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F-13

 

 

F-13

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

 

 

 

 

TIG WELDING PROBLEMS

 

The high frequency “spark” is pre-

1.

The torch may be faulty. Check

1. Check spark gap adjustment.

sent at the tungsten electrode, but

 

or replace.

See the Maintenance section.

the operator is unable to establish

2.

The current control may be set

2. This may be a welding proce-

a welding arc. The machine has

 

too low.

dure problem.

normal open circuit voltage. Refer

 

 

 

 

to Technical Specifications in the

3.

The tungsten electrode may be

Contact the Lincoln Service

Installation section.

 

contaminated. Replace or

Department (216) 383-2531 or

 

 

sharpen.

1-800-833-9353 (WELD).

 

4.

The electrode may be too large

 

 

 

for the process.

 

 

5.

If a helium blend is being used

 

 

 

as a shielding gas, reduce the

 

 

 

percentage of helium.

 

 

6.

Check the welding cables for

 

 

 

loose or faulty connections.

 

 

 

 

 

When AC TIG welding, the arc is

1.

The tungsten electrode may be

1. Check components R5 and C6

erratic and there is a loss of “clean-

 

small for the process. Use a

in the high voltage transformer

ing” of the work piece.

 

larger diameter tungsten or a

primary circuit.

 

 

pure tungsten.

2. Perform the SCR Bridge Test.

 

 

 

 

2.

If a helium blend is used as a

 

 

 

shielding gas, reduce the per-

 

 

 

centage of helium.

 

 

 

 

 

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.

SQUARE WAVE TIG 275

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Lincoln Electric SVM141-A service manual To Technical Specifications
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SVM141-A specifications

The Lincoln Electric SVM141-A is a cutting-edge solution designed for operators requiring precision, efficiency, and versatility in their welding applications. This machine is known for its compact form but robust feature set, making it an ideal choice for both professional welders and industrial applications.

One of the standout features of the SVM141-A is its advanced inverter technology. This innovation allows for a stable arc, providing consistent results even under varying conditions. The machine minimizes power consumption, making it energy-efficient without compromising performance. The inverter technology also supports a wider input voltage range, making the SVM141-A suitable for use in diverse environments and job sites.

Another key characteristic is its multi-process capability. The SVM141-A supports MIG, stick, and TIG welding processes, providing flexibility for various welding tasks. This versatility enables operators to tackle different materials, including mild steel, stainless steel, and aluminum, making it a valuable tool for numerous projects.

The user-friendly interface of the SVM141-A includes an intuitive digital display, which allows welders to adjust settings with ease. This feature is crucial for ensuring the right configurations for specific welding tasks, reducing the chances of errors and enhancing the overall finish of welds.

Safety is also a priority with the Lincoln Electric SVM141-A. It comes with built-in safety features such as overheat protection and automatic shutdown, ensuring operator safety and equipment longevity. The machine's lightweight design enhances portability, allowing it to be used in various workspaces with ease.

Durability is another hallmark of the SVM141-A. Constructed with high-quality materials, the machine is designed to withstand the rigors of demanding work environments. This ensures reliability over time, providing consistent performance even under heavy use.

In summary, the Lincoln Electric SVM141-A is a versatile, efficient, and user-friendly welding machine that appeals to a wide range of users. Its advanced inverter technology, multi-process capabilities, safety features, and durable construction make it a strong contender in the welding market, suitable for both professionals and hobbyists alike. Whether it’s for light fabrication, repairs, or industrial welding tasks, the SVM141-A meets diverse needs with precision and reliability.
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