Miller Spectrum 300 Owner's Manual
  1. Manuals
  2. Brands
  3. Miller Manuals
  4. Welding System
  5. Spectrum 300
  6. Owner's manual
Miller Spectrum 300 Owner's Manual

Miller Spectrum 300 Owner's Manual

Air plasma cutter
Hide thumbs Also See for Spectrum 300:
Table of Contents

Advertisement

Quick Links

Visit our website at
www.Miller-
Welds.com
Spectrum 300
OM-2210
176 876H
October 1998
Processes
Air Plasma Cutting
Description
Air Plasma Cutter
R

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Spectrum 300 and is the answer not in the manual?

Questions and answers

Related Manuals for Miller Spectrum 300

Summary of Contents for Miller Spectrum 300

  • Page 1 OM-2210 176 876H October 1998 Processes Air Plasma Cutting Description Air Plasma Cutter Spectrum 300 Visit our website at www.Miller- Welds.com...
  • Page 2 This Owner’s Manual is designed to help you get the most out of your do − every power source from Miller is backed by Miller products. Please take time to read the Safety precautions. They will the most hassle-free war- help you protect yourself against potential hazards on the worksite. We’ve ranty in the business.

  • 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 _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. Marks a special safety message. This group of symbols means Warning! Watch Out! possible ELECTRIC SHOCK, MOVING PARTS, and HOT PARTS hazards.

  • Page 6: Additional Symbols For Installation, Operation, And Maintenance

    Work in a confined space only if it is well ventilated, or while FLYING SPARKS can cause injury. wearing an air-supplied respirator. Fumes from cutting and oxygen depletion can alter air quality causing injury or death. Be Sparks and hot metal blow out from the cutting arc. sure the breathing air is safe.

  • Page 7: Principal Safety Standards

    FLYING METAL can injure eyes. STATIC (ESD) can damage PC boards. Put on grounded wrist strap BEFORE Wear safety glasses with side shields or face handling boards or parts. shield. Use proper static-proof bags and boxes to store, move, or ship PC boards. MAGNETIC FIELDS can affect pacemakers H.F.

  • Page 8: Emf Information

    1-5. EMF Information Considerations About Welding Or Cutting And The Ef- 1. Keep cables close together by twisting or taping them. fects Of Low Frequency Electric And Magnetic Fields 2. Arrange cables to one side and away from the operator. Welding or cutting current, as it flows through the welding or cutting 3.

  • Page 9: Section 1 − Consignes De Sécurité Concernant Le Coupage À L'arc Au Plasma

    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. Identifie un message de sécurité...
  • Page 10 N’approchez pas le tube du chalumeau et l’arc pilote lorsque la gâchette Ne mettez pas votre tête au−dessus des vapeurs. Ne respirez pas ces va- est enfoncée. peurs. Le câble de masse doit être pincé correctement sur la pièce à couper, métal 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. Ne pas toucher des parties chaudes à mains nues. Ne pas placer l’appareil sur, au-dessus ou à proximi- té...
  • Page 12 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 puissance crée des causera des champs électromagnétiques.

  • Page 13: Section 2 − Introduction

    SECTION 2 − INTRODUCTION 2-1. Specifications For Units Connected to a 20 Ampere, 115 Volt Circuit or a 10 Ampere, 230 Volt Circuit Amperes Input at Rated Rated Output, Cutting Plasma 60 Hz, Single-Phase 115 V 115 V 230 V 230 V Plasma Plasma...

  • Page 14: Duty Cycle And Overheating

    2-3. Duty Cycle And Overheating Duty Cycle is percentage of 10 For Units Connected to a 20 Ampere, 115 Volt Circuit minutes that unit can cut at rated or a 10 Ampere, 230 Volt Circuit: load without overheating. 35% Duty Cycle At 21 Amperes, 88 volts dc If unit overheats, thermostat(s) opens, output stops, Temperature trouble light goes On, and cooling...

  • Page 15: Section 3 − Installation

    SECTION 3 − INSTALLATION 3-1. 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 Do not move or operate unit where it could tip. Use handle to lift unit.

  • Page 16: Connecting Work Clamp And Gas/Air Supply

    3-2. 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 17: Setting Input Voltage Selector Switch And Connecting Input Power

    3-3. 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 115V 230V position.

  • Page 18: 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 ade- Power Switch quate power (see Section 3-3). Use control to set cutting output. Setting Gas/Air Pressure Trouble Lights (See Section 5-2) The yellow zone is for use with primary cir-...

  • Page 19: Sequence Of Operation

    4-2. 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 op- speed has been significantly reduced (see eration.

  • Page 20: Section 5 − Maintenance & Troubleshooting

    SECTION 5 − MAINTENANCE & TROUBLESHOOTING 5-1. Routine Maintenance Maintain more often Disconnect power during severe conditions. before maintaining. 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 Air Filter/...

  • Page 21: 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 proper gas/air pressure (see Sec- tion 4-1).

  • Page 22: 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. Remove top and screws holding front panel in place. Without dis- connecting any plugs, move front panel to allow access.

  • Page 23: 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 proper installation of torch swirl ring (see torch Owner’s Manual). 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 24: Section 6 − Electrical Diagram

    SECTION 6 − ELECTRICAL DIAGRAM SC-189 005 Figure 6-1. Circuit Diagram For Power Source OM-2210 Page 20...
  • Page 25 Notes OM-2210 Page 21...

  • Page 26: Section 7 − Parts List

    SECTION 7 − PARTS LIST ST-801 412-D Figure 7-1. Main Assembly OM-2210 Page 22...
  • Page 27 Item Dia. Part Mkgs. Description Quantity Figure 7-1. Main Assembly ... . . 183 161 COVER, top ............
  • Page 28 Item Dia. Part Mkgs. Description Quantity Figure 7-1. Main Assembly (Continued) ......FRONT PANEL, (consisting of) ........
  • Page 29 Notes OM-2210 Page 25...
  • Page 30 Notes OM-2210 Page 26...
  • Page 31 Effective January 1, 1998 (Equipment with a serial number preface of “KJ” or newer) This limited warranty supersedes all previous Miller warranties and is exclusive with no other guarantees or warranties expressed or implied. LIMITED WARRANTY − Subject to the terms and conditions APT, ZIPCUT &...
  • Page 32 Contact the Delivering Carrier for: 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 1998 Miller Electric Mfg. Co. 9/98...

Table of Contents