Hobart Welding Products 230 manual Controls, 3070 2080 1090, Wire Speed Control

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SECTION 4 − OPERATION

4-1. Controls

40 60

3070

2080

1090

0 100

WIRE FEED

5 7

210

1 12

DO NOT SWITCH

WHILE WELDING

VOLTAGE

POWER

OFF

POWER

TRIGGER

1 Wire Speed Control

Control varies the rate of wire being fed through the welding gun.

2 Voltage Control

Control varies the voltage level of the welding arc. The voltage range is 1 (minimum) to 12 (maximum).

3 Power Switch

The fan is thermostatically controlled and only runs when cooling is needed.

4Power Light

5Gun Trigger Receptacle

Ref. 242 155-A

OM-235 281 Page 23

Image 27

Contents File MIG Gmaw OM-235 281AProcesses DescriptionProtect Your Investment From Hobart to YouTable of Contents Warranty HOT Parts can burn Symbol UsageArc Welding Hazards Electric Shock can killFlying Metal or Dirt can injure eyes Fumes and Gases can be hazardousARC Rays can burn eyes and skin Welding can cause fire or explosionMoving Parts can injure Welding Wire can injureFire or Explosion hazard Falling Equipment can injureAbout Implanted Medical Devices Principal Safety StandardsCalifornia Proposition 65 Warnings EMF InformationUNE Décharge Électrique peut entraîner la mort Symboles utilisésDES Pièces Chaudes peuvent provoquer des brûlures graves LES Fumées ET LES GAZ peuvent être dangereuxLE Soudage peut provoquer un in cendie ou une explosion LA Chute DE L’APPAREIL peut blesser LE Bruit peut endommager l’ouïeLES Bouteilles peuvent exploser si elles sont endommagées Risque D’INCENDIE OU D’EXPLO- SionProposition californienne 65 Avertissements LES Fils DE Soudage peuvent provoquer des blessuresLE Soudage À L’ARC risque de provoquer des interférences Principales normes de sécurité Information EMFEn ce qui concerne les implants médicaux OM-235 281 Specifications Welding Power Source Duty Cycle And OverheatingOverheating 40.0 35.0 30.0 25.0 20.0 15.0 10.0 100 150 200 250 300 Volt-Ampere CurvesVoltage AmperageMIG GUN Installing Welding GunInstalling Work Clamp Connecting To Weld Output TerminalsElectrode Negative Dcen Setting Gun Polarity For Wire TypeInstalling 2 lb Wire Spool And Adjusting Hub Tension Changing PolarityInstalling 33 lb Wire Spool And Adjusting Hub Tension Installing 10 lb Wire Spool And Adjusting Hub TensionInstalling Gas Supply Rear PanelTools Needed 1-1/8, 5/8 Positioning Jumper Links Turn off and disconnect input powerInput Amperes At Rated Output Electrical Service GuideHz Single Input VoltageConductors from unit Selecting a Location And Connecting Input PowerDo not move or operate unit where it could tip Special installation may beThreading Welding Wire Turn Off unit, and disconnect input power Wire Speed Control Controls3070 2080 1090 Weld Parameters Selecting Wire, Gas and Control SettingsBefore maintaining Routine MaintenanceDisconnect power Supplementary ProtectorsReplacing Drive Roll And Wire Inlet Guide Turn Off powerRemoving Knob From Front Panel Aligning Drive Rolls and Wire Guide Turn Off power before replacing contact tipReplacing Gun Contact Tip Installing Cable Hangers Turn Off power before Installing cable hangersCable Hanger Screws Tools Needed Turn off welding power source/wire feeder Welding Trouble Remedy Welding Troubleshooting TableWire Drive/Gun Troubleshooting Table Wire Drive/Gun Trouble RemedyTypical MIG Process Connections − MIG Welding Gmaw GuidelinesSelect Voltage Typical MIG Process Control SettingsWire Size Amperage Range AmperageGroove Welds Holding And Positioning Welding GunShort Normal Long Conditions That Affect Weld Bead ShapePush Perpendicular DragPoor Weld Bead Characteristics Good Weld Bead CharacteristicsGun Movement During Welding Possible Causes Corrective Actions Troubleshooting − Excessive SpatterTroubleshooting − Porosity Troubleshooting − Excessive PenetrationTroubleshooting − Lack Of Penetration Troubleshooting − Incomplete FusionTroubleshooting − Burn-Through Direction Troubleshooting − Waviness Of BeadTroubleshooting − Distortion Base metal to moveTroubleshooting Guide For Semiautomatic Welding Equipment Common MIG Shielding GasesApplication Drive rolls if necessary Welding arc not stable Wire slipping in drive rollsReadjust welding parameters Welding power source− Electrical Diagram 10 − Fig 17 − Fig Main AssemblyItem Dia Part Description Quantity Mkgs Center Baffle w/Components Center Baffle w/Components -1Item Rear Panel w/Components Front Panel w/Components 234 Wire Drive Assembly Wire Drive Assembly237 H200L4−15 GunKnurl Drive Roll For Hard Shell Cored Wires AccessoriesService SupportAssistance Hobart Welding Products Contact your Distributor for