Instruction/ maintenance manual of the product 333 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).
Notes.
Notes.
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.
An important point after buying a device Miller Electric 333 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Miller Electric 333 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Miller Electric 333 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Miller Electric 333 you will learn all the available features of the product, as well as information on its operation. The information that you get Miller Electric 333 will certainly help you make a decision on the purchase.
If you already are a holder of Miller Electric 333, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Miller Electric 333.
However, one of the most important roles played by the user manual is to help in solving problems with Miller Electric 333. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Miller Electric 333 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
