Miller Spectrum 375 X-TREME Owner's Manual
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Miller Spectrum 375 X-TREME Owner's Manual

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Spectrum 375 X-TREME
And XT30 Torch
OM-253 555C
Processes
Description
Air Plasma Cutter
R
File: Plasma Cutters
2013−09
Air Plasma Cutting
and Gouging

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Summary of Contents for Miller Spectrum 375 X-TREME

  • Page 1 OM-253 555C 2013−09 Processes Air Plasma Cutting and Gouging Description Air Plasma Cutter Spectrum 375 X-TREME And XT30 Torch File: Plasma Cutters Visit our website at www.MillerWelds.com...
  • Page 2 We know you don’t have time to do it any other way. That’s why when Niels Miller first started building arc welders in 1929, he made sure his products offered long-lasting value and superior quality.

  • 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_2011-10 Protect yourself and others from injury — read, follow, and save these important safety precautions and operating instructions. 1-1. Symbol Usage DANGER! − Indicates a hazardous situation which, if Indicates special instructions. not avoided, will result in death or serious injury.

  • Page 6: Electric Shock Can Kill

    FUMES AND GASES can be hazardous ELECTRIC SHOCK can kill. SIGNIFICANT DC VOLTAGE exists in Cutting produces fumes and gases. Breathing inverter power sources AFTER the re- these fumes and gases can be hazardous to your health. moval of input power. Keep your head out of the fumes.

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

    1-3. Additional Symbols For Installation, Operation, And Maintenance HOT PARTS can burn. FALLING EQUIPMENT can injure. D Do not touch hot parts bare handed. D Use lifting eye to lift unit only, NOT running gear, gas cylinders, or any other accessories. D Allow cooling period before working on equipment.

  • Page 8: California Proposition 65 Warnings

    1-4. California Proposition 65 Warnings Welding or cutting equipment produces fumes or gases This product contains chemicals, including lead, known to which contain chemicals known to the State of California to the state of California to cause cancer, birth defects, or other cause birth defects and, in some cases, cancer.

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

    SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION pom_2011−10fre Pour écarter les risques de blessure pour vous−même et pour autrui — lire, appliquer et ranger en lieu sûr ces consignes relatives aux précautions de sécurité et au mode opératoire. 2-1.
  • Page 10 D Coupez l’alimentation d’entrée avant d’installer l’appareil ou d’ef- ÉTINCELLES PROJETÉES fectuer l’entretien. Verrouillez ou étiquetez la sortie d’alimentation peuvent provoquer des blessures. selon la norme OSHA 29 CFR 1910.147 (reportez−vous aux Prin- cipales normes de sécurité). Le coupage plasma produit des étincelles et projec- tions de métal à...

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

    D Si vous êtes à l’intérieur au moment du coupage, ventilez la pièce D Ne pointez pas le chalumeau en direction de votre corps ni de la ou ayez recours à une ventilation aspirante installée près de l’arc pièce à couper lorsque vous appuyez sur la gâchette − l’arc pilote pour évacuer les vapeurs et les gaz.
  • Page 12 Risque D’INCENDIE OU LIRE LES INSTRUCTIONS. D’EXPLOSION. D Lire et appliquer les instructions sur les étiquettes et le Mode d’emploi avant l’instal- D Ne pas placer l’appareil sur, au-dessus ou à lation, l’utilisation ou l’entretien de l’appareil. proximité de surfaces infllammables. Lire les informations de sécurité...

  • Page 13: Proposition Californienne 65 Avertissements

    2-4. Proposition californienne 65 Avertissements Les équipements de soudage et de coupage produisent des Ce produit contient des éléments chimiques, dont le plomb, fumées et des gaz qui contiennent des produits chimiques reconnus par l’État de Californie pour leur caractère dont l’État de Californie reconnaît qu’ils provoquent des mal- cancérogène ainsi que provoquant des malformations formations congénitales et, dans certains cas, des cancers.

  • Page 14: Section 3 − Definitions

    SECTION 3 − DEFINITIONS 3-1. Additional Safety Symbols And Definitions Some symbols are found only on CE products. Warning! Watch Out! There are possible hazards as shown by the symbols. Safe1 2012−05 When power is applied failed parts can explode or cause other parts to explode. Safe26 2012−05 3-2.

