Lincoln Electric MAGNUM 400 DUAL PROCEDURE IM646-A Operator's Manual
  1. Manuals
  2. Brands
  3. Lincoln Electric Manuals
  4. Welding System
  5. MAGNUM 400 DUAL PROCEDURE IM646-A
  6. Operator's manual

Lincoln Electric MAGNUM 400 DUAL PROCEDURE IM646-A Operator's Manual

Dual procedure gma gun & cable assemblies
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
MAGNUM
GMA GUN & CABLE ASSEMBLIES
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 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, think before
you act and be careful.
• Sales and Service through Subsidiaries and Distributors Worldwide •
Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com
400 DUAL PROCEDURE
®
Models
RETURN TO MAIN MENU
OPERATORʼS MANUAL
• World's Leader in Welding and Cutting Products •
K574
K1722
Copyright © Lincoln Global Inc.
IM646-A
March, 2008
K1722
K574

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the MAGNUM 400 DUAL PROCEDURE IM646-A and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Lincoln Electric MAGNUM 400 DUAL PROCEDURE IM646-A

Summary of Contents for Lincoln Electric MAGNUM 400 DUAL PROCEDURE IM646-A

  • Page 1 MAGNUM 400 DUAL PROCEDURE ® GMA GUN & CABLE ASSEMBLIES 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 thoughtful operation on your part.

  • Page 2: California Proposition 65 Warnings

    351040, Miami, Florida 33135 or CSA Standard W117.2-1974. A Free copy of “Arc Welding Safety” booklet E205 is available from the Lincoln Electric Company, 22801 St. Clair Avenue, Cleveland, Ohio 44117-1199. BE SURE THAT ALL INSTALLATION, OPERATION, MAINTENANCE AND REPAIR PROCEDURES ARE PERFORMED ONLY BY QUALIFIED INDIVIDUALS.

  • Page 3: Electric Shock Can Kill

    ELECTRIC SHOCK can kill. 3.a. The electrode and work (or ground) circuits are electrically “hot” when the welder is on. Do not touch these “hot” parts with your bare skin or wet clothing. Wear dry, hole-free gloves to insulate hands. 3.b.
  • Page 4 WELDING and CUTTING SPARKS can cause fire or explosion. 6.a. Remove fire hazards from the welding area. If this is not possible, cover them to prevent the welding sparks from starting a fire. Remember that welding materials from welding can easily go through small cracks and openings to adjacent areas.
  • Page 5 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 secousse électrique: a.
  • Page 6 Electric for advice or information about their use of our products. We respond to our customers based on the best information in our posses- sion at that time. Lincoln Electric is not in a position to warrant or guarantee such advice, and assumes no liability, with respect to such infor- mation or advice.

  • Page 7: Table Of Contents

    Installation ... Section A General Description ...A-1, A-2 Connector Kit Installation to Gun Cable ... A-3 K466-1 &-8 Installation ... A-3 K466-2 Installation ... A-3 K466-3 Installation ... A-3 K466-5 Installation ... A-4 K466-7, & -10 Installation ... A-4 Liner Installation & Trimming Instructions ... A-5 Installation of M18732 Series Liners for Feeding Aluminum Electrode ...A-5 Contact Tip and Gas Nozzle Installation ...

  • Page 8: Installation

    GENERAL DESCRIPTION The Magnum®™ 400 DP Dual Procedure GMA gun and cable assemblies have been designed to meet NEMA specification EW3 for welding with steel elec- trode using the GMAW (gas metal arc welding) and gas-shielded FCAW (flux-cored arc welding) process- es.
  • Page 9 400 AMPS at 60% DUTY CYCLE WITH CO 400 AMPS at 50% DUTY CYCLE WITH MIXED GAS Description Product Cable Wire Size Number Length (m) in. (mm) 15 ft .035 (0.9) K574-1 (4.5) .045 (1.2) 15 ft .052 (1.3) K574-2 (4.5) 1/16 (1.6) 15 ft...

  • Page 10: Safety Precautions

    Read this entire installation section before you start installation. SAFETY PRECAUTIONS WARNING ELECTRIC SHOCK can kill. • Do not touch electrically live parts such as output terminals or nal wiring. • Insulate yourself from the work and ground. • Always wear dry insulating gloves. ------------------------------------------------------------------------ Only qualified personnel should install, use or service this equipment.

  • Page 11: K466-5 Installation

    K466-5 INSTALLATION (For L-Tec Feeders equipped with an L-Tec feeder connector assembly, MIG 35, MIG 31A, 225...) a. Remove brass cable connector (see Figure B.1) from the kit and screw it onto the feeder end of the gun cable. Tighten the connection with the wrench provided.

  • Page 12: Liner Installation & Trimming Instructions

    LINER INSTALLATION AND TRIMMING INSTRUCTIONS Installation of (KP44 and KP44N liner series) a. Lay the gun and cable straight on a flat surface. b. Make sure that the set screw in the connector end is backed out so as not to damage liner or liner bushing.

