Summary of Contents for Miller Electric Bluthunder 340
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OM-193 696A September 2001 Effective with serial number : 153 421 Processes Stick (SMAW) Welding Description Arc Welding Power Source Bluthunder 340/440 Visit our website at www.MillerWelds.com...
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Warranty and service information for your particular model are also provided. 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.
SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING 1-1. Symbol Usage Means Warning! Watch 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. 1-2.
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D Do not use welder to thaw frozen pipes. D Remove stick electrode from holder or cut off welding wire at contact tip when not in use.
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.
1-5. EMF Information Considerations About Welding And The Effects Of Low Frequency Electric And Magnetic Fields Welding 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 years of research, a special blue ribbon committee of the National Research Council concluded that: “The body of evidence, in the committee’...
SECTION 2 – INSTALLATION 2-1. Specifications Rated Output 100% Model 190 A 245 A 27.6 V 29.8 V 290 A 375 A 420 A 31.6 V 35 V 36.8 V * While idling 2-2. Duty Cycle and Overheating Rated Output 50 60 70 80 90100 % DUTY CYCLE 3.5 Minutes Welding...
2-3. Volt-Ampere Curves Bluthunder 340 Bluthunder 440 2-4. Positioning Jumper Links OM-193 696 Page 6 400 V 520 V The volt-ampere curves show the normal minimum and maximum voltage and amperage output capa- bilities of the unit. Check input voltage available at site.
2-5. Electrical Service Guide Input Voltage Input Amperes at Rated Output Max Recommended Standard Fuse or Circuit Breaker Rating in Amperes ** Input Conductor Size in mm ** Grounding Conductor Size in mm ** Power cord supplied with the unit is sized for 230V operation. Larger power cord may be required for cable lengths greater than 3 meters. C onsult national and local regulations.
SECTION 3 – OPERATION 3-1. Controls OM-193 696 Page 8 Amp. Range Output Amperage Control + Positive Weld Terminal – Negative Weld Terminal Power On Pilot Light Power Switch Amp.
SECTION 4 – MAINTENANCE AND TROUBLESHOOTING 4-1. Routine Maintenance Y Disconnect power before maintaining. 3 Months Replace unreadable labels. Clean and tighten weld terminals. 6 Months Blow out or vacuum inside. During heavy service clean monthly. 4-2. Troubleshooting Trouble No weld output; fan does not run. Be sure line disconnect switch is in On position.
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LIMITED WARRANTY – Subject to the terms and conditions below, Miller Electric Mfg. Co., Appleton, Wisconsin, warrants to its original retail purchaser that new Miller equipment sold after the effective date of this limited warranty is free of defects in material and workmanship at the time it is shipped by Miller.
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Please complete and retain with your personal records. Model Name (Date which equipment was delivered to original customer.) PRINTED IN USA Serial/Style Number 2001 Miller Electric Mfg. Co. 1/01 Miller Electric Mfg. Co. An Illinois Tool Works Company 1635 West Spencer Street Appleton, WI 54914 USA International Headquarters–USA...