Hobart AirForce 250A Owner's Manual
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Hobart AirForce 250A Owner's Manual

Air plasma cutter and ice-12c torch
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AirForce 250A
And ICE-12C Torch
OM-928
198 842H
2007−01
Processes
Air Plasma Cutting
and Gouging
Description
Air Plasma Cutter

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Summary of Contents for Hobart AirForce 250A

  • Page 1 AirForce 250A And ICE-12C Torch OM-928 198 842H 2007−01 Processes Air Plasma Cutting and Gouging Description Air Plasma Cutter...
  • 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. Symbol Usage ............... . 1-2.

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

    SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING 1-1. Symbol Usage Means Warning! Watch Out! There are possible hazards with this procedure! The possible hazards are shown in the adjoining symbols. Y Marks a special safety message. Means “Note”; not safety related. 1-2.
  • Page 6 EXPLODING PARTS can injure. D On inverter power sources, failed parts can ex- plode or cause other parts to explode when power is applied. Always wear a face shield and long sleeves when servicing inverters. FLYING SPARKS can cause injury. Sparks and hot metal blow out from the cutting arc.

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

    1-3. Additional Symbols For Installation, Operation, And Maintenance HOT PARTS can cause severe burns. D Do not touch hot parts bare handed. D Allow cooling period before working on torch. MOVING PARTS can cause injury. D Keep away from moving parts such as fans. D Keep all doors, panels, covers, and guards closed and securely in place.

  • Page 8: Principal Safety Standards

    1-5. Principal Safety Standards Safety in Welding and Cutting, ANSI Standard Z49.1, from American Welding Society, 550 N.W. LeJeune Rd, Miami FL 33126 Safety and Health Standards, OSHA 29 CFR 1910, from Superinten- dent of Documents, U.S. Government Printing Office, Washington, D.C. 20402.

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

    SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION 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. Y Identifie un message de sécurité particulier. Signifie NOTA ;...
  • Page 10 Isoler la pince de masse quand pas mis à la pièce pour éviter le contact avec tout objet métallique. Il y a DU COURANT CONTINU IMPORTANT dans les convertisseurs après la suppression de l’ali- mentation électrique. D Arrêter les convertisseurs, débrancher le courant électrique, et dé- charger les condensateurs d’alimentation selon les instructions indiquées dans la partie entretien avant de toucher les pièces.

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

    LES BOUTEILLES peuvent exploser si elles sont endommagées. Les bouteilles de gaz contiennent du gaz sous haute pression. Si une bouteille est endommagée, elle peut exploser. Puisque les bouteilles de gaz font habituellement partie d’un processus de travail des métaux, assurez−vous de les manipuler correctement.

  • Page 12: Principales Normes De Sécurité

    2-4. Principales normes de sécurité Safety in Welding and Cutting, norme ANSI Z49.1, de l’American Wel- ding Society, 550 N.W. Lejeune Rd, Miami FL 33126 Safety and Health Sandards, OSHA 29 CFR 1910, du Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402.

  • Page 13: Section 3 − Definitions

    SECTION 3 − DEFINITIONS 3-1. Symbols And Definitions For Nameplate And Serial Number/Rating Label Amperes Volts Protective Earth (Ground) Rated No Load Voltage (Average) Rated Maximum 1max Supply Current Degree Of Protection Maximum Effective 1eff Supply Current Plasma Arc Cutting (PAC) Increase Single Phase...

  • Page 14: Section 4 − Installation

    SECTION 4 − INSTALLATION 4-1. Specifications For Power Source Primary Primary Primary Service Volts Amperes (Recommended) 20.32 (0.25*) *While idling **10% High line condition 4-2. Specifications For Torch Air-cooled torch for plasma arc cutting (PAC) 35% duty cycle Gas flow/pressure: 1 SCFM (28.3 L/min) at 50 PSI (345 kPa) Safety interlock devices shut down power source Safety trigger guard Cutting capacity: see Section 4-1...

  • Page 15: Torch Dimensions And Weight

    4-4. Torch Dimensions And Weight 1 in 3.0 lb (1.4 kg) 4-5. Selecting A Location Dimensions And Weight 42 lb (19.1 kg) Movement Location And Airflow Serial Number/Rating Label located on rear panel of plasma cutter; use label to determine input power for unit. 10 in (254 mm) 8-3/8 in...

