Hobart Welding Products 140 manual Installing Wire Spool And Adjusting Hub Tension

Page 20

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

5-7. Installing Wire Spool And Adjusting Hub Tension

Installing 4 in (102 mm) Wire Spool

When a slight force is needed to turn spool, tension is set.

Installing 8 in (203 mm) Wire Spool

Adapter used with 8 in (203 mm) spool only.

When a slight force is needed to turn spool, tension is set.

Align locking hole in spool with locking pin on spool hub.

Retaining ring used with 8 in (203 mm) spool only.

Tools Needed:

1/2 in

803 012 / 803 013 -B / Ref. 802 971-C

OM-925 Page 16

Image 20

Contents Description OM-925Processes From Hobart to You Table of Contents Typical MIG Process Connections − ACCESSORIES/CONSUMABLES− MIG Welding Gmaw Guidelines 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 About Pacemakers Principal Safety StandardsEMF Information Indique un message de sécurité particulier UNE Décharge Électrique peut entraîner la mortLES Fumées ET LES GAZ peuvent être dangereux 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 hubUse with solid or flux cored wire Installing Contact Tip And NozzleTurn off welding power source Threading Welding Wire Lay gun cable out straightPressure Indicator Scale TightenControls Source or -2. Do not switch under load− Operation 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 GrooveTo Reassemble Gun Cleaning Or Replacing Gun LinerDisconnect gun from unit Slide handle Replacing Switch And/Or Head TubeRemove handle locking nut Secure head tube in vice 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 LongGun Movement During Welding Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Troubleshooting − Excessive Spatter Troubleshooting − PorosityTroubleshooting − Excessive Penetration Possible Causes Corrective ActionsTroubleshooting − Burn-Through Troubleshooting − Lack Of PenetrationTroubleshooting − Incomplete Fusion Weld bead Troubleshooting − Waviness Of BeadTroubleshooting − Distortion Application Troubleshooting Guide For Semiautomatic Welding EquipmentCommon MIG Shielding Gases 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 Assistance ServiceSupport Contact your Distributor for Hobart Welding Products