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OM-1500-14 207 499H
2007 −07
Processes
MIG (GMAW) Welding
Flux Cored (FCAW) Welding
(Gas-and Self-Shielding)
Submerged (SAW) Welding
Description
Wire Feeder
(Use with CV Power Sources)
™
DS-74DX Swingarc
DS-74DX12, and DS-74DX16
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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TABLE OF CONTENTS SECTION 9 − ELECTRICAL DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 SECTION 10 − PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 OPTIONS AND ACCESSORIES WARRANTY
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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-1500-14 Page 10
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SECTION 3 − INTRODUCTION 3-1. Specifications Type of Input Welding Power Wire Feed Speed Wire Diameter Welding Circuit Weight Power Source Type Range Range Rating Standard: 50 To 780 ipm .023 To 1/8 in (0.6 12 ft (3.7 m): 100 Volts, (1.3 To 19.8 mpm) 24 Volts AC Constant Voltage (CV) To 3.2 mm) 207 lb (94 kg) 750 Amperes, 100% Single-Phase DC With 14-Pin And Duty Cycle 10 Amperes Optional High Speed: 92 Contactor Control Max Spool Weight: 16 ft (4.9 m): 50/60 Hertz To 1435 ipm 60 lb (27 kg) 280
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4-2. Installing Control Box And Adjusting Tilt 1 Weld Control 2 Bracket 3 Screw Bracket and screws are installed onto bottom of control at factory. 4 Swivel 1 Loosen screws. Place control on swivel and slide forward. Tighten screws. 5 2 5 Tilt Bracket 6 Rear Pivot Screw 6 7 Front Screw Loosen rear pivot screw. Remove front screw. Pivot control down- ward to desired viewing angle. Re- 4 place and tighten front screw. Tight- 7 en pivot screw. 3 Tools Needed: 3/8 in 803 192 4-3. Installing Boom And
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4-4. Installing Wire Guide Extension 1 Wire Guide Fitting 2 Bolt 3 Monocoil Liner 1 4 Wire Guide Extension Tighten bolt to secure liner in wire guide fitting. Do not overtighten bolt 4 and crush liner. 3 Repeat procedure for opposite side. 2 Tools Needed: 3/8 in ST-152 383 OM-1500-14 Page 13
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4-5. Equipment Connection Diagram 1 Welding Power Source 2 Remote 14 Connection 3 Negative ( −) Weld Output Cable 4 Positive (+) Weld Output Cable 5 Workpiece 6 Weld Control 7 Boom 12 8 Gun 1 9 Swivel 10 Pipe Post And Base 11 Gas Hose 2 12 Gas Supply and Regulator (Customer Supplied) Shielding gas pressure not to exceed 100 PSI (689 kPa). 3 4 5 11 6 7 10 9 8 803 195 OM-1500-14 Page 14
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4-6. Control Box Connections 1 Interconnecting Cables 2 Interconnecting Cable Receptacles 3 14-Pin Cord 1 2 3 803 197-A 4-7. 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
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4-8. Removing Safety Collar And Adjusting Boom 1 Locking Knob Tighten knob to prevent boom movement. Loosen knob to allow boom movement. Change knob po- sition to limit upward movement. Pull boom down slightly and re- move safety collar. Boom should 4 balance in any position from hori- zontal to 60 degrees above hori- zontal. If necessary, adjust boom as follows: 2 Threaded Rod 3 Jam Nut Loosen jam nut and turn threaded rod until boom balances. Tighten 5 jam nut. Be sure several full threads are
