Hobart Welding Products OM-180 670Q manuale d’uso

Processes Multiprocess W elding OM-180 670Q March 2002 Description Arc Welding Power Source Stellar A T (400 V olt Models)[...]

Hobart W elders manufactures a full line of welders and welding related equipment. For information on other quality Hobart products, contact your local Hobart distributor to receive the latest full line catalog or individual catalog sheets. T o locate your nearest distributor or service agency call 1-877-Hobart1. Thank you and congratulations on ch[...]

The following terms are used interchangeably throughout this manual: TIG = GT AW Stick = SMAW T ABLE OF CONTENTS SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1. Symbol Usage 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

dec_con1 10/95 Declaration of Conformity For European Community (CE) Products Manufacturer ’s Name: Miller Electric Mfg. Co. Manufacturer ’s Address: 1635 W . Spencer Street Appleton, WI 54914 USA Declares that the product: XMT  304 conforms to the following Directives and Standards: Directives Electromagnetic compatibility Directives: 89/33[...]

OM-180 670 Page 1 SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING som _nd_4/98 1-1. Symbol Usage Means W arning! W atch Out! There are possible hazards with this procedure! The possible hazards are shown in the adjoining symbols. Y Marks a special safety message. . Means “ Note ” ; not safety related. This group of symbols means W arning! [...]

OM-180 670 Page 2 Arc rays from the welding process produce intense visible and invisible (ultraviolet and infrared) rays that can burn eyes and skin. Sparks fly off from the weld. ARC RA YS can burn eyes and skin. D Wear a welding helmet fitted with a proper shade of filter to protect your face and eyes when welding or watching (see ANSI Z49.1 and[...]

OM-180 670 Page 3 1-3. Additional Symbols For Installation, Operation, And Maintenance FIRE OR EXPLOSION hazard. D Do not install or place unit on, over , or near combustible surfaces. D Do not install unit near flammables. D Do not overload building wiring – be sure power supply system is properly sized, rated, and protected to handle this unit.[...]

OM-180 670 Page 4 1-5. EMF Information Considerations About W elding And The Effects Of Low Frequency Electric A n d M a g netic Fields W elding current, as it flows through welding cables, will cause electro- magnetic fields. There has been and still is some concern about such fields. However , after examining more than 500 studies spanning 17 yea[...]

OM-180 670 Page 5 SECTION 1 – CONSIGNES DE SECURITE – LIRE A V ANT UTILISA TION som _nd_fre 4/98 1-1. Signification des symboles Signifie Mise en garde ! Soyez vigilant ! Cette proc é dure pr é sente des risques de danger ! Ceux-ci sont identifi é s par des symboles adjacents aux directives. Y Identifie un message de s é curit é particulie[...]

OM-180 670 Page 6 Le rayonnement de l ’ arc du proc é d é de soudage g é n è re des rayons visibles et invisibles intenses (ultraviolets et infrarouges) susceptibles de provoquer des br û lures dans les yeux et sur la peau. Des é tincelles sont projet é es pendant le soudage. LES RA YONS DE L ’ ARC peuvent pro- voquer des br û lures dan[...]

OM-180 670 Page 7 1-3. Dangers suppl é mentaires en relation avec l ’ installation, le fonctionnement et la maintenance Risque D ’ INCENDIE OU D ’ EXPLOSION. D Ne pas placer l ’ appareil sur , au-dessus ou à proxi- mit é de surfaces infllammables. D Ne pas installer l ’ appareil à proximit é de produits inflammables D Ne pas surcharg[...]

OM-180 670 Page 8 1-4. Principales normes de s é curit é Safety in W elding and Cutting, norme ANSI Z49.1, de l ’ American W el - ding Society , 550 N.W . Lejeune Rd, Miami FL 33126 Safety and Health Sandards, OSHA 29 CFR 1910, du Superintendent of Documents, U.S. Government Printing Of fice, W ashington, D.C. 20402. Recommended Safe Practice f[...]

