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B-10

B-10

OPERATION

WELDING OPERATION

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GENERAL INFORMATION

The Classic II can deliver from 40 to 325 amps of con- stant current for DC stick welding or DC semiautomat- ic wire feed welding (with wire feed module). DC TIG welding is possible across the entire range from 40 to 325 amps. Output can be adjusted by setting the CUR- RENT RANGE SELECTOR and the FINE CURRENT ADJUSTMENT on the output control panel to the set- tings that are best for your selected welding process.

IDLER OPERATION

Start the engine with the IDLER switch in the "HIGH" position. Allow it to run at high idle speed for several minutes to warm the engine. See Technical Specifications in the Installation section for operating speeds.

The idler is controlled by the IDLER toggle switch on the welder control panel. The switch has two positions as follows:

1 . In the "HIGH" position, the idler is off, and the engine high speed is controlled by the governor.

2.In the "AUTO" position, the idler operates as fol- lows:

a.When welding or drawing power for lights or tools (approximately 100-150 watts minimum) from the receptacles, the engine operates at full speed.

b.When welding ceases or the power load is turned off, a preset time delay of about 15 sec- onds starts. This time delay cannot be adjust- ed.

c.If the welding or power load is not re-started before the end of the time delay, the idler reduces the engine to low idle speed.

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CLASSIC II

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Lincoln Electric SVM125-A service manual Welding Operation, General Information, Idler Operation

SVM125-A specifications

The Lincoln Electric SVM125-A is a versatile and highly efficient welding machine that has gained significant recognition in the welding industry. Designed for both professionals and enthusiasts, this machine combines advanced technology with user-friendly features to deliver outstanding performance in a range of welding applications.

One of the standout features of the SVM125-A is its Inverter Technology. This cutting-edge technology allows for lightweight and compact design, making the machine highly portable. The inverter technology also provides a steady arc, which is crucial for achieving clean, high-quality welds. With a duty cycle of 125 amps at a 60% duty cycle, this welding machine can handle a variety of materials and thicknesses, from thin sheet metal to heavier structural components.

The SVM125-A supports multiple welding processes, including MIG, stick, and TIG welding. This versatility makes it an ideal choice for diverse welding tasks, whether you're working in a fabrication shop, doing repair work, or engaged in hobbyist projects. The machine features easy switch functionality, allowing users to quickly shift between welding processes without complicated setup.

Another notable characteristic is the machine's user-friendly interface. The intuitive control panel includes clear indicators and knobs that allow for easy adjustments of voltage and wire feed speed. This design is especially helpful for novice welders, providing them with the confidence to make adjustments as needed and ensuring optimal weld quality.

Safety is also a priority with the SVM125-A. The machine is equipped with thermal overload protection, which automatically shuts it down in case of overheating, preventing damage to the unit and ensuring operator safety. Additionally, the machine features a robust construction that emphasizes durability, making it suitable for demanding work environments.

Portability is enhanced through its lightweight design, and the built-in carrying handle makes it easy to transport from one job site to another. The SVM125-A is also compatible with a variety of welding accessories, further increasing its adaptability and functionality.

In conclusion, the Lincoln Electric SVM125-A stands out as a well-rounded welding machine that integrates advanced technology with user-friendly features. Its versatility in welding processes, robust design, and emphasis on safety and usability make it a valuable tool for welders at all skill levels. Whether for professional use or personal projects, the SVM125-A is a reliable choice that delivers exceptional performance and quality.