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 2011 − 01 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 hazard...
Page 6 - ARC RAYS can burn eyes and skin.; 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_2011 − 01 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 12 - -4. Proposition californienne 65 Avertissements
OM-947 Page 8 Les PIÈCES MOBILES peuvent causer des blessures. D Ne pas s’approcher des organes mobiles. D Ne pas s’approcher des points de coincement tels que des rouleaux de commande. LES FILS DE SOUDAGE peuvent provoquer des blessures. D Ne pas appuyer sur la gâchette avant d’en avoir reçu l’inst...
Page 15 - SECTION 3; Hz; SECTION 4
. A complete Parts List is available at www.HobartWelders.com 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...
Page 16 - A or V
. A complete Parts List is available at www.HobartWelders.com 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...
Page 17 - SECTION 5
. A complete Parts List is available at www.HobartWelders.com OM-947 Page 13 SECTION 5 − INSTALLATION 5-1. Installing Work Clamp 1 Nut 2 Work Cable From Unit 3 Work Clamp 4 Screw 5 Work Clamp Tabs Bend tabs around work cable.6 Insulator Grip Slide one insulating grip over work cable before connectin...
Page 20 - -5. Installing Wire Spool And Adjusting Hub Tension
. A complete Parts List is available at www.HobartWelders.com 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...
Page 21 - -6. Serial Number And Rating Label Location
. A complete Parts List is available at www.HobartWelders.com 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, wr...
Page 24 - SECTION 6
. A complete Parts List is available at www.HobartWelders.com OM-947 Page 20 SECTION 6 − OPERATION 6-1. Controls 1 Voltage Switch Use control to select the weld voltage range. As the thickness of material increases, a higher voltage range must be selected (see weld setting label in welding power sou...
Page 26 - SECTION 7; Months
. A complete Parts List is available at www.HobartWelders.com OM-947 Page 22 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 Factor...
Page 27 - -4. Changing Drive Roll Or Wire Inlet Guide
. A complete Parts List is available at www.HobartWelders.com OM-947 Page 23 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...
Page 35 - Typical Control Settings
OM-947 Page 31 9-3. Typical Control Settings . These settings are guidelines only. Material and wire type, joint design, fitup, position, etc. affect settings. Test welds to be sure they comply tospecifications. 3.5 x 125 A = 437 ipm 2 x 125 A = 250 ipm 1.6 x 125 A = 200 ipm 30 − 90 A 40 − 145 A 50 ...
Page 36 - Holding And Positioning Welding Gun
OM-947 Page 32 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 Tr...
Page 37 - Conditions That Affect Weld Bead Shape
OM-947 Page 33 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 EXTENS...
Page 39 - Porosity
OM-947 Page 35 9-9. Troubleshooting − Excessive Spatter Excessive Spatter − scattering of molten metal particles that cool to solid form near weld bead. S-0636 Possible Causes Corrective Actions Wire feed speed too high. Select lower wire feed speed. Voltage too high. Select lower voltage range. Ele...
Page 42 - -18. Troubleshooting Guide For Semiautomatic Welding Equipment
OM-947 Page 38 9-17. Common GMAW (MIG) Shielding Gases This is a general chart for common gases and where they are used. Many different combinations (mixtures) of shielding gases have been developed over the years. The most commonly used shielding gases are listed in the following table. Application...
Page 44 - ACCESSORIES/CONSUMABLES
OM-947 Page 40 SECTION 10 − ACCESSORIES/CONSUMABLES 10-1. Accessories PART NO. DESCRIPTION REMARKS 194 776 Small Running Gear/Cylinder Rack For One Small Gas Cylinder, 75 lb (34 kg) 195 158 MIG Conversion Kit For Gas Metal Arc Welding (GMAW) 195 216 Hub Kit For 8 in Wire Spool 195 186 Protective Cov...
Page 45 - Notes; MATERIAL THICKNESS REFERENCE CHART
Notes 16 Gauge (.063 in.) 22 Gauge (.031 in.) 24 Gauge (.025 in.) 20 Gauge (.037 in.)18 Gauge (.050 in.) 14 Gauge (.078 in.) 1/8 in. (.125 in.) 3/16 in. (.188 in.) 1/4 in. (.25 in.) 5/16 in. (.313 in.) 3/8 in. (.375 in.) 1/2 in. (.5 in.) MATERIAL THICKNESS REFERENCE CHART
Page 46 - Pros weld and cut
Notes Work like a Pro! Pros weld and cut safely. Read the safety rules atthe beginningof this manual.
Page 48 - 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 © 2011 Hobart Welding Products. 2011 − 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...
