Instruction/ maintenance manual of the product MAGNUM 350 Lincoln Electric
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OPERA T ORʼS MANUAL MA GNUM PRO 350 and 550 FUME GUNS IM990 October , 2008 TYPE: K2649-1, K2650-1 Safety Depends on Y ou Lincoln arc welding and cutting equipment is designed and built with safety in mind. However , your overall safety can be increased by pr oper installation .
FOR ENGINE powered equipment. 1.a. T urn 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.
ii SAFETY ii ARC RA YS can burn. 4.a. Use a shield with the proper filter and cover plates to protect your eyes from sparks and the rays of the arc when welding or observing open arc welding. Headshield and filter lens should conform to ANSI Z87. I standards.
FOR ELECTRICALL Y powered equipment. 8.a. T urn of f input power using the disconnect switch at the fuse box before working on the equipment. 8.b. Install equipment in accordance with the U.S. National Electrical Code, all local codes and the manufacturer ʼs recommendations.
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 L ʼArc 1.
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.
T ABLE OF CONTENTS Page . Installation ..........................................................................................................Section A T echnical Specifications ......................................................................
A-1 INST ALLA TION MAGNUM™ PRO 350 and 550 FUME GUNS A-1 TECHNICAL SPECIFICA TIONS - MAGNUM PRO FUME GUNS K2649-1 Magnum Pro 350 amp Fume Gun K2650-1 Magnum Pro 550 amp Fume Gun GMA W (MIG), FCA W (also FCA W -SS), and FCA W-GS on ferrous base metals.
A-2 INST ALLA TION MAGNUM™ PRO 350 and 550 FUME GUNS A-2 ASSEMBL Y OF FUME GUN INTERNAL P ARTS (550 amp model shown) GUN HANDLE END (Figure A.3, Items 1 thru 7) 1. T wo spiders support the handle and allow it to swiv- el around the gun tube assembly for T rigger-Down (shown) or T rigger-Up Positions.
A-3 INST ALLA TION MAGNUM™ PRO 350 and 550 FUME GUNS A-3 COMP A TIBILITY OF WELDING MACHINES AND WIRE FEEDERS 1. If the welding process requires welding gas (FCAW - GS, GMA W , or MIG), then either the welding machine or feeder must be equipped with a gas solenoid valve to supply welding gas to the fume gun.
A-4 INST ALLA TION MAGNUM™ P RO 350 and 550 FUME GUNS A-4 SELECT AND INST ALL A WIRE FEEDER CONNECTION K KIT Manufacturer Lincoln Electric T weco Adapted Miller Hobart ESAB 350 amp K466-1 K466-8 K46.
PERIODIC REPLACEMENT P ARTS Gun tube assembly KP2738-1 Fume tube assembly KP2739-1 V acuum hose cover KP2736-1 Liner assemblies See T able A.2 4. FUME COLLECTION NOZZLE (See Figure A.6) Figure A.6 • Select the fume collection nozzle to match the weld- ing process.
A-6 INST ALLA TION MAGNUM™ PRO 350 and 550 FUME GUNS A-6 5. REMOVING THE FUME TUBE ASSEMBL Y (See figure A.7) Figure A.7 • Loosen locking collar (counter clockwise, right-hand threads) on fume tube. Gas diffuser may remain in place. • Slide the fume tube out of the gun handle.
B-1 OPERA TION 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.
B-2 OPERA TION B-2 MAGNUM™ PRO 350 and 550 FUME GUNS SELECTING OR CHANGING THE TRIGGER POSITION (See Figure B.1) 1. T rigger-down position shown. 2. Loosen Locking Collar (counter clockwise, right- hand threads on fune tube. 3, Hold fume tube stationary .
B-3 OPERA TION B-3 MAGNUM™ PRO 350 and 550 FUME GUNS PREP ARE THE FUME GUN FOR WELDING (Also See Installation Section ) • Read all safety information in this Instruction Manual. • V erify that input power to the machine and the wire feeder is disconnected.
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.
D-1 MAINTENANCE D-1 MAGNUM™ PRO 350 and 550 FUME GUNS RECOMMENDED T OOLS • Adjustable-jaw pliers • Welding pliers (optional) • 7/16 inch open-end wrench (gas diffuser , gas plug or fitting, gu.
D-2 MAINTENANCE D-2 TRIGGER AND ACCESSOR Y SWITCH LEAD ROUTINGS (Gun Handle, See Figure D.1) • Route the trigger (red and white) and accessory (blue and black) leads following the steps shown below .
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 locking collar from handle, and remove left side of handle.
D-4 MAINTENANCE D-4 6. Remove the two trigger terminals from the modular trigger terminal housing. 7. Remove the incoming connector assembly (see Item 8 Figure A.4, Installation Section) from the gun cable. 8. Remove the damaged gun cable by sliding it rear- ward from the vacuum hose.
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 T roubleshooting Guide is provided to help you locate and repair possible machine malfunctions.
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 p.
E-3 TROUBLESHOOTING E-3 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 p.
E-4 TROUBLESHOOTING E-4 MAGNUM™ P RO 350 and 550 FUME GUNS Observe all Safety Guidelines detailed througout this manual If for any reason you do not understand the test procedures or are unable to p.
E-5 TROUBLESHOOTING E-5 MAGNUM™ P RO 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 .
NOTES MAGNUM™ PRO 350 and 550 FUME GUNS.
NOTES MAGNUM™ PRO 350 and 550 FUME GUNS.
WA R N I N G AV I S O D E PRECAUCION A TTENTION W ARNUNG A TENÇÃO Spanish French German Portuguese Japanese Chinese Korean Arabic READ AND UNDERST AND THE MANUFACTURER’S INSTRUCTION FOR THIS EQUIPMENT AND THE CONSUMABLES TO BE USED AND FOLLOW YOUR EMPLOYER’S SAFETY PRACTICES.
W ARNING AV I S O D E PRECAUCION A TTENTION W ARNUNG A TENÇÃO Spanish French German Portuguese Japanese Chinese Korean Arabic LEIA E COMPREENDA AS INSTRUÇÕES DO F ABRICANTE P ARA ESTE EQUIP AMENTO E AS PAR TES DE USO, E SIGA AS PRÁTICAS DE SEGURANÇA DO EMPREGADOR.
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An important point after buying a device Lincoln Electric MAGNUM 350 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Lincoln Electric MAGNUM 350 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Lincoln Electric MAGNUM 350 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Lincoln Electric MAGNUM 350 you will learn all the available features of the product, as well as information on its operation. The information that you get Lincoln Electric MAGNUM 350 will certainly help you make a decision on the purchase.
If you already are a holder of Lincoln Electric MAGNUM 350, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Lincoln Electric MAGNUM 350.
However, one of the most important roles played by the user manual is to help in solving problems with Lincoln Electric MAGNUM 350. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Lincoln Electric MAGNUM 350 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
