Manuale d’uso / di manutenzione del prodotto 271 del fabbricante Miller Electric
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Migmatic 271/273/293/333/383 Processes Description MIG (GMAW) W elding Flux Cored (FCA W ) W elding Arc Welding Power Source Wire Feeder OM-223 194E 2006 − 09 Effective with serial number 226 213 www.
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 .
T ABLE OF CONTENTS SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1. Symbol Usage 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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).
OM-223 194 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 i n the adjoining symbols.
OM-223 194 Page 2 Arc rays from the w elding process produce intense visible and invisible (ultraviolet and infrared) rays that can burn eyes and skin.
OM-223 194 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.
OM-223 194 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 .
OM-223 194 Page 5 SECTION 2 − DEFINITIONS W arning! Watch Out! There are possible hazards as shown by the symbols. 1 Electric shock can kill. 1.1 W ear dry insulating gloves. Do not touch electrode with bare hand. Do not wear wet or damaged gloves. 1.
OM-223 194 Page 6 W arning! W atch Out! There are possible hazards as shown by the symbols. Electric shock from wiring can kill. Disconnect input plug or power before working on machine.
OM-223 194 Page 7 1 Warning! W atch Out! There are possible hazards as shown by the symbols. 2 Electrical shock from wiring can kill. 3 Read Owner ’ s Manual before working on this machine 4 Wear approved safety glasses 5 Electrode Positive (Straight Polarity) Place terminal strips as shown.
OM-223 194 Page 8 SECTION 3 − INST ALLA TION 3-1. Specifications Max. Rated Input Amperage Rated Output Max . Open Ci i Rated Input Amperage at Rated Output Di i Wi h t Model 100% 60% 20% Open Circuit V oltage 220/230 V AC 50Hz Dimension (mm) W eight (kg) 271 1 10 A 20.
OM-223 194 Page 9 3-2. Duty Cycle And Overheating 6 Minutes W elding 4 Minutes Resting Duty Cycle is percentage of 10 min- utes that unit can weld at rated load without overheating. If unit overheats, thermostat(s) opens, output stops, and cooling fan runs.
OM-223 194 Page 10 3-4. Installing Gas Supply Ref. ST-148 265-B / Ref. ST -149 827-B / Ref. ST-158 697-A 2 CO 2 Gas 1 Argon Gas OR 3 Chain gas cylinder to running gear , wall, or other stationary support so cylinder cannot fall and break off valve. 1 Regulator/Flow Gauge Install so face is vertical.
OM-223 194 Page 1 1 3-6. Positoning Jumper Links (230/400V 3-Phase Models) 230 V 400 V 3-7. Electrical Service Guide Migmatic Model 271 273 293 333 383 Input V oltage 230 230 400 230 400 230 400 230 4.
OM-223 194 Page 12 3-8. Selecting a Location and Connecting Input Power (1-Phase and 3-Phase) Have only qualified persons make this installation. 1 Rating Label Supply correct input power .
OM-223 194 Page 13 3-9. Installing Drive Rolls and Wire Guide 1 Securing Screw 2 Inlet Wire Guide Loosen screw . Slide tip as close to drive rolls as possible without touching. T ighten screw . 3 Anti-W ear Guide Install guide as shown. 4 Drive Roll The drive roll consists of two dif fer- ent sized grooves.
OM-223 194 Page 14 3-1 1. Threading W elding Wire and Adjusting Pressure Roll T ension 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 35 6 2 1 T ools Needed: 150 mm .
OM-223 194 Page 15 Ref. 802 726-A 1 Side Panel 2 Latch 3 Cable Holder Press latch down to release and open door . 4 Holster (2) W rap cable around cable holder , and place gun nozzle into holster .
OM-223 194 Page 16 SECTION 4 − OPERA TION 4-1. Controls for Migmatic 271/273 1 2 3 4 5 6 7 8 1 V oltage Control T urn control clockwise to increase voltage.
OM-223 194 Page 17 4-3. Controls for Migmatic 383 1 2 3 4 7 8 9 10 5 1 V oltage Control (Fine Adjust) T urn control clockwise to increase voltage. 2 V oltage Control (Coarse Adjust) T urn control clockwise to increase voltage.
OM-223 194 Page 18 SECTION 5 − MAINTENANCE &TROUBLESHOOTING 5-1. Routine Maintenance Y Disconnect power before maintaining. . Maintain more often during severe conditions. 3 Months Replace unreadable labels Repair or replace cracked weld cable Clean and tighten weld terminals 6 Months Blow out or vacuum inside.
