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OM-950 218 245B
August 2005
Processes
Stick (SMAW) Welding
Description
AC/DC Models:
AC Models:
Arc Welding Power Source
STICKMATE LX
235 AC And 235/160 AC/DC
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From Hobart to You Thank you and congratulations on choosing Hobart. Now you can get the job done and get it done right. We know you don’t have time to do it any other way. This Owner’s Manual is designed to help you get the most out of your Hobart products. Please take time to read the Safety precautions. They will help you protect yourself against potential hazards on the worksite. We’ve made installation and operation quick and easy. With Hobart you can count on years of reliable service with
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TABLE OF CONTENTS SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1-1. Symbol Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1-2. Arc Welding Hazards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1-3. Additional Symbols For Insta
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SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING som _3/05 Warning: Protect yourself and others from injury — read and follow these precautions. 1-1. Symbol Usage Means Warning! Watch Out! There are possible hazards with this procedure! The possible hazards are shown in the adjoining symbols. This group of symbols means Warning! Watch Out! possible Marks a special safety message. ELECTRIC SHOCK, MOVING PARTS, and HOT PARTS hazards. Consult symbols and related instructions below for necessa
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ARC RAYS can burn eyes and skin. BUILDUP OF GAS can injure or kill. Shut off shielding gas supply when not in use. Arc rays from the welding process produce intense visible and invisible (ultraviolet and infrared) rays Always ventilate confined spaces or use that can burn eyes and skin. Sparks fly off from the approved air-supplied respirator. weld. Wear an approved welding helmet fitted with a proper shade of fil- ter lenses to protect your face and eyes when welding or watching HOT PART
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1-3. Additional Symbols For Installation, Operation, And Maintenance FIRE OR EXPLOSION hazard. MOVING PARTS can cause injury. Do not install or place unit on, over, or near Keep away from moving parts such as fans. combustible surfaces. Keep all doors, panels, covers, and guards Do not install unit near flammables. closed and securely in place. Have only qualified persons remove doors, Do not overload building wiring − be sure power supply system is panels, covers, or guards for main
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1-5. Principal Safety Standards Safety in Welding, Cutting, and Allied Processes, ANSI Standard Z49.1, Boulevard, Rexdale, Ontario, Canada M9W 1R3 (phone: from Global Engineering Documents (phone: 1-877-413-5184, website: 800 −463 −6727 or in Toronto 416 −747 −4044, website: www.csa −in- www.global.ihs.com). ternational.org). Practice For Occupational And Educational Eye And Face Protection, Recommended Safe Practices for the Preparation for Welding and Cut- ANSI Standard Z87.1, from American Na
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SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION fre_som _3/05 Avertissement : se protéger et protéger les autres contre le risque de blessure — lire et respecter ces consignes. 2-1. Symboles utilisés Symbole graphique d’avertissement ! Attention ! Cette pro- cédure comporte des risques possibles ! Les dangers éven- tuels sont représentés par les symboles graphiques joints. Ce groupe de symboles signifie Avertissement ! Attention ! Risques Indique un message de sécurité particulier
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LES RAYONS D’ARC peuvent entraî- LES ACCUMULATIONS DE GAZ ner des brûlures aux yeux et à la peau. risquent de provoquer des blessures Le rayonnement de l’arc du procédé de soudage ou même la mort. génère des rayons visibles et invisibles intenses Fermer l’alimentation du gaz protecteur en cas (ultraviolets et infrarouges) susceptibles de provo- de non-utilisation. quer des brûlures dans les yeux et sur la peau. Des étincelles sont projetées pendant le soudage. Veiller toujours à bien aérer l
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2-3. Dangers supplémentaires en relation avec l’installation, le fonctionnement et la maintenance Risque D’INCENDIE OU D’EXPLO- DES ORGANES MOBILES peuvent SION. provoquer des blessures. Ne pas placer l’appareil sur, au-dessus ou S’abstenir de toucher des organes mobiles tels à proximité de surfaces inflammables. que des ventilateurs. Ne pas installer l’appareil à proximité de Maintenir fermés et verrouillés les portes, produits inflammables. panneaux, recouvrements et dispositifs de pro
