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F-12

 

 

F-12

 

TROUBLESHOOTING & REPAIR

 

 

TROUBLESHOOTING GUIDE

 

 

Observe Safety Guidelines

 

 

detailed in the beginning of this manual.

 

 

 

 

 

PROBLEMS

POSSIBLE AREAS OF

RECOMMENDED

 

(SYMPTOMS)

MISADJUSTMENT(S)

COURSE OF ACTION

 

 

 

 

 

 

 

 

WELDING PROBLEMS

 

 

 

 

The welding arc is loud and spat-

1. The current setting may be too

1.

Check the engine speed. High

 

ters excessively.

high for the electrode and

 

idle speed should be 1800

 

 

process.

 

RPM.

 

 

2. The polarity may be wrong for

2.

Check the DC generator brush-

 

 

the electrode and process.

 

es for good commutation and

 

 

 

 

alignment. Contact the Lincoln

 

 

 

 

Electric Service Dept. at 1-216-

 

 

 

 

383-2531 or 1-800-833-9353

 

 

 

 

(WELD).

The welding arc frequently “pops 1.

The Fine Current Control 1.

Check the engine speed. High

out.”

Rheostat may be set too low for

idle speed should be 1800

 

the process and electrode.

RPM.

 

 

2.

Check the welding cables for 2.

The Current Range selector

 

loose or faulty connections.

switch may be faulty. Check for

 

 

proper operation.

 

 

3.

Check

the

DC generator

 

 

brushes for good commutation

 

 

and alignment.

Contact the

 

 

Lincoln Electric Service Dept. at

 

 

1-216-383-2531 or 1-800-833-

 

 

9353 (WELD).

 

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the test/repairs safely, con- tact the Lincoln Electric Service Department for electrical troubleshooting assistance before you proceed. Call 216- 383-2531 or 1-800-833-9353.

CLASSIC II

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Lincoln Electric SVM125-A service manual Welding Problems

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.