Lincoln Electric IM318-B - Manuals

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

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 manufacturerʼsrecommendations. 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 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 LʼArc 1. Protegez-vous contre la seco...

Page 6 - Thank You; Please Examine Carton and Equipment For Damage Immediately

v v 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 manual...

Page 7 - Failure to fuse the input lines per the specifications in this; INSTALLATION; NOTE; OUTPUT CONNECTION (Turn Power Source; FALLING; ELECTRIC SHOCK

-5- LOCATION Install the welder in a dry location where there is free cir-culation of air in through the louvers in the front and outthrough the louvers in the back of the case. A location whichminimizes the amount of smoke and dirt drawn into themachine reduces the chance of dirt accumulation that ...

Page 8 - DUTY CYCLE; To Set Polarity; RATINGS; OPERATING INSTRUCTIONS

INSTALLATION e. Optional Remote Control (K775) This control is included as part of the “NL Option”.C o n n e c t i t t o t h e “ N L O p t i o n ” b o x p e r i n s t r u c t i o n sshipped with the option. (Not required with the NA-3,NA-5, LT-7 or LT-56.) It can be purchased separately when the DC-...

Page 9 - To Set for Machine or Remote Control

OPERATING INSTRUCTIONS To Set for Machine or Remote Control The output can be controlled either at the wire feeder orthe DC-1500. When the NL Option Kit is installed, how-ever, output is controlled only from the K775 Remote Con-trol usually mounted at the wire feeder. To adjust the output from the w...

Page 13 - MAINTENANCE; Operation When Connected to the LT-3 or LT-34; OVERLOAD PROTECTION

MAINTENANCE 3. Remove the blue jumper lead connected between #1 on the coil of the main relay and #7 on the coil of thetransfer relay. (The main relay is the upper right relaywhen facing the left end of the control box. The transferrelay is just to the left of the main relay.) 4. Replace the LAF-3 c...

Page 14 - TROUBLESHOOTING GUIDE; Observe all Safety Guidelines detailed throughout this manual; CAUTION; PROBLEMS; ELECTRIC SHOCK can kill.; • Turn the input supply power OFF

-12- TROUBLESHOOTING GUIDE 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 the Lincoln ElectricService Department for technical troubleshooting assistance before you p...

Page 15 - ELECTRIC

TROUBLESHOOTING GUIDE P.C. BOARD TROUBLESHOOTING GUIDE PROBLEMS (SYMPTOMS) POSSIBLE CAUSE REMEDY Variable or sluggish welding arc. a. Poor work or electrode connection. a. Check and clean all connections. b. Welding leads too small. b. Check table on page 4. c. Welding current or voltage too low. c....

Page 16 - OUTLINE FOR DC-1500 TROUBLESHOOTING GUIDE

P.C. BOARD TROUBLESHOOTING GUIDE 3. LED L3 indicates power is being applied to fault pro- tection relay 2CR, when wire feeder button is pressedor jumper is connected across 2 and 4. 4. LED L4 indicates when fault protection circuit is being activated. 5. LED L5 indicates a control signal is being su...

Page 17 - DIAGRAMS; ram for a particular code is pasted inside

DIAGRAMS -15- 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, write to the Service Department for a replacem...

Page 20 - DIMENSION PRINT

DIMENSION PRINT -18- 15.28 22.30 53.50 36.12 20.00 38.00 3.69 .406 DIA. MTG. HOLES S-15709 4-18-75B4 -1 8 -7 5 B