Hobart Welding Products OM-240 438B Volt-Ampere Curves, Generator Power Curve, For CC/AC Mode

Page 23

. A complete Parts List is available at www.HobartWelders.com

4-7. Volt-Ampere Curves

A. For CC/AC Mode

80

 

 

 

 

 

 

 

 

 

70

 

 

 

 

 

 

 

 

 

60

 

 

 

 

 

 

RANGES

 

 

 

 

 

 

 

A = 85−225

 

 

 

 

 

 

 

 

 

50

 

 

 

 

 

 

B = 70−150

 

 

 

 

A

 

 

C = 50−100

 

VOLTS 40

 

 

 

 

 

 

 

 

B

 

 

 

 

 

 

AC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

30

 

C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

 

 

 

 

 

 

 

 

 

10

 

 

 

 

 

 

 

 

 

0

0

50

100

150

200

250

300

350

400

AC AMPERES

B. For CC/DC Mode

The volt-ampere curve shows the minimum and maximum voltage and amperage output capabilities of the welding generator. Curves of all other settings fall between the curves shown.

 

80

 

 

 

 

 

 

 

 

 

70

 

 

 

 

 

 

RANGES

 

 

 

 

 

 

 

 

 

 

 

60

 

 

 

 

 

 

A = 85−225

 

DC VOLTS

50

 

 

 

 

 

 

B = 70−150

 

 

 

 

 

 

 

C = 50−100

 

 

 

 

A

 

 

 

 

40

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

30

 

B

 

 

 

 

 

 

 

20

C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

 

 

 

 

 

 

 

 

 

0

50

100

150

200

250

300

350

400

 

0

DC AMPERES

240 426-A / 240 427-A

 

4-8. Generator Power Curve

The generator power curve shows the generator power in amperes available at the receptacles.

