Hobart H-9B Installing Wire Spool And Adjusting Hub Tension, Installing 4 in 102 mm Wire Spool

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4-4. Installing Wire Spool And Adjusting Hub Tension

Installing 4 in (102 mm) Wire Spool

. Overtightening hub tension may cause wire feed problems.

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

Installing 8 in (203 mm) Wire Spool

	. Only applies to units equipped with	Adapter used with
		8 in (203 mm)
	optional hub kit.
		spool only.

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

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

Tools Needed:

1/2 in

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

OM-923 Page 12

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Contents OM-923 ProcessesDescription File Flux Cored FcawFrom Hobart to You Table of Contents Warranty 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 EMF Information Principal Safety StandardsAbout Pacemakers LES Fumées ET LES GAZ peuvent être dangereux UNE Décharge Électrique peut entraîner la mortIndique un message de sécurité particulier LE Soudage peut provoquer un Incendie ou une explosionDES Particules Volantes peuvent blesser les yeux DES Pièces Chaudes peuvent provoquer des brûlures gravesRisque D’INCENDIE OU D’EXPLO LA Chute DE L’APPAREIL peut blesser’EMPLOI Excessif peut SUR DES Organes Mobiles peuvent provoquer des blessuresPrincipales normes de sécurité En ce qui concerne les stimulateurs cardiaquesSpecifications − SpecificationsDuty Cycle And Overheating Volt-Ampere Curves − Installation Installing Work ClampProcess/Polarity Table PolarityInstalling Wire Spool And Adjusting Hub Tension Installing 4 in 102 mm Wire SpoolDo not move or operate unit where it could tip Installing Contact Tip And Nozzle Turn off welding power sourceThreading Welding Wire Input Power− Operation ControlsOperating The Gun − Maintenance &TROUBLESHOOTING Routine MaintenanceOverload Protection Drive Motor ProtectionChanging Drive Roll Or Wire Inlet Guide Slide replacement wire guide intoReplacing Gun Contact Tip Cleaning Gun Liner End of wire at spool Replacing Gun Liner13/16 in 21 mm Trouble Remedy Troubleshooting TableDoes not run − Electrical Diagram Circuit Diagram− Wire Welding Guidelines Typical Fcaw Process ConnectionsTypical Control Settings Wire Size Amperage RangeThickness to Amperage a AmperageHolding And Positioning Welding Gun Conditions That Affect Weld Bead Shape Good Weld Bead Characteristics Poor Weld Bead CharacteristicsGun Movement During Welding Troubleshooting − Excessive Spatter Troubleshooting − PorosityTroubleshooting − Excessive Penetration Possible Causes Corrective ActionsTroubleshooting − Incomplete Fusion Troubleshooting − Lack Of PenetrationTroubleshooting − Burn-Through Troubleshooting − Waviness Of Bead Troubleshooting − DistortionTroubleshooting Guide For Semiautomatic Welding Equipment Wire does not feed− Parts List Main AssemblyDia Part Description Quantity 225 PkgWire Drive Assembly 209Page Support ServiceAssistance Contact your Distributor for Hobart Welding Products