Hobart OM-945 194 047U - Manuals

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Manual Hobart OM-945 194 047U

Summary

Page 2 - From Hobart to You

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 catalog sheets.To locate your nearest distributor or service agency call 1-877-...

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-945 Page 1 SECTION 1 − SAFETY PRECAUTIONS − READ BEFORE USING rom _nd_8/03 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 adjoin...

Page 9 - Avertissement: Protégez vous et les autres des blessures; UN CHOC ÉLECTRIQUE peut tuer.

OM-945 Page 5 SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION rom_fre 8/03 Avertissement: Protégez vous et les autres des blessures − lisez et suivez ces précautions. 2-1. Signification des symboles Signifie Mise en garde ! Soyez vigilant ! Cette procédure présente des risques de danger !...

Page 10 - LES CHAMPS MAGNÉTIQUES peuvent

OM-945 Page 6 LES ACCUMULATIONS DE GAZ ris- quent de provoquer des blessures ou même la mort. Fermer l’alimentation du gaz protecteur en cas de non utilisation. Veiller toujours à bien aérer les espaces confinés ou se servir d’un respi- rateur d’adduction d’air homologué. Le rayonnement de l’arc du ...

Page 11 - maintenance

OM-945 Page 7 L’EXPLOSION DE LA BATTERIE peut RENDRE AVEUGLE. Toujours porter une protection faciale, des gants en caoutchouc et vêtements de protection lors d’une in- tervention sur la batterie. Arrêter le moteur avant de débrancher ou de brancher les câbles de batterie. Eviter de provoquer des éti...

Page 12 - -7. Information sur les champs électromagnétiques

OM-945 Page 8 LE SURCHAUFFEMENT peut endom- mager le moteur électrique. Arrêter ou déconnecter l’équipement avant de dé- marrer ou d’arrêter le moteur. Ne pas laisser tourner le moteur trop lentement sous risque d’endommager le moteur électrique à cause d’une tension et d’une fréquence trop faibles....

Page 16 - Notes; MATERIAL THICKNESS REFERENCE CHART

OM-945 Page 12 4-6. Volt-Ampere Curves 197 253 The volt-ampere curve shows the minimum and maximum voltage and amperage output capabilities of the welding generator. Curves of all other settings fall between the curves shown. Notes 16 Gauge (.063 in) 22 Gauge (.031 in) 24 Gauge (.025 in) 20 Gauge (....

Page 21 - -7. Connecting to Weld Output Terminals

OM-945 Page 17 5-7. Connecting to Weld Output Terminals Ref. 202 069-A 1 Negative ( − ) Weld Output Terminal 2 Positive (+) Weld Output Terminal For Direct Current Electrode Posi- tive (DCEP), connect work cable to Negative ( − ) terminal and electrode holder cable to Positive (+) terminal.For Direc...

Page 22 - Pros weld and cut

OM-945 Page 18 5-9. Amperage Selection Table For Stick (SMAW) Electrodes Ref. 202 069-A Use table on front panel to se-lect correct amperage for theelectrode being used. Notes Work like a Pro! Pros weld and cut safely. Read the safety rules atthe beginningof this manual.

Page 25 - -2. Optional Generator Power Receptacles

OM-945 Page 21 7-2. Optional Generator Power Receptacles If unit does not have GFCI re- ceptacles, use GFCI- protected extension cord. Combined output of all receptacles limited to 10 kVA/kW rating of the generator. GFCI Receptacle Option 1 120 V 20 A AC GFCI Recep- tacles GFCI2 and GFCI3 GFCI2 and ...

Page 26 - Every 8 h

OM-945 Page 22 SECTION 8 − MAINTENANCE (ONAN-POWERED UNITS) 8-1. Routine Maintenance (Onan-Powered Units) Follow the storage procedure in the engine owner’s manual if the unit will not be used for anextended period. Note Recycle engine fluids. Stop engine before maintaining. See Engine Manual and Ma...

Page 28 - Start Your Professional

OM-945 Page 24 8-3. Servicing Air Cleaner (Onan-Powered Units) aircleaner3 9/00 − 156 852 / Ref. 183 175-A / S-0759 Stop engine. Do not run engine without air cleaner or with dirty element. 1 Wrapper (Foam Element) Wash wrapper with soap and water solution. Allow wrapper to air dry completely.2 Elem...

