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OM-1598 199 752G 2007−04 Processes Submerged (SAW) Welding Description Heavy Duty Wire Feeder For Automated Welding Applications RAD-400 And RAD-780 Motor/Drive Assemblies File: SUBMERGED (SAW) Visit our website at www.MillerWelds.com...
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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.
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 3 − INSTALLATION 3-1. Specifications Wire Feed Speed Wire Feed Speed Wire Diameter Wire Diameter Type Of Input Type Of Input Input Power Input Power Model Model Rating Rating Weight Weight Range Range Power Cord 20 To 400 ipm 3/32 To 7/32 in 1/4 HP, 33 lb...
3-5. Installing Wire Guide And Drive Roll When changing wire size or type, check drive roll size (see Table 5-1). Wire Pressure Adjustment Screw (Hidden) Loosen screw to decrease tension on spring. Drive Roll Nut Drive Roll Remove drive roll. Drive Roll Carrier Turn nut one click to line up lobes with lobes on drive roll carrier.
3-6. Plug Connections Weld Control Motor Control Cord (Not Supplied) Motor/Drive Assembly To make connections, align key- way, insert plug, and tighten threaded collar. 804 966-A OM-1598 Page 8...
3-7. Threading And Feeding Welding Wire Hold wire tightly to keep it from unraveling. POWER Tools Needed: 6 in Weld Control Welding Power Source (150 mm) Pull and hold wire; cut off end. Set switches. WIRE ADVANCE Cut off wire at a diagonal. Push wire thru guide up to drive rolls;...
3-9. Manually Changing Feed Plate Angle Adjusting Knob Turn adjusting knob to change torch angle. Hub Clamp Screw Tighten screw. Feed Plate Screw Loosen screw. The feed plate maximum tilt angle is about 15 degrees from center in both directions. Tools Needed: 1/4 in 15°...
3-10. Location Of Torch For Tandem Arc Applications Follow instructions below to change torch to right of center or left of center. Assembly As Shipped (With torch right of center) Tools Needed: 1/4, 3/16 in Torch Left Of Center Torch Right Of Center (With tilt angle adjusting knob on left side) Ref.
4-2. Brush Inspection And Replacement Brush Cap Spring Clip Brush 3/8 in (9.5 mm) Minimum Length Remove brush cap. Remove spring clip and brush. 3/4 in (19 mm) Replace brush if it becomes chipped New Length or broken, or if less than 3/8 in (9.5 mm) of brush material is left.
SECTION 6 − PARTS LIST Hardware is common and not available unless listed. See Figure 6-2 For Replacement Drive Rolls 804 931-A Figure 6-1. Wire Drive Assembly OM-1598 Page 16...
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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...