Manuale d’uso / di manutenzione del prodotto 187 del fabbricante Hobart Welding Products
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Processes OM-228 187B 2010 − 01 Handler 187 And H100S2 − 10 Gun Arc W elding Power Source And Wire Feeder Description MIG (GMAW) W elding Flux Cored (FCA W ) W elding R.
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 specification sheets. T o locate your nearest distributor or service agency call 1-877-Hobart1 or visit our website at www .
T ABLE OF CONTENTS SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1. Symbol Usage 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T ABLE OF CONTENTS SECTION 9 − MIG WELDING (GMA W) GUIDELINES 32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1. T ypical MIG Process Connections 32 . . . . . . . . . . . . . . . . . . . . . . . . . .
OM-228 187 Page 1 SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING som _2009 − 08 7 Protect yourself and others from injury — read and follow these precautions. 1-1. Symbol Usage DANGER! − Indicates a hazardous situation which, if not avoided, will result in death or serious injury .
OM-228 187 Page 2 W elding produces fumes and gases. Breathing these fumes and gases can be hazardous to your health. FUMES AND GASES can be hazardous. D Keep your head out of the fumes. Do not breathe the fumes. D If inside, ventilate the area and/or use local forced ventilation at the arc to remove welding fumes and gases.
OM-228 187 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-228 187 Page 4 1-4. California Proposition 65 W arnings W elding or cutting equipment produces fumes or gases which contain chemicals known to the State of California to cause birth defects and, in some cases, cancer . (California Health & Safety Code Section 25249.
OM-228 187 Page 5 SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE A V ANT UTILISA TION fre_som_2009 − 08 7 Se protéger et protéger les autres contre le risque de blessure — lire et respecter ces consignes.
OM-228 187 Page 6 Il reste une TENSION DC NON NÉGLIGEABLE dans les sources de soudage onduleur UNE FOIS l’alimentation coupée. D Arrêter les convertisseurs, débrancher le courant électrique et décharger les condensateurs d’alimentation selon les instructions indiquées dans la partie Entretien avant de toucher les pièces.
OM-228 187 Page 7 LES ACCUMULA TIONS DE GAZ risquent de provoquer des blessures ou même la mort. D Fermer l’alimentation du gaz protecteur en cas de non-utilisation. D V eiller toujours à bien aérer les espaces confi- nés ou se servir d’un respirateur d’adduction d’air homologué.
OM-228 187 Page 8 Les PIÈCES MOBILES peuvent causer des blessures. D Ne pas s’approcher des organes mobiles. D Ne pas s’approcher des points de coincement tels que des rouleaux de commande. LES FILS DE SOUDAGE peuvent provoquer des blessures. D Ne pas appuyer sur la gâchette avant d’en avoir reçu l’instruction.
OM-228 187 Page 9 2-5. P r i nc ip al es n or me s d e sé cur it é Safety i n W elding, Cutting, and Allied Processes, ANSI Standard Z49.1, de Global Engineering Documents (téléphone : 1-877-413-5184, site Internet : www .
OM-228 187 Page 10.
OM-228 187 Page 1 1 SECTION 3 − DEFINITIONS 3-1. Symbols And Definitions A Amperage V V oltage Hz Hertz Negative Positive Direct Current (DC) Single Phase Input Output V oltage Input Of f On Do Not Switch While W elding Gas Metal Arc W elding (GMAW) Wire Feed Flux Cored Arc W elding (FCAW) SECTION 4 − SPECIFICA TIONS 4-1.
OM-228 187 Page 12 4-2. Duty Cycle And Overheating Duty Cycle is percentage of 10 minutes that unit can weld at rated load without overheating. If unit overheats, thermostat(s) opens, output stops, and cooling fan runs. W ait fifteen minutes for unit to cool.
OM-228 187 Page 13 SECTION 5 − INST ALLA TION 5-1. Installing Nozzle, Contact Tip, And Adapter 246 669-A ! T urn off welding power source. 1 Nozzle 2 Contact Tip 3 Tip Adapter . Wire s iz e stamped o n t ip − c heck and mat ch wire siz e. T ools Needed: 8 mm Head T ube 8 mm 1 3 2 5-2.
OM-228 187 Page 14 5-3. Installing Work Clamp 1 Nut 2 Work Cable From Unit 3 W ork Clamp 4 Screw 5 W ork Clamp T abs Bend tabs around work cable. 6 Insulating Sleeves Slide one insulating sleeve over work cable before connecting to clamp. Slide insulating sleeves over handles.
