Hobart Welding Products 3225D manual Adjusting Engine Speed, Standard Models

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7-5. Adjusting Engine Speed

Standard Models

1850 rpm

(61.6 Hz)

1250 rpm

(41.5 Hz)

After tuning engine, check engine no load speed with a tachometer (see table for no load speeds). If necessary, adjust speed as follows:

Start engine and run until warm. Turn Amperage/Voltage Control to 100.

Standard Models:

1Engine Speed Adjustment Screw

2Locking Nut

Loosen nut. Turn screw until engine runs at 1850 rpm. Tighten nut.

Models With Automatic Idle (Optional)

3Throttle Rod

4Locknut

Loosen locknuts. Place engine control switch in Run/Idle position.

Turn throttle rod until engine runs at idle speed. Tighten locknuts.

5Engine Speed Adjustment Screw

6Locknut

Place engine control switch in Run position.

Loosen locknut. Turn screw until engine runs at weld/power speed. Tighten locknut.

YStop engine.

Models With Automatic Idle (Optional)
4	3	4

Tools Needed:

3/8, 7/16 in

Ref. ST-801 179 / Ref. ST-800 159-D / Ref. ST-800 161

OM-480 Page 28

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Contents Processes DescriptionFrom 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 cardiaquesSymbols And Definitions DefinitionsDimensions, Weights, And Operating Angles SpecificationsWeld, Power, And Engine Specifications Curve shows typical fuel use under weld or power loads Exceeding duty cycle can damage unit and void warrantyFuel Consumption Duty Cycle And OverheatingAC Auxiliary Power Volt-Ampere CurvesOptional AC Power Plant Curves Connecting The Battery InstallationInstalling Welding Generator Installing Muffler Pipe Engine Prestart ChecksStop engine and let cool FuelPut cap on fitting when cylinder is removed Installing Ether Cylinder Optional Ether Starting AidConnecting To Weld Output Terminals 10 100% Duty Cycle Selecting Weld Cable Sizes100 ft 30 m Or Less Operating the Welding Generator Controls See SectionDescription Of Front Panel Controls See Section Remote A/V ControlX 15 a + 120 V x 10 a = 3.0 kVA/kW Operating Auxiliary EquipmentVolt Duplex And Optional Gfci Receptacles Volt Duplex Receptacle Optional 240 V 15 a AC Receptacle RC1Circuit Breakers CB1 And CB2 X 10 a + 120 V x 5 a = 3.0 kVA/kWConnecting Optional Auxiliary Power Plant 240 Volt Twistlock Receptacle Optional Maintenance and Troubleshooting Maintenance Label Servicing Air Cleaner To Clean air filterStop engine HoseTo replace primary fuel filter Servicing Fuel And Lubrication SystemsTo change oil and filter Models With Automatic Idle Optional Adjusting Engine SpeedStandard Models Overload Protection Servicing Optional Ether Starting Aid Full EmptyWelding Inspecting And Cleaning Optional Spark ArrestorTroubleshooting Auxiliary Power Check connections to auxiliary power plant see SectionEngine Maximum see SectionElectrical Diagram Circuit Diagram For Welding GeneratorRUN-IN Procedure WetstackingRun-In Procedure Using Load Bank Stop engine Do not touch hot exhaustBank/grid From flammablesRun-In Procedure Using Resistance Grid Grounding Generator To Truck Or Trailer Frame Auxiliary Power GuidelinesSelecting Equipment 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 xPower Company Service Obtain and install correct switchSafety practices 120 Single-PhaseSelecting Extension Cord Use Shortest Cord Possible Current Load Watts AmperesOM-480 Parts List 125 124 123 122 71Includes 119 121 120 117116 114 106 112 113 111Fig 109 108 110 107 105 102 100 103 104126 65Fig Dia Part Description Mkgs Quantity 128 Panel, Front w/Components -1 Item 111Panel, Front w/Components -1 Item 111 Cont’d Generator Generator -1 Item 114 IncludesPage Page Service SupportCall Contact your Distributor forHobart Welding Products