Miller Electric 172 M-10 Gun manual Holding And Positioning Welding Gun

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7-3. Holding And Positioning Welding Gun

NOTE

Welding wire is energized when gun trigger is pressed. Before lowering helmet and pressing trigger, be sure wire is no more than 1/2 in (13 mm) past end of nozzle, and tip of wire is positioned correctly on seam.

1

 

 

1

Hold Gun and Control Gun

 

 

 

 

Trigger

 

 

 

2

Workpiece

 

 

3

3

Work Clamp

 

2

4

Electrode Extension (Stickout)

 

 

 

 

 

1/4 to 1/2 in (6 To 13 mm)

 

 

 

 

 

 

 

5

Cradle Gun and Rest Hand on

 

 

 

 

Workpiece

5

4

90°

0° -15°

90°

End View Of Work AngleSide View Of Gun Angle

GROOVE WELDS

45°0° -15°

45°

End View Of Work AngleSide View Of Gun Angle

FILLET WELDS

S-0421-A

OM-1318 Page 26

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Contents OM-1318187923F ProcessesDescription From Miller to You Table of Contents Page Arc Welding Hazards Symbol UsageMarks a special safety message Electric Shock can killFlying Metal can injure eyes ARC Rays can burn eyes and skinWelding can cause fire or explosion Buildup of GAS can injure or killPrincipal Safety Standards EMF Information About PacemakersUN Choc É Lectrique peut tuer Signification des symbolesConsignes DE Securite Lire Avant Utilisation LES Fumé ES ET LES GAZ peuvent ê tre dangereuxLE Soudage peut provoquer un incendie ou une explosion DES Particules Volantes peuvent blesser les yeuxLE Bruit peut affecter l’ouïe ’EMPLOI Excessif peut Risque D’INCENDIE OULA Chute DE L’APPAREIL peut blesser DES Organes Mobiles peuvent provoquer des blessuresPrincipales normes de sé curité Information sur les champs é lectromagné tiquesConsignes relatives aux stimulateurs cardiaques Specifications SpecificationsVolt-Ampere Curves Overheating Welding Power Source Duty Cycle And OverheatingWelding Gun Duty Cycle And Overheating DefinitionInstallation Installing Work ClampInstalling Welding Gun And Changing Polarity Installing Gas Supply Flow AdjustDo not move or operate unit Where it could tip Electrical Service GuideSelecting a Location And Connecting Input Power 18 in 457 mm of space for airflowInstalling Wire Spool And Adjusting Hub Tension Standard Wire Spool Standard Wire ReelTools Needed 15/16 Assembly, and let go of wire Reinstall contact tip, and nozzleWeld Parameter 14 ga 16 ga 18 ga 20 ga 22 gaOperation Wire Speed ControlVoltage Switch ControlsDrive Motor Fuse F1 Maintenance &TROUBLESHOOTINGRoutine Maintenance Short Circuit ShutdownWire Spool Nozzle Cleaning Or Repairing Drive AssemblyTurn Off power before cleaning or repairing drive assembly Turn Off power before replacing contact tipBlow out gun casing Tools Needed Remove liner Cleaning Or Replacing Gun LinerDisconnect gun from unit To Reassemble GunReplacing Switch And/Or Head Tube Disconnect gun firstRemove handle locking nut Slide handle Trouble Remedy Troubleshooting TableSecure power cord plug in receptacle see Section Motor continues to run SectionElectrical Diagram OM-1316Typical MIG Process Connections Regulator Flowmeter Wire Feeder Power Source Shielding GasMIG Welding Gmaw Guidelines Gun Workpiece Work ClampSelect Wire Size Typical MIG Process Control SettingsWire Recommendation Wire Speed Based on 1/8 in material thickness Ipm = inch per minuteHolding And Positioning Welding Gun Short Normal Long Conditions That Affect Weld Bead ShapePush PerpendicularDrag ShortNormalLongPoor Weld Bead Characteristics Good Weld Bead CharacteristicsGun Movement During Welding Troubleshooting Excessive Penetration Troubleshooting Excessive SpatterTroubleshooting Porosity Possible Causes Corrective ActionsTroubleshooting Lack Of Penetration Troubleshooting Incomplete FusionTroubleshooting Burn-Through Troubleshooting Waviness Of Bead Troubleshooting DistortionWeld bead Common MIG Shielding Gases ApplicationFlat & Horizontal1 Fillet OM-1318 Parts List Includes ItemsDia Part Description Mkgs Quantity M-10 Gun Figure -2. M-10 Gun Page Service Your distributor also givesSupport Owner’s Record Miller Electric Mfg. Co