  • Page 15: Section 4 − Specifications

    A complete Parts List is available at www.MillerWelds.com SECTION 4 − SPECIFICATIONS 4-1. Serial Number And Rating Label Location The serial number and rating information for this product is located on the bottom. Use rating label to determine input power requirements and/or rated output.

  • Page 16: Torch Dimensions And Weight

    Use only compressed air which is free from dirt, oil, and water. Ensure that the connections are properly assigned and tighened. For torch replacement, see Miller torch manual Part No. OM-1593 Ensure correct air pressure (flow pressure) and airflow (volume) are set. Insufficient airflow can lead to the torch overheating.

  • Page 17: Duty Cycle And Overheating

    A complete Parts List is available at www.MillerWelds.com 4-4. Duty Cycle And Overheating Duty Cycle is percentage of 10 20% duty cycle minutes that unit can cut at rated load without overheating. If unit overheats, thermostat(s) opens, output stops, Temperature trouble light goes On, and cooling fan runs.

  • Page 18: Section 5 − Installation

    A complete Parts List is available at www.MillerWelds.com SECTION 5 − INSTALLATION 5-1. Selecting A Location Line Disconnect Device Locate unit near correct input power supply. Locate unit at least 18 in. (460 mm) Do not move or operate away from a wall or other unit where it could tip.

  • Page 19: Connecting Work Clamp

    A complete Parts List is available at www.MillerWelds.com 5-3. Connecting Work Clamp Work Clamp Workpiece Connect work clamp to a clean, paint-free location on workpiece, as close to cutting area as possible. Ref. 803 640-A 5-4. Electrical Service Guide Elec Serv 2011−08 Failure to follow these electrical service guide recommendations could create an electric shock or fire hazard.

  • Page 20: Multi−Voltage Plug (Mvp) Connection

    A complete Parts List is available at www.MillerWelds.com 5-6. Multi−Voltage Plug (MVP) Connection Selecting Plug Do not cut off power cord connec- tor and rewire. The power cord connector and plugs will work with standard NEMA receptacles. Modifying power cord, connector, and plugs will void product war- ranty.

  • Page 21: Connecting 120 Volt Input Power

    A complete Parts List is available at www.MillerWelds.com 5-7. Connecting 120 Volt Input Power Installation must meet all National and Local Codes − have only qualified persons make this installation. Special installation may be required where gasoline or volatile liquids are present −...

  • Page 22: Connecting 1-Phase Input Power For 240 Vac

    A complete Parts List is available at www.MillerWelds.com 5-8. Connecting 1-Phase Input Power For 240 VAC =GND/PE Earth Ground 240 VAC, 1 Tools Needed: Input4 2012−05 − 803 766-B / Ref. 802 443-A /Ref. 251 808-A OM-253 555 Page 18...
  • Page 23 A complete Parts List is available at www.MillerWelds.com 5-8. Connecting 1-Phase Input Power For 240 VAC (Continued) Installation must meet all National and See rating label on unit and check input volt- Connect input conductors L1 and L2 to dis- Local Codes −...

  • Page 24: Section 6 − Operation

    A complete Parts List is available at www.MillerWelds.com SECTION 6 − OPERATION 6-1. Controls 253 014-A / Ref. 251 808-A Output Control protection on the input power circuit fre- Trouble Lights (See Section 7-7) quently opens, either reduce the cutting out- Use control to set cutting output.

  • Page 25: Cutting Speed

    A complete Parts List is available at www.MillerWelds.com 6-2. Cutting Speed Recommended Cut Speeds At 30 Amperes Output Material Thickness Recommended Cut Speeds* Inches mm/min 12ga (0.11) 2,662 1/8 (0.13) 2,499 Mild Steel 3/16 (0.19) 1,605 1/4 (0.25) 3/8 (0.38) 1/2 (0.50) 12.7 5/8 (0.63)

  • Page 26: Trigger Safety Lock

    A complete Parts List is available at www.MillerWelds.com 6-3. Trigger Safety Lock Trigger Trigger Locked Trigger Unlocked Ref. 253554-A 6-4. Plasma Cutting System Practices The pilot arc starts immediately when trigger is pressed. Always connect work clamp to a clean, DO NOT start pilot arc without cutting or paint-free location on workpiece, as close to gouging as this shortens the service life...

