Miller W-400 Owner's Manual
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Miller W-400 Owner's Manual

Miller W-400 Owner's Manual

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OM-225 271C
2015−03
Processes
TIG (GTAW) Welding
Description
Hand-Held Water-Cooled TIG
(GTAW) Torch
W-400 (WP-18SC)
File: TIG (GTAW)
Visit our website at
www.MillerWelds.com

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  • Page 1 OM-225 271C 2015−03 Processes TIG (GTAW) Welding Description Hand-Held Water-Cooled TIG (GTAW) Torch W-400 (WP-18SC) File: TIG (GTAW) Visit our website at www.MillerWelds.com...
  • Page 2 From Miller to You Thank you and congratulations on choosing Miller. Now you can get the job done and get it done right. 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 FOR GTAW TORCHES − READ BEFORE USING ....1-1. Symbol Usage ............... . 1-2.

  • Page 5: Section 1 −Safety Precautions For Gtaw Torches − Read Before Using

    SECTION 1 −SAFETY PRECAUTIONS FOR GTAW TORCHES − READ BEFORE USING SR6 (TIG) 2013-09 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.

  • Page 6: Proposition 65 Warnings

    1-3. Proposition 65 Warnings Welding or cutting equipment produces fumes or gases This product contains or produces a chemical known to the which contain chemicals known to the State of California to State of California to cause cancer or birth defects (or other cause birth defects and, in some cases, cancer.

  • Page 7: Section 2 − Consignes De Sécurité − Lire Avant Utilisation

    SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION SR6(TIG)_2013−09fre 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 8: Proposition Californienne 65 Avertissements

    LES PIÈCES CHAUDES peuvent LIRE LES INSTRUCTIONS. provoquer des brûlures. D Lire et appliquer les instructions sur les D Laisser refroidir la torche avant de le toucher. étiquettes et Mode d’emploi avant D Ne pas toucher d’objets métalliques chauds. l’installation, l’utilisation ou l’entretien de D Abriter les objets métalliques contre tout l’appareil.

  • Page 9: Informations Relatives Aux Cem

    2-5. Informations relatives aux CEM Le courant électrique qui traverse tout conducteur génère des champs Ne pas courber et ne pas entourer les câbles autour de votre corps. électromagnétiques (CEM) à certains endroits. Le courant issu d’un soudage à l’arc (et de procédés connexes, y compris le soudage par Maintenir la tête et le torse aussi loin que possible du matériel du points, le gougeage, le découpage plasma et les opérations de circuit de soudage.
  • Page 10 OM-225 271 Page 6...

  • Page 11: Section 3 − Specifications

    SECTION 3 − SPECIFICATIONS 3-1. Specifications Model W-400 (WP-18SC) Ampere Rating 400 Amps W/Argon Gas @ 100% Duty Cycle DCEN, ACHF; 280 Amps W/Argon Gas @100 Duty Cycle ACHF Cooling Method Liquid Cooled Cooling Require- 1.8 L/minute (1.9 qt/minute or .48 gal/minute)

  • Page 12: Section 4 − Installation

    SECTION 4 − INSTALLATION 4-1. Required Torch Parts And Torch Assembly Collet Body Collet Backcap Includes o-ring. Torch Body Handle Water Hose Gas Hose Power Cable 10 Power Cable Adapter 11 International Style Adapter 12 Water Hose For International Style Adapter Assembling Torch Body Keep connections tight.

  • Page 13: Connecting Torch

    4-3. Connecting Torch A. Connecting Torch To A PipeWorx With A PipeWorx Cooler Turn Off welding power source power before installing torch.. Welding Power Source Gas Hose If applicable, install high-frequency unit. TIG Block (Customer Supplied) Coolant In Hose 237 416 (Short Red Hose Supplied With Cooler) TIG (−) Weld Cable/Coolant In Coolant Out Hose...
  • Page 14 B. Connecting Torch To A Dynastyt 350 TIGRunnert Turn Off welding power source power before installing torch.. Gas Hose With 5/8-18 Right-Hand Fittings (Customer Supplied) Connections: Regulator/Flowmeter Gas Cylinder Coolant System Electrode Weld Output Terminal Connect TIG torch to electrode weld output terminal.

  • Page 15: Section 5 − Maintenance & Troubleshooting

    SECTION 5 − MAINTENANCE & TROUBLESHOOTING 5-1. Routine Maintenance Y Disconnect torch before maintaining. n = Check Z = Change ~ = Clean l = Replace * To be done by Factory Authorized Service Agent Daily n Nozzle For Cracks − l If Necessary n Check Tungsten Preparation (See Section 7) Weekly n Collet Body Threads −...
  • Page 16 Trouble Remedy Excessive tungsten electrode con- Select proper size and type tungsten. Properly prepare tungsten according to Section 7. sumption. Check polarity setting on welding power source (see welding power source Owner’s manual). Check for proper gas flow rate. Check manufacture’s recommendations. If torch is water cooled, check torch and cables for water leaks.

  • Page 17: Section 6 − Selecting And Preparing A Tungsten

    SECTION 6 − SELECTING AND PREPARING A TUNGSTEN FOR DC OR AC WELDING WITH INVERTER MACHINES gtaw_Inverter_2013-10 Whenever possible and practical, use DC weld output instead of AC weld output. 6-1. Selecting Tungsten Electrode ( Wear Clean Gloves To Prevent Contamination Of Tungsten Not all tungsten electrode manufacturers use the same colors to identify tungsten type.

  • Page 18: Section 7 − Guidelines For Tig Welding (Gtaw)

    SECTION 7 − GUIDELINES FOR TIG WELDING (GTAW) 7-1. Positioning The Torch Grinding the tungsten electrode produces dust and flying sparks which can cause injury and start fires. Use local exhaust (forced ventilation) at the grinder or wear an approved respirator. Read MSDS for safety information.
  • Page 19 7-2. Torch Movement During Welding Tungsten Without Filler Rod ° Welding direction Form pool Tilt torch Move torch to front of pool. Repeat process. Tungsten With Filler Rod ° ° Welding direction Form pool Tilt torch Add filler metal Remove rod Move torch to front of pool.

  • Page 20: Section 8 − Parts List

    SECTION 8 − PARTS LIST WC0221B Figure 8-1. Complete Torch Assembly Quantity Model Item Stock Model W-400 Description (WP-18SC) Figure 8-1. Complete Torch Assembly ♦18GL04 ..Collet Body, 0.040 in. (1.0 mm) .
  • Page 21 Quantity Model Item Part W-400 Description (WP-18SC) Figure 8-1. Complete Torch Assembly (continued) ♦54N18 ... . Nozzle, Alumina GL #4 (1/4 in.) ........
  • Page 22 Notes TM-216 869 Page 18 Dynasty 350/700, Maxstar 350/700...
  • Page 23 Effective January 1, 2015 (Equipment with a serial number preface of MF 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 24 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 2015 Miller Electric Mfg. Co. 2015−01...

This manual is also suitable for:

Wp-18sc

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