Miller RAD-400EF Owner's Manual
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Miller RAD-400EF Owner's Manual

Enhanced feed wire drive
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OM-256907D
2016−08
Processes
Submerged (SAW) Welding
Description
Heavy Duty Wire Feeder For
Automated Welding Applications
Enhanced Feed Wire Drive
RAD-400EF, RAD-400EFT
and RAD-780EF
CE
Motor/Drive Assemblies
For product information,
Owner's Manual translations,
and more, visit
www.MillerWelds.com

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Summary of Contents for Miller RAD-400EF

  • Page 1 OM-256907D 2016−08 Processes Submerged (SAW) Welding Description Heavy Duty Wire Feeder For Automated Welding Applications Enhanced Feed Wire Drive RAD-400EF, RAD-400EFT and RAD-780EF Motor/Drive Assemblies For product information, Owner’s Manual translations, and more, visit 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 4 DECLARATION OF CONFORMITY for European Community (CE marked) products. MILLER Electric Mfg. Co., 1635 Spencer Street, Appleton, WI 54914 U.S.A. declares that the product(s) identified in this declaration conform to the essential requirements and provisions of the stated Council Directive(s) and Standard(s).

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

    SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING som 2015−09 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 D Remove stick electrode from holder or cut off welding wire at FUMES AND GASES can be hazardous. contact tip when not in use. D Wear body protection made from durable, flame−resistant material Welding produces fumes and gases. Breathing (leather, heavy cotton, wool). Body protection includes oil-free these fumes and gases can be hazardous to your clothing such as leather gloves, heavy shirt, cuffless trousers, high health.

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

    1-3. Additional Symbols For Installation, Operation, And Maintenance FIRE OR EXPLOSION hazard. MOVING PARTS can injure. D Do not install or place unit on, over, or near D Keep away from moving parts such as fans. combustible surfaces. D Keep all doors, panels, covers, and guards D Do not install unit near flammables.

  • 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 fre_som_2015−09 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 chauffement ou un incendie. Avant de commencer le soudage, vérifier LES PIÈCES CHAUDES peuvent et s’assurer que l’endroit ne présente pas de danger. provoquer des brûlures. D Déplacer toutes les substances inflammables à une distance de D Ne pas toucher à mains nues les parties chaudes. 10,7 m de l’arc de soudage.

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

    D Tenir les bouteilles éloignées des circuits de soudage ou autres LE BRUIT peut endommager l’ouïe. circuits électriques. D Ne jamais placer une torche de soudage sur une bouteille à gaz. Le bruit des processus et des équipements peut affecter l’ouïe. D Une électrode de soudage ne doit jamais entrer en contact avec D Porter des protections approuvées pour les une bouteille.

  • Page 12: Proposition Californienne 65 Avertissements

    RAYONNEMENT HAUTE LE SOUDAGE À L’ARC risque de FRÉQUENCE (H.F.) risque provoquer des interférences. provoquer des interférences. D L’énergie électromagnétique risque D Le rayonnement haute fréquence (H.F.) peut provoquer des interférences pour l’équipement provoquer des interférences avec les équi- électronique sensible tel que les ordinateurs et l’équipement commandé...

  • Page 13: 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 Do not discard product (where applicable) with general waste. Reuse or recycle Waste Electrical and Electronic Equipment (WEEE) by disposing at a designated collection facility.

  • Page 14: Section 4 − Specifications

    SECTION 4 − SPECIFICATIONS 4-1. Description Motor/drive Assembly This unit is a heavy-duty wire feed- ing motor/drive assembly designed for automated Submerged Arc Welding (SAW) applications. The various model designations in- dicate information about the specif- ic model. The units are offered in ei- ther standard speed or high speed drives.
  • Page 15 C. China EEP Hazardous Substance Information   ‡ China EEP Hazardous Substance Information Ö Hazardous Substance Component Name × (if applicable) PBDE Ö Brass and Copper Parts Coupling Devices Switching Devices Ö Cable and Cable Accessories Batteries SJ/T 11364 This table is prepared in accordance with China SJ/T 11364.

  • Page 16: Overall Dimensions And Mounting Hole Layout

    4-5. Overall Dimensions And Mounting Hole Layout Inches Millimeters Inches Millimeters 2-1/2 3/8-16 Tapped 12-1/2 4 Holes Motor shown without feed roller guard. Notes OM-256907 Page 12...

