Hobart Welding Products 140 manual Operation, Controls, Source or -2. Do not switch under load

Page 24

.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).

3

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 20

Image 24
Contents OM-925 ProcessesDescription From Hobart to You Table of Contents − ACCESSORIES/CONSUMABLES − MIG Welding Gmaw GuidelinesTypical MIG Process Connections Symbol Usage Marks a special safety messageArc Welding Hazards Electric Shock can killARC Rays can burn eyes and skin Welding can cause fire or explosionFlying Metal can injure eyes 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 LE Soudage peut provoquer un incendie ou une explosion DES Particules Volantes peuvent blesser les yeuxDES Pièces Chaudes peuvent provoquer des brûlures graves LE Bruit peut endommager l’ouïeRisque D’INCENDIE OU D’EXPLO LA Chute DE L’APPAREIL peut blesser’EMPLOI Excessif peut SUR DES Organes Mobiles peuvent provoquer des blessuresBoulevard, Rexdale, Ontario, Canada M9W 1R3 téléphone En ce qui concerne les stimulateurs cardiaques− Specifications Symbols And DefinitionsSpecifications − DefinitionsWarranty Duty Cycle And OverheatingOutput Duty Cycle % Exceeding duty cycle canVolt-Ampere Curves Voltage15.0 10.0 100 110 120 130 140 150 160− Installation Installing Welding GunInstalling Work Clamp Drive assembly. Tighten thumbscrewProcess/Polarity Table Changing PolarityInstalling Gas Supply CO2 gas regulator/flowmeterSelecting a Location And Connecting Input Power Do not move or operate unit Where it could tipInstalling Wire Spool And Adjusting Hub Tension Align locking hole in spool with locking pin on spool hubInstalling Contact Tip And Nozzle Turn off welding power sourceUse with solid or flux cored wire Threading Welding Wire Lay gun cable out straightPressure Indicator Scale TightenSource or -2. Do not switch under load − OperationControls Material Thickness Reference Chart Weld Parameter Chart 217 618-A − Maintenance & Troubleshooting Routine MaintenanceDisconnect power Overload Protection Drive Motor ProtectionChanging Drive Roll Or Wire Inlet Guide Turn Off power before replacing contact tipReplacing Gun Contact Tip Tools Needed 030/.035 GrooveCleaning Or Replacing Gun Liner Disconnect gun from unitTo Reassemble Gun Replacing Switch And/Or Head Tube Remove handle locking nut Secure head tube in viceSlide handle Troubleshooting Table Trouble Remedy− Electrical Diagram Circuit Diagram− MIG Welding Gmaw Guidelines Typical MIG Process ConnectionsTypical MIG Process Control Settings Wire Size Amperage RangeThickness to Amperage a Select VoltageHolding And Positioning Welding Gun Conditions 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 − DistortionWeld bead Troubleshooting 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− ACCESSORIES/CONSUMABLES AccessoriesReplacement Drive Rolls ConsumablesWork like a Pro Start Your Professional Service SupportAssistance Contact your Distributor for Hobart Welding Products