Page 2 - From Hobart to You; Register your product at:; Protect Your Investment!
Hobart Welders manufactures a full lineof welders and welding related equipment.For information on other quality Hobart products, contact your local Hobartdistributor to receive the latest full line catalog or individual specification sheets. To locate your nearest distributor or service agency call...
Page 3 - TABLE OF CONTENTS
TABLE OF CONTENTS SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1. Symbol Usage 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1...
Page 5 - ELECTRIC SHOCK can kill.; FUMES AND GASES can be hazardous.
OM-947 Page 1 SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING som _3/05 Y Warning: Protect yourself and others from injury — read and follow these precautions. 1-1. Symbol Usage Means Warning! Watch Out! There are possible hazards with this procedure! The possible hazards are shown in the adjoini...
Page 6 - WELDING can cause fire or explosion.
OM-947 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 RAYS can burn eyes and skin. D Wear an approved welding helmet fitted with a proper shade of fil- ter lenses to protect...
Page 7 - ARC WELDING can cause interference.
OM-947 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...
Page 9 - Symboles utilisés; Dangers relatifs au soudage à l’arc; UNE DÉCHARGE ÉLECTRIQUE peut
OM-947 Page 5 SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION fre_som _3/05 Y Avertissement : se protéger et protéger les autres contre le risque de blessure — lire et respecter ces consignes. 2-1. Symboles utilisés Symbole graphique d’avertissement ! Attention ! Cette pro- cédure comport...
Page 11 - LE RAYONNEMENT HAUTE; Proposition californienne 65 Avertissements
OM-947 Page 7 2-3. Dangers supplémentaires en relation avec l’installation, le fonctionnement et la maintenance Risque D’INCENDIE OU D’EXPLO- SION. D Ne pas placer l’appareil sur, au-dessus ou à proximité de surfaces inflammables. D Ne pas installer l’appareil à proximité de produits inflammables. D...
Page 12 - Principales normes de sécurité; Information EMF
OM-947 Page 8 2-5. Principales normes de sécurité Safety in Welding, Cutting, and Allied Processes, ANSI Standard Z49.1, de Global Engineering Documents (téléphone : 1-877-413-5184, site In- ternet : www.global.ihs.com). Recommended Safe Practices for the Preparation for Welding and Cut- ting of Con...
Page 13 - A or V; Output Amperes
OM-947 Page 9 SECTION 3 − SPECIFICATIONS 3-1. Specifications Rated Welding Output Amperage Range Maximum Open- Circuit Voltage DC Amperes Input at Rated Load Output 115 V, 60 Hz, Single- Phase KVA KW Weight W/ Gun Overall Dimensions 90 A @ 19 Volts DC, 20% Duty Cycle 63 A @ 21 Volts DC, 20% Duty Cyc...
Page 14 - SECTION 4
OM-947 Page 10 3-3. Volt-Ampere Curves The volt-ampere curves show the minimum and maximum voltage and amperage output capabilities of the welding power source. Curves of other settings fall between the curves shown. ssb1.1 10/91 − 210 518 8.0 13.0 18.0 23.0 28.0 33.0 0.0 10.0 20.0 30.0 40.0 50.0 60...
Page 15 - * Unit must have MIG conversion kit 195 158 installed.
OM-947 Page 11 4-2. Process/Polarity Table Process Polarity Cable Connections Process Polarity Cable To Gun Cable To Work Clamp FCAW − Self-shielding wire − no shielding gas DCEN − Straight Polarity Connect to negative ( − ) output terminal Connect to positive (+) output terminal GMAW* − Solid wire ...
Page 16 - NOTE
OM-947 Page 12 4-4. Installing Gas Supply This Section only applies to MIG units or units equipped with MIG kit. NOTE 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 Valve Remove cap, stand to side of valve...