  • Page 17: Section 5 − Installation

    SECTION 5 − INSTALLATION 5-1. Typical Equipment Location Side View Front View 804 907-A Welding Power Source Weld Control Wire Drive Assembly Side Beam Spool Support Sub-Arc Welding Torch Flux Hopper Notes OM-256907 Page 13...

  • Page 18: Installing Wire Guide And Drive Roll

    5-2. Installing Wire Guide And Drive Roll When changing wire size or type, check drive roll size (see Table 5-1). Wire Pressure Adjustment Screw Loosen screw to decrease tension on spring. Drive Roll Nut Drive Roll Remove drive roll. Drive Roll Carrier Turn nut one click to line up lobes with lobes on drive roll carrier.

  • Page 19: Plug Connections

    5-3. Plug Connections Weld Control Motor Control Cord (Not Supplied) Motor/Drive Assembly To make connections, align key- way, insert plug, and tighten threaded collar. Motor shown without feed roller guard. 257 106-B OM-256907 Page 15...

  • Page 20: Threading And Feeding Welding Wire

    5-4. Threading And Feeding Welding Wire Hold wire tightly to keep it from unraveling. POWER Tools Needed: Weld Control Welding Power Source 6 in. (150 mm) Pull and hold wire; cut off end. Set switches. WIRE ADVANCE Motor shown without feed roller guard.

  • Page 21: Manually Changing Feed Plate Angle

    5-6. Manually Changing Feed Plate Angle Adjusting Knob Turn adjusting knob to change torch angle. Hub Clamp Screw Tighten screw. Feed Plate Screw Loosen screw. The feed plate maximum tilt angle is about 15 degrees from center in both directions. Motor shown without feed...

  • Page 22: Location Of Torch For Tandem Arc Applications

    5-7. Location Of Torch For Tandem Arc Applications Follow instructions below to change torch to right of center or left of center. Assembly As Shipped (With torch right of center) Tools Needed: 1/4, 3/16 in. Motor shown without Torch Right Of Center Torch Left Of Center (With tilt angle adjusting knob on left side) feed roller guard.

  • Page 23: Section 6 − Maintenance And Troubleshooting

    SECTION 6 − MAINTENANCE AND TROUBLESHOOTING 6-1. Routine Maintenance Disconnect power before maintaining. 3 Months Clean Repair Or Replace Replace Unreadable Tighten Cracked Labels Weld Weld Terminals Cable Replace Cord Cracked Hose Cable Parts 6 Months Blow Out Or Clean Vacuum Inside.

  • Page 24: Troubleshooting

    6-3. Troubleshooting Trouble Remedy Electrode wire feeding stops or feeds Readjust hub tension and drive roll pressure. erratically during welding. Change to correct size drive roll. Clean or replace dirty or worn drive roll. Check and replace incorrect size or worn wire guides. Replace contact tip or liner.

  • Page 25: Section 7 − Electrical Diagram

    SECTION 7 − ELECTRICAL DIAGRAM PLG1 GREEN Motor BROWN PLG1 BARE GREEN BLACK TACH WHITE Figure 7-1. Circuit Diagram OM-256907 Page 21...

  • Page 26: Section 8 − Parts List

    SECTION 8 − PARTS LIST Hardware is common and not available unless listed. Mounting plate not available. 44 45 9 10 33 31 Shown For Reference See Table 7-1 For Replacement Drive Rolls 254 617-C Figure 8-1. Wire Drive Assembly Item Dia.
  • Page 27 Item Dia. Part Mkgs. Description Quantity 301 012 Figure 8-1. Wire Drive Assembly (Continued) 301 014 301 013 ... . . 253249 ..Bracket, Motor Hub .
  • Page 28 Notes TM-222 Page 24 Gold Star Series...
  • Page 29 Notes...
  • Page 30 Notes TM-222 Page 2 Gold Star Series...
  • Page 31 Effective January 1, 2016 (Equipment with a serial number preface of MG 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 32 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 2016 Miller Electric Mfg. Co. 2016−01...

This manual is also suitable for:

Rad-400eftRad-780ef

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