Hobart Welding Products 300 AC, 300 DC Maintenance & Troubleshooting, Routine Maintenance, Months

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SECTION 4 – MAINTENANCE & TROUBLESHOOTING

4-1.

Routine Maintenance

 

 

 

 

Y Disconnect power before maintaining.

 

 

 

 

3 Months

 

 

 

Replace

 

 

Repair Or

 

Unreadable

 

 

Replace

 

Labels

 

 

Cracked

 

 

 

 

Weld

 

 

 

 

Cables

 

Clean And

 

 

Replace

 

Tighten

 

 

 

 

 

Cracked

 

Weld

 

 

 

 

 

Parts

 

Terminals

14-Pin Cord

Torch, Electrode Holder,

 

 

 

 

Or Gun Cable

 

 

 

 

 

 

 

6 Months

 

 

 

 

Blow Out Or Vacuum

 

 

 

OR

Inside,

 

 

 

During Heavy Service,

 

 

 

 

Clean Monthly

 

 

4-2.

Circuit Breakers CB1 And CB2

 

 

 

1 Circuit Breaker CB1

If CB1 opens, 115 volts ac output to the 115 volts ac duplex receptacle and Remote 14 receptacle stops. Press button to reset breaker.

2 Circuit Breaker CB2

If CB2 opens, 24 volts ac output to the Remote 14 receptacle stops. Press button to reset breaker.

21

CB2

CB1

10A

15A

Ref. ST-152 973-A / Ref. S-143 930-A

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Contents Description OM-318Processes 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 Consignes DE Securite Lire Avant UtilisationUN Choc É Lectrique peut tuer LES Fumé ES ET LES GAZ peuvent ê tre dangereuxLE Bruit peut affecter l’ouïe LE Soudage peut provoquer un incendie ou une explosionDES Particules Volantes peuvent blesser les yeux Risque D’INCENDIE OU LA Chute DE L’APPAREIL peut blesser’EMPLOI Excessif peut DES Organes Mobiles peuvent provoquer des blessuresConsignes relatives aux stimulateurs cardiaques Principales normes de sé curitéInformation sur les champs é lectromagné tiques Installation SpecificationsAC Mode CC Mode DC CV Mode DCDC Mode CV or CC Duty Cycle And OverheatingDimensions And Weights DimensionsWeight Selecting a LocationWeld Output Terminals And Selecting Cable Sizes Remote 14 ReceptacleWeld Output Welding 10 60% 60 100% 10 100% Duty Cycle Cycle60 Hz 50 Hz Electrical Service GuideVolts AC Duplex Receptacle Section Placing Jumper Links And Connecting Input PowerSpecial installation may be Operation ControlsMaintenance & Troubleshooting Routine MaintenanceDisconnect power before maintaining MonthsTroubleshooting Trouble RemedyOM-318 Electrical Diagram Circuit DiagramParts List Main AssemblyPLG51 Panel, Front w/Components Panel, Front w/Components -1 Item 126 Rectifier, Si Diode -1 ItemPage Page Service SupportContact your Distributor for Hobart Welding Products
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