Miller Dialarc 250P AC/DC Mode D'emploi
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Voir aussi pour Dialarc 250P AC/DC:
- Manuel d'utilisation (28 pages) ,
- Manuel du propriétaire (28 pages) ,
- Manuel du propriétaire (32 pages)
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- Page 1 OM-321 202 730P 2009−11 Processes Stick (SMAW) Welding Description Arc Welding Power Source Dialarc 250/250P AC/DC File: Stick (SMAW) Visit our website at www.MillerWelds.com...
- Page 2 We know you don’t have time to do it any other way. That’s why when Niels Miller first started building arc welders in 1929, he made sure his products offered long-lasting value and superior quality.
- Page 3 TABLE OF CONTENTS SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING ........1-1.
- Page 4 Notes...
- Page 5 SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING som _2009−08 Protect yourself and others from injury — read and follow these precautions. 1-1. Symbol Usage DANGER! − Indicates a hazardous situation which, if Indicates special instructions. not avoided, will result in death or serious injury. The possible hazards are shown in the adjoining symbols or explained in the text.
- Page 6 D Remove stick electrode from holder or cut off welding wire at FUMES AND GASES can be hazardous. contact tip when not in use. D Wear oil-free protective garments such as leather gloves, heavy Welding produces fumes and gases. Breathing shirt, cuffless trousers, high shoes, and a cap.
- Page 7 1-3. Additional Symbols For Installation, Operation, And Maintenance FIRE OR EXPLOSION hazard. MOVING PARTS can injure. D Do not install or place unit on, over, or near D Keep away from moving parts such as fans. combustible surfaces. D Keep all doors, panels, covers, and guards D Do not install unit near flammables.
- Page 8 1-4. California Proposition 65 Warnings For Gasoline Engines: Welding or cutting equipment produces fumes or gases which contain chemicals known to the State of California to Engine exhaust contains chemicals known to the State of cause birth defects and, in some cases, cancer. (California California to cause cancer, birth defects, or other reproduc- Health &...
- Page 9 SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION fre_som_2009−08 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 Indique des instructions spécifiques.
- Page 10 Il reste une TENSION DC NON NÉGLIGEABLE dans D Porter des vêtements confectionnés avec des matières résistan- tes et ignifuges (cuir, coton lourd ou laine) et des bottes de les sources de soudage onduleur UNE FOIS protection. l’alimentation coupée. LE SOUDAGE peut provoquer un D Arrêter les convertisseurs, débrancher le courant électrique et incendie ou une explosion.
- Page 11 ACCUMULATIONS LES BOUTEILLES peuvent exploser risquent de provoquer des blessures si elles sont endommagées. ou même la mort. Des bouteilles de gaz protecteur contiennent du gaz sous haute pression. Si une bouteille est endom- D Fermer l’alimentation du gaz protecteur en cas magée, elle peut exploser.
- Page 12 Les PIÈCES MOBILES peuvent RAYONNEMENT HAUTE causer des blessures. FRÉQUENCE (H.F.) risque provoquer des interférences. D Ne pas s’approcher des organes mobiles. D Ne pas s’approcher des points de coincement D Le rayonnement haute fréquence (H.F.) peut tels que des rouleaux de commande. provoquer des interférences avec les équi- pements de radio−navigation et de com- munication, les services de sécurité...
- Page 13 2-5. Principales normes de sécurité Safety in Welding, Cutting, and Allied Processes, ANSI Standard Z49.1, 25 West 43rd Street, New York, NY 10036 (téléphone : 212-642-4900, de Global Engineering Documents (téléphone : 1-877-413-5184, site site Internet : www.ansi.org). Internet : www.global.ihs.com). Standard for Fire Prevention During Welding, Cutting, and Other Hot Safe Practices for the Preparation of Containers and Piping for Welding Work, NFPA Standard 51B, de National Fire Protection Association,...
- Page 14 OM-321 Page 10...
- Page 15 SECTION 3 − INSTALLATION 3-1. Serial Number And Rating Label Location The serial number and rating information for this product is located on the front . Use rating label to determine input power requirements and/or rated output. For future reference, write serial number in space provided on back cover of this manual. 3-2.
- Page 16 3-3. Duty Cycle And Overheating Duty Cycle is percentage of 10 min- utes that unit can weld at rated load without overheating. NOTICE − Exceeding duty cycle can damage unit and void warranty. 30% Duty Cycle At 225 Amperes AC 3 Minutes Welding 7 Minutes Resting 50% Duty Cycle At 175 Amperes DC...
