Hobart Welding Products OM-240 438E manual Selecting Extension Cord Use Shortest Cord Possible

Page 54

12-11. Selecting Extension Cord (Use Shortest Cord Possible)

Cord Lengths for 120 Volt Loads

If unit does not have GFCI receptacles, use GFCI-protected extension cord.

Maximum Allowable Cord Length in ft (m) for Conductor Size (AWG)*

Current

Load (Watts)

4

 

6

 

8

10

12

14

(Amperes)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

600

 

 

 

350

(106)

225 (68)

137

(42)

100 (30)

 

 

 

 

 

 

 

 

 

 

7

840

 

400

(122)

250 (76)

150 (46)

100

(30)

62 (19)

 

 

 

 

 

 

 

 

10

1200

400 (122)

275 (84)

175 (53)

112 (34)

62 (19)

50 (15)

 

 

 

 

 

 

 

 

15

1800

300 (91)

175 (53)

112 (34)

75 (23)

37 (11)

30 (9)

 

 

 

 

 

 

 

 

 

 

20

2400

225 (68)

137 (42)

87

(26)

50 (15)

30

(9)

 

 

 

 

 

 

 

 

 

 

 

25

3000

175 (53)

112 (34)

62

(19)

37 (11)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

30

3600

150 (46)

87

(26)

50

(15)

37 (11)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

35

4200

125 (38)

75

(23)

50

(15)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

40

4800

112 (34)

62

(19)

37 (11)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

45

5400

100 (30)

62

(19)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

50

6000

87 (26)

50

(15)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*Conductor size is based on maximum 2% voltage drop

Cord Lengths for 240 Volt Loads

If unit does not have GFCI receptacles, use GFCI-protected extension cord.

Maximum Allowable Cord Length in ft (m) for Conductor Size (AWG)*

Current

Load (Watts)

4

6

 

8

10

12

14

(Amperes)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

1200

 

 

700

(213)

450

(137)

225 (84)

200 (61)

 

 

 

 

 

 

 

 

 

7

1680

 

800 (244)

500

(152)

300 (91)

200 (61)

125 (38)

 

 

 

 

 

 

 

 

 

10

2400

800 (244)

550 (168)

350

(107)

225 (69)

125 (38)

100 (31)

 

 

 

 

 

 

 

 

15

3600

600 (183)

350 (107)

225 (69)

150 (46)

75 (23)

60 (18)

 

 

 

 

 

 

 

 

20

4800

450 (137)

275 (84)

175 (53)

100 (31)

60 (18)

 

 

 

 

 

 

 

 

 

 

25

6000

350 (107)

225 (69)

125 (38)

75

(23)

 

 

 

 

 

 

 

 

 

 

 

30

7000

300 (91)

175 (53)

100 (31)

75

(23)

 

 

 

 

 

 

 

 

 

 

 

35

8400

250 (76)

150 (46)

100 (31)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

40

9600

225 (69)

125 (38)

75

(23)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

45

10,800

200 (61)

125 (38)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

50

12,000

175 (53)

100 (31)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*Conductor size is based on maximum 2% voltage drop OM-240 438 Page 50

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Contents OM-240 438E ProcessesDescription 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 Principal Safety Standards EMF InformationAbout Implanted Medical Devices 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 blessuresProposition californienne 65 Avertissements UNE Remorque QUI Bascule peut provoquer des blessuresLE Soudage À L’ARC risque de provoquer des interférences Principales normes de sécurité Informations relatives aux CEMEn ce qui concerne les implants médicaux 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 CycleFor CC/AC Mode For CC/DC ModeVolt-Ampere Curves 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 + −Connecting To Weld Output Terminals Stop engine Failure to properly connectTools Needed 3/4 350 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 LoadedTypical Stick Welding Connections And Control Settings Stop engineElectrode 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 Service SupportAssistance Contact your Distributor for Hobart Welding Products
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