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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. 1-216-

 

 

 

383-2531 or 1-800-833-9353

 

 

 

(WELD).

 

 

3.

Check for shorted series coils.

 

 

 

 

The welding arc frequently “pops

1. The Fine Current Control rheo-

1.

Check the engine speed. High

out.”

stat may be set too low for the

 

idle speed should be 1800

 

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 brush-

 

 

 

es for good commutation and

 

 

 

alignment. Contact the Lincoln

 

 

 

Electric Service Dept. 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.

SA-250

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Lincoln Electric SVM128-A service manual Welding Problems

SVM128-A specifications

The Lincoln Electric SVM128-A is a cutting-edge welding machine designed to meet the demands of both professional welders and DIY enthusiasts. This versatile welding power source brings together advanced technology and robust design, making it a reliable choice for various welding applications.

One of the standout features of the SVM128-A is its capability to perform multiple welding processes. It supports MIG, TIG, and stick welding, allowing users to tackle a wide range of projects with ease. This multi-functionality makes it ideal for professionals working in different industries, as well as for hobbyists who enjoy diverse welding tasks.

The SVM128-A is equipped with inverter technology, which enhances its performance by providing a more stable arc and improved energy efficiency. This technological advancement contributes to lower operational costs and allows for a more consistent weld quality across different materials and thicknesses. Additionally, the inverter technology enables the machine to be lightweight and portable, making it convenient for jobs that require mobility.

Another prominent characteristic of the SVM128-A is its user-friendly interface. The machine features intuitive controls and a digital display that allows operators to easily set the desired welding parameters. This simplified setup helps reduce the learning curve for new users while also offering precise control for experienced professionals.

The Lincoln Electric SVM128-A is designed with durability in mind. Its robust construction ensures that it can withstand the rigors of frequent use in demanding environments. The machine is also equipped with various safety features, including thermal overload protection and a duty cycle rating that prevents overheating, ultimately extending its lifespan.

For optimal performance, the SVM128-A provides adjustable output options, allowing users to customize the welding parameters based on their specific needs. This flexibility makes it suitable for welding various metals, including steel, aluminum, and stainless steel.

In summary, the Lincoln Electric SVM128-A combines versatility, advanced technology, and a user-friendly design. With its capability to perform multiple welding processes, lightweight construction, and durable features, it stands out as an excellent option for anyone looking to achieve high-quality welds. Whether for professional or personal use, the SVM128-A is poised to deliver reliable performance and exceptional results.