Hobart Welding Products 150, 120 manual Operation, Controls, Voltage Switch, Or 4-3, as applicable

Page 22

SECTION 4 – OPERATION

4-1. Controls

1 Voltage Switch

The higher the selected number, the thicker the material that can be welded (see weld setting label in welding power source or Sections 4-2 and 4-3, as applicable). Do not switch under load.

2 Voltage Switch - Purge “0” Position

In purge position, fan runs but there is no weld output.

	3	Wire Speed Control
	Use control to select a wire feed
	speed. As Voltage switch setting in-
	creases, wire speed range also in-
	creases (see weld setting label in
	welding power source or Sections
	4-2 or 4-3, as applicable).
1	4	Power Switch
	2

WELD VOLTS

MATERIAL

THICKNESS

(STEEL)

3	11 GA.	4 MAX.
	.125

2 16 GA.

.062

1	18–24 GA.	PURGE
	.022–.047

4 6

Do not switch while welding

Ne pas commuter durant LeSoudure

WIRE
FEED	2	8
SPEED	2	8
SPEED

0 10

OFF O

INPUT

POWER

Ref. ST-205 387

OM-210 088 Page 18

Image 22

Contents Processes OM-210 088DDescription From Hobart to You Table of Contents Page Arc Welding Hazards Symbol UsageMarks a special safety message Electric Shock can killFlying Metal can injure eyes ARC Rays can burn eyes and skinWelding can cause fire or explosion Buildup of GAS can injure or killPrincipal Safety Standards EMF Information About PacemakersUN Choc É Lectrique peut tuer Signification des symbolesConsignes DE Securite Lire Avant Utilisation LES Fumé ES ET LES GAZ peuvent ê tre dangereuxDES Particules Volantes peuvent blesser les yeux LE Soudage peut provoquer un incendie ou une explosionLE Bruit peut affecter l’ouïe ’EMPLOI Excessif peut Risque D’INCENDIE OULA Chute DE L’APPAREIL peut blesser DES Organes Mobiles peuvent provoquer des blessuresInformation sur les champs é lectromagné tiques Principales normes de sé curitéConsignes relatives aux stimulateurs cardiaques Specifications SpecificationsVAC Model Overheating Duty Cycle And Overheating30%dutycycle at 90 amps Minutes Welding Reduce Duty Cycle MinutesVolt-Ampere Curves Changing Polarity InstallationInstalling Welding Gun Process/Polarity TableInstalling Gas Supply Flow Adjust460 mm 18 in 457 mm of space for airflow Do not move or operate unit Where it could tipL2 L1 230 VAC Standard Wire Spool 8 Lb Wire Spool 4 Electrical Service Guide For 230 VAC ModelInstalling Wire Spool And Adjusting Hub Tension Adjusting Hub TensionCut off wire. Close and latch door Threading Welding WireRemove gun nozzle and contact tip Operation Voltage SwitchPower Switch ControlsWeld Parameters For 120 VAC Model Weld Parameters For 230 VAC Model Disconnect power before maintaining Maintenance &TROUBLESHOOTINGRoutine Maintenance Overload ProtectionTurn Off power before replacing contact tip Changing Drive Roll Or Wire Inlet GuideReplacing Gun Contact Tip Disconnect gun from unit Cleaning Or Replacing Piecemaker 14-A Gun LinerTo Reassemble Gun Secure power cord plug in receptacle see Section Troubleshooting TableTrouble Remedy OM-210 088 Electrical Diagram OM-187 926Circuit Diagram For 120 VAC CSA Model Circuit Diagram For 230 VAC Model Typical MIG Process Connections Regulator Flowmeter Wire Feeder Power Source Shielding GasMIG Welding Gmaw Guidelines Gun Workpiece Work ClampSelect Wire Size Typical MIG Process Control SettingsWire Recommendation Wire Speed Select VoltageHolding And Positioning Welding Gun Short Normal Long Conditions That Affect Weld Bead ShapePush PerpendicularDrag ShortNormalLongGood Weld Bead Characteristics Poor Weld Bead CharacteristicsGun Movement During Welding Troubleshooting Excessive Penetration Troubleshooting Excessive SpatterTroubleshooting Porosity Possible Causes Corrective ActionsTroubleshooting Incomplete Fusion Troubleshooting Lack Of PenetrationTroubleshooting Burn-Through Troubleshooting Distortion Troubleshooting Waviness Of BeadWeld bead Application Common MIG Shielding GasesFlat & Horizontal1 Fillet Parts List Main AssemblyDia Part Mkgs Description Quantity Gun And Cable Assembly, Piecemaker 14-A 379 177 177282A-9 177282A-6 024 H 379 177282A-7379 177 177282A-8 379 177 177282A-10 024 H 177282A-11202 Optional Drive RollsOptions For One Small Gas CylinderService SupportHobart Welding Products Contact your Distributor forCall

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.