OM-223 194 Page 19 5-4. T roubleshooting T rouble Remedy No weld output; wire does not feed. Be sure line disconnect switch is On (see Section 3-8). Replace building line fuse or reset circuit breaker if open. Reset circuit breaker CB1 (see Section 5-2).
OM-223 194 Page 20 Notes.
OM-223 194 Page 21 SECTION 6 − ELECTRICAL DIAGRAMS 271 − Sept 27, 2005 W ARNING Electric Shock Hazard S Do not touch live electrical parts. S Disconnect input power or stop engine before servicing. S Do not operate with covers removed. S Have only qualified persons install, use, or service this unit.
OM-223 194 Page 22 273 − Sept 27, 2006 W ARNING Electric Shock Hazard S Do not touch live electrical parts. S Disconnect input power or stop engine before servicing. S Do not operate with covers removed. S Have only qualified persons install, use, or service this unit.
OM-223 194 Page 23 293 − Sept 27, 2006 W ARNING Electric Shock Hazard S Do not touch live electrical parts. S Disconnect input power or stop engine before servicing. S Do not operate with covers removed. S Have only qualified persons install, use, or service this unit.
OM-223 194 Page 24 333 − Sept 27, 2005 W ARNING Electric Shock Hazard S Do not touch live electrical parts. S Disconnect input power or stop engine before servicing. S Do not operate with covers removed. S Have only qualified persons install, use, or service this unit.
OM-223 194 Page 25 383 − Sept 27 2005 W ARNING Electric Shock Hazard S Do not touch live electrical parts. S Disconnect input power or stop engine before servicing. S Do not operate with covers removed. S Have only qualified persons install, use, or service this unit.
OM-223 194 Page 26 SECTION 7 − P ARTS LIST Figure 7-1. W rapper Assembly , All Models.
OM-223 194 Page 27 Description Part No. Item No. Figure 7-1. W rapper Assembly , All Models Quantity 1 156034005 Catch, side panel 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OM-223 194 Page 28 April 17, 2006 Figure 7-2. Main Assembly for Migmatic 271.
OM-223 194 Page 29 Description Part No. Dia. Mkgs. Item No. Figure 7-2. Main Assembly for Migmatic 271 Quantity 1 000197555 T ool tray 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OM-223 194 Page 30 April 17, 2006 Figure 7-3. Main Assembly for Migmatic 273.
OM-223 194 Page 31 Description Part No. Dia. Mkgs. Item No. Figure 7-3. Main Assembly for Migmatic 273 Quantit y 1 000197555 T ool tray 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OM-223 194 Page 32 April 17, 2006 Figure 7-4. Main Assembly for Migmatic 293.
OM-223 194 Page 33 Description Part No. Dia. Mkgs. Item No. Figure 7-4. Main Assembly for Migmatic 293 Quantity 230/400 400 Model 1 000197555 T ool tray 1 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OM-223 194 Page 34 April 17, 2006 Figure 7-5. Main Assembly for Migmatic 333.
OM-223 194 Page 35 Description Part No. Dia. Mkgs. Item No. Figure 7-5. Main Assembly for Migmatic 333 Quantity 230/400 400 Model 1 000197555 T ool tray 1 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OM-223 194 Page 36 April 17, 2006 Figure 7-6. Main Assembly for Migmatic 383.
OM-223 194 Page 37 Description Part No. Dia. Mkgs. Item No. Figure 7-6. Main Assembly for Migmatic 383 Quantity 230/400 400 Model 1 000197555 T ool tray 1 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OM-223 194 Page 38 See T able 7-1 Drive Roll & Wire Guide Kits . Hardware is common and not available unless listed. Figure 7-7. Wire Drive and Gears (2 roll) Description Part No. Item No. Figure 7-7 Wire Drive and Gears Quantity 1 057010052 Motor , 24 VDC 185 rpm 1 .
OM-223 194 Page 39 See T able 7-2 Drive Roll & Wire Guide Kits . Hardware is common and not available unless listed. Figure 7-8. Wire Drive and Gears (4 roll) Description Part No. Item No. Figure 7-8 Wire Drive and Gears Quantity 1 057010051 Motor , 24 VDC 185 rpm 1 .
OM-223 194 Page 40 T able 7-1. Drive Roll And Wire Guide Kits (2 Roll Models) 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).
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Effective January 1, 2006 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.
PRINTED IN USA © 2006 Miller Electric Mfg. Co. 1/06 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.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Miller Electric 271 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Miller Electric 271 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Miller Electric 271 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Miller Electric 271 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Miller Electric 271, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Miller Electric 271.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Miller Electric 271. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Miller Electric 271 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
