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Hobart Welding Products OM-184 693C manual

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Table of contents for the manual

  • Page 1

    Processes OM-184 693C March 2000 Olympic 30A Description MIG (GMA W) Welding Feeder Gun[...]

  • 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 catalog sheets. T o locate your nearest distributor or service agency call 1-877-Hobart1. Thank you and congratulations on ch[...]

  • Page 3

    T ABLE OF CONTENTS SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1. Symbol Usage 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2. Arc Welding Hazards 1 . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Page 4

    [...]

  • Page 5

    OM-184 693 Page 1 SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING som _nd_4/98 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.  Marks a special safety message.  Means “Note”; not safety related. This group of symbols means W arning![...]

  • Page 6

    OM-184 693 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 off from the weld. ARC RA YS can burn eyes and skin.  Wea r a welding helmet fitted with a proper shade of filter to protect your face and eyes when welding or watching (see ANSI Z49.1 [...]

  • Page 7

    OM-184 693 Page 3 1-3. Additional Symbols For Installation, Operation, And Maintenance FIRE OR EXPLOSION hazard.  Do not install or place unit on, over , or near combustible surfaces.  Do not install unit near flammables.  Do not overload building wiring – be sure power supply system is properly sized, rated, and protected to handle this[...]

  • Page 8

    OM-184 693 Page 4 1-5. EMF Information Considerations About W elding And The Effects Of Low Frequency Electric And Magnetic Fields Welding current, as it flows through welding cables, will cause electro- magnetic fields. There has been and still is some concern about such fields. However , after examining more than 500 studies spanning 17 years of [...]

  • Page 9

    OM-184 693 Page 5 SECTION 2 – INST ALLA TION 2-1. Specifications Wire Diameter Range Approximate Wire Feed Range Cooling Method Maximum Spool Size Weld Circuit Rating Overall Dimensions Weight .025 Thru 1/16 in (0.6 Thru 1.6 mm) Aluminum Wire .025 Thru .045 in (0.6 Thru 1.1 mm) Hard Or Cored Wire 70 T o 875 ipm (1.7 T o 22.2 mpm) Air Cooled 4 in [...]

  • Page 10

    OM-184 693 Page 6 2-4. Installing Wire Spool And Threading Welding W ire 150 436-A 1 T op Cover 2 Canister 3 Canister Cover 4 Thumbscrew (Canister Cover) Loosen thumbscrew and remove cover . 5 Wire Spool Loosen wire from spool, cut of f bent wire, and pull 6 in (150 mm) of wire off spool. 6 Pressure Roll Assembly Lift arm and open pressure roll ass[...]

  • Page 11

    OM-184 693 Page 7 2-6. Connecting T o BET A-MIG  251 W elding Power Source 801 758-A 1 Spool Gun Control Module See BET A-MIG 251 Owner ’s Manual for spool gun control module installation instructions. 2 Gas Hose Connect fitting to regulator/flow- meter (see Section 2-7). 3 T rigger Control Cord Insert plug into receptacle, and tighten threade[...]

  • Page 12

    OM-184 693 Page 8 2-8. Adjusting Drive Roll And Spool Brake Pressure Ref. 151 1 12-A / S-0651 1 T op Cover 2 Canister Cover 3 Thumbscrew Loosen thumbscrew and remove cover . 4 Spool Cut welding wire off at contact tip. Retract wire onto spool and secure. 5 Spool Brake Thumbnut Grasp spool in one hand and turn while adjusting spool brake thumb- nut.[...]

  • Page 13

    OM-184 693 Page 9 SECTION 3 – OPERA TION 3-1. Controls Ref. 147 741-B 1 T rigger Press trigger to energize welding power source contactor (if applica- ble), start shielding gas flow , and begin wire feed. Fo r shielding gas preflow and post- flow , lightly press trigger before and after welding. 2 Wire Speed Control Use control to adjust wire fee[...]

  • Page 14

    OM-184 693 Page 10 SECTION 4 – MAINTENANCE & TROUBLESHOOTING 4-1. Routine Maintenance  Disconnect power before maintaining.  Maintain more often during severe conditions. 3 Months Replace Damaged Or Unreadable Labels Replace Damage Gas Hose Clean And T ighten Weld T erminals Repair Or Replace Cracked Cables And Cords 6 Months Blow Out O[...]

  • Page 15

    OM-184 693 Page 1 1 4-3. Gun Drive Assembly Maintenance Ref. 149 967-C / Ref. 800 945-A Retract wire onto spool. 1 Setscrew 2 Current Pick-Up T ab This tab helps prevent burnback caused by welding arcs inside the contact tip. This tab may be re- moved to provide an insulated drive roll. (If tab is removed, a smaller diameter contact tip is rec- omm[...]

  • Page 16

    OM-184 693 Page 12 4-4. Replacing Canister Inlet Guide Ref. 150 436-A / Ref. 149 967-C 1 T op Cover 2 Pressure Roll Assembly Cut of f welding wire where it enters pressure roll assembly area. 3 Nozzle Pull wire out nozzle. 4 Thumbscrew 5 Canister Cover Loosen thumbscrew and remove cover . 6 Wire Spool 7 Spool Brake Thumbnut Loosen thumbnut, retract[...]

  • Page 17

    OM-184 693 Page 13 4-6. Replacing Contact Tip Adapter 150 430-B 1 Barrel Extension Remove as shown. 2 Contact T ip 3 Compression Nut T o remove, see Section 4-2. 4 Liner 5 Contact T ip Adapter 6 O-Ring 7 Head T ube 8 Head T ube Setscrew Loosen setscrews and remove adapter . Install new o-ring and adapter , and tighten setscrews. Reinstall con- tact[...]

  • Page 18

    OM-184 693 Page 14 SECTION 5 – ELECTRICAL DIAGRAMS 195 712-A Figure 5-1. Circuit Diagram For Gun/Feeder[...]

  • Page 19

    OM-184 693 Page 15 Notes[...]

  • Page 20

    OM-184 693 Page 16 SECTION 6 – P ARTS LIST Figure 6-1. Complete Assembly 143 1 16-K *Includes Items 6 & 7 **Includes Item 71  Hardware is common and not available unless listed. 1 2 3 4 5* 6 7 8 10 9 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 23 29 30 31 32 83 34 33 35 36 35 84 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 [...]

  • Page 21

    OM-184 693 Page 17 Part No. Dia. Mkgs. Item No. Description Quantity Figure 6-1. Complete Assembly (Product No. 130 831-01-9) 1 133 479 COVER 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 135 196 SPRING, closure cover 1 . . . . . . . . . . . [...]

  • Page 22

    OM-184 693 Page 18 Part No. Dia. Mkgs. Item No. Description Quantity Figure 6-1. Complete Assembly (Continued) 47 602 209 W ASHER, tooth .256 ID stl intl 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 602 154 SCREW , .250-20 x .500hexhd stl slffmg 1 . . . . . . . . . . . . . . . . [...]

  • Page 23

    Warranty Questions? Call 1-877-HOBART1 for your local Hobart distributor. hobart standard 7/00 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 distrib[...]

  • Page 24

    PRINTED IN USA  2001 Hobart Welding Products. 1/01 Hoba rt We lding Pr oducts 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: Call1-800-332-3281 For Lit erat ure Or Nearest Deal er: Call 1-877-Hobart 1 Model Name Serial/Style Number Purchase Date (Date which equipment was delivered to or[...]