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2-5. Principales normes de sécurité Safety in Welding, Cutting, and Allied Processes, ANSI Standard Z49.1, Boulevard, Rexdale, Ontario, Canada M9W 1R3 (téléphone : de Global Engineering Documents (téléphone : 1-877-413-5184, site In- 800-463-6727 ou à Toronto 416-747-4044, site Internet : ternet : www.global.ihs.com). www.csa-international.org). Practice For Occupational And Educational Eye And Face Protection, Recommended Safe Practices for the Preparation for Welding and Cut- ANSI Standard Z87
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SECTION 3 − DEFINITIONS 3-1. Symbols And Definitions Do Not Switch Amperes Single Phase Input Under Load A On Off Output Hertz Hz Alternating Electrode Positive Electrode Negative Direct Current Current Welding Arc Volts Work Electrode V 3-2. Manufacturer’s Rating Labels Rating Label For EN/FR Machines Rating Label For All Other Machines INPUT SERIAL NO. STOCK NO. V VOL TS A AMPERES KW KW Hz PHASE HERTZ LR5071 LR5071 EVIDENCE OF LABEL TAMPERING VOIDS WARRANTY EVIDENCE OFLABELTAMPERING VOIDS WARR
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SECTION 4 − INSTALLATION 4-1. Specifications AC/DC Models Amperes Input at Rated Load Maximum Output 50 Or 60 Hz, Rated Welding Amperage Open- Mode Weight Single-Phase Out Output put Range Range Circuit Circuit Voltage 230 V 225 A @ 25 Volts AC, Low: 30 − 150 20% Duty Cycle @ 60 Hz; AC 80 VAC High: 40 − 235 15% Duty Cycle @ 50 Hz 104 lb 104 lb 47 47.5 5 (47 kg) 150 A @ 25 Volts DC, 2.3* DC 20% Duty Cycle @ 60 Hz; 30 − 160 80 VDC 15% Duty Cycle @ 50 Hz Overall Dimensions Height: 18-3/4 in (476
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4-2. Duty Cycle Charts A. For AC/DC Models Duty Cycle is percentage of 10 minutes that unit can weld at rated load without overheating. 20% Duty Cycle at 225 Amperes. Ex- ceeding duty cycle can damage unit and void warranty. 2 Minutes Welding 8 Minutes Resting For 235/160A Models* *These models have a 15% duty cycle when used with 50 Hz input power. 086 727 B. For AC Models Duty Cycle is percentage of 10 minutes that unit can weld at rated load without overheating. 20% Duty Cycle at 225 Ampe
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4-3. Volt-Ampere Curves A. For AC/DC Models The volt-ampere curves show the minimum and maximum voltage and amperage output capabilities. Curves of other settings fall be- tween the curves shown. For 235/160A Models 90 80 70 60 50 40 30 20 10 0 0 50 100 150 200 250 300 350 AC Amperes 80 70 60 50 40 30 20 10 0 0 50 100 150 200 250 DC Amperes 193 509 / 193 510 OM-950 Page 12 DC Volts AC Volts
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B. For AC Models The volt-ampere curves show the For 235A Models minimum and maximum voltage and amperage output capabilities. Curves of other settings fall be- 90 A=LOW RANGE tween the curves shown. 80 B=HIGH RANGE 70 60 50 40 30 20 A A 10BB 0 0 50 100 150 200 250 300 AC Amperes 193 508 4-4. Selecting A Location 1 Rating Label (See Section 3-2) Locate unit near correct input power. Special installation may be required where gasoline or volatile liquids are present − 1 see NEC Article 511 or
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4-5. Installing Electrode Holder And Work Clamp Turn Off unit and disconnect input power before installing electrode holder or work clamp. Removing Barrel From Electrode Holder 1 Electrode Holder 2 Barrel 3 Access Hole 4 Set Screw Loosen set screw through access hole and slide barrel away from electrode holder. Installing Electrode Cable and Barrel 3 onto Electrode Holder 5 Electrode Cable From Unit (Has Bare 2 Conductors on End) 6 Terminal Screw Back out terminal screw from electrode 4 5 hold
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4-6. Weld Output Cables For weld output cable replacements or extensions, contact your Factory NOTE Authorized Service Agent. 4-7. Electrical Service Guide 50/60 Hz Single Phase Input Voltage 230 Input Amperes At Rated Output 47.5 Max Recommended Standard Fuse Rating In Amperes 1 2 Circuit Breaker , Time-Delay 50 3 Normal Operating 70 4 Min Input Conductor Size In AWG 12 Max Recommended Input Conductor Length In Feet (Meters) 87 (26) 4 Min Grounding Conductor Size In AWG 12 Reference: 2005 Nati
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4-8. Connecting Input Power Disconnect and lockout/tag- out input power before instal- ling receptacle. 1 Have only qualified persons make this installation. See rating label in Section 4-4, and be sure to supply correct in- =GND/PE Earth Ground put power. 1 Proper Receptacle (NEMA 6-50R) (User-Supplied) Receptacle must comply with appli- cable codes. 2 Input And Grounding Conductors See size and length using Section 3 4-7. Conductors must comply with applicable codes. 3 Over-Current Protect