OM-180 670 Page 9 SECTION 2 – DEFINITIONS 2-1. Manufacturer ’ s W arning Label Definitions W arning! W atch Out! There are possible hazards as shown by the symbols. 1 Electric shock from welding electrode or wiring can kill. 1.1 W ear dry insulating gloves. Do not touch electrode with bare hand. Do not wear wet or damaged gloves. 1.2 Protect yo[...]

OM-180 670 Page 10 > 60 s V S-179 190-A V V 1 W arning! W atch Out! There are possible hazards as shown by the symbols. 2 Electric shock from wiring can kill. 3 Disconnect input plug or power before working on machine. 4 Hazardous voltage remains on input capacitors after power is turned off. Do not touch fully charged capacitors. 5 Always wait [...]

OM-180 670 Page 1 1 2-2. Manufacturer ’ s Rating Labels[...]

OM-180 670 Page 12 2-3. Symbols And Definitions A Amperage Panel Alternating Current (AC) V V oltage Output Circuit Breaker Remote On Of f Gas Tungsten Arc W elding Negative V oltage Input Direct Current (DC) Positive Inductance Protective Earth (Ground) Constant Current Constant V oltage Foot Control Line Connection Arc Force Shielded Metal Arc W [...]

OM-180 670 Page 13 SECTION 3 – INST ALLA TION 3-1. Specifications Rated W elding Output V oltage Range Amperage Range Maximum Open-Circuit IP Rating Amperes Input at Rated Load Output 50/60 Hz Output Range Range V oltage DC 400 V KV A KW 300 A @ 32 V olts DC, 60% Duty Cycle 10 – 35 5 – 400 90 23 17.0 (0.15*) 12.4 (0.09*) 1 1.5 (0.04*) *While [...]

OM-180 670 Page 14 3-3. V olt-Ampere Curves va_curve1 4/95 – SA-178 652 / SA-178 653 V olt-ampere curves show minimum and maximum voltage and amper- age output capabilities of unit. Curves of other settings fall be- tween curves shown. A. CC Mode B. CV Mode ARC CONTROL[...]

OM-180 670 Page 15 3-4. Selecting A Location loc_2 3/96 - ST -801 192 1 Lifting Handles Use handles to lift unit. 2 Hand Cart Use cart or similar device to move unit. 3 Plate Label Use label to determine input power needs. 4 Line Disconnect Device Locate unit near correct input power supply . Y Special installation may be required where gasoline or[...]

OM-180 670 Page 16 3-5. W eld Output T erminals And Selecting Cable Sizes Y ARC WELDING can cause Electromagnetic Interference. T o reduce possible interference, keep weld cables as short as possible, close together , and down low , such as on the floor . Locate welding operation 100 meters from any sensitive electronic equipment. Be sure this weld[...]

OM-180 670 Page 17 3-6. Remote 14 Receptacle Information Socket* Socket Information 24 VOL TS AC A 24 volts ac. Protected by circuit breaker CB2. AJ K I 24 VOL TS AC B Contact closure to A completes 24 volts ac con- tactor control circuit. B I C L NH 1 15 VOL TS AC I 1 15 volts ac. Protected by circuit breaker CB1. C D M G E F 1 15 VOL TS AC J Cont[...]

OM-180 670 Page 18 3-8. Electrical Service Guide Actual input voltage should not exceed ± 10% of indicated required input voltage. If actual input voltage is outside of this range, output may not be available. NOTE Input V oltage 400 Input Amperes At Rated Output 17.0 Max Recommended Standard Fuse Or Circuit Breaker Rating In Amperes 30 Reference:[...]

OM-180 670 Page 19 SECTION 4 – OPERA TION 4-1. Front Panel Controls 1 Power On/Off Switch . The fan motor is thermostatically controlled and only runs when cooling is needed. 2 V oltmeter (see Section 4-2) 3 Ammeter (see Section 4-2) 4 V oltage/Amperage Adjustment Control 5 Mode Switch Th e Mode switch setting determines both the process and outp[...]

