Hobart Welding Products OM-227 978B manual H-14 Gun, 231

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				804 692-A
			Figure 10-2. H-14 Gun
	Item	Part
	No.	No.	Description	Quantity
		231 204	Figure 10-2. H-14 Gun

. . .	1	. . . . . . . . . .	. . NOZZLE, slip type .500 orf flush (see Section 10-5)
. . .	1	. . . . . . . . . .	. . NOZZLE, flux cored slip type (see Section 10-5)
. . .	2	. . . . . . . . . .	. . TIP, contact scr .023 wire x 1.125 (see Section 10-5)
. . .	2	. . . . . . . . . .	. . TIP, contact scr .030 wire x 1.125 (see Section 10-5)
. . .	2	. . . . . . . . . .	. . TIP, contact scr .035 wire x 1.125 (see Section 10-5)
. . .	2	. . . . . . . . . .	. . TIP, contact scr .045 wire x 1.125 (see Section 10-5)
. . .	3	. . . . . . . . . .	. . ADAPTER, contact tip (see Section 10-5)
. . .	4	. 170 470	. . RING, retaining	. . 1
. . .	5	. 169 718	. . TUBE, head	. . 1
. . .	6	. 169 738	. . NUT, locking handle	. . 1
. . .	7	. 169 719	. . NUT, jam	. . 1
. . .	8	. 079 975	. . O-RING, .187 ID x .103CS rbr	. . 1
. . .	9	. . . . . . . . . .	. . LINER, monocoil .023/.025 wire x 15ft (including) (see Section 10-5)
. . .	9	. . . . . . . . . .	. . LINER, monocoil .030/.035 wire x 15ft (including) (see Section 10-5)
. . .	9	. . . . . . . . . .	. . LINER, monocoil .035/.045 wire x 15ft (including) (see Section 10-5)
. . .	9	♦194 014	. . LINER, monocoil 4/64 AL wire x 10ft nyl (including)	. . 1
. . . 10		. 197 123	. . . . O-RING, .312 ID x .062 70 Dura BUNA-N	. . 2
. . . 11		. 196 255	. . SWITCH, trigger	. . 1
. . . 12		. 180 433	. . CORD, trigger assembly	. . 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.

OM-227 978 Page 43

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Contents 2007−04 OM-227 978BProcesses DescriptionFrom Hobart to You Table of Contents Typical MIG Process Connections − Parts List− MIG Welding Gmaw Guidelines Electric Shock can kill Symbol UsageMarks a special safety message Arc Welding HazardsBuildup of GAS can injure or kill ARC Rays can burn eyes and skinWelding can cause fire or explosion Flying Metal can injure eyesCalifornia 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 Bruit peut endommager l’ouïe LE Soudage peut provoquer un incendie ou une explosionDES Particules Volantes peuvent blesser les yeux DES Pièces Chaudes peuvent provoquer des brûlures gravesDES Organes Mobiles peuvent provoquer des blessures Risque D’INCENDIE OU D’EXPLOLA Chute DE L’APPAREIL peut blesser ’EMPLOI Excessif peut SUREn ce qui concerne les stimulateurs cardiaques Boulevard, Rexdale, Ontario, Canada M9W 1R3 téléphone− Definitions − SpecificationsSymbols And Definitions SpecificationsOutput Duty Cycle And OverheatingVolt-Ampere Curves AmperesInstalling Work Clamp − InstallationInstalling Welding Gun Changing Polarity Process/Polarity TableInstalling Gas Supply Selecting a Location And Connecting Input Power Tools Needed Electrical Service GuideInstalling Wire Spool And Adjusting Hub Tension Installing Contact Tip And Nozzle Appropriate setting Connecting Optional Spool GunThreading Welding Wire Controls − OperationWeld Parameter Chart For 230 VAC Model 227 949-B Months − Maintenance &TROUBLESHOOTINGRoutine Maintenance Overload Protection Drive Motor Protection030/.035 Groove Stamped 023/.025 Groove Stamped .030/.035 Changing Drive Roll Or Wire Inlet GuideTurn Off power before replacing contact tip Replacing Gun Contact TipTo Reassemble Gun Cleaning Or Replacing Gun LinerDisconnect gun from unit Replacing Switch And/Or Head Tube Trouble Remedy Troubleshooting TableOM-227 978 Circuit Diagram − Electrical Diagram227 951-B Typical MIG Process Connections − MIG Welding Gmaw GuidelinesAmperage Typical MIG Process Control SettingsWire Size Amperage Range Thickness to Amperage aHolding And Positioning Welding Gun Short Normal Long Conditions That Affect Weld Bead ShapePush Perpendicular DragGun Movement During Welding Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Possible Causes Corrective Actions Troubleshooting − Excessive SpatterTroubleshooting − Porosity Troubleshooting − Excessive PenetrationTroubleshooting − Burn-Through Troubleshooting − Lack Of PenetrationTroubleshooting − Incomplete Fusion Weld bead Troubleshooting − Waviness Of BeadTroubleshooting − Distortion Common MIG Shielding GasesTroubleshooting Guide For Semiautomatic Welding Equipment OM-227 978 Main Assembly − Parts ListDia Part Dia Part Mkgs Description Quantity 231 H-14 GunConsumables Optional Drive RollsOptions Page Work like a Pro Assistance ServiceSupport Hobart Welding Products Contact your Distributor for