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Hobart Welding Products H-9B Gun manual

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Table of contents for the manual

  • Page 1

    H-9B Gun OM-225 333A 2006 − 06 Processes 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 File: Flux Cored (FCA W)[...]

  • Page 2

    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 .H[...]

  • Page 3

    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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Page 4

    [...]

  • Page 5

    OM-225 333 Page 1 SECTION 1 − SAFETY PRECAUTIONS FOR FCA W AND GMA W WELDING GUNS − READ BEFORE USING SR7_8/03 1-1. Symbol Usage Means Warning! Watch Out! There are possible hazards with this procedure! The possible hazards are shown in the adjoining symbols. This group of symbols means Warning! W atch Out! Possible ELECTRIC SHOCK and HOT P ART[...]

  • Page 6

    OM-225 333 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.S. Government Printing Of fice, May 1989): “. . . there is now a [...]

  • Page 7

    OM-225 333 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. CAUTION means possible minor injury or equipment damage can happen.[...]

  • Page 8

    OM-225 333 Page 4 3-3. Installing Gun Into W elding Power Source 803 497-A / Ref. 803 378-A Open pressure assembly . Remove screws (3) from cover, and remove cover from wire drive assembly. Insert gun cable through opening in front panel. Route weld cable, trigger leads, and gas hose through opening in drive housing. Reinstall cover and secure with[...]

  • Page 9

    OM-225 333 Page 5 3-4. Installing Contact T ip And Nozzle T ools Needed: Ref. 804 241-A Y T ur n off welding power source. 1 Nozzle Remove nozzle. 2 Contact Tip 3 Tip Adapter Thread welding wire through gun (see Section 3-5). Slide contact tip over wire and tighten tip into tip adapter . Install nozzle. 1 2 3 Flux Nozzle MIG Nozzle Use with flux co[...]

  • Page 10

    OM-225 333 Page 6 3-5. 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. Open pressure assembly . Push wire thru guides into gun liner; continue to h[...]

  • Page 11

    OM-225 333 Page 7 SECTION 4 − OPERA TION 4-1. Operating The Gun Ref. 804 240-A 1 T rigger Switch When pressed, energized wire feeds and shielding gas flows (if unit is equipped with optional gas solenoid). 1[...]

  • Page 12

    OM-225 333 Page 8 SECTION 5 − MAINTENANCE & TROUBLESHOOTING 5-1. Replacing Gun Contact Tip Ref. 804 241-A Y T ur n 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. Reinstall nozzle. T ools Needed: 1 2 3 5-2. Cle[...]

  • Page 13

    OM-225 333 Page 9 5-3. Replacing Gun Liner Ref. 804 241-A / 803 497-A / 803 837-A / 803 899-A T ools Needed: 8 mm / 10 mm Remove nozzle. Cut of f wire at contact tip, and remove contact tip and tip adapter . Open pressure assembly. Retract wire from liner onto spool. . Hold wire tightly to keep it from unraveling. Secure end of wire at spool. T wis[...]

  • Page 14

    OM-225 333 Page 10 5-3. Replacing Gun Liner (Continued) When liner exits cable at gun handle, guide liner into head tube. Continue to push liner until it exits end of head tube. Slide locking rings over top and bottom of handle, and secure by twisting rings clockwise 1/4 turn. Place other half of handle over head tube and cable. Be sure that cable [...]

  • Page 15

    OM-225 333 Page 1 1 5-4. Replacing Switch/Handle Y T ur n Off welding power source. Disconnect switch leads and remove switch. Connect leads to new switch (polarity is not important). Be sure trigger is properly installed into trigger slot. Reassemble in reverse order . Ref. 804 241-A / 804 242-A T wist top and bottom handle locking rings countercl[...]

  • Page 16

    OM-225 333 Page 12 5-5. Removing Gun From W elding Power Source 803 497-A / Ref. 803 378-A / 803 838-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. Disconnect gas hose from adapter (if unit is not equipped[...]

  • Page 17

    OM-225 333 Page 13 5-6. Routine Maintenance Y T u rn Off welding power source before maintaining. Each Spool Of Wire Blow Out Gun Casing Clean Nozzle And Check Contact Tip 3 Months Control Cord Gas Hose Gun Cable Replace Cracked Parts 5-7. T roubleshooting T rouble Remedy Wire does not feed; wire is not ener- gized; wire feeds unevenly Check contac[...]

  • Page 18

    OM-225 333 Page 14 SECTION 6 − P ARTS LIST 1 804 243-A 2 3 5 − See T able 6-1 4 6 7 7 Figure 6-1. H-9B Gun Description Part No. 225 397 Item No. Figure 6-1. H-9B Gun Quantity 1 169 715 NOZZLE, slip type .500 orf flush 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 ♦ 226 190 NOZZLE, [...]

  • Page 19

    Warranty Questions? Call 1-800-332-3281 7 AM − 6 PM EST hobart_warr 2/05 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. The expertise of the distributor and Hobart is t[...]

  • Page 20

    PRINTED IN USA © 2005 Hobart Welding Products. 6/05 Hoba rt W elding Product s An Illinois T ool W orks Compan y 600 W est Main Street Tr oy, O H 45373 USA For Technical Assi stance: Call1-800-332-3281 Fo r Lite ra ture Or Ne ar est Deal er: Call 1-877-Hobart 1 Model Name Serial/Style Number Purchase Date (Date which equipment was delivered to ori[...]