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

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

Contents

OM-232 386B ProcessesDescription File MIG Gmaw From 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 burns Fumes and Gases can be hazardous ARC Rays can burn eyes and skinWelding can cause fire or explosion Flying Metal or Dirt can injure eyes Welding Wire can cause injury Fire or Explosion hazardFalling Unit can cause injury Moving Parts can cause injury Principal Safety Standards California Proposition 65 WarningsEMF Information About Implanted Medical Devices Symboles utilisés UNE Décharge Électrique peut entraîner la mort LE 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 blesser LE 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 − Definitions Duty Cycle And Overheating 40% duty cycle at 150 amps Minutes Welding Minutes RestingOverheating Minutes Connecting To Weld Output Terminals Correct InstallationVolt-Ampere Curves Range Range 4 Range Installing Work Cable And Clamp Setting Gun Polarity For Wire TypePolarity Changeover Label Information 11/16 Tools 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 set Connecting 1-Phase Input Power For 230 VAC 230 VAC =GND/PE Earth Ground Extension 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 tip Turn Off unit, and disconnect input power Connecting An Optional Spool Gun Voltage Control − OperationControls Weld Parameter Chart Voltage Chart SettingsInput Line Parameter 226 652-A − Maintenance &TROUBLESHOOTING Routine MaintenanceChanging Drive Roll and Wire Inlet Guide Unit Overload Aligning Drive Rolls and Wire Guide TroubleshootingTurn Off power Welding Trouble Remedy Wire Drive/Gun Trouble Remedy OM-232 386 − Electrical Diagram Welding Power Source Circuit Diagram 229 598-B − MIG Welding Gmaw Guidelines Typical MIG Process Connections Typical MIG Process Control Settings Wire Size Amperage RangeAmperage Select Voltage Holding And Positioning Welding Gun Groove Welds Conditions That Affect Weld Bead Shape PushPerpendicular Drag Short Normal Long Gun Movement During Welding Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Troubleshooting − Excessive Spatter Troubleshooting − PorosityTroubleshooting − Excessive Penetration Possible Causes Corrective Actions Troubleshooting − 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 Application Welding arc not stable Wire slipping in drive rolls Readjust welding parametersWelding power source Drive rolls if necessary − Parts List Drive Roll And Wire Guide Kits Support 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