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Miller Electric ST 44 Series manual

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Table of contents for the manual

  • Page 1

    Processes Description MIG (GMAW ) W elding Flux Cored (FCA W ) W elding Wire Feeder OM-216 655E 2007−03 Ef fective with serial number: 225 493 ST 44 Series and ST Blu Fab W ire Feeder www.MillerWelds.com OWNER’S MANUAL[...]

  • Page 2

    Thank you and congratulations on choosing Miller . Now you can get the job done and get it done right. W e 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 . Like you, his customers couldn’t af [...]

  • Page 3

    T ABLE OF CONTENTS SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1. Symbol Usage 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2. Arc W elding Hazards 1 . . . . . . . . . . [...]

  • Page 4

    dec_stat_Milan_6/05 Declaration of Conformity for European Community (CE) Products This information is provided for units with CE certification (see rating label on unit). NOTE Manufacturer : European Contact: ITW Welding Products Italy S.r .l. Mr . Danilo Fedolfi, Via Privata Iseo 6/E Managing Director 20098 San Giuliano ITW Welding Products Italy[...]

  • Page 5

    OM-216 655 Page 1 SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING som _3/05 Y W arning: Protect yourself and others from injury — read and follow these precautions. 1-1. Symbol Usage Means W arning! W atch Out! There are possible hazards with this procedure! The possible hazards are shown in the adjoining symbols. Y Marks a special safety me[...]

  • Page 6

    OM-216 655 Page 2 Arc rays from the welding process produce intense visible and invisible (ultraviolet and infrared) rays that can burn eyes and skin. Sparks fly off from the weld. ARC RA YS can burn eyes and skin. D Wear an approved welding helmet fitted with a proper shade of fil- ter lenses to protect your face and eyes when welding or watching [...]

  • Page 7

    OM-216 655 Page 3 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

    OM-216 655 Page 4 1-5. Principal Safety Standards Safety i n W elding, 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 W elding and Cut- ting of Containers and Piping , American Welding Society Standard A W[...]

  • Page 9

    OM-216 655 Page 5 SECTION 2 − DEFINITIONS 1 1.1 1.2 1.3 3 3.1 3.2 3.3 4 4.1 + 2 2.1 2.2 + + 56 + 2.3 S-178 936 A. W arning! W atch Out! There are possible hazards as shown by the symbols. B. Drive rolls can injure fingers. C. W elding wire and drive parts are at welding voltage during operation − keep hands and metal objects clear . 1 Electric [...]

  • Page 10

    OM-216 655 Page 6 1 Warning! W atch Out! There are possible hazards as shown by the symbols. 2 Drive rolls can injure fingers 3 Welding wire and drive parts are at welding voltage during operation − keep hands and metal objects away . 1 2 3 2-2. Rating Label ST WIRE FEEDER 24 3 Made In the EEC:2003 50/60 Hz IP 23 1 V A 2-3. Symbols and Definition[...]

  • Page 11

    OM-216 655 Page 7 SECTION 3 − INST ALLA TION 3-1. Gun Recommendation T able Process Gun GMAW − Hard or Corded Wires M25 Or M40 FCAW − Self-Shielding Wires GA-40GL 1 CV Welding Power Source with 14 pin Amphenol Receptacle 2 Interconnecting Control Cord (Required) 3 Weld Cable (Required) 4 W ork 3-2. Equipment Connection Diagrams 4 3 2 1 3-3. 1[...]

  • Page 12

    OM-216 655 Page 8 1 Gun Securing Knob 2 Gun Block 3 Gun Outlet Wire Guide Loosen knob, insert gun into block. Position outlet wire guide as close as possible to drive rolls without touching. T ighten knob. 4 Gun Trigger Receptacle 5 Gun Trigger Plug 3-5. Connecting W elding Gun And Weld Cable 802 308 1 3 2 4 5 1 2 Euro T orch US T orch 1 Inlet Wire[...]

  • Page 13

    OM-216 655 Page 9 SECTION 4 − OPERA TION 17 11 4-1. ST 44 Series Panel Controls 1 V oltage Control 2 Purge Control 3 Jog 4 2T−4T Switch 5 Power ON-OFF 6 Digital V oltmeter/mpm 7 Remote Control Receptacle 8 Flowmeter 9 In-Out Cooling System 10 T orch Connection 1 1 Panel/Remote Control Switch 12 Wire Speed Control 13 Circuit Breaker 14 Gas In Co[...]

