ESAB MIGMASTER 250 Manuel d'instructions

Instruction ManualF15-087-P 03/2008Welding PackageMigMaster 250

10 1. Asegúrese de que el chasis de la fuente de poder esté conectado a tierra através del sistema de electricidad primario. 2. Conecte la

115. ADVERTENCIA-- Este producto cuando se uti-liza para soldaduras o cortes, produce humos o gases, los cuales contienen químicos conocid

12SIGNIFICADO DE LOS SIMBOLOS -- Según usted avanza en la lectura de este folleto: Los Símbolos Sig-nican ¡Atención! ¡Esté Alerta! Se trata de su seg

131.3 Safety - FrenchINCENDIES ET EXPLOSIONS -- La chaleur provenant des ammes ou de l'arc peut provoquer un incendie. Le laitier incandes

143. Les soudeurs doivent suivre les procédures suivantes pour minimiser l'exposition aux champs électriques et magnétiques : A. Acheminez l&a

151. Efforcez-vous de toujours confier les tâches d'installation, de dépannage et d'entretien à un personnel qualié. N'ee

16SIGNIFICATION DES SYMBOLESCe symbole, utilisé partout dans ce manuel, signie "Attention" ! Soyez vigilant ! Votre sécurité est en jeu.Sig

17SECTION 2 INTRODUCTIONDepending on the primary input voltage of the MM-250, and the torch length, each package includes the following: - One (1), M

182.3.6 RUNNING GEARThe Migmaster 250 is equipped with a running gear w/swiveled front wheels and a gas cylinder support. The rear wheels are packed

192.4.3 ST-23A SPOOL-ON-GUN TORCH, P/N 19164 (see F-14-353).The Migmaster 250 unit is equipped with a built-in control for the ST-23A Spool-

2This equipment will perform in conformity with the description thereof contained in this manual and accompa-nying labels and/or inserts when installe

202.4.5 TORCH / WIRE FEED ACCESSORIES See following tables:2.4.6 SPOOL SPACERFor 8" dia. spools ...

2140.00"19.50" 32.25" Overall3.1 LOCATION (Figure 3.1)A proper installation site should be selected for the welding machine, if th

22Figure 3.2 - Primary Connection208/230 MODEL ONLY (With Plug-Cap)208/230/380/400/460/575-V. MODELSSINGLE-PHASETHREE-PHASESINGLE-PHASETHREE-PHASEGRDG

23When changing the input voltage connections, the unused lead must be insulated and positioned to prevent contact with any other internal components

243.4 TORCH CONNECTIONSThe torch (GUNMASTER 250), which is supplied as standard equipment with the Migmaster 250 System, is provided with a euro-typ

25 OUTLETCONNECTIONCYLINDERPRESSUREGAUGEDo Not adapt R-33-FM-580 for use with CO2. Relief device may rupture if CO2 is used with the R-33-FM-580. For

26 h. Using a leak test solution, such as P/N 998771 (8 oz. con-tainer) or soapy water, test for leakage about the cylinder valve stem, the regulato

273.10 INSTALLING OPTIONAL DIGITAL METER a. Remove the top blank-cover plate from the upper-right front panel of the power supply -- save the fou

28SECTION 3 INSTALLATION

294.1 CONTROLS (See Figure 4.1)4.1.1 POWER SWITCHA line toggle switch on the front panel energizes the pri-mary of the main transformer. This s

3TABLE OF CONTENTSECTION NO. ...

30The FINE VOLTAGE ADJUSTMENT Selector is an eight-position switch by which the operator selects the exact amount of arc voltage (or heat) to be appli

31Figure 4.2.2 - Connecting Spool-On-Gun to Services4.2.3.1 ANTI-STICK WELDING OPERATIONAnti-Stick feature provides a time delay at the end of a w

32 C. Set the “coarse” and “ne” Voltage control switches and wire speed pot to the desired settings and begin welding operation as described

33Fig. 4.2.5 Duty Cycle Curves4.2.6 VOLT/AMPERE CURVES (Figure 4.2.6)The Volt/Ampere curves show the output Voltage available at any given output cu

34 E. Never operate the equipment at currents greater than the rated ampere capacity; overheating will occur. F. Never operate equipment in a d

35Power supply contactor becomes energized the moment the torch trigger is depressed. Arcing can occur if the wire is brought to a ground. Keep the to

36TABLE 4.3, Continuous /Stitch Weld ConditionsThis equipment is provided with a thermostat (OL) in the transformer (T1) windings which will open and

375.1 MAINTENANCEBe sure the branch circuit or main disconnect switch is o or electrical input circuit fuses are removed before attempting any

385.2.1.3 TRANSFORMEROccasional blowing out of the dust and dirt from around the transformer is recommended. This should be done periodical

395.3.3 SOLENOID VALVE REPLACEMENTWhen replacing the gas solenoid valve, the inlet (with the word IN) must face the rear of the Unit.Many troublesh