  • Page 13: Contact Tip And Gas Nozzle Installation

    CONTACT TIP AND GAS NOZZLE INSTALLATION a. Choose the correct size contact tip for the elec- trode being used (wire size is stenciled on the side of the contact tip) and screw it snugly into the gas diffuser. b. Be sure the nozzle insulator is fully screwed onto the gun tube and does not block the gas holes in the diffuser.

  • Page 14: Connection To Miller Feeders

    CONNECTION TO MILLER FEEDERS Gun and cable assemblies which were assembled with a K466-3 Connector Kit will connect easily to a variety of popular Miller wire feeders. a. Check that the gun liner, connector cap liner, drive rolls and guide tubes are appropriate for the elec- trode size being used.

  • Page 15: Operation

    ELECTRODES AND EQUIPMENT The Magnum® 400 Dual Procedure guns and cables have been designed for use with Lincoln L-50 and Super Arc L-56, solid steel wire electrodes for the GMAW process and Lincoln Outershield7 cored elec- trodes for the gas-shielded FCAW process. Refer to the appropriate Lincoln Process and Procedure Guidelines for the electrode used for information on recommended electrical and visible stickouts.

  • Page 16: Maintenance

    REMOVAL, INSTALLATION TRIMMING INSTRUCTIONS MAGNUM® LINERS NOTE: The variation in cable lengths prevents the interchangeability of liners. Once a liner has been cut for a particular gun, it should not be installed in anoth- er gun, unless it can meet the liner cut off length requirement.
  • Page 17 CABLE d) Remove gun tube connector from cable by unscrewing connector nut from gun tube connec- tor. If the cable inner tube is difficult to remove from the connector assembly, carefully slit it length- wise with a knife up to the brass connector. e) Uncouple the strain relief by pushing its outer housing toward the middle of the cable.
  • Page 18 g) Check that the cable boot and both halves of the strain relief are on the cable. Slip the connector nut over the copper strands with the thread end out. Orient gun tube connector so machined flat is on the same side of the cable as the red and white control leads.

  • Page 19: Wire Feeder End Repair

    For K1722: Connect the black lead and the white lead to the gun trigger. Connect the other leads to the rocker switch leads. (See Figure E.5). STRAIN RELIEF STRAIN RELIEF HOUSING CABLE BOOT j) Position the cable boot and strain relief on the cable so it fits in cable handle cavity and lock the strain relief in place by pushing the two halves together.
  • Page 20 c) Remove incoming connector from cable by unscrewing connector nut from incoming connec- tor. If the cable inner tube is difficult to remove from the connector assembly, carefully slit it length- wise with a knife up to the brass connector. d) Move the cable boot, cable handle, and strain relief toward the middle of the cable past the damaged section.
  • Page 21 For K1722: The control cable leads should be connected to the same color leads on the gun cable. Insulate each of the solder connections with either heat shrink tubing or electrical tape. Anchor leads as shown in Figure h) Position cable boot and cable handle on cable. Move the connector cover into position while pulling control cables to take up the slack.

  • Page 22: Thread Sizes For Magnum® 400 Consumables

    MAINTENANCE THREAD SIZES FOR MAGNUM® 400 CONSUMABLES MAGNUM® 400 DUAL PROCEDURE GUNS...

  • Page 23: How To Use Troubleshooting Guide

    HOW TO USE TROUBLESHOOTING GUIDE 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.

  • Page 24: Troubleshooting

    Observe all Safety Guidelines detailed throughout this manual PROBLEMS (SYMPTOMS) Drive rolls turn, but wire will not feed or wire feeding is rough. Variable or “hunting” arc. 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.
  • Page 25 Observe all Safety Guidelines detailed throughout this manual PROBLEMS (SYMPTOMS) Poor arc striking with sticking or “blast-offs”, weld porosity, narrow and ropy looking bead, or electrode stubbing into plate while welding. Tip seizes in diffuser. 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.
  • Page 26 NOTES MAGNUM® 400 DUAL PROCEDURE GUNS...
  • Page 27 NOTES MAGNUM® 400 DUAL PROCEDURE GUNS...
  • Page 28 NOTES MAGNUM® 400 DUAL PROCEDURE GUNS...
  • Page 29 NOTES MAGNUM® 400 DUAL PROCEDURE GUNS...
  • Page 30 WARNING Spanish AVISO DE PRECAUCION French ATTENTION German WARNUNG Portuguese ATENÇÃO Japanese Chinese Korean Arabic...
  • Page 31 Spanish PRECAUCION French ATTENTION German Portuguese Japanese Chinese Korean Arabic WARNING AVISO DE WARNUNG ATENÇÃO...
  • Page 32 • World's Leader in Welding and Cutting Products • • Sales and Service through Subsidiaries and Distributors Worldwide • Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com...

This manual is also suitable for:

Magnum 400K574K1722

Table of Contents