Hobart Welding Products OM-474 manual Overload Protection, If any fuse or circuit breaker

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7-7. Overload Protection

Y Stop engine.

. If any fuse or circuit breaker

continues to open, contact Fac- tory Authorized Service Agent.

1 Magnetic Shutdown

Switch MS1

2 Fuse F (See Parts List)

Fuse F protects magnetic shutdown switch MS1. If fuse F opens, the en- gine stops.

Check fuse F and replace if open.

3 Fuse Wire (Lead 88)

The fuse wire protects the glow plug circuit from overload. Fuse wire opens if glow plug current exceeds 30 amperes.

If fuse wire opens, contact Factory

Authorized Service Agent.

4 Circuit Breaker CB3 (Optional)

5 Circuit Breaker CB4 (Optional)

CB3 protects the 115 volt ac output and CB4 protects the 24 volt ac out- put to optional Remote 14 receptacle RC3 and terminal strip 3T. If CB3 opens, 115 volt output stops. If CB4 opens, 24 volt output stops.

4	5	Press button to reset breaker.
		Press button to reset breaker.

Tools Needed:

Ref. ST-191 898 / Ref. ST-154 862-A / Ref. ST-154 952-C

OM-474 Page 30

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Contents Description OM-474Processes JulyFrom 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 Électrique peut tuer Signification des symbolesConsignes DE Sécurité Lire Avant Utilisation LES Fumées ET LES GAZ peuvent être dangereuxDES Pièces Chaudes peuvent provoquer des brûlures 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 interférences Principales normes de sécuritéInformation sur les champs électromagnétiques Consignes relatives aux stimulateurs cardiaquesWeld, Power, And Engine Specifications SpecificationsSymbols And Definitions DefinitionsWeight Dimensions, Weights, And Operating AnglesDimensions Fuel Consumption60% Duty Cycle At 350 Amperes AC Auxiliary PowerDuty Cycle And Overheating Minutes Welding5 KVA/KW Single-Phase Auxiliary Power Plant No Weld Load Optional AC Power Plant Curves12.5 KVA/KW Three-Phase Auxiliary Power Plant No Weld Load AC Amperes CV/DC Models with Optional CV-3 Module Volt-Ampere CurvesDC Volts CC/DC Standard 100 Ranges 190-Max 110-270Installing Welding Generator InstallationConnecting The Battery Engine Prestart Checks Installing MufflerTemperatures below 0 F -18C 13 mm Full Diesel Valve Open Do not use gasoline. Gasoline will damage engine100 ft 30 m Or Less Connecting To Weld Output TerminalsSelecting Weld Cable Sizes 10 100% Duty CycleSocket Information Remote 14 Receptacle RC3 Information Optional, See SectionTerminal Strip 3T Connections Optional Stop engineOperating Welding Generator Front Panel Controls See SectionDescription Of Front Panel Controls See Section Ampere Range SwitchDo not switch under load Stop engine and fix trouble if either warning light goes onRemote Control Optional Example Combination remote amperage controlOperating Auxiliary Equipment Volt Duplex And Optional Gfci ReceptaclesVolt Duplex Receptacle Optional Open ContactSet Engine Control switch to Run when using auxiliary power Connecting Optional Auxiliary Power PlantFront Maintenance and Troubleshooting Maintenance Label To Clean air filter Servicing Air CleanerDo not clean housing with air hose To drain water from fuel system Servicing Fuel SystemStop engine and let cool To replace fuel filterIdle Speed Adjustment Adjusting Engine SpeedEngine Speed No Load Changing Engine Oil And Filter Overload Protection If any fuse or circuit breakerWelding Inspecting And Cleaning Optional Spark Arrestor MufflerTroubleshooting Trouble RemedyAuxiliary Power Engine Coolant temperature gets too high see SectionCheck engine control switch, and replace if necessary See engine manualOM-474 Electrical Diagrams Circuit Diagram For Welding Generator For Standard ModelsOM-474 193 989-B RUN-IN Procedure WetstackingRun-In Procedure Using Load Bank Load BankBank/grid Run-In Procedure Using Resistance GridDo not touch hot exhaust From flammablesSelecting Equipment Auxiliary Power GuidelinesGrounding Generator To Truck Or Trailer Frame Earth ground if supplying Grounding When Supplying Building SystemsHow Much Power Does Equipment Require? Use ground device as stated in electrical codesIndustrial 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 xItem 4 is not necessary if circuit Typical Connections To Supply Standby PowerWelding Generator Auxiliary Power output circuit Protection is already presentSelecting Extension Cord Use Shortest Cord Possible Current Load Watts AmperesParts List 101 102 105 104 10365 66 Includes Items Dia Part Description Mkgs Quantity PLG9,RC9 PC4 Control Box w/Components -4 Item Control Box w/ComponentsGenerator Generator -1 Item Panel, Front w/Components Panel, Front w/Components -1 Item Page Service SupportHobart Welding Products Contact your Distributor forCall