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OM-227 674B
2006−08
Processes
Automatic Welding
Description
Wire Feeder
AA40GBU
File: Advanced Manufacturing Systems
Visit our website at
www.MillerWelds.com

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Table of Contents
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Summary of Contents for Miller Electric AA40GBU

  • Page 1 OM-227 674B 2006−08 Processes Automatic Welding Description Wire Feeder AA40GBU File: Advanced Manufacturing Systems Visit our website at www.MillerWelds.com...
  • Page 2 ISO 9001:2000 Quality System Standard. particular model are also provided. Miller Electric manufactures a full line of welders and welding related equipment. For information on other quality Miller products, contact your local Miller distributor to receive the latest full line catalog or individual specification sheets.
  • Page 3: Table Of Contents

    TABLE OF CONTENTS SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING 1-1. Symbol Usage ............... . 1-2.
  • Page 5: Section 1 − Safety Precautions - Read Before Using

    DC constant voltage (wire) welder, 2) a DC manual (stick) welder, or 3) an AC welder with reduced open-circuit volt- age. In most situations, use of a DC, constant voltage wire welder is recommended. And, do not work alone! D Disconnect input power or stop engine before installing or servicing this equipment.
  • Page 6 D Do not use welder to thaw frozen pipes. D Remove stick electrode from holder or cut off welding wire at contact tip when not in use.
  • Page 7: Additional Symbols For Installation, Operation, And Maintenance

    1-3. Additional Symbols For Installation, Operation, And Maintenance FIRE OR EXPLOSION hazard. D Do not install or place unit on, over, or near combustible surfaces. D Do not install unit near flammables. D Do not overload building wiring − be sure power supply system is properly sized, rated, and protected to handle this unit.
  • Page 8: Principal Safety Standards

    1-5. Principal Safety Standards Safety in Welding, Cutting, and Allied Processes, ANSI Standard Z49.1, from Global Engineering Documents (phone: 1-877-413-5184, website: www.global.ihs.com). Recommended Safe Practices for the Preparation for Welding and Cut- ting of Containers and Piping, American Welding Society Standard F4.1 from Global...
  • Page 9: Section 2 − Consignes De Sécurité − Lire Avant Utilisation

    SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION Y Avertissement : se protéger et protéger les autres contre le risque de blessure — lire et respecter ces consignes. 2-1. Symboles utilisés Symbole graphique d’avertissement ! Attention ! Cette pro- cédure comporte des risques possibles ! Les dangers éven- tuels sont représentés par les symboles graphiques joints.
  • Page 10 LES RAYONS D’ARC peuvent entraî- ner des brûlures aux yeux et à la peau. Le rayonnement de l’arc du procédé de soudage génère des rayons visibles et invisibles intenses (ultraviolets et infrarouges) susceptibles de provo- quer des brûlures dans les yeux et sur la peau. Des étincelles sont projetées pendant le soudage.
  • Page 11: Dangers Supplémentaires En Relation Avec L'installation, Le Fonctionnement Et La Maintenance

    2-3. Dangers supplémentaires en relation avec l’installation, le fonctionnement et la maintenance Risque D’INCENDIE OU D’EXPLO- SION. D Ne pas placer l’appareil sur, au-dessus ou à proximité de surfaces inflammables. D Ne pas installer l’appareil à proximité de produits inflammables. D Ne pas surcharger l’installation électrique −...
  • Page 12: Principales Normes De Sécurité

    2-5. Principales normes de sécurité Safety in Welding, Cutting, and Allied Processes, ANSI Standard Z49.1, de Global Engineering Documents (téléphone : 1-877-413-5184, site In- ternet : www.global.ihs.com). Recommended Safe Practices for the Preparation for Welding and Cut- ting of Containers and Piping, American Welding Society Standard AWS F4.1 de Global Engineering Documents (téléphone : 1-877-413-5184, site Internet : www.global.ihs.com).
  • Page 13: Section 3 − Installation

    3-1. Specifications Wire Feed Wire Feed Model Model Speed Range 50 To 1400 ipm AA40GBU (1.3 To 35.6 mpm) 3-2. Overall Dimensions And Mounting Hole Layout Adapter Bracket Wire Diameter Range Wire Diameter Range Type Of Input Power Type Of Input Power .045 To .062 in...
  • Page 14: Typical Equipment Location

