Lincoln Electric Magnum PRO 350 Operator's Manual
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Lincoln Electric Magnum PRO 350 Operator's Manual

Lincoln Electric Magnum PRO 350 Operator's Manual

Dual procedure and dual schedule
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Operator's Manual
Magnum PRO
Dual Procedure and Dual Schedule
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Date Purchased
Code: (ex: 10859)
Serial: (ex: U1060512345)
IM10113-A
| Issue D ate Dec-15
© Lincoln Global, Inc. All Rights Reserved.
®
350/450/550
K3131-[ ]
For use with machines having Code Numbers:
K3132-[ ]
K3133-[ ]
Magnum PRO 450 Dual Procedure and Dual Schedule
meet the following specification(s):
IEC 60974-7:2013
GB 15579.7: 2013
K3134-[ ]
K3135-[ ]
K3136-[ ]

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Summary of Contents for Lincoln Electric Magnum PRO 350

  • Page 1 Operator’s Manual ® Magnum PRO 350/450/550 Dual Procedure and Dual Schedule K3131-[ ] K3134-[ ] For use with machines having Code Numbers: K3132-[ ] K3135-[ ] K3133-[ ] K3136-[ ] Magnum PRO 450 Dual Procedure and Dual Schedule meet the following specification(s): IEC 60974-7:2013 GB 15579.7: 2013 Register your machine:...
  • Page 2 THANK YOU FOR SELECTING A QUALITY PRODUCT BY KEEP YOUR HEAD OUT OF THE FUMES. DON’T get too close to the arc. LINCOLN ELEC TRIC. Use corrective lenses if necessary to stay a reasonable distance away from the arc. READ and obey the Safety Data PLEASE EXAMINE CARTON AND EQUIPMENT FOR Sheet (SDS) and the warning label DAMAGE IMMEDIATELY...
  • Page 3 W117.2-1974. A Free copy of “Arc Welding Safety” booklet E205 is available from the Lincoln Electric Company, 2.d. All welders should use the following procedures in order to 22801 St. Clair Avenue, Cleveland, Ohio 44117-1199.
  • Page 4 SAFETY ELECTRIC SHOCK ARC RAYS CAN BURN. CAN KILL. 3.a. The electrode and work (or ground) circuits are 4.a. Use a shield with the proper filter and cover plates to protect your electrically “hot” when the welder is on. Do eyes from sparks and the rays of the arc when welding or not touch these “hot”...
  • Page 5 SAFETY WELDING AND CUTTING CYLINDER MAY EXPLODE IF SPARKS CAN CAUSE DAMAGED. FIRE OR EXPLOSION. 7.a. Use only compressed gas cylinders containing the correct shielding gas for the process used 6.a. Remove fire hazards from the welding area. If and properly operating regulators designed for this is not possible, cover them to prevent the welding sparks the gas and pressure used.

  • Page 6: Table Of Contents

    TABLE OF CONTENTS Page General Description ..................... Section A Installation ........................Section B Connector Kit Installation to Gun Cable ................B-1 K466-1 &-8 Installation ....................B-1 K466-2 Installation ...................... B-1 K466-3 Installation ...................... B-1 K466-6, 7, 9 & 10 Installation ..................B-2 Liner and Trimming Installation ..................
  • Page 7 GENERAL DESCRIPTION GENERAL DESCRIPTION The K466-8 connector kit allows connection of MAG- PRO DP and DS guns to an LN8 or LN9 when ® 1/16 and larger electrode is used. The MAGNUM PRO 350, 450 AND 550 DP (DUAL ® PROCEDURE) and DS (DUAL SCHEDULE) gun and The K466-10 connector kit allows connection of MAG- cable assemblies have been designed to meet NEMA...

  • Page 8: General Description

    GENERAL DESCRIPTION MAGNUM® PRO 350 DP (350 amperes AT 100% DUTY CYCLE WITH CO 275 amperes AT 100% DUTY CYCLE WITH MIXED GAS) Description Contact Tips Product Cable Wire Size Standard Diffuser Cable Gun Tube Number Length (m) in. (mm) Duty Assembly Nozzle...
  • Page 9 GENERAL DESCRIPTION MAGNUM® PRO 450 DS (450 amperes AT 60% DUTY CYCLE WITH CO 325 amperes AT 100% DUTY CYCLE WITH MIXED GAS) Description Contact Tips Product Cable Wire Size Standard Diffuser Cable Gun Tube Number Length (m) in. (mm) Duty Assembly Nozzle...

  • Page 10: Installation

    INSTALLATION Read this entire installation section before you c. Attach the round connector of the gun control cable start installation. provided to the trigger connector on the front of the Lincoln feeder. (NOTE: Both the plug and socket SAFETY PRECAUTIONS are keyed and must be properly oriented.) WARNING d.

  • Page 11: Liner And Trimming Installation

    INSTALLATION For K466-3 and K466-4, screw in the connector K466-7 and K466-10 Installation (Hobart Series cap provided in the kit until it seats on the face of 2000 Feeders and Lincoln 10 Series Feeders) the bushing. Then insert the appropriate piece of liner material into the connector cap and tighten the a.

