Lincoln Electric 550, 350 manual Selecting or Changing, Trigger Position See Figure B.1

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B-2	OPERATION	B-2

SELECTING OR CHANGING THE

TRIGGER POSITION (See Figure B.1)

FIGURE B.1

1. Trigger-down position shown.

4. Tighten locking collar (clockwise).

2.Loosen Locking Collar (counter clockwise, right- hand threads on fune tube.

5. Trigger-up position shown.

3, Hold fume tube stationary. Rotate handle Counter- clockwise (counter clockwise).

MAGNUM™ PRO 350 and 550 FUME GUNS

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Contents IM990 California Proposition 65 Warnings SafetyElectric Shock can kill Iii Welding and Cutting Sparks can Cause fire or explosionSûreté Pour Soudage a LʼArc Précautions DE SûretéThank You Table of Contents Installation Technical Specifications Magnum PRO Fume GunsMagnum PRO 350 and 550 Fume Guns Unpacking the Fume GUN Feeder END Figure A.2, Items 1 thruFeeder END Figure A.4, Items 1 thru Preparing the Fume GUN for Welding Safety PrecautionsCompatibility of Welding Machines and Wire Feeders Prepare the Welding Machine and Wire Feeder as followsKit No. for Gun Model Select and Install a Wire Feeder Connection K KIT Select and Install GUN Consumable Parts Wire Diameter 350 amp 550 amp KP Nos. for Gun Model Connect the GUN to the Wire Feeder Removing the Fume Tube Assembly See figure A.7Connect the GUN to the Fume Collection System Product Description OperationTrigger Position See Figure B.1 Selecting or ChangingMake the Weld Load Specified Wire Into the GUNWelding Also See Installation Section Prepare the Fume GUN forAccessories or Options AccessoriesLiner Assembly Cleaning or Replacement MaintenanceRoutine Cleaning Inspections GAS Diffuser ReplacementGun Handle, See Figure D.1 Trigger and Accessory Switch Lead RoutingsAssembly Cleaning or Replacement GUN Tube ReplacementTrigger Assembly Replacement GUN Cable Assembly ReplacementMaintenance HOW to USE Troubleshooting Guide TroubleshootingProblems Path Unkinked wire emerges Poor fume extraction Possible Areas Recommended Symptoms Possible Recommended Symptoms Cause Course of Action Magnum PRO 350 and 550 Fume Guns Magnum PRO 350 and 550 Fume Guns Precaucion Aviso DE

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