OM-180 670 Page 20 4-2. Meter Functions The meters display the actual weld output values for approximately three seconds after the arc is broken. NOTE Mode Meter Reading At Idle Lift-Arc T rigger Hold TIG (GT AW) VA Blank Preset Amps 85 TIG (GT AW) Blank Preset Amps VA 85 MIG (GMAW) Preset V olts Blank VA 24.5 Pulsed MIG (GMA W-P) Pulse Display Pul[...]

OM-180 670 Page 21 4-3. Mode Switch Settings The SMAW modes provide the Adaptive Hot Start  feature, which automatically increases the output amperage at the start of a weld should the start require it. This eliminates electrode sticking at arc start. NOTE Mode Output Control Lift-Arc T rigger Hold TIG (GT AW) Select: or Amp Requires: Control TI[...]

OM-180 670 Page 22 4-4. Lift-Arc T rigger Hold TIG 1 TIG Electrode 2 W orkpiece . Procedure requires: Start sequence: • T ouch tungsten electrode to workpiece at weld start point. • Momentarily depress output switch. • Slowly lift electrode. An arc will form when electrode is lifted. • T o stop welding, momentarily depress output switch and[...]

OM-180 670 Page 23 SECTION 5 – MAINTENANCE & TROUBLESHOOTING 5-1. Routine Maintenance Y Disconnect power before maintaining. . Maintain more often during severe conditions. 3 Months Replace Damaged Or Unreadable Labels Replace Cracked T orch Body Repair Or Replace Cracked Cables Repair Or Replace Cracked Cables And Cords Clean And Tighten W e[...]

OM-180 670 Page 24 5-3. V oltmeter/Ammeter Help Displays . Al l directions are in reference to the front of the unit. All circuitry referred to is lo- cated inside the unit. 1 Help 0 Display Indicates a shorted thermistor R T2 on the left side o f t h e unit. If this display is shown, con- tact a Factory Authorized Service Agent. 2 Help 1 Display I[...]

OM-180 670 Page 25 5-4. T roubleshooting T rouble Remedy No weld output; unit completely inop- Place line disconnect switch in On position (see Section 3-9). erative. Check and replace line fuse(s), if necessary , or reset circuit breaker (see Section 3-9). Check for proper input power connections (see Section 3-9). No weld output; meter display On[...]

OM-180 670 Page 26 Notes[...]

OM-180 670 Page 27 SECTION 6 – ELECTRICAL DIAGRAM 197 552 Figure 6-1. Circuit Diagram For Welding Power Source[...]

OM-180 670 Page 28 SECTION 7 – P ARTS LIST 801 605-F Figure 7-1. Parts Assembly[...]

OM-180 670 Page 29 Description Part No. Dia. Mkgs. Item No. Figure 7-1. Parts Assembly Quantity 1 +175 148 WRAPPER 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175 256 INSULA TOR, side 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

OM-180 670 Page 30 Description Part No. Dia. Mkgs. Item No. Figure 7-1. Parts Assembly (Continued) Quantity 44 Z1 173 570 ST ABILIZER 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 L1 173 563 INDUCTOR, input 1 . . . . . . . . . . . . . . . . . . . . . . . . [...]

Warranty Questions? Call 1-877-HOBART1 for your local Hobart distributor. hobart standard 10/01 Service Y o u always get the fast, reliable response you need. Most replacement parts can be in your hands in 24 hours. Support Need fast answers to the tough welding questions? Contact your distributor or call 1-800-332-3281. The expertise of the distri[...]

PRINTED IN USA  2002 Hobart Welding Products. 1/02 Hoba rt W elding Product s An I l li noi s T ool Works Com pany 600 W es t Main St reet Troy , OH 45373 USA For T ech nical Assistance: Call1-800-332-3281 For Literat ure Or Nearest Deal er: Call 1-877-Hobart1 Model Name Serial/Style Number Purchase Date (Date which equipment was delivered to or[...]