    3-3. Typical Equipment Location Welding Power Source Gas Cylinder Side Beam 3-4. Installing Drive Rolls OM-227 674 Page 10 Weld Control Spool Support Wire Drive Assembly Automatic Welding Gun ST-131 138-A Pressure Assembly Door Drive Roll Ejector Button Drive Roll Carrier Installation Open pressure assembly door.
  • Page 15: Installing Pd Continuous Wire Guides

    3-5. Installing PD Continuous Wire Guides PD Continuous Wire Guides: Should be used with .068/.072 in (1.8 mm) and smaller diameter wire for opti- mal performance. Should be used with PD drive rolls and cannot be used with non-PD (old-style) drive rolls.
  • Page 16: Installing Non-Pd (Old Style) Wire Guides

    3-6. Installing Non-PD (Old Style) Wire Guides OM-227 674 Page 12 Installing wire guides with non- PD (old-style) drive rolls Open pressure assembly door. Lift up drive roll swing arms. Install PD inlet guide. Remove screw securing intermedi- ate guide holder. (Guide holder is located between the lower front and rear drive roll carriers.) Rotate guide holder 180 degrees...
  • Page 17: Installing Welding Gun

    3-7. Installing Welding Gun Installing gun with Accu-Mate connection Installing gun without Accu-Mate connection Power Clamp Knob Gun Locking Tab Power Pin Groove Gun Connection End Installing gun with Accu-Mate connection Loosen power clamp knob to allow power pin of gun to clear the gun locking tab.
  • Page 18: Mounting Motor And Connecting Gas Hose And Weld Cable

    3-8. Mounting Motor And Connecting Gas Hose And Weld Cable Tools Needed: 9/16, 5/8 in OM-227 674 Page 14 350 Amps and above weld connection 0 to 350 Amps weld connection Drive motor must be isolated from weld potential. Insulator Plate When mounting motor, factory-supplied insulator plate under motor mounting bracket to...
  • Page 19: Plug Connections

    3-9. Plug Connections Weld Control Motor Control Cord (Not Supplied) Cord is available in 20 ft (6.1 m), 30 ft (9.1 m) or 50 ft (15.2 m) lengths. Motor/Drive Assembly To make connections, align key- way, insert plug, and tighten threaded collar.
  • Page 20: Threading Welding Wire And Adjusting Pressure Drive Setting

    3-10. Threading Welding Wire And Adjusting Pressure Drive Setting Tools Needed: POWER Turn on power at welding power source. Drive Rolls Pressure assembly door not shown. No Wire Slip Wire Slips NONCONDUCTIVE NONCONDUCTIVE SURFACE Drive Roll Pressure Adjustment Lever Notch In Lever (Indicates Pressure Settings) Pressure drive settings range from 1 to 8 with 8 being the maximum setting.
  • Page 21: Section 4 − Maintenance And Troubleshooting

    SECTION 4 − MAINTENANCE AND TROUBLESHOOTING 4-1. Routine Maintenance n = Check Z = Change * To be done by Factory Authorized Service Agent Every Every l Unreadable Labels ~ Weld Terminals Months n Gun Cable n Gas Hose And Fittings Every Months ~ Inside Of Unit...
  • Page 22: Troubleshooting

    Motor runs at full speed regardless of Have Factory Authorized Service Agent check digital wire drive motor Tachometer board and encoder. wire speed setting. SECTION 5 − ELECTRICAL DIAGRAM Figure 5-1. Circuit Diagram For AA40GBU/Gas Box (Left Hand) OM-227 674 Page 18 Remedy 221 660-A...
  • Page 23: Section 6 − Parts List

    SECTION 6 − PARTS LIST Item Dia. Part Mkgs....228 131 ....145 639 .
  • Page 24 Item Dia. Part Mkgs....221 537 ....010 493 .
  • Page 25 Hardware is common and not available unless listed. See Table 6-1 For Drive Roll & Wire Guide Kits Item Diagram Part marking 219 080 ....224 772 .
  • Page 26 OM-227 674 Page 22...
  • Page 27 Warranty Questions? LIMITED WARRANTY − Subject to the terms and conditions Call below, Miller Electric Mfg. Co., Appleton, Wisconsin, warrants to 1-800-4-A-MILLER its original retail purchaser that new Miller equipment sold after the effective date of this limited warranty is free of defects in for your local material and workmanship at the time it is shipped by Miller.
  • Page 28 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. 2006 Miller Electric Mfg. Co. 2006−01 Miller Electric Mfg. Co. An Illinois Tool Works Company 1635 West Spencer Street Appleton, WI 54914 USA International Headquarters−USA...

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