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OM-1500-7 204 129H
2007 −07
Processes
MIG (GMAW) Welding
Flux Cored (FCAW) Welding
(Gas- And Self-Shielded)
Description
Wire Feeder
D-74DX
File: MIG (GMAW)
Visit our website at
www.MillerWelds.com
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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. Like you, his customers couldn’t afford anything less. Miller products had to be more than the best they could be. They had to be the best you could buy. Today, the people that bu
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TABLE OF CONTENTS SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1-1. Symbol Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1-2. Arc Welding Hazards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1-3. Additional Symbols For Insta
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Declaration of Conformity for European Community (CE) Products This information is provided for units with CE certification (see rating label on unit). NOTE Manufacturer: European Contact: Miller Electric Mg. Co. Mr. Danilo Fedolfi, 1635 W. Spencer St. Managing Director Appleton, WI 54914 USA ITW Welding Products Italy S.r.l. Phone: (920) 734-9821 Via Privata Iseo 6/E 20098 San Giuliano Milanese, Italy Phone: 39(02)98290-1 Fax: 39(02)98290203 European Contact Signature: Declares that the produ
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SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING som _2007 −04 7 Protect yourself and others from injury — read and follow these precautions. 1-1. Symbol Usage DANGER! − Indicates a hazardous situation which, if Indicates special instructions. not avoided, will result in death or serious injury. The possible hazards are shown in the adjoining symbols or explained in the text. Indicates a hazardous situation which, if not avoided, could result in death or serious injury. The possible This gro
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Do not use welder to thaw frozen pipes. FUMES AND GASES can be hazardous. Remove stick electrode from holder or cut off welding wire at contact tip when not in use. Welding produces fumes and gases. Breathing Wear oil-free protective garments such as leather gloves, heavy these fumes and gases can be hazardous to your shirt, cuffless trousers, high shoes, and a cap. health. Remove any combustibles, such as a butane lighter or matches, Keep your head out of the fumes. Do not breathe the
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1-3. Additional Symbols For Installation, Operation, And Maintenance FIRE OR EXPLOSION hazard. MOVING PARTS can cause injury. Do not install or place unit on, over, or near Keep away from moving parts such as fans. combustible surfaces. Keep all doors, panels, covers, and guards Do not install unit near flammables. closed and securely in place. Do not overload building wiring − be sure power supply system is Have only qualified persons remove doors, panels, covers, or properly sized,
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1-4. California Proposition 65 Warnings For Gasoline Engines: Welding or cutting equipment produces fumes or gases which contain chemicals known to the State of California to Engine exhaust contains chemicals known to the State of cause birth defects and, in some cases, cancer. (California California to cause cancer, birth defects, or other reproduc- Health & Safety Code Section 25249.5 et seq.) tive harm. For Diesel Engines: Battery posts, terminals and related accessories contain lead and lead
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SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION fre_som_2007 −04 7 Se protéger et protéger les autres contre le risque de blessure — lire et respecter ces consignes. 2-1. Symboles utilisés DANGER! − Indique une situation dangereuse qui si on Indique des instructions spécifiques. l’évite pas peut donner la mort ou des blessures graves. Les dangers possibles sont montrés par les symboles joints ou sont expliqués dans le texte. Indique une situation dangereuse qui si on l’évite pas peu
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Il reste une TENSION DC NON NÉGLIGEABLE dans LE SOUDAGE peut provoquer un in les sources de soudage onduleur quand on a cendie ou une explosion. coupé l’alimentation. Le soudage effectué sur des conteneurs fermés tel Arrêter les convertisseurs, débrancher le courant électrique et que des réservoirs, tambours ou des conduites peu décharger les condensateurs d’alimentation selon les instructions provoquer leur éclatement. Des étincelles peuven indiquées dans la partie Entretien avant de toucher
