Instruction/ maintenance manual of the product Spectrum 2050 Miller Electric
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Visit our website at w ww .Mi llerWelds.co m Spectrum 2050 Processes Descrip tio n Air Plasma Cutting and Gouging Air Plasma Cutter OM -2220 190 444H November 1999 R.
Miller Electric manufactures a full line of welders and welding related equipment. For information on other quality Miller products, contact your local Miller distributor to receive the latest full line catalog or individual catalog sheets. T o locate your nearest distributor or service agency call 1-800-4-A-Miller , or visit us at www .
T ABLE OF CONTENTS SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1. Symbol Usage 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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OM-2220 Page 1 SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING pom _nd_9/98 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.
OM-2220 Page 2 D On inverter power sources, failed parts can ex- plode or cause other parts to explode when power is applied. Always wear a face shield and long sleeves when servicing inverters. EXPLODING P ARTS can injure. Sparks and hot metal blow out from the cutting arc.
OM-2220 Page 3 1-3. Additional Symbols For Installation, Operation, And Maintenance HOT P ARTS can cause severe burns. D Do not touch hot parts bare handed. D Allow cooling period before working on torch. MOVING P ARTS can cause injury . D Keep away from moving parts such as fans.
OM-2220 Page 4 1-4. Principal Safety Standards Safety in Welding and Cutting , ANSI Standard Z49.1, from American W elding Society , 550 N.W . LeJeune Rd, Miami FL 33126 Safety and Health Standards , OSHA 29 CFR 1910, from Superinten- dent o f Documents, U.
OM-2220 Page 5 SECTION 1 – CONSIGNES DE S É CURIT É – LIRE A V ANT UTILISA TION pom_nd_fre_5/97 1-1. Signification des symboles Signifie Mise en garde ! Soyez vigilant ! Cette proc é dure pr é sente des risques de danger ! Ceux-ci sont identifi é s par des symboles adjacents aux directives.
OM-2220 Page 6 D N ’ approchez pas le tube du chalumeau et l ’ arc pilote lorsque la g â chette est enfonc é e. D Le c â ble de masse doit ê tre pinc é correctement sur la pi è ce à couper .
OM-2220 Page 7 1-3. Dangers suppl é mentaires en relation avec l ’ installation, le fonctionnement et la maintenance DES PIECES CHAUDES peuvent pro- voquer des br û lures graves. D Ne pas toucher des parties chaudes à mains nues. D Laisser refroidir avant d ’ intervenir sur la torche.
OM-2220 Page 8 1-5. Information sur les champs é lectromagn é tiques Donn é es sur le soudage é lectrique et sur les ef fets, pour l ’ organisme, des champs magn é tiques basse fr é quence Le courant de soudage ou de coupage passant dans les c â bles de puis- sance c r é e des causera des champs é lectromagn é tiques.
OM-2220 Page 9 SECTION 2 – INST ALLA TION 2-1. Specifications For any single or three phase voltage from 208 V to 575 V , the Amperes Input at Rated Load Output is the same for 50 Hertz or 60 Hertz input power . For example, the amperes input for 230 V , 50 Hz, single-phase input power is 33 amperes.
OM-2220 Page 10 6 Minutes Cutting 4 Minutes Resting 2-2. Duty Cycle and Overheating Duty Cycle is percentage of 10 m i n- utes that unit can cut at rated load without overheating. If unit overheats, thermostat(s) opens, output stops, and cooling fan runs.
OM-2220 Page 1 1 2-4. Selecting a Location loc_2 3/96 - Ref. ST-151 556 / ST -802 183 1 Lifting Handles Use handles to lift unit. 2 Hand Cart Use cart or similar device to move unit. 3 Rating Data on Rear Nameplate Use rating data to determine input power needs.
OM-2220 Page 12 2-5. Connecting W ork Clamp and Gas/Air Supply 1 Work Clamp 2 W orkpiece Connect work clamp to a clean, paint-free location on workpiece, as close to cutting area as possible. . Use only clean, dry air with 90 to 150 psi (620 to 1035 kPa) pressure.
