Replacing Gun Contact Tip | Hobart Welding Products OM-947 212 149D

6-5. Replacing Gun Contact Tip

Tools Needed:

Y Turn off welding power source.

1 Nozzle Remove nozzle.

2 Contact Tip

3 Tip Adapter

Cut off welding wire at contact tip. Remove contact tip from tip adapter, and install new contact tip. Reinstall nozzle.

Ref. 804 241-A

OM-947 Page 22

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Hobart Welding Products OM-947 212 149D manual Replacing Gun Contact Tip, Turn off welding power source

Contents

File Flux Cored Fcaw ProcessesDescription From Hobart to You Table of Contents Warranty Arc Welding Hazards Symbol UsageMarks a special safety message Electric Shock can kill Flying Metal can injure eyes ARC Rays can burn eyes and skinWelding can cause fire or explosion Buildup of GAS can injure or kill California Proposition 65 Warnings About Pacemakers Principal Safety StandardsEMF Information Indique un message de sécurité particulier UNE Décharge Électrique peut entraîner la mortLES Fumées ET LES GAZ peuvent être dangereux DES Particules Volantes peuvent blesser les yeux LE Soudage peut provoquer unIncendie ou une explosion DES Pièces Chaudes peuvent provoquer des brûlures graves ’EMPLOI Excessif peut SUR Risque D’INCENDIE OU D’EXPLOLA Chute DE L’APPAREIL peut blesser DES Organes Mobiles peuvent provoquer des blessures Principales normes de sécurité En ce qui concerne les stimulateurs cardiaques Duty Cycle And Overheating − SpecificationsSpecifications Volt-Ampere Curves − InstallationInstalling Work Clamp Voltage Process/Polarity Table Changing Polarity Shielding Gas Installing Gas SupplyTools Needed 11/16, 1-1/8 Installing Wire Spool And Adjusting Hub Tension Tools Needed Do not move or operate unit where it could tip Installing Contact Tip And Nozzle Turn off welding power source Be sure that wire is positioned Threading Welding Wire150 mm Pull and hold wire cut off end Reinstall tip adapter, if applicable, contact tip Operating The Gun − OperationControls Load Weld Parameter Chart 210 Overload Protection − Maintenance &TROUBLESHOOTINGRoutine Maintenance Drive Motor Protection Changing Drive Roll Or Wire Inlet Guide Replacing Gun Contact Tip Cleaning Gun Liner Loosen liner setscrew Replacing Gun LinerHead Mm / 10 mm Tube 10 mm Does not run Troubleshooting TableTrouble Remedy − Electrical Diagram Circuit Diagram Typical MIG Process Connections − Wire Welding GuidelinesTypical Fcaw Process Connections Thickness to Amperage a Typical Control SettingsWire Size Amperage Range Select Voltage Holding And Positioning Welding Gun ShortNormalLong Conditions That Affect Weld Bead ShapeShort Normal Long Slow Normal Fast Gun Movement During Welding Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Troubleshooting − Excessive Penetration Troubleshooting − Excessive SpatterTroubleshooting − Porosity Possible Causes Corrective Actions Troubleshooting − Burn-Through Troubleshooting − Lack Of PenetrationTroubleshooting − Incomplete Fusion Troubleshooting Guide For Semiautomatic Welding Equipment Troubleshooting − Waviness Of BeadTroubleshooting − Distortion Wire does not feed − Parts List Main Assembly Optional Pkg 225− See Table Pkg Weatherproof Nylon 195 Hub Kit For 8 in Wire Spool209 Page Page Page Assistance ServiceSupport Contact your Distributor for Hobart Welding Products

Hobart Welding Products OM-947 212 149D Replacing Gun Contact Tip, Turn off welding power source

Models: OM-947 212 149D

6-5. Replacing Gun Contact Tip

Tools Needed:

Y Turn off welding power source.