  • Page 27: Sequence Of Cutting Operation

    A complete Parts List is available at www.MillerWelds.com 6-5. Sequence Of Cutting Operation  Connect work clamp to a clean, paint-free For standard (shielded) cutting, place drag shield on edge location on workpiece, as close to cutting of metal. For extended (non-shielded) cutting, use 1/8 in. area as possible.

  • Page 28: Sequence Of Piercing Operation

    A complete Parts List is available at www.MillerWelds.com 6-6. Sequence Of Piercing Operation The pilot arc starts immediately when trigger is pressed.  Connect work clamp to a clean, paint-free Hold torch at approximately 45 location on workpiece, as close to cutting to the workpiece.

  • Page 29: Section 7 − Maintenance & Troubleshooting

    A complete Parts List is available at www.MillerWelds.com SECTION 7 − MAINTENANCE & TROUBLESHOOTING 7-1. Routine Maintenance Disconnect power Maintain more often before maintaining. during severe conditions. n = Check Z = Change ~ = Clean l = Replace Reference * To be done by Factory Authorized Service Agent Each Section 5-2,...

  • Page 30: Wrapper Removal

    A complete Parts List is available at www.MillerWelds.com 7-3. Wrapper Removal Turn power, disconnect input power plug from receptacle or turn off and lockout/tagout line discon- nect device before working on unit. Significant DC voltage can remain on capacitors after unit Tools Needed: is Off.

  • Page 31: Checking/Replacing Retaining Cup, Tip, And Electrode

    A complete Parts List is available at www.MillerWelds.com 7-6. Checking/Replacing Retaining Cup, Tip, And Electrode Overtightening will strip threads. Do not overtighten retaining cup during assembly. Do not cross-thread parts causing stripping. Use care during torch assembly and parts replacement. Inspect shield cup, tip, and electrode for wear before cutting or whenever cutting speed has been signifi- cantly reduced.

  • Page 32: Status/Trouble Lights

    A complete Parts List is available at www.MillerWelds.com 7-7. Status/Trouble Lights Difficulty establishing a pilot arc may indicate consumables need to be cleaned or replaced. Light Condition Status/Possible Cause Power Input power is okay. When Power light is on, system is normal if these lights Pressure/Cup/T emp are off.

  • Page 33: Troubleshooting Power Source

    A complete Parts List is available at www.MillerWelds.com 7-8. Troubleshooting Power Source Trouble Remedy No pilot arc; difficulty in establishing an Clean or replace worn consumables as necessary (see Section 7-6). arc. Check for damaged torch or torch cable. No cutting output; Power light off; status Place Power switch in On position.

  • Page 34: Section 8 − Electrical Diagram

    SECTION 8 − ELECTRICAL DIAGRAM Figure 8-1. Circuit Diagram OM-253 555 Page 30...
  • Page 35 265 469-A OM-253 555 Page 31...

  • Page 36: Section 9 − Parts List

    SECTION 9 − PARTS LIST 9-1. Recommended Spare Parts Item Dia. Part Mkgs. Description Quantity Recommended Spare Parts ....225970 Plug Kit, Adapter (115V/15A) (230V/50A) (Including) .
  • Page 37 Item Part Description 249 970 Torch Handle Kit (1) 249 971 Torch Trigger ....Microswitch (1) 249 957 Leads, 12 ft (1) 252 938 Torch Body Kit (1) 249 972 Torch Trigger Assembly w/Spring (1)
  • Page 38 Notes Work like a Pro! Pros weld and cut safely. Read the safety rules at the beginning of this manual.
  • Page 39 Effective January 1, 2013 (Equipment with a serial number preface of MD or newer) This limited warranty supersedes all previous Miller warranties and is exclusive with no other guarantees or warranties expressed or implied. Warranty Questions? LIMITED WARRANTY − Subject to the terms and conditions below, 6 Months —...
  • Page 40 Contact the Delivering Carrier to: 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.  ORIGINAL INSTRUCTIONS − PRINTED IN USA 2013 Miller Electric Mfg. Co. 2013−01...

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