Hobart Welding Products OM-925 217 694A manual Optional Drive Rolls, Options, 195

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	Item	Part
	No.	No.	Description	Quantity
		195 957	Figure 9-2. H-10 Gun

. . .	1	. 169 715	. . . . NOZZLE, slip type .500 orf flush	. . . 1
. . .	2	♦087 299	. . . . TIP, contact scr .023 wire x 1.125
. . .	2	♦000 067	. . . . TIP, contact scr .030 wire x 1.125
. . .	2	♦000 068	. . . . TIP, contact scr .035 wire x 1.125
. . .	2	♦000 069	. . . . TIP, contact scr .045 wire x 1.125
. . .	3	. 169 716	. . . . ADAPTER, contact tip	. . . 1
. . .	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	♦194 010	. . . . LINER, monocoil .023/.025 wire x 15ft (consisting of)	. . . 1
. . .	9	♦194 011	. . . . LINER, monocoil .030/.035 wire x 15ft (consisting of)	. . . 1
. . .	9	♦194 012	. . . . LINER, monocoil .035/.045 wire x 15ft (consisting of)	. . . 1
. . .	9	♦194 014	. . . . LINER, monocoil 4/64 AL wire x 10ft nyl(consisting of)	. . . 1
. . . 10		. 197 123	. . . . O-RING, .312 ID x .062 70 Dura BUNA-N	. . . 2
. . . 11		. 196 255	. . SWITCH, trigger	. . . 1

♦OPTIONAL

To maintain the factory original performance of your Replacement Parts. Model and serial number required

equipment, use only Manufacturer’s Suggested when ordering parts from your local distributor.

9-3. Optional Drive Rolls

	For All Feed Head Assemblies

PART NO.		WIRE DIAMETER
PART NO.		INCHES (mm)
		INCHES (mm)

202 925		.023/.025 (.6) and .030/.035 (.8 and .9)

202 926		.030/.035 (.8 and .9) and .045 (1.2 VK Groove)

9-4. Options

PART NO.	DESCRIPTION	REMARKS

770 187	Running Gear/Cylinder Rack	For One Small Gas Cylinder, 100 lb (45 kg) max.

194 776	Small Running Gear/Cylinder Rack	For One Small Gas Cylinder, 75 lb (34 kg) max.

195 957	H-10 Replacement Gun	10 ft length/.030-.035 wire size

195 186	Protective Cover	Weatherproof nylon

212 492	Regulator/Flowmeter	For use with CO2 shielding gas, 10−50 CFH

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

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OM-925 Page 45

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Contents Processes OM-925Description From Hobart to You Table of Contents Options and Accessories 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 EMF Information Principal Safety StandardsAbout Pacemakers − Consignes DE Sécurité − À Lire Avant Utilisation Identifie un message de sécurité particulierLES Particules Projetées peu- vent blesser les yeux LE Soudage peut causer un incen- die ou une explosionLES Pièces Chaudes peuvent cau- ser des brûlures graves LE Bruit peut affecter l’ouïeLA Chute DE L’APPAREIL peut blesser Risque D’INCENDIE OU D’EXPLO’EMPLOI Excessif peut Faire LES Pièces Mobiles peuvent cau- ser des blessuresInformation sur les champs électromagnétiques Principales normes de sécuritéConsignes relatives aux stimulateurs cardiaques Specifications − SpecificationsVAC Model Amperes Duty Cycle And OverheatingOutput Duty Cycle % VAC Model Output AmperesVoltage Volt-Ampere CurvesInstalling Welding Gun Installing Work Clamp − InstallationChanging Polarity Process/Polarity TableInstalling Gas Supply Is required = GND/PE Do not move or operate unit where it could tipInstalling Wire Spool And Adjusting Hub Tension Electrical Service Guide For 230 VAC ModelHold wire tightly to keep it From unraveling Threading Welding WireControls − OperationSteel Weld Parameter Chart For 115 VAC ModelInch 20 ga 18 ga 16 ga 11 gaWeld Parameter Chart For 230 VAC Model 18 ga 16 ga 11 ga 048 060 Inch Wire Welding PackageRoutine Maintenance − Maintenance &TROUBLESHOOTINGDisconnect power before maintaining Overload Protection Drive Motor ProtectionTurn Off power before replacing contact tip Changing Drive Roll Or Wire Inlet GuideReplacing Gun Contact Tip Disconnect gun from unit Cleaning Or Replacing Gun LinerTo Reassemble Gun Replacing Switch And/Or Head Tube Trouble Remedy Troubleshooting TableCircuit Diagram For 115 VAC Model − Electrical DiagramCircuit Diagram For 230 VAC Model Typical MIG Process Connections − MIG Welding Gmaw GuidelinesWire Size Amperage Range Typical MIG Process Control SettingsThickness to Amperage a Select VoltageHolding And Positioning Welding Gun Conditions That Affect Weld Bead Shape Good Weld Bead Characteristics Poor Weld Bead CharacteristicsGun Movement During Welding Troubleshooting − Porosity Troubleshooting − Excessive SpatterTroubleshooting − Excessive Penetration Possible Causes Corrective ActionsTroubleshooting − Incomplete Fusion Troubleshooting − Lack Of PenetrationTroubleshooting − Burn-Through Troubleshooting − Distortion Troubleshooting − Waviness Of BeadCommon MIG Shielding Gases Troubleshooting Guide For Semiautomatic Welding EquipmentApplication Welding arc not stable Wire slipping in drive rolls Return To Table Of Contents Main Assembly − Parts ListDia Part H-10 Gun Options Optional Drive Rolls195 Page Support ServiceHobart Welding Products Contact your Distributor for