Hobart H-9B, 125 EZ manual 225, Pkg

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				804 243-A
			Figure 8-2. H-9B Gun
	Item	Part	Description	Quantity
	No.	No.	Description	Quantity
		225 397	Figure 8-2. H-9B Gun

. . .	1	. 169 715 . .	NOZZLE, slip type .500 orf flush	. . . 1
. . .	1	♦226 190 . .	NOZZLE, flux cored slip type	. . . 1
. . .	2	. 169 716 . .	ADAPTER, contact tip	. . . 1
. . .	3	. 225 410 . .	SWITCH, trigger	. . . 1
. . .	4	. 210 970 . .	LINER, monocoil .023/.035 wire x 8ft	. . . 1
. . .	5	♦087 299 . .	TIP, contact scr .023 wire x 1.125
. . .	5	. 000 067 . .	TIP, contact scr .030 wire x 1.125	. . . 1
. . .	5	♦000 068 . .	TIP, contact scr .035 wire x 1.125
. . .	6	. 226 010 . .	NUT, liner retainer	. . . 1
. . . 7		. 226 080 . .	HANDLE ASSY	. . . 1

♦OPTIONAL

To maintain the factory original performance of your equipment, use only Manufacturer’s Suggested Replacement Parts. Model and serial number required when ordering parts from your local distributor.

Table 8-1. Contact Tip Options

HOBART PART NO.	DESCRIPTION	REMARKS

196 131	Tip, contact scr .030 wire	Pkg of 5

196 132	Tip, contact scr .035 wire	Pkg of 5

196 137	Nozzle, slip type .500 orf flush	Qty 1

196 135	Adapter, contact tip	Qty 1

WELD-IT PART NO.	DESCRIPTION	REMARKS


770 174	Tip, contact scr .023 wire	Pkg of 5

770 177	Tip, contact scr .030 wire	Pkg of 5

770 180	Tip, contact scr .035 wire	Pkg of 5

OM-923 Page 36

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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