Page 2 - SAFETY; PERFORMED ONLY BY QUALIFIED INDIVIDUALS.; WARNING; ELECTRIC AND; CALIFORNIA PROPOSITION 65 WARNINGS; The Above For Diesel Engines
FOR ENGINEpowered equipment. 1.a. Turn the engine off before troubleshooting and maintenance work unless the maintenance work requires it to be running. ____________________________________________________ 1.b. Operate engines in open, well-ventilated areas or vent the engine exhaust fumes outdoors....
Page 3 - ii; E L E C T R I C S H O C K c a n
ii SAFETY ii ARC RAYS can burn. 4.a. Use a shield with the proper filter and cover plates to protect your eyes from sparks and the rays of the arc when welding or observing open arc welding. Headshield and filter lens should conform to ANSI Z87. I standards. 4.b. Use suitable clothing made from dura...
Page 4 - iii; CYLINDER may explode; Refer to
iii SAFETY iii FOR ELECTRICALLYpowered equipment. 8.a. Turn off input power using the disconnect switch at the fuse box before working on the equipment. 8.b. I n s t a l l e q u i p m e n t i n a c c o r d a n c e w i t h t h e U . S . N a t i o n a l E l e c t r i c a l C o d e , a l l l o c a l c ...
Page 5 - iv; PRÉCAUTIONS DE SÛRETÉ; PRÉCAUTIONS DE SÛRETÉ POUR
iv SAFETY iv Mar. ‘93 PRÉCAUTIONS DE SÛRETÉ Pour votre propre protection lire et observer toutes les instructions et les précautions de sûreté specifiques qui parraissent dans ce manuel aussi bien que les précautions de sûreté générales suiv- antes: Sûreté Pour Soudage A L’Arc 1. Protegez-vous contr...
Page 8 - TThhaannkk Y; Please Examine Carton and Equipment For Damage Immediately
vii vii TThhaannkk Y Yoouu for selecting a QUALITY product by Lincoln Electric. We want you to take pride in operating this Lincoln Electric Company product ••• as much pride as we have in bringing this product to you! Read this Operators Manual completely before attempting to use this equipment. Sa...
Page 9 - TABLE OF CONTENTS
viii viii TABLE OF CONTENTS Page Installation .......................................................................................................................Section A Technical Specifications .......................................................................................................
Page 10 - INSTALLATION; TEMPERATURE RANGE
15-110 VDC (5 Amps Maximum) Across the Arc Model 300 Amps 60% Duty Cycle 250 Amps 100% Duty Cycle A-1 INSTALLATION LN™-15 ACROSS THE ARC MODEL & (CE) A-1 TEMPERATURE RANGE OPERATION: - 20 o C to +50 o C (- 4 o F to +122 o F) STORAGE: - 40 o C to +70 o C (- 40 o F to +185 o F) RATED CURRENT INPUT...
Page 13 - CONNECTION DIAGRAM, ACROSS THE ARC MODEL Set-Up
A-4 INSTALLATION LN™-15 ACROSS THE ARC MODEL & (CE) A-4 Work Clamp Electrode Cable Electrode Cable Electrode Cable Work Clamp Work Clamp wire feeder K1870-1 wire feeder K1870-1 RANGER 8SAE 400 WITH CV ADAPTER ENGINE DRIVEN WELDERSWITH WIRE FEED MODULE(LOCAL MODE AND CV ADAPTER) CV250CV300CV400 C...
Page 14 - GUN AND CABLE ASSEMBLIES
A-5 INSTALLATION LN™-15 ACROSS THE ARC MODEL & (CE) A-5 GUN AND CABLE ASSEMBLIES A variety of Lincoln 10' (3.0m) or 15' (4.6m) gun and cable assemblies are available for use with the LN™- 15, including the Magnum™ models for GMAW, K126 or K115 models for Innershield®. The LN™-15 comes factory eq...
Page 15 - FEEDING WIRE ELECTRODE; • ELECTRIC SHOCK CAN KILL.
A-6 INSTALLATION LN™-15 ACROSS THE ARC MODEL & (CE) A-6 FEEDING WIRE ELECTRODE • ELECTRIC SHOCK CAN KILL. • When feeding electrode with the gun trigger, the electrode and wire drive mechanism are always "hot" t o w o r k a n d g r o u n d a n d c o u l d remain "hot" several seco...
Page 16 - OPERATION
B-1 OPERATION LN™-15 ACROSS THE ARC MODEL & (CE) B-1 • E L E C T R I C S H O C K C A N K I L L . Unless using COLD FEED fea- ture, when feeding with gun trig- g e r , t h e e l e c t r o d e a n d d r i v e mechanism are always electri- c a l l y e n e r g i z e d a n d c o u l d remain energize...
Page 17 - GENERAL DESCRIPTION; Process
B-2 OPERATION B-2 GENERAL DESCRIPTION The LN™-15 is a light weight, portable, durable semi- automatic wire feeder. T h e L N ™ - 1 5 a c c o m m o d a t e s s p o o l s 8 " ( 2 0 0 m m ) diameter up to 4" (100mm) wide. The domestic feeders comes factory equipped with a K1500-2 Magnum Tweco-c...
Page 18 - WIRE FEED SPEED KNOB; CASE FRONT CONTROLS; W I R E F E E D S P E E D D I S P L A Y -
B-3 OPERATION B-3 LN™-15 ACROSS THE ARC MODEL & (CE) 1 2 3 4 5 6 7 3. WIRE FEED SPEED KNOB - The Wire Feed Speed knob is a 3-3/4 turn potentiometer that adjusts of the rate of feeding electrode. The wire feed speed range is 50 - 700 inches/min (1.3 - 17.8 m/min) 4. TRIGGER CONNECTOR- 5 Pin Recep...
