Hobart 652 manual Operation, Controls Non CE Models

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SECTION 4 – OPERATION

4-1. Controls (Non CE Models)

12

34

87

65

Ref. ST-184 939

1 Arc Force (Dig) Control

Control increases SMAW short-circuit amperage which allows the operator to use a very short arc length without sticking the electrode.

Set control at 0 for normal welding amper- age. Turn clockwise to increase short-circuit amperage.

2Process Selector Switch

3Amperage/Voltage Adjustment Control

When Process Selector switch is in the SMAW/GTAW position, turn control clock- wise to increase amperage. Read amperage from outer scale of control. When Process Selector switch is in the GMAW position, turn control clockwise to increase voltage. Volt-

meter value changes as control knob is turned. Control can be adjusted while welding.

4 Digital Meters

With Process Selector switch in the SMAW/ GTAW position, digital meters will read 0 (zero) with contactor off. Digital meters will display actual output voltage and amperage with contactor on.

With Process Selector switch in the GMAW position, voltmeter displays preset voltage with contactor off. Voltmeter and ammeter display actual output voltage and amperage with contactor on.

5Power Switch With Indicator Light

6High Temperature Shutdown Light

7Remote Amperage/Voltage Control Switch

For front panel control, place switch in Panel position. For remote control, place switch in Remote position, and connect remote de- vice (see Section 3-10).

8 Output Switch (Contactor)

For front panel control of output, place switch in Panel position. For remote control of out- put, place switch in Remote position, and connect remote device (see

Section 3-10).

YWeld output studs are energized only when Output switch is in On position, or while welding.

YTurn Off power before connecting re- mote device.

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Contents OM-278 ProcessesDescription From Hobart to You Table of Contents Page Symbol Usage Marks a special safety messageArc Welding Hazards Electric Shock can killARC Rays can burn eyes and skin Welding can cause fire or explosionFlying Metal can injure eyes Buildup of GAS can injure or killPrincipal Safety Standards EMF Information About PacemakersSignification des symboles UN Choc Électrique peut tuerLES Fumées ET LES GAZ peuvent être dangereux Identifie un message de sécurité particulierLE Soudage peut provoquer un incendie ou une explosion DES Particules Volantes peuvent blesser les yeuxDES Pièces Chaudes peuvent pro- voquer des brûlures graves LE Bruit peut affecter l’ouïeRisque D’INCENDIE OU LA Chute DE L’APPAREIL peut blesser’EMPLOI Excessif peut DES Organes Mobiles peuvent provoquer des blessuresPrincipales normes de sécurité Information sur les champs électromagnétiquesConsignes relatives aux stimulateurs cardiaques General Precautionary Label DefinitionsNameplate Safety Symbols Input Connection LabelElectric Shock And Airflow Label ? aManufacturer’s Rating Label For CE Products Installation Symbols And DefinitionsSpecifications RatingCC Mode CV Mode Duty Cycle And OverheatingVolt-Ampere Curves OverheatingDimensions And Weights Selecting a LocationMovement Location And Airflow Be careful when placing or moving unit over uneven surfaces Turn Off power before connecting to receptacleTipping VAC Receptacle And Circuit BreakersWeld Output Terminals And Selecting Cable Sizes Remote 14 Receptacle And Terminal Strip 1T InformationConnecting Remote Control OrorElectrical Service Guide Placing Jumper Links And Connecting Input Power Do not overtighten jumper link nutsOperation Controls Non CE ModelsControls CE Models Maintenance & Troubleshooting Routine MaintenanceFuse F1 MonthsTroubleshooting Trouble RemedyOM-278 Electrical Diagram Circuit DiagramParts List Main Assembly 652 Model IllustratedPLG13 Panel, Front w/Components -1 Item PC2 Rectifier, Si Diode -1 Item Panel, Rear w/Components -1 Item Page Page Page Service SupportContact your Distributor for Hobart Welding Products

652 specifications

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