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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.
TABLE OF CONTENTS SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING ........1-1.
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European Community (CE) Products NOTE This information is provided for units with CE certification (see rating label on unit). 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.
SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING som _3/05 Y Warning: Protect yourself and others from injury — read and follow these precautions. 1-1. Symbol Usage Means Warning! Watch Out! There are possible hazards with this procedure! The possible hazards are shown in the adjoining symbols.
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ARC RAYS can burn eyes and skin. BUILDUP OF GAS can injure or kill. D Shut off shielding gas supply when not in use. Arc rays from the welding process produce intense visible and invisible (ultraviolet and infrared) rays D Always ventilate confined spaces or use that can burn eyes and skin.
D Read Owner’s Manual before using or servic- support unit. ing unit. D If using lift forks to move unit, be sure forks are D Use only genuine Miller/Hobart replacement long enough to extend beyond opposite side of parts. unit.
1-5. Principal Safety Standards Safety in Welding, Cutting, and Allied Processes, ANSI Standard Z49.1, Boulevard, Rexdale, Ontario, Canada (phone: from Global Engineering Documents (phone: 1-877-413-5184, website: 800−463−6727 or in Toronto 416−747−4044, website: www.csa−in- www.global.ihs.com). ternational.org). Practice For Occupational And Educational Eye And Face Protection, Recommended Safe Practices for the Preparation for Welding and Cut- ANSI Standard Z87.1, from American National Standards Institute, 11 ting of Containers and Piping, American Welding Society Standard...
SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION som _3/05 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.
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LES RAYONS D’ARC peuvent entraî- ACCUMULATIONS ner des brûlures aux yeux et à la peau. risquent de provoquer des blessures ou même la mort. Le rayonnement de l’arc du procédé de soudage génère des rayons visibles et invisibles intenses D Fermer l’alimentation du gaz protecteur en cas (ultraviolets et infrarouges) susceptibles de provo- de non-utilisation.
D Utiliser un équipement de levage de capacité D Utiliser uniquement des pièces de rechange suffisante pour lever l’appareil. Miller/Hobart. D En utilisant des fourches de levage pour déplacer l’unité, s’assu- rer que les fourches sont suffisamment longues pour dépasser du côté...
2-5. Principales normes de sécurité Safety in Welding, Cutting, and Allied Processes, ANSI Standard Z49.1, Boulevard, Rexdale, Ontario, Canada M9W 1R3 (téléphone : de Global Engineering Documents (téléphone : 1-877-413-5184, site In- 800-463-6727 ou à Toronto 416-747-4044, site Internet ternet : www.global.ihs.com). www.csa-international.org).
Section 5-1. = 30V = 1A IP 23 = 100V = 200A X 100% MILLER ELECTRIC MFG. CO., APPLETON, WI USA S-180 481 S-180 481 3-2. Symbols And Definitions NOTE Some symbols are found only on CE products. Primary Voltage...
4-3. Installing Wire Spool And Threading Welding Wire Top Cover Canister Canister Cover Thumbscrew (Canister Cover) Loosen thumbscrew and remove cover. Wire Spool Loosen wire from spool, cut off bent wire, and pull 6 in (150 mm) of wire off spool. Pressure Roll Assembly Lift arm and open pressure roll assembly.
4-5. Connecting To 24 Volt Weld Control Gas Hose Connect fitting to regulator/flowme- ter (see Section 4-7). 24 Volt Weld Control Trigger Control Cord Insert plug into receptacle, and tighten threaded collar. Weld Cable Connect to positive (+) weld output terminal on welding power source according to its Owner’s Manual.
4-7. Installing Gas Supply Obtain gas cylinder and chain to running gear, wall, or other station- ary support so cylinder cannot fall and break off valve. Cylinder Valve Remove cap, stand to side of valve, and open valve slightly. Gas flow blows dust and dirt from valve.
4-8. Adjusting Drive Roll And Spool Brake Pressure Top Cover Canister Cover Thumbscrew Loosen thumbscrew and remove cover. Spool Cut welding wire off at contact tip. Retract wire onto spool and secure. Spool Brake Thumbnut Grasp spool in one hand and turn while adjusting spool brake thumb- nut.
SECTION 5 − OPERATION 5-1. Controls Trigger Press trigger to energize welding power source contactor (if applica- ble), start shielding gas flow, and begin wire feed. For shielding gas preflow and post- flow, lightly press trigger before and after welding. Wire Speed Control Use control to adjust wire feed speed.
SECTION 6 − MAINTENANCE & TROUBLESHOOTING 6-1. Routine Maintenance Y Disconnect power Maintain more often before maintaining. during severe conditions. 3 Months Clean Replace Replace Damaged Or Damage Tighten Unreadable Gas Hose Weld Labels Terminals Repair Or Replace Cracked Cables And Cords 6 Months Blow Out Or...
6-3. Replacing Head Tube Liner The standard head tube liner will accommodate wire diameters from .030-1/16 wire size. Cover Screw Clamp Loosen clamp screws and remove clamp. Head Tube Remove head tube from gun. Liner Pull liner out of head tube. Insert liner into head tube and reinstall head tube onto gun.
6-4. Gun Drive Assembly Maintenance Retract wire onto spool. Setscrew Current Pick-Up Tab This tab helps prevent burnback caused by welding arcs inside the contact tip. This tab may be re- moved to provide an insulated drive roll. (If tab is removed, a smaller di- ameter contact tip is recom- mended.
6-7. Replacing Diffuser Turn Off welding power source. Nozzle FasTip To remove, see Section 6-2. Diffuser Remove diffuser and replace. Tools Needed: 3/8 in Ref. 803 348-G 6-8. Troubleshooting Trouble Remedy No weld output; gun/feeder does not Secure weld control plug in 115 volts ac receptacle (see weld control Owner’s Manual). work.
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Notes Start Your Professional Over 80,000 trained 400 Trade Square East, Troy, Ohio 45373 Welding Career Now! since 1930! 1-800-332-9448 www.welding.org...
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Effective January 1, 2007 (Equipment with a serial number preface of “LH” or newer) This limited warranty supersedes all previous Miller warranties and is exclusive with no other Warranty Questions? guarantees or warranties expressed or implied. LIMITED WARRANTY − Subject to the terms and conditions...