Page 17 - -5. Installing Wire Spool And Adjusting Hub Tension
OM-947 Page 13 4-5. Installing Wire Spool And Adjusting Hub Tension When a slight force is needed to turn spool, tension is set. 1/2 in Tools Needed: Ref. 802 971-C / 803 012 / 803 013 -B Installing 8 in (203 mm) Wire Spool Installing 4 in (102 mm) Wire Spool When a slight force is needed to turn sp...
Page 19 - Flux Nozzle
OM-947 Page 15 4-7. Installing Contact Tip And Nozzle Tools Needed: Ref. 804 241-A Y Turn off welding power source. 1 Nozzle Remove nozzle.2 Contact Tip 3 Tip Adapter Thread welding wire through gun (see Section 4-8).Slide contact tip over wire and tighten tip into tip adapter.Install nozzle. 1 2 3 ...
Page 24 - Months
OM-947 Page 20 SECTION 6 − MAINTENANCE &TROUBLESHOOTING 6-1. 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. During heavy service, clean mont...
Page 25 - -4. Changing Drive Roll Or Wire Inlet Guide
OM-947 Page 21 6-4. Changing Drive Roll Or Wire Inlet Guide 1 Pressure Adjustment Knob 2 Pressure Assembly Pivot pressure adjustment knob down, and lift pressure assembly up.3 Pivot Tube Plate 4 Securing Screws 5 Pressure Arm Pivot Tube 6 Inlet Wire Guide Remove screws and pivot tube plate. Lift out...
Page 33 - Typical Control Settings
OM-947 Page 29 8-3. Typical Control Settings These settings are guidelines only. Material and wire type, joint design, fitup, position, etc. affect settings. Test welds to be sure they comply to specifications. NOTE 3.5 x 125 A = 437 ipm 2 x 125 A = 250 ipm 1.6 x 125 A = 200 ipm 30 − 90 A 40 − 145 A...
Page 34 - Holding And Positioning Welding Gun; and tip of wire is positioned correctly on seam.
OM-947 Page 30 8-4. Holding And Positioning Welding Gun Welding 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 end of nozzle, and tip of wire is positioned correctly on seam. NOTE 1 Hold Gun and Control Gun...
Page 35 - Conditions That Affect Weld Bead Shape
OM-947 Page 31 8-5. 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. NOTE Slow FILLET WELD ELECTODE EXTENSIONS (STICKOUT) ELECTRODE EXT...
Page 36 - Gun Movement During Welding; multiple stringer beads works better.; Poor Weld Bead Characteristics
OM-947 Page 32 8-6. 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 across gaps, a weave bead or multiple stringer beads works better. NOTE 1 Stringer Bead − Steady Movement Along Seam 2...
Page 39 - Waviness Of Bead; Distortion; -17. Troubleshooting Guide For Semiautomatic Welding Equipment; Problem
OM-947 Page 35 8-15. Troubleshooting − Waviness Of Bead Waviness Of Bead − weld metal that is not parallel and does not cover joint formed by base metal. S-0641 Possible Causes Corrective Actions Welding wire extends too far out of nozzle. Be sure welding wire extends not more than 1/2 in (13 mm) be...
Page 43 - DESCRIPTION
OM-947 Page 39 803 442-B 4 5 1 6 7 8 9 2 3 Figure 8-3. Wire Drive Assembly Quantity Description Part No. 209 532 Item No. Figure 8-3. Wire Drive Assembly 1 212 377 BEARING, idler 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 44 - Notes
Page 48 - Hobart Welding Products; Please complete and retain with your personal records.; To locate a Distributor,; Contact your Distributor for:; Resources Available; For technical assistance:
PRINTED IN USA © 2005 Hobart Welding Products. 6/05 Hobart Welding Products An Illinois Tool Works Company 600 West Main Street Troy, OH 45373 USA For Technical Assistance: Call1-800-332-3281 For Literature Or Nearest Dealer: Call 1-877-Hobart1 Model Name Serial/Style Number Purchase Date (Date whic...
