Manuale d’uso / di manutenzione del prodotto 175 del fabbricante Miller Electric
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Processes Description TIG (GT A W ) W elding Arc Welding Power Source OM-206 141 754F October 1999 Stick (SMA W) W elding 152 Model 175 Model Maxstar 152 And 175 R Visit our website at www.
Miller Electric manufactures a full line of welders and welding related equipment. For information on other quality Miller products, contact your local Miller distributor to receive the latest full line catalog or individual catalog sheets. T o locate your nearest distributor or service agency call 1-800-4-A-Miller , or visit us at www .
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 . . . .
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OM-206 Page 1 SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING som _nd_5/97 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.
OM-206 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.
OM-206 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-206 Page 4 1-5. EMF Information Considerations About Welding And The Ef fects Of Low Frequency Electric A n d M a g n e t i c F i e l d s 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.
OM-206 Page 5 SECTION 1 – CONSIGNES DE SECURITE – LIRE A V ANT UTILISA TION som _nd_fre 5/97 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.
OM-206 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.
OM-206 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.
OM-206 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.
OM-206 Page 9 SECTION 2 – SPECIFICA TIONS Unless otherwise noted, the 175 model is shown throughout this manual. NOTE 2-1. Specifications Model Rated Welding Output Amperage Range Maximum Open-Circu.
OM-206 Page 10 2-3. Duty Cycle And Overheating rduty1 5/95 – SB-121 591-B / SB-144 507-B / ST-157 356-B Duty Cycle is percentage of 10 mi n- utes that unit can weld at rated load without overheating. Y Exceeding duty cycle can damage unit and void warranty .
OM-206 Page 1 1 SECTION 3 – INST ALLA TION 1 10 in (254 mm) Open Space On Right Side And Rear Of Unit For Good Airflow 2 Lifting Handle Use handle to move unit. 3 Rating Label Locate unit near correct input power supply . Right Rear 1 3-1. Selecting A Location Ref.
OM-206 Page 12 1 Positive (+) Weld Output Receptacle 2 Negative ( – ) W eld Output Receptacle 3 Connector For Electrode Positive (DCEP), connect work cable connector to negative ( – ) receptacle and elec- trode holder cable connector to positive (+) receptacle.
OM-206 Page 13 3-6. Remote 14 Socket Information A +15 volts dc. B Contact closure to A completes +15 volts dc contactor control circuit. C Output command reference; 0 to +10 volts dc depending on setting of Amperage Adjustment control R4. D Remote control circuit common.
OM-206 Page 14 Have only qualified persons make this installation. 1 Line Disconnect Device Of Proper Rating 2 Input Conductors 3 Grounding Conductor Select size and length using Sec- tion 3-10. Conductor rating must comply with national, state, and local electrical codes.
OM-206 Page 15 SECTION 4 – OPERA TION ST-152 127-A 1 Amperage Adjustment Control 2 Amperage Control Switch 3 Output (Contactor) Switch 4 Lift-Arc Switch 5 W eld Process Switch 6 Power Switch 7 Pilot Light 1 2 34 5 6 7 4-1. Controls 1 Output (Contactor) Switch Us e sw itch to select way of control- ling output.
OM-206 Page 16 ST-159 059 / S-0769 1 Amperage Adjustment Control Use control to select weld amper- age. Amperage may be adjusted while welding. 2 Amperage Control Switch Use switch to select way of control- ling amperage adjustment. Fo r front panel control, place switch in Panel position.
OM-206 Page 17 Lift-Arc switch must be in Off position when using a High-Frequency unit with this welding power source, or when using the SMAW welding process.
OM-206 Page 18 SECTION 5 – MAINTENANCE & TROUBLESHOOTING T urn Off all power before maintaining. 3 Months OR Blow O u t Or V acuum Inside Replace Unreadable Labels 6 Months T ape Or Replace Crac.
OM-206 Page 19 ST-153 136-B Turn Of f welding power source and disconnect input power . Remove wrapper . 1 Input Capacitor C1 (Both Models) 2 Input Capacitor C2 (175 Models Only) 3 V oltmeter Check input capacitor(s). Measure the dc voltage across th e positive (+) and negative ( – ) terminals until voltage drops to near 0 (zero) volts.