  • Page 12: Installation Of Series Liners For Feeding Aluminum Electrode

    INSTALLATION INSTALLATION OF M18732 SERIES LINERS FOR b. Install the appropriate gas nozzle onto the diffuser. FEEDING ALUMINUM ELECTRODE The proper nozzle should be selected based on the welding application. Different length nozzles are 1. Lay the gun out straight on a flat surface and available to fit 350, 450 and 550 amp gun tubes to remove the gas nozzle.

  • Page 13: Connection To Tweco Adapted Feeders

    INSTALLATION CONNECTION TO TWECO ADAPTED FEEDERS CONNECTION TO LINCOLN 10 SERIES FEEDERS Gun cable assemblies which were assembled with a Gun cable assemblies which were assembled with a K466-2 Connection Kit will connect easily to any prop- K466-10 Connection Kit or K471-21 thru -23 gun and erly adapted feeder.

  • Page 14: Operation

    OPERATION ELECTRODES AND EqUIPMENT a. Check that the welding power source is on and that the shielding gas supply is set for the proper flow rate. The MAGNUM PRO DP and DS and cables have ® been designed for use with Lincoln L-50 and Super b.

  • Page 15: Maintenance

    MAINTENANCE REMOVAL, INSTALLATION AND GUN CABLES TRIMMING INSTRUCTIONS FOR CABLE CLEANING MAGNUM LINERS ® Clean cable liner after using approximately 300 NOTE: The variation in cable lengths prevents the pounds (136 kg) of electrode. Remove the cable from interchangeability of liners. Once a liner has been cut the wire feeder and lay it out straight on the floor.
  • Page 16 MAINTENANCE TRIM CORE TUBE FLUSH WITHIN ± .125 (3.18mm) OF CABLE JACKET. CORE TUBE MAY RETRACT 3.50 (88.9) LEAD LENGTH .30 (7.5mm) MAXIMUM AFTER TRIMMING. 3.25 (82.6) (4 PLACES) SKIN LEADS ONLY TO DIMENSION SHOWN. 1.000 (25.4mm) .875 (22.2) COPPER .13 (3.3mm) STRANING SKIN...
  • Page 17 MAINTENANCE g) Check that the cable boot and both halves of the Keeping the copper strands against the shoulder, pull strain relief are on the cable. Slip the connector the connector nut over the copper strands, engage the nut over the copper strands with the thread end gun tube connector threads, and tighten in place.
  • Page 18 MAINTENANCE For DP: 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). HAND LEFT CABLE ASSEMBLY CABLE BOOT GUN TUBE TRIGGER WIRES (ROCKER SWITCH NOT SHOWN) (BLACK AND WHITE LEADS) 1.
  • Page 19 MAINTENANCE c) Remove incoming connector from cable by Position the plastic strain relief such that the tapered unscrewing connector nut from incoming connec- end is 4.68 (119 mm) from the incoming connector tor. If the cable inner tube is difficult to remove (See Figure E.6).
  • Page 20 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.

  • Page 21: Troubleshooting

    TROUBLESHOOTING Observe all Safety Guidelines detailed throughout this manual PROBLEMS POSSIBLE (SYMPTOMS) CAUSE RECOMMENDED PROBLEMS COURSE OF ACTION Drive rolls turn, but wire will not 1. Gun cable kinked and/or twisted. 1. Keep as straight as possible. feed or wire feeding is rough. Inspect cable and replace if nec- essary.
  • Page 22 TROUBLESHOOTING Observe all Safety Guidelines detailed throughout this manual PROBLEMS POSSIBLE (SYMPTOMS) CAUSE RECOMMENDED PROBLEMS COURSE OF ACTION Poor arc striking with sticking or 1. Improper procedures or tech- 1. See “Gas Metal Arc Welding “blast-offs”, weld porosity, narrow niques. Guide”...
  • Page 23 NOTES MAGNUM® PRO 350, 450 AND 550 DUAL PROCEDURE & DUAL SCHEDULE...
  • Page 24 NOTES MAGNUM® PRO 350, 450 AND 550 DUAL PROCEDURE & DUAL SCHEDULE...
  • Page 25 WARNING Do not touch electrically live parts or Keep flammable materials away. Wear eye, ear and body protection. electrode with skin or wet clothing. Insulate yourself from work and AVISO DE ground. Spanish PRECAUCION No toque las partes o los electrodos Mantenga el material combustible Protéjase los ojos, los oídos y el bajo carga con la piel o ropa moja-...
  • Page 26 WARNING Keep your head out of fumes. Turn power off before servicing. Do not operate with panel open or Use ventilation or exhaust to guards off. remove fumes from breathing zone. AVISO DE Spanish PRECAUCION Los humos fuera de la zona de res- Desconectar el cable de ali- No operar con panel abierto o piración.
  • Page 27 Lincoln Electric for advice or information about their use of our products. We respond to our customers based on the best information in our possession at that time. Lincoln Electric is not in a position to warrant or guarantee such advice, and assumes no liability, with respect to such information or advice.

This manual is also suitable for:

Magnum pro 450Magnum pro 550

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