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OM-247 517G 2014−03 Processes Automatic Welding Description Wire Feeder 74 Series MPa Drive Assembly (Left and Right) CE And Non-CE Models File: Advanced Manufacturing Systems Visit our website at www.MillerWelds.com/ams...
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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.
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TABLE OF CONTENTS SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING ........1-1.
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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).
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SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING som 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.
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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.
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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.
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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.
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SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION fre_som_2013−09 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.
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D Ne pas raccorder plus d’une électrode ou plus d’un câble de D Avoir recours à des écrans protecteurs ou à des rideaux pour masse à une même borne de sortie de soudage. Débrancher le protéger les autres contre les rayonnements les éblouissements câble pour le procédé...
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DES PIECES DE METAL ou DES LES BOUTEILLES peuvent exploser si elles sont endommagées. SALETES peuvent provoquer des blessures dans les yeux. Les bouteilles de gaz comprimé contiennent du gaz sous haute pression. Si une bouteille est D Le soudage, l’écaillement, le passage de la endommagée, elle peut exploser.
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LES CHARGES ÉLECTROSTATI- RAYONNEMENT HAUTE QUES peuvent endommager les cir- FRÉQUENCE (H.F.) risque cuits imprimés. provoquer des interférences. D Établir la connexion avec la barrette de terre D Le rayonnement haute fréquence (H.F.) peut avant de manipuler des cartes ou des pièces. provoquer des interférences avec les équi- D Utiliser des pochettes et des boîtes antista- pements de radio−navigation et de com-...
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2-4. Proposition californienne 65 Avertissements Les équipements de soudage et de coupage produisent des Ce produit contient des produits chimiques, notamment du fumées et des gaz qui contiennent des produits chimiques plomb, dont l’État de Californie reconnaît qu’ils provoquent dont l’État de Californie reconnaît qu’ils provoquent des mal- des cancers, des malformations congénitales ou d’autres formations congénitales et, dans certains cas, des cancers.
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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.
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SECTION 4 − SPECIFICATIONS 4-1. Serial Number And Rating Label Location The serial number and rating information for this product is located on the gas valve enclosure. Use rating label to determine input power requirements and/or rated output. For future reference, write serial number in space provided on back cover of this manual. 4-2.
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4-4. Wire Type, Size, And Optimal Wire Feed Speed Table Motor Speed Wire Type Wire Size Rated Speed Range (per IEC 60974−5) Standard .035 To .062 in. (0.9 To 1.57 mm) 55 To 770 ipm (1.4 To 19.6 mpm) Standard 5/64 in.
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SECTION 5 − INSTALLATION 5-1. Installing Wire Guides And Drive Rolls Tools Needed: 3/16 in. Open spring shaft carrier. Install inlet guide so groove is centered with When changing wire size or type, screw, and secure guide screw. Drive Roll check drive roll and guide size (see Table 8-1).
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5-2. Motor Mounting And Gun, Weld Cable, And Gas Connections Drive motor must be isolated from weld potential. Insulator Plate When mounting motor, place factory-supplied insulator plate under motor mounting bracket to provide isolation. Customer Supplied Gas Hose Shielding Gas Valve Fitting Requires hose fitting with 5/8-18 right-hand threads.
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5-4. Installing Welding Gun Gun Locking Tab Power Clamp Knob Gun Connection End Power Pin Groove Installing gun with Accu-Mate connection Loosen power clamp knob to allow power pin of gun to clear the gun locking tab. Push power pin into power clamp as far as possible to align the groove in the power pin of the gun with the gun locking tab.
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5-5. Installing And Threading Welding Wire Install wire guides and anti-wear guide. Install drive rolls. Pressure Indicator Pressure Scale Adjust Rear Pressure Rolls Adjust Front Rolls No Wire Slip Wire Slips NONCONDUCTIVE NONCONDUCTIVE SURFACE SURFACE Tools Needed: Drive Rolls 3/16, 5/64 in. Back Of Gun 15/16, 3/8 in.
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SECTION 6 − MAINTENANCE AND TROUBLESHOOTING 6-1. Routine Maintenance Maintain more often Disconnect power before maintaining. during severe conditions. n = Check Z = Change ~ = Clean l = Replace Reference * To be done by Factory Authorized Service Agent 3 Months l Unreadable Labels ~ Weld Terminals...
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6-3. Troubleshooting Trouble Remedy Electrode wire feeding stops or feeds er- Readjust hub tension and drive roll pressure. ratically during welding. Change to correct size drive roll. Clean or replace dirty or worn drive roll. Incorrect size or worn wire guides. Replace contact tip or liner.
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Figure 7-3. Circuit Diagram For MPa Plus Motor/Gas Box 250 821-A OM-247 517 Page 21...
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SECTION 8 − PARTS LIST See Table 8-1 For Hardware is common and not available unless listed. Drive Roll & Wire Guide Kits Dual Left Dual Right Dual Right / Single Right Figure 8-1. Drive Assembly, Wire OM-247 517 Page 22...
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Item Dia. Part Description Quantity Mkgs. Figure 8-1. Drive Assembly, Wire ....010 668 Screw, Cap Stl Sch .250-20 X 1.500 ....... .
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....203 423 ..Bushing, Strain Relief .300/.360 Id X .689 Sq Mtg ....
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Table 8-1. Drive Roll And Wire Guide Kits OM-247 517 Page 26...
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Effective January 1, 2014 (Equipment with a serial number preface of ME 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 —...