Page 2 - SAFETY; WARNING; 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
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 andthe rays of the arc when welding or observingopen arc welding. Headshield and filter lensshould conform to ANSI Z87. I standards. 4.b. Use suitable clothing made from durable...
Page 4 - iii; Refer to
iii SAFETY iii FOR ELECTRICALLYpowered equipment. 8.a. Turn off input power using the disconnect switch at the fuse box before working onthe equipment. 8.b. Install equipment in accordance with the U.S. National Electrical Code, all local codes and the manufacturer’srecommendations. 8.c. Ground the ...
Page 5 - iv; PRÉCAUTIONS DE SÛRETÉ
iv SAFETY iv PRÉCAUTIONS DE SÛRETÉ Pour votre propre protection lire et observer toutes les instructionset les précautions de sûreté specifiques qui parraissent dans cemanuel aussi bien que les précautions de sûreté générales suiv-antes: Sûreté Pour Soudage A L’Arc 1. Protegez-vous contre la secouss...
Page 6 - Conformance; b) radio and television transmitters and receivers
v v SAFETY Electromagnetic Compatibility (EMC) Conformance Products displaying the CE mark are in conformity with European Community Council Directive of 15 Dec2004 on the approximation of the laws of the Member States relating to electromagnetic compatibility,2004/108/EC. It was manufactured in con...
Page 7 - uct standard for arc welding equipment.”
SAFETY vi vi Electromagnetic Compatibility (EMC) The size of the surrounding area to be considered will depend on the structure of the building and otheractivities that are taking place. The surrounding area may extend beyond the boundaries of the premises. Methods of Reducing Emissions Mains Supply...
Page 8 - Thank You; Please Examine Carton and Equipment For Damage Immediately
vii vii Thank You 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. Save this ma...
Page 9 - TAbLE OF CONTENTS
viii viii TAbLE OF CONTENTS Page –––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– Installation .......................................................................................................................Section A Technical Specifications ......................
Page 10 - INSTALLATION; TEMPERATURE RANGE; Inches 22.2 Inches 41 lbs; PHYSICAL DIMENSIONS; Standard Speed; GMAW
A-1 INSTALLATION A-1 LN™-25 PIPE TEMPERATURE RANGE OPERATION: -40°F to 104°F (-40°C to 40°C) STORAGE: -40°F to 185°F (-40°C to 85°C) INPUT VOLTAGE and CURRENT TECHNICAL SPECIFICATIONS – LN™-25 PIPE (K2614-5) HEIGHT WIDTH DEPTH WEIGHT 14.8 Inches 8.7 Inches 22.2 Inches 41 lbs (376 mm) ( 221 mm) (589 ...
Page 11 - WELD CAbLE SIzE; CABLE SIZES FOR COMBINED LENGTHS OF ELECTRODE AND WORK CABLES; SAFETY PRECAUTIONS
WELD CAbLE SIzE Table A.1 located below are copper cable sizes rec-ommended for different currents and duty cycles.Lengths stipulated are the distance from the welder towork and back to the welder again. Cable sizes areincreased for greater lengths primarily for the purposeof minimizing cable drop. ...
Page 12 - SHIELDING GAS CONNECTION; CAbLE CONNECTIONS
A-3 INSTALLATION LN™-25 PIPE A-3 SHIELDING GAS CONNECTION C Y L I N D E R m a y e x p l o d e i f damaged. • Keep cylinder upright and chained to support. • Keep cylinder away from areas where it may be damaged. • Never lift welder with cylinder attached.• Never allow welding electrode to touch cyli...
Page 13 - WIRE DRIVE CONFIGURATION
A-4 INSTALLATION LN™-25 PIPE A-4 WIRE DRIVE CONFIGURATION (See Figure A.2) C H A N G I N G T H E G U N R E C E I V E RbUSHING ELECTRIC SHOCK can kill. • T u r n t h e i n p u t p o w e r O F F a t t h e welding power source before instal-lation or changing drive rolls and/orguides. • Do not touch el...
Page 14 - PRESSURE ARM ADJUSTMENT
THUMBSCREW GUN A-5 INSTALLATION LN™-25 PIPE A-5 PRESSURE ARM ADJUSTMENT ELECTRIC SHOCK can kill. • Turn the input power OFF at the weld- ing power source before installation orchanging drive rolls and/or guides. • Do not touch electrically live parts. • When inching with the gun trigger, electrode a...
Page 15 - CV; Power Sources with Stud Connectors and; Description
CV Power Sources with Stud Connectors and noRemote/Local Switch. (See Figure A.7) Place CV/CC switch in the feeder in the "CV" position. Work clip Work Electrode Jumper LN™-25 PIPE Ranger 250, 250 LPG Ranger 305G, 305D Ranger 10,000 Ranger 3 Phase Ranger 225GXT Ranger 225 Commander 300 Vanta...
Page 17 - OPERATION
b-1 OPERATION LN™-25 PIPE b-1 • ELECTRIC SHOCK CAN KILL. 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 emechanism are always electri-c a l l y e n e r g i z e d a n d c o u l dremain energized several sec-onds after the welding ceases.. • D...
Page 18 - DEFINITION OF WELDING TERMS; GENERAL DESCRIPTION; RECOMMENDED PROCESSES
b-2 OPERATION b-2 LN™-25 PIPE DEFINITION OF WELDING TERMS WFS • Wire Feed Speed CC • Constant Current CV • Constant Voltage GMAW • Gas Metal Arc welding SMAW • Shielded Metal Arc welding FCAW • Flux Core Arc Welding GENERAL DESCRIPTION General Physical Description The LN™-25 PIPE is specially engine...
