Hobart Welding Products OM-240 438E manual Grounding Generator To Truck Or Trailer Frame, Gnd/Pe

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. A complete Parts List is available at wwwHobartWelders.com

5-3. Grounding Generator To Truck Or Trailer Frame

1 2

GND/PE

3

!Always ground generator frame to vehicle frame to pre- vent electric shock and static electricity hazards.

!Also see AWS Safety & Health Fact Sheet No. 29, Grounding of Portable And Vehicle Mounted Welding Generators.

!Bed liners, shipping skids, and some running gear insu- late the welding generator from the vehicle frame. Al- ways connect a ground wire from the generator equip- ment grounding terminal to bare metal on the vehicle frame as shown.

!If unit does not have GFCI re- ceptacles, use GFCI-pro- tected extension cord.

1Equipment Grounding Terminal (On Front Panel)

2Grounding Cable (Not Supplied)

3Metal Vehicle Frame

Connect cable from equipment ground terminal to metal vehicle frame. Use #8 AWG or larger insu- lated copper wire.

.Electrically bond generator

frame to vehicle frame by met- al-to-metal contact.

rot_grnd1 2010−04 − 800 652-D

OM-240 438 Page 22

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Contents Description OM-240 438EProcesses From Hobart to You Protect Your InvestmentTable of Contents 10-1 Electric Shock can kill Symbol UsageArc Welding Hazards HOT Parts can burnARC Rays can burn eyes and skin Fumes and Gases can be hazardousBuildup of GAS can injure or kill Welding can cause fire or explosionEngine Hazards Hydraulic Equipment can injure or kill Hydraulic HazardsCompressed Air Hazards Hydraulic Fluid can injure or killOverheating can damage motors Compressed AIR can injure or killFire or Explosion hazard Falling Equipment can injureCalifornia Proposition 65 Warnings About Implanted Medical Devices Principal Safety StandardsEMF Information UN Choc Électrique peut tuer Signification des symboles− Consignes DE Sécurité − Lire Avant Utilisation Indique des instructions spécifiquesLE Soudage peut provoquer un incendie ou une explosion LES Pièces Chaudes peuvent provoquer des brûluresLES Fumées ET LES GAZ peu- vent être dangereux LE Bruit peut affecter l’ouïe’EXPLOSION DE LA Batterie peut provoquer des blessures Les Pièces Mobiles peuvent causer des blessuresLES Étincelles À L’ÉCHAPPEMENT peuvent provoquer un incendie LA Chaleur DU Moteur peut pro- voquer un incendieLire LES Instructions LE Surchauffement peut endommager le moteur électrique Risque D’INCENDIE OULA Chute DE L’ÉQUIPEMENT peut provoquer des blessures LES Étincelles Projetées peuvent provoquer des blessuresLE Soudage À L’ARC risque de provoquer des interférences Proposition californienne 65 AvertissementsUNE Remorque QUI Bascule peut provoquer des blessures En ce qui concerne les implants médicaux Principales normes de sécuritéInformations relatives aux CEM Weld, Power, and Engine Specifications − SpecificationsSymbol Definitions − DefinitionsDimensions, Weights, And Operating Angles Weight 562 lb 254 kgDuty Cycle Dimensions For Units With Optional Running GearDimensions Duty CycleVolt-Ampere Curves For CC/AC ModeFor CC/DC Mode Generator Power Curve Fuel ConsumptionSerial Number And Rating Label Location − InstallationInstalling Welding Generator Movement Location / Airflow ClearanceGrounding Generator To Truck Or Trailer Frame GND/PEEngine Prestart Checks OilConnect negative − battery cable last Installing Exhaust PipeConnecting Or Replacing the Battery + −Tools Needed 3/4 Connecting To Weld Output TerminalsStop engine Failure to properly connect 350 ft 400 ft 45 m 60 m 70 m 90 m 105 m 120 m Selecting Weld Cable Sizes150 ft 200 ft 250 ft 100 150 200 250Start Your Professional Welding Career Now Front Panel Controls Engine Control Switch− Operating the Welding Generator Fine ControlLoaded Cold Weather Engine OperationInfrequently Frequently LoadedElectrode Typical Stick Welding Connections And Control SettingsStop engine Gfci Receptacle Option − Operating Auxiliary EquipmentStandard Receptacles At least once a month, run engine atCurrent Available in Amperes 240 Simultaneous Weld And PowerWiring Optional 240 Volt Plug Receptacle− Maintenance Maintenance Label200 Routine Maintenance100 500Servicing Air Cleaner Close valve and valve cap Changing Engine Oil, Oil Filter, and Fuel FilterStop engine and let cool Before Adding Oil Running engineWeld/Power Speed Adjustment Adjusting Engine SpeedIdle Speed Adjustment Turn idle speed screw for fine ad- justmentsServicing Optional Spark Arrestor Stop engine. Disconnect negative − battery cableOverload Protection Fuse F1 See SectionGenerator Power Troubleshooting − TroubleshootingWelding Troubleshooting Trouble RemedyErs SR2 and SR3 Engine TroubleshootingCheck receptacle wiring and connections Check fuel levelRecommended Spare Parts − Parts ListControl switch S2, and throttle solenoid TS1 Recommended Spare Parts− Electrical Diagrams Circuit Diagram For Welding Generator240 424-B − Generator Power Guidelines Selecting EquipmentUse ground device as stated Grounding When Supplying Building SystemsHow Much Power Does Equipment Require? 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 x 1000 / Volts = Starting AmperageTypical Connections To Supply Standby Power Selecting Extension Cord Use Shortest Cord Possible Weld current starts when Stick Welding Procedure− Stick Welding Smaw Guidelines Electrode touches workScratch Technique Electrode and Amperage Selection ChartStriking an Arc Tapping TechniquePositioning Electrode Holder Poor Weld Bead CharacteristicsGood Weld Bead Characteristics End View Of Work Angle Side View Of Electrode Angle 10-30Electrode Angle Conditions That Affect Weld Bead ShapeElectrode Movement During Welding NormalTee Joint Groove Butt JointsLap Joint Or LessPossible Causes Corrective Actions TroubleshootingWeld Test Weld beadMetal remains Lack of Penetration Good PenetrationGood Penetration Excessive Penetration DirectionSOCKET/WRENCH Selection Table Standard Metric Assistance ServiceSupport Contact your Distributor for Hobart Welding Products