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Manual de instrucciones AUTO ARC 255

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Summary
  • AUTO ARC 255 - page 1

    Auto Arc 255 And M-25 Gun Processes Description R MIG (GMA W) W elding Flux Cored (FCA W) W elding Arc Welding Power Source And Wire Feeder OM-157 066V November 2000  For W arranty Claims And T echnical Support, Contact: Milweld Inc., National Distributor P .O. Box 338, Hortonville, WI 54944-0338 T el 920-779-0916 Fax 920-779-0924 ...

  • AUTO ARC 255 - page 2

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  • AUTO ARC 255 - page 3

    The following terms are used interchangeably throughout this manual: MIG = GMAW T ABLE OF CONTENTS SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1. Symbol Usage 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • AUTO ARC 255 - page 4

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  • AUTO ARC 255 - page 5

    OM-157 066 Page 1 SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING som _nd_4/98 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 message. . Means “Note”; not safety related. This group of symbols means W arning! W a ...

  • AUTO ARC 255 - page 6

    OM-157 066 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 a welding helmet fitted with a proper shade of filter to protect your face and eyes when welding or watching (see ANSI Z49.1 and ...

  • AUTO ARC 255 - page 7

    OM-157 066 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. ...

  • AUTO ARC 255 - page 8

    OM-157 066 Page 4 1-5. EMF Information Considerations About W elding And The Effects Of Low Frequency Electric A n d M a g netic Fields W elding current, as it flows through welding cables, will cause electro- magnetic fields. There has been and still is some concern about such fields. However , after examining more than 500 studies spanning 17 yea ...

  • AUTO ARC 255 - page 9

    OM-157 066 Page 5 SECTION 2 – INST ALLA TION 2-1. Specifications Rated W elding Amperage Range Maximum Open- Amperes Input at Rated Load Output, 50 or 60 Hz, Single-Phase Output DC Circuit V oltage DC 200 V 230 V 460 V 575 V KV A KW 200 A @ 28 V o lts DC, 60% Duty Cycle 250 A @ 28 V olts DC, 40% Duty Cycle 40 – 250 42 46 1.1* 40 1.3* 20 0.5* 16 ...

  • AUTO ARC 255 - page 10

    OM-157 066 Page 6 6 Minutes W elding 4 Minutes Resting 2-3. W elding Power Source Duty Cycle And Overheating Duty Cycle is percentage of 10 minutes that unit can weld at rated load without overheating. If unit overheats, thermostat(s) opens, output stops, and cooling fan runs. Wait fifteen minutes for unit to cool. Reduce amperage or voltage, or du ...

  • AUTO ARC 255 - page 11

    OM-157 066 Page 7 2-5. Installing Work Clamp 1 W ork Cable 2 Boot Slide boot onto work cable. Route cable out front panel opening from inside. 3 Negative ( – ) Output T erminal Connect cable to terminal and cover connection with boot. 4 Hardware 5 W ork Clamp Route cable through clamp handle and secure as shown. Close door . ST-800 918-C 1/2, 3/4 ...

  • AUTO ARC 255 - page 12

    OM-157 066 Page 8 2-7. Installing Welding Gun Ref. ST-800 921-C 1 Drive Assembly 2 Gun Securing Knob 3 Gun End Loosen securing knob. Insert gun en d through opening until it bottoms against drive assembly . T ighten nut. 4 Gun Trigger Plug Insert plug into receptacle, and tighten threaded collar . Close door . 1 24 3 2-8. Installing Wire Spool And ...

  • AUTO ARC 255 - page 13

    OM-157 066 Page 9 2-9. Setting Gun Polarity 1 Polarity Changeover Label Always read and follow manufac- ture ’ s recommended polarity . 3/4, 1 1/16 in T ools Needed: 1 Ref. 190 821-A 2-10. Positioning Jumper Links Ref. ST-800 922-C Check input voltage available at site. 1 Jumper Links Access Door Open door . 2 Jumper Link Label 3 Jumper Links Loc ...

