Hobart Welding Products OM-227 978B manual Selecting a Location And Connecting Input Power

Page 18

5-6. Selecting A Location And Connecting Input Power

18 in (457 mm) of space for airflow

Y Special installation may be required where gasoline or volatile liquids are present − see NEC Article 511 or CEC

 

 

 

 

 

Section 20.

 

 

 

 

 

 

Y Installation must meet all Na-

 

 

 

 

 

tional and Local Codes −

 

 

 

 

 

have only qualified persons

 

 

 

 

 

make this installation.

 

 

 

 

 

Y Disconnect and lockout/tag-

 

 

 

 

 

out input power before con-

 

 

 

 

 

necting

input

conductors

 

 

 

 

 

from unit.

 

 

 

 

 

 

Y Always

connect green

or

 

 

 

 

 

green/yellow conductor

to

 

 

 

 

 

supply grounding terminal

Y Do not move or operate

 

 

 

first, and never to a line

ter-

unit where it could tip.

 

 

 

minal.

 

 

 

 

 

 

 

1

Rating Label

 

 

 

=GND/PE Earth Ground

 

Supply correct input power.

 

 

1

 

 

2

Black And White Input

 

 

 

 

 

Conductor (L1 And L2)

 

 

6

 

 

3

Green Or Green/Yellow

 

 

 

 

 

Grounding Conductor

 

 

 

 

 

4

Input Power Cord.

 

 

 

9

 

5

Disconnect Device (switch

 

 

 

 

 

shown in the OFF position)

 

 

 

 

 

 

 

 

 

6

Disconnect Device Grounding

 

 

5

 

 

Terminal

 

 

 

 

 

 

7

Disconnect Device Line

 

 

 

 

 

 

 

 

7

 

 

Terminals

 

 

 

 

 

Connect

green or

green/yellow

 

 

L1

 

 

 

2

grounding conductor to disconnect

 

 

 

 

 

L2

device grounding terminal first.

 

 

 

 

 

 

3

 

 

Connect input conductors L1 and

 

 

 

L2 to disconnect device line

 

 

 

 

 

4

 

 

terminals.

 

 

 

 

 

 

 

 

 

 

 

 

 

1

10

 

 

8

Receptacle (NEMA 6-50R)

 

 

 

Connect receptacle as shown.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9

Over-Current Protection

 

 

 

 

 

Select type and size of over-current

 

 

 

 

protection using Section 5-7(fused

 

 

 

 

disconnect switch shown).

 

 

 

 

 

Close and secure door on disconnect

 

 

 

 

device.

Remove

lockout/tagout

 

8

 

 

device, and place switch in the On

 

 

 

 

position.

 

 

 

 

 

L2

L1

 

10

Plug (NEMA 6-50P)

 

 

 

 

 

 

 

 

 

Connect plug to receptacle.

230 VAC, 1

ssb2.2* 1/94 − 804 687-A

OM-227 978 Page 14

Page 17 Page 19
Image 18
Page 17 Page 19
Contents Description OM-227 978BProcesses 2007−04From Hobart to You Table of Contents − Parts List − MIG Welding Gmaw GuidelinesTypical MIG Process Connections Arc Welding Hazards Symbol UsageMarks a special safety message Electric Shock can killFlying Metal can injure eyes ARC Rays can burn eyes and skinWelding can cause fire or explosion Buildup of GAS can injure or killCalifornia Proposition 65 Warnings Principal Safety Standards EMF InformationAbout Pacemakers UNE Décharge Électrique peut entraîner la mort LES Fumées ET LES GAZ peuvent être dangereuxIndique un message de sécurité particulier DES Pièces Chaudes peuvent provoquer des brûlures graves LE Soudage peut provoquer un incendie ou une explosionDES Particules Volantes peuvent blesser les yeux LE Bruit peut endommager l’ouïe’EMPLOI Excessif peut SUR Risque D’INCENDIE OU D’EXPLOLA Chute DE L’APPAREIL peut blesser DES Organes Mobiles peuvent provoquer des blessuresBoulevard, Rexdale, Ontario, Canada M9W 1R3 téléphone En ce qui concerne les stimulateurs cardiaquesSpecifications − SpecificationsSymbols And Definitions − DefinitionsAmperes Duty Cycle And OverheatingVolt-Ampere Curves Output− Installation Installing Welding GunInstalling Work Clamp Process/Polarity Table Changing PolarityInstalling Gas Supply Selecting a Location And Connecting Input Power Electrical Service Guide Installing Wire Spool And Adjusting Hub TensionTools Needed Installing Contact Tip And Nozzle Connecting Optional Spool Gun Appropriate settingThreading Welding Wire − Operation ControlsWeld Parameter Chart For 230 VAC Model 227 949-B Overload Protection Drive Motor Protection − Maintenance &TROUBLESHOOTINGRoutine Maintenance MonthsReplacing Gun Contact Tip Changing Drive Roll Or Wire Inlet GuideTurn Off power before replacing contact tip 030/.035 Groove Stamped 023/.025 Groove Stamped .030/.035Cleaning Or Replacing Gun Liner Disconnect gun from unitTo Reassemble Gun Replacing Switch And/Or Head Tube Troubleshooting Table Trouble RemedyOM-227 978 − Electrical Diagram Circuit Diagram227 951-B − MIG Welding Gmaw Guidelines Typical MIG Process ConnectionsThickness to Amperage a Typical MIG Process Control SettingsWire Size Amperage Range AmperageHolding And Positioning Welding Gun Perpendicular Drag Conditions That Affect Weld Bead ShapePush Short Normal LongPoor Weld Bead Characteristics Good Weld Bead CharacteristicsGun Movement During Welding Troubleshooting − Excessive Penetration Troubleshooting − Excessive SpatterTroubleshooting − Porosity Possible Causes Corrective ActionsTroubleshooting − Lack Of Penetration Troubleshooting − Incomplete FusionTroubleshooting − Burn-Through Common MIG Shielding Gases Troubleshooting − Waviness Of BeadTroubleshooting − Distortion Weld beadTroubleshooting Guide For Semiautomatic Welding Equipment OM-227 978 − Parts List Main AssemblyDia Part Dia Part Mkgs Description Quantity H-14 Gun 231Optional Drive Rolls OptionsConsumables Page Work like a Pro Service SupportAssistance Contact your Distributor for Hobart Welding Products
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