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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1...
Page 5 - ELECTRIC SHOCK can kill.
OM-947 Page 1 SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING som _2010 − 03 7 Protect yourself and others from injury — read and follow these precautions. 1-1. Symbol Usage DANGER! − Indicates a hazardous situation which, if not avoided, will result in death or serious injury. The possible hazar...
Page 6 - FUMES AND GASES can be hazardous.; ARC RAYS can burn eyes and skin.; WELDING can cause fire or explosion.; BUILDUP OF GAS can injure or kill.
OM-947 Page 2 Welding produces fumes and gases. Breathing these fumes and gases can be hazardous to your health. FUMES AND GASES can be hazardous. D Keep your head out of the fumes. Do not breathe the fumes. D If inside, ventilate the area and/or use local forced ventilation at the arc to remove wel...
Page 9 - SECTION 2; CONSIGNES DE SÉCURITÉ; UNE DÉCHARGE ÉLECTRIQUE peut
OM-947 Page 5 SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION fre_som_2010 − 03 7 Se protéger et protéger les autres contre le risque de blessure — lire et respecter ces consignes. 2-1. Symboles utilisés DANGER! − Indique une situation dangereuse qui si on l’évite pas peut donner la mort ...
Page 15 - Hz; SECTION 4
OM-947 Page 11 SECTION 3 − DEFINITIONS 3-1. Symbols And Definitions A Amperage V Voltage Hz Hertz Negative Positive Direct Current (DC) Single Phase Input Output Voltage Input Off On Do Not Switch While Welding Gas Metal Arc Welding (GMAW) Wire Feed Flux Cored Arc Welding (FCAW) SECTION 4 − SPECIFIC...
Page 16 - A or V
OM-947 Page 12 4-2. Duty Cycle And Overheating duty1 4/95 − 210 517-B Duty Cycle is percentage of 10 min- utes that unit can weld at rated load without overheating.If unit overheats, thermostat(s) opens, output stops, and cooling fan runs. Wait fifteen minutes for unit to cool. Reduce amperage or du...
Page 20 - -5. Installing Wire Spool And Adjusting Hub Tension
OM-947 Page 16 5-5. Installing Wire Spool And Adjusting Hub Tension When a slight force is needed to turn spool, tension is set. 1/2 in. Tools Needed: Ref. 802 971-C / 803 012 / 803 013 -B Installing 8 in. (203 mm) Wire Spool Installing 4 in. (102 mm) Wire Spool When a slight force is needed to turn...
Page 21 - -6. Serial Number And Rating Label Location
OM-947 Page 17 5-6. Serial Number And Rating Label Location The serial number and rating information for this product is located on back. Use rating label to determine input power requirements and/or rated output. For future reference, write serial number in space provided on back cover of this manu...
Page 25 - Notes
Page 28 - Months
OM-947 Page 24 SECTION 7 − MAINTENANCE &TROUBLESHOOTING 7-1. Routine Maintenance ! Disconnect power before maintaining. . Maintain more oftenduring severe condi- tions. n = Check Z = Change ~ = Clean l = Replace * To be done by Factory Authorized Service Agent Reference 3 Months l Damaged Or Unr...
Page 29 - -4. Changing Drive Roll Or Wire Inlet Guide
OM-947 Page 25 7-4. Changing Drive Roll Or Wire Inlet Guide 1 Pressure Adjustment Knob 2 Pressure Assembly Pivot pressure adjustment knob down, and lift pressure assembly up.3 Pivot Tube Plate 4 Securing Screws 5 Pressure Arm Pivot Tube 6 Inlet Wire Guide Remove screws and pivot tube plate. Lift out...
Page 37 - Typical Control Settings
OM-947 Page 33 9-3. Typical Control Settings . These settings are guidelines only. Material and wire type, joint design, fitup, position, shielding gas, etc. affect settings. Test welds to be surethey comply to specifications. 3.5 x 125 A = 437 ipm 2 x 125 A = 250 ipm 1.6 x 125 A = 200 ipm 30 − 90 A...
Page 38 - Holding And Positioning Welding Gun
OM-947 Page 34 9-4. Holding And Positioning Welding Gun . Welding wire is energized when gun trigger is pressed. Before lowering helmet and pressing trigger, be sure wire is no more than 1/2 in (13 mm)past end of nozzle, and tip of wire is positioned correctly on seam. 1 Hold Gun and Control Gun Tri...
Page 39 - Conditions That Affect Weld Bead Shape
OM-947 Page 35 9-5. Conditions That Affect Weld Bead Shape . Weld bead shape depends on gun angle, direction of travel, electrode extension (stickout), travel speed, thickness of base metal, wire feed speed(weld current), and voltage. Slow FILLET WELD ELECTODE EXTENSIONS (STICKOUT) ELECTRODE EXTENSI...
Page 43 - Waviness Of Bead; Distortion; -17. Troubleshooting Guide For Semiautomatic Welding Equipment
OM-947 Page 39 9-15. Troubleshooting − Waviness Of Bead Waviness Of Bead − weld metal that is not parallel and does not cover joint formed by base metal. S-0641 Possible Causes Corrective Actions Welding wire extends too far out of nozzle. Be sure welding wire extends not more than 1/2 in (13 mm) be...
Page 44 - PARTS LIST
OM-947 Page 40 SECTION 10 − PARTS LIST . Hardware is common andnot available unless listed. 803 446-B 1 2 3 4 5 6 6 7 8 9 10 11 12 13 14 15 16 17 18 19 42 20 21 22 23 24 25 26 27 28 29 32 30 31 33 34 35 36 37 38 39 40 41 43 Figure 9-1. Main Assembly
Page 48 - Pros weld and cut
Notes Work like a Pro! Pros weld and cut safely. Read the safety rules atthe beginningof this manual.
Page 52 - Hobart Welding Products; Please complete and retain with your personal records.; To locate a Distributor,; Contact your Distributor for:; Resources Available; For technical assistance:
ORIGINAL INSTRUCTIONS − PRINTED IN USA © 2010 Hobart Welding Products. 2010 − 01 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 Nu...