Lincoln Electric SVM186-A service manual Electric Shock can

Models: SVM186-A

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F-12

TROUBLESHOOTING AND REPAIR

F-12

 

 

Observe Safety Guidelines detailed in the beginning of this manual.

PROBLEMS

 

POSSIBLE AREAS OF

RECOMMENDED

(SYMPTOMS)

 

MISADJUSTMENT(S)

COURSE OF ACTION

 

 

 

 

 

 

OUTPUT PROBLEMS

 

No high frequency. Machine is in

1.

If the machine location is in a

1. Check the high voltage trans-

the TIG mode and has normal out-

 

highly dirty environment with

former (T3). The normal resis-

put.

 

conductive contaminant's, check

tance of the secondary winding

 

 

and clean the spark gap with a

of the high voltage transformer

 

 

low pressure air stream per the

is 12.5k ohms.

 

 

maintenance instructions.

 

 

2. Check spark gap operation and

WARNING

 

 

 

 

setting. Normal is (0.020").

ELECTRIC SHOCK CAN

 

 

Refer to Maintenance section

 

 

of this manual.

KILL. When 115VAC is

 

 

 

applied to the primary of T3. A

 

 

 

very high voltage is developed on

 

 

 

the secondary winding. For

 

 

 

assistance call the Lincoln Electric

 

 

 

Service Department 1-888-935-

 

 

 

3877.

 

 

 

----------------------------------------------

 

 

 

2. Check the values of R3, and

 

 

 

C4.

 

 

 

3. Perform the T1 Transformer

 

 

 

Test.

 

 

 

4. The control board may be

 

 

 

faulty. Replace.

 

 

 

 

No gas flow when Amptrol is acti-

1.

The gas supply is either empty

1. Possible gas supply problems.

vated in the TIG mode. Machine

 

or not turned on.

Consult your local welder/gas dis-

has normal output - fan runs.

 

 

A "click" can be heard indicating

2.

The flow regulator may be set

tributor.

that the gas solenoid valve is oper-

 

too low.

 

ating.

3. Check the gas hose for kinks or

 

 

 

 

 

blockages.

 

 

4. Check the filter screen inside

 

 

 

gas inlet fitting to solenoid valve.

 

 

 

 

 

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact the Lincoln Electric Service Department for technical troubleshooting assistance before you proceed. Call 1-888-935-3877.

PRECISION TIG® 225

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Lincoln Electric SVM186-A service manual Electric Shock can

SVM186-A specifications

The Lincoln Electric SVM186-A is a versatile and highly efficient welding machine that stands out in the competitive landscape of industrial welding equipment. Designed to meet the needs of both professionals and hobbyists, this machine combines advanced technology with robust construction, delivering outstanding performance in various welding applications.

One of the standout features of the SVM186-A is its multi-process capability. This welding machine can handle MIG, TIG, and Stick welding processes, making it suitable for a diverse range of projects, from light fabrication to heavy-duty work. This flexibility reduces the need for multiple machines, saving time and space for users who require versatility in their welding operations.

The SVM186-A is powered by a reliable and durable inverter technology, which ensures a stable arc and efficient operation across different materials, including stainless steel, aluminum, and mild steel. This inverter technology not only enhances performance but also reduces energy consumption, making it an environmentally friendly choice.

Another notable characteristic of the SVM186-A is its user-friendly interface. The digital display provides real-time information on voltage and wire feed speed, allowing welders to easily adjust settings for optimal results. This intuitive control panel design makes it accessible for both novice welders and seasoned professionals who value precision.

The machine is also built with safety features in mind. It comes equipped with overcurrent protection and thermal overload protection to prevent damage during operation. This ensures that users can work confidently, knowing that the equipment is designed to handle demanding tasks while prioritizing safety.

Portability is another advantage of the SVM186-A. Weighing in at a relatively light weight compared to other industrial welders, this machine is designed for ease of transport. Whether working on-site or in a workshop, welders can easily move the equipment as needed.

In summary, the Lincoln Electric SVM186-A is a sophisticated welding machine that merges technology and practicality. Its multi-process capability, inverter technology, user-friendly interface, safety features, and portability make it a top choice for those seeking dependable and efficient welding solutions. Whether for professional fabrication or personal projects, the SVM186-A is equipped to handle the demands of modern welding tasks with exceptional ease and effectiveness.