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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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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.
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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.
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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...
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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.
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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...
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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).
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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 .023 To 5/64 in (0.6 12 ft (3.7 m): 100 Volts, 24 Volts AC Constant Voltage (CV) To 2.0 mm) 207 lb (94 kg) 750 Amperes, 100%...
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4-2. Installing Control Box And Adjusting Tilt Weld Control Bracket Screw Bracket and screws are installed onto bottom of control at factory. Swivel Loosen screws. Place control on swivel and slide forward. Tighten screws. Tilt Bracket Rear Pivot Screw Front Screw Loosen rear pivot screw.
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4-4. Installing Wire Guide Extension Wire Guide Fitting Bolt Monocoil Liner Wire Guide Extension Tighten bolt to secure liner in wire guide fitting. Do not overtighten bolt and crush liner. Repeat procedure for opposite side. Tools Needed: 3/8 in ST-152 383 4-5.
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4-6. Equipment Connection Diagram Y Turn Off wire feeder and welding power source. Stop engine on welding generator. Y Use only with CC/CV DC Power Sources. Constant Current (CC) or Constant Voltage (CV) Welding Power Supply Remote 14 Connection Ground Cable To Workpiece Weld Cable To Feeder Weld cable and ground cable con- nections to power source (DCEN/...
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4-7. Control Box Connections Interconnecting Cables Interconnecting Cable Receptacles 14-Pin Cord Ref. 803 187 4-8. 14-Pin Plug Information Pin* Pin Information 24 volts ac with respect to socket G. Contact closure to A completes 24 volts ac contactor control circuit. Circuit common for 24 volts ac circuit.
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4-9. Removing Safety Collar And Adjusting Boom 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 balance in any position from hori- zontal to 60 degrees above hori- zontal.
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4-12. Installing Drive Rolls Drive Roll Carrier Ejector Button Drive Roll Pressure Door Assembly Installation Open pressure door assembly. Lift drive roll swing arm. Align drive roll slots with three lobes on drive roll carrier. Insert drive roll onto carrier. Drive roll will snap into place.
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4-13. Installing PD Continuous Wire Guides Ref. 804 731-A PD Wire Guide (Hard Wire) Remove PD inlet guide. PD Continuous Wire Guides: Insert wire guide gun end (indicated with ar- PD Inlet Guide Should be used with .068/.072 in row) into block near brass power pin gun (1.8 mm) and smaller diameter wire for Pressure Door Assembly connector.
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4-14. Installing Non-PD (Old Style) Wire Guides Ref. 804 732-A Tools Needed: 1/16, 1/8, 5/32 in Installing wire guides with non- PD (old- Open pressure door assembly. Rotate guide holder 180 degrees and rein- style) drive rolls stall. Lift up drive roll swing arms. Install intermediate guide into guide holder Non-PD (old-style) wire guides and Install PD inlet guide.
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4-15. Installing Welding Gun 804 730-A Installing gun with Installing gun without Accu-Mate connection Accu-Mate connection Gun Locking Tab into the PD continuous guide (or exit guide When using a gun without the groove in the if used) as far as possible without interfer- power pin, loosen power clamp knob and Power Clamp Knob ing with the guide.
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4-16. Installing Welding Wire And Adjusting Pressure Drive Setting Thread wire. Install wire spool. Ad- just tension nut so wire is taut when wire feed stops. Adjust tension. Pressure door assembly not shown. Drive Rolls End Of Liner Ref. 804 727-A Back Of Gun NONCONDUCTIVE NONCONDUCTIVE...
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4-17. Setting Internal DIP Switches On Motor Boards Remove wrapper. Left Side Motor DIP Switch S1 On Motor Control Board Boards PC1 and PC101. PC101 S1-1 Run-In enable or disable. S1-2 Right Side Motor Automatic Run-In versus Manual Control Board PC1 Adjustment Run-in.
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4-18. Equipment DIP Switch Settings (For Models With Meters Only) Remove wrapper. DIP Switch S2 On Digital Meter Board PC60 Install wrapper when finished. Digital Meter DIP Switch Setting Inches/Minute Meters/Minute PC60 Tools Needed: 1/4 in Ref. 803 154 / 803 188 OM-230 300 Page 21...
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SECTION 5 − OPERATION 5-1. Power Switch Power Switch Ref. 803 183 5-2. Left/Right Select Switch Left/Right Select Switch Pressing the Left/Right Select switch allows the operator to choose which side of the unit’s con- trols will operate. Ref. 803 184 5-3.