Hobart OM-949 - Manuals

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Manual

Manual Hobart OM-949

Summary

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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

Page 5 - ELECTRIC SHOCK can kill.; FUMES AND GASES can be hazardous.

OM-949 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-949 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-949 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-949 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-949 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-949 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 - Output Amperage

OM-949 Page 9 SECTION 3 − INSTALLATION 3-1. Specifications Rated Welding Output Amperage Range Max Open- Circuit Amperes Input at Rated Load Output, Single-Phase Weight Rated Welding Output Range Circuit Voltage 220 V (50 Hz) 230 V (60 Hz) Weight 165 A @ 25 Volts AC, 20% Duty Cycle 30 − 205A 80 VAC ...

Page 15 - -5. Installing Electrode Holder And Work Clamp; PIECE

OM-949 Page 11 3-5. Installing Electrode Holder And Work Clamp Ref. 802 251-A / 803 583-B Y Turn Off unit and disconnect input power before installing electrode holder or work clamp. Removing Barrel From Elec- trode Holder 1 Electrode Holder 2 Barrel 3 Access Hole 4 Set Screw Loosen set screw throug...

Page 16 - Notes; MATERIAL THICKNESS REFERENCE CHART

OM-949 Page 12 3-6. Weld Output Cables Weld Cable Size and Total Cable (Copper) Length in Weld Circuit Not Exceeding 100 ft (30 m) or Less 150 ft (45 m) 200 ft (60 m) 250 ft (70 m) 300 ft (90 m) 350 ft (105 m) 400 ft (120 m) Weld Output Terminals Y Turn off power before connecting to weld out- put t...

Page 19 - Months

OM-949 Page 15 SECTION 5 − MAINTENANCE & TROUBLESHOOTING 5-1. Routine Maintenance Y Disconnect power before maintaining. 3 Months Replace Unreadable Labels Repair Or Replace Cracked Cables 6 Months 12 Months Blow Out Or Vacuum Inside, During Heavy Service, Clean Monthly OR Lubricate Shunt Block ...

Page 20 - -3. Reinstalling Amperage Adjustment Indicator

OM-949 Page 16 5-3. Reinstalling Amperage Adjustment Indicator 804 295-A / 803 564-B / 215 247-A Y Turn Off welding power source and disconnect input power. 1 Wrapper Remove wrapper from unit.2 Crank Handle 3 Shunt Shaft 4 Transformer And Shunt (Located Inside Unit) Insert crank handle onto shunt sh...

Page 24 - -2. Electrode And Amperage Selection Chart

OM-949 Page 20 7-2. Electrode And Amperage Selection Chart Ref. ST-087 985-A 3/32 1/8 5/323/167/32 1/4 1/165/643/32 1/8 5/323/167/32 1/4 3/32 1/8 5/323/167/32 1/4 3/32 1/8 5/323/167/32 1/4 3/32 1/8 5/323/167/32 1/4 3/32 1/8 5/323/163/32 1/8 5/32 6010 & 6011 6013 7014 7018 7024 Ni-Cl 308L 50 100 ...

Page 26 - -6. Conditions That Affect Weld Bead Shape

OM-949 Page 22 7-5. Weld Bead Characteristics Ref. S-0052-B 1 Large Spatter Deposits 2 Rough, Uneven Bead 3 Slight Crater During Welding 4 Bad Overlap 5 Poor Penetration 1 Fine Spatter 2 Uniform Bead 3 Moderate Crater During Welding Weld a new bead or layer for each 1/8 in (3.2 mm) thickness in meta...

Page 31 - Start Your Professional

OM-949 Page 27 Notes 400 Trade Square East, Troy, Ohio 45373 1-800-332-9448 www.welding.org Over 80,000 trained since 1930! Start Your Professional Welding Career Now!

Page 36 - 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...