Hobart Welding Products 3025 manual Auxiliary Power, Necessary parts

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Trouble

Remedy

 

 

Remote contactor control does not

Check and tighten connections to Remote 14 receptacle RC5 (see Section 4-8).

activate contactor.

 

 

 

Lack of high frequency; difficulty in

Use proper size tungsten for welding amperage.

establishing Gas Tungsten Arc Weld-

 

ing arc.

 

 

 

 

Reduce leakage of high frequency from torch or work cable (check grounding, remove excessive

 

coils from weld cables, use shorter weld cables, etc.).

 

 

 

Check cables and torch for cracked or deteriorated insulation or bad connections. Repair or replace

 

necessary parts.

 

 

Wandering arc – poor control of arc

Reduce gas flow rate.

direction.

 

 

 

 

Select proper size tungsten. Properly prepare tungsten.

 

 

Tungsten electrode oxidizing and not

Shield weld zone from drafts.

remaining bright after conclusion of

 

weld.

 

 

 

 

Increase postflow time.

 

 

 

Check and tighten all gas fittings.

 

 

 

Properly prepare tungsten.

 

 

No 115 volts ac output at Remote 14

Reset circuit breaker CB12 (see Section 7-8).

receptacle RC5.

 

 

 

No 24 volts ac output at Remote 14 re-

Reset circuit breaker CB11 (see Section 7-8).

ceptacle RC5.

 

 

 

B. Auxiliary Power

Trouble

Remedy

 

 

No power output.

Reset circuit breakers (see Section 6-1).

 

 

 

Have Factory Authorized Service Agent check brushes, slip rings, voltage regulator board PC8, intercon-

 

necting board PC2, and control board PC1.

 

 

Low power output.

Check air cleaner, and clean or replace element if necessary.

 

 

 

Check engine speed, and adjust if necessary (see Section 7-7).

 

 

 

See engine manual.

 

 

High power output.

Check engine speed, and adjust if necessary (see Section 7-7).

 

 

Erratic power output.

Check receptacle wiring and connections.

 

 

 

Check governor according to engine manual.

 

 

 

Have Factory Authorized Service Agent check brushes, slip rings, voltage regulator board PC8, intercon-

 

necting board PC2, and control board PC1.

 

 

OM-492 Page 34

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Contents Description OM-492Processes From Hobart to You Table of Contents Page Electric Shock can kill Symbol UsageArc Welding Hazards ARC Rays can burn eyes and skinEngine Hazards Engine Exhaust Gases can kill Battery Explosion can BlindMoving Parts can cause injury Engine Heat can cause fireRadiation can cause interference Principal Safety StandardsEMF Information ARC Welding can cause interferenceUN Choc É Lectrique peut tuer Signification des symbolesConsignes DE SÉ Curité Lire Avant Utilisation LES Fumé ES ET LES GAZ peuvent ê tre dangereuxDES PIÈ CES Chaudes peuvent provoquer des brû lures graves LE Soudage peut provoquer un in- cendie ou une explosionDES Particules Volantes peuvent blesser les yeux LE Bruit peut affecter l’ouïeLA Chaleur DU Moteur peut pro- voquer un incendie DES Organes Mobiles peuvent provoquer des blessures’EXPLOSION DE LA Batterie peut LA Chute DE L’APPAREIL peut blesserLE Soudage À L’ARC risque de provoquer des interfé rences Principales normes de sé curitéInformation sur les champs é lectromagné tiques Consignes relatives aux stimulateurs cardiaquesWeld, Power, And Engine Specifications SpecificationsSymbol Definitions DefinitionsDuty Cycle And Overheating Dimensions, Weights, and Operating AnglesDimensions OverheatingVolt-Ampere Curves CC ModeCV Mode Fuel Consumption InstallationInstalling Welding Generator Movement Airflow Clearance Do not lift unit from endFull 13 mm Diesel Keep radiator and air intake clean and free of dirtEngine Prestart Checks Fuel Do not use gasoline. Gasoline will damage engineConnecting The Battery Adding Coolant To RadiatorInstalling Exhaust Pipe Connecting To Weld Output Terminals100 ft 30 m Or Less Selecting Weld Cable SizesRemote 14 Receptacle RC5 Information 10 100% Duty CycleOM-492 Operating Welding Generator Controls See SectionDescription Of Controls See Section Mode Switch Setting Process Output On/Off Control Mode Switch SettingsMode Meter Reading At Idle Meter Reading While Welding Meter FunctionsLift-Arc TIG Procedure Touch Seconds Do not Strike Like a MatchOperating Auxiliary Equipment Auxiliary Power Receptacles And Circuit BreakersThree-Phase 240 Weld Total 120Wire Load Load. See circuit diagramPlug Wired for 120/240 120V Plug Wired for 240 V, 2-Wire LoadMaintenance and Troubleshooting 1000 h 500 h800 h 2000 hMaintenance Label Do not clean housing with air hose Servicing Air CleanerTo Clean air filter Servicing Optional Spark ArrestorServicing Engine Lubrication And Fuel Systems Servicing Engine Cooling System Adjusting Weld/Power Speed Adjusting Engine SpeedAdjusting Idle Speed Weld Speed Jam Nut Adjustment ScrewOverload Protection Voltmeter/Ammeter Help Displays Trouble Remedy TroubleshootingWelding Necessary parts Auxiliary PowerNo power output Reset circuit breakers see Section Engine Reset circuit breaker CB9 see Section CT1OM-492 Electrical Diagrams Circuit Diagram For Welding Generator200 RUN-IN Procedure WetstackingWelding Generator Weld Cables Run-In Procedure Using Load BankLoad Bank Bank/grid Run-In Procedure Using Resistance GridDo not touch hot exhaust From flammablesGrounding Generator To Truck Or Trailer Frame Auxiliary Power GuidelinesSelecting Equipment Earth ground if supplying Grounding When Supplying Building SystemsHow Much Power Does Equipment Require? Amperes x Volts = WattsIndustrial Motors Rating Starting Watts Running Watts Approximate Power Requirements For Industrial MotorsApproximate Power Requirements For Farm/Home Equipment Farm/Home Equipment Rating Starting Watts Running WattsApproximate Power Requirements For Contractor Equipment Contractor Rating Starting Watts Running WattsSingle-Phase Induction Motor Starting Requirements Power Required To Start MotorHow Much Power Can Generator Supply? KVA/HP x HP xTypical Connections To Supply Standby Power Selecting Extension Cord Use Shortest Cord Possible Current Load Watts Amperes104 103 102 101 100 105 Parts List112 109 108 107 1064746 8988 Item Dia Part Mkgs Description Quantity PLG11 Front Panel Front Panel -5, Item Inverter Assembly Inverter Assembly -5, Item Generator Service SupportCall Contact your Distributor forHobart Welding Products