Hobart Welding Products HP-25 TORCH, 250ci Checking/Replacing Retaining Cup, Tip, And Electrode

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.A complete Parts List is available at www.HobartWelders.com

6-3. Checking/Replacing Retaining Cup, Tip, And Electrode

Y Overtightening will strip threads. Do not overtighten retaining cup during assembly. Do not cross-thread parts causing stripping. Use care during torch assembly and parts replacement.

YInspect shield cup, tip, and electrode for wear before cutting or whenever cutting speed has been significantly reduced. Do not operate torch without a tip or electrode in place. Be sure to use genuine replacement parts.

A good practice is to replace both the tip and electrode at the same time.

YTurn Off power source before checking torch parts.

Make sure this area is clean of any debris.

Make sure swirl ring is clean of any debris and no holes are obstructed.

2

6

5

4

3

New

Electrode Wrench

New

*Pit Depth

1

Worn

7*1/32 in (1 mm) — 1/16 in (2 mm) maximum pit depth depending on acceptable cut quality.

Worn

Replace tip if opening is

.Lightly tighten electrode using electrode wrench (15-20 in lb (1.7-2.3 NVm).

deformed or 50% oversized.

Turn Off power source.

1 Shield Cup

Remove shield cup. Check cup for cracks, and replace if necessary.

2 O-Ring

Check O-ring for cracks or worn spots and replace, if necessary.

3 Tip

4 Opening

Remove tip. Check tip, and replace if open- ing is deformed or 50% oversize. If inside of tip is not clean and bright, clean with steel wool. Be sure to remove any pieces of steel wool afterwards.

5 Electrode

Check electrode. If center has a pit more than a 1/16 in (2 mm) deep, remove and re- place electrode.

Ref. 804 851-A

6 Swirl Ring

Remove swirl ring. Check ring, and replace if side holes are plugged.

Carefully reassemble parts in reverse order.

7 Stand-off Guide

Placing the stand-off guide on the end of the torch provides an optional method of maintaining a 1/16 in (1.6 mm) gap between tip and workpiece.

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Contents Description OM-230 455CProcesses File Plasma CuttersFrom Hobart to You Table of Contents Page Plasma Arc Cutting Hazards Symbol UsageMarks a special safety message Cutting can cause fire or explosionARC Rays can burn eyes and skin Exploding Parts can injureFlying Sparks can cause injury Noise can damage hearingCalifornia Proposition 65 Warnings About Pacemakers Principal Safety StandardsEMF Information UNE Décharge Électrique peut entraîner la mort Signification des symbolesLE Coupage présente un risque de feu ou d’explosion Identifie un message de sécurité particulierLES Fumées ET LES GAZ peuvent être dangereux Risque de blessure en casLE Bruit peut endommager l’ouïe LE Plasma D’ARC peut entraîner des blessuresLA Chute DE L’APPAREIL peut blesser DES Pieces Chaudes peuvent pro- voquer des brûlures gravesDES Organes Mobiles peuvent provoquer des blessures Risque D’INCENDIE OULE Coupage à L’ARC peut causer des interférence Principales normes de sécuritéInformation sur les champs électromagnétiques Consignes relatives aux stimulateurs cardiaquesI1eff − DefinitionsI1max Specifications For Torch − InstallationSpecifications For Power Source Duty Cycle And OverheatingSelecting a Location Torch Dimensions And WeightDimensions And Weight Movement, Location And AirflowExtension Cord Data Connecting Work ClampElectrical Service Guide For 120 VAC Check input voltage available at site Grounded Receptacle Connecting Input PowerGenerator Or Inverter Requirements Plug From UnitCable Management Strap Electrode WrenchRecommended Cutting Speed For Material Thickness − OperationControls Plasma Cutting System Practices Maintain approximately a 90 angle toPilot arc starts immediately When trigger is pressedSequence Of Cutting Operation Example Of Cutting OperationSplit section to bottom 16 in 1.6 mm Sequence Of Cutting Using Stand-off GuideExample Of Cutting Using Stand-off Guide Sequence Of Piercing Operation − Maintenance & Troubleshooting Routine MaintenanceTrouble Lights And Checking Shield Cup Shutdown System Checking Torch Shield Cup Shutdown SystemElectrode Wrench Turn Off power source before checking torch partsChecking/Replacing Retaining Cup, Tip, And Electrode Compressor Filter Cleaning And Replacement Disconnect input powerWork Cable Connections Torch And Work Cable ConnectionsTorch Connections Check Control board PC1 Troubleshooting Power SourceOnly by authorized Service Station Troubleshooting Torch − Electrical Diagram Circuit DiagramRecommended Spare Parts − Parts ListRecommended Spare Parts Material Thickness Gauge Page Assistance ServiceSupport Contact your Distributor for Hobart Welding Products

250ci, HP-25 TORCH specifications

The Hobart Welding Products HP-25 Torch is a robust and versatile tool designed to meet the needs of both professional welders and hobbyists alike. With a powerful 250 cubic inch (ci) capacity, this torch offers impressive performance that accommodates various welding applications, making it a reliable choice for both heavy-duty and light-duty tasks.

One of the main features of the HP-25 is its ergonomic design, which enhances user comfort during prolonged use. The torch is lightweight, reducing operator fatigue, while the grip is designed for easy handling, allowing for greater control and precision in welding. The HP-25 is equipped with a durable, high-quality brass construction that provides excellent resistance to corrosion and wear, ensuring longevity and reliability even in demanding environments.

Technologically, the HP-25 Torch features an advanced cooling system that prevents overheating, allowing for extended use without the risk of damage. This feature is particularly beneficial for welders working on large projects that require continuous operation. Additionally, the torch includes a smooth trigger mechanism for effortless operation, reducing the chances of hand strain and improving overall productivity.

The HP-25 is compatible with a range of fuel gases, including propane, acetylene, and natural gas, making it suitable for various welding processes, from cutting to brazing. This versatility adds to its appeal, as users can adapt the torch to fit specific project requirements without needing multiple tools.

Another notable characteristic of the HP-25 is its adjustable flame control valve, which allows operators to customize their welding flame according to the material being welded and the desired outcome. Whether working on thin metals or thicker materials, the precision of the flame control ensures optimal fusion and minimal distortion.

In summary, the Hobart Welding Products HP-25 Torch is a powerful and flexible welding tool that combines user-friendly design with reliable performance. Its durable construction, advanced cooling system, and compatibility with different fuel gases make it an excellent option for anyone involved in welding tasks, offering the efficiency and effectiveness required in modern metalworking projects. Whether for professional use or personal hobbies, the HP-25 stands out as a significant asset in any welder's toolkit.
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