Hobart Welding Products 3025 manual CT1, Reset circuit breaker CB9 see Section

Page 40

Trouble	Remedy

Engine does not go to low (idle) speed	Be sure Engine Control switch S1 is in Run/Idle position.
with Engine Control switch in Run/Idle
position.

	Remove all weld and auxiliary power loads.

	Turn off remote device connected to Remote 14 receptacle RC5 (see Section 4-8).

	Check for obstructed movement of throttle solenoid linkage.

	Have Factory Authorized Service Agent check voltage regulator board PC8 and current transformer
	CT1.

	Reset circuit breaker CB9 (see Section 7-8).

Engine does not go to high (run) speed	Place Engine Control switch in the Run position. Have Factory Authorized Service Agent check unit.
when auxiliary power or large weld
load is applied with Engine Control
switch in Run/Idle position.

Engine uses oil during run-in period;	Dry engine (see Section 9 and engine manual).
wetstacking occurs.

Coolant recovery tank continuously	Bleed air from radiator, and replace lost coolant (see Section 4-3).
overflows.

Notes

OM-492 Page 36

Image 40

Contents Processes OM-492Description From Hobart to You Table of Contents Page Symbol Usage Arc Welding HazardsElectric Shock can kill ARC Rays can burn eyes and skinEngine Hazards Battery Explosion can Blind Moving Parts can cause injuryEngine Exhaust Gases can kill Engine Heat can cause firePrincipal Safety Standards EMF InformationRadiation can cause interference ARC Welding can cause interferenceSignification des symboles Consignes DE SÉ Curité Lire Avant UtilisationUN Choc É Lectrique peut tuer LES Fumé ES ET LES GAZ peuvent ê tre dangereuxLE Soudage peut provoquer un in- cendie ou une explosion DES Particules Volantes peuvent blesser les yeuxDES PIÈ CES Chaudes peuvent provoquer des brû lures graves LE Bruit peut affecter l’ouïeDES Organes Mobiles peuvent provoquer des blessures ’EXPLOSION DE LA Batterie peutLA Chaleur DU Moteur peut pro- voquer un incendie LA Chute DE L’APPAREIL peut blesserPrincipales normes de sé curité Information sur les champs é lectromagné tiquesLE Soudage À L’ARC risque de provoquer des interfé rences Consignes relatives aux stimulateurs cardiaquesSpecifications Symbol DefinitionsWeld, Power, And Engine Specifications DefinitionsDimensions, Weights, and Operating Angles DimensionsDuty Cycle And Overheating OverheatingCV Mode CC ModeVolt-Ampere Curves Installation Installing Welding GeneratorFuel Consumption Movement Airflow Clearance Do not lift unit from endKeep radiator and air intake clean and free of dirt Engine Prestart ChecksFull 13 mm Diesel Fuel Do not use gasoline. Gasoline will damage engineConnecting The Battery Adding Coolant To RadiatorInstalling Exhaust Pipe Connecting To Weld Output TerminalsSelecting Weld Cable Sizes Remote 14 Receptacle RC5 Information100 ft 30 m Or Less 10 100% Duty CycleOM-492 Operating Welding Generator Controls See SectionDescription Of Controls See Section Mode Switch Settings Mode Meter Reading At Idle Meter Reading While WeldingMode Switch Setting Process Output On/Off Control Meter FunctionsLift-Arc TIG Procedure Touch Seconds Do not Strike Like a MatchAuxiliary Power Receptacles And Circuit Breakers Three-Phase 240Operating Auxiliary Equipment Weld Total 120Load. See circuit diagram Plug Wired for 120/240Wire Load 120V Plug Wired for 240 V, 2-Wire LoadMaintenance and Troubleshooting 500 h 800 h1000 h 2000 hMaintenance Label Servicing Air Cleaner To Clean air filterDo not clean housing with air hose Servicing Optional Spark ArrestorServicing Engine Lubrication And Fuel Systems Servicing Engine Cooling System Adjusting Engine Speed Adjusting Idle SpeedAdjusting Weld/Power Speed Weld Speed Jam Nut Adjustment ScrewOverload Protection Voltmeter/Ammeter Help Displays Welding TroubleshootingTrouble Remedy No power output Reset circuit breakers see Section Auxiliary PowerNecessary parts Engine Reset circuit breaker CB9 see Section CT1OM-492 Electrical Diagrams Circuit Diagram For Welding Generator200 RUN-IN Procedure WetstackingLoad Bank Run-In Procedure Using Load BankWelding Generator Weld Cables Run-In Procedure Using Resistance Grid Do not touch hot exhaustBank/grid From flammablesSelecting Equipment Auxiliary Power GuidelinesGrounding Generator To Truck Or Trailer Frame Grounding When Supplying Building Systems How Much Power Does Equipment Require?Earth ground if supplying Amperes x Volts = WattsApproximate Power Requirements For Industrial Motors Approximate Power Requirements For Farm/Home EquipmentIndustrial Motors Rating Starting Watts Running Watts Farm/Home Equipment Rating Starting Watts Running WattsApproximate Power Requirements For Contractor Equipment Contractor Rating Starting Watts Running WattsPower Required To Start Motor How Much Power Can Generator Supply?Single-Phase Induction Motor Starting Requirements KVA/HP x HP xTypical Connections To Supply Standby Power Selecting Extension Cord Use Shortest Cord Possible Current Load Watts AmperesParts List 112104 103 102 101 100 105 109 108 107 1064746 8988 Item Dia Part Mkgs Description Quantity PLG11 Front Panel Front Panel -5, Item Inverter Assembly Inverter Assembly -5, Item Generator Service SupportHobart Welding Products Contact your Distributor forCall

Trouble

CT1.

Reset circuit breaker CB9 (see Section 7-8).

OM-492 Page 36