Miller Electric 172 M-10 Gun Assembly, and let go of wire, Reinstall contact tip, and nozzle

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3-7. Installing Drive Roll, Wire Guide And Threading Welding Wire

Tools Needed:

1

2

1 Drive roll

Choose correct drive roll for wire type, and align drive roll with flat spot on shaft. Slide drive roll onto shaft and secure with screw.

2 Inlet Wire Guide

Remove guide by pressing on barbed area or cutting off one end near housing and pulling it out of hole. Push new guide into hole from rear until it snaps in place.

 

 

4 in

 

 

(102 mm)

 

6 in

 

 

(150 mm)

 

Open pressure assembly.

Pull and hold wire; cut off end.

Push wire thru guides into gun;

 

 

continue to hold wire.

Close and tighten pressure

Remove gun nozzle and contact tip.

Turn power on.

assembly, and let go of wire.

 

 

 

 

WOOD

Press gun trigger until wire

Reinstall contact tip, and nozzle.

Feed wire to check drive roll

comes out of gun.

 

pressure. Tighten knob

 

 

enough to prevent slipping.

 

 

Cut off wire. Close door.

 

 

Ref. ST-801 987 / Ref. ST-801 872 / Ref. 802 399-A / S-0627-A

OM-1318 Page 15

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Contents Processes OM-1318187923FDescription From Miller to You Table of Contents Page Electric Shock can kill Symbol UsageMarks a special safety message Arc Welding HazardsBuildup of GAS can injure or kill ARC Rays can burn eyes and skinWelding can cause fire or explosion Flying Metal can injure eyesPrincipal Safety Standards About Pacemakers EMF InformationLES Fumé ES ET LES GAZ peuvent ê tre dangereux Signification des symbolesConsignes DE Securite Lire Avant Utilisation UN Choc É Lectrique peut tuerDES Particules Volantes peuvent blesser les yeux LE Soudage peut provoquer un incendie ou une explosionLE Bruit peut affecter l’ouïe DES Organes Mobiles peuvent provoquer des blessures Risque D’INCENDIE OULA Chute DE L’APPAREIL peut blesser ’EMPLOI Excessif peutInformation sur les champs é lectromagné tiques Principales normes de sé curitéConsignes relatives aux stimulateurs cardiaques Specifications SpecificationsVolt-Ampere Curves Definition Welding Power Source Duty Cycle And OverheatingWelding Gun Duty Cycle And Overheating OverheatingInstalling Work Clamp InstallationInstalling Welding Gun And Changing Polarity Flow Adjust Installing Gas Supply18 in 457 mm of space for airflow Electrical Service GuideSelecting a Location And Connecting Input Power Do not move or operate unit Where it could tipStandard Wire Spool Standard Wire Reel Installing Wire Spool And Adjusting Hub TensionTools Needed 15/16 Reinstall contact tip, and nozzle Assembly, and let go of wire14 ga 16 ga 18 ga 20 ga 22 ga Weld ParameterControls Wire Speed ControlVoltage Switch OperationShort Circuit Shutdown Maintenance &TROUBLESHOOTINGRoutine Maintenance Drive Motor Fuse F1Turn Off power before replacing contact tip Cleaning Or Repairing Drive AssemblyTurn Off power before cleaning or repairing drive assembly Wire Spool NozzleTo Reassemble Gun Cleaning Or Replacing Gun LinerDisconnect gun from unit Blow out gun casing Tools Needed Remove linerDisconnect gun first Replacing Switch And/Or Head TubeRemove handle locking nut Slide handle Motor continues to run Section Troubleshooting TableSecure power cord plug in receptacle see Section Trouble RemedyOM-1316 Electrical DiagramGun Workpiece Work Clamp Regulator Flowmeter Wire Feeder Power Source Shielding GasMIG Welding Gmaw Guidelines Typical MIG Process ConnectionsBased on 1/8 in material thickness Ipm = inch per minute Typical MIG Process Control SettingsWire Recommendation Wire Speed Select Wire SizeHolding And Positioning Welding Gun ShortNormalLong Conditions That Affect Weld Bead ShapePush PerpendicularDrag Short Normal LongGood Weld Bead Characteristics Poor Weld Bead CharacteristicsGun Movement During Welding Possible Causes Corrective Actions Troubleshooting Excessive SpatterTroubleshooting Porosity Troubleshooting Excessive PenetrationTroubleshooting Incomplete Fusion Troubleshooting Lack Of PenetrationTroubleshooting Burn-Through Troubleshooting Distortion Troubleshooting Waviness Of BeadWeld bead Application Common MIG Shielding GasesFlat & Horizontal1 Fillet OM-1318 Includes Items Parts ListDia Part Description Mkgs Quantity M-10 Gun Figure -2. M-10 Gun Page Your distributor also gives ServiceSupport Miller Electric Mfg. Co Owner’s Record