Miller Electric DVI-2 R manual Turn Off unit, and disconnect input power

Page 25

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

4-14. Installing Optional Gas Valve, Receptacle, And Barbed Fitting For Optional Spool Gun

804 990-A

Tools Needed:

1/4 in

9/16 in

! Turn Off unit, and disconnect input power.

Remove wrapper.

1Rear Panel

2Snap-in Blank Location

3Center Baffle Barbed Fitting Hole Location

4Front Panel

5Center Baffle Ground Clip

6Circuit Board PC1

7Receptacle RC1

8Receptacle RC2

Remove snap-in blank from rear panel, and install supplied gas valve.

Connect plug from gas valve wiring harness into receptacle RC1.

Install supplied barbed fitting into center baffle hole. Connect gas hose between gas

valve and barbed fitting. Secure with hose clamps.

Remove snap-in blank from front panel, and Install supplied 4-position receptacle.

Connect plug from 4-position receptacle wiring harness into receptacle RC2.

Connect capacitors to center baffle ground clip.

Reinstall wrapper.

OM-232 386 Page 21

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Contents Processes OM-232 386BDescription File MIG GmawFrom Miller to You Table of Contents − MIG Welding Gmaw Guidelines − Parts ListTypical MIG Process Connections Arc Welding Hazards Symbol UsageElectric Shock can kill HOT Parts can cause severe burnsARC Rays can burn eyes and skin Fumes and Gases can be hazardousWelding can cause fire or explosion Flying Metal or Dirt can injure eyesFire or Explosion hazard Welding Wire can cause injuryFalling Unit can cause injury Moving Parts can cause injuryCalifornia Proposition 65 Warnings Principal Safety StandardsEMF Information About Implanted Medical DevicesUNE Décharge Électrique peut entraîner la mort Symboles utilisésLES Fumées ET LES GAZ peuvent être dangereux DES Pièces Chaudes peuvent provoquer des brûlures gravesLE Soudage peut provoquer un in cendie ou une explosion LES Bouteilles peuvent exploser si elles sont endommagées LE Bruit peut endommager l’ouïeRisque D’INCENDIE OU D’EXPLO LA Chute DE L’APPAREIL peut blesserLES Fils DE Soudage peuvent provoquer des blessures Proposition californienne 65 AvertissementsLE Soudage À L’ARC risque de provoquer des interférences Information EMF Principales normes de sécuritéEn ce qui concerne les implants médicaux OM-232 386 Symbols And Definitions − InstallationSpecifications − Definitions40% duty cycle at 150 amps Minutes Welding Minutes Resting Duty Cycle And OverheatingOverheating MinutesCorrect Installation Connecting To Weld Output TerminalsVolt-Ampere Curves Range Range 4 RangeSetting Gun Polarity For Wire Type Installing Work Cable And ClampPolarity Changeover Label Information 11/16Rear Panel Installing Gas SupplyTools Needed 8, 5/8 Installing 1 Or 2 lb Wire Spool Installing MIG Wire Spool and Adjusting Hub TensionUse compression spring With 8 in 200 mm spools To turn spool, tension is set230 VAC =GND/PE Earth Ground Connecting 1-Phase Input Power For 230 VACHz Single Phase Electrical Service Guide For 230 VACExtension Cord Data Do not move or operate unit where it could tip Selecting a Location And Connecting Input Power18 in 457 mm of space for airflow Pressure Threading Welding WireScale Remove gun nozzle and contact tipTurn Off unit, and disconnect input power Connecting An Optional Spool Gun Controls − OperationVoltage Control Voltage Chart Settings Weld Parameter ChartInput Line Parameter226 652-A Routine Maintenance − Maintenance &TROUBLESHOOTINGChanging Drive Roll and Wire Inlet Guide Unit OverloadTroubleshooting Aligning Drive Rolls and Wire GuideTurn Off power Welding Trouble RemedyWire Drive/Gun Trouble Remedy OM-232 386 Welding Power Source Circuit Diagram − Electrical Diagram229 598-B Typical MIG Process Connections − MIG Welding Gmaw GuidelinesWire Size Amperage Range Typical MIG Process Control SettingsAmperage Select VoltageGroove Welds Holding And Positioning Welding GunPush Conditions That Affect Weld Bead ShapePerpendicular Drag Short Normal LongGood Weld Bead Characteristics Poor Weld Bead CharacteristicsGun Movement During Welding Troubleshooting − Porosity Troubleshooting − Excessive SpatterTroubleshooting − Excessive Penetration Possible Causes Corrective ActionsTroubleshooting − Incomplete Fusion Troubleshooting − Lack Of PenetrationTroubleshooting − Burn-Through Troubleshooting − Distortion Troubleshooting − Waviness Of BeadWeld bead Problem Probable Cause Remedy Troubleshooting Guide For Semiautomatic Welding EquipmentCommon MIG Shielding Gases ApplicationReadjust welding parameters Welding arc not stable Wire slipping in drive rollsWelding power source Drive rolls if necessaryDrive Roll And Wire Guide Kits − Parts ListYour distributor also gives ServiceSupport Miller Electric Mfg. Co To locate a Distributor or Service Agency visitFor assistance in filing or settling claims, contact Your distributor and/or equipment manufacturer’s