Hobart Welding Products OM-947 manual Table of Contents

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TABLE OF CONTENTS

SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING

1

1-1.

Symbol Usage

1

1-2.

Arc Welding Hazards

1

1-3. Additional Symbols For Installation, Operation, And Maintenance

3

1-4. California Proposition 65 Warnings

4

1-5.

Principal Safety Standards

4

1-6.

EMF Information

4

SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION

5

2-1.

Symboles utilisés

5

2-2. Dangers relatifs au soudage à l’arc

5

2-3. Dangers supplémentaires en relation avec l’installation, le fonctionnement et la maintenance

7

2-4. Proposition californienne 65 Avertissements

8

2-5. Principales normes de sécurité

9

2-6. Informations relatives aux CEM

9

SECTION 3 − DEFINITIONS

11

3-1.

Symbols And Definitions

11

SECTION 4 − SPECIFICATIONS

11

4-1.

Specifications

11

4-2. Duty Cycle And Overheating

12

4-3.

Volt-Ampere Curves

12

SECTION 5 − INSTALLATION

13

5-1.

Installing Work Clamp

13

5-2.

Process/Polarity Table

14

5-3.

Changing Polarity

14

5-4.

Installing Gas Supply

15

5-5. Installing Wire Spool And Adjusting Hub Tension

16

5-6. Serial Number And Rating Label Location

17

5-7. Selecting A Location And Connecting Input Power For 115 VAC Model

17

5-8. Installing Contact Tip And Nozzle

18

5-9.

Threading Welding Wire

19

SECTION 6 − OPERATION

20

6-1.

Controls

20

6-2.

Operating The Gun

20

6-3.

Weld Parameter Chart

22

SECTION 7 − MAINTENANCE &TROUBLESHOOTING

24

7-1.

Routine Maintenance

24

7-2.

Overload Protection

24

7-3.

Drive Motor Protection

24

7-4. Changing Drive Roll Or Wire Inlet Guide

25

7-5. Replacing Gun Contact Tip

26

7-6.

Cleaning Gun Liner

27

7-7.

Replacing Gun Liner

28

7-8.

Troubleshooting Table

30

SECTION 8 − ELECTRICAL DIAGRAM

31

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Contents Processes DescriptionFile Flux Cored Fcaw Protect Your Investment From Hobart to YouTable of Contents Warranty HOT Parts can burn Symbol UsageArc Welding Hazards Electric Shock can killFlying Metal or Dirt can injure eyes Fumes and Gases can be hazardousARC Rays can burn eyes and skin Welding can cause fire or explosionMoving Parts can injure Welding Wire can injureFire or Explosion hazard Falling Equipment can injureAbout Implanted Medical Devices Principal Safety StandardsCalifornia Proposition 65 Warnings EMF InformationUNE Décharge Électrique peut entraîner la mort Symboles utilisésLES Pièces Chaudes peuvent provoquer des brûlures LES Fumées ET LES GAZ peuvent être dangereuxLE Soudage peut provoquer un incendie ou une explosion LA Chute DE L’ÉQUIPEMENT peut provoquer des blessures LE Bruit peut endommager l’ouïeLES Bouteilles peuvent exploser si elles sont endommagées Risque D’INCENDIE OULE Soudage À L’ARC risque de provoquer des interférences Proposition californienne 65 AvertissementsLes Pièces Mobiles peuvent causer des blessures LES Fils DE Soudage peuvent provoquer des blessuresPrincipales normes de sécurité Informations relatives aux CEMEn ce qui concerne les implants médicaux OM-947 − Definitions − SpecificationsSymbols And Definitions SpecificationsVolt-Ampere Curves Duty Cycle And Overheating− Installation Installing Work ClampTools Needed Slide insulating grips over handles OM-947 Changing Polarity Process/Polarity TableTools Needed 11/16, 1-1/8 Shielding Gas Installing Gas SupplyTools Needed Installing Wire Spool And Adjusting Hub Tension460 mm Serial Number And Rating Label LocationTurn off welding power source Installing Contact Tip And NozzleThreading Welding Wire Load − OperationControls Operating The GunOM-947 Weld Parameter Chart 210 Drive Motor Protection − Maintenance &TROUBLESHOOTINGRoutine Maintenance Overload ProtectionChanging Drive Roll Or Wire Inlet Guide Replacing Gun Contact Tip Turn Off power before replacing contact tipCleaning Gun Liner Replacing Gun Liner Head Mm / 10 mm TubeLoosen liner setscrew 10 mm Trouble Remedy Troubleshooting TableSecure power cord plug in receptacle see Section Power source see SectionCircuit Diagram − Electrical Diagram− Wire Welding Guidelines Typical Fcaw Process ConnectionsTypical MIG Process Connections Select Voltage Typical Control SettingsWire Size Amperage Range AmperageGroove Welds Holding And Positioning Welding GunConditions That Affect Weld Bead Shape Short Normal LongSlow Normal Fast Poor Weld Bead Characteristics Good Weld Bead CharacteristicsGun Movement During Welding Possible Causes Corrective Actions Troubleshooting − Excessive SpatterTroubleshooting − Porosity Troubleshooting − Excessive PenetrationTroubleshooting − Lack Of Penetration Troubleshooting − Incomplete FusionTroubleshooting − Burn-Through Troubleshooting − Waviness Of Bead Troubleshooting − DistortionTroubleshooting Guide For Semiautomatic Welding Equipment Main Assembly − Parts ListOptional Pkg 195 157R− See Table Pkg195 Hub Kit For 8 in Wire Spool 209Weatherproof Nylon Work like a Pro Page Page Service SupportAssistance Hobart Welding Products Contact your Distributor for

OM-947 specifications

Hobart Welding Products has made a significant mark in the welding industry with its cutting-edge equipment, and the Hobart OM-947 is no exception. This multi-process welder stands out for its versatility and user-friendly design, ideal for both beginners and experienced welders alike.

One of the main features of the OM-947 is its multi-process capability, allowing users to perform MIG, TIG, and stick welding, all in one machine. This flexibility makes it an appealing choice for diverse welding applications, whether in automotive repair, metal fabrication, or industrial maintenance. The OM-947 can easily switch between processes, ensuring efficiency and convenience in various tasks.

The machine is engineered with advanced technology that enhances welding performance. Its inverter technology provides a stable arc and reduces energy consumption, which not only cuts down operational costs but also improves the welder's overall performance. The Hobart OM-947 boasts a high-duty cycle, allowing users to operate it for extended periods without overheating, making it suitable for professional environments.

In terms of characteristics, the OM-947 features a digital display that allows for precise control over welding parameters. This user-friendly interface simplifies the adjustment process, enabling welders to focus more on their craft rather than struggling with complex settings. The machine also comes with a built-in automatic voltage control, which adjusts the voltage according to the chosen process and material thickness, ensuring optimal welding conditions and reducing the risk of defects.

Another notable aspect of the OM-947 is its portability. Weighing in at a manageable level, coupled with a compact design, the machine is easy to transport between job sites, making it ideal for mobile welders. Furthermore, the rugged construction of the unit ensures durability even in demanding environments.

Safety features are paramount in welding equipment, and the Hobart OM-947 does not disappoint. It includes a thermal overload protection system that prevents overheating and potential damage to the welder, offering peace of mind during use.

Overall, the Hobart Welding Products OM-947 delivers impressive performance, versatility, and user-friendliness. It is designed for welders who demand quality and reliability from their equipment while being accessible enough for those who are just starting their welding journey. With its innovative features and robust design, the OM-947 truly sets a benchmark in the world of welding.
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