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OM-228 305D 2007−06
Processes
Air Plasma Cutting
and Gouging
®
Description
Air Plasma Cutter
Auto Arc
Quick Cut 4500
And Ice-27C Torch
For Warranty Claims And Technical Support, Contact:
Milweld Inc., National Distributor
P.O. Box 338, Hortonville, WI 54944-0338
Tel 920-779-0916 Fax 920-779-0924
File: Plasma Cutters
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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 Installatio
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SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING pom _2007−04 Protect yourself and others from injury — read and follow these precautions. 1-1. Symbol Usage DANGER! − Indicates a hazardous situation which, if Indicates special instructions. not avoided, will result in death or serious injury. The possible hazards are shown in the adjoining symbols or explained in the text. Indicates a hazardous situation which, if not avoided, could result in death or serious injury. The possible This group
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FUMES AND GASES can be hazardous. ELECTRIC SHOCK can kill. SIGNIFICANT DC VOLTAGE exists in Cutting produces fumes and gases. Breathing these fumes and gases can be hazardous to inverter power sources AFTER the re- your health. moval of input power. Keep your head out of the fumes. Do not breathe the fumes. If inside, ventilate the area and/or use local forced ventilation at the Turn Off unit, disconnect input power, check voltage on input ca- arc to remove cutting fumes and gases. pacitor
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1-3. Additional Symbols For Installation, Operation, And Maintenance HOT PARTS can cause severe burns. FALLING UNIT can cause injury. Do not touch hot parts bare handed. Use lifting eye to lift unit only, NOT running gear, gas cylinders, or any other accessories. Allow cooling period before working on torch. Use equipment of adequate capacity to lift unit. To handle hot parts, use proper tools and/or wear heavy, insulated welding gloves and clothing to prevent burns. If using lift fo
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1-4. California Proposition 65 Warnings For Gasoline Engines: Welding or cutting equipment produces fumes or gases which contain chemicals known to the State of California to Engine exhaust contains chemicals known to the State of cause birth defects and, in some cases, cancer. (California California to cause cancer, birth defects, or other reproduc- Health & Safety Code Section 25249.5 et seq.) tive harm. For Diesel Engines: Battery posts, terminals and related accessories contain lead and lead
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SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION pom2007−04fre Se protéger et protéger les autres contre le risque de blessure — lire et respecter ces consignes. 2-1. Signification des symboles DANGER! − Indique une situation dangereuse qui si on Indique des instructions spécifiques. l’évite pas peut donner la mort ou des blessures graves. Les dangers possibles sont montrés par les symboles joints ou sont expliqués dans le texte. Indique une situation dangereuse qui si on l’évite p
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Assurez−vous que le fil de terre du cordon d’alimentation est cor- Ayez recours à des protège−tympans ou à un serre−tête ignifuges rectement relié à la borne de terre dans la boîte de coupure ou que afin d’éviter que les étincelles n’entrent dans vos oreilles. la fiche du cordon est branchée à une prise correctement mise à la LES RAYONS D’ARC peuvent entraî- terre − vous devez toujours vérifier la mise à la terre. ner des brûlures aux yeux et à la peau. Avant d’effectuer les connexions d’a
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Ne coupez pas dans un endroit près d’opérations de décapage, de LES BOUTEILLES peuvent exploser nettoyage ou de vaporisation. La chaleur et les rayons d’arc peu- si elles sont endommagées. vent réagir avec les vapeurs et former des gaz hautement toxiques et irritants. Les bouteilles de gaz contiennent du gaz sous haute pression. Si une bouteille est endommagée, elle Ne coupez pas des métaux enrobés tels que des métaux galvani- peut exploser. Puisque les bouteilles de gaz font sés, contenant
