Have qualified personnel do the maintenance time or as required. work. Turn the engine off before working inside the machine. In some cases, it may be Replace worn contact tips and thread protectors as necessary to remove safety guards to perform required. required maintenance. Remove guards only when necessary and replace them when the Replace worn spring liners in noz
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D-2 D-2 MAINTENANCE CIRCUIT PROTECTION NAMEPLATES Circuit Breaker – The 3.5 amp circuit breaker located Whenever routine maintenance is performed on this on the rear of the unit normally trips only when an machine — or at least yearly — inspect all name- overload occurs because of excessive loading in the plates and labels for legibility. Replace those which wire feed cable or a defective motor or control compo- are no longer clear. Refer to the parts list for the nents. After allowing a few min
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E-1 E-1 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. _______________________________________________________________
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E-2 E-2 TROUBLESHOOTING Observe all Safety Guidelines detailed throughout this manual PROBLEMS POSSIBLE RECOMMENDED (SYMPTOMS) COURSE OF ACTION CAUSE Motor won’t run. 1. Circuit breaker tripped. 2. For Code 9085, OCV is above 50 volts (45 volts on DC-600). 3. Wrong polarity – unit is shipped internally connected to operate on negative polarity only. 4. Remote voltage sensing work lead not connected to work. 5. Electrode lead not connected to LN™-23P. 6. Control cable not properly connected to CV
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E-3 E-3 TROUBLESHOOTING Observe all Safety Guidelines detailed throughout this manual PROBLEMS POSSIBLE RECOMMENDED (SYMPTOMS) COURSE OF ACTION CAUSE Improper wire speed control. 1. Faulty printed circuit board, faulty rheostat, or faulty motor. Can’t obtain required voltage. 1. Defective power source of CV Converter. 2. On SAM welders, constant voltage control must be adjusted to give required voltage and If all recommended possible areas mode switch must be set to of misadjustment have been co
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F-1 F-1 DIAGRAMS LN™-23P LN™-23P ADAPTER KIT WIRING DIAGRAM M-14247 2-19-82 NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diagram for a particular code is pasted inside the machine on one of the enclosure panels. If the diagram is illegible, write to the Service Department for a replacement. Give the equipment code number..
