Miller ST-24 ce Owner's Manual
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Miller ST-24 ce Owner's Manual

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ST-24
CE
OM-238 172C
2009−06
Processes
MIG (GMAW) Welding
Flux Cored (FCAW) Welding
Description
Wire Feeder
File: MIG (GMAW)

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  • Page 1 OM-238 172C 2009−06 Processes MIG (GMAW) Welding Flux Cored (FCAW) Welding Description Wire Feeder ST-24 File: MIG (GMAW) Visit our website at www.MillerWelds.com...
  • Page 2 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.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING ........1-1.
  • Page 4 DECLARATION OF CONFORMITY for European Community (CE marked) products. ITW Welding Products Italy S.r.l Via Privata Iseo 6/E, 20098 San Giuliano M.se, (MI) Italy declares that the product(s) identified in this declaration conform to the essential requirements and provisions of the stated Council Directive(s) and Standard(s). Product/Apparatus Identification: Product Stock Number...

  • Page 5: Section 1 − Safety Precautions - Read Before Using

    SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING som _2007−04 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.
  • Page 6 D Do not use welder to thaw frozen pipes. FUMES AND GASES can be hazardous. D Remove stick electrode from holder or cut off welding wire at contact tip when not in use. Welding produces fumes and gases. Breathing D 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.

  • Page 7: Additional Symbols For Installation, Operation, And Maintenance

    1-3. Additional Symbols For Installation, Operation, And Maintenance FIRE OR EXPLOSION hazard. MOVING PARTS can cause injury. D Do not install or place unit on, over, or near D Keep away from moving parts such as fans. combustible surfaces. D Keep all doors, panels, covers, and guards D Do not install unit near flammables.

  • Page 8: California Proposition 65 Warnings

    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 &...

  • Page 9: Section 2 − Consignes De Sécurité − Lire Avant Utilisation

    SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION fre_som_2007−04 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.
  • Page 10 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 tels D Arrêter les convertisseurs, débrancher le courant électrique et que des réservoirs, tambours ou des conduites peut décharger les condensateurs d’alimentation selon les instructions provoquer leur éclatement.

  • Page 11: Dangers Supplémentaires En Relation Avec L'installation, Le Fonctionnement Et La Maintenance

    D Protéger les bouteilles de gaz comprimé d’une chaleur excessive, ACCUMULATIONS 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. D Placer les bouteilles debout en les fixant dans un support station- D Fermer l’alimentation du gaz protecteur en cas naire ou dans un porte-bouteilles pour les empêcher de tomber ou de non-utilisation.

  • Page 12: Proposition Californienne 65 Avertissements

    LES FILS DE SOUDAGE peuvent LE RAYONNEMENT HAUTE FRÉ- provoquer des blessures. QUENCE (H.F.) risque de provoquer des interférences. D Ne pas appuyer sur la gâchette avant d’en avoir reçu l’instruction. D Le rayonnement haute fréquence (H.F.) peut D 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-...

  • Page 13: Principales Normes De Sécurité

    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 Welding and Cut- 11 West 43rd Street, New York, NY 10036-8002 (téléphone :...
  • Page 14 OM-238 172 Page 10...

  • Page 15: Section 3 − Definitions

    SECTION 3 − DEFINITIONS 3-1. General Precautionary Label A. Warning! Watch Out! There are possible hazards as shown by the symbols. B. Drive rolls can injure fingers. C. Welding wire and drive parts are at welding voltage during operation − keep hands and metal objects clear.

  • Page 16: Electric Shock And Pinch Hazards

    3-2. Electric Shock And Pinch Hazards Warning! Watch Out! There are possible hazards as shown by the symbols. Drive rolls can injure fingers. Welding wire and drive parts are at welding voltage during operation − keep hands and metal objects clear. S−178 937−A 3-3.

  • Page 17: Symbols And Definitions

    3-5. Symbols And Definitions Some symbols are found only on CE products. Input Remote Amperes Volts Alternating Current Duty Cycle Degree Of Hertz Circuit Breaker Wire Feed Protection Gas Metal Arc Welding (GMAW) Trigger Hold On Line Connection Purge Trigger Hold Off Gas Input Primary Voltage Burnback Time...

  • Page 18: Section 4 − Installation

    SECTION 4 − INSTALLATION 4-1. Serial Number And Rating Label Location The serial number and rating information for this product is located on back of control box. Use rating label to determine input power requirements and/or rated output. For future reference, write serial number in space provided on back cover of this manual. 4-2.

  • Page 19: Equipment Connection Diagrams

    4-4. Equipment Connection Diagrams CV Welding Power Source With 24 VAC Power CV Welding Power Source Without 24 VAC Power 115 Volts AC /24 Volts AC Power Adapter 14-Pin Control Cord Weld Cable (Required) Work 115VAC Contactor 4-5. 14-Pin Receptacle, Shielding Gas, And Weld Cable Connection Gas Connections Shielding gas pressure not to exceed 0.500 Mpa (72 PSI).