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Protéger les bouteilles de gaz comprimé d’une chaleur excessive, LES ACCUMULATIONS DE GAZ des chocs mécaniques, des dommages physiques, du laitier, des risquent de provoquer des blessures flammes ouvertes, des étincelles et des arcs. ou même la mort. Placer les bouteilles debout en les fixant dans un support station- Fermer l’alimentation du gaz protecteur en cas naire ou dans un porte-bouteilles pour les empêcher de tomber ou de non-utilisation. de se renverser. Veiller toujours à bien
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LES FILS DE SOUDAGE peuvent LE RAYONNEMENT HAUTE FRÉ- provoquer des blessures. QUENCE (H.F.) risque de provoquer des interférences. Ne pas appuyer sur la gâchette avant d’en avoir reçu l’instruction. Le rayonnement haute fréquence (H.F.) peut Ne pas diriger le pistolet vers soi, d’autres per- provoquer des interférences avec les équipe- sonnes ou toute pièce mécanique en enga- ments de radio −navigation et de communica- geant le fil de soudage. tion, les services de sécurité et les ordinat
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2-5. Principales normes de sécurité Safety in Welding, Cutting, and Allied Processes, ANSI Standard Z49.1, L4W 5NS (téléphone : 800-463-6727 ou à Toronto 416-747-4044, site de Global Engineering Documents (téléphone : 1-877-413-5184, site Internet : www.csa-international.org). Internet : www.global.ihs.com). Safe Practice For Occupational And Educational Eye And Face Protec- tion, ANSI Standard Z87.1, de American National Standards Institute, Recommended Safe Practices for the Preparation for We
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OM-1500-7 Page 10
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SECTION 3 − DEFINITIONS 3-1. Warning Label Definitions A. Warning! Watch Out! There are possible hazards as shown by the symbols. B. Drive rolls can injure fingers. AB C C. Welding wire and drive parts are at welding voltage during operation − keep hands and metal objects clear. 1 Electric shock can kill. 1.1 Wear dry insulating gloves. Do not touch electrode with bare hand. Do not wear wet or damaged gloves. 1.2 Protect yourself from electric shock by insulating yourself 1 1.1 1.2 1.3 from work
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3-2. Rating Label For CE Products For label location see Section 5-3. S/N: U 24 V 1 50/60 Hz 1 50/60 = IP 21 I = 10.0A 1 U 100 V I = 750 A X 100 % 2 2 = ST-178 794-A 3-3. WEEE Label (For Products Sold Within The EU) Do not discard product (where ap- plicable) with general waste. Reuse or recycle Waste Electrical and Electronic Equipment (WEEE) by disposing at a designated collec- tion facility. Contact your local recycling office or your local distributor for further information. 3-4. Symbols
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SECTION 4 − INTRODUCTION 4-1. Specifications Welding Type of Input Welding Power Wire Feed Speed Wire Diameter IP Overall Circuit Weight Power Source Type Range Range Rating Dimensions Rating 24 Volts AC Constant Voltage (CV) Standard: 50 To 780 .023 To 1/8 in 100 Volts, IP 21 Length: 35 in 87 lb Single-Phase DC With 14-Pin And ipm (1.3 To 19.8 mpm) (0.6 To 3.2 mm) 750 (889 mm) (39.5 kg) 10 Amperes Contactor Control Amperes, Width: 12-1/2 in 50/60 Hertz Optional High Speed: Max Spool 100% Duty (
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5-2. Equipment Connection Diagrams 1 Welding Power Source 2 Contactor Control/Power Cord 3 Positive (+) Weld Cable 4 Negative ( −) Weld Cable 5 Workpiece 6 Welding Gun 7 Wire Feeder 8 Gas Hose 9 Gas Cylinder and Regulator (Customer Supplied) Shielding gas pressure not to exceed 100 PSI (689 kPa). 1 9 2 3 4 5 8 7 6 803 073 OM-1500-7 Page 14
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5-3. Rear Panel Connections And Rotating Drive Assembly 1 14-Pin Control Cable - 10 Ft (3.0 m) 2 Shielding Gas Valve Fittings Requires fitting with 5/8-18 right- hand threads. Connect customer- supplied gas hose. 3 Weld Cable Terminal 4 Jumper Weld Cable 5 Weld Cable 6 Drive Assembly 7 Drive Assembly Rotation Knob 8 Rating Label Location To rotate the drive assembly, loos- 8 en drive assembly rotation knob, 2 rotate drive assembly, and tighten knob. 1 3 5 4 4 5 6 7 Tools Needed: 9/16, 5/8 in 3/1
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5-4. 14-Pin Plug Information Pin* Pin Information A 24 volts ac with respect to socket G. B Contact closure to A completes 24 volts ac contactor control circuit. J J A A K K I B G Circuit common for 24 volts ac circuit. L L H N C C +10 volts dc input from power source to wire feeder with respect to socket D. M M G G D D D Remote control circuit common. F F E E E 0 to +10 volts dc output signal from wire feeder to power source with respect to socket D. H Voltage feedback; 0 to +10 volts dc, 1 vol
