Hobart Welding Products AirForce 250ci Owner's Manual
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Hobart Welding Products AirForce 250ci Owner's Manual

Welding system & torch
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OM-230 455C
2007-07
Processes
Air Plasma Cutting
Description
Air Plasma Cutter
AirForce 250ci
And HP-25 Torch
File: Plasma Cutters

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Summary of Contents for Hobart Welding Products AirForce 250ci

  • Page 1 OM-230 455C 2007-07 Processes Air Plasma Cutting Description Air Plasma Cutter AirForce 250ci And HP-25 Torch File: Plasma Cutters...
  • Page 2 From Hobart to You Thank you and congratulations on choosing Hobart. Now you can get the job done and get it done right. We know you don’t have time to do it any other way. This Owner’s Manual is designed to help you get the most out of your Hobart products.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING ........1-1.

  • Page 5: Section 1 − Safety Precautions - Read Before Using

    SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING pom _4/05 Y Warning: Protect yourself and others from injury — read and follow these precautions. 1-1. Symbol Usage Means Warning! Watch Out! There are possible hazards with this procedure! The possible hazards are shown in the adjoining symbols.
  • Page 6 If ventilation is poor, wear an approved air-supplied respirator. EXPLODING PARTS can injure. Read and understand the Material Safety Data Sheets (MSDSs) and the manufacturer’s instruction for metals to be cut, coatings, D On inverter power sources, failed parts can ex- and cleaners.

  • Page 7: Additional Symbols For Installation, Operation, And Maintenance

    1-3. Additional Symbols For Installation, Operation, And Maintenance HOT PARTS can cause severe burns. FALLING UNIT can cause injury. D Do not touch hot parts bare handed. D Use lifting eye to lift unit only, NOT running gear, gas cylinders, or any other accessories. D Allow cooling period before working on torch.

  • Page 8: Principal Safety Standards

    1-5. Principal Safety Standards Safety in Welding, Cutting, and Allied Processes, ANSI Standard Z49.1, Code for Safety in Welding and Cutting, CSA Standard W117.2, from from Global Engineering Documents (phone: 1-877-413-5184, website: Canadian Standards Association, Standards Sales, 178 Rexdale Bou- www.global.ihs.com).

  • Page 9: Section 2 − Consignes De Sécurité − Lire Avant Utilisation

    SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION pom_fre 4/05 Y Avertissement : se protéger et protéger les autres contre le risque de blessure — lire et respecter ces consignes. 2-1. Signification des symboles Signifie Mise en garde ! Soyez vigilant ! Cette procédure présente des risques de danger ! Ceux-ci sont identifiés par des symboles adjacents aux directives.
  • Page 10 N’approchez pas le tube du chalumeau et l’arc pilote lorsque la gâ- LE BRUIT peut endommager l’ouïe. chette est enfoncée. Le câble de masse doit être pincé correctement sur la pièce à cou- Certaines applications de coupage produisent un bruit per, métal contre métal (et non de telle sorte qu’il puisse se constant, ce qui peut endommager l’ouïe si le niveau détacher), ou sur la table de travail le plus près possible de la ligne...

  • Page 11: Dangers Supplémentaires En Relation Avec L'installation, Le Fonctionnement Et La Maintenance

    D Les bouteilles ne doivent pas être près de la zone de coupage ni de D Détournez votre visage du détendeur−régulateur lorsque vous ouvrez tout autre circuit électrique. la soupape de la bouteille. D Un contact électrique ne doit jamais se produire entre un chalumeau D Le couvercle du détendeur doit toujours être en place, sauf lorsque de plasma d’arc et une bouteille.

  • Page 12: Principales Normes De Sécurité

    D Veiller à couper à une distance de 100 mètres de tout équipement LE COUPAGE Ã L’ARC peut causer électronique sensible. des interférence. D S’assurer que la source de coupage est correctement branchée et mise à la terre. D L’énergie électromagnétique peut gêner le fonction- D Si l’interférence persiste, l’utilisateur doit prendre des mesures sup- nement d’appareils électroniques comme des ordi- plémentaires comme écarter la machine, utiliser des câbles blindés...

