Hobart Welding Products 120 Cleaning Or Replacing Piecemaker 14-A Gun Liner, To Reassemble Gun

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5-5. Cleaning Or Replacing Piecemaker 14-A Gun Liner

Tools Needed:

Y Disconnect gun from unit.

1/16 in

Head Tube

Remove nozzle, contact tip, adapter, and wire outlet guide.

1/2 in

1/16 in

Loosen liner set screw.

Quick-Connect Plug

Lay gun cable out straight before installing new liner.

Blow out gun casing.

NOTE: Burrs or bent wire from spring may make it difficult to feed wire through the liner. Remove burrs

Remove liner.

To Reassemble Gun:

Insert new liner.

Push liner against quick-connect plug, and tighten set screw.

Cut liner off so that 3/4 in (19.05 mm) sticks out of head tube.

Install adapter, contact tip, and nozzle.

Ref. ST-801 995

OM-210 088 Page 23

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Contents OM-210 088D ProcessesDescription 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 Soudage peut provoquer un incendie ou une explosion DES Particules Volantes peuvent blesser les yeuxLE Bruit peut affecter l’ouïe DES Organes Mobiles peuvent provoquer des blessures Risque D’INCENDIE OULA Chute DE L’APPAREIL peut blesser ’EMPLOI Excessif peutPrincipales normes de sé curité Information sur les champs é lectromagné tiquesConsignes relatives aux stimulateurs cardiaques Specifications SpecificationsVAC Model 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 Do not move or operate unit Where it could tip 18 in 457 mm of space for airflowL2 L1 230 VAC Adjusting Hub Tension Electrical Service Guide For 230 VAC ModelInstalling Wire Spool And Adjusting Hub Tension Standard Wire Spool 8 Lb Wire Spool 4Threading Welding Wire Cut off wire. Close and latch doorRemove gun nozzle and contact tip Controls Voltage SwitchPower Switch OperationWeld Parameters For 120 VAC Model Weld Parameters For 230 VAC Model Overload Protection Maintenance &TROUBLESHOOTINGRoutine Maintenance Disconnect power before maintainingChanging 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 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 LongPoor Weld Bead Characteristics Good Weld Bead CharacteristicsGun Movement During Welding Possible Causes Corrective Actions Troubleshooting Excessive SpatterTroubleshooting Porosity Troubleshooting Excessive PenetrationTroubleshooting 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-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 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.