Hobart OM-948 - Manual - manualsarea.com

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; WARNING

TABLE OF CONTENTS SECTION 1 –SAFETY PRECAUTIONS FOR FCAW AND GMAW WELDING GUNS – READ BEFORE USING 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1. Symbol Usage 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

Page 5 - Symbol Usage; FCAW And GMAW Gun Hazards; ARC RAYS can burn eyes and skin.

OM-948 Page 1 SECTION 1 –SAFETY PRECAUTIONS FOR FCAW AND GMAW WELDING GUNS – READ BEFORE USING SR7_7/01 1-1. Symbol Usage Means Warning! Watch Out! There are possible hazards with thisprocedure! The possible hazards are shown in the adjoining symbols. This group of symbols means Warning! Watch Out! ...

Page 6 - EMF INFORMATION; NOTE

OM-948 Page 2 EMF INFORMATION The following is a quotation from the General Conclusions Section ofthe U.S. Congress, Office of Technology Assessment, BiologicalEffects of Power Frequency Electric & Magnetic Fields –Background Paper, OTA-BP-E-53 (Washington, DC: U.S.Government Printing Office, Ma...

Page 7 - SECTION 2 – SAFETY INFORMATION; CAUTION; SECTION 3 – INSTALLATION; Specifications; A or V; Duty Cycle And Overheating

OM-948 Page 3 SECTION 2 – SAFETY INFORMATION Read all safety messages throughout this manual. Obey all safety messages to avoid injury. Learn the meaning of WARNING and CAUTION. 1 Safety Alert Symbol 2 Signal Word WARNING means possible deathor serious injury can happen. CAUTION means possible minor...

Page 8 - Installing Gun Into Welding Power Source

OM-948 Page 4 3-3. Installing Gun Into Welding Power Source 803 497-A / Ref. 803 378-A Install cable end into drive housing withretaining ring between the two locating ribs.Position liner in groove so that black tubingend is flush with back of groove. Open pressure assembly. Remove screws (3) fromco...

Page 9 - Threading Welding Wire

OM-948 Page 5 3-4. Threading Welding Wire 1 Wire Spool 2 Welding Wire 3 Inlet Wire Guide 4 Pressure Adjustment Knob 5 Drive Roll 6 Gun Cable Lay gun cable out straight. Tools Needed: 6 1 Pull and hold wire; cut off end. 4 in (102 mm) Remove gun nozzle and contact tip. Open pressure assembly. Push wi...

Page 10 - SECTION 4 – OPERATION; Operating The Gun

OM-948 Page 6 SECTION 4 – OPERATION 4-1. Operating The Gun Ref. 803 495-A 1 Trigger Switch When pressed, energized wirefeeds and shielding gas flows. 1

Page 11 - SECTION 5 – MAINTENANCE & TROUBLESHOOTING; Replacing Gun Contact Tip; Cleaning Gun Liner

OM-948 Page 7 SECTION 5 – MAINTENANCE & TROUBLESHOOTING 5-1. Replacing Gun Contact Tip Ref. 803 496-B Y Turn off welding power source. 1 Nozzle Remove nozzle. 2 Contact Tip 3 Tip Adapter Cut off welding wire at contact tip.Remove contact tip from tip adapter,and install new contact tip. Reinstal...

Page 12 - Replacing Gun Liner

OM-948 Page 8 5-3. Replacing Gun Liner 803 496-B / 803 497-A HeadTube Tools Needed: 8 mm / 10 mm Remove nozzle. Cut off wireat contact tip, and removecontact tip and tip adapter. 8 mm Open pressure assembly. Retractwire from liner onto spool. . Hold wire tightly to keep itfrom unraveling. Secureend ...

Page 14 - Replacing Liner O-Ring

OM-948 Page 10 5-4. Replacing Liner O-Ring 803 496-B / 803 497-A HeadTube Tools Needed: 8 mm / 10 mm Remove nozzle. Cut off wireat contact tip, and removecontact tip and tip adapter. 8 mm Open pressure assembly. Retractwire from liner onto spool. . Hold wire tightly to keep itfrom unraveling. Secure...

Page 17 - Removing Gun From Welding Power Source

OM-948 Page 13 5-6. Removing Gun From Welding Power Source 803 497-A / Ref. 803 378-A Pull weld cable, trigger leads, and gas hosethrough opening in drive housing. Pull guncable out through opening in front panel. Toreinstall gun see Section 3-3. Remove wrapper fromunit. Disconnect gas hose fromadap...

Page 18 - Routine Maintenance; Each Spool Of Wire

OM-948 Page 14 5-7. Routine Maintenance Y Turn Off welding power source before maintaining. Each Spool Of Wire Blow Out Gun Casing Clean Nozzle And Check Contact Tip 3 Months Control Cord Gas Hose Gun Cable Replace Cracked Parts 5-8. Troubleshooting Trouble Remedy Wire does not feed; wire is not ene...

Page 19 - SECTION 6 – PARTS LIST

OM-948 Page 15 SECTION 6 – PARTS LIST 1 803 499-B 2 3 6 4 8 – See Table 6-1 4 4 7 5 Figure 6-1. H-9 Gun Description Part No. 195 157 Item No. Figure 6-1. H-9 Gun Quantity 1 169 715 NOZZLE, slip type .500 orf flush 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 20 - Notes; Pros weld and cut

Notes Work like a Pro! Pros weld and cut safely. Read the safety rules at the beginningof this manual.

Page 24 - Hobart Welding Products; Please complete and retain with your personal records.; Contact your Distributor for:; Resources Available; For technical assistance:

PRINTED IN USA  2003 Hobart Welding Products. 1/03 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...

Hobart OM-948 - Manual

Table of Contents:

Summary

Other Hobart Models