  • Page 13: Section 3 − Definitions

    A complete Parts List is available at www.HobartWelders.com SECTION 3 − DEFINITIONS 3-1. Symbols And Definitions For Nameplate And Serial Number/Rating Label Plasma Arc Cutting Adjust Air/Gas Low Air Pressure Amperes (PAC) Pressure Light No − Do Not Do Volts Increase Temperature This...

  • Page 14: Section 4 − Installation

    A complete Parts List is available at www.HobartWelders.com SECTION 4 − INSTALLATION 4-1. Specifications For Power Source Individual Mild Steel Branch Primary Rated Max** Primary Primary Duty Service Secondary Secondary Cutting Power Volts Amperes Cycle (Recommended) Volts (DC) Amperes Capacity Factor (DC) 1/8 in (3.2 mm)

  • Page 15: Torch Dimensions And Weight

    A complete Parts List is available at www.HobartWelders.com 4-4. Torch Dimensions And Weight 8-3/8 in (213 mm) 1 in 1-3/8 in (35 mm) 3.0 lb (1.4 kg) Ref. 801 397-A 4-5. Selecting A Location 8-1/4 in (210 mm) Dimensions And Weight 10-1/4 in 26 lb (11.8 kg) (260 mm)

  • Page 16: Connecting Work Clamp

    A complete Parts List is available at www.HobartWelders.com 4-6. Connecting Work Clamp Do not connect work clamp to the portion of the workpiece that will fall when cut. Work Clamp Workpiece Connect work clamp to a clean, paint-free location on workpiece, as close to cutting area as possible.

  • Page 17: Connecting Input Power

    A complete Parts List is available at www.HobartWelders.com 4-9. Connecting Input Power Check input voltage available at site. Grounded Receptacle A 120 volt, 20 ampere individual branch circuit protected time-delay fuses or circuit breaker 120 V 20 A is required (see Section 4-7). Receptacle Plug From Unit Connect plug to receptacle.

  • Page 18: Cable Management Strap

    A complete Parts List is available at www.HobartWelders.com 4-11. Cable Management Strap Cable Management Strap Coil cables together and secure to unit using the cable management strap. 804 885-A 4-12. Electrode Wrench Cable Management Strap Electrode Wrench The electrode wrench is fastened to the cable management strap.

  • Page 19: Section 5 − Operation

    A complete Parts List is available at www.HobartWelders.com SECTION 5 − OPERATION 5-1. Controls 230 442-B Power Switch Cup Light Temp Light The cooling fan will run for a few seconds after Light comes on if cup is removed from torch. Light comes on if unit overheats.

  • Page 20: Plasma Cutting System Practices

    A complete Parts List is available at www.HobartWelders.com 5-3. Plasma Cutting System Practices Y The pilot arc starts immediately when trigger is pressed. Always connect work clamp to a clean, DO NOT start pilot arc without cutting as this paint-free location on workpiece, as close to shortens the life of the tip and electrode.

  • Page 21: Sequence Of Cutting Operation

    A complete Parts List is available at www.HobartWelders.com 5-4. Sequence Of Cutting Operation Y The pilot arc starts immediately when trigger is pressed. Moisture from the compressor will form in the air line and at the torch. It will be normal to sometimes see EXAMPLE Of Cutting Operation moisture come out the end of the torch.

  • Page 22: Sequence Of Cutting Using Stand-Off Guide

    A complete Parts List is available at www.HobartWelders.com 5-5. Sequence Of Cutting Using Stand-off Guide Y The pilot arc starts immediately when trigger is pressed. Moisture from the compressor will form in the air line EXAMPLE Of Cutting Using Stand-off Guide and at the torch.

