Hobart Welding Products 120, 150 manual Holding And Positioning Welding Gun

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7-3. Holding And Positioning Welding Gun

NOTE

Welding wire is energized when gun trigger is pressed. Before lowering helmet and pressing trigger, be sure wire is no more than 1/2 in (13 mm) past end of nozzle, and tip of wire is positioned correctly on seam.

1			1	Hold Gun and Control Gun
				Trigger
			2	Workpiece
		3	3	Work Clamp
	2	3	4	Electrode Extension (Stickout)
			4	Electrode Extension (Stickout)
				1/4 to 1/2 in (6 To 13 mm)
				1/4 to 1/2 in (6 To 13 mm)
			5	Cradle Gun and Rest Hand on
				Workpiece

90°

0° -15°

90°

End View Of Work AngleSide View Of Gun Angle

GROOVE WELDS

45°0° -15°

45°

End View Of Work AngleSide View Of Gun Angle

FILLET WELDS

S-0421-A

OM-210 088 Page 31

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Contents Description OM-210 088DProcesses From Hobart to You Table of Contents Page 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 eyesPrincipal Safety Standards About Pacemakers EMF InformationLES Fumé ES ET LES GAZ peuvent ê tre dangereux Signification des symbolesConsignes DE Securite Lire Avant Utilisation UN Choc É Lectrique peut tuerLE Bruit peut affecter l’ouïe LE Soudage peut provoquer un incendie ou une explosionDES Particules Volantes peuvent blesser les yeux DES Organes Mobiles peuvent provoquer des blessures Risque D’INCENDIE OULA Chute DE L’APPAREIL peut blesser ’EMPLOI Excessif peutConsignes relatives aux stimulateurs cardiaques Principales normes de sé curitéInformation sur les champs é lectromagné tiques VAC Model SpecificationsSpecifications Reduce Duty Cycle Minutes Duty Cycle And Overheating30%dutycycle at 90 amps Minutes Welding OverheatingVolt-Ampere Curves Process/Polarity Table InstallationInstalling Welding Gun Changing PolarityFlow Adjust Installing Gas Supply460 mm L2 L1 230 VAC Do not move or operate unit Where it could tip18 in 457 mm of space for airflow Adjusting Hub Tension Electrical Service Guide For 230 VAC ModelInstalling Wire Spool And Adjusting Hub Tension Standard Wire Spool 8 Lb Wire Spool 4Remove gun nozzle and contact tip Threading Welding WireCut off wire. Close and latch door Controls Voltage SwitchPower Switch OperationWeld Parameters For 120 VAC Model Weld Parameters For 230 VAC Model Overload Protection Maintenance &TROUBLESHOOTINGRoutine Maintenance Disconnect power before maintainingReplacing Gun Contact Tip Changing Drive Roll Or Wire Inlet GuideTurn Off power before replacing contact tip To Reassemble Gun Cleaning Or Replacing Piecemaker 14-A Gun LinerDisconnect gun from unit Trouble Remedy Troubleshooting TableSecure power cord plug in receptacle see Section OM-210 088 OM-187 926 Electrical DiagramCircuit Diagram For 120 VAC CSA Model Circuit Diagram For 230 VAC Model Gun Workpiece Work Clamp Regulator Flowmeter Wire Feeder Power Source Shielding GasMIG Welding Gmaw Guidelines Typical MIG Process ConnectionsSelect Voltage Typical MIG Process Control SettingsWire Recommendation Wire Speed Select Wire SizeHolding And Positioning Welding Gun ShortNormalLong Conditions That Affect Weld Bead ShapePush PerpendicularDrag Short Normal LongGun 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 Flat & Horizontal1 Fillet Common MIG Shielding GasesApplication Main Assembly Parts ListDia Part Mkgs Description Quantity Gun And Cable Assembly, Piecemaker 14-A 379 177 177282A-10 024 H 177282A-11 177282A-6 024 H 379 177282A-7379 177 177282A-8 379 177 177282A-9For One Small Gas Cylinder Optional Drive RollsOptions 202Support ServiceCall Contact your Distributor forHobart Welding Products

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.