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
TABLE OF CONTENTS SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1. Symbol Usage 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 5 - SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING; Symbol Usage; Resistance Spot Welding Hazards
OM-715 Page 1 Return To Table Of Contents SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING spotom _nd_8/03 1-1. Symbol Usage Means Warning! Watch Out! There are possible hazardswith this procedure! The possible hazards are shown inthe adjoining symbols. Y Marks a special safety message. . Means “N...
Page 6 - Additional Symbols For Installation, Operation, And Maintenance; California Proposition 65 Warnings; Principal Safety Standards
OM-715 Page 2 Return To Table Of Contents The tong tips, tongs, and linkages move duringoperation. MOVING PARTS can cause injury. D Keep away from moving parts. D Keep away from pinch points. D Do not put hands between tips. D Keep all guards and panels securely in place. D OSHA and/or local codes m...
Page 7 - SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT; Signification des symboles; Dangers liés au soudage par points
OM-715 Page 3 Revenez à la table des matières SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION spot_fre 8/03 2-1. Signification des symboles Signifie Mise en garde ! Soyez vigilant ! Cette procédureprésente des risques de danger ! Ceux-ci sont identifiéspar des symboles adjacents aux direc...
Page 8 - Principales normes de sécurité
OM-715 Page 4 Revenez à la table des matières DES ORGANES MOBILES peuventprovoquer des blessures. Pendant le soudage, les bras et électrodes sedéplacent. D Ne pas s’approcher des organes mobiles. D Ne pas s’approcher des points de coincement. D Ne placez pas les mains entre les électrodes. D Mainten...
Page 9 - SECTION 3 − INTRODUCTION; Specifications; SECTION 4 − INSTALLATION; Installing Or Dressing Tips
OM-715 Page 5 Return To Table Of Contents SECTION 3 − INTRODUCTION 3-1. Specifications Model AC Input Voltage 50/60 Hz Work Capacity Combined Thickness Rated Output At 50% Duty Welder Dimensions Weight Model Voltage 50/60 Hz 1-Phase Combined Thickness Mild Steel Output At 50% Duty Cycle* Height Widt...
Page 11 - Installing Or Cleaning Tongs
OM-715 Page 7 Return To Table Of Contents 4-2. Installing Or Cleaning Tongs ST-800 155-A / Ref. ST-800 154-A Y Turn off and unplug welder. . Be sure tong ends are cleanand not corroded beforeinstalling. Clean tongs with finesteel wool. Bottom Tong: 1 Bottom Tong 2 Hole In Spatter Guard 3 Bottom Tong...
Page 12 - Adjusting Tong And Hand Lever Pressure
OM-715 Page 8 Return To Table Of Contents 4-3. Adjusting Tong And Hand Lever Pressure Y Turn off and unplug welder. Y Excessive tong pressure can dam-age tips. Do not use tongs as a clampor vice to hold workpiece together. Ifthe two pieces of material to bewelded do not make good contact atthe point...
Page 13 - Installing Handle
OM-715 Page 9 Return To Table Of Contents 4-4. Installing Handle Y Turn off and unplug welder. 1 Wodden Handle 2 Handle Bolt 3 Brackets (15, 15T Models Only) Install handle onto the spot welder as shownabove. For 25 and 25T Models, install han-dle onto either side as desired for either right-hand or...
Page 14 - Connecting Input Power; SECTION 5 − OPERATION; Controls
OM-715 Page 10 Return To Table Of Contents 4-5. Connecting Input Power Ref. ST-800 156 Y Input power supply wiringand receptacle must meetNational Electrical Code andall other code requirements. Operate spot welder from a sepa-rately fused or circuit breaker pro-tected circuit, and use correct sizei...
Page 15 - SECTION 6 − MAINTENANCE AND TROUBLESHOOTING; Routine Maintenance; Every Use
OM-715 Page 11 Return To Table Of Contents SECTION 6 − MAINTENANCE AND TROUBLESHOOTING 6-1. Routine Maintenance Y Disconnect power before maintaining. Every Use 3 Months 6 Months Inspect Tips Replace Unreadable Labels Blow Off Or Vacuum Unit During Heavy Service, Clean Monthly OR 6-2. Troubleshootin...
Page 16 - SECTION 7 − ELECTRICAL DIAGRAMS
OM-715 Page 12 Return To Table Of Contents SECTION 7 − ELECTRICAL DIAGRAMS SA-162 467-B Figure 7-1. Circuit Diagram For 110 And 220 Volt Models
Page 17 - Notes
Page 18 - SECTION 8 − PARTS LIST
OM-715 Page 14 Return To Table Of Contents SECTION 8 − PARTS LIST ST-145 048-D . Hardware is common andnot available unless listed. 31 30 28 27 29 42 46 32 37 36 45 Figure 8-1. Main Assembly
Page 22 - OPTIONS AND ACCESSORIES
9/93 OPTIONS AND ACCESSORIES SWP-2 SPOT WELDERPEDESTAL (#205 567) Leaves hands free to handle thework. When foot control isdepressed, tongs close and StartSwitch is activated. SPOT WELD TIMER (#205 569) HSW 15(#205 570) HSW 25 Cannot be used on “T” modelunits. Provides 0−5 secondmechanical weld time...
Page 24 - Please complete and retain with your personal records.; Resources Available
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...