Hobart OM-184 693C - Manuals

Page 2 - From Hobart to You

Hobart Welders manufactures a full lineof welders and welding related equipment.For information on other quality Hobartproducts, contact your local Hobart distributorto receive the latest full line catalog orindividual catalog sheets. To locate your nearestdistributor or service agency call 1-877-Ho...

Page 3 - TABLE OF CONTENTS

TABLE OF CONTENTS SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1. Symbol Usage 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2. Arc Welding Hazards ...

Page 5 - SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING; Symbol Usage; Arc Welding Hazards

OM-184 693 Page 1 SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING som _nd_4/98 1-1. Symbol Usage Means Warning! Watch Out! There are possiblehazards with this procedure! The possible hazards areshown in the adjoining symbols. Marks a special safety message. Means “Note”; not safety related. This ...

Page 7 - Additional Symbols For Installation, Operation, And Maintenance; Principal Safety Standards

OM-184 693 Page 3 1-3. Additional Symbols For Installation, Operation, And Maintenance FIRE OR EXPLOSION hazard. Do not install or place unit on, over, or nearcombustible surfaces. Do not install unit near flammables. Do not overload building wiring – be sure power supply systemis properly sized, ra...

Page 8 - EMF Information

OM-184 693 Page 4 1-5. EMF Information Considerations About Welding And The Effects Of Low FrequencyElectric And Magnetic FieldsWelding current, as it flows through welding cables, will cause electro-magnetic fields. There has been and still is some concern about suchfields. However, after examining...

Page 9 - SECTION 2 – INSTALLATION; Specifications; NOTE; Removing Top Cover

OM-184 693 Page 5 SECTION 2 – INSTALLATION 2-1. Specifications Wire Diameter Range Approximate Wire Feed Range Cooling Method Maximum Spool Size Weld Circuit Rating Overall Dimensions Weight .025 Thru 1/16 in (0.6 Thru 1.6 mm) Aluminum Wire .025 Thru .045 in (0.6 Thru 1.1 mm) Hard Or Cored Wire 70 T...

Page 12 - Adjusting Drive Roll And Spool Brake Pressure

OM-184 693 Page 8 2-8. Adjusting Drive Roll And Spool Brake Pressure Ref. 151 112-A / S-0651 1 Top Cover 2 Canister Cover 3 Thumbscrew Loosen thumbscrew and removecover. 4 Spool Cut welding wire off at contact tip.Retract wire onto spool andsecure. 5 Spool Brake Thumbnut Grasp spool in one hand and ...

Page 13 - SECTION 3 – OPERATION; Controls

OM-184 693 Page 9 SECTION 3 – OPERATION 3-1. Controls Ref. 147 741-B 1 Trigger Press trigger to energize weldingpower source contactor (if applica-ble), start shielding gas flow, andbegin wire feed. For shielding gas preflow and post-flow, lightly press trigger beforeand after welding. 2 Wire Speed ...

Page 14 - SECTION 4 – MAINTENANCE & TROUBLESHOOTING; Routine Maintenance

OM-184 693 Page 10 SECTION 4 – MAINTENANCE & TROUBLESHOOTING 4-1. Routine Maintenance Disconnect power before maintaining. Maintain more oftenduring severe conditions. 3 Months Replace Damaged Or Unreadable Labels Replace Damage Gas Hose Clean And Tighten Weld Terminals Repair Or Replace Cracked...

Page 15 - Gun Drive Assembly Maintenance

OM-184 693 Page 11 4-3. Gun Drive Assembly Maintenance Ref. 149 967-C / Ref. 800 945-A Retract wire onto spool. 1 Setscrew 2 Current Pick-Up Tab This tab helps prevent burnbackcaused by welding arcs inside thecontact tip. This tab may be re-moved to provide an insulateddrive roll. (If tab is removed...

Page 18 - SECTION 5 – ELECTRICAL DIAGRAMS

OM-184 693 Page 14 SECTION 5 – ELECTRICAL DIAGRAMS 195 712-A Figure 5-1. Circuit Diagram For Gun/Feeder

Page 19 - Notes

Page 20 - SECTION 6 – PARTS LIST

OM-184 693 Page 16 SECTION 6 – PARTS LIST Figure 6-1. Complete Assembly 143 116-K *Includes Items 6 & 7 **Includes Item 71 Hardware is common andnot available unless listed. 1 2 3 4 5* 6 7 8 10 9 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 23 29 30 31 32 83 34 33 35 36 35 84 38 39 40 4...

Page 24 - Please complete and retain with your personal records.; Resources Available

PRINTED IN USA  2001 Hobart Welding Products. 1/01 Hobart Welding Products An Illinois Tool Works Company600 West Main StreetTroy, OH 45373 USA For Technical Assistance:Call1-800-332-3281For Literature Or Nearest Dealer:Call 1-877-Hobart1 Model Name Serial/Style Number Purchase Date (Date which equ...