Hobart Welding Products 230 Selecting a Location And Connecting Input Power, Conductors from unit

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3-14. Selecting A Location And Connecting Input Power

!

Do not move or operate unit where it could tip.

18 in (457 mm) of space for airflow

1

8

=GND/PE Earth Ground

10

7

9

	6	L1	5
		L2

4

2	3

1

L2L1

230 VAC, 1

Ref. 242 691-A / 802 286-E

! Installation must meet all National and Local Codes − have only quali- fied persons make this installation.

! Special installation may be

required where gasoline or volatile liquids are present − see NEC Ar- ticle 511 or CEC Section 20.

! Disconnect and lockout/tagout in- put power before connecting input

conductors from unit.

! Always connect green or green/yel- low conductor to supply grounding terminal first, and never to a line

terminal.

1 Rating Label

Supply correct input power.

2Plug (NEMA Type 6-50P)

3Receptacle NEMA Type 6-50R) Connect plug to receptacle.

4Input Power Cord.

5Black And White Input Conductor (L1 And L2)

6Green Or Green/Yellow Grounding Conductor

7Disconnect Device (switch shown in the OFF position)

8Disconnect Device Grounding Terminal

9 Disconnect Device Line Terminals

Connect green or green/yellow grounding conductor to disconnect device grounding terminal first.

Connect input conductors L1 and L2 to dis- connect device line terminals.

10 Over-Current Protection

Select type and size of over-current protection using Section 3-13(fused dis- connect switch shown).

Close and secure door on disconnect device. Remove lockout/tagout device, and place switch in the On position.

OM-235 281 Page 20

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Contents OM-235 281A ProcessesDescription File MIG GmawFrom Hobart to You Protect Your InvestmentTable of Contents Warranty Symbol Usage Arc Welding HazardsElectric Shock can kill HOT Parts can burnFumes and Gases can be hazardous ARC Rays can burn eyes and skinWelding can cause fire or explosion Flying Metal or Dirt can injure eyesWelding Wire can injure Fire or Explosion hazardFalling Equipment can injure Moving Parts can injurePrincipal Safety Standards California Proposition 65 WarningsEMF Information About Implanted Medical DevicesSymboles utilisés UNE Décharge Électrique peut entraîner la mortDES Pièces Chaudes peuvent provoquer des brûlures graves LES Fumées ET LES GAZ peuvent être dangereuxLE Soudage peut provoquer un in cendie ou une explosion LE Bruit peut endommager l’ouïe LES Bouteilles peuvent exploser si elles sont endommagéesRisque D’INCENDIE OU D’EXPLO- Sion LA Chute DE L’APPAREIL peut blesserProposition californienne 65 Avertissements LES Fils DE Soudage peuvent provoquer des blessuresLE Soudage À L’ARC risque de provoquer des interférences Principales normes de sécurité Information EMFEn ce qui concerne les implants médicaux OM-235 281 Specifications Welding Power Source Duty Cycle And OverheatingOverheating Volt-Ampere Curves VoltageAmperage 40.0 35.0 30.0 25.0 20.0 15.0 10.0 100 150 200 250 300Installing Welding Gun MIG GUNConnecting To Weld Output Terminals Installing Work ClampSetting Gun Polarity For Wire Type Installing 2 lb Wire Spool And Adjusting Hub TensionChanging Polarity Electrode Negative DcenInstalling 10 lb Wire Spool And Adjusting Hub Tension Installing 33 lb Wire Spool And Adjusting Hub TensionInstalling Gas Supply Rear PanelTools Needed 1-1/8, 5/8 Turn off and disconnect input power Positioning Jumper LinksElectrical Service Guide Hz SingleInput Voltage Input Amperes At Rated OutputSelecting a Location And Connecting Input Power Do not move or operate unit where it could tipSpecial installation may be Conductors from unitThreading Welding Wire Turn Off unit, and disconnect input power Wire Speed Control Controls3070 2080 1090 Selecting Wire, Gas and Control Settings Weld ParametersRoutine Maintenance Disconnect powerSupplementary Protectors Before maintainingReplacing Drive Roll And Wire Inlet Guide Turn Off powerRemoving Knob From Front Panel Aligning Drive Rolls and Wire Guide Turn Off power before replacing contact tipReplacing Gun Contact Tip Installing Cable Hangers Turn Off power before Installing cable hangersCable Hanger Screws Tools Needed Turn off welding power source/wire feeder Welding Troubleshooting Table Wire Drive/Gun Troubleshooting TableWire Drive/Gun Trouble Remedy Welding Trouble Remedy− MIG Welding Gmaw Guidelines Typical MIG Process ConnectionsTypical MIG Process Control Settings Wire Size Amperage RangeAmperage Select VoltageHolding And Positioning Welding Gun Groove WeldsConditions That Affect Weld Bead Shape PushPerpendicular Drag Short Normal LongPoor Weld Bead Characteristics Good Weld Bead CharacteristicsGun Movement During Welding Troubleshooting − Excessive Spatter Troubleshooting − PorosityTroubleshooting − Excessive Penetration Possible Causes Corrective ActionsTroubleshooting − Lack Of Penetration Troubleshooting − Incomplete FusionTroubleshooting − Burn-Through Troubleshooting − Waviness Of Bead Troubleshooting − DistortionBase metal to move DirectionTroubleshooting Guide For Semiautomatic Welding Equipment Common MIG Shielding GasesApplication Welding arc not stable Wire slipping in drive rolls Readjust welding parametersWelding power source Drive rolls if necessary− Electrical Diagram Main Assembly 10 − Fig 17 − FigItem Dia Part Description Quantity Mkgs Center Baffle w/Components Center Baffle w/Components -1Item Rear Panel w/Components Front Panel w/Components Wire Drive Assembly 234 Wire Drive AssemblyH200L4−15 Gun 237Accessories Knurl Drive Roll For Hard Shell Cored WiresService SupportAssistance Contact your Distributor for Hobart Welding Products