Miller Spectrum 701 Manuel Du Propriétaire
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Spectrum 701
OM-182 701N
March 2001
Processes
Air Plasma Cutting
and Gouging
Description
Air Plasma Cutter
R
Table des Matières
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Sommaire des Matières pour Miller Spectrum 701

  • Page 1 OM-182 701N March 2001 Processes Air Plasma Cutting and Gouging Description Air Plasma Cutter Spectrum 701 Visit our website at www.MillerWelds.com...
  • Page 2 They had to be the best you could buy. Today, the people that build and sell Miller products continue the tradition. They’re just as committed to providing equipment and service that meets the high standards of quality and value established in 1929.
  • Page 3: Table Des Matières

    TABLE OF CONTENTS SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING ......1-1.
  • Page 4 Declaration of Conformity For European Community (CE) Products Miller Electric Mfg. Co. Manufacturer’s Name: 1635 W. Spencer Street Manufacturer’s Address: Appleton, WI 54914 USA Spectrum 701 Declares that the product: conforms to the following Directives and Standards: Directives Low Voltage Directive: 73/23/EEC...
  • Page 5: Section 1 - Safety Precautions - Read Before Using

    SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING pom _nd_9/98 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. This group of symbols means Warning! Watch Out! possible ELECTRIC SHOCK, MOVING PARTS, and HOT PARTS hazards.
  • Page 6 If inside, ventilate the area and/or use exhaust at the arc to remove EXPLODING PARTS can injure. cutting fumes and gases. If ventilation is poor, use an approved air-supplied respirator. D On inverter power sources, failed parts can ex- Read the Material Safety Data Sheets (MSDSs) and the manufac- plode or cause other parts to explode when turer’s instruction for metals to be cut, coatings, 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. FIRE OR EXPLOSION hazard. D Do not touch hot parts bare handed. D Do not locate unit on, over, or near combustible surfaces. D Allow cooling period before working on torch. D Do not install unit near flammables.
  • Page 8: Principal Safety Standards

    1-4. Principal Safety Standards Safety in Welding and Cutting, ANSI Standard Z49.1, from American Safe Handling of Compressed Gases in Cylinders, CGA Pamphlet P-1, Welding Society, 550 N.W. LeJeune Rd, Miami FL 33126 from Compressed Gas Association, 1235 Jefferson Davis Highway, Suite 501, Arlington, VA 22202.
  • Page 9: Section 1 - Consignes De Sécurité - Lire Avant Utilisation

    SECTION 1 – CONSIGNES DE SÉCURITÉ – LIRE AVANT UTILISATION pom_nd_fre_9/98 1-1. 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...
  • Page 10 Isoler la pince de masse quand pas mis à la pièce pour éviter le Tableau 1. Protection des yeux pour le coupage au plasma d’arc contact avec tout objet métallique. Il y a DU COURANT CONTINU IMPORTANT dans Intensité de courant en ampères Filtre de teinte (minimum) les convertisseurs après la suppression de l’ali- Moins de 20...
  • Page 11: Dangers Supplémentaires En Relation Avec L'installation, Le Fonctionnement Et La Maintenance

    D Un contact électrique ne doit jamais se produire entre un chalumeau LES BOUTEILLES peuvent exploser de plasma d’arc et une bouteille. si elles sont endommagées. D Ne coupez jamais sur une bouteille pressurisée – une explosion en résulterait. Les bouteilles de gaz contiennent du gaz sous haute D Utilisez uniquement des bouteilles de gaz, des détendeurs, des pression.
  • Page 12: Principales Normes De Sécurité

    1-4. Principales normes de sécurité Safety in Welding and Cutting, norme ANSI Z49.1, de l’American Wel- Safe Handling of Compressed Gases in Cylinders, CGA Pamphlet P-1, ding Society, 550 N.W. Lejeune Rd, Miami FL 33126 de la Compressed Gas Association, 1235 Jefferson Davis Highway, Suite 501, Arlington, VA 22202.
  • Page 13: Section 2 - Definitions

    SECTION 2 – DEFINITIONS 2-1. Warning Label Definitions Warning! Watch Out! There are possible hazards as shown by the symbols. Cutting sparks can cause explosion or fire. 1.1 Keep flammables away from cutting. Do not cut near flammables. 1.2 Cutting sparks can cause fires.
  • Page 14: Manufacturer's Rating Label For Ce Products

    Warning! Watch Out! There are possible hazards as shown by the symbols. Electric shock from wiring can kill. Disconnect input plug or power before working on machine. Read the Owner’s Manual before working on this machine. Consult rating label for input power requirements, and check power available at the job site –...
  • Page 15: Symbols And Definitions

    2-3. Symbols And Definitions Plasma Arc Cutting Adjust Air/Gas Amperes Air Pressure (PAC) Pressure No – Do Not Do Volts Increase Temperature This Protective Earth Three Phase Constant Current Voltage Input (Ground) Percent Direct Current Rated No Load Conventional Load Primary Voltage Line Connection Voltage (Average)
  • Page 16: Section 3 - Installation

    SECTION 3 – INSTALLATION 3-1. Specifications Amperes Input at Plasma Rated Load Output Plasma Rated Output Max OCV Gas Flow/ 50 Hz, Three-Phase Rating Rating Pressure 400 V 50 A @ 100 Volts 7 CGM (170 10.6 Air Or Nitrogen DC, 60% Duty L/min) At 70 265 VDC...
  • Page 17: Selecting A Location

