Miller Spectrum 300 Owner's Manual
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Miller Spectrum 300 Owner's Manual

Miller Spectrum 300 Owner's Manual

Air plasma cutting and gouging
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Spectrum 300
OM-2210
176 876N
April 2000
Processes
Air Plasma Cutting
and Gouging
Description
Air Plasma Cutter
R
And Non-CE Models

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  • Page 1 OM-2210 176 876N April 2000 Processes Air Plasma Cutting and Gouging Description Air Plasma Cutter Spectrum 300 And Non-CE Models Visit our website at www.MillerWelds.com...
  • Page 2 – every power source from This Owner’s Manual is designed to help you get the most out of your Miller is backed by the most Miller products. Please take time to read the Safety precautions. They will hassle-free warranty in the business.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING ......1-1. Symbol Usage .
  • Page 4 Declaration of Conformity for European Community (CE) Products NOTE This information is provided for units with CE certification (see rating label on unit). Miller Electric Mfg. Co. Manufacturer’s Name: 1635 W. Spencer Street Manufacturer’s Address: Appleton, WI 54914 USA SPECTRUM 300...

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

    SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING pom _nd_5/97 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: Noise Can Damage Hearing

    Work in a confined space only if it is well ventilated, or while wearing FLYING SPARKS can cause injury. an air-supplied respirator. Fumes from cutting and oxygen deple- tion can alter air quality causing injury or death. Be sure the 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. 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_5/97 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 D N’approchez pas le tube du chalumeau et l’arc pilote lorsque la gâchette est D Ne mettez pas votre tête au–dessus des vapeurs. Ne respirez pas ces va- enfoncée. peurs. D Le câble de masse doit être pincé correctement sur la pièce à couper, métal D Si vous êtes à...

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

    1-3. Dangers supplémentaires en relation avec l’installation, le fonctionnement et la maintenance DES PIECES CHAUDES peuvent pro- Risque D’INCENDIE OU voquer des brûlures graves. D’EXPLOSION. D Ne pas toucher des parties chaudes à mains nues. D Ne pas placer l’appareil sur, au-dessus ou à proximité D Laisser refroidir avant d’intervenir sur la torche.

  • Page 12: Information Sur Les Champs Électromagnétiques

    1-5. Information sur les champs électromagnétiques Données sur le soudage électrique et sur les effets, pour l’organisme, Garder les câbles ensembles en les torsadant ou en les des champs magnétiques basse fréquence attachant avec du ruban adhésif. Mettre tous les câbles du côté opposé de l’opérateur. Le courant de soudage ou de coupage passant dans les câbles de puis- sance crée des causera des champs électromagnétiques.

  • 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. Incorrect voltage other than specified may damage unit (see Section 3-8). Read Owner’s Manual. Look at input power receptacle and plug, and be sure they match. Move switch to match input voltage.

  • Page 15: Section 3 - Installation

    SECTION 3 – INSTALLATION 3-1. Specifications For Units Connected to a 20 Ampere, 115 Volt Circuit or a 10 Ampere, 230 Volt Circuit Amperes Input at Rated Rated Output, Plasma Cutting 60 Hz, Single-Phase 115 V 230 V Plasma Gas Flow/ Capacity 115 V 230 V...

  • Page 16: Duty Cycle And Overheating For Non-Ce Model

    3-4. Duty Cycle And Overheating For Non-CE Model For Units Connected to a 20 Ampere, 115 Volt Circuit Duty Cycle is percentage of 10 min- or a 10 Ampere, 230 Volt Circuit: utes that unit can cut at rated load without overheating.

  • Page 17: Selecting A Location

    3-6. Selecting A Location 6-3/4 in (171 mm) Dimensions And Weight 42 lb (19.1 kg) 17 in (432 mm) 18 in (457 mm) Movement Lifting Handle Y Do not move or operate unit Use handle to lift unit. where it could tip. Hand Cart Use cart or similar device to move unit.

  • Page 18: Connecting Work Clamp And Gas/Air Supply

    3-7. Connecting Work Clamp And Gas/Air Supply Work Clamp Workpiece Connect work clamp to a clean, paint-free location on workpiece, as close to cutting area as possible. Use only clean, dry air with 70 to 150 psi (483 to 1034 kPa) pressure.

  • Page 19: Setting Input Voltage Selector Switch And Connecting Input Power

    3-8. Setting Input Voltage Selector Switch And Connecting Input Power Check input voltage available at site. Input Voltage Selector Switch Switch is accessible through slot in rear panel. Changeover Switch Label Look at label to find correct switch position. 115V 230V Move switch to match input voltage.

  • Page 20: Section 4 - Operation

    SECTION 4 – OPERATION 4-1. Controls Setting Gas/Air Pressure Set To 60 PSI (414 kPa) Requires 70-150 PSI (483-1034 kPa) Supply Output Control put and/or the cut time or find more adequate Power Switch power (see Section 3-8). Use control to set cutting output. Setting Gas/Air Pressure Trouble Lights (See Section 5-2) The yellow zone is for use on 20 A or greater...

  • Page 21: Cutting Speed

    4-2. Cutting Speed The cutting speed curves show the recommended maximum cutting speed capabilities of the power source and torch for mild steel of various thickness. Cut at speeds below the lines Recommended production cutting speed vs. material thickness is shown to avoid poor cuts and torch approximately 10 imp at 5/16 in mild steel thickness at max setting.

  • 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 opera- speed has been significantly reduced (see tion.

  • 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 Check Torch Tip, Gas/Air Electrode, Pressure And Shield Every Week Check Shield Cup Shutdown System 3 Months Replace Service Damaged Or...

  • Page 24: Overload Protection: Trouble Lights & Checking Shield Cup Shutdown System

    5-2. Overload Protection: Trouble Lights & Checking Shield Cup Shutdown System If certain problems occur, the Ready light goes off, a trouble light comes on, and output stops. 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 4-1).

  • Page 25: Torch And Work Cable Connections

    5-3. Torch And Work Cable Connections If torch or work cable needs to be removed or replaced, proceed as follows: Turn power Off, and disconnect in- put power plug from receptacle. Re- move top and screws holding front panel in place. Without disconnect- ing any plugs, move front panel to allow access.

  • Page 26: Troubleshooting

    5-4. Troubleshooting Trouble Remedy No pilot arc; difficulty in establishing an Clean or replace worn consumables as necessary (see torch Owner’s Manual). arc. Check for damaged torch or torch cable (see torch Owner’s Manual). Have Factory Authorized Service Agent check control relay CR6, power control board PC1, safety con- trol board PC2, gas valve GS1, rectifier SR1, and check gas/air system for leaks.

  • Page 27: Section 6 - Electrical Diagram

    SECTION 6 – ELECTRICAL DIAGRAM SC-189 005-A Figure 6-1. Circuit Diagram For Power Source OM-2210 Page 23...

  • Page 28: Section 7 - Parts List

    SECTION 7 – PARTS LIST Hardware is common and not available unless listed. ST-801 412-H Figure 7-1. Main Assembly OM-2210 Page 24...
  • Page 29 Item Dia. Part Mkgs. Description Quantity Figure 7-1. Main Assembly ....183 161 COVER, top ........... . .
  • Page 30 Item Dia. Part Mkgs. Description Quantity Figure 7-1. Main Assembly (Continued) ....+181 717 FRONT PANEL, (consisting of) ........
  • 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: Options And Accessories

    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...

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