  • Page 16: Connecting Work Clamp

    4-6. Connecting Work Clamp 4-7. Connecting Input Power OM-928 Page 12 Work Clamp Workpiece Connect work clamp to a clean, paint-free location on workpiece, as close to cutting area as possible. 802 463-A Check input voltage available at site. Grounded Receptacle A 120 volt, 20 ampere individual branch circuit...

  • Page 17: Section 5 − Operation

    SECTION 5 − OPERATION 5-1. Controls Power Switch Power Light Use light to tell if unit is energized and ready to operate. Light goes off if input power is not with specified range (see trouble light infor- mation). 5-2. Trigger Safety Lock Trigger Locked POWER TEMP...

  • Page 18: Sequence Of Operation

    5-3. Sequence Of Operation EXAMPLE Of Cutting Operation The pilot arc starts immediately when trigger is pressed. For shielded cutting, place drag shield on edge of metal. For non-shielded cutting, use 1/8 in (3.2 mm) standoff distance (dragging tip will reduce tip life). Adjust torch speed so sparks go thru metal and out bottom of cut.

  • Page 19: Section 6 − Maintenance & Troubleshooting

    SECTION 6 − MAINTENANCE & TROUBLESHOOTING 6-1. Routine Maintenance Replace Cracked Parts Check Compressor Filter − Clean With A Damp Cloth Or Replace If Necessary (Compressor Model Only) Y Disconnect power before maintaining. Each Use Check Torch Tip, Electrode, And Shield Every Week Check Shield Cup...

  • Page 20: Trouble Light And Checking Shield Cup Shutdown System

    6-2. Trouble Light And Checking Shield Cup Shutdown System Checking Torch Shield Cup Shutdown System Power source Power switch must be reset whenever cup shutdown system is activated. Always turn Off power source when changing or checking consumables. OM-928 Page 16 TEMP INPUT VOLTAGE If certain problems occur, the...

  • Page 21: Torch And Work Cable Connections

    6-3. Torch And Work Cable Connections Tools Needed: 5/8 in If torch or work cable needs to be removed or replaced, proceed as follows: Turn power Off, and disconnect input power plug from receptacle. Remove wrapper from unit. Torch Connections Remove existing torch cable from unit.

  • Page 22: Checking/Replacing Retaining Cup, Tip, And Electrode

    6-4. Checking/Replacing Retaining Cup, Tip, And Electrode Inspect 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.

  • Page 23: Troubleshooting Power Source

    6-5. Troubleshooting Power Source Is input power Connect unit to proper input connected to voltage. (see Section 4-7). correct line voltage? Power Place Power switch in the switch in the On position. (see Section On position? 5-1). Check Power switch S1, Is the cooling relay CR2, and thermistor fan running?

  • Page 24: Troubleshooting Torch

    6-6. Troubleshooting Torch Does arc go while cutting? Does arc go out while cutting? Do sparks come out of top of cut; or cut is not clean? Is Trouble light On; unit has no cutting output? Go to Section 6-5. OM-928 Page 20 Torch travel speed too slow;...

  • Page 25: Section 7 − Electrical Diagram

    SECTION 7 − ELECTRICAL DIAGRAM 213 899-A Figure 7-1. Circuit Diagram OM-928 Page 21...

  • Page 26: Section 8 − Parts List

    SECTION 8 − PARTS LIST Hardware is common and not available unless listed. Ref. 802 591-E Figure 8-1. Main Assembly OM-928 Page 22...
  • Page 27 Item Dia. Part Mkgs....212 524 ....+195 621 .
  • Page 28 and CE markings only apply when the torch is used with shielded parts: retaining cup (197 567) and drag shield (196 929). Drag Retaining Shield 196929 197567 Retaining 196928 (For best performance, use 1/8” stand-off with this part) Figure 8-3. Consumable Parts For ICE-12C To maintain the factory original performance of your equipment, use only Manufacturer’s Suggested Replacement Parts.
  • Page 29 Notes...
  • Page 30 Notes...
  • Page 31 5/3/1 WARRANTY applies to all Handler 125, 135 and 175 models, Airforce 250, 250A, 375, 400 Warranty Questions? and 625 models, and Champion 4500 and 10,000 models, Beta-Mig 1800, Champ 1435, 2060, 8500 Call models, Ironman 210 and 250 models, Stickmate models, Tigmate models, and HSW-15 and...

  • Page 32: Owner's Record

    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. 2004 Hobart Welding Products. 1/04 Hobart Welding Products An Illinois Tool Works Company 600 West Main Street Troy, OH 45373 USA...

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Ice-12c torch

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