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Northern Industrial ST 80 i Operating Manual

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Summary of Contents for Northern Industrial ST 80 i

  • Page 2 Northern Industrial Welding Operating Instructions and Parts Manual ST80i Please read and save these instructions. Read through this owner’s manual carefully before using product. Protect yourself and others by observing all safety information, warnings, and cautions. Failure to comply with instructions could result in personal injury and/or damage to product or property.
  • Page 3 Northern Industrial Welding ST80i Operating Instructions and Parts Manual Specifications and Dimension MODEL ST80i Power supply (v) 1ph-120V-60HZ No-load voltage (v) Output Range (A) 20-75A 90A Peak Duty cycle (%) 20% @75A Suggested electrode E6013,E7014,E7018, Stainless steel Electrode Diameter (Inch) 1/16”, 5/64”, 3/32”（1.6mm，2.0mm，2.4mm）...
  • Page 4 Northern Industrial Welding ST80i Operating Instructions and Parts Manual Welding Cable and Electrode Holder One end of cable is connected to output connectors of the machine. The electrode is clamped in the electrode holder for welding. Output “-” Connector This is the connector for grounding cable when STICK welding. When this...

  • Page 5: General Safety Information

    Northern Industrial Welding ST80i Operating Instructions and Parts Manual General Safety Information 1.1 Your Welding Environment -Follow the instructions in this manual. -Keep the environment you will be -Keep welder in the off position when welding in free from flammable not in use.
  • Page 6 Northern Industrial Welding ST80i Operating Instructions and Parts Manual connections are a hazard, so secure toxic. Refer to the material safety the ground lead before welding. data sheet for the manufacturer’s -Wear dry protective apparel: coat, instructions. shirt, gloves and insulated footwear.
  • Page 7 Northern Industrial Welding ST80i Operating Instructions and Parts Manual explosive materials. shield, welder’s hat and ear plugs to -Do not operate any electric arc keep sparks out of ears and hair. welder in areas where flammable or Electromagnetic Field explosive materials are present.

  • Page 8: Installation

    Northern Industrial Welding ST80i Operating Instructions and Parts Manual -Always have power disconnected with a wrist strap. Put PC board in when working on internal static proof bag to move or ship. components. -Do not put hands or fingers near - Do not touch or handle PC board moving parts such as fan.
  • Page 9 Northern Industrial Welding ST80i Operating Instructions and Parts Manual Used for out of position and tacking. 6. Selecting the proper electrode There is no golden rule that determine the exact rod or heat setting required for every situation. The type and thickness of metal and...

  • Page 10: Operation

    Northern Industrial Welding ST80i Operating Instructions and Parts Manual The bead will be flat and porous necessary to hold the electrode Rod may be freeze or stick to perpendicular to the work piece. work piece Once the arc is started the angle of...
  • Page 11 Northern Industrial Welding ST80i Operating Instructions and Parts Manual A good arc is accompanied by a crisp, Flat position is the easiest of the cracking sound. The sound is similar welding positions and is most to that made by eggs frying. To lay a commonly used.

  • Page 12: Maintenance

    Northern Industrial Welding ST80i Operating Instructions and Parts Manual and other exposed parts of the body with protective garments, or if possible, work with a shield between the body and the work piece. The intense heat produced at the arc A.

  • Page 13: Troubleshooting Chart

    Northern Industrial Welding ST80i Operating Instructions and Parts Manual Trouble shooting Chart Breakdown Analysis Solutions Poor ventilation leads to Improve ventilation over-heat protection Will automatically recover Internal temperature is Yellow when the temperature too high Indicator is lowers. Using over the rated...
  • Page 14 Northern Industrial Welding ST80i Operating Instructions and Parts Manual Electrode Holder’s Replace with a higher Electrode capacity is too small; Amperage Holder Holder and Replace it with another Cable Cable is of small size one in conformity with the getting requirement hot;“+”...

  • Page 15: Limited One-Year Warranty

    Northern Industrial Welding ST80i Operating Instructions and Parts Manual Warranty LIMITED ONE-YEAR WARRANTY Should this product fail to perform satisfactorily due to a defect or poor workmanship within ONE YEAR from the date of purchase, return it to the place of purchase and it will be replaced, free of charge. Incidental or consequential damages are excluded from this warranty.
  • Page 16 Northern Industrial Welding ST80i Operating Instructions and Parts Manual Dins connector 2.07.57.147 (copper)（ROHS） Thermal protection 1.2.07.02.3010 Indicating light Power Indicating light 1.2.07.02.3011 Output fixed board 1.1.03.04.0137 Bottom panel 1.1.01.04.0340 Temperature relay 1.2.07.02.3008 Driver module 1.1.05.03.0025 （ROHS） Intermediate- frequency transformer 2.07.25.819 （120V）...
  • Page 17 Northern Industrial Welding ST80i Operating Instructions and Parts Manual • ANSI Standard Z87.1 — SAFE PRACTICE FOR OCCUPATION AND EDUCATIONAL EYE AND FACE PROTECTION Obtainable from: American National Standards Institute (ANSI) 11 West 42nd St. New York, NY 10036 Tel. (212) 642-4900 Fax (212) 398-0023 www.ansi.org...

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