240 425-A

OM-240 438 Page 19

Image 23
Contents Description OM-240 438BProcesses Protect Your Investment From Hobart to YouTable of Contents 11-1 10-110-2 10-3HOT Parts can burn Symbol UsageArc Welding Hazards Electric Shock can killWelding can cause fire or explosion Fumes and Gases can be hazardousBuildup of GAS can injure or kill ARC Rays can burn eyes and skinHydraulic Hazards Engine HazardsCompressed AIR Equipment can injure or kill Use only genuine replacement parts from the manufacturerCompressed Air Hazards Hydraulic Fluid can injure or killOverheating can damage motors Welding Wire can injureFire or Explosion hazard Falling Equipment can injureARC Welding can cause interference Principal Safety Standards EMF InformationCalifornia Proposition 65 Warnings Radiation can cause interferenceIndique des instructions spécifiques Signification des symboles− Consignes DE Sécurité − Lire Avant Utilisation UN Choc Électrique peut tuerLE Bruit peut affecter l’ouïe LES Pièces Chaudes peuvent provoquer des brûluresLES Fumées ET LES GAZ peu- vent être dangereux LE Soudage peut provoquer un incendie ou une explosionLes Pièces Mobiles peuvent causer des blessures ’EXPLOSION DE LA Batterie peut provoquer des blessuresLes Pièces Mobiles peuvent causer des blessures LA Chaleur DU Moteur peut pro- voquer un incendieLire LES Instructions LE Surchauffement peut endommager le moteur électrique Risque D’INCENDIE OULES Fils DE Soudage peuvent provoquer des blessures LA Chute DE L’ÉQUIPEMENT peut provoquer des blessuresLE Soudage À L’ARC risque de provoquer des interférences Proposition californienne 65 AvertissementsPrincipales normes de sécurité En ce qui concerne les implants médicaux Informations relatives aux CEM− Definitions − SpecificationsSymbol Definitions Weld, Power, and Engine SpecificationsWeight 562 lb 254 kg Dimensions, Weights, And Operating AnglesComplete Parts List is available at wwwHobartWelders.com Welding Amperes Dimensions For Units With Optional Running GearDimensions Duty CycleFuel Consumption Kohler-Powered Units Fuel Consumption Subaru-Powered UnitsVolt-Ampere Curves Generator Power CurveFor CC/AC Mode For CC/DC ModeSerial Number And Rating Label Location − InstallationInstalling Welding Generator Grounding Generator To Truck Or Trailer Frame Oil Engine Prestart Checks Subaru-Powered UnitsOil Check To improve cold weather starting Engine Prestart Checks Kohler-Powered UnitsFull + − + − Installing Exhaust PipeConnecting Or Replacing the Battery Connect negative − battery cable lastTools Needed 3/4 Connecting To Weld Output TerminalsStop engine Failure to properly connect 100 150 200 250 Selecting Weld Cable Sizes150 ft 200 ft 250 ft 350 ft 400 ft 45 m 60 m 70 m 90 m 105 m 120 mFine Control Engine Control Switch− Operating the Welding Generator Front Panel ControlsFrequently Cold Weather Engine OperationInfrequently LoadedElectrode Typical Stick Welding Connections And Control SettingsStop engine Standard Receptacles − Operating Auxiliary EquipmentReceptacle Simultaneous Weld And PowerWiring Optional 240 Volt Plug Current Available in Amperes 240Maintenance Label Subaru-Powered Units − Maintenance SUBARU-POWERED Units200 Routine Maintenance Subaru-Powered UnitsStop engine before maintaining 100Stop engine and let cool Servicing Air Cleaner Subaru-Powered UnitsServicing Optional Spark Arrestor Subaru-Powered Units Oil Drain Valve Oil Filter Oil Fill Oil CheckIdle Speed Adjustment Adjusting Engine Speed Subaru-Powered UnitsFuse F1 See Section Overload Protection Subaru-Powered UnitsStop engine. Disconnect negative − battery cable Maintenance Label Kohler-Powered Units − Maintenance − KOHLER-POWERED UnitsHours Nl Weld Cables ~ Slip Rings Nl Brushes OM-240 438 Routine Maintenance Kohler-Powered UnitsServicing Air Cleaner Kohler−Powered Units Full Before adding oil Running engine Stop engine and let cool Oil Drain Valve2 ID x 7 in Hose Oil Filter Close valve and valve capTurn idle speed screw for fine ad- justments Adjusting Engine Speed Kohler-Powered UnitsAdjustment Nut Loosen lock nut. Turn adjustmentIf a fuse opens, it usually indi Overload Protection Kohler-Powered UnitsServicing Optional Spark Arrestor Kohler-Powered Units Trouble Remedy − TroubleshootingWelding Troubleshooting Generator Power TroubleshootingCheck fuel level Engine TroubleshootingCheck receptacle wiring and connections Recommended Spare Parts − Parts ListControl switch S2, and throttle solenoid TS1 Recommended Spare PartsSOCKET/WRENCH Selection Table Standard Metric Circuit Diagram For Welding Generator − Electrical Diagrams240 424-A Selecting Equipment − Generator Power GuidelinesElectrical codes Grounding When Supplying Building SystemsHow Much Power Does Equipment Require? Use ground device as statedFarm/Home Equipment Rating Starting Watts Running Watts Approximate Power Requirements For Industrial MotorsApproximate Power Requirements For Farm/Home Equipment Industrial Motors Rating Starting Watts Running WattsContractor Rating Starting Watts Running Watts Approximate Power Requirements For Contractor EquipmentKVA/HP x HP x 1000 / Volts = Starting Amperage Power Required To Start MotorHow Much Power Can Generator Supply? Single-Phase Induction Motor Starting RequirementsTional, state, and local codes Typical Connections To Supply Standby PowerSelecting Extension Cord Use Shortest Cord Possible Tools Needed Equipment Needed Piece Weld current can damage Stick Welding Procedure− Stick Welding Smaw Guidelines Electrode touches workTapping Technique Electrode and Amperage Selection ChartStriking an Arc Scratch TechniqueGroove Welds Fillet Welds Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Positioning Electrode HolderElectrode Angle Conditions That Affect Weld Bead ShapeElectrode Movement During Welding Tee Joint Butt JointsLap Joint Possible Causes Corrective Actions TroubleshootingWeld Test To 3 51-76 mm .4 mmMetal remains Lack of Penetration Good PenetrationGood Penetration Excessive Penetration OM-240 438 OM-240 438 OM-240 438 Assistance ServiceSupport Hobart Welding Products Contact your Distributor for