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IDEALARC SP-250 Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC OPERATION TABLE OF CONTENTS - OPERATION SECTION OPERATION SECTION ............................................ Section B Safety Instructions............................................................B-1 General Description..........................................................B-1 Recommended Processes and Equipment......................B-2 Operational Features and Controls..................................B-2 Design Features and Advantages...........................B-3 - B-4 Machine Capability...........................................................B-4 Limitations ...............................................................B-4 - B-9 Controls and Settings..............................................B-5 - B-9 Power Switch...............................................................B-5 Set Up Arrow Keys ......................................................B-5 Process Wire/Gas Key ................................................B-5 Auto Key......................................................................B-7 Manual Key .................................................................B-7 Save Key .....................................................................B-7 Memory Keys ..............................................................B-8 Spot Key......................................................................B-8 Stitch Key ....................................................................B-8 Timers Off Key.............................................................B-8 Gun Switch Control IPM Volts Key..............................B-8 Toggle Key...................................................................B-9 Operating Steps ..................................................B-10 - B-14 IDEALARC SP-250 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC B-1 B-1 OPERATION Read and understand this entire section before operating your Idealarc SP-250. SAFETY INSTRUCTIONS WARNING ELECTRIC SHOCK can kill. • Do not touch electrically live parts such as output terminals or internal wiring. • Insulate yourself from the work and ground. • Always wear dry insulating gloves. Only qualified personnel should operate this equipment. ADDITIONAL SAFETY PRECAUTIONS Always operate the welder with the hinged door closed and the side panels in place as these provide maximum protection from moving parts and insure proper cooling air flow. GENERAL DESCRIPTION Product Description The IDEALARC SP-250 is a complete semiautomatic constant voltage DC arc welding machine built to meet NEMA specifications. This unit combines a constant voltage power source, a constant speed wire feeder, and a microcomputer-based controller to form an intelligent welding system. A front panel touch key entry system with audible feedback, along with a two-line, 32 character alphanumeric display, provide user friendly control of the system. The system provides full range control from the keypad or from the thumb switch built into the SP-250 welding gun, which permits "on the fly" control while welding Multi language display capability allows the SP-250 to communicate with the user in any of the following five languages: English, German, French, Spanish, or Japanese (Katakana). Proper welding setup is simple. You only need to select the gauge size of the material to be welded and enter the welding process to used. With that data, the system • automatically computes the proper wire feed speed and arc voltage relationship for the process. • selects the right procedure for optimum starting, welding, and burnback. The system allows you to store up to five separate welding setup procedures. You can recall them at any time at the touch of a single key. All active setup selections, as well as those stored in the memory locations, are automatically saved when power is turned off or disconnected. Whatever procedure was being used when power was removed, will be recalled when power is returned. The SP-250 does not require batteries to maintain memory data. IDEALARC SP-250 Return to Section TOC Return to Section TOC Return to Section TOC Return to Section TOCReturn to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC B-2 B-2 OPERATION The system includes the following features: • 2-step or 4-step selectable trigger function (above code 9500 only). • both timed spot and stitch welding selections. • drop-in 2" (51mm) O.D. wire reel spindle with a 2230 lb. (10 - 13.6 kg) Readi-Reel- adapter. • integral gas cylinder mounting undercarriage. • 12.5 ft. (3.8m) Magnum 250SP GMAW gun and cable. • dual groove drive roll and a gun liner for .035 (0.9mm) and .045 (1.2mm) electrodes. • one contact tip for each wire size. • adjustable CO2 or argon blend flow regulator with cylinder pressure gauge. • 10 ft. (3.0m)...