Hobart 125 EZ, H-9B manual Wire Drive Assembly, 209

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			Figure 8-3. Wire Drive Assembly
	Item	Part	Description	Quantity
	No.	No.	Description	Quantity
		209 532	Figure 8-3. Wire Drive Assembly
. . .	1	212 377 .	. . . BEARING, idler	. . . . . . . . . . . . . . . . . . . . . . . . . 1
. . .	2	212 379 .	. . . ROLL, drive .024-.030/.035	. . . . . . . . . . . . . . . . . . . . . . . . . 1
. . .	3	212 383 .	. . . RETAINER, feedroll	. . . . . . . . . . . . . . . . . . . . . . . . . 1
. . .	4	212 368 .	. . . GUIDE, wire inlet	. . . . . . . . . . . . . . . . . . . . . . . . . 1
. . .	5	212 384 .	. . . COVER, torch	. . . . . . . . . . . . . . . . . . . . . . . . . 1
. . .	6	212 385 .	. . . KNOB, tension	. . . . . . . . . . . . . . . . . . . . . . . . . 1
. . .	7	212 387 .	. . . SPRING, compression	. . . . . . . . . . . . . . . . . . . . . . . . . 1
. . .	8	212 388 .	. . . CUP, spring	. . . . . . . . . . . . . . . . . . . . . . . . . 1
. . .	9	212 389 .	. . . SCREW, torch cover	. . . . . . . . . . . . . . . . . . . . . . . . . 1

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 8-2. Options

PART NO.	DESCRIPTION	REMARKS

194 776	Small Running Gear/Cylinder Rack	To Mount Unit For Maneuverability

195 216	Hub Kit	For 8 in Wire Spool

195 186	Protective Cover	Weatherproof Nylon

NOTE: If individual parts are required, see Parts List chapter of this manual for part number to order.

OM-923 Page 37

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Contents Processes OM-923Description File Flux Cored FcawFrom Hobart to You Table of Contents Warranty Marks a special safety message Symbol UsageArc Welding Hazards Electric Shock can killWelding can cause fire or explosion ARC Rays can burn eyes and skinFlying 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 Incendie ou une explosion LE Soudage peut provoquer unDES Particules Volantes peuvent blesser les yeux DES Pièces Chaudes peuvent provoquer des brûlures gravesLA Chute DE L’APPAREIL peut blesser Risque D’INCENDIE OU D’EXPLO’EMPLOI Excessif peut SUR DES Organes Mobiles peuvent provoquer des blessuresEn ce qui concerne les stimulateurs cardiaques Principales normes de sécuritéDuty Cycle And Overheating − SpecificationsSpecifications Volt-Ampere Curves Installing Work Clamp − InstallationProcess/Polarity Table PolarityInstalling 4 in 102 mm Wire Spool Installing Wire Spool And Adjusting Hub TensionDo not move or operate unit where it could tip Turn off welding power source Installing Contact Tip And NozzleInput Power Threading Welding WireControls − OperationOperating The Gun Routine Maintenance − Maintenance &TROUBLESHOOTINGOverload Protection Drive Motor ProtectionSlide replacement wire guide into Changing Drive Roll Or Wire Inlet GuideReplacing Gun Contact Tip Cleaning Gun Liner Replacing Gun Liner End of wire at spool13/16 in 21 mm Does not run Troubleshooting TableTrouble Remedy Circuit Diagram − Electrical DiagramTypical Fcaw Process Connections − Wire Welding GuidelinesWire Size Amperage Range Typical Control SettingsThickness to Amperage a AmperageHolding And Positioning Welding Gun Conditions That Affect Weld Bead Shape Gun Movement During Welding Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Troubleshooting − Porosity Troubleshooting − Excessive SpatterTroubleshooting − Excessive Penetration Possible Causes Corrective ActionsTroubleshooting − Burn-Through Troubleshooting − Lack Of PenetrationTroubleshooting − Incomplete Fusion Troubleshooting − Distortion Troubleshooting − Waviness Of BeadTroubleshooting Guide For Semiautomatic Welding Equipment Wire does not feedMain Assembly − Parts ListDia Part Description Quantity Pkg 225209 Wire Drive AssemblyPage Assistance ServiceSupport Hobart Welding Products Contact your Distributor for