Hobart OM-950 - Manuals

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Manual

Manual Hobart OM-950

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-950 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-950 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 9 - Symboles utilisés; Dangers relatifs au soudage à l’arc; UNE DÉCHARGE ÉLECTRIQUE peut

OM-950 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 - Proposition californienne 65 Avertissements

OM-950 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-950 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 - Symbols And Definitions; Hz; Rating Label For EN/FR Machines; PHASE; KW

OM-950 Page 9 SECTION 3 − DEFINITIONS 3-1. Symbols And Definitions A Amperes Single Phase Do Not Switch Under Load Input On Off Output Hz Hertz Alternating Current Electrode Positive Electrode Negative Direct Current Welding Arc V Volts Work Electrode 3-2. Manufacturer ’s Rating Labels 217 652-A / 1...

Page 14 - AC Models

OM-950 Page 10 SECTION 4 − INSTALLATION 4-1. Specifications AC/DC Models Mode Rated Welding Output Amperage Range Maximum Open- Circuit Amperes Input at Rated Load Output 50 Or 60 Hz, Single-Phase Weight Output Range Circuit Voltage 230 V AC 225 A @ 25 Volts AC, 20% Duty Cycle @ 60 Hz; 15% Duty Cycl...

Page 18 - -5. Installing Electrode Holder And Work Clamp; PIECE

OM-950 Page 14 4-5. Installing Electrode Holder And Work Clamp Y Turn Off unit and disconnect input power before installing electrode holder or work clamp. Removing Barrel From Electrode Holder 1 Electrode Holder 2 Barrel 3 Access Hole 4 Set Screw Loosen set screw through access hole and slide barre...

Page 19 - Authorized Service Agent.; NOTE

OM-950 Page 15 4-6. Weld Output Cables For weld output cable replacements or extensions, contact your Factory Authorized Service Agent. NOTE 4-7. Electrical Service Guide 50/60 Hz Single Phase Input Voltage 230 Input Amperes At Rated Output 47.5 Max Recommended Standard Fuse Rating In Amperes Circui...

Page 22 - B. Controls For AC Models

OM-950 Page 18 B. Controls For AC Models Ref. 190 599-A / 802 105-D 1 Amperage Adjustment Control 2 Power Switch 3 Mode Switch Use mode switch to select ac low range or high range output. 3 1 2

Page 23 - Months

OM-950 Page 19 SECTION 6 − MAINTENANCE & TROUBLESHOOTING 6-1. 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 24 - -3. Reinstalling Amperage Adjustment Indicator

OM-950 Page 20 6-3. Reinstalling Amperage Adjustment Indicator 804 293-A / Ref. 802 248-D / Ref. 190 599-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 ont...

Page 28 - -2. Electrode And Amperage Selection Chart

OM-950 Page 24 8-2. Electrode And Amperage Selection Chart Ref. 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 50 100 150...

Page 30 - -6. Conditions That Affect Weld Bead Shape

OM-950 Page 26 8-5. 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 32 - B. Welding Troubleshooting

OM-950 Page 28 8-9. Lap Joints S-0063 / S-0064 1 Electrode 2 Single-Layer Fillet Weld Move electrode in circular motion.3 Multi-Layer Fillet Weld Weld a second layer when a larger fillet is needed. Remove slag before making another weld pass. Weld both sides of joint for maximum strength. 30 ° Or Le...

Page 35 - Notes; Start Your Professional

OM-950 Page 31 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 40 - 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...