Manuale d’uso / di manutenzione del prodotto OM-948 del fabbricante Hobart Welding Products
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Processes OM-948 213 220B May 2003 H-9 Gun Description MIG (GMAW) W elding (Optional) Flux Cored (FCA W ) W elding Semi-Automatic, Air-Cooled Flux Cored (FCAW) And MIG (GMA W) W elding Gun Visit our website at www.
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 FOR FCA W AND GMA W WELDING GUNS – READ BEFORE USING 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1. Symbol Usage 1 . . . .
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OM-948 Page 1 SECTION 1 –SAFETY PRECAUTIONS FOR FCA W AND GMA W WELDING GUNS – READ BEFORE USING SR7_7/01 1-1. Symbol Usage Means Warning! Watch Out! There are possible hazards with this procedure! The possible hazards are shown in the adjoining symbols.
OM-948 Page 2 EMF INFORMA TION Th e following is a quotation from the General Conclusions Section of the U.S. Congress, Office of T echnology Assessment, Biological Effects of Power Frequency Electric & Magnetic Fields – Background Paper , OT A-BP-E-53 (W ashington, DC: U.
OM-948 Page 3 SECTION 2 – SAFETY INFORMA TION Read all safety messages throughout this manual. Obey all safety messages to avoid injury . Learn the meaning of W ARNING and CAUTION. 1 Safety Alert Symbol 2 Signal Word W ARNING means possible death or serious injury can happen.
OM-948 Page 4 3-3. Installing Gun Into Welding Power Source 803 497-A / Ref. 803 378-A Install cable end into drive housing with retaining ring between the two locating ribs. Position liner in groove so that black tubing end is flush with back of groove.
OM-948 Page 5 3-4. Threading Welding Wire 1 Wire Spool 2 Welding Wire 3 Inlet Wire Guide 4 Pressure Adjustment Knob 5 Drive Roll 6 Gun Cable Lay gun cable out straight. T ools Needed: 6 1 Pull and hold wire; cut off end. 4 in (102 mm) Remove gun nozzle and contact tip.
OM-948 Page 6 SECTION 4 – OPERA TION 4-1. Operating The Gun Ref. 803 495-A 1 T rigger Switch When pressed, energized wire feeds and shielding gas flows.
OM-948 Page 7 SECTION 5 – MAINTENANCE & TROUBLESHOOTING 5-1. Replacing Gun Contact Tip Ref. 803 496-B Y T u rn off welding power source. 1 Nozzle Remove nozzle. 2 Contact Tip 3 Tip Adapter Cut off welding wire at contact tip. Remove contact tip from tip adapter , and install new contact tip.
OM-948 Page 8 5-3. Replacing Gun Liner 803 496-B / 803 497-A Head T ube T ools Nee d e d : 8 mm / 10 mm Remove nozzle. Cut off wire at contact tip, and remove contact tip and tip adapter . 8 mm Open pressure assembly. Retract wire from liner onto spool.
OM-948 Page 9 5-3. Replacing Gun Liner (Continued) 8 mm When liner exits cable at gun handle, guide liner into head tube. Continue to push liner until it exits end of head tube. Lower top portion of handle onto bottom of handle. Slide locking ring over rear of handle, and secure with by twisting ring clockwise 1/4 turn.
OM-948 Page 10 5-4. Replacing Liner O-Ring 803 496-B / 803 497-A Head T ube T ools Nee d e d : 8 mm / 10 mm Remove nozzle. Cut off wire at contact tip, and remove contact tip and tip adapter . 8 mm Open pressure assembly. Retract wire from liner onto spool.
OM-948 Page 1 1 5-3. Replacing Liner O-Ring (Continued) 8 mm Push liner toward gun. If necessary , twist cable to ease installation. Guide liner into head tube. Continue to push liner until it exits end of head tube. Lower top portion of handle onto bottom of handle.
OM-948 Page 12 5-5. Replacing Switch And/Or Head T ube T ools N eeded: 8 mm, 1 1/16 in Remove nozzle, contact tip, and adapter . Secure head tube in vice. Loosen cable connector . Remove from vice and turn head tube out by hand. Hand-tighten head tube into cable connector .
OM-948 Page 13 5-6. Removing Gun From Welding Power Source 803 497-A / Ref. 803 378-A Pull weld cable, trigger leads, and gas hose through opening in drive housing. Pull gun cable out through opening in front panel. To reinstall gun see Section 3-3. Remove wrapper from unit.
OM-948 Page 14 5-7. Routine Maintenance Y T u rn Off welding power source before maintaining. Each Spool Of Wire Blow O u t Gun Casing Clean Nozzle And Check Contact Tip 3 Months Control Cord Gas Hose Gun Cable Replace Cracked Parts 5-8. T roubleshooting T rouble Remedy Wire does not feed; wire is not ener - gized; wire fee d s u n e v e n l y .
OM-948 Page 15 SECTION 6 – P ARTS LIST 1 803 499-B 2 3 6 4 8 – See T able 6-1 4 4 7 5 Figure 6-1. H-9 Gun Description Part No. 195 157 Item No. Figure 6-1. H-9 Gun Quanti ty 1 169 715 NOZZLE, slip type .500 orf flush 1 . . . . . . . . . . . . . . .
Notes W o r k l i k e a P r o ! Pros wel d and cut safel y . Read the safety rules at the begi nning of thi s m anual..
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Warranty Questions? Call 1-877-HOBART1 for your local Hobart distributor. hobart retail 6/02 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.
PRINTED IN USA 2003 Hobart Welding Products. 1/03 Hoba rt W elding Pr oducts An I l li noi s T ool Works Company 600 W est Main Street Troy , O H 45373 USA For T echni cal A ssistance: Call1-800-3.
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 OM-948 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 OM-948 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Hobart Welding Products OM-948 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Hobart Welding Products OM-948 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Hobart Welding Products OM-948, 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 OM-948.
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 OM-948. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Hobart Welding Products OM-948 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.
