TABLE OF CONTENTS

SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1-1. Symbol Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1-2. Plasma Arc Cutting Hazards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1-3. Additional Symbols For Installation, Operation, And Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1-4. California Proposition 65 Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1-5. Principal Safety Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1-6. EMF Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2-1.

Signification des symboles

5

2-2. Dangers liés au coupage à l’arc au plasma

5

2-3. Dangers supplémentaires en relation avec l’installation, le fonctionnement

 

 

et la maintenance

7

2-4.

Principales normes de sécurité

8

2-5.

Information sur les champs électromagnétiques

8

SECTION 3 − DEFINITIONS

9

3-1.

Symbols And Definitions For Nameplate And Serial Number/Rating Label

9

SECTION 4 − INSTALLATION

10

4-1. Specifications For Power Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

4-2. Specifications For Torch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 4-3. Duty Cycle And Overheating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 4-4. Torch Dimensions And Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

4-5. Selecting A Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

4-6. Connecting Work Clamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

4-7. Electrical Service Guide For 120 VAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

4-8. Extension Cord Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

4-9. Connecting Input Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 4-10. Generator Or Inverter Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 4-11. Cable Management Strap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 4-12. Electrode Wrench . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

SECTION 5 − OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

5-1. Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

5-2. Recommended Cutting Speed For Material Thickness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 5-3. Plasma Cutting System Practices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 5-4. Sequence Of Cutting Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

5-5. Sequence Of Cutting Using Stand-off Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

5-6. Sequence Of Piercing Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

SECTION 6 − MAINTENANCE & TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

6-1.

Routine Maintenance

20

6-2. Trouble Lights And Checking Shield Cup Shutdown System

21

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

22

6-4. Compressor Filter Cleaning And Replacement

23

6-5.

Torch And Work Cable Connections

24

6-6.

Troubleshooting Power Source

25

6-7.

Troubleshooting Torch

26

SECTION 7 − ELECTRICAL DIAGRAM

27

SECTION 8 − PARTS LIST

28

WARRANTY

 

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Hobart Welding Products 250ci, HP-25 TORCH manual Table of Contents

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.