Hobart Welding Products OM-947 212 149D manual 10 mm

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6-7. Replacing Gun Liner (Continued)

When liner exits cable at gun handle, guide liner into head tube. Continue to push liner until it exits end of head tube.

13/16 in (21 mm)

8 mm

Insert retaining nut into adapter, and adjust liner stickout as shown. Tighten retaining nut. Reinstall cable end into drive housing with retaining grooves inserted into the two retaining ribs. Be sure to position gas hose up. Position liner in groove so that end is flush with back of groove, adjust if necessary

3/8 in (10 mm)

Be sure that cable is straight. Tighten liner setscrew. Cut liner so that 3/8 in (10 mm) sticks out of head tube. File down any sharp points on liner after cutting to length.

Reassemble gun by placing head tube and cable into one half of handle. Be sure trigger is properly installed into trigger slot.

8 mm

Thread welding wire through gun (see Section 4-8). Reinstall adapter, contact tip, and nozzle.

Reinstall cover onto wire drive assembly, and secure with screws (3).

Place other half of handle over head tube and cable.

Slide locking rings over top and bottom of handle, and secure by twisting rings clockwise 1/4 turn.

OM-947 Page 25

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Contents File Flux Cored Fcaw ProcessesDescription From Hobart to You Table of Contents Warranty Marks a special safety message Symbol UsageArc Welding Hazards Electric Shock can killWelding can cause fire or explosion ARC Rays can burn eyes and skinFlying Metal can injure eyes Buildup of GAS can injure or killCalifornia 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 Incendie ou une explosion LE Soudage peut provoquer unDES Particules Volantes peuvent blesser les yeux DES Pièces Chaudes peuvent provoquer des brûlures gravesLA Chute DE L’APPAREIL peut blesser Risque D’INCENDIE OU D’EXPLO’EMPLOI Excessif peut SUR DES Organes Mobiles peuvent provoquer des blessuresEn ce qui concerne les stimulateurs cardiaques Principales normes de sécuritéDuty Cycle And Overheating − SpecificationsSpecifications Installing Work Clamp − InstallationVolt-Ampere Curves VoltageChanging Polarity Process/Polarity TableShielding Gas Installing Gas SupplyTools Needed 11/16, 1-1/8 Tools Needed Installing Wire Spool And Adjusting Hub TensionDo not move or operate unit where it could tip Turn off welding power source Installing Contact Tip And Nozzle150 mm Pull and hold wire cut off end Threading Welding WireBe sure that wire is positioned Reinstall tip adapter, if applicable, contact tipControls − OperationOperating The Gun LoadWeld Parameter Chart 210 Routine Maintenance − Maintenance &TROUBLESHOOTINGOverload Protection Drive Motor ProtectionChanging 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 Circuit Diagram − Electrical DiagramTypical MIG Process Connections − Wire Welding GuidelinesTypical Fcaw Process Connections Wire Size Amperage Range Typical Control SettingsThickness to Amperage a Select VoltageHolding And Positioning Welding Gun Short Normal Long Conditions That Affect Weld Bead ShapeShortNormalLong Slow Normal FastGun Movement During Welding Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Troubleshooting − Porosity Troubleshooting − Excessive SpatterTroubleshooting − Excessive Penetration Possible Causes Corrective ActionsTroubleshooting − Burn-Through Troubleshooting − Lack Of PenetrationTroubleshooting − Incomplete Fusion Troubleshooting − Distortion Troubleshooting − Waviness Of BeadTroubleshooting Guide For Semiautomatic Welding Equipment Wire does not feedMain Assembly − Parts ListOptional − See Table 225Pkg PkgWeatherproof Nylon 195 Hub Kit For 8 in Wire Spool209 Page Page Page Assistance ServiceSupport Hobart Welding Products Contact your Distributor for