OM-206 Page 20 5-3. T roubleshooting T rouble Remedy No weld output; unit completely inop- erative. Be sure Power switch is On (see Section 4-6). Secure power cord plug in receptacle (152 model) (see Section 3-7). Be sure line disconnect switch is On (see Section 3-9).
OM-206 Page 21 Notes.
OM-206 Page 22 SECTION 6 – ELECTRICAL DIAGRAMS SC-166 403 Figure 6-1. Circuit Diagram For 152 Model.
OM-206 Page 23 SC-170 697 Figure 6-2. Circuit Diagram For 175 Model.
OM-206 Page 24 SECTION 7 – SELECTING AND PREP ARING TUNGSTEN ELECTRODE gtaw 7/97 For additional information, see your distributor for a handbook on the Gas T ungsten Ar c Welding (GT AW) pr ocess.Wear clean gloves to prevent contamination of tungsten electrode.
OM-206 Page 25 7-2. Preparing T ungsten For AC Or DC Electrode Positive (DCEP) Welding Ref. S-0161 1 T ungsten Electrode 2 Balled End Y Understand and follow safety symbols at start of Section 8-1 before preparing tungsten.
OM-206 Page 26 SECTION 8 – GUIDELINES FOR TIG WELDING (GT A W) 8-1. Positioining The T orch ST-161 892 Y W eld current can damage electronic parts in vehicles. Disconnect both battery cables before welding on a vehicle. Pl a c e w o r k c l amp as close t o the weld as possible.
OM-206 Page 27 8-3. Positioning T orch T ungsten For V arious W eld Joints ST-162 003 / S-0792 70 ° 70 ° 90 ° 20 ° 20 ° 10 ° 20 ° 70 ° 40 ° 30 ° 20 ° 70 ° 90 ° 20 ° Butt Weld And Stringe.
OM-206 Page 28 SECTION 9 – P ARTS LIST Figure 9-1. Main Assembly (175 Model Illustrated) ST-145 668-J . Hardware is common and not available unless listed.
OM-206 Page 29 152 175 Quantity Description Part No. Dia. Mkgs. Item No. Figure 9-1. Main Assembly Model 1 195 585 HANDLE, rubberized carrying 1 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 134 327 LABEL, warning general precautionary 1 1 .
OM-206 Page 30 152 175 Quantity Description Part No. Dia. Mkgs. Item No. Figure 9-1. Main Assembly (Continued) Model PLG1 1 1 15 094 CONNECTOR & SOCKETS, (consisting of) 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 13 746 CONNECTOR, rect skt 24-18ga Molex 39-00-0038 4 .
OM-206 Page 31 152 175 Quantity Description Part No. Dia. Mkgs. Item No. Figure 9-2. Module, Power & Diode (Fig 9-1 Item 26 & 27) Model 1 C1 1 093 085 CAP ACITOR, polye MF .0047uf 1000V 1 1 . . . . . . . . . . . . . . . . . . . . . . . . . . .
OM-206 Page 32 152 175 Quantity Description Part No. Dia. Mkgs. Item No. Figure 9-2. Module, Power & Diode (Fig 9-1 Item 26 & 27) (Continued) Model 16 R10 030 839 RESIST OR, WW fxd 5W 220 ohm 1 1 . . . . . . . . . . . . . . . . . . . . . . . .
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Warranty Questions? Call 1-800-4-A-MILLER for your local Miller distributor. miller_warr 7/00 Y ou r distributor also gives you ... Service Y ou 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 .
PRINTED IN USA 2000 Miller Electric Mfg. Co. 6/00 Miller Elect ric Mfg. Co. An I l li noi s T ool Works Com pany 1635 W est S pencer St reet Applet on, WI 54914 USA International He adquarters –.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Miller Electric 175 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Miller Electric 175 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Miller Electric 175 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Miller Electric 175 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Miller Electric 175, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Miller Electric 175.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Miller Electric 175. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Miller Electric 175 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
