Hobart 652 manual Controls CE Models

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4-2. Controls (CE Models)

12

34

87

65

Ref. ST-184 936

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.

OM-278 Page 21

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Contents Processes OM-278Description From Hobart to You Table of Contents Page Marks a special safety message Symbol UsageArc Welding Hazards Electric Shock can killWelding can cause fire or explosion ARC Rays can burn eyes and skinFlying Metal can injure eyes Buildup of GAS can injure or killPrincipal Safety Standards About Pacemakers EMF InformationUN Choc Électrique peut tuer Signification des symbolesLES Fumées ET LES GAZ peuvent être dangereux Identifie un message de sécurité particulierDES Particules Volantes peuvent blesser les yeux LE Soudage peut provoquer un incendie ou une explosionDES Pièces Chaudes peuvent pro- voquer des brûlures graves LE Bruit peut affecter l’ouïeLA Chute DE L’APPAREIL peut blesser Risque D’INCENDIE OU’EMPLOI Excessif peut DES Organes Mobiles peuvent provoquer des blessuresInformation sur les champs électromagnétiques Principales normes de sécuritéConsignes relatives aux stimulateurs cardiaques Definitions General Precautionary LabelInput Connection Label Nameplate Safety SymbolsElectric Shock And Airflow Label ? aManufacturer’s Rating Label For CE Products Symbols And Definitions InstallationSpecifications RatingDuty Cycle And Overheating CC Mode CV ModeVolt-Ampere Curves OverheatingSelecting a Location Dimensions And WeightsMovement Location And Airflow Turn Off power before connecting to receptacle Be careful when placing or moving unit over uneven surfacesTipping VAC Receptacle And Circuit BreakersRemote 14 Receptacle And Terminal Strip 1T Information Weld Output Terminals And Selecting Cable SizesOror Connecting Remote ControlElectrical Service Guide Do not overtighten jumper link nuts Placing Jumper Links And Connecting Input PowerControls Non CE Models OperationControls CE Models Routine Maintenance Maintenance & TroubleshootingFuse F1 MonthsTrouble Remedy TroubleshootingOM-278 Circuit Diagram Electrical DiagramMain Assembly 652 Model Illustrated Parts ListPLG13 Panel, Front w/Components -1 Item PC2 Rectifier, Si Diode -1 Item Panel, Rear w/Components -1 Item Page Page Page Support ServiceHobart Welding Products Contact your Distributor for

652 specifications

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