    3-4. Selecting A Location 21 in (533 mm) Dimensions And Weight 168 lb (76 kg) Without Torch 36-3/4 in (934 mm) 24-1/2 in (622 mm) Handle Movement Use handle to roll unit short distances. Lifting Eye Lifting Forks Use lifting eye or lifting forks to move unit.
  • Page 18: Connecting Gas/Air Supply

    3-5. Connecting Gas/Air Supply Unit Gas Fitting (Female 1/4 Use only clean and dry gas/air with 70 to 150 psi NPT) (483 to 1034 kPa) pressure. Quick Connect Gas Fitting Standard Gas Fitting Obtain and install desired fitting. Hose Obtain suitable hose according to installed fitting, and connect to fit- ting.
  • Page 19: Connecting Input Power

    3-7. Connecting Input Power Strain Relief Clamp Route input and grounding conduc- tors through clamp to terminal board. Input And Grounding Conductors Line Disconnect Device Select type and size of overcurrent protection using Section 3-6. Y Always connect grounding conductor first. = GND/PE L1 (U) L2 (V)
  • Page 20: Section 4 - Operation

    SECTION 4 – OPERATION 4-1. Front Panel Controls Ref. 190 676 Pilot Arc Switch Saver position in most applications to length- Use Gas/Air Set area of control range for set- en the life of the torch and its consumables, ting gas/air pressure (see Section 4-2). Use switch to control pilot arc.
  • Page 21: Setting Gas/Air Pressure

    4-2. Setting Gas/Air Pressure Place controls in positions shown to adjust air pressure. Only gas/air cir- cuit is activated when the Power switch is turned On with Output Control in Gas/Air Set position. Pressure Gauge Pressure Adjustment Knob Lift knob and turn to adjust pres- sure.
  • Page 22: Sequence Of Operation

    4-3. Sequence Of Operation Do not clean torch by hitting it against a Inspect shield cup, tip, and electrode for hard surface. Hitting hard surfaces can wear before cutting or whenever cutting damage torch parts and stop proper speed has been significantly reduced (see operation.
  • Page 23: Section 5 - Maintenance & Troubleshooting

    SECTION 5 – MAINTENANCE & TROUBLESHOOTING 5-1. Routine Maintenance Y Disconnect power Maintain more often before maintaining. during severe conditions. Each Use Check Torch Check Gas/Air Tip, Electrode, Pressure And Shield Cup Every Week Check Shield Cup Shutdown System 3 Months Service Air Replace Filter/Regulator...
  • Page 24: Trouble Lights

    5-2. Trouble Lights Pressure Light Lights if gas/air pressure is below 40 PSI (276 kPa). Turn power Off, and check for prop- er gas/air pressure (see Section 4-2). Difficulty establishing pilot arc may indicate Cup Light consumables need to be cleaned or replaced. Lights if shield cup is loose.
  • Page 25: Checking/Replacing Torch Retaining Cup, Tip, And Electrode

    5-4. Checking/Replacing Torch Retaining Cup, Tip, And Electrode Overtightening will strip threads. Do not overtighten electrode, tip, and retaining cup during assembly. Do not cross-thread parts causing stripping. Use care dur- ing torch assembly and parts replacement. Inspect shield cup, tip, and electrode for wear before cutting or whenever cutting speed has been significantly reduced.
  • Page 26: Troubleshooting

    5-5. Troubleshooting Trouble Remedy No pilot arc; difficulty in establishing an Clean or replace worn consumables as necessary (see Section 5-4). arc. Check for damaged torch or torch cable (see torch Owner’s Manual). Have Factory Authorized Service Agent check power switch S1, control relay CR1, CR5 and CR6, rectifi- er SR1, safety control board PC1, power control boards PC2 and PC3, inductor L1, resistor R1, and check gas air system for leaks.
  • Page 27: Section 6 - Electrical Diagram

    SECTION 6 – ELECTRICAL DIAGRAM 194 149 Figure 6-1. Circuit Diagram For Power Source OM-182 701 Page 23...
  • Page 28: Section 7 - Parts List

    SECTION 7 – PARTS LIST Hardware is common and not available unless listed. 801 650-F Figure 7-1. Main Assembly OM-182 701 Page 24...
  • Page 29 Item Dia. Part Mkgs. Description Quantity Figure 7-1. Main Assembly ....178 158 PANEL, side LH ...........
  • Page 30 Item Dia. Part Mkgs. Description Quantity Figure 7-1. Main Assembly (Continued) ... . . 192 790 ..CIRCUIT CARD ASSEMBLY, safety control ......
  • Page 31 Effective January 1, 2000 (Equipment with a serial number preface of “LA” or newer) This limited warranty supersedes all previous Miller warranties and is exclusive with no other Warranty Questions? guarantees or warranties expressed or implied. Call LIMITED WARRANTY – Subject to the terms and conditions APT, ZIPCUT &...
  • Page 32: For Service

    Distributor Address City State For Service Call 1-800-4-A-Miller or see our website at www.MillerWelds.com to locate a DISTRIBUTOR or SERVICE AGENCY near you. Always provide Model Name and Serial/Style Number. Contact your Distributor for: Welding Supplies and Consumables Options and Accessories...

Table des Matières