Hobart Welding Products 217 694E Operation, Controls, Source or -2. Do not switch under load

Page 26

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

SECTION 6 − OPERATION

6-1. Controls

1	2

NE PAS CHANGER

DE PROCÉDÉ

1 Wire Speed Control

Use control to select a wire feed speed. As Voltage switch setting increases, wire speed range also increases (see weld setting label in welding power source or Section 6-2).

2Power Switch

3Voltage Switch

The higher the selected number, the thicker the material that can be welded (see weld setting label in welding power

Ref. 230 002-A

source or Section 6-2). Do not switch under load.

.Switch must “click” into detent position for weld output.

OM-925 Page 22

Image 26

Contents Description Arc Welding Power Source Wire FeederProcesses OM-925217 694E 2008−10From Hobart to You Protect Your InvestmentTable of Contents − ACCESSORIES/CONSUMABLES Electric Shock can kill Symbol UsageArc Welding Hazards HOT Parts can cause severe burnsWelding can cause fire or explosion Fumes and Gases can be hazardousARC Rays can burn eyes and skin Flying Metal or Dirt can injure eyesFalling Unit can cause injury Welding Wire can cause injuryFire or Explosion hazard Moving Parts can cause injuryEMF Information Principal Safety StandardsCalifornia Proposition 65 Warnings About Implanted Medical DevicesIndique des instructions spécifiques Symboles utilisésUNE Décharge Électrique peut entraîner la mort LE Soudage peut provoquer un in cendie ou une explosion DES Pièces Chaudes peuvent provoquer des brûlures gravesLES Fumées ET LES GAZ peuvent être dangereux Risque D’INCENDIE OU D’EXPLO- Sion LE Bruit peut endommager l’ouïeLES Bouteilles peuvent exploser si elles sont endommagées LA Chute DE L’APPAREIL peut blesserLE Soudage À L’ARC risque de provoquer des interférences Proposition californienne 65 AvertissementsLES Fils DE Soudage peuvent provoquer des blessures En ce qui concerne les implants médicaux Principales normes de sécuritéInformation EMF OM-925 Specifications − SpecificationsSymbols And Definitions − DefinitionsOutput Duty Cycle % WarrantyDuty Cycle And Overheating Can damage unit or gun and void15.0 Volt-Ampere CurvesVoltage 10.0 100 110 120 130 140 150 160Installing Work Clamp − InstallationInstalling Welding Gun Be sure that gun end is tight against drive assemblyProcess/Polarity Table Changing PolarityFeedhead Pressure Assembly Closed Installing Gas SupplyFeedhead Pressure Assembly Open Do not use Argon/Mixed gas regulator/flowmeterSelecting a Location And Connecting Input Power Do not move or operate unit Where it could tipRetaining ring used with 8 in 203 mm spool only Installing Wire Spool And Adjusting Hub TensionAlign locking hole in spool with locking pin on spool hub Use with solid or flux cored wire Installing Contact Tip And NozzleTurn off welding power source Lay gun cable out straight Threading Welding WireHold wire tightly to keep it from unraveling Tighten With a setting of 2 or 3 on the scalePressure Indicator Scale Desired drive roll pressure. StartControls Source or -2. Do not switch under load− Operation Material Thickness Reference Chart Weld Parameter Chart 217 618-A Overload Protection − Maintenance & TroubleshootingRoutine Maintenance Drive Motor ProtectionReplacing Gun Contact Tip Changing Drive Roll Or Wire Inlet GuideTurn Off power before replacing contact tip Stamped Stamped .030/.035To Reassemble Gun Cleaning Or Replacing Gun LinerDisconnect gun from unit Replacing Switch And/Or Head Tube Troubleshooting Table Trouble Remedy− Electrical Diagram Circuit DiagramTypical MIG Process Connections Wire Feeder Power Source Shielding Gas− MIG Welding Gmaw Guidelines Regulator Flowmeter001 in = 1 ampere Typical MIG Process Control SettingsWire Size Amperage Range 125 in = 125 aHolding And Positioning Welding Gun Groove WeldsShort Normal Long Conditions That Affect Weld Bead ShapePush Perpendicular Drag Slow Normal FastGun Movement During Welding Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Troubleshooting − Excessive Penetration Troubleshooting − Excessive SpatterTroubleshooting − Porosity Possible Causes Corrective ActionsTroubleshooting − Burn-Through Troubleshooting − Lack Of PenetrationTroubleshooting − Incomplete Fusion Base metal to move Troubleshooting − Waviness Of BeadTroubleshooting − Distortion DirectionApplication Troubleshooting Guide For Semiautomatic Welding EquipmentCommon MIG Shielding Gases Welding power source Welding arc not stable Wire slipping in drive rollsReadjust welding parameters Drive rolls if necessaryReplacement Drive Rolls − ACCESSORIES/CONSUMABLESAccessories ConsumablesAssistance ServiceSupport Contact your Distributor for Hobart Welding Products