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Unitor UWF-SC12RC Owner's Manual

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UWF-SC12RC
OM-215 092
210 177A
August 2005
Processes
MIG (GMAW) Welding
Flux Cored (FCAW) Welding
Description
Wire Feeder

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Summary of Contents for Unitor UWF-SC12RC

  • Page 1 UWF-SC12RC OM-215 092 210 177A August 2005 Processes MIG (GMAW) Welding Flux Cored (FCAW) Welding Description Wire Feeder...

  • Page 3: Table Of Contents

    TABLE OF CONTENTS SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING 1-1. Symbol Usage ............... . 1-2.
  • Page 4 Declaration of Conformity for European Community (CE) Products NOTE This information is provided for units with CE certification (see rating label on unit). Manufacturer: Miller Electric Mg. Co. 1635 W. Spencer St. Appleton, WI 54914 USA Phone: (920) 734-9821 European Contact Signature:...

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

    DC constant voltage (wire) welder, 2) a DC manual (stick) welder, or 3) an AC welder with reduced open-circuit volt- age. In most situations, use of a DC, constant voltage wire welder is recommended. And, do not work alone! D Disconnect input power or stop engine before installing or servicing this equipment.
  • Page 6 D Do not use welder to thaw frozen pipes. D Remove stick electrode from holder or cut off welding wire at contact tip when not in use.

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

    1-3. Additional Symbols For Installation, Operation, And Maintenance FIRE OR EXPLOSION hazard. D Do not install or place unit on, over, or near combustible surfaces. D Do not install unit near flammables. D Do not overload building wiring − be sure power supply system is properly sized, rated, and protected to handle this unit.

  • Page 8: Principal Safety Standards

    1-5. Principal Safety Standards Safety in Welding, Cutting, and Allied Processes, ANSI Standard Z49.1, from Global Engineering Documents (phone: 1-877-413-5184, website: www.global.ihs.com). Recommended Safe Practices for the Preparation for Welding and Cut- ting of Containers and Piping, American Welding Society Standard F4.1 from Global...

  • Page 9: Section 2 − Definitions

    SECTION 2 − DEFINITIONS 2-1. Warning Label Definitions S-178 936 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.

  • Page 10: Manufacturer's Rating Label For Ce Products

    50/60 Hz Contactor Control OM-215 092 Page 6 S/N: 50/60 IP 23 10.0 X 100 % MILLER ELECTRIC MFG. CO., APPLETON, WI USA Input Wire Feed Cold Jog (Inch) To- wards Workpiece Circuit Breaker Trigger Hold On Conventional Load Primary Voltage...

  • Page 11: 14-Pin Plug Information

    3-2. 14-Pin Plug Information Pin* 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. +10 volts dc input from power source to wire feeder with respect to socket D. Remote control circuit common.

  • Page 12: Gun Recommendation Table

    3-4. Gun Recommendation Table Process GMAW − Hard or Cored Wires FCAW − Self-Shielding Wires 3-5. Consumable Parts and Spares for the T-400 MP Torch Pos. Description Wire torch for T-400 MP for gas shielded wire with 3 m cable and con- nector with 1.2 mm contact tip and steel liner (1.2 −...

  • Page 13: Installing And Aligning Wire Guide And Drive Rolls

    3-6. Installing And Aligning Wire Guide And Drive Rolls Installing Wire Guide And Drive Rolls Aligning Wire Guide And Drive Rolls Correct Incorrect Installing Wire Guide And Drive Rolls: Drive Roll Nut Drive Roll Carrier Turn nut one click until lobes of nut line up with lobes of drive roll carrier.

  • Page 14: Connecting Welding Gun

    3-7. Connecting Welding Gun Internal Side View 3-8. Connecting Shielding Gas Tools Needed: 5/8 in OM-215 092 Page 10 Rear View Gun Securing Knob Gun Block Gun Outlet Wire Guide Loosen knob, insert gun end into block. Position outlet wire guide as close as possible to drive rolls with- out touching.

  • Page 15: Connecting Weld Cable

    3-9. Connecting Weld Cable From Wire Feeder 3-10. Installing And Threading Welding Wire Pull and hold wire; cut off end. Tighten Clockwise WOOD Hold wire tightly to keep it from unraveling. 6 in (150 mm) User-Suppled Weld Cable Follow wire manufacturer’s recom- mendations for weld cable polarity.

  • Page 16: Section 4 − Operation

    SECTION 4 − OPERATION 4-1. Controls Internal Side View OM-215 092 Page 12 PURGE POWER VOLTAGE WIRE SPEED Front Panel Internal Control Panel Power Control Switch Trigger Hold Switch (Optional) Depress the upper part of the switch (turns trigger hold On) to weld without holding gun trigger throughout the weld cycle.

  • Page 17: Setting Digital Meter Board Pc4 Dip Switches

    4-2. Setting Digital Meter Board PC4 DIP Switches Inches Per Minute 14 Pin Voltage Feedback (ON) 14 Pin Current Feedback Meter DIP switches are factory set to display wirefeed speed and voltage using 14 pin feedback. Meter hold feature is factory set to off position.

  • Page 18: Section 5 − Maintenance & Troubleshooting

    SECTION 5 − MAINTENANCE & TROUBLESHOOTING 5-1. Routine Maintenance 5-2. Overload Protection And Thermostat Protection Internal Side View OM-215 092 Page 14 Y Disconnect power before maintaining. 3 Months Replace Damaged Or Unreadable Labels 6 Months Clean Drive Rolls Maintain more often during severe conditions.

  • Page 19: Troubleshooting

    5-3. Troubleshooting Trouble Wire does not feed, unit completely inop- Turn Power switch On. erative. erative. Check 14−pin plug PLG2 connections. Check input power. Wire does not feed. Check circuit breaker CB1. (see Section 5-2). Check gun trigger connection at wire feeder. Check gun trigger leads and trigger switch. See gun Owner’s Manual.
  • Page 20 Notes OM-215 092 Page 16...

  • Page 21: Section 6 − Electrical Diagrams

    SECTION 6 − ELECTRICAL DIAGRAMS 223 794-B Figure 6-1. Circuit Diagram For Wire Feeder OM-215 092 Page 17...

  • Page 22: Section 7 − Parts List

    SECTION 7 − PARTS LIST Hardware is common and not available unless listed. OM-215 092 Page 18 Figure 8-1. Complete Assembly 804 214-D...
  • Page 23 Item Dia. Part Mkgs..ME220 195 ... ME207 679 ... ME124 778 ... ME172 076 .
  • Page 24 Item Dia. Part Mkgs... ME081 895 ..ME147 195 ..ME200 640 ..ME210 141 .
  • Page 25 Table 7-1. Drive Roll And Wire Guide Kits for Wire Feeder SC 12 RC Drive roll kit V-Groove 0.8 mm (0.030 in) V-Groove 1.2 mm (0.45 in) V-Groove 1.6 mm (1/16 in) V-Groove Knurled 0.9 mm (0.035 in) V-Groove Knurled 1.8 mm (0.068/0.072 in) U-Groove 0.9 mm (0.035 in) U-Groove 1.6 mm (1/16 in) * Included in wire feeder when first received.
  • Page 26 Notes...
  • Page 27 Notes...
  • Page 28 Unitor ASA Drammensveien 175 P.O. Box 300 Skoyen N−0212 Oslo Norway Tel: +47 22 13 14 15 PRINTED IN USA 1/04...

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