Page 19 - NORMAL POWER-UP DISPLAY; WFS
B-4 OPERATION B-4 LN™-15 ACROSS THE ARC MODEL & (CE) LN™-15 POWER-UP SEQUENCE NORMAL POWER-UP DISPLAY When power is first applied to the LN™-15, the dis- play will momentarily show set-up information. For example, it may show "CV" and "HI" , indicating oper- ation from a CV power...
Page 20 - SPRING TENSION ARM; INTERNAL CONTROLS
SPRING TENSION ARM The pressure arm controls the amount of force the drive rolls exert on the wire. Proper adjustment of both pres- sure arm gives the best welding performance. For best results, set both pressure arms to the same value. Set the pressure arm as follows (See Figure B.2a): Aluminum wir...
Page 21 - COLD FEED/GAS PURGE SWITCH
B-6 OPERATION B-6 6. Remove the outer wire guide, and push the gun bushing out of the wire drive. Because of the pre- cision fit, light tapping may be required to remove the gun bushing. 7. Disconnect the shielding gas hose from the gun bushing, if required. 8. Connect the shielding gas hose to the ...
Page 22 - STEP - TRIGGER INTERLOCK SWITCH; CAUTION
SCFH Liter/Min. 10 4.7 20 9.4 30 14.2 40 18.9 50 23.6 60 28.3 70 33.1 80 37.8 SPINDLE BRAKE Adjust the spindle brake tension to allow the spool to spin freely, yet have enough resistance for little or no overrun when wire feeding is stopped. SHIELDING GAS CONNECTION C Y L I N D E R m a y e x p l o d...
Page 23 - CONSTANT CURRENT OPERATION; Lincoln Electric does NOT recommend constant
B-8 OPERATION B-8 LN™-15 ACROSS THE ARC MODEL & (CE) CONSTANT CURRENT OPERATION ( See Figure B.3) Lincoln Electric does NOT recommend constant current semiautomatic welding for applications which need to meet specified weld metal chemical o r m e c h a n i c a l p r o p e r t y r e q u i r e m e...
Page 24 - S E T T I N G A R C S E N S I N G W I R E F E E D S P E E D
B-9 OPERATION B-9 LN™-15 ACROSS THE ARC MODEL & (CE) S E T T I N G A R C S E N S I N G W I R E F E E D S P E E D F O R C O N S T A N T C U R R E N T O P E R A T I O N When using a constant current (formerly variable voltage) power source, welding performance is im proved using arc sensing wire f...
Page 25 - MAKING A WELD
B-10 OPERATION B-10 LN™-15 ACROSS THE ARC MODEL & (CE) MAKING A WELD The serviceability of a product or structure utilizing the LN™-15 wire feeder is and must be the sole responsi- bility of the builder/user. Many variables beyond the control of The Lincoln Electric Company affect the results ob...
Page 26 - ACCESSORIES; FACTORY INSTALLED EQUIPMENT; OPTIONAL EQUIPMENT
C-1 ACCESSORIES C-1 LN™-15 ACROSS THE ARC MODEL & (CE) FACTORY INSTALLED EQUIPMENT • K1500-2 Gun Receiver Bushing. WIRE TYPE ELECTRODE SIZE KP KIT Steel Wires: .023-.030" (0.6-0.8mm) KP1696-030S (Including stainless steel) .035" (0.9mm) KP1696-035S .040-.045" (1.0-1.2mm) KP1696-045S ...
Page 27 - MAINTENANCE; ROUTINE MAINTENANCE
D-1 MAINTENANCE D-1 LN™-15 ACROSS THE ARC MODEL & (CE) ELECTRIC SHOCK can kill. • D o n o t o p e r a t e w i t h c o v e r s removed. • T u r n o f f p o w e r s o u r c e b e f o r e installing or servicing. • D o n o t t o u c h e l e c t r i c a l l y h o t parts. • T u r n t h e i n p u t p...
Page 28 - TROUBLESHOOTING; Local Lincoln Authorized Field Service Facility; HOW TO USE TROUBLESHOOTING GUIDE
E-1 TROUBLESHOOTING E-1 LN™-15 ACROSS THE ARC MODEL & (CE) If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed. CAUT...
Page 29 - PROBLEMS; OUTPUT PROBLEMS
E-2 TROUBLESHOOTING E-2 LN™-15 ACROSS THE ARC MODEL & (CE) Observe all Safety Guidelines detailed throughout this manual If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for...
Page 30 - WELDING PROBLEMS
E-3 TROUBLESHOOTING E-3 LN™-15 ACROSS THE ARC MODEL & (CE) Observe all Safety Guidelines detailed throughout this manual If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for...
Page 31 - Observe all Safety Guidelines detailed throughout this manual; Fault Code
LN™-15 ACROSS THE ARC MODEL & (CE) E-4 TROUBLESHOOTING E-4 Observe all Safety Guidelines detailed throughout this manual If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for...
Page 32 - DIAGRAMS
F-1 DIAGRAMS F-1 LN™-15 ACROSS THE ARC MODEL & (CE) NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diag ram for a particular code is pasted inside the machine on one of the enclosure panels. If the diagram is illegible, writ...
Page 34 - DIMENSION PRINT
F-3 DIMENSION PRINT F-3 LN™-15 ACROSS THE ARC MODEL & (CE) 22 .94 58 2.6 13 .65 34 6.7 5 9.2 7 23 5.4 6 8.0 0 20 3.3 3 .84 21 .3 G 4 0 5 3 -5 3 /0 3
Page 35 - NOTES