  • AUTO ARC 255 - page 14

    OM-157 066 Page 10 2-1 1. Electrical Service Guide Input V oltage 200 230 460 575 Input Amperes At Rated Output 46 40 20 16 Max Recommended Standard Fuse Or Circuit Breaker Rating In Amperes Circuit Breaker 1 , T ime-Delay Fuse 2 50 50 25 20 Normal Operating Fuse 3 70 60 30 25 Min Input Conductor Size In A WG/Kcmil 10 10 14 14 Max Recommended Input ...

  • AUTO ARC 255 - page 15

    OM-157 066 Page 1 1 2-13. Threading Welding Wire 1 Wire Spool 2 Welding Wire 3 Inlet Wire Guide 4 Pressure Adjustment Knob 5 Drive Roll 6 Outlet Wire Guide 7 Gun Conduit Cable Lay gun cable out straight. 4 7 1 Ref. ST-148 261-D / ST -159 218-C / ST-801 083 / S-0627-A 6 in (150 mm) 4 in (102 mm) WOOD Open pressure assembly . Pull and hold wire; cut ...

  • AUTO ARC 255 - page 16

    OM-157 066 Page 12 SECTION 3 – OPERA TION 3-1. Front Panel Controls Ref. ST-171 639-C / Ref. ST -174 843-A Controls For Standard Units 1 Wire Speed Control The scale around the control is percent, not wire feed speed. 2 V oltage Switch Use control and V oltage Range Selector (see Section 3-2) to set arc voltage. Step 6 of Low range and Step 1 of ...

  • AUTO ARC 255 - page 17

    OM-157 066 Page 13 3-2. Center Baffle Controls Ref. ST-800 919-B / S-171 601 1 Wire Mode Switch Fo r better control of wire speed use th e Low position when wire speed is between 90 and 670 ipm. Use the Full position when wire speed is between 150 ipm and 1030 ipm. 2 V oltage Range Selector Place switch in desired position. 1 2 DO NOT SWITCH UNDER ...

  • AUTO ARC 255 - page 18

    OM-157 066 Page 14 3-3. W eld Parameter Chart ...

  • AUTO ARC 255 - page 19

    OM-157 066 Page 15 Ref. 200 062 ...

  • AUTO ARC 255 - page 20

    OM-157 066 Page 16 SECTION 4 – MAINTENANCE & TROUBLESHOOTING 4-1. Routine Maintenance Y Disconnect power before maintaining. . Maintain more often during severe conditions. 3 Months Replace Damaged Or Unreadable Labels Clean And T ighten W eld T erminals Repair Or Replace Cracked Cables And Cords 6 Months Blow Out Or V acuum Inside Remove dri ...

  • AUTO ARC 255 - page 21

    OM-157 066 Page 17 4-3. Fuses F1 And F2 Ref. ST-800 928-B Y T ur n Off unit, and disconnect input power . 1 Fuse F1 (See Parts List For Rating) F1 protects the 1 15 volts ac winding of transformer T1. If F1 opens, all weld output stops and pilot light PL1 goes out. 2 Fuse F2 (See Parts List For Rating) F2 protects the 24 volts ac winding of transfo ...

  • AUTO ARC 255 - page 22

    OM-157 066 Page 18 4-6. Cleaning Or Replacing Gun Liner Ref. ST-800 797-C 3/8 i n T o Reassemble Gun: Insert new liner . Install and tighten wire outlet guide. Cut liner off 3/4 in (20 mm) (3/8 in [9.5 mm] for aluminum) from head tube. Install adapter , contact tip, and nozzle. Lay gun cable out straight before installing new liner . Head tube 3/8 ...

  • AUTO ARC 255 - page 23

    OM-157 066 Page 19 4-7. Replacing Switch And/Or Head T ube Ref. ST-800 795-C 1 Remove handle locking nut. 2 Remove switch housing. Note : If installing new switch, push switch lead connectors onto terminal of new switch (polarity is not important). Install switch back into handle, and secure with handle locking nut. If replacing head tube, continue ...

