Hobart Welding Products 120, 150 manual Threading Welding Wire, Remove gun nozzle and contact tip

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3-9. Threading Welding Wire

Tools Needed:

1Wire Spool

2Welding Wire

3Inlet Wire Guide

4Pressure Adjustment Knob

5Drive Roll

6Outlet Wire Guide

7Gun Conduit Cable

Lay gun cable out straight.

. Hold wire tightly to keep it

	from unraveling.
		4 in
		(102 mm)
	6 in
	(150 mm)
Open pressure assembly.	Pull and hold wire; cut off end.	Push wire thru guides into gun;
		continue to hold wire.
	Tighten

INPUT

POWER

Close and tighten pressure	Remove gun nozzle and contact tip.	Turn power on.
assembly, and let go of wire.

Press gun trigger until wire comes out of gun.

Reinstall contact tip and nozzle.

WOOD

Feed wire to check drive roll pressure. Tighten knob enough to prevent slipping.

Cut off wire. Close and latch door.

Ref. ST-802 081 / Ref. ST-205 837

OM-210 088 Page 17

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Contents OM-210 088D ProcessesDescription From Hobart to You Table of Contents Page 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 killPrincipal Safety Standards About Pacemakers EMF InformationConsignes DE Securite Lire Avant Utilisation Signification des symbolesUN Choc É Lectrique peut tuer LES Fumé ES ET LES GAZ peuvent ê tre dangereuxLE Soudage peut provoquer un incendie ou une explosion DES Particules Volantes peuvent blesser les yeuxLE Bruit peut affecter l’ouïe LA Chute DE L’APPAREIL peut blesser Risque D’INCENDIE OU’EMPLOI Excessif peut DES Organes Mobiles peuvent provoquer des blessuresPrincipales normes de sé curité Information sur les champs é lectromagné tiquesConsignes relatives aux stimulateurs cardiaques Specifications SpecificationsVAC Model 30%dutycycle at 90 amps Minutes Welding Duty Cycle And OverheatingOverheating Reduce Duty Cycle MinutesVolt-Ampere Curves Installing Welding Gun InstallationChanging Polarity Process/Polarity TableFlow Adjust Installing Gas Supply460 mm Do not move or operate unit Where it could tip 18 in 457 mm of space for airflowL2 L1 230 VAC Installing Wire Spool And Adjusting Hub Tension Electrical Service Guide For 230 VAC ModelStandard Wire Spool 8 Lb Wire Spool 4 Adjusting Hub TensionThreading Welding Wire Cut off wire. Close and latch doorRemove gun nozzle and contact tip Power Switch Voltage SwitchOperation ControlsWeld Parameters For 120 VAC Model Weld Parameters For 230 VAC Model Routine Maintenance Maintenance &TROUBLESHOOTINGDisconnect power before maintaining Overload ProtectionChanging Drive Roll Or Wire Inlet Guide Turn Off power before replacing contact tipReplacing Gun Contact Tip Cleaning Or Replacing Piecemaker 14-A Gun Liner Disconnect gun from unitTo Reassemble Gun Troubleshooting Table Secure power cord plug in receptacle see SectionTrouble Remedy OM-210 088 OM-187 926 Electrical DiagramCircuit Diagram For 120 VAC CSA Model Circuit Diagram For 230 VAC Model MIG Welding Gmaw Guidelines Regulator Flowmeter Wire Feeder Power Source Shielding GasTypical MIG Process Connections Gun Workpiece Work ClampWire Recommendation Wire Speed Typical MIG Process Control SettingsSelect Wire Size Select VoltageHolding And Positioning Welding Gun Push PerpendicularDrag Conditions That Affect Weld Bead ShapeShort Normal Long ShortNormalLongPoor Weld Bead Characteristics Good Weld Bead CharacteristicsGun Movement During Welding Troubleshooting Porosity Troubleshooting Excessive SpatterTroubleshooting Excessive Penetration Possible Causes Corrective ActionsTroubleshooting Lack Of Penetration Troubleshooting Incomplete FusionTroubleshooting Burn-Through Troubleshooting Waviness Of Bead Troubleshooting DistortionWeld bead Common MIG Shielding Gases ApplicationFlat & Horizontal1 Fillet Main Assembly Parts ListDia Part Mkgs Description Quantity Gun And Cable Assembly, Piecemaker 14-A 379 177 177282A-8 177282A-6 024 H 379 177282A-7379 177 177282A-9 379 177 177282A-10 024 H 177282A-11Options Optional Drive Rolls202 For One Small Gas CylinderSupport ServiceContact your Distributor for Hobart Welding ProductsCall

120, 150 specifications

Hobart Welding Products has long been recognized for delivering high-quality welding solutions, and the Hobart 150,120 welder is no exception. This versatile, compact welder is designed to meet the needs of both hobbyists and professionals alike, making it a popular choice among welders in various industries.

One of the main features of the Hobart 150,120 is its dual voltage capability. It operates on both 120V and 240V power sources, providing users the flexibility to work in a variety of environments, whether at home or in a professional shop setting. This feature makes it particularly appealing for welding enthusiasts who may not always have access to higher voltage outlets.

The welder is equipped with a robust 30-140 amp output range, allowing users to tackle a wide range of welding tasks. This output capability supports a variety of materials, including mild steel, stainless steel, and aluminum, with thicknesses up to 1/4 inch. Whether you're working on auto repair, fabrication projects, or DIY tasks around the house, the Hobart 150,120 is well-suited for the job.

Another significant advantage of the Hobart 150,120 is its user-friendly design. The welder features an easy-to-read control panel that allows users to adjust the settings conveniently. The intuitive parameters ensure that both beginners and experienced welders can quickly achieve optimal results. Additionally, it incorporates a built-in thermal overload protection feature to prevent overheating, enhancing safety during operation.

In terms of technology, the Hobart 150,120 utilizes a MIG welding process that simplifies the welding experience. This process feeds a continuously welding wire through the welding gun, reducing the need for frequent reloading and ensuring a smooth, consistent weld. The inclusion of a gas solenoid also enables users to switch between gas-shielded and flux-cored wire, providing versatility for different applications.

Lastly, the compact design of the Hobart 150,120 makes it portable and easy to store, which is particularly advantageous for users with limited workspace. With its combination of robust features, advanced technologies, and user-friendly operation, the Hobart 150,120 welder stands out as an excellent choice for anyone looking to achieve high-quality welds with efficiency and ease. It firmly establishes Hobart Welding Products as a leader in the welding market.