Hobart Welding Products OM-945 Adjusting Engine Speed Robin-Powered Units, Idle Speed Adjustment

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8-7. Adjusting Engine Speed (Robin-Powered Units)

2200 ± 100 rpm

3700 ± 50 rpm

1

3

2

4

6 5

Tools Needed:

10mm

8 mm

OM-945 Page 28

After tuning engine, check engine speeds with a tachometer (see table). If necessary, adjust speeds as follows:

Start engine and run until warm.

Remove wrapper to access speed adjustments.

Idle Speed Adjustment

Move Engine Control switch to Run/Idle position.

1Throttle Solenoid

2Mounting Screws

3Idle Speed Screw

Loosen mounting screws. Adjust solenoid position so engine runs at idle speed. If necessary, back out idle speed screw so solenoid can be moved to correct position. Tight- en mounting screws. Be sure sole- noid linkage works smoothly.

Turn idle speed screw for fine adjustments.

Weld/Power Speed Adjustment

Move Engine Control switch to Run position.

4Jam Nut

5Lock Nut

6Weld/Power Speed Adjustment Screw

Loosen jam nut and lock nut. Turn adjustment screw until engine runs at weld/power speed. Tighten jam nut, and then tighten lock nut.

YStop engine. Reinstall wrapper.

802 353-G / 802 457

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Contents Processes DescriptionFrom Hobart to You Table of Contents Options and Accessories Warranty Symbol Usage Arc Welding HazardsEngine Hazards Compressed Air Hazards Principal Safety Standards California Proposition 65 WarningsEMF Information Radiation can cause interferenceSignification des symboles − Consignes DE Sécurité − Lire Avant UtilisationUN Choc Électrique peut tuer LES Fumées ET LES GAZ peuvent être dangereuxLE Soudage peut provoquer un in- cendie ou une explosion DES Particules Volantes peuvent blesser les yeuxDES Pièces Chaudes peuvent provoquer des brûlures graves LE Bruit peut affecter l’ouïe’AIR Comprimé peut provoquer des blessures ’EMPLOI Excessif peutLE Surchauffement peut endom- mager le moteur électrique LES Étincelles Volantes risquent de provoquer des blessuresLE Soudage À L’ARC risque de provoquer des interférences Pour les moteurs à essencePour les moteurs diesel En ce qui concerne les stimulateurs cardiaques− Specifications Symbol DefinitionsWeld, Power, and Engine Specifications − DefinitionsDimensions, Weights, and Operating Angles Generator Power CurveFuel Consumption All Models Duty CycleMaterial Thickness Reference Chart Volt-Ampere Curves− Installation Installing Welding GeneratorVehicle frame. Always connect a ground wire MountingEngine Prestart Checks Robin-Powered Units Engine Prestart Checks Kohler-Powered UnitsFuel OilActivating The Dry Charge Battery If Applicable Connecting the BatteryDo not overfill battery cells Connect negative −Installing Exhaust Pipe Weld Output TerminalsConnecting To Weld Output Terminals Selecting Weld Cable Sizes− Operating the Welding Generator Front Panel ControlsCold Weather Engine Operation Amperage Selection Table For Stick Smaw ElectrodesInfrequently Loaded− Operating Auxiliary Equipment Standard ReceptaclesOptional Generator Power Receptacles Gfci Receptacle OptionCurrent Available in Amperes 240 Receptacle− Maintenance ROBIN-POWERED Units Routine Maintenance Robin-Powered UnitsMaintenance Label Robin-Powered Units Servicing Air Cleaner Robin−Powered Units Overload Protection Robin-Powered Units Servicing Optional Spark Arrestor Robin-Powered UnitsStop engine. Disconnect nega- tive − battery cable Stop engine and let coolFull Tools Needed Weld/Power Speed Adjustment Adjusting Engine Speed Robin-Powered UnitsIdle Speed Adjustment − Maintenance − KOHLER-POWERED Units Routine Maintenance Kohler-Powered UnitsMaintenance Label Kohler-Powered Units Servicing Air Cleaner Kohler−Powered Units Overload Protection Kohler-Powered Units Servicing Optional Spark Arrestor Kohler-Powered Units802 339-G / S-0842 Adjusting Engine Speed Kohler-Powered Units Stop engine. Reinstall wrapper− Troubleshooting TroubleshootingGenerator Power WeldingEngine Work like a Pro − Electrical Diagram Grounding Generator To Truck Or Trailer Frame − Generator 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 x 1000 = Starting AmperageTypical Connections To Supply Standby Power Selecting Extension Cord Use Shortest Cord Possible Current Load Watts Amperes− Stick Welding Smaw Guidelines Stick Welding ProcedureWeld current starts when electrode touches work- piece Striking an Arc − Tapping Technique Electrode and Amperage Selection ChartStriking an Arc − Scratch Start Technique Positioning Electrode Holder Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Conditions That Affect Weld Bead Shape Electrode Movement During WeldingTee Joint Butt JointsLap Joint Troubleshooting − Porosity Troubleshooting − Excessive SpatterWeld Test Possible Causes Corrective ActionsTroubleshooting − Excessive Penetration Troubleshooting − Incomplete FusionTroubleshooting − Lack Of Penetration Troubleshooting − Distortion Troubleshooting − Burn-ThroughTroubleshooting − Waviness Of Bead − Parts List Main Assembly Robin Engine ShownMain Assembly Panel, Front w/Components Panel, Front w/Components -1Item Generator -1Item Assistance ServiceSupport Contact your Distributor for Hobart Welding Products

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