  • AUTO ARC 255 - page 24

    OM-157 066 Page 20 4-8. T roubleshooting W elding T rouble Remedy No weld output; wire does not feed. Secure power cord plug in receptacle (see Section 2-12). Reset circuit breaker CB1 (see Section 4-2). Replace fuse F1 and/or F2 (see Section 4-3). Replace building line fuse or reset circuit breaker if open (see Section 2-12). Secure gun trigger pl ...

  • AUTO ARC 255 - page 25

    OM-157 066 Page 21 SECTION 5 – ELECTRICAL DIAGRAM SB-173 544-E Figure 5-1. Circuit Diagram For Welding Power Source ...

  • AUTO ARC 255 - page 26

    OM-157 066 Page 22 Notes ...

  • AUTO ARC 255 - page 27

    OM-157 066 Page 23 SECTION 6 – P ARTS LIST 1 Figure 6-2 – 2 3 5 6 8 9 10 11 12 13 14 16 15 17 18 Figure 6-6 - 20 ST-800 930-D . Hardware is common and not available unless listed. Figure 6-4 – 7 Figure 6-5 – 19 Figure 6-1. Main Assembly Description Part No. Dia. Mkgs. Item No. Figure 6-1. Main Assembly Quantity 1 146 168 P ANEL, center encl ...

  • AUTO ARC 255 - page 28

    OM-157 066 Page 24 Description Part No. Dia. Mkgs. Item No. Figure 6-1. Main Assembly Quantity 8 146 165 P ANEL, side LH 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 089 899 LA TCH, slide flush mtg hole 2 . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • AUTO ARC 255 - page 29

    OM-157 066 Page 25 ST-800 931-D . Hardware is common and not available unless listed. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 18 17 20 21 22 23 25 26 27 28 (Fig. 6 – 3) 29 30 31 24 19 Figure 6-2. Baffle, Center w/Components ...

  • AUTO ARC 255 - page 30

    OM-157 066 Page 26 Description Part No. Dia. Mkgs. Item No. Figure 6-2. Baffle, Center w/Components (Fig 6-1 Item 2) Quantity 1 058 427 RING, retaining spool 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 085 980 NUT , stl hex full .625-1 1 1 . . . . . . . . . . . . . ...

  • AUTO ARC 255 - page 31

    OM-157 066 Page 27 See T able 6-1 Drive Roll & Wire Guide Kits. 148 529-H . Hardware is common and not available unless listed. Figure 6-3. Wire Drive And Gears T able 6-1. Drive Roll And Wire Guide Kits IMPORT ANT : Base selection of drive rolls upon the following recommended usages: 1. V -Grooved rolls for hard wire. 2. U- Grooved rolls for s ...

  • AUTO ARC 255 - page 32

    OM-157 066 Page 28 Description Dia. Mkgs. Item No. Figure 6-3. Wire Drive And Gears (Fig 6-2 Item 28) Quantity Part No. 1 602 009 SCREW, .250-20 x 1.25 soc hd gr 8 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 172 075 CARRIER, drive roll w/components 1 . . . . . . . . . . . . . . . . . . . . ...

  • AUTO ARC 255 - page 33

    OM-157 066 Page 29 ST-802 288 . Hardware is common and not available unless listed. 1 2 3 6 7 8 9 10 11 12 13 14 15 16 17 18 5 4 Figure 6-4. Panel, Rear w/Components Description Dia. Mkgs. Item No. Figure 6-4. Panel, Rear w/Components (Fig 6-1 Item 7) Quantity Part No. 1 1 16 996 V AL VE, 1 15 V AC 2way 1 . . . . . . . . . . . . . . . . . . . . . . ...

  • AUTO ARC 255 - page 34

    OM-157 066 Page 30 ST-802 287 . Hardware is common and not available unless listed. 1 2 4 5 6 7 8 9 10 11 12 13 14 15 3 Figure 6-5. Panel, Front w/Components Description Part No. Dia. Mkgs. Item No. Figure 6-5. Panel, Front w/Components (Fig 6-1 Item 19) Quantity 1 148 956 HANDLE, switch 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • AUTO ARC 255 - page 35

    OM-157 066 Page 31 Ref. 800 792-B 1 234 56 7 8 9 10 14 17 11 12 11 12 13 9 15 16 Figure 6-6. Exploded View Of Gun ...