- Page 17 3-5. Dimensions And Weights Dimensions Height 24-1/4 in. (616 mm) Width 19 in. (483 mm) Length 28 in. (711 mm) 3/4 in. (19 mm) 26-1/2 in. (673 mm) Front 27-1/4 in. (692 mm) 28 in. (711 mm) 7/8 in. (22 mm) 17-7/8 in.
- Page 18 **Weld cable size (AWG) is based on either a 4 volts or less drop or a current density of at least 300 circular mils per ampere. ( ) = mm for metric use ***For distances longer than those shown in this guide, call a factory applications rep. at 920-735-4505 (Miller) or 1-800-332-3281 (Hobart) Ref. S-0007-G 2009−08 OM-321 Page 14...
- Page 19 3-8. Connecting Weld Output Cables Do not place anything between weld cable terminal and copper bar. Tools Needed: 3/4 in. (19 mm) 803 778-B Correct Installation Incorrect Installation Weld Output Terminal output terminal and secure with nut so that Turn off power before connecting to weld cable terminal is tight against copper Supplied Weld Output Terminal Nut weld output terminals.
- Page 20 3-10. Electrical Service Guide Failure to follow these electrical service guide recommendations could create an electric shock or fire hazard. These recommenda- tions are for a dedicated branch circuit sized for the rated output and duty cycle of the welding power source. With Power Factor Correction Without Power Factor Correction 60 Hertz Models...
- Page 21 3-11. Placing Jumper Links Disconnect and lockout/tag- out input power before installing or moving jumper links. Check input voltage available at site. Remove side panel. Jumper Link Label Check label − only one is on unit. Jumper Links Move jumper links to match input voltage and label on unit.
- Page 22 3-12. Connecting Input Power =GND/PE Earth Ground input_3 3/96 - 802 940 Tools Needed: 3/8, 7/16, 1/2 in. capacity and correct hole size. Disconnect Device Input Power Connec- Installation must meet all National and tions Local Codes − have only qualified per- Welding Power Source Input Power Con- sons make this installation.
- Page 23 SECTION 4 − OPERATION 4-1. Controls 202 313-D Range Selector Switch Amperage Adjustment Control Circuit Breaker CB1 Use control to adjust amperage within range Use switch to select ac or dc weld amperage If CB1 opens, weld output drops to the mini- selected by Range Selector switch.
- Page 24 SECTION 5 − MAINTENANCE & TROUBLESHOOTING 5-1. Routine Maintenance Disconnect power Maintain more often before maintaining. during severe conditions. 3 Months Repair Or Replace Replace Unreadable Cracked Labels Weld Cable 3 Months 6 Months Clean Blow Out During Heavy Service, Tighten Vacuum Clean Monthly...
- Page 25 Trouble Remedy Low weld output; Amperage Adjustment control does Reset control circuit overload breaker CB1 (see Section 4-1). not control weld output. For GTAW, output current does not match the Amper- The amperage adjustment scale applies to the SMAW process only. The scale does not age Adjustment control setting.
- Page 26 SECTION 6 − ELECTRICAL DIAGRAMS 202 718-A Figure 6-1. Circuit Diagram For 60 Hertz Models OM-321 Page 22...
- Page 27 Notes Work like a Pro! Pros weld and cut safely. Read the safety rules at the beginning of this manual. OM-321 Page 23...
- Page 28 SECTION 7 − PARTS LIST Hardware is common and not available unless listed. Fig 7-4 Fig 7-2 802 879 Figure 7-1. Main Assembly OM-321 Page 24...
- Page 29 Item Diagram Part marking Description Quantity Figure 7-1. Main Assembly ... . 202 390 COVER, top ............
- Page 30 Hardware is common and 3 Fig. 7−3 not available unless listed. 802 880-A Figure 7-2. Panel, Front w/Components Item Diagram Part Description Quantity marking 7-2. Panel, Front w/Components (Fig 7-1 Item 16) ......NAMEPLATE, (order by model and serial number) .
- Page 31 Item Part Description Quantity 088 087 7-3. Switch, Range 2 Position (Fig 7-2 Item 3) ....072 026 BRACKET, mtg switch ..........
- Page 32 Notes...
- Page 33 Notes...
- Page 34 Notes...
- Page 35 Effective January 1, 2009 (Equipment with a serial number preface of LK or newer) This limited warranty supersedes all previous Miller warranties and is exclusive with no other Warranty Questions? guarantees or warranties expressed or implied. LIMITED WARRANTY − Subject to the terms and conditions...
- Page 36 Contact the Delivering Carrier to: File a claim for loss or damage during shipment. For assistance in filing or settling claims, contact your distributor and/or equipment manufacturer’s Transportation Department. © ORIGINAL INSTRUCTIONS − PRINTED IN USA 2009 Miller Electric Mfg. Co. 2009−01...