Page 19 - WIRE FEED SPEED KNOb; CASE FRONT CONTROLS
Maximum WFS Standard Spin Gearing 280340440520600 Minimum Arc Volts 15 V17 V21 V24 V27 V WIRE FEED SPEED KNOb Wire Feed Speed, CV Operation When Across the Arc models are operated with CVpower sources, the wire feed speed will remain a con-stant value, independent of arc voltage changes, asalong as ...
Page 20 - WIRE FEED SPEED/AMPERAGE DISPLAY; W F S; A M P S
b-4 OPERATION b-4 LN™-25 PIPE THERMAL LED, MOTOR OVERLOAD The thermal light illuminates when the wiredrive motor draws too much current. If thethermal light illuminates, the wire drive willautomatically shutdown for up to 30 seconds to allowthe motor to cool. To start welding again, release thegun t...
Page 21 - Wire Feed Speed Units; US; before entering the; u n
b-5 OPERATION b-5 LN™-25 PIPE Wire Feed Speed Units To change the wire feed speed units: Rotate the WFS knob tot h e l e f t t o u s e “inches/minute” for the wire feed speed units. R o t a t e t h e W F S k n o b t ot h e r i g h t t o u s e “meters/minute” for the wire feed speed units. Then rotat...
Page 22 - LEFT DISPLAY SELECTION; To change the left display reading:; WFS KNOb RANGE; To change the WFS knob range:
b-6 OPERATION b-6 LEFT DISPLAY SELECTION The left display can show either amperage or actualWFS during welding. Note that actual WFS is not thesame as preset WFS. For example, the preset WFSmay be set to 400 ipm, but the arc voltage is only 15V.T h e a c t u a l W F S w i l l b e a p p r o x i m a t...
Page 23 - INTERNAL CONTROLS; ITEM
b-7 OPERATION b-7 INTERNAL CONTROLS LN™-25 PIPE 1 2 Step Trigger Interlock Switch 2 Pressure Adjustment Arm 3 Optional Timer Kit (See Accessories Section) 4 Spool Retainer 5 Spindle Brake 6 Gun Bushing ITEM DESCRIPTION 1 9 8 7 6 3 2 7 Thumb Screw for securing the welding Gun 8 Socket Head Cap Screw ...
Page 24 - INTERNAL CONTROLS DESCRIPTION; Step - Trigger Interlock Switch; Place the toggle switch in the; DOWN; position for 2; Step Trigger; COLD FEED PUSHbUTTON; CAUTION
b-8 OPERATION b-8 INTERNAL CONTROLS DESCRIPTION (See Figure B.2) 2 Step - Trigger Interlock Switch T h e 2 S t e p - T r i g g e r I n t e r l o c kswitch changes the function of thegun trigger. 2 Step trigger opera-tion turns welding on and off ind i r e c t r e s p o n s e t o t h e t r i g g e r ...
Page 25 - GAS PURGE PUSHbUTTON; Gas Purge Pushbutton
GAS PURGE PUSHbUTTON The gas solenoid valve will energize but neither thepower source output nor the drive motor will be turnedon. The Gas Purge switch is useful for setting theproper flow rate of shielding gas. Flow meters shouldalways be adjusted while the shielding gas is flowing. b-9 OPERATION b...
Page 26 - ACCESSORIES; FACTORY INSTALLED EQUIPMENT
C-1 ACCESSORIES C-1 LN™-25 PIPE FACTORY INSTALLED EQUIPMENT • K1500-2 Gun Receiver Bushing. DRIVE ROLL KITS (See Parts Pages) K1803-1 K1840-xx K1842-xx Work and Feeder Cables Package. Weld Power Cable, Twist-Mate to Lug. Weld Power Cable, Lug to Lug. Includes: Twist-Mate to Lug 2/0 cable 14' (1.2m) ...
Page 29 - MAINTENANCE; ROUTINE MAINTENANCE; • Check weld cables, control cables and gas hoses; PERIODIC MAINTENANCE; • Clean drive rolls and inner wire guide and replace if
ELECTRIC SHOCK can kill. • Turn the input power OFF at the w e l d i n g p o w e r s o u r c e b e f o r ei n s t a l l a t i o n o r c h a n g i n g d r i v erolls and/or guides. • D o n o t t o u c h e l e c t r i c a l l y l i v e parts. • When inching with the gun trigger, electrode and drive me...
Page 30 - TROUbLESHOOTING; Local Lincoln Authorized Field Service Facility; for technical troubleshooting assistance before you proceed.; Step 3. RECOMMENDED COURSE OF ACTION; HOW TO USE TROUbLESHOOTING GUIDE; ELECTRIC SHOCK can kill.; Code or any applicable local codes.
E-1 TROUbLESHOOTING E-1 LN™-25 PIPE 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. CAUTION This Troubleshooting Gu...
Page 31 - PRObLEMS; ERROR CODES
E-2 TROUbLESHOOTING E-2 LN™-25 PIPE 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 technical troubleshooting ...
Page 32 - Output Problems
E-3 TROUbLESHOOTING E-3 LN™-25 PIPE 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 technical troubleshooting ...
Page 34 - DIAGRAMS
F-1 DIAGRAMS F-1 LN™-25 PIPE 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 ...
Page 35 - DIMENSION PRINT
F-2 DIMENSION PRINT F-2 LN™-25 PIPE 16” C IRC LE 12” x 18” ELL IPS E 23.1 7 14.8 1 8.65 17.1 9 1 6 ” C IR C L E 1 2 ” x 1 8 ” E L L IP S E 2 3 .1 7 1 4 .8 1 8 .6 5 1 7 .1 9
Page 36 - NOTES