  • Page 20: 14-Pin Receptacle Information

    4-6. 14-Pin Receptacle Information Pin* Pin Information 24 volts AC with respect to pin G. Contact closure to A completes 24 volts AC contactor control circuit. Circuit common for 24 volts AC circuit. +10 volts DC output to remote control with respect to pin D. Remote control circuit common.

  • Page 21: Optional Meter Circuit Board Settings

    4-8. Optional Meter Circuit Board Settings Meter Circuit Board DIP Switch S2 Set DIP switch S2 for type of welding power source, and desired wire feed speed display (see illustration). Reinstall wrapper. Digital Amperage Display Hold Function ON Hold Function OFF X Indicates switch position does not affect specified function.

  • Page 22: Installing Wire Guide And Drive Roll

    4-9. Installing Wire Guide And Drive Roll Install and secure inlet wire guide, and intermediate wire guide. Install drive rolls and turn drive roll nut one click. During maintenance intervals, remove drive rolls, and clean grooves using a wire brush. Check groove of drive roll for pitting or increase in the depth of the groove indicating drive roll is worn out.

  • Page 23: Installing And Threading Welding Wire

    4-10. Installing And Threading Welding Wire Retaining Ring Hub Tension Adjustment Nut If necessary, move hub on support for use of a different size wire spool. Remove retaining ring, and install spool so hub pin fits spool hole. Reinstall retaining ring. Adjust tension nut so wire is taut when wire feed stops.

  • Page 24: Section 5 − Operation

    SECTION 5 − OPERATION 5-1. Front Panel Controls Optional Voltage/Wire Speed Meter Optional Voltage/Wire Speed Switch Use switch to choose volts or wire feed speed display. Optional Remote Voltage Control Use control to set welding power source voltage at the wire feeder. Numbers are for reference only.

  • Page 25: Optional Side Panel Controls

    5-2. Optional Side Panel Controls Wire Jog Control Use Jog position to momentarily feed welding wire at speed set on Wire Speed control without ener- gizing welding circuit or shielding gas valve. Wire Run-In Control Use control to set wire feed speed before arc is initiated.

  • Page 26: Overload Protection

    6-2. Overload Protection Turn Off unit and welding power source. Circuit Breaker CB1 CB1 protects wire feeder from overload. Correct problem and manually reset breaker. Ref. 805 227-A 6-3. Troubleshooting Trouble Remedy Wire does not feed, unit completely Turn Power switch On. inoperative.

  • Page 27: Section 7 − Electrical Diagram

    SECTION 7 − ELECTRICAL DIAGRAM (210 937-A) 956.142.625 Figure 7-1. Circuit Diagram For Wire Feeder With Optional Equipment OM-238 172 Page 23...

  • Page 28: Section 8 − Parts List

    SECTION 8 − PARTS LIST Fig. 8-2 956.142.644-A Figure 8-1. Main Assembly OM-238 172 Page 24...
  • Page 29 Item Dia. Part Mkgs. Description Quantity Figure 8-1. Main Assembly ... . . 000151187 . . . Latch ............
  • Page 30 Item Dia. Part Mkgs. Description Quantity Figure 8-1. Main Assembly (Continued) ... . . 656043033 . . . Cap, Blanking Nyln Rvc ..........
  • Page 31 956.142.644-A Figure 8-2. Drive Assembly, Wire (4 Drive Roll ) Item Dia. Part Mkgs. Description Quantity Figure 8-2. Drive Assembly, Wire(4 Drive Roll) ..057010061 . . . M1 Motor, 24 VAC ..........
  • Page 32 Table 8-1. Drive Roll And Wire Guide Kits (4 Drive Roll) Base selection of drive rolls upon the following recommended usages: 1. V-Grooved rolls for hard wire. 2. U-Grooved rolls for soft and soft shelled cored wires. 3. U-Cogged rolls for extremely soft shelled wires (usually hard surfacing types). 4.
  • Page 33 Notes...
  • Page 34 Notes Work like a Pro! Pros weld and cut safely. Read the safety rules at the beginning of this manual.
  • Page 35 Effective January 1, 2009 This limited warranty supersedes all previous Miller warranties and is exclusive with no other guarantees or warranties expressed or implied. LIMITED WARRANTY − Subject to the terms and conditions 90 Days — Parts below, ITW Welding Products Italy warrants to its original retail...
  • Page 36 File a claim for loss or damage during Phone: 39 (0) 2982901 Fax: 39 (0) 298290-203 shipment. email: miller@itw−welding.it For assistance in filing or settling claims, contact your distributor and/or equipment manufacturer’s Transportation Department. © ORIGINAL INSTRUCTIONS − PRINTED IN USA 2009 Miller Electric Mfg. Co. 2009−01...

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