Gebruiksaanwijzing /service van het product 2250 van de fabrikant Hobart Welding Products
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BET A-MIG 2250 Processes OM - 192 440A November 1998 Specifications Covered by this Manual: 903 702 Gas Metal Arc (MIG) W elding Flux Cored Arc (FCAW) W elding Descrip tio n Arc Welding Power Source a.
Hobart W elders manufactures a full line of welders and welding related equipment. For information on other quality Hobart products, contact your local Hobart distributor to receive the latest full line catalog or individual catalog sheets. T o locate your nearest distributor or service agency call 1-877-Hobart1.
T ABLE OF CONTENTS SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1. Symbol Usage 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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OM-192 440 Page 1 SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING som _nd_5/97 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-192 440 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 of f 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.
OM-192 440 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-192 440 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.
OM-192 440 Page 5 SECTION 1 – CONSIGNES DE SECURITE – LIRE A V ANT UTILISA TION som _nd_fre 5/97 1-1. Signification des symboles Signifie Mise en garde ! Soyez vigilant ! Cette procédure présente des risques de danger ! Ceux-ci sont identifiés par des symboles adjacents aux directives.
OM-192 440 Page 6 Le rayonnement de l’arc du procédé de soudage génère des rayons visibles et invisibles intenses (ultraviolets et infrarouges) susceptibles de provoquer des brûlures dans les yeux et sur la peau. Des étincelles sont projetées pendant le soudage.
OM-192 440 Page 7 1-3. Dangers supplémentaires en relation avec l’installation, le fonctionnement et la maintenance Risque D’INCENDIE OU D’EXPLOSION.
OM-192 440 Page 8 1-4. Principales normes de sécurité Safety in W elding and Cutting, norme ANSI Z49.1, de l’American Wel- ding Society , 550 N.W . Lejeune Rd, Miami FL 33126 Safety and Health Sandards, OSHA 29 CFR 1910, du Superintendent of Documents, U.
OM-192 440 Page 9 SECTION 2 – INTRODUCTION 2-1. Specifications Max. Open Circuit Amps Input at Rated Output, 50 or 60 Hz, Single-Phase Rated Output Max. Open Circuit V oltage 200 V 230 V KV A KW 200 A at 24 VDC, 60% Duty Cycle 35 40 1.1* 35 1.3* 8 0.
OM-192 440 Page 10 2-3. V olt-Ampere Curves V olt-ampere curves show minimum and maximum voltage and amper- age output capabilities of unit. Curves of other settings fall be- tween curves shown. va_curve1 4/95 – SB-192 436 2-4. Installing Welding Gun Ref.
OM-192 440 Page 1 1 2-5. Installing Work Clamp 1 Work Cable Route cable out front panel opening from inside. 2 Negative (–/Black) Output T erminal Connect cable to terminal. 3 Hardware 4 W ork Clamp Route cable through clamp handle and secure as shown.
OM-192 440 Page 12 2-7. Installing Gas Supply Ref. ST-801 789 / Ref. ST -149 827-B / Ref. ST-158 697-A 1 T ools Ne eded: 2 CO 2 Gas 4 5 1 Argon Gas OR 3 Chain gas cylinder to running gear , wall, or other stationary support so cylinder cannot fall and break off valve.
OM-192 440 Page 13 2-9. Changing Input V oltage From 230 V olts T o 200 V olts Ref. ST-802 287 Cut cable ties as necessary . 1 230 V olt T ransformer Lead/Fan Lead 2 Black Switch Lead 3 T ubing Locate lead marked 230 V A C. Slide tubing down and disconnect black switch lead from splice.
OM-192 440 Page 14 2-1 1. Selecting A Location And Connecting Input Power ST-802 286 1 Rating Label Supply correct input power . 2 Plug 3 Receptacle Connect plug to receptacle. 4 Input And Grounding Conductors Connect directly to line disconnect device if hard wiring is required.
OM-192 440 Page 15 2-12. Threading Welding Wire Ref. ST-802 285 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. T ools Needed: 6 in (150 mm) Pull and hold wire; cut off end.
OM-192 440 Page 16 SECTION 3 – OPERA TION 3-1. Controls 1 Wire Speed Control Th e scale around the control is per- cent, not wire feed speed. 2 V oltage Control The higher the selected number , the thicker the material that can be welded (see welding guide and Section 3-2).
