Lincoln Electric 350 - Manual

Page 2 - SAFETY; WARNING; CALIFORNIA PROPOSITION 65 WARNINGS

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 fumesoutdoors. ...

Page 3 - ELECTRIC SHOCK can kill.

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 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; On-Line Product Registration; 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 - TABLE OF CONTENTS

TABLE OF CONTENTS Page . Installation ..........................................................................................................Section A Technical Specifications ...............................................................................................A-1Unpacking the Spool Gun...

Page 8 - INSTALLATION; TECHNICAL SPECIFICATIONS - MAGNUM PRO FUME GUNS

A-1 INSTALLATION MAGNUM™ PRO 350 and 550 FUME GUNS A-1 TECHNICAL SPECIFICATIONS - MAGNUM PRO FUME GUNS K2649-1 Magnum Pro 350 amp Fume GunK2650-1 Magnum Pro 550 amp Fume Gun GMAW (MIG), FCAW (also FCAW-SS), and FCAW-GS on ferrous base metals. Lincoln Super Arc, Super Glide, Innershield, and Outershi...

Page 9 - UNPACKING THE FUME GUN; FUME GUN FAMILIARIZATION

A-2 INSTALLATION MAGNUM™ PRO 350 and 550 FUME GUNS A-2 ASSEMBLY OF FUME GUN INTERNALPARTS (550 amp model shown) GUN HANDLE END (Figure A.3, Items 1 thru 7) 1. Two spiders support the handle and allow it to swiv- el around the gun tube assembly for Trigger-Down(shown) or Trigger-Up Positions. 2. Gun ...

Page 10 - SAFETY PRECAUTIONS

A-3 INSTALLATION MAGNUM™ PRO 350 and 550 FUME GUNS A-3 COMPATIBILITY OF WELDINGMACHINES AND WIRE FEEDERS 1. If the welding process requires welding gas (FCAW- GS, GMAW, or MIG), then either the weldingmachine or feeder must be equipped with a gassolenoid valve to supply welding gas to the fumegun. 2...

Page 11 - SELECT AND INSTALL A WIRE FEEDER CONNECTION K KIT; Manufacturer

A-4 INSTALLATION MAGNUM™ PRO 350 and 550 FUME GUNS A-4 SELECT AND INSTALL A WIRE FEEDER CONNECTION K KIT Manufacturer Lincoln Electric Tweco Adapted Miller Hobart ESAB 350 amp K466-1 K466-8 K466-10K466-10 K466-6 nonenonenone K466-2 K466-3 K466-4 K466-7 K466-5 550 amp none nonenonenonenone K613-1K613...

Page 14 - OPERATION

B-1 OPERATION B-1 MAGNUM™ PRO 350 and 550 FUME GUNS ELECTRIC SHOCK can kill. • Do not touch electrically live parts or electrode with skin or wet cloth-ing. • Insulate yourself from work and ground. • Always wear dry insulating gloves.• Read and follow “Electric Shock Warnings” in the Safety section...

Page 16 - MAKE THE WELD

B-3 OPERATION B-3 MAGNUM™ PRO 350 and 550 FUME GUNS PREPARE THE FUME GUN FORWELDING (Also See Installation Section ) • Read all safety information in this Instruction Manual. • Verify that input power to the machine and the wire feeder is disconnected. LOAD SPECIFIED WIRE INTO THEGUN 1. Refer to wel...

Page 17 - ACCESSORIES; ACCESSORIES OR OPTIONS

C-1 ACCESSORIES C-1 ACCESSORIES OR OPTIONS • Optional dual-procedure switch and modular trigger connection to wire feeder. • Spoiler: An optional ergonomic hand grip. MAGNUM™ PRO 350 and 550 FUME GUNS

Page 18 - MAINTENANCE; RECOMMENDED TOOLS

D-1 MAINTENANCE D-1 MAGNUM™ PRO 350 and 550 FUME GUNS RECOMMENDED TOOLS • Adjustable-jaw pliers• Welding pliers (optional)• 7/16 inch open-end wrench (gas diffuser, gas plug or fitting, gun tube wrench flats) • 1-1/8 inch open-end wrench (incoming connector)• 9/64 inch allen wrench (handle screws)• ...

Page 20 - GUN TUBE REPLACEMENT

D-3 MAINTENANCE D-3 GUN TUBE REPLACEMENT • Replace if worn from use; for example, if gas diffuser threads are deforming. 1. Remove consumables per this section, Gas Diffuser Replacement . 2. Remove swivel assembly at rear of handle (ccw, right-hand threads), remove fume tubeʼs lockingcollar from han...

Page 22 - CAUTION; TROUBLESHOOTING; HOW TO USE TROUBLESHOOTING GUIDE

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 Guide is provided to help youlocate an...

Page 23 - PROBLEMS

E-2 TROUBLESHOOTING E-2 MAGNUM™ PRO 350 and 550 FUME GUNS 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 tech...

Page 27 - NOTES