OM-2220 Page 13 50 Hz Models Single Phase Three Phase Input V oltage 230 230 380 400 415 Input Amperes At Rated Output 33 20 10 10 10 Max Recommended Standard Fuse Rating In Amperes 1 Time-Delay 2 40 .
OM-2220 Page 14 2-8. Connecting Input Power L1 input_2 3/96 - Ref. ST-144 221 / Ref. ST -070 399-C / ST-802 183 Check input voltage available at site. . Th e Auto-Line E circuitry in this unit automatically adapts the power source to the primary voltage being applied, from 2 0 8 to 575 volts, single- or three- phase, 50 or 60 H z .
OM-2220 Page 15 SECTION 3 – OPERA TION 3-1. Controls 1 Gas/Air Pressure Gauge 2 Gas/Air Pressure Control 3 Output Control Use control to select cutting output in am- peres. Gas/air automatically flows at the set pressure. Us e Gas/Air Set area of control range for set- ting gas/air pressure (see Section 3-2).
OM-2220 Page 16 1 Output Control 2 Power Switch Place controls as indicated above. Only gas/ air circuit is activated when the Power switch is turned On with Output Control in Gas/Air Set position. 3 Gas/Air Pressure Adjustment Knob Pull knob and turn to adjust pressure.
OM-2220 Page 17 3-3. Sequence of Operation Put On Personal Safety Equipment After cutting arc starts, slowly start moving torch across metal. Adjust torch speed so sparks go thru metal and out bottom of cut. Pause briefly at end of cut before releasing trigger .
OM-2220 Page 18 SECTION 4 – MAINTENANCE & TROUBLESHOOTING 4-1. Routine Maintenance Y Disconnect power before maintaining. . Maintain more often during severe conditions.
OM-2220 Page 19 4-2. T rouble Lights 1 Pressure Light Lights if gas/air pressure is below 40 PSI (276 kPa). Tur n power Of f, and check for prop- er gas/air pressure (see Section 3-2). 2 Cup Light Lights if shield cup is loose. T urn power Off, and check shield cup connection (see torch Owner ’ s Manual).
OM-2220 Page 20 4-4. T roubleshooting T rouble Remedy No pilot arc; dif ficulty in establishing an arc. Clean or replace worn consumables as necessary (see torch Owner ’ s Manual). Check for damaged torch or torch cable (see torch Owner ’ s Manual).
OM-2220 Page 21 Notes.
OM-2220 Page 22 SECTION 5 – ELECTRICAL DIAGRAM Figure 5-1. Circuit Diagram For Power Source.
OM-2220 Page 23 197 286-A.
OM-2220 Page 24 SECTION 6 – P ARTS LIST ST-802 184-E . Hardware is common and not available unless listed. 4 5 6 10 11 16 22 23 37 39 43 52 53 19 12 13 15 49 50 27 28 51 28 25 Figure 6-1.
OM-2220 Page 25 Description Part No. Dia. Mkgs. Item No. Figure 6-1. Main Assembly Quantity 1 187 782 WRAPPER 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Notes.
Warranty Questions? Call 1-800-4-A-MILLER for your local Miller distributor. miller_warr 7/00 Y our distributor also gives you ... Service Y ou always get the fast, reliable response you need. Most replacement parts can be in your hands in 24 hours. Support Need fast answers to the tough welding questions? Contact your distributor .
PRINTED IN USA 2000 Miller Electric Mfg. Co. 6/00 Miller Elect ric Mfg. Co. An I l li noi s T ool Works Company 1635 West Spenc er St reet Applet on, W I 54914 US A International He adquarte rs .
An important point after buying a device Miller Electric Spectrum 2050 (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 Spectrum 2050 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 Spectrum 2050 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Miller Electric Spectrum 2050 you will learn all the available features of the product, as well as information on its operation. The information that you get Miller Electric Spectrum 2050 will certainly help you make a decision on the purchase.
If you already are a holder of Miller Electric Spectrum 2050, 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 Spectrum 2050.
However, one of the most important roles played by the user manual is to help in solving problems with Miller Electric Spectrum 2050. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Miller Electric Spectrum 2050 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