Page 32 - Note

OM-945 Page 28 SECTION 9 − MAINTENANCE − (KOHLER-POWERED UNITS) 9-1. Routine Maintenance (Kohler-Powered Units) Follow the storage procedure in the engine owner’s manual if the unit will not be used for anextended period. Note Recycle engine fluids. Stop engine before maintaining. See Engine Manual ...

Page 39 - TROUBLESHOOTING

OM-945 Page 35 SECTION 10 − TROUBLESHOOTING 10-1. Troubleshooting A. Welding Trouble Remedy No weld output. Check control settings. Check weld connections. Reset circuit breaker CB4 (see Section 8-4 or 9-4). Unit overloaded. Stop unit and reduce load. Restart unit to reset generator protection circu...

Page 41 - ELECTRICAL DIAGRAM

OM-945 Page 37 SECTION 11 − ELECTRICAL DIAGRAM 222129 − A Figure 11-1. Circuit Diagram For Welding Generator (Onan And Kohler-Powered Units)

Page 42 - 2-2. Grounding Generator To Truck Or Trailer Frame

OM-945 Page 38 SECTION 12 − GENERATOR POWER GUIDELINES The views in this section are intended to be representative of all engine-drivenwelding generators. Your unit may differ from those shown. NOTE 12-1. Selecting Equipment gen_pwr 11/02 − Ref. ST-159 730 / ST-800 577 1 Generator Power Receptacles ...

Page 43 - 2-3. Grounding When Supplying Building Systems

OM-945 Page 39 12-3. Grounding When Supplying Building Systems ST-800 576-B 1 Equipment Grounding Terminal 2 Grounding Cable Use #10 AWG or larger insulated copper wire.3 Ground Device Ground generator to system earth ground if supplying power to a premises (home, shop, farm) wiring system. GND/PE 1...

Page 44 - 2-5. Approximate Power Requirements For Industrial Motors

OM-945 Page 40 12-5. Approximate Power Requirements For Industrial Motors Industrial Motors Rating Starting Watts Running Watts Split Phase 1/8 HP 800 300 1/6 HP 1225 500 1/4 HP 1600 600 1/3 HP 2100 700 1/2 HP 3175 875 Capacitor Start-Induction Run 1/3 HP 2020 720 1/2 HP 3075 975 3/4 HP 4500 1400 1 ...

Page 45 - 2-7. Approximate Power Requirements For Contractor Equipment

OM-945 Page 41 12-7. Approximate Power Requirements For Contractor Equipment Contractor Rating Starting Watts Running Watts Hand Drill 1/4 in 350 350 3/8 in 400 400 1/2 in 600 600 Circular Saw 6-1/2 in 500 500 7-1/4 in 900 900 8-1/4 in 1400 1400 Table Saw 9 in 4500 1500 10 in 6300 1800 Band Saw 14 i...

Page 47 - 2-10. Typical Connections To Supply Standby Power

OM-945 Page 43 12-10. Typical Connections To Supply Standby Power Have only qualified persons perform these connections according to all applicable codes and safety practic- es. Properly install and ground this equipment according to its Owner’s Manual and national, state, and local codes. Customer-...

Page 52 - 3-8. Conditions That Affect Weld Bead Shape; NOTE

OM-945 Page 48 13-8. Conditions That Affect Weld Bead Shape Weld bead shape is affected by electrode angle, arc length, travel speed, andthickness of base metal. NOTE S-0061 ELECTRODE ANGLE ARC LENGTH TRAVEL SPEED Slow Normal Fast 10 ° - 30 ° Drag Too Short Normal Too Long Spatter Angle Too Small An...

Page 54 - Porosity; Excessive Spatter

OM-945 Page 50 13-13. Weld Test S-0057-B 1 Vise 2 Weld Joint 3 Hammer Strike weld joint in direction shown. A good weld bends over but does not break. 2 To 3 in 1/4 in 3 21 2 To 3 in 3 2 1 (51-76 mm) (6.4 mm) (51-76 mm) 13-14. Troubleshooting − Porosity Porosity − small cavities or holes resulting f...

Page 58 - PARTS LIST

OM-945 Page 54 SECTION 14 − PARTS LIST 41 40 39 38 37 31 30 45 34 33 32 36 35 17 18 44 − FIG 14 − 2 43 42 1 5 4 3 7 6 8 20 − FIG 14 − 3 19 18 22 29 28 25 26 27 21 24 23 11 19 14 12 9 10 17 15 16 13 2 802 343 − L Hardware is common andnot available unless listed. Figure 14-1. Main Assembly (Onan Engi...

Page 64 - 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  2004 Hobart Welding Products. 1/04 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...