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Danger D’EXPLOSION LE RAYONNEMENT HAUTE FRÉ- D’HYDROGÈNE. QUENCE (H.F.) risque de provoquer des interférences. Lors du coupage d’aluminium partiellement ou totalement immergé dans l’eau, de l’hydrogène Le Rayonnement haute frequence (H.F.) peut libre peut s’accumuler sous la pièce. provoquer des interférences avec les équipe- ments de radio−navigation et de communica- Consultez votre ingénieur de coupage et les instructions de la tion, les services de sécurité et les ordinateurs. table de
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2-5. Principales normes de sécurité Safety in Welding, Cutting, and Allied Processes, ANSI Standard Z49.1, L4W 5NS (téléphone : 800-463-6727 ou à Toronto 416-747-4044, site de Global Engineering Documents (téléphone : 1-877-413-5184, site In- Internet : www.csa-international.org). ternet : www.global.ihs.com). Safe Practice For Occupational And Educational Eye And Face Protec- Recommended Practices for Plasma Arc Cutting, American Welding tion, ANSI Standard Z87.1, de American National Standards
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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 A No − Do Not Do Volts Increase Temperature V This Protective Earth Single Phase Constant Current Voltage Input (Ground) On Off Percent Direct Current Rated No Load Conventional Load Primary Voltage Line Connection U Voltage (Average) U Voltage U 0 1 2 Single Phase Rated Maximum Rated Welding Static Frequency 1 f1 Duty C
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SECTION 4 − INSTALLATION 4-1. Specifications If the unit is operated from a 30* ampere, 115 volt circuit or a 15** ampere, 230 volt circuit, a different input power plug must be installed on the power cord. See Section 4-9 for instructions. *A 30 ampere branch circuit is recommended for maximum performance. Performance on a 20 ampere branch service may be limited due to the circuit breaker or line fuse. Reducing unit output amperage will minimize circuit breaker tripping or blowing a line fuse
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4-4. Torch Dimensions And Weight 8-3/8 in 1 in (213 mm) (25 mm) 1-3/8 in 3.0 lb (1.4 kg) (35 mm) Ref. 802 877 4-5. Selecting A Location 8-1/2 in (216 mm) Dimensions And Weight 12-5/16 in* (313 mm) 49 lb (22.2 kg) not including torch *Add 13/16 in (21 mm) for handle. 16 in (406 mm) 1 Movement 1 Lifting Handle Use handle to lift unit. 2 Hand Cart 2 Use cart or similar device to move unit. 3 120 VAC Receptacle To connect unit to 230 VAC input power, a customer supplied plug is Location And Airflow
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4-6. Connecting Gas/Air Supply Use only clean, dry air with 90 to 120 psi (621 to 827 kPa) pressure. 1 Gas/Air Inlet Opening 2 Hose 3 Teflon Tape Obtain hose with 1/4 NPT right- hand thread fitting. Wrap threads Tools Needed: with teflon tape (optional) or apply 5/8, 1-1/8 in pipe sealant, and install fitting in opening. Route hose to gas/air supply. 4 Air Filter/Regulator Adjust gas/air pressure according 1 to Section 5-1. 3 From Gas/Air 2 Supply 4 802 787-A / Ref. 801 319-C / Ref. 804 486-A
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4-7. Connecting Work Clamp 1 Work Clamp 1 2 Workpiece Connect work clamp to a clean, paint-free location on workpiece, as close to cutting area as possible. 2 802 463-A 4-8. Connecting Input Power Check input voltage available at site. 1 Changeover Switch Switch is accessible through slot in rear panel. 2 Changeover Switch Label 1 Look at label to find correct switch position. ! Be sure input power connection meets all applicable national, regional, and local electrical codes. 3 Grounded 120 VAC
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4-9. Installing Alternative Plug 1 Supplied 115 VAC Plug This procedure is necessary if the unit is to be connected to a 230 VAC receptacle, or to a 115 VAC receptacle that requires a plug that is different from the supplied plug. Cut cord close to plug. 2 Alternative PLug (230 VAC See Section 4-8 for instructions on setting changeover switch for proper voltage. Plug Shown) 2 3 Load 1 (Brass) Terminal 4 Load 2 (Brass) Terminal 5 Ground (Green) Terminal 3 6 Outer Shell 6 7 Cord Grip 7 1 Strip
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SECTION 5 − OPERATION 5-1. Controls 423 5 ON OFF 1 PRESSURE 60 PSI 6 20 24 16 27 Set To 60 PSI (414 kPa) Setting Gas/Air Pressure 1 5 20 20 Requires 24 24 16 6 16 90-120 PSI (621-827 kPa) Supply 27 27 1 Output Control put and/or the cut time or find more adequate Place Output control in Gas/Air position and power (see Section 4-1). turn on gas/air supply. Lift knob and turn to Use control to set cutting output. adjust pressure. Push knob down to lock in 2 Trouble Lights (See Section 6-2) Place c