4TABLE OF CONTENT

40WELD CONDITION POSSIBLE CAUSE REMEDY c. Loose connection. c. Check all welding cable connections. d. Malfunctioning capacitor ban

41 WELD CONDITION POSSIBLE CAUSE REMEDY13.Wire does not feed; motor a. Kink, etc. in wire, or wire bound a. Straighten; or feed wire until run

42Figure 5.1 - Schematic Migmaster 250 for 208/230 V. ModelNOTE: Recent modications to the power source may not be reected in this schematic. For u

43Figure 5.2 - Schematic Migmaster 250 for 208/230/380/400/460/575 V. ModelNOTE: Recent modications to the power source may not be reected in this

44Figure 5.3 - Wiring Migmaster 250 for 208/230 V. ModelD-32861-F

45D-33311-DFigure 5.4 - Wiring Migmaster 250 for 208/230/380/400/460/575 V. Model

46SECTION 5 SERVICE

47SECTION 6 REPLACEMENT PARTS6.1 GeneralAlways provide the serial number of the unit on which the parts will be used. The serial number is stamped

48613,142521, 22, 231518, 19(Red Plug behind Item 28)811, 1220107282716, 1726243, 2925SECTION 6 REPLACEMENT PARTSFIGURE 6.1 MIGMASTER 250 SYSTEMS313

49* Photo shows optional Digital Volt/Ammeter Module, P/N 32857, and Spot/Stitch/Anti-Stick Control Module, P/N 32858.• Was 97W63, changed to 950769,

51.0 Safety Precautions1.1 Safety - EnglishWARNING: These Safety Precautions are for your protection. They summarize precaution-ary information fr

50FIGURE 6.2 MiGMASTER 250 Main Assembly (Left Side)19,2015,1622,235,25FAN ASSEMBLYSee Figure 6.47171814128642612124SECTION 6 REPLACEMENT PARTS2728

51 ITEM QTY. PART CKT. NO. REQ. NO. DESCRIPTION (Figure 6.2) DESIG. 1 1 33184M BASE 4 1 672225 INSULATOR STANDOFF 5 1 1373 6750

5212356,711191418169,1020FIGURE 6.3 MiGMASTER 250 Main Assembly (Right Side)SECTION 6 REPLACEMENT PARTS18" 2 AWG w/1/2" stud3/8" stu

53SECTION 6 REPLACEMENT PARTS + - DENOTES RECOMMENDED ON HAND SPARE PART - Added "D" Edition, 3/96* ITEM QTY PART CKT. NO.

54 ITEM QTY. PART CKT. NO. REQ. NO. DESCRIPTION (Detail "B" FAN) DESIG. 2 2 99511916 DIODE, SILICON, STRAIGHT POLARITY D1,

55 ITEM QTY. PART CKT. NO. REQ. NO. DESCRIPTION (HUB KIT) DESIG. 2360 5780 REEL HUB KIT (INCLUDES 1-8) 1 2 2360 0255 BRAKE, DISC

5612, 3456, 7891011121314SECTION 6 REPLACEMENT PARTSFIGURE 6.5b MIGMASTER 250 LEXAN HUB KIT0558005764 SPINDLE REPLACEMENT KIT*Spindle Replacement K

57ADDENDUMSECTIONHISTORY

582ROLL DRIVEN UPPER DRIVE STAND ORIGINAL TO MID1999 ITEM QTY. PART NO. REQ. NO. DESCRIPTION 0558001796 2 ROLL GEARED WIRE DRI

592ROLL UNDRIVEN UPPER DRIVE STAND MID1999 TO MID2000 ITEM QTY. PART NO. REQ. NO. DESCRIPTION 952939 2 ROLL WIRE DRIVE SYSTEM,

6 1. Be sure the power source frame (chassis) is con-nected to the ground system of the input power. 2. Connect the work piece to a good el

6078102418619* Items shown in exploded view for clarity.ITEM QTY. PART NO. REQ. NO. DESCRIPTION 0558001796 2 ROLL GEARED WIRE DRIVE SY

61NOTES

62NOTES

63The "G" edition (6/99) of this manual covers the following:1. Added contact tips modied for improved arc performance on steel and cored

F15-087-P 03/2008A. CUSTOMER SERVICE QUESTIONS: Telephone: (800)362-7080 / Fax: (800) 634-7548 Hours: 8:00 AM to 7:00 PM EST Order Entry Pro

7SECTION 1 SAFETY PRECAUTIONS5. WARNING: This product, when used for welding or cutting, produces fumes or gases which contain chemicals known t

85. AWS C5.5 - "Recommended Practices for Gas Tung-sten Arc Welding“6. AWS C5.6 - "Recommended Practices for Gas Metal Arc Welding"“7

91.2 Safety - SpanishADVERTENCIA: Estas Precauciones de Seguridad son para su protección. Ellas hacen resumen de información prove-niente de