  • Page 23: Sequence Of Piercing Operation

    A complete Parts List is available at www.HobartWelders.com 5-6. Sequence Of Piercing Operation Y The pilot arc starts immediately when trigger is pressed. Connect work clamp to a clean, paint-free location on workpiece, as close to cutting area as possible. Hold torch at an angle to the workpiece.

  • Page 24: Section 6 − Maintenance & Troubleshooting

    A complete Parts List is available at www.HobartWelders.com SECTION 6 − MAINTENANCE & TROUBLESHOOTING 6-1. Routine Maintenance Y Disconnect power Maintain more often before maintaining. during severe conditions. n = Check Z = Change ~ = Clean l = Replace Reference * To be done by Factory Authorized Service Agent Each...

  • Page 25: Trouble Lights And Checking Shield Cup Shutdown System

    A complete Parts List is available at www.HobartWelders.com 6-2. Trouble Lights And Checking Shield Cup Shutdown System Power Light Light is steady if input power is okay. Light flashes if input power is less than 92 volts ac or greater than 136 volts ac.

  • Page 26: Checking/Replacing Retaining Cup, Tip, And Electrode

    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. Y Inspect shield cup, tip, and electrode for wear before cutting or whenever cutting speed has been significantly reduced.

  • Page 27: Compressor Filter Cleaning And Replacement

    A complete Parts List is available at www.HobartWelders.com 6-4. Compressor Filter Cleaning And Replacement Y Turn Off power source, and disconnect input power. Power Source Compressor Filter Remove wrapper from unit. Unscrew filter from compressor. Clean debris from filter surface or replace filter, if necessary.

  • Page 28: Torch And Work Cable Connections

    A complete Parts List is available at www.HobartWelders.com 6-5. Torch And Work Cable Connections Y Turn Off power source, and disconnect input power. If torch or work cable needs to be removed or replaced, proceed as follows: Power Source Remove wrapper from unit. Torch Connections Remove existing torch cable from unit.

  • Page 29: Troubleshooting Power Source

    A complete Parts List is available at www.HobartWelders.com 6-6. Troubleshooting Power Source The compressor current lim- it was exceeded either Is input power Connect unit to proper input above or below its operating connected to voltage. (see Section 4-9). Are Power and range (see Section 6-2).

  • Page 30: Troubleshooting Torch

    A complete Parts List is available at www.HobartWelders.com 6-7. Troubleshooting Torch Torch travel speed too slow; increase travel speed (see Sections 5-3, 5-4, and 5-6). Does arc go Clean replace torch Go to Section 6-6. consumables as necessary while cutting? (see Section 6-3).

  • Page 31: Section 7 − Electrical Diagram

    SECTION 7 − ELECTRICAL DIAGRAM 230 449-B Figure 7-1. Circuit Diagram OM-230 455 Page 27...

  • Page 32: Section 8 − Parts List

    SECTION 8 − PARTS LIST 8-1. Recommended Spare Parts Item Dia. Part Mkgs. Description Quantity Recommended Spare Parts ....232 647 TORCH, HP-25 16.4ft (5 m) hand held (replacement) .
  • Page 33 Notes MATERIAL THICKNESS GAUGE...
  • Page 34 Notes...
  • Page 35 Effective January 1, 2007 5/3/1 WARRANTY applies to all Hobart welding equipment, plasma cutters and spot welders with a Warranty Questions? serial number preface LH or newer. Call This limited warranty supersedes all previous Hobart warranties and is exclusive with 1-800-332-3281 no other guarantees or warranties expressed or implied.
  • Page 36 Welding Process Handbooks Call 1-877-Hobart1 Contact the Delivering Carrier to: File a claim for loss or damage during shipment. For assistance in filing or settling claims, contact your distributor and/or equipment manufacturer’s Transportation Department. PRINTED IN USA 2007 Hobart Welding Products. 2007−01...

This manual is also suitable for:

Hp-25

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