  • AUTO ARC 255 - page 36

    OM-157 066 Page 32 Quantity Description Part No. Item No. Figure 6-6. Exploded View Of Gun (Fig 1 Item 20) 1 200 258 NOZZLE, slip type .500 orf flush 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 ♦ 169 724 NOZZLE, slip type .500 orf .125 recess . . . . . . . . 1 ♦ 169 725 NOZZLE, s ...

  • AUTO ARC 255 - page 37

    Notes ...

  • AUTO ARC 255 - page 38

    Notes ...

  • AUTO ARC 255 - page 39

    Effective January 1, 2000 (Equipment with a serial number preface of “ LA ” or newer) This limited warranty supersedes all previous manufacturers warranties and is exclusive with no other guarantees or warranties expressed or implied. LIMITED W ARRANTY – Subject to the terms and conditions below , warrants to its original retail purchaser tha ...

  • AUTO ARC 255 - page 40

    PRINTED IN USA 1/00 Model Name Serial/Style Number Purchase Date (Date which equipment was delivered to original customer.) Distributor Address City State Zip Please complete and retain with your personal records. Always provide Model Name and Serial/Style Number. Contact your Distributor for: Welding Supplies and Consumables Options and Accessorie ...

Fabricante AUTO ARC Categoría Welder

Los documentos del dispositivo AUTO ARC 255 que obtenemos del fabricante se pueden dividir en varios grupos. Entre ellos están::
- dibujos técnicos AUTO ARC
- manuales de instrucciones 255
- hojas de producto AUTO ARC
- folletos informativos
- o etiquetas energéticas AUTO ARC 255
Todos son importantes, pero lo más importante desde el punto de vista del usuario de un dispositivo lo encontraremos en el manual de instrucciones AUTO ARC 255.

Un conjunto de documentos determinado como manual de instrucciones se divide también en tipos más detallados, tales como: instrucciones de montaje AUTO ARC 255, instrucciones de servicio, instrucciones cortas o instrucciones de usuario AUTO ARC 255. Dependiendo de la situación debes buscar el documento que necesitas. En nuestra página puedes consultar el manual de instrucciones más popular del producto AUTO ARC 255.

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El manual de instrucciones del dispositivo AUTO ARC 255, ¿cómo debería ser?
El manual de instrucciones, también determinado como el manual de usuario o simplemente instrucciones, es un documento técnico que tiene como objetivo ayudar a los usuarios a utilizar AUTO ARC 255. Las instrucciones normalmente las realiza un escritor técnico pero en un lenguaje comprensible para todos los usuarios de AUTO ARC 255.

El manual de instrucciones completo de AUTO ARC debe contener unos elementos básicos. Una parte de ellos es menos importante, como por ejemplo: la portada / la página principal o las páginas de autor. Sin embargo, lo demás debe facilitarnos la información más importante desde el punto de vista del usuario.

1. Introducción y pistas sobre cómo orientarse con el manual AUTO ARC 255 - Al principio de cada manual se deben encontrar las indicaciones acerca de la manera de usar un manual de instrucciones. Debe contener información sobre dónde encontrar el índice AUTO ARC 255, preguntas frecuentes o problemas más comunes – son los apartados más buscados por los usuarios de cada manual de instrucciones.
2. Índice - listados de todos los consejos acerca de AUTO ARC 255 que encontraremos en el documento
3. Consejos de uso de las funciones básicas del dispositivo AUTO ARC 255 - que deben facilitarnos los primeros pasos durante el uso de AUTO ARC 255
4. Troubleshooting - una secuencia sistematizada de acciones que nos ayudará a diagnosticar los problemas más importantes con AUTO ARC 255
5. FAQ - las preguntas frecuentes
6. Datos de contacto Información acerca de cómo encontrar los datos de contacto del fabricante / servicio de AUTO ARC 255 en cada país si no somos capaces de solucionar el problema por nuestra cuenta.

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