OM-228 187 Page 15 5-4. Process/Polarity T able Process Polarity Cable Connections Cable T o Gun Cable T o Work GMA W − Solid wire with shield- ing gas DCEP − Reverse polarity Connect to positive .
OM-228 187 Page 16 5-6. Installing Gas Supply Obtain gas cylinder and chain to running gear , wall, or other stationary support so cylinder cannot fall and break off valve. 1 Cap 2 Cylinder V alve Remove cap, stand to side of valve, and open valve slightly.
OM-228 187 Page 17 5-7. Selecting A Location And Connecting Input Power ! Special installation may be required where gasoline or volatile liquids are present − see NEC Article 51 1 or CEC Section 20. ! Installation must meet all Na- tional and Local Codes − have only qualified persons make this installation.
OM-228 187 Page 18 5-8. Electrical Service Guide Failure to follow these electrical service guide recommendations could create an electric shock or fire hazard. These recommenda- tions are for a dedicated branch circuit sized for the rated output and duty cycle of the welding power source.
OM-228 187 Page 19 5-10. Threading Welding Wire 1 Wire Spool 2 Welding Wire 3 Inlet Wire Guide 4 Pressure Adjustment Knob 5 Drive Roll 6 Gun Conduit Cable Lay gun cable out straight. T ools Needed: Pull and hold wire; cut off end. Remove gun nozzle and contact tip.
OM-228 187 Page 20 SECTION 6 − OPERATION 6-1. Controls 1 Wire Speed Control Us e control to select a wire feed speed. As V oltage switch setting increases, wire speed range also increases (see weld setting label in welding power source or Section 6-2 , as applicable).
OM-228 187 Page 21 Notes.
OM-228 187 Page 22 6-2. W eld Parameter Chart Flux Cored E71T − 11 “Set Polarity for (DCEN)” Solid Wire ER70S − 6 “Set Polarity for (DCEP)” Solid Wire ER70S − 6 “Set Polarity for (DCEP.
OM-228 187 Page 23 227 010-A 227010 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 2/40 1/25 4/60 3/50 5/40 5/40 5/40 4/60 3/50 3/30 5/80 5/60 5/50 5/60 5/50 5/40 5/50 4/35 6/90 6/60 6/50 6/80 6/50 6 / 40* 6/60 5/35 6 / 70*.
OM-228 187 Page 24 SECTION 7 − MAINTENANCE & TROUBLESHOOTING 7-1. Routine Maintenance ! 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-228 187 Page 25 7-4. Changing Drive Roll Or Wire Inlet Guide ! T urn off welding power source. 1 Inlet Wire Guide Securing Screw 2 Inlet Wire Guide Loosen screw .
OM-228 187 Page 26 7-5. Changing Nozzle, Contact Tip, Adapter And Liner , And Cleaning Gun Casing 246 669-A ! T urn off welding power source. 1 Nozzle 2 Contact Tip 3 Tip Adapter . Wire s iz e stamped o n t ip − c heck and mat ch wire siz e. T ools Needed: 8 mm, 10 mm Lay gun cable out straight before installing new liner .
OM-228 187 Page 27 7-6. Replacing Switch And/Or Head T ube 243 840-A T ools Needed: 15 mm Remove screws (5) and nuts (4). Remove handle halves. Hand-tighten head tube into cable connector . Place head tube in vice and tighten until nuts are tight. Remove from vice.
OM-228 187 Page 28 7-7. T roubleshooting T able T rouble Remedy No weld output; wire does not feed; fan does not run. Secure power cord plug in receptacle (see Section 5-7). Replace building line fuse or reset circuit breaker if open. Place Power switch in On position (see Section 6-1).
OM-228 187 Page 29 Notes.
OM-228 187 Page 30 SECTION 8 − ELECTRICAL DIAGRAM Figure 8-1. Circuit Diagram.
OM-228 187 Page 31 228 180-A.
OM-228 187 Page 32 SECTION 9 − MIG WELDING (GMA W) GUIDELINES mig1_2009 − 12 / Ref. 801 909-A Wire Feeder/ Power Source W orkpiece Gun Regulator/ Flowmeter Gas Shielding Gas W ork Clamp 9-1. T ypical MIG Process Connections ! W eld current can damage electronic parts in vehicles.
OM-228 187 Page 33 9-2. T ypical MIG Process Control Settings . These settings are guidelines only . Material and wire type, joint design, fitup, position, shielding gas, etc. affect settings. T est welds to be sure they comply to specifications. 3.5 x 125 A = 437 ipm 2 x 125 A = 250 ipm 1.
OM-228 187 Page 34 9-3. Holding And Positioning W elding Gun . W elding wire is energized when gun trigger is pressed. Before lowering helmet and pressing trigger , be sure wire is no more than 1/2 in. (13 mm) past e nd of nozzl e, an d tip of wir e is p ositi oned corre ctly on sea m.
OM-228 187 Page 35 9-4. Conditions That Affect Weld Bead Shape . Weld bead shape depends on gun angle, direction of travel, electrode extension (stickout), travel speed, thickness of base metal, wire feed speed (weld current), and voltage.
OM-228 187 Page 36 9-5. Gun Movement During Welding . Normally , a single stringer bead is satisfactory for most narrow groove weld joints; however , for wide groove weld joints or bridging acros s gaps, a weave bead or multiple stringer beads works better .
OM-228 187 Page 37 9-8. T roubleshooting − Excessive Spatter Excessive Spatter − scattering of molten metal particles that cool to solid form near weld bead. S-0636 Possible Causes Corrective Actions Wire feed speed too high. Select lower wire feed speed.
OM-228 187 Page 38 9-1 1. T roubleshooting − Lack Of Penetration Lack Of Penetration − shallow fusion between weld metal and base metal. Lack of Penetration Good Penetration S-0638 Possible Causes Corrective Actions Improper joint preparation. Material too thick.
OM-228 187 Page 39 9-14. T roubleshooting − W aviness Of Bead W aviness Of Bead − weld metal that is not parallel and does not cover joint formed by base metal. S-0641 Possible Causes Corrective Actions W elding wire extends too far out of nozzle.
OM-228 187 Page 40 9-16. Common MIG Shielding Gases This is a general chart for common gases and where they are used. Many different combinations (mixtures) of shielding gases have been developed over the years. The most commonly used shielding gases are listed in the following table.
OM-228 187 Page 41 Problem Remedy Probable Cause W elding arc not stable. Wire slipping in drive rolls. Adjust pressure setting on wire feed rolls. Replace worn drive rolls if necessary . W rong size gun liner or contact tip. Match liner and contact tip to wire size and type.
OM-228 187 Page 42 SECTION 10 − P ARTS LIST . Hardware is common and not available unless listed. 804 624-A 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 34 32 31 49 43 48 47 46 45 44 51 50 36 35 42 41 40 38 39 37 30 33 52 53 54 Figure 10-1.
OM-228 187 Page 43 Description Part No. Dia. Mkgs. Item No. Figure 10-1. Main Assembly Quantity 1 199 566 DOOR, access 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OM-228 187 Page 44 Description Part No. Dia. Mkgs. Item No. Figure 10-1. Main Assembly (Continued) Quantity 40 196 574 SWITCH, rocker DPST 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OM-228 187 Page 45 246 670-A 1 23 4 5 6 7 8 7 11 9 12 13 10 Figure 10-2. H100S2-10 Gun Description Part No. Dia. Mkgs. 245 924 Item No. Figure 10-2. H100S2-10 Gun Quantity 1 169 715 NOZZLE, slip type .500 orf flush 1 . . . . . . . . . . . . . . . . . .
OM-228 187 Page 46 10-3. Optional Drive Rolls For All Feed Head Assemblies P ART NO. WIRE DIAMETER INCHES (mm) 237 338 .023/.025 (.6) and .030/.035 (.8 and .9) 202 926 .030/.035 (.8 and .9) and .045 (1.2 VK Groove) 10-4. Options P ART NO. DESCRIPTION REMARKS 770 187 Running Gear/Cylinder Rack For One Small Gas Cylinder , 100 lb (45 kg) max.
Warranty Questions? Call 1-800-332-3281 7 AM − 6 PM EST hobart_warr 2009 − 01 Service Y o u 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 or call 1-800-332-3281.
ORIGINAL INSTRUCTIONS − PRINTED IN USA © 2009 Hobart Welding Products. 2009 − 01 Hoba rt We lding Pr oducts An Illinois T ool W orks Compa ny 600 W est Main St r eet Tr oy , OH 45373 USA For T ec.
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 Hobart Welding Products 187 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 Hobart Welding Products 187 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Hobart Welding Products 187 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Hobart Welding Products 187 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Hobart Welding Products 187, 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 Hobart Welding Products 187.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Hobart Welding Products 187. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Hobart Welding Products 187 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.
