Hobart Welding Products OM-498 manual Adjusting Engine Speed Kohler-Powered Units

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7-4. Adjusting Engine Speed (Kohler-Powered Units)

2000 ± 150 rpm

3720 ± 50 rpm (60 Hz)

After tuning engine, check engine speeds. See table for proper no load speeds. If necessary, adjust speeds as follows:

Start engine and run until warm.

Weld/Power Speed

Adjustment

1Throttle Control Lever

2Adjustment Screw

Move lever to Run (far right) posi- tion. To increase speed, turn screw out (counterclockwise) while lightly pushing lever to the right. To de- crease speed, turn screw in (clock- wise).

Top View

3

Idle Speed Adjustment

3 Adjustment Screw

Move lever to idle (far left) position. To increase idle speed, turn screw in (clockwise). To decrease idle speed, turn screw out (counter- clockwise).

YStop engine. Close fuel valve.

Top View

2

1

Tools Needed:

802 512-A / Kohler Dwg.

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Contents
OM-498 ProcessesDescription 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 DefinitionsDimensions Dimensions, Weights, And Operating AnglesFuel Consumption Kohler-Powered Units Weight Kohler-Powered UnitsDuty Cycle Fuel Consumption Honda-Powered UnitsExceeding duty cycle can damage unit and void warranty 100% Duty Cycle at 80 Amperes CC/DCAuxiliary Power Curve Volt-Ampere CurvesInstallation Installing Welding GeneratorGrounding Generator To Truck Or Trailer Frame Grounding Generator When Supplying Building Systems Use ground device as stated in electrical codesOil Engine Prestart Checks Honda-Powered UnitsConnecting The Battery Honda Electric-Start Models Only Connect negative cable last45 m 60 m 70 m 90 m 105 m 120 m Connecting To Weld Output TerminalsSelecting Weld Cable Sizes Stop engine before60 Hz Controls Kohler-Powered UnitsOperating the Welding Generator Choke Control LeverControls Honda-Powered Units See Section Recoil-Start 2Electric-StartDescription Of Controls Honda-Powered Units See Section Auxiliary Power Panel 196 921 CSA Operating Auxiliary EquipmentCircuit Breakers CB1 and CB2 Australia Europe Auxiliary Power Panel 196 Optional Auxiliary Power PanelsAuxiliary Power Panel 495 Auxiliary Power Panel 495 South America Asia Auxiliary Power Panel Ratings It exceeds 3500WPlex receptacle shares a load with Plug Wired For 120/240Wire Load One half of the 240 V receptacleMaintenance Maintenance Label Overload Protection Honda-Powered Units OnlyTop View Idle Speed Adjustment Adjusting Engine Speed Kohler-Powered UnitsWeld/Power Speed Adjustment Stop engine. Close fuel valve Top ViewStop engine. Close fuel valve Adjusting Engine Speed Honda-Powered UnitsThrottle Control Lever Adjustment Screw Tools Needed 3/8Auxiliary Power TroubleshootingTroubleshooting WeldingEngine Check battery voltage Honda electric-start models onlyViscosity oil for operating temperature Make starting difficultElectrical Diagrams Circuit Diagram For Welding GeneratorWiring Diagram For Welding Generator Wiring Diagram For Auxiliary Power Panels 1 Wiring Diagram For Auxiliary Power Panels 2 Auxiliary Power Guidelines Selecting EquipmentEarth ground if supplying Grounding When Supplying Building SystemsHow Much Power Does Equipment Require? Rating DataIndustrial 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 xSafety practices Power Company ServiceObtain and install correct switch 120 Single-PhaseSelecting Extension Cord Use Shortest Cord Possible Current Load Watts AmperesStick Welding Procedure Weld current starts when electrode touches work- pieceStick Welding Smaw Guidelines Electrode and Amperage Selection Chart Striking an Arc Scratch Start TechniqueStriking an Arc Tapping Technique Positioning Electrode Holder Poor Weld Bead CharacteristicsGood Weld Bead Characteristics 9090 End View of Work AngleConditions That Affect Weld Bead Shape Electrode Movement During WeldingTee Joint Butt JointsLap Joint 16 in 1.6 mm Tack WeldsWeld Test Troubleshooting PorosityTroubleshooting Excessive Spatter Possible Causes Corrective ActionsTroubleshooting Incomplete Fusion Troubleshooting Lack Of PenetrationTroubleshooting Excessive Penetration Troubleshooting Burn-Through Troubleshooting Waviness Of BeadTroubleshooting Distortion OM-498 Parts List 31-FigDia Part Canada South Africa AustraliaEurope America Auxiliary Power Panel 495 289 Australia Auxiliary Power Panel 495 CanadaAuxiliary Power Panel 495 253 South Africa Auxiliary Power Panel 495 290 EuropeOM-498 Service SupportContact your Distributor for Hobart Welding ProductsCall
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