  • Page 14

    OM-216 655 Page 10 4-3. Run-In Control and Burnback Control 2 4 6 8 10 2 4 6 8 10 t Run-In Control Use control to set wire feed speed before arc initiation After arc initiation, wire feed speed is controlled by the wire feed speed control on the front control panel. Burnback Control Control adjusts the time welding wire is energized after wire feed[...]

  • Page 15

    OM-216 655 Page 1 1 SECTION 5 − MAINTENANCE & TROUBLESHOOTING 5-1. Routine Maintenance Y Disconnect power before maintaining. 3 Months Replace Unreadable Labels Clean And T ighten W eld T erminals Repair Or Replace Cracked W eld Cable 14-Pin Cord Gas Hose Gun Cable Replace Cracked Parts 6 Months Blow Out Or V acuum Inside, During Heavy Servic[...]

  • Page 16

    OM-216 655 Page 12 5-2. T roubleshooting Problem Solution Unit is completely inoperative. Check continuity of Power switch S1, and replace if necessary . Reset circuit breaker CB1 if open. Check input power source. See welding power source T echnical Manual. Wire does not feed, unit completely inop - erative. T urn Power switch On. erative. Check 1[...]

  • Page 17

    OM-216 655 Page 13 SECTION 6 − ELECTRICAL DIAGRAM[...]

  • Page 18

    OM-216 65 5 P a g e 1 4 SECTION 7 − P ARTS LIST . Hardware is common and not available unless listed Figure 7-1. ST 44 Complete Assembly (Optional Equipment Shown)[...]

  • Page 19

    OM-216 65 5 P a g e 1 5 Description Part No. Dia. Mkgs. Item No. Figure 7−1. ST 44 Complete Assembly Qty Basic Digital Ultra−Lite 1 000058427 Ring 1 1 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 156032128 Spring 1 1 1 . . . . . . . . . . . . . . [...]

  • Page 20

    OM-216 65 5 P a g e 1 6 . Hardware is common and not available unless listed Figure 7-2. 4 Roll Wire Drive Assembly (All Models) Description Part No. Dia. Mkgs. Item No. Figure 7-2. 4 Roll Wire Drive Assembly (All Models) Qty 1 057010052 Drive Motor , 24 VDC, 60w 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

  • Page 21

    OM-216 655 Page 17 . Hardware is common and not available unless listed Figure 7-3. ST Blu Fab Wire Feed Assembly April 19, 2006[...]

  • Page 22

    OM-216 65 5 P a g e 1 8 Description Part No. Dia. Mkgs. Item No. Figure 7-3. ST Blu Fab Wire Feed Assembly Qty 1 000058427 Ring 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 156032128 Spring 1 . . . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Page 23

    OM-216 65 5 P a g e 1 9 . Hardware is common and not available unless listed Figure 7-4. 2 Roll Wire Drive Assembly (All Models) 1 2 3 4 5 7 6 8 9 10 11 12 13 14 15 16 17 18 19 20 4 9/13/04 Description Part No. Dia. Mkgs. Item No. Figure 7-4. 2 Roll Wire Drive Assembly (All Models) Qty 1 057010052 Drive Motor , 24 VDC, 60w 1 . . . . . . . . . . . .[...]

  • Page 24

    OM-216 655 Page 20 T able 7-1. 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. V -Knurled rolls for hard[...]

  • Page 25

    Notes[...]

  • Page 26

    Notes[...]

  • Page 27

    Effective January 1, 2007 This limited warranty supersedes all previous Miller warranties and is exclusive with no other guarantees or warranties expressed or implied. LIMITED W ARRANTY − Subject to the terms and conditions below , ITW W elding Products Italy S.r .l., warrants to its original retail purchaser that new Miller equipment sold after [...]

  • Page 28

    PRINTED IN USA © 2007 Miller Electric Mfg. Co. 1/07 I TW W elding Products Italy S.r . l. Via Privata Iseo, 6/E 20098 San Giuliano Milanese, Italy Phone: 39 (0) 2982901 Fax: 39 (0) 298290-203 email: miller@itw−welding.it Model Name Serial/Style Number Purchase Date (Date which equipment was delivered to original customer.) Distributor Address Co[...]