OM-192 440 Page 17 3-2. W eld Parameters WIRE TYPE WIRE MACHINE MA TERIAL THICKNESS GAS SIZE SETTINGS* 3/8 5/16 1/4 3/16 12GA 14GA 16GA 18GA 20GA 22GA FLOW RA TE .023” VOL T AGE – – 6 5 4 3 3 2 2 1 0.6MM WIRESPEED – – 100 85 75 60 50 36 30 15 E70S–6 .
OM-192 440 Page 18 SECTION 4 – MAINTENANCE AND TROUBLESHOOTING 4-1. Routine Maintenance Y Disconnect power before maintaining. 3 Months Replace unreadable labels. Repair or replace cracked weld cable. Clean and tighten weld terminals. 6 Months Blow out or vacuum inside.
OM-192 440 Page 19 4-3. Replacing Drive Roll And Wire Inlet Guide Ref. ST-801 875 1 Inlet Wire G u i d e S e c u r i n g Screw 2 Inlet Wire Guide Loosen screw . Slide tip as close to drive rolls as possible without touching. Ti ghten screw . 3 Drive Roll Install correct drive roll for wire size and type.
OM-192 440 Page 20 4-5. Cleaning Or Replacing Piecemaker 20-A Gun Liner Ref. ST-802 290 7/16 in T o Reassemble Gun: Inspect o-rings for chips or cuts be- fore inserting new liner . A light lu- brication on the o-rings will make liner instal l a t i o n e a s i e r .
OM-192 440 Page 21 4-6. W elding T roubleshooting T able W elding T rouble Remedy No weld output; wire does not feed. Secure power cord plug in receptacle (see Section 2-1 1). Check and replace power switch if necessary . Check circuit breakers CB1 and/or CB2, and reset if necessary (see Section 4-2).
OM-192 440 Page 22 SECTION 5 – ELECTRICAL DIAGRAM SC-192 433 Figure 5-1. Circuit Diagram For Welding Power Source.
OM-192 440 Page 23 Notes.
OM-192 440 Page 24 SECTION 6 – P ARTS LIST ST-802 281 . Hardware is common and not available unless listed. 1 2 3 4 5 6 7 8 9–(Fig. 6-2) 10–(Fig.
OM-192 440 Page 25 Description Part No. Dia. Mkgs. Item No. Quanti ty Figure 6-1. Main Assembly 1 146 165 P ANEL, side 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OM-192 440 Page 26 ST-802 284-A . Hardware is common and not available unless listed. 1 2 3 4 5 6 7 8 9 12 13 14 11 10 15 16 17 19 20 35 22 26 27 28 29 30 31 32 33 34 25 24 23 18 21 Figure 6-2.
OM-192 440 Page 27 Description Part No. Dia. Mkgs. Item No. Quanti ty Figure 6-2. Center Baffle w/Components (Fig 6-1 Item 9) 1 058 427 RING, retaining spool 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OM-192 440 Page 28 ST-802 283 . Hardware is common and not available unless listed. 1 2 3 4 5 6 7 8 9 10 Figure 6-3. Rear Panel w/Components Description Part No. Dia. Mkgs. Item No. Quanti ty Figure 6-3. Rear Panel w/Components (Fig 6-1 Item 10) 1 049 399 NUT , 312–18 push-on 1 .
OM-192 440 Page 29 ST-802 282 . Hardware is common and not available unless listed. 1 2 3 4 5 6 7 8 10 11 9 Figure 6-4. Front Panel w/Components Description Part No. Dia. Mkgs. Item No. Quanti ty Figure 6-4. Front Panel w/Components (Fig 6-1 Item 17) 1 143 974 HANDLE 1 .
OM-192 440 Page 30 . Hardware is common and not available unless listed. Scan 28 29 30 31 Figure 6-5. Gun And Cable Assembly , Piecemaker 20-A Description Part No. Item No. Figure 6-5. Gun And Cable Assembly , Piecemaker 20-A Quanti ty 1 379 300 NOZZLE, slip on assembly 1 .
OM-192 440 Page 31 Description Part No. Item No. Figure 6-5. Gun And Cable Assembly , Piecemaker 20-A (Continued) Quanti ty 8 177 480H FITTING, cable 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Effective January 1, 1997 This limited warranty supersedes all previous manufacturers warranties and is exclusive with no other guarantees or warranties expre ssed or implied.
PRINTED IN USA 1998 Hobart Welding Products. 1/00 Hoba rt We lding Pr oduct s An I l li noi s T ool Works Company 600 West M ain S treet Troy , OH 45373 US A For Technical Assi stance: Call1-800-3.
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