Lincoln-electric IM990 MAGNUM PRO 350 and 550 FUME GUNS User Manual

OPERATORʼS MANUALMAGNUM PRO 350 and 550 FUME GUNSIM990October, 2008TYPE: K2649-1, K2650-1Safety Depends on YouLincoln arc welding and cuttingequipment

A-3INSTALLATION MAGNUM™ PRO 350 and 550 FUME GUNSA-3COMPATIBILITY OF WELDINGMACHINES AND WIRE FEEDERS1. If the welding process requires welding gas

A-4INSTALLATION MAGNUM™ PRO 350 and 550 FUME GUNSA-4SELECT AND INSTALL A WIRE FEEDER CONNECTION K KITManufacturerLincoln ElectricTweco AdaptedMiller

PERIODIC REPLACEMENT PARTSGun tube assembly KP2738-1Fume tube assembly KP2739-1Vacuum hose cover KP2736-1Liner assemblies See Table A.24. FUME COLLECT

A-6INSTALLATION MAGNUM™ PRO 350 and 550 FUME GUNSA-65. REMOVING THE FUME TUBE ASSEMBLY(See figure A.7)Figure A.7• Loosen locking collar (counter clo

B-1OPERATIONB-1MAGNUM™ PRO 350 and 550 FUME GUNSELECTRIC SHOCK can kill.• Do not touch electrically live partsor electrode with skin or wet cloth-ing.

B-2OPERATIONB-2MAGNUM™ PRO 350 and 550 FUME GUNSSELECTING OR CHANGING THETRIGGER POSITION (See Figure B.1)1. Trigger-down position shown.2. Loosen Loc

B-3OPERATIONB-3MAGNUM™ PRO 350 and 550 FUME GUNSPREPARE THE FUME GUN FORWELDING (Also See Installation Section)• Read all safety information in this I

C-1ACCESSORIESC-1ACCESSORIES OR OPTIONS• Optional dual-procedure switch and modular triggerconnection to wire feeder.• Spoiler: An optional ergonom

D-1MAINTENANCED-1MAGNUM™ PRO 350 and 550 FUME GUNSRECOMMENDED TOOLS• Adjustable-jaw pliers• Welding pliers (optional)• 7/16 inch open-end wrench (gas

D-2MAINTENANCED-2TRIGGER AND ACCESSORYSWITCH LEAD ROUTINGS(Gun Handle, See Figure D.1)• Route the trigger (red and white) and accessory(blue and black

FOR ENGINEpowered equipment.1.a. Turn the engine off before troubleshooting and maintenancework unless the maintenance work requires it to be running.

D-3MAINTENANCED-3GUN TUBE REPLACEMENT• Replace if worn from use; for example, if gas diffuserthreads are deforming.1. Remove consumables per this sect

D-4MAINTENANCED-46. Remove the two trigger terminals from the modulartrigger terminal housing.7. Remove the incoming connector assembly (seeItem 8 Fig

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your LocalLincoln Authorized Fi

E-2TROUBLESHOOTINGE-2MAGNUM™ PRO 350 and 550 FUME GUNSObserve all Safety Guidelines detailed throughout this manualIf for any reason you do not unders

E-3TROUBLESHOOTINGE-3MAGNUM™ PRO 350 and 550 FUME GUNSObserve all Safety Guidelines detailed throughout this manualIf for any reason you do not unders

E-4TROUBLESHOOTINGE-4MAGNUM™ PRO 350 and 550 FUME GUNSObserve all Safety Guidelines detailed througout this manualIf for any reason you do not underst

E-5TROUBLESHOOTINGE-5MAGNUM™ PRO 350 and 550 FUME GUNSObserve all Safety Guidelines detailed throughout this manualIf for any reason you do not unders

NOTESMAGNUM™ PRO 350 and 550 FUME GUNS

NOTESMAGNUM™ PRO 350 and 550 FUME GUNS

WARNINGAVISO DEPRECAUCIONATTENTIONWARNUNGATENÇÃOSpanishFrenchGermanPortugueseJapaneseChineseKoreanArabicREAD AND UNDERSTAND THE MANUFACTURER’S INSTRUC

iiSAFETYiiARC RAYS can burn.4.a. Use a shield with the proper filter and coverplates to protect your eyes from sparks andthe rays of the arc when weld

WARNINGAVISO DEPRECAUCIONATTENTIONWARNUNGATENÇÃOSpanishFrenchGermanPortugueseJapaneseChineseKoreanArabicLEIA E COMPREENDA AS INSTRUÇÕES DO FABRICANTE

• Sales and Service through Subsidiaries and Distributors Worldwide •Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB

FOR ELECTRICALLYpowered equipment.8.a. Turn off input power using the disconnectswitch at the fuse box before working onthe equipment.8.b. Install equ

ivSAFETYivPRÉCAUTIONS DE SÛRETÉPourvotre propre protection lire et observer toutes les instructionset les précautions de sûreté specifiques qui parrai

vvThank Youfor selecting a QUALITY product by Lincoln Electric. We want youto take pride in operating this Lincoln Electric Company product •••as much

TABLE OF CONTENTSPage.Installation ...Section

A-1INSTALLATION MAGNUM™ PRO 350 and 550 FUME GUNSA-1TECHNICAL SPECIFICATIONS - MAGNUM PRO FUME GUNSK2649-1 Magnum Pro 350 amp Fume GunK2650-1 Magnum

A-2INSTALLATION MAGNUM™ PRO 350 and 550 FUME GUNSA-2ASSEMBLY OF FUME GUN INTERNALPARTS (550 amp model shown)GUN HANDLE END (Figure A.3, Items 1 thr