Miller Electric DVI-2 R manual Wire Drive/Gun Trouble Remedy

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.A complete Parts List is available at www.MillerWelds.com

	Wire Drive/Gun Trouble	Remedy


	Electrode wire feeding stops during	Straighten gun cable and/or replace damaged parts (see welding gun Owner’s Manual).
	welding.
	welding.	Adjust drive roll pressure (see Section 4-13).
		Adjust drive roll pressure (see Section 4-13).

		Readjust hub tension (see Section 4-8).

		Replace contact tip if blocked (see welding gun Owner’s Manual).

		Clean or replace wire inlet guide or liner if dirty or plugged (see welding gun Owner’s Manual).

		Replace drive roll if worn or slipping (see Section 6-3).

		Check and clear any restrictions at drive assembly (see Section 6-3).

		Have nearest Factory Authorized Service Agent check drive motor.

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Contents OM-232 386B ProcessesDescription File MIG GmawFrom Miller to You Table of Contents Typical MIG Process Connections − Parts List− MIG Welding Gmaw Guidelines Symbol Usage Arc Welding HazardsElectric Shock can kill HOT Parts can cause severe burnsFumes and Gases can be hazardous ARC Rays can burn eyes and skinWelding can cause fire or explosion Flying Metal or Dirt can injure eyesWelding Wire can cause injury Fire or Explosion hazardFalling Unit can cause injury Moving Parts can cause injuryPrincipal Safety Standards California Proposition 65 WarningsEMF Information About Implanted Medical DevicesSymboles utilisés UNE Décharge Électrique peut entraîner la mortLE Soudage peut provoquer un in cendie ou une explosion DES Pièces Chaudes peuvent provoquer des brûlures gravesLES Fumées ET LES GAZ peuvent être dangereux LE Bruit peut endommager l’ouïe LES Bouteilles peuvent exploser si elles sont endommagéesRisque D’INCENDIE OU D’EXPLO LA Chute DE L’APPAREIL peut blesserLE Soudage À L’ARC risque de provoquer des interférences Proposition californienne 65 AvertissementsLES Fils DE Soudage peuvent provoquer des blessures En ce qui concerne les implants médicaux Principales normes de sécuritéInformation EMF OM-232 386 − Installation Symbols And DefinitionsSpecifications − DefinitionsDuty Cycle And Overheating 40% duty cycle at 150 amps Minutes Welding Minutes RestingOverheating MinutesConnecting To Weld Output Terminals Correct InstallationVolt-Ampere Curves Range Range 4 RangeInstalling Work Cable And Clamp Setting Gun Polarity For Wire TypePolarity Changeover Label Information 11/16Tools Needed 8, 5/8 Installing Gas SupplyRear Panel Installing MIG Wire Spool and Adjusting Hub Tension Installing 1 Or 2 lb Wire SpoolUse compression spring With 8 in 200 mm spools To turn spool, tension is setConnecting 1-Phase Input Power For 230 VAC 230 VAC =GND/PE Earth GroundExtension Cord Data Electrical Service Guide For 230 VACHz Single Phase 18 in 457 mm of space for airflow Selecting a Location And Connecting Input PowerDo not move or operate unit where it could tip Threading Welding Wire PressureScale Remove gun nozzle and contact tipTurn Off unit, and disconnect input power Connecting An Optional Spool Gun Voltage Control − OperationControls Weld Parameter Chart Voltage Chart SettingsInput Line Parameter226 652-A − Maintenance &TROUBLESHOOTING Routine MaintenanceChanging Drive Roll and Wire Inlet Guide Unit OverloadAligning Drive Rolls and Wire Guide TroubleshootingTurn Off power Welding Trouble RemedyWire Drive/Gun Trouble Remedy OM-232 386 − Electrical Diagram Welding Power Source Circuit Diagram229 598-B − MIG Welding Gmaw Guidelines Typical MIG Process ConnectionsTypical MIG Process Control Settings Wire Size Amperage RangeAmperage Select VoltageHolding And Positioning Welding Gun Groove WeldsConditions That Affect Weld Bead Shape PushPerpendicular Drag Short Normal LongGun Movement During Welding Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Troubleshooting − Excessive Spatter Troubleshooting − PorosityTroubleshooting − Excessive Penetration Possible Causes Corrective ActionsTroubleshooting − Burn-Through Troubleshooting − Lack Of PenetrationTroubleshooting − Incomplete Fusion Weld bead Troubleshooting − Waviness Of BeadTroubleshooting − Distortion Troubleshooting Guide For Semiautomatic Welding Equipment Problem Probable Cause RemedyCommon MIG Shielding Gases ApplicationWelding arc not stable Wire slipping in drive rolls Readjust welding parametersWelding power source Drive rolls if necessary− Parts List Drive Roll And Wire Guide KitsSupport ServiceYour distributor also gives To locate a Distributor or Service Agency visit Miller Electric Mfg. CoFor assistance in filing or settling